diff options
| author | Greg Clayton <gclayton@apple.com> | 2011-05-11 18:39:18 +0000 |
|---|---|---|
| committer | Greg Clayton <gclayton@apple.com> | 2011-05-11 18:39:18 +0000 |
| commit | 31f1d2f53593a7e5449164962edfc0505a669128 (patch) | |
| tree | d79fb8e40b234c30398c18edd67b97c6aee5df27 | |
| parent | 31a0b5e2f005b75d0606e3283a2853392c796bb9 (diff) | |
| download | bcm5719-llvm-31f1d2f53593a7e5449164962edfc0505a669128.tar.gz bcm5719-llvm-31f1d2f53593a7e5449164962edfc0505a669128.zip | |
Moved all code from ArchDefaultUnwindPlan and ArchVolatileRegs into their
respective ABI plugins as they were plug-ins that supplied ABI specfic info.
Also hookep up the UnwindAssemblyInstEmulation so that it can generate the
unwind plans for ARM.
Changed the way ABI plug-ins are handed out when you get an instance from
the plug-in manager. They used to return pointers that would be mananged
individually by each client that requested them, but now they are handed out
as shared pointers since there is no state in the ABI objects, they can be
shared.
llvm-svn: 131193
41 files changed, 2456 insertions, 1435 deletions
diff --git a/lldb/include/lldb/Core/EmulateInstruction.h b/lldb/include/lldb/Core/EmulateInstruction.h index 3ea6bd9ec1b..ae2fbf0db93 100644 --- a/lldb/include/lldb/Core/EmulateInstruction.h +++ b/lldb/include/lldb/Core/EmulateInstruction.h @@ -113,6 +113,9 @@ public: // Add or subtract a value from the stack eContextAdjustStackPointer, + // Adjust the frame pointer for the current frame + eContextSetFramePointer, + // Add or subtract a value from a base address register (other than SP) eContextAdjustBaseRegister, @@ -234,6 +237,12 @@ public: } info; + Context () : + type (eContextInvalid), + info_type (eInfoTypeNoArgs) + { + } + void SetRegisterPlusOffset (RegisterInfo base_reg, int64_t signed_offset) @@ -347,7 +356,7 @@ public: } void - Dump (FILE *fh, + Dump (Stream &s, EmulateInstruction *instruction) const; }; diff --git a/lldb/include/lldb/Core/PluginManager.h b/lldb/include/lldb/Core/PluginManager.h index 6b66465f375..66e152d0e3c 100644 --- a/lldb/include/lldb/Core/PluginManager.h +++ b/lldb/include/lldb/Core/PluginManager.h @@ -270,40 +270,6 @@ public: static UnwindAssemblyCreateInstance GetUnwindAssemblyCreateCallbackForPluginName (const char *name); - //------------------------------------------------------------------ - // ArchDefaultUnwindPlan - //------------------------------------------------------------------ - static bool - RegisterPlugin (const char *name, - const char *description, - ArchDefaultUnwindPlanCreateInstance create_callback); - - static bool - UnregisterPlugin (ArchDefaultUnwindPlanCreateInstance create_callback); - - static ArchDefaultUnwindPlanCreateInstance - GetArchDefaultUnwindPlanCreateCallbackAtIndex (uint32_t idx); - - static ArchDefaultUnwindPlanCreateInstance - GetArchDefaultUnwindPlanCreateCallbackForPluginName (const char *name); - - //------------------------------------------------------------------ - // ArchVolatileRegs - //------------------------------------------------------------------ - static bool - RegisterPlugin (const char *name, - const char *description, - ArchVolatileRegsCreateInstance create_callback); - - static bool - UnregisterPlugin (ArchVolatileRegsCreateInstance create_callback); - - static ArchVolatileRegsCreateInstance - GetArchVolatileRegsCreateCallbackAtIndex (uint32_t idx); - - static ArchVolatileRegsCreateInstance - GetArchVolatileRegsCreateCallbackForPluginName (const char *name); - }; diff --git a/lldb/include/lldb/Symbol/UnwindPlan.h b/lldb/include/lldb/Symbol/UnwindPlan.h index 43ee40dc2f8..8bf7ea51438 100644 --- a/lldb/include/lldb/Symbol/UnwindPlan.h +++ b/lldb/include/lldb/Symbol/UnwindPlan.h @@ -50,8 +50,8 @@ public: unspecified, // not specified, we may be able to assume this // is the same register. gcc doesn't specify all // initial values so we really don't know... - isUndefined, // reg is not available, e.g. volatile reg - isSame, // reg is unchanged + undefined, // reg is not available, e.g. volatile reg + same, // reg is unchanged atCFAPlusOffset, // reg = deref(CFA + offset) isCFAPlusOffset, // reg = CFA + offset inOtherRegister, // reg = other reg @@ -68,39 +68,129 @@ public: bool operator == (const RegisterLocation& rhs) const; - void SetUnspecified(); + bool + operator != (const RegisterLocation &rhs) const + { + return !(*this == rhs); + } + + void + SetUnspecified() + { + m_type = unspecified; + } - void SetUndefined(); + void + SetUndefined() + { + m_type = undefined; + } - void SetSame(); + void + SetSame() + { + m_type = same; + } - bool IsSame () const { return m_type == isSame; } + bool + IsSame () const + { + return m_type == same; + } - bool IsUnspecified () const { return m_type == unspecified; } + bool + IsUnspecified () const + { + return m_type == unspecified; + } - bool IsCFAPlusOffset () const { return m_type == isCFAPlusOffset; } + bool + IsCFAPlusOffset () const + { + return m_type == isCFAPlusOffset; + } - bool IsAtCFAPlusOffset () const { return m_type == atCFAPlusOffset; } + bool + IsAtCFAPlusOffset () const + { + return m_type == atCFAPlusOffset; + } - bool IsInOtherRegister () const { return m_type == inOtherRegister; } + bool + IsInOtherRegister () const + { + return m_type == inOtherRegister; + } - bool IsAtDWARFExpression () const { return m_type == atDWARFExpression; } + bool + IsAtDWARFExpression () const + { + return m_type == atDWARFExpression; + } - bool IsDWARFExpression () const { return m_type == isDWARFExpression; } + bool + IsDWARFExpression () const + { + return m_type == isDWARFExpression; + } - void SetAtCFAPlusOffset (int32_t offset); + void + SetAtCFAPlusOffset (int32_t offset) + { + m_type = atCFAPlusOffset; + m_location.offset = offset; + } - void SetIsCFAPlusOffset (int32_t offset); + void + SetIsCFAPlusOffset (int32_t offset) + { + m_type = isCFAPlusOffset; + m_location.offset = offset; + } - void SetInRegister (uint32_t reg_num); + void + SetInRegister (uint32_t reg_num) + { + m_type = inOtherRegister; + m_location.reg_num = reg_num; + } - uint32_t GetRegisterNumber () const { return m_location.reg_num; } + uint32_t + GetRegisterNumber () const + { + if (m_type == inOtherRegister) + return m_location.reg_num; + return LLDB_INVALID_REGNUM; + } - RestoreType GetLocationType () const { return m_type; } + RestoreType + GetLocationType () const + { + return m_type; + } - int32_t GetOffset () const { return m_location.offset; } + int32_t + GetOffset () const + { + if (m_type == atCFAPlusOffset || m_type == isCFAPlusOffset) + return m_location.offset; + return 0; + } - void GetDWARFExpr (const uint8_t **opcodes, uint16_t& len) const { *opcodes = m_location.expr.opcodes; len = m_location.expr.length; } + void + GetDWARFExpr (const uint8_t **opcodes, uint16_t& len) const + { + if (m_type == atDWARFExpression || m_type == isDWARFExpression) + { + *opcodes = m_location.expr.opcodes; + len = m_location.expr.length; + } + else + { + *opcodes = NULL; + len = 0; + } + } void SetAtDWARFExpression (const uint8_t *opcodes, uint32_t len); @@ -109,13 +199,27 @@ public: SetIsDWARFExpression (const uint8_t *opcodes, uint32_t len); const uint8_t * - GetDWARFExpressionBytes () { return m_location.expr.opcodes; } + GetDWARFExpressionBytes () + { + if (m_type == atDWARFExpression || m_type == isDWARFExpression) + return m_location.expr.opcodes; + return NULL; + } int - GetDWARFExpressionLength () { return m_location.expr.length; } + GetDWARFExpressionLength () + { + if (m_type == atDWARFExpression || m_type == isDWARFExpression) + return m_location.expr.length; + return 0; + } void - Dump (Stream &s) const; + Dump (Stream &s, + const UnwindPlan* unwind_plan, + const UnwindPlan::Row* row, + Thread* thread, + bool verbose) const; private: RestoreType m_type; // How do we locate this register? @@ -165,12 +269,39 @@ public: { return m_cfa_reg_num; } + + bool + SetRegisterLocationToAtCFAPlusOffset (uint32_t reg_num, + int32_t offset, + bool can_replace); + + bool + SetRegisterLocationToIsCFAPlusOffset (uint32_t reg_num, + int32_t offset, + bool can_replace); + + bool + SetRegisterLocationToUndefined (uint32_t reg_num, + bool can_replace, + bool can_replace_only_if_unspecified); + + bool + SetRegisterLocationToUnspecified (uint32_t reg_num, + bool can_replace); + + bool + SetRegisterLocationToRegister (uint32_t reg_num, + uint32_t other_reg_num, + bool can_replace); + + bool + SetRegisterLocationToSame (uint32_t reg_num, + bool must_replace); + + void - SetCFARegister (uint32_t reg_num) - { - m_cfa_reg_num = reg_num; - } + SetCFARegister (uint32_t reg_num); int32_t GetCFAOffset () const @@ -195,7 +326,28 @@ public: Clear (); void - Dump (Stream& s, int register_kind, Thread* thread) const; + Dump (Stream& s, const UnwindPlan* unwind_plan, Thread* thread, lldb::addr_t base_addr) const; + + bool + operator == (const Row &rhs) const + { + if (m_offset == rhs.m_offset && + m_cfa_reg_num != rhs.m_cfa_reg_num && + m_cfa_offset != rhs.m_cfa_offset) + return m_register_locations == rhs.m_register_locations; + return false; + } + + bool + operator != (const Row &rhs) const + { + if (m_offset != rhs.m_offset || + m_cfa_reg_num != rhs.m_cfa_reg_num || + m_cfa_offset != rhs.m_cfa_offset) + return true; + + return m_register_locations != rhs.m_register_locations; + } protected: typedef std::map<uint32_t, RegisterLocation> collection; @@ -208,10 +360,10 @@ public: public: - UnwindPlan () : + UnwindPlan (uint32_t reg_kind) : m_row_list (), m_plan_valid_address_range (), - m_register_kind (UINT32_MAX), + m_register_kind (reg_kind), m_source_name () { } @@ -221,7 +373,7 @@ public: } void - Dump (Stream& s, Thread* thread) const; + Dump (Stream& s, Thread* thread, lldb::addr_t base_addr) const; void AppendRow (const Row& row); @@ -233,11 +385,25 @@ public: const Row* GetRowForFunctionOffset (int offset) const; - void - SetRegisterKind (uint32_t rk); + uint32_t + GetRegisterKind () const + { + return m_register_kind; + } + void + SetRegisterKind (uint32_t kind) + { + m_register_kind = kind; + } + uint32_t - GetRegisterKind (void) const; + GetInitialCFARegister () const + { + if (m_row_list.empty()) + return LLDB_INVALID_REGNUM; + return m_row_list.front().GetCFARegister(); + } // This UnwindPlan may not be valid at every address of the function span. // For instance, a FastUnwindPlan will not be valid at the prologue setup @@ -245,6 +411,12 @@ public: void SetPlanValidAddressRange (const AddressRange& range); + const AddressRange & + GetAddressRange () const + { + return m_plan_valid_address_range; + } + bool PlanValidAtAddress (Address addr); @@ -254,6 +426,9 @@ public: const UnwindPlan::Row& GetRowAtIndex (uint32_t idx) const; + const UnwindPlan::Row& + GetLastRow () const; + lldb_private::ConstString GetSourceName () const; @@ -268,12 +443,16 @@ public: { m_row_list.clear(); m_plan_valid_address_range.Clear(); - m_register_kind = UINT32_MAX; + m_register_kind = lldb::eRegisterKindDWARF; m_source_name.Clear(); } + const RegisterInfo * + GetRegisterInfo (Thread* thread, uint32_t reg_num) const; + private: + typedef std::vector<Row> collection; collection m_row_list; AddressRange m_plan_valid_address_range; diff --git a/lldb/include/lldb/Target/ABI.h b/lldb/include/lldb/Target/ABI.h index a185e86accf..3f3b75de1ba 100644 --- a/lldb/include/lldb/Target/ABI.h +++ b/lldb/include/lldb/Target/ABI.h @@ -45,9 +45,19 @@ public: virtual bool GetReturnValue (Thread &thread, Value &value) const = 0; - - static ABI* + + virtual bool + CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) = 0; + + virtual bool + CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) = 0; + + virtual bool + RegisterIsVolatile (const RegisterInfo *reg_info) = 0; + + static lldb::ABISP FindPlugin (const ArchSpec &arch); + protected: //------------------------------------------------------------------ // Classes that inherit from ABI can see and modify these diff --git a/lldb/include/lldb/Target/ArchDefaultUnwindPlan.h b/lldb/include/lldb/Target/ArchDefaultUnwindPlan.h deleted file mode 100644 index ad848fa8efe..00000000000 --- a/lldb/include/lldb/Target/ArchDefaultUnwindPlan.h +++ /dev/null @@ -1,43 +0,0 @@ -//===-- ArchDefaultUnwindPlan.h ---------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef utility_ArchDefaultUnwindPlan_h_ -#define utility_ArchDefaultUnwindPlan_h_ - -#include "lldb/lldb-private.h" -#include "lldb/Core/PluginInterface.h" - -namespace lldb_private { - -class ArchDefaultUnwindPlan : - public PluginInterface -{ -public: - - virtual - ~ArchDefaultUnwindPlan(); - - virtual lldb::UnwindPlanSP - GetArchDefaultUnwindPlan (Thread& thread, - const Address ¤t_pc) = 0; - - static lldb::ArchDefaultUnwindPlanSP - FindPlugin (const ArchSpec &arch); - -protected: - ArchDefaultUnwindPlan(); -private: - DISALLOW_COPY_AND_ASSIGN (ArchDefaultUnwindPlan); -}; - -} // namespace lldb_private - -#endif //utility_ArchDefaultUnwindPlan_h_ - - diff --git a/lldb/include/lldb/Target/ArchVolatileRegs.h b/lldb/include/lldb/Target/ArchVolatileRegs.h deleted file mode 100644 index 130471f7e17..00000000000 --- a/lldb/include/lldb/Target/ArchVolatileRegs.h +++ /dev/null @@ -1,53 +0,0 @@ -//===-- ArchVolatileRegs.h --------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef utility_ArchVolatileRegs_h_ -#define utility_ArchVolatileRegs_h_ - -#include "lldb/lldb-private.h" -#include "lldb/Core/PluginInterface.h" - -namespace lldb_private { - -class ArchVolatileRegs : - public PluginInterface -{ -public: - - virtual - ~ArchVolatileRegs(); - - // Given a register number (in the eRegisterKindLLDB register numbering - // scheme), returns true if the register is defined to be "volatile" in - // this architecture -- that is, a function is not required to preserve - // the contents of the register. - // If r8 is defined to be volatile, it means that a function can put - // values in that register without saving the previous contents. - // If r8 is defined to be non-volatile (preseved), a function must save - // the value in the register before it is used. - - // The thread reference is needed to get a RegisterContext to look up by - // register names. - - virtual bool - RegisterIsVolatile (lldb_private::Thread& thread, uint32_t regnum) = 0; - - static ArchVolatileRegs* - FindPlugin (const ArchSpec &arch); - -protected: - ArchVolatileRegs(); -private: - DISALLOW_COPY_AND_ASSIGN (ArchVolatileRegs); -}; - -} // namespace lldb_private - -#endif //utility_ArchVolatileRegs_h_ - diff --git a/lldb/include/lldb/Target/Process.h b/lldb/include/lldb/Target/Process.h index ca2cabe6032..93819bb0490 100644 --- a/lldb/include/lldb/Target/Process.h +++ b/lldb/include/lldb/Target/Process.h @@ -2457,7 +2457,7 @@ protected: ShouldBroadcastEvent (Event *event_ptr); public: - const ABI * + const lldb::ABISP & GetABI (); DynamicLoader * diff --git a/lldb/include/lldb/lldb-forward-rtti.h b/lldb/include/lldb/lldb-forward-rtti.h index 98feb2d5c13..ae07c0615cf 100644 --- a/lldb/include/lldb/lldb-forward-rtti.h +++ b/lldb/include/lldb/lldb-forward-rtti.h @@ -21,7 +21,6 @@ namespace lldb { typedef SharedPtr<lldb_private::ABI>::Type ABISP; typedef SharedPtr<lldb_private::AddressResolver>::Type AddressResolverSP; - typedef SharedPtr<lldb_private::ArchDefaultUnwindPlan>::Type ArchDefaultUnwindPlanSP; typedef SharedPtr<lldb_private::Baton>::Type BatonSP; typedef SharedPtr<lldb_private::Block>::Type BlockSP; typedef SharedPtr<lldb_private::Breakpoint>::Type BreakpointSP; diff --git a/lldb/include/lldb/lldb-forward.h b/lldb/include/lldb/lldb-forward.h index a8c71d5550d..d05359126b5 100644 --- a/lldb/include/lldb/lldb-forward.h +++ b/lldb/include/lldb/lldb-forward.h @@ -22,8 +22,6 @@ class Address; class AddressRange; class AddressResolver; class ArchSpec; -class ArchDefaultUnwindPlan; -class ArchVolatileRegs; class Args; class Baton; class Block; diff --git a/lldb/include/lldb/lldb-private-interfaces.h b/lldb/include/lldb/lldb-private-interfaces.h index 0111c92bf15..1ff3d04007a 100644 --- a/lldb/include/lldb/lldb-private-interfaces.h +++ b/lldb/include/lldb/lldb-private-interfaces.h @@ -16,7 +16,7 @@ namespace lldb_private { - typedef ABI* (*ABICreateInstance) (const ArchSpec &arch); + typedef lldb::ABISP (*ABICreateInstance) (const ArchSpec &arch); typedef Disassembler* (*DisassemblerCreateInstance) (const ArchSpec &arch); typedef DynamicLoader* (*DynamicLoaderCreateInstance) (Process* process, bool force); typedef ObjectContainer* (*ObjectContainerCreateInstance) (Module* module, lldb::DataBufferSP& dataSP, const FileSpec *file, lldb::addr_t offset, lldb::addr_t length); @@ -32,8 +32,6 @@ namespace lldb_private typedef bool (*WatchpointHitCallback) (void *baton, StoppointCallbackContext *context, lldb::user_id_t watch_id, uint32_t type); typedef ThreadPlan * (*ThreadPlanShouldStopHereCallback) (ThreadPlan *current_plan, Flags &flags, void *baton); typedef UnwindAssembly* (*UnwindAssemblyCreateInstance) (const ArchSpec &arch); - typedef ArchDefaultUnwindPlan* (*ArchDefaultUnwindPlanCreateInstance) (const ArchSpec &arch); - typedef ArchVolatileRegs* (*ArchVolatileRegsCreateInstance) (const ArchSpec &arch); typedef int (*ComparisonFunction)(const void *, const void *); } // namespace lldb_private diff --git a/lldb/lldb.xcodeproj/project.pbxproj b/lldb/lldb.xcodeproj/project.pbxproj index d48b3952c97..517d56450b3 100644 --- a/lldb/lldb.xcodeproj/project.pbxproj +++ b/lldb/lldb.xcodeproj/project.pbxproj @@ -13,8 +13,6 @@ 261744781168585B005ADD65 /* SBType.cpp in Sources */ = {isa = PBXBuildFile; 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fileRef = 263E949D13661AE400E7D1CE /* UnwindAssembly-x86.cpp */; }; @@ -214,8 +212,6 @@ 2689008713353E2200698AC0 /* ScriptInterpreter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9A82010B10FFB49800182560 /* ScriptInterpreter.cpp */; }; 2689008813353E2200698AC0 /* ScriptInterpreterNone.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9A2771FC1135A37500E6ADB6 /* ScriptInterpreterNone.cpp */; }; 2689008913353E2200698AC0 /* ScriptInterpreterPython.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F0C10F1B8DD00F91463 /* ScriptInterpreterPython.cpp */; }; - 2689008A13353E4200698AC0 /* ABIMacOSX_i386.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 497650CE11A21BEE008DDB57 /* ABIMacOSX_i386.cpp */; }; - 2689008B13353E4200698AC0 /* ABISysV_x86_64.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 493C63F11189203300914D5E /* ABISysV_x86_64.cpp */; }; 2689008C13353E4200698AC0 /* DisassemblerLLVM.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 260C897410F57C5600BB2B04 /* DisassemblerLLVM.cpp */; 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- name = "SysV-x86_64"; - sourceTree = "<group>"; - }; - 497650CD11A21BD8008DDB57 /* MacOSX-i386 */ = { - isa = PBXGroup; - children = ( - 497650CE11A21BEE008DDB57 /* ABIMacOSX_i386.cpp */, - 497650CF11A21BEE008DDB57 /* ABIMacOSX_i386.h */, - ); - name = "MacOSX-i386"; - sourceTree = "<group>"; - }; 4C139EA0124A8AC7000BFF8D /* CPlusPlus */ = { isa = PBXGroup; children = ( @@ -3125,8 +3086,6 @@ 2689008713353E2200698AC0 /* ScriptInterpreter.cpp in Sources */, 2689008813353E2200698AC0 /* ScriptInterpreterNone.cpp in Sources */, 2689008913353E2200698AC0 /* ScriptInterpreterPython.cpp in Sources */, - 2689008A13353E4200698AC0 /* ABIMacOSX_i386.cpp in Sources */, - 2689008B13353E4200698AC0 /* ABISysV_x86_64.cpp in Sources */, 2689008C13353E4200698AC0 /* DisassemblerLLVM.cpp in Sources */, 2689008D13353E4200698AC0 /* DynamicLoaderMacOSXDYLD.cpp in Sources */, 2689008E13353E4200698AC0 /* DynamicLoaderStatic.cpp in Sources */, @@ -3273,11 +3232,7 @@ 9A22A161135E30370024DDC3 /* EmulateInstructionARM.cpp in Sources */, 9A22A163135E30370024DDC3 /* EmulationStateARM.cpp in Sources */, 9A4F35101368A51A00823F52 /* StreamAsynchronousIO.cpp in Sources */, - 2630BFAF1365F3220070C534 /* ArchDefaultUnwindPlan.cpp in Sources */, - 2630BFB01365F3220070C534 /* ArchVolatileRegs.cpp in Sources */, 2692BA15136610C100F9E14D /* UnwindAssemblyInstEmulation.cpp in Sources */, - 2692BA1F136614D800F9E14D /* ArchDefaultUnwindPlan-x86.cpp in Sources */, - 2692BA231366150100F9E14D /* ArchVolatileRegs-x86.cpp in Sources */, 263E949F13661AEA00E7D1CE /* UnwindAssembly-x86.cpp in Sources */, 264D8D5013661BD7003A368F /* UnwindAssembly.cpp in Sources */, 26ECA04313665FED008D1F18 /* ARM_DWARF_Registers.cpp in Sources */, @@ -3288,7 +3243,10 @@ 260E07C8136FAB9200CF21D3 /* OptionGroupFile.cpp in Sources */, 2686536C1370ACB200D186A3 /* OptionGroupBoolean.cpp in Sources */, 268653701370AE7200D186A3 /* OptionGroupUInt64.cpp in Sources */, - 26C6886F137880C400407EDF /* RegisterValue.cpp in Sources */, + 26DB3E161379E7AD0080DC73 /* ABIMacOSX_arm.cpp in Sources */, + 26DB3E1C1379E7AD0080DC73 /* ABIMacOSX_i386.cpp in Sources */, + 26DB3E1F1379E7AD0080DC73 /* ABISysV_x86_64.cpp in Sources */, + 26A69C5F137A17A500262477 /* RegisterValue.cpp in Sources */, ); runOnlyForDeploymentPostprocessing = 0; }; @@ -3488,8 +3446,6 @@ "$(inherited)", "$(LLVM_BUILD_DIR)", ); - LLVM_BUILD_DIR = "$(SRCROOT)/llvm"; - LLVM_CONFIGURATION = "Debug+Asserts"; OTHER_CFLAGS = "-Wparentheses"; OTHER_CPLUSPLUSFLAGS = ( "-fno-rtti", @@ -3539,8 +3495,6 @@ "$(inherited)", "$(LLVM_BUILD_DIR)", ); - LLVM_BUILD_DIR = "$(SRCROOT)/llvm"; - LLVM_CONFIGURATION = "Debug+Asserts"; OTHER_CFLAGS = "-Wparentheses"; OTHER_CPLUSPLUSFLAGS = ( "-fno-rtti", @@ -3582,8 +3536,6 @@ "$(inherited)", "$(LLVM_BUILD_DIR)", ); - LLVM_BUILD_DIR = "$(SRCROOT)/llvm"; - LLVM_CONFIGURATION = "Debug+Asserts"; MACH_O_TYPE = staticlib; MACOSX_DEPLOYMENT_TARGET = 10.6; OTHER_CFLAGS = "-Wparentheses"; @@ -3624,8 +3576,6 @@ "$(inherited)", "$(LLVM_BUILD_DIR)", ); - LLVM_BUILD_DIR = "$(SRCROOT)/llvm"; - LLVM_CONFIGURATION = "Debug+Asserts"; MACH_O_TYPE = staticlib; MACOSX_DEPLOYMENT_TARGET = 10.6; OTHER_CFLAGS = "-Wparentheses"; @@ -3868,7 +3818,6 @@ 26F5C26C10F3D9A5009D5894 /* Debug */ = { isa = XCBuildConfiguration; buildSettings = { - CODE_SIGN_IDENTITY = lldb_codesign; COPY_PHASE_STRIP = NO; CURRENT_PROJECT_VERSION = 46; DEBUG_INFORMATION_FORMAT = dwarf; @@ -3901,7 +3850,6 @@ 26F5C26D10F3D9A5009D5894 /* Release */ = { isa = XCBuildConfiguration; buildSettings = { - CODE_SIGN_IDENTITY = lldb_codesign; COPY_PHASE_STRIP = YES; CURRENT_PROJECT_VERSION = 46; DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; diff --git a/lldb/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme b/lldb/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme index 4852a2b40ba..74678a6b5d0 100644 --- a/lldb/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme +++ b/lldb/lldb.xcodeproj/xcshareddata/xcschemes/lldb-tool.xcscheme @@ -75,7 +75,8 @@ selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB" selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB" launchStyle = "0" - useCustomWorkingDirectory = "NO" + useCustomWorkingDirectory = "YES" + customWorkingDirectory = "/Volumes/work/gclayton/Documents/devb/attach" buildConfiguration = "Debug" ignoresPersistentStateOnLaunch = "YES"> <BuildableProductRunnable> diff --git a/lldb/source/Commands/CommandObjectArgs.cpp b/lldb/source/Commands/CommandObjectArgs.cpp index 09363d72dda..bfa1006d2f8 100644 --- a/lldb/source/Commands/CommandObjectArgs.cpp +++ b/lldb/source/Commands/CommandObjectArgs.cpp @@ -113,7 +113,7 @@ CommandObjectArgs::Execute return false; } - const ABI *abi = process->GetABI (); + const ABI *abi = process->GetABI().get(); if (!abi) { result.AppendError ("The current process has no ABI."); diff --git a/lldb/source/Core/EmulateInstruction.cpp b/lldb/source/Core/EmulateInstruction.cpp index ac149e020ec..a30dcd80608 100644 --- a/lldb/source/Core/EmulateInstruction.cpp +++ b/lldb/source/Core/EmulateInstruction.cpp @@ -372,8 +372,10 @@ EmulateInstruction::ReadMemoryDefault (EmulateInstruction *instruction, void *dst, size_t length) { - fprintf (stdout, " Read from Memory (address = 0x%llx, length = %zu, context = ", addr, length); - context.Dump (stdout, instruction); + StreamFile strm (stdout, false); + strm.Printf (" Read from Memory (address = 0x%llx, length = %zu, context = ", addr, length); + context.Dump (strm, instruction); + strm.EOL(); *((uint64_t *) dst) = 0xdeadbeef; return length; } @@ -386,8 +388,10 @@ EmulateInstruction::WriteMemoryDefault (EmulateInstruction *instruction, const void *dst, size_t length) { - fprintf (stdout, " Write to Memory (address = 0x%llx, length = %zu, context = ", addr, length); - context.Dump (stdout, instruction); + StreamFile strm (stdout, false); + strm.Printf (" Write to Memory (address = 0x%llx, length = %zu, context = ", addr, length); + context.Dump (strm, instruction); + strm.EOL(); return length; } @@ -397,7 +401,8 @@ EmulateInstruction::ReadRegisterDefault (EmulateInstruction *instruction, const RegisterInfo *reg_info, RegisterValue ®_value) { - fprintf (stdout, " Read Register (%s)\n", reg_info->name); + StreamFile strm (stdout, false); + strm.Printf (" Read Register (%s)\n", reg_info->name); uint32_t reg_kind, reg_num; if (GetBestRegisterKindAndNumber (reg_info, reg_kind, reg_num)) reg_value.SetUInt64((uint64_t)reg_kind << 24 | reg_num); @@ -418,86 +423,87 @@ EmulateInstruction::WriteRegisterDefault (EmulateInstruction *instruction, strm.Printf (" Write to Register (name = %s, value = " , reg_info->name); reg_value.Dump(&strm, reg_info, false); strm.PutCString (", context = "); - context.Dump (stdout, instruction); + context.Dump (strm, instruction); + strm.EOL(); return true; } void -EmulateInstruction::Context::Dump (FILE *fh, +EmulateInstruction::Context::Dump (Stream &strm, EmulateInstruction *instruction) const { switch (type) { case eContextReadOpcode: - fprintf (fh, "reading opcode"); + strm.PutCString ("reading opcode"); break; case eContextImmediate: - fprintf (fh, "immediate"); + strm.PutCString ("immediate"); break; case eContextPushRegisterOnStack: - fprintf (fh, "push register"); + strm.PutCString ("push register"); break; case eContextPopRegisterOffStack: - fprintf (fh, "pop register"); + strm.PutCString ("pop register"); break; case eContextAdjustStackPointer: - fprintf (fh, "adjust sp"); + strm.PutCString ("adjust sp"); break; case eContextAdjustBaseRegister: - fprintf (fh, "adjusting (writing value back to) a base register"); + strm.PutCString ("adjusting (writing value back to) a base register"); break; case eContextRegisterPlusOffset: - fprintf (fh, "register + offset"); + strm.PutCString ("register + offset"); break; case eContextRegisterStore: - fprintf (fh, "store register"); + strm.PutCString ("store register"); break; case eContextRegisterLoad: - fprintf (fh, "load register"); + strm.PutCString ("load register"); break; case eContextRelativeBranchImmediate: - fprintf (fh, "relative branch immediate"); + strm.PutCString ("relative branch immediate"); break; case eContextAbsoluteBranchRegister: - fprintf (fh, "absolute branch register"); + strm.PutCString ("absolute branch register"); break; case eContextSupervisorCall: - fprintf (fh, "supervisor call"); + strm.PutCString ("supervisor call"); break; case eContextTableBranchReadMemory: - fprintf (fh, "table branch read memory"); + strm.PutCString ("table branch read memory"); break; case eContextWriteRegisterRandomBits: - fprintf (fh, "write random bits to a register"); + strm.PutCString ("write random bits to a register"); break; case eContextWriteMemoryRandomBits: - fprintf (fh, "write random bits to a memory address"); + strm.PutCString ("write random bits to a memory address"); break; case eContextArithmetic: - fprintf (fh, "arithmetic"); + strm.PutCString ("arithmetic"); break; case eContextReturnFromException: - fprintf (fh, "return from exception"); + strm.PutCString ("return from exception"); break; default: - fprintf (fh, "unrecognized context."); + strm.PutCString ("unrecognized context."); break; } @@ -505,99 +511,93 @@ EmulateInstruction::Context::Dump (FILE *fh, { case eInfoTypeRegisterPlusOffset: { - fprintf (fh, - " (reg_plus_offset = %s%+lld)\n", - info.RegisterPlusOffset.reg.name, - info.RegisterPlusOffset.signed_offset); + strm.Printf (" (reg_plus_offset = %s%+lld)", + info.RegisterPlusOffset.reg.name, + info.RegisterPlusOffset.signed_offset); } break; case eInfoTypeRegisterPlusIndirectOffset: { - fprintf (fh, " (reg_plus_reg = %s + %s)\n", - info.RegisterPlusIndirectOffset.base_reg.name, - info.RegisterPlusIndirectOffset.offset_reg.name); + strm.Printf (" (reg_plus_reg = %s + %s)", + info.RegisterPlusIndirectOffset.base_reg.name, + info.RegisterPlusIndirectOffset.offset_reg.name); } break; case eInfoTypeRegisterToRegisterPlusOffset: { - fprintf (fh, " (base_and_imm_offset = %s%+lld, data_reg = %s)\n", - info.RegisterToRegisterPlusOffset.base_reg.name, - info.RegisterToRegisterPlusOffset.offset, - info.RegisterToRegisterPlusOffset.data_reg.name); + strm.Printf (" (base_and_imm_offset = %s%+lld, data_reg = %s)", + info.RegisterToRegisterPlusOffset.base_reg.name, + info.RegisterToRegisterPlusOffset.offset, + info.RegisterToRegisterPlusOffset.data_reg.name); } break; case eInfoTypeRegisterToRegisterPlusIndirectOffset: { - fprintf (fh, " (base_and_reg_offset = %s + %s, data_reg = %s)\n", - info.RegisterToRegisterPlusIndirectOffset.base_reg.name, - info.RegisterToRegisterPlusIndirectOffset.offset_reg.name, - info.RegisterToRegisterPlusIndirectOffset.data_reg.name); + strm.Printf (" (base_and_reg_offset = %s + %s, data_reg = %s)", + info.RegisterToRegisterPlusIndirectOffset.base_reg.name, + info.RegisterToRegisterPlusIndirectOffset.offset_reg.name, + info.RegisterToRegisterPlusIndirectOffset.data_reg.name); } break; case eInfoTypeRegisterRegisterOperands: { - fprintf (fh, " (register to register binary op: %s and %s)\n", - info.RegisterRegisterOperands.operand1.name, - info.RegisterRegisterOperands.operand2.name); + strm.Printf (" (register to register binary op: %s and %s)", + info.RegisterRegisterOperands.operand1.name, + info.RegisterRegisterOperands.operand2.name); } break; case eInfoTypeOffset: - fprintf (fh, " (signed_offset = %+lld)\n", info.signed_offset); + strm.Printf (" (signed_offset = %+lld)", info.signed_offset); break; case eInfoTypeRegister: - fprintf (fh, " (reg = %s)\n", info.reg.name); + strm.Printf (" (reg = %s)", info.reg.name); break; case eInfoTypeImmediate: - fprintf (fh, - " (unsigned_immediate = %llu (0x%16.16llx))\n", - info.unsigned_immediate, - info.unsigned_immediate); + strm.Printf (" (unsigned_immediate = %llu (0x%16.16llx))", + info.unsigned_immediate, + info.unsigned_immediate); break; case eInfoTypeImmediateSigned: - fprintf (fh, - " (signed_immediate = %+lld (0x%16.16llx))\n", - info.signed_immediate, - info.signed_immediate); + strm.Printf (" (signed_immediate = %+lld (0x%16.16llx))", + info.signed_immediate, + info.signed_immediate); break; case eInfoTypeAddress: - fprintf (fh, " (address = 0x%llx)\n", info.address); + strm.Printf (" (address = 0x%llx)", info.address); break; case eInfoTypeISAAndImmediate: - fprintf (fh, - " (isa = %u, unsigned_immediate = %u (0x%8.8x))\n", - info.ISAAndImmediate.isa, - info.ISAAndImmediate.unsigned_data32, - info.ISAAndImmediate.unsigned_data32); + strm.Printf (" (isa = %u, unsigned_immediate = %u (0x%8.8x))", + info.ISAAndImmediate.isa, + info.ISAAndImmediate.unsigned_data32, + info.ISAAndImmediate.unsigned_data32); break; case eInfoTypeISAAndImmediateSigned: - fprintf (fh, - " (isa = %u, signed_immediate = %i (0x%8.8x))\n", - info.ISAAndImmediateSigned.isa, - info.ISAAndImmediateSigned.signed_data32, - info.ISAAndImmediateSigned.signed_data32); + strm.Printf (" (isa = %u, signed_immediate = %i (0x%8.8x))", + info.ISAAndImmediateSigned.isa, + info.ISAAndImmediateSigned.signed_data32, + info.ISAAndImmediateSigned.signed_data32); break; case eInfoTypeISA: - fprintf (fh, " (isa = %u)\n", info.isa); + strm.Printf (" (isa = %u)", info.isa); break; case eInfoTypeNoArgs: - fprintf (fh, " \n"); break; default: - fprintf (fh, " (unknown <info_type>)\n"); + strm.Printf (" (unknown <info_type>)"); break; } } diff --git a/lldb/source/Core/PluginManager.cpp b/lldb/source/Core/PluginManager.cpp index fae963330c8..d1903dff365 100644 --- a/lldb/source/Core/PluginManager.cpp +++ b/lldb/source/Core/PluginManager.cpp @@ -1663,213 +1663,3 @@ PluginManager::GetUnwindAssemblyCreateCallbackForPluginName (const char *name) return NULL; } -#pragma mark ArchDefaultUnwindPlan - -struct ArchDefaultUnwindPlanInstance -{ - ArchDefaultUnwindPlanInstance() : - name(), - description(), - create_callback(NULL) - { - } - - std::string name; - std::string description; - ArchDefaultUnwindPlanCreateInstance create_callback; -}; - -typedef std::vector<ArchDefaultUnwindPlanInstance> ArchDefaultUnwindPlanInstances; - -static Mutex & -GetArchDefaultUnwindPlanMutex () -{ - static Mutex g_instances_mutex (Mutex::eMutexTypeRecursive); - return g_instances_mutex; -} - -static ArchDefaultUnwindPlanInstances & -GetArchDefaultUnwindPlanInstances () -{ - static ArchDefaultUnwindPlanInstances g_instances; - return g_instances; -} - - -bool -PluginManager::RegisterPlugin -( - const char *name, - const char *description, - ArchDefaultUnwindPlanCreateInstance create_callback -) -{ - if (create_callback) - { - ArchDefaultUnwindPlanInstance instance; - assert (name && name[0]); - instance.name = name; - if (description && description[0]) - instance.description = description; - instance.create_callback = create_callback; - Mutex::Locker locker (GetArchDefaultUnwindPlanMutex ()); - GetArchDefaultUnwindPlanInstances ().push_back (instance); - } - return false; -} - -bool -PluginManager::UnregisterPlugin (ArchDefaultUnwindPlanCreateInstance create_callback) -{ - if (create_callback) - { - Mutex::Locker locker (GetArchDefaultUnwindPlanMutex ()); - ArchDefaultUnwindPlanInstances &instances = GetArchDefaultUnwindPlanInstances (); - - ArchDefaultUnwindPlanInstances::iterator pos, end = instances.end(); - for (pos = instances.begin(); pos != end; ++ pos) - { - if (pos->create_callback == create_callback) - { - instances.erase(pos); - return true; - } - } - } - return false; -} - -ArchDefaultUnwindPlanCreateInstance -PluginManager::GetArchDefaultUnwindPlanCreateCallbackAtIndex (uint32_t idx) -{ - Mutex::Locker locker (GetArchDefaultUnwindPlanMutex ()); - ArchDefaultUnwindPlanInstances &instances = GetArchDefaultUnwindPlanInstances (); - if (idx < instances.size()) - return instances[idx].create_callback; - return NULL; -} - - -ArchDefaultUnwindPlanCreateInstance -PluginManager::GetArchDefaultUnwindPlanCreateCallbackForPluginName (const char *name) -{ - if (name && name[0]) - { - llvm::StringRef name_sref(name); - Mutex::Locker locker (GetArchDefaultUnwindPlanMutex ()); - ArchDefaultUnwindPlanInstances &instances = GetArchDefaultUnwindPlanInstances (); - - ArchDefaultUnwindPlanInstances::iterator pos, end = instances.end(); - for (pos = instances.begin(); pos != end; ++ pos) - { - if (name_sref.equals (pos->name)) - return pos->create_callback; - } - } - return NULL; -} - -#pragma mark ArchVolatileRegs - -struct ArchVolatileRegsInstance -{ - ArchVolatileRegsInstance() : - name(), - description(), - create_callback(NULL) - { - } - - std::string name; - std::string description; - ArchVolatileRegsCreateInstance create_callback; -}; - -typedef std::vector<ArchVolatileRegsInstance> ArchVolatileRegsInstances; - -static Mutex & -GetArchVolatileRegsMutex () -{ - static Mutex g_instances_mutex (Mutex::eMutexTypeRecursive); - return g_instances_mutex; -} - -static ArchVolatileRegsInstances & -GetArchVolatileRegsInstances () -{ - static ArchVolatileRegsInstances g_instances; - return g_instances; -} - -bool -PluginManager::RegisterPlugin -( - const char *name, - const char *description, - ArchVolatileRegsCreateInstance create_callback -) -{ - if (create_callback) - { - ArchVolatileRegsInstance instance; - assert (name && name[0]); - instance.name = name; - if (description && description[0]) - instance.description = description; - instance.create_callback = create_callback; - Mutex::Locker locker (GetArchVolatileRegsMutex ()); - GetArchVolatileRegsInstances ().push_back (instance); - } - return false; -} - -bool -PluginManager::UnregisterPlugin (ArchVolatileRegsCreateInstance create_callback) -{ - if (create_callback) - { - Mutex::Locker locker (GetArchVolatileRegsMutex ()); - ArchVolatileRegsInstances &instances = GetArchVolatileRegsInstances (); - - ArchVolatileRegsInstances::iterator pos, end = instances.end(); - for (pos = instances.begin(); pos != end; ++ pos) - { - if (pos->create_callback == create_callback) - { - instances.erase(pos); - return true; - } - } - } - return false; -} - -ArchVolatileRegsCreateInstance -PluginManager::GetArchVolatileRegsCreateCallbackAtIndex (uint32_t idx) -{ - Mutex::Locker locker (GetArchVolatileRegsMutex ()); - ArchVolatileRegsInstances &instances = GetArchVolatileRegsInstances (); - if (idx < instances.size()) - return instances[idx].create_callback; - return NULL; -} - -ArchVolatileRegsCreateInstance -PluginManager::GetArchVolatileRegsCreateCallbackForPluginName (const char *name) -{ - if (name && name[0]) - { - llvm::StringRef name_sref(name); - Mutex::Locker locker (GetArchVolatileRegsMutex ()); - ArchVolatileRegsInstances &instances = GetArchVolatileRegsInstances (); - - ArchVolatileRegsInstances::iterator pos, end = instances.end(); - for (pos = instances.begin(); pos != end; ++ pos) - { - if (name_sref.equals (pos->name)) - return pos->create_callback; - } - } - return NULL; -} - diff --git a/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.cpp b/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.cpp new file mode 100644 index 00000000000..0f9bab1fcec --- /dev/null +++ b/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.cpp @@ -0,0 +1,807 @@ +//===-- ABIMacOSX_arm.cpp --------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "ABIMacOSX_arm.h" + +#include "lldb/Core/ConstString.h" +#include "lldb/Core/Error.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/PluginManager.h" +#include "lldb/Core/Scalar.h" +#include "lldb/Core/Value.h" +#include "lldb/Symbol/ClangASTContext.h" +#include "lldb/Symbol/UnwindPlan.h" +#include "lldb/Target/Process.h" +#include "lldb/Target/RegisterContext.h" +#include "lldb/Target/Target.h" +#include "lldb/Target/Thread.h" + +#include "llvm/ADT/Triple.h" + +#include "Utility/ARM_DWARF_Registers.h" + +#include <vector> + +using namespace lldb; +using namespace lldb_private; + +static const char *pluginName = "ABIMacOSX_arm"; +static const char *pluginDesc = "Mac OS X ABI for arm targets"; +static const char *pluginShort = "abi.macosx-arm"; + +size_t +ABIMacOSX_arm::GetRedZoneSize () const +{ + return 0; +} + +//------------------------------------------------------------------ +// Static Functions +//------------------------------------------------------------------ +ABISP +ABIMacOSX_arm::CreateInstance (const ArchSpec &arch) +{ + static ABISP g_abi_sp; + const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); + if ((arch_type == llvm::Triple::arm) || + (arch_type == llvm::Triple::thumb)) + { + if (!g_abi_sp) + g_abi_sp.reset (new ABIMacOSX_arm); + return g_abi_sp; + } + return ABISP(); +} + +bool +ABIMacOSX_arm::PrepareTrivialCall (Thread &thread, + addr_t sp, + addr_t functionAddress, + addr_t returnAddress, + addr_t arg, + addr_t *this_arg, + addr_t *cmd_arg) const +{ +// RegisterContext *reg_ctx = thread.GetRegisterContext().get(); +// if (!reg_ctx) +// return false; +//#define CHAIN_EBP +// +//#ifndef CHAIN_EBP +// uint32_t ebpID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_FP); +//#endif +// uint32_t eipID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); +// uint32_t espID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); +// +// // Make room for the argument(s) on the stack +// +// if (this_arg && cmd_arg) +// sp -= 12; +// else if (this_arg) +// sp -= 8; +// else +// sp -= 4; +// +// // Align the SP +// +// sp &= ~(0xfull); // 16-byte alignment +// +// // Write the argument on the stack +// +// Error error; +// +// if (this_arg && cmd_arg) +// { +// uint32_t cmd_argU32 = *cmd_arg & 0xffffffffull; +// uint32_t this_argU32 = *this_arg & 0xffffffffull; +// uint32_t argU32 = arg & 0xffffffffull; +// +// if (thread.GetProcess().WriteMemory(sp, &this_argU32, sizeof(this_argU32), error) != sizeof(this_argU32)) +// return false; +// if (thread.GetProcess().WriteMemory(sp + 4, &cmd_argU32, sizeof(cmd_argU32), error) != sizeof(cmd_argU32)) +// return false; +// if (thread.GetProcess().WriteMemory(sp + 8, &argU32, sizeof(argU32), error) != sizeof(argU32)) +// return false; +// } +// else if (this_arg) +// { +// uint32_t this_argU32 = *this_arg & 0xffffffffull; +// uint32_t argU32 = arg & 0xffffffffull; +// +// if (thread.GetProcess().WriteMemory(sp, &this_argU32, sizeof(this_argU32), error) != sizeof(this_argU32)) +// return false; +// if (thread.GetProcess().WriteMemory(sp + 4, &argU32, sizeof(argU32), error) != sizeof(argU32)) +// return false; +// } +// else +// { +// uint32_t argU32 = arg & 0xffffffffull; +// +// if (thread.GetProcess().WriteMemory (sp, &argU32, sizeof(argU32), error) != sizeof(argU32)) +// return false; +// } +// +// // The return address is pushed onto the stack. +// +// sp -= 4; +// uint32_t returnAddressU32 = returnAddress; +// if (thread.GetProcess().WriteMemory (sp, &returnAddressU32, sizeof(returnAddressU32), error) != sizeof(returnAddressU32)) +// return false; +// +// // %esp is set to the actual stack value. +// +// if (!reg_ctx->WriteRegisterFromUnsigned(espID, sp)) +// return false; +// +//#ifndef CHAIN_EBP +// // %ebp is set to a fake value, in our case 0x0x00000000 +// +// if (!reg_ctx->WriteRegisterFromUnsigned(ebpID, 0x00000000)) +// return false; +//#endif +// +// // %eip is set to the address of the called function. +// +// if (!reg_ctx->WriteRegisterFromUnsigned(eipID, functionAddress)) +// return false; +// +// return true; + return false; +} + +bool +ABIMacOSX_arm::PrepareNormalCall (Thread &thread, + addr_t sp, + addr_t functionAddress, + addr_t returnAddress, + ValueList &args) const +{ +// RegisterContext *reg_ctx = thread.GetRegisterContext().get(); +// if (!reg_ctx) +// return false; +// Error error; +// uint32_t ebpID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_FP); +// uint32_t eipID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); +// uint32_t espID = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); +// +// // Do the argument layout +// +// std::vector <uint32_t> argLayout; // 4-byte chunks, as discussed in the ABI Function Call Guide +// +// size_t numArgs = args.GetSize(); +// size_t index; +// +// for (index = 0; index < numArgs; ++index) +// { +// Value *val = args.GetValueAtIndex(index); +// +// if (!val) +// return false; +// +// switch (val->GetValueType()) +// { +// case Value::eValueTypeScalar: +// { +// Scalar &scalar = val->GetScalar(); +// switch (scalar.GetType()) +// { +// case Scalar::e_void: +// default: +// return false; +// case Scalar::e_sint: +// case Scalar::e_uint: +// case Scalar::e_slong: +// case Scalar::e_ulong: +// case Scalar::e_slonglong: +// case Scalar::e_ulonglong: +// { +// uint64_t data = scalar.ULongLong(); +// +// switch (scalar.GetByteSize()) +// { +// default: +// return false; +// case 1: +// argLayout.push_back((uint32_t)(data & 0xffull)); +// break; +// case 2: +// argLayout.push_back((uint32_t)(data & 0xffffull)); +// break; +// case 4: +// argLayout.push_back((uint32_t)(data & 0xffffffffull)); +// break; +// case 8: +// argLayout.push_back((uint32_t)(data & 0xffffffffull)); +// argLayout.push_back((uint32_t)(data >> 32)); +// break; +// } +// } +// break; +// case Scalar::e_float: +// { +// float data = scalar.Float(); +// uint32_t dataRaw = *((uint32_t*)(&data)); +// argLayout.push_back(dataRaw); +// } +// break; +// case Scalar::e_double: +// { +// double data = scalar.Double(); +// uint32_t *dataRaw = ((uint32_t*)(&data)); +// argLayout.push_back(dataRaw[0]); +// argLayout.push_back(dataRaw[1]); +// } +// break; +// case Scalar::e_long_double: +// { +// long double data = scalar.Double(); +// uint32_t *dataRaw = ((uint32_t*)(&data)); +// while ((argLayout.size() * 4) & 0xf) +// argLayout.push_back(0); +// argLayout.push_back(dataRaw[0]); +// argLayout.push_back(dataRaw[1]); +// argLayout.push_back(dataRaw[2]); +// argLayout.push_back(dataRaw[3]); +// } +// break; +// } +// } +// break; +// case Value::eValueTypeHostAddress: +// switch (val->GetContextType()) +// { +// default: +// return false; +// case Value::eContextTypeClangType: +// { +// void *val_type = val->GetClangType(); +// uint32_t cstr_length; +// +// if (ClangASTContext::IsCStringType (val_type, cstr_length)) +// { +// const char *cstr = (const char*)val->GetScalar().ULongLong(); +// cstr_length = strlen(cstr); +// +// // Push the string onto the stack immediately. +// +// sp -= (cstr_length + 1); +// +// if (thread.GetProcess().WriteMemory(sp, cstr, cstr_length + 1, error) != (cstr_length + 1)) +// return false; +// +// // Put the address of the string into the argument array. +// +// argLayout.push_back((uint32_t)(sp & 0xffffffff)); +// } +// else +// { +// return false; +// } +// } +// break; +// } +// break; +// case Value::eValueTypeFileAddress: +// case Value::eValueTypeLoadAddress: +// default: +// return false; +// } +// } +// +// // Make room for the arguments on the stack +// +// sp -= 4 * argLayout.size(); +// +// // Align the SP +// +// sp &= ~(0xfull); // 16-byte alignment +// +// // Write the arguments on the stack +// +// size_t numChunks = argLayout.size(); +// +// for (index = 0; index < numChunks; ++index) +// if (thread.GetProcess().WriteMemory(sp + (index * 4), &argLayout[index], sizeof(uint32_t), error) != sizeof(uint32_t)) +// return false; +// +// // The return address is pushed onto the stack. +// +// sp -= 4; +// uint32_t returnAddressU32 = returnAddress; +// if (thread.GetProcess().WriteMemory (sp, &returnAddressU32, sizeof(returnAddressU32), error) != sizeof(returnAddressU32)) +// return false; +// +// // %esp is set to the actual stack value. +// +// if (!reg_ctx->WriteRegisterFromUnsigned(espID, sp)) +// return false; +// +// // %ebp is set to a fake value, in our case 0x0x00000000 +// +// if (!reg_ctx->WriteRegisterFromUnsigned(ebpID, 0x00000000)) +// return false; +// +// // %eip is set to the address of the called function. +// +// if (!reg_ctx->WriteRegisterFromUnsigned(eipID, functionAddress)) +// return false; +// +// return true; + return false; +} + +static bool +ReadIntegerArgument (Scalar &scalar, + unsigned int bit_width, + bool is_signed, + Process &process, + addr_t ¤t_stack_argument) +{ +// if (bit_width > 64) +// return false; // Scalar can't hold large integer arguments +// +// uint64_t arg_contents; +// uint32_t read_data; +// Error error; +// +// if (bit_width > 32) +// { +// if (process.ReadMemory(current_stack_argument, &read_data, sizeof(read_data), error) != sizeof(read_data)) +// return false; +// +// arg_contents = read_data; +// +// if (process.ReadMemory(current_stack_argument + 4, &read_data, sizeof(read_data), error) != sizeof(read_data)) +// return false; +// +// arg_contents |= ((uint64_t)read_data) << 32; +// +// current_stack_argument += 8; +// } +// else { +// if (process.ReadMemory(current_stack_argument, &read_data, sizeof(read_data), error) != sizeof(read_data)) +// return false; +// +// arg_contents = read_data; +// +// current_stack_argument += 4; +// } +// +// if (is_signed) +// { +// switch (bit_width) +// { +// default: +// return false; +// case 8: +// scalar = (int8_t)(arg_contents & 0xff); +// break; +// case 16: +// scalar = (int16_t)(arg_contents & 0xffff); +// break; +// case 32: +// scalar = (int32_t)(arg_contents & 0xffffffff); +// break; +// case 64: +// scalar = (int64_t)arg_contents; +// break; +// } +// } +// else +// { +// switch (bit_width) +// { +// default: +// return false; +// case 8: +// scalar = (uint8_t)(arg_contents & 0xff); +// break; +// case 16: +// scalar = (uint16_t)(arg_contents & 0xffff); +// break; +// case 32: +// scalar = (uint32_t)(arg_contents & 0xffffffff); +// break; +// case 64: +// scalar = (uint64_t)arg_contents; +// break; +// } +// } +// +// return true; + return false; +} + +bool +ABIMacOSX_arm::GetArgumentValues (Thread &thread, + ValueList &values) const +{ +// unsigned int num_values = values.GetSize(); +// unsigned int value_index; +// +// // Extract the Clang AST context from the PC so that we can figure out type +// // sizes +// +// clang::ASTContext *ast_context = thread.CalculateTarget()->GetScratchClangASTContext()->getASTContext(); +// +// // Get the pointer to the first stack argument so we have a place to start +// // when reading data +// +// RegisterContext *reg_ctx = thread.GetRegisterContext().get(); +// +// if (!reg_ctx) +// return false; +// +// addr_t sp = reg_ctx->GetSP(0); +// +// if (!sp) +// return false; +// +// addr_t current_stack_argument = sp + 4; // jump over return address +// +// for (value_index = 0; +// value_index < num_values; +// ++value_index) +// { +// Value *value = values.GetValueAtIndex(value_index); +// +// if (!value) +// return false; +// +// // We currently only support extracting values with Clang QualTypes. +// // Do we care about others? +// switch (value->GetContextType()) +// { +// default: +// return false; +// case Value::eContextTypeClangType: +// { +// void *value_type = value->GetClangType(); +// bool is_signed; +// +// if (ClangASTContext::IsIntegerType (value_type, is_signed)) +// { +// size_t bit_width = ClangASTType::GetClangTypeBitWidth(ast_context, value_type); +// +// ReadIntegerArgument(value->GetScalar(), +// bit_width, +// is_signed, +// thread.GetProcess(), +// current_stack_argument); +// } +// else if (ClangASTContext::IsPointerType (value_type)) +// { +// ReadIntegerArgument(value->GetScalar(), +// 32, +// false, +// thread.GetProcess(), +// current_stack_argument); +// } +// } +// break; +// } +// } +// +// return true; + return false; +} + +bool +ABIMacOSX_arm::GetReturnValue (Thread &thread, + Value &value) const +{ +// switch (value.GetContextType()) +// { +// default: +// return false; +// case Value::eContextTypeClangType: +// { +// // Extract the Clang AST context from the PC so that we can figure out type +// // sizes +// +// clang::ASTContext *ast_context = thread.CalculateTarget()->GetScratchClangASTContext()->getASTContext(); +// +// // Get the pointer to the first stack argument so we have a place to start +// // when reading data +// +// RegisterContext *reg_ctx = thread.GetRegisterContext().get(); +// +// void *value_type = value.GetClangType(); +// bool is_signed; +// +// if (ClangASTContext::IsIntegerType (value_type, is_signed)) +// { +// size_t bit_width = ClangASTType::GetClangTypeBitWidth(ast_context, value_type); +// +// unsigned eax_id = reg_ctx->GetRegisterInfoByName("eax", 0)->kinds[eRegisterKindLLDB]; +// unsigned edx_id = reg_ctx->GetRegisterInfoByName("edx", 0)->kinds[eRegisterKindLLDB]; +// +// switch (bit_width) +// { +// default: +// case 128: +// // Scalar can't hold 128-bit literals, so we don't handle this +// return false; +// case 64: +// uint64_t raw_value; +// raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffffffff; +// raw_value |= (thread.GetRegisterContext()->ReadRegisterAsUnsigned(edx_id, 0) & 0xffffffff) << 32; +// if (is_signed) +// value.GetScalar() = (int64_t)raw_value; +// else +// value.GetScalar() = (uint64_t)raw_value; +// break; +// case 32: +// if (is_signed) +// value.GetScalar() = (int32_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffffffff); +// else +// value.GetScalar() = (uint32_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffffffff); +// break; +// case 16: +// if (is_signed) +// value.GetScalar() = (int16_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffff); +// else +// value.GetScalar() = (uint16_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffff); +// break; +// case 8: +// if (is_signed) +// value.GetScalar() = (int8_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xff); +// else +// value.GetScalar() = (uint8_t)(thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xff); +// break; +// } +// } +// else if (ClangASTContext::IsPointerType (value_type)) +// { +// unsigned eax_id = reg_ctx->GetRegisterInfoByName("eax", 0)->kinds[eRegisterKindLLDB]; +// uint32_t ptr = thread.GetRegisterContext()->ReadRegisterAsUnsigned(eax_id, 0) & 0xffffffff; +// value.GetScalar() = ptr; +// } +// else +// { +// // not handled yet +// return false; +// } +// } +// break; +// } +// +// return true; + return false; +} + +bool +ABIMacOSX_arm::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t lr_reg_num = LLDB_INVALID_REGNUM; + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + case eRegisterKindGCC: + lr_reg_num = dwarf_lr; + sp_reg_num = dwarf_sp; + pc_reg_num = dwarf_pc; + break; + + case eRegisterKindGeneric: + lr_reg_num = LLDB_REGNUM_GENERIC_RA; + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (lr_reg_num == LLDB_INVALID_REGNUM || + sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + unwind_plan.Clear(); + unwind_plan.SetRegisterKind (eRegisterKindDWARF); + + UnwindPlan::Row row; + + // Our previous Call Frame Address is the stack pointer + row.SetCFARegister (sp_reg_num); + + // Our previous PC is in the LR + row.SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true); + unwind_plan.AppendRow (row); + + // All other registers are the same. + + unwind_plan.SetSourceName (pluginName); + return true; +} + +bool +ABIMacOSX_arm::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t fp_reg_num = LLDB_INVALID_REGNUM; + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + case eRegisterKindGCC: + fp_reg_num = dwarf_r7; // apple uses r7 for all frames. Normal arm uses r11 + sp_reg_num = dwarf_sp; + pc_reg_num = dwarf_pc; + break; + + case eRegisterKindGeneric: + fp_reg_num = LLDB_REGNUM_GENERIC_FP; + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (fp_reg_num == LLDB_INVALID_REGNUM || + sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + UnwindPlan::Row row; + const int32_t ptr_size = 8; + + unwind_plan.SetRegisterKind (eRegisterKindGeneric); + row.SetCFARegister (fp_reg_num); + row.SetCFAOffset (2 * ptr_size); + row.SetOffset (0); + + row.SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true); + row.SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true); + + unwind_plan.AppendRow (row); + unwind_plan.SetSourceName ("arm-apple-darwin default unwind plan"); + return true; +} + +bool +ABIMacOSX_arm::RegisterIsVolatile (const RegisterInfo *reg_info) +{ + if (reg_info) + { + // Volatile registers include: ebx, ebp, esi, edi, esp, eip + const char *name = reg_info->name; + if (name[0] == 'r') + { + switch (name[1]) + { + case '0': return name[2] == '\0'; // r0 + case '1': + switch (name[2]) + { + case '\0': + return true; // r1 + case '2': + case '3': + return name[2] == '\0'; // r12 - r13 + default: + break; + } + break; + + case '2': return name[2] == '\0'; // r2 + case '3': return name[2] == '\0'; // r3 + case '9': return name[2] == '\0'; // r9 (apple-darwin only...) + + break; + } + } + else if (name[0] == 'd') + { + switch (name[1]) + { + case '0': + return name[2] == '\0'; // d0 + + case '1': + switch (name[2]) + { + case '\0': + return true; // d1; + case '6': + case '7': + case '8': + case '9': + return name[3] == '\0'; // d16 - d19 + default: + break; + } + break; + + case '2': + switch (name[2]) + { + case '\0': + return true; // d2; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + return name[3] == '\0'; // d20 - d29 + default: + break; + } + break; + + case '3': + switch (name[2]) + { + case '\0': + return true; // d3; + case '0': + case '1': + return name[3] == '\0'; // d30 - d31 + default: + break; + } + case '4': + case '5': + case '6': + case '7': + return name[2] == '\0'; // d4 - d7 + + default: + break; + } + } + else if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') + return true; + } + return false; +} + +void +ABIMacOSX_arm::Initialize() +{ + PluginManager::RegisterPlugin (pluginName, + pluginDesc, + CreateInstance); +} + +void +ABIMacOSX_arm::Terminate() +{ + PluginManager::UnregisterPlugin (CreateInstance); +} + +//------------------------------------------------------------------ +// PluginInterface protocol +//------------------------------------------------------------------ +const char * +ABIMacOSX_arm::GetPluginName() +{ + return pluginName; +} + +const char * +ABIMacOSX_arm::GetShortPluginName() +{ + return pluginShort; +} + +uint32_t +ABIMacOSX_arm::GetPluginVersion() +{ + return 1; +} + diff --git a/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h b/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h new file mode 100644 index 00000000000..d1d5dc4c4bc --- /dev/null +++ b/lldb/source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h @@ -0,0 +1,95 @@ +//===-- ABIMacOSX_arm.h ----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_ABIMacOSX_arm_h_ +#define liblldb_ABIMacOSX_arm_h_ + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/lldb-private.h" +#include "lldb/Target/ABI.h" + +class ABIMacOSX_arm : public lldb_private::ABI +{ +public: + ~ABIMacOSX_arm() { } + + virtual size_t + GetRedZoneSize () const; + + virtual bool + PrepareTrivialCall (lldb_private::Thread &thread, + lldb::addr_t sp, + lldb::addr_t functionAddress, + lldb::addr_t returnAddress, + lldb::addr_t arg, + lldb::addr_t *this_arg, + lldb::addr_t *cmd_arg) const; + + virtual bool + PrepareNormalCall (lldb_private::Thread &thread, + lldb::addr_t sp, + lldb::addr_t functionAddress, + lldb::addr_t returnAddress, + lldb_private::ValueList &args) const; + + virtual bool + GetArgumentValues (lldb_private::Thread &thread, + lldb_private::ValueList &values) const; + + virtual bool + GetReturnValue (lldb_private::Thread &thread, + lldb_private::Value &value) const; + + virtual bool + CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info); + + + //------------------------------------------------------------------ + // Static Functions + //------------------------------------------------------------------ + static void + Initialize(); + + static void + Terminate(); + + static lldb::ABISP + CreateInstance (const lldb_private::ArchSpec &arch); + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + virtual const char * + GetPluginName(); + + virtual const char * + GetShortPluginName(); + + virtual uint32_t + GetPluginVersion(); + +protected: +private: + ABIMacOSX_arm() : + lldb_private::ABI() + { + // Call CreateInstance instead. + } +}; + +#endif // liblldb_ABIMacOSX_arm_h_ diff --git a/lldb/source/Plugins/ABI/MacOSX-arm/Makefile b/lldb/source/Plugins/ABI/MacOSX-arm/Makefile new file mode 100644 index 00000000000..18073266d34 --- /dev/null +++ b/lldb/source/Plugins/ABI/MacOSX-arm/Makefile @@ -0,0 +1,14 @@ +##===- source/Plugins/ABI/MacOSX-arm/Makefile ------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===--------------------------------------------------------------------===## + +LLDB_LEVEL := ../../../.. +LIBRARYNAME := lldbPluginABIMacOSX_arm +BUILD_ARCHIVE = 1 + +include $(LLDB_LEVEL)/Makefile diff --git a/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.cpp b/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.cpp index a65a2efa78f..8c9df142890 100644 --- a/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.cpp +++ b/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.cpp @@ -15,6 +15,7 @@ #include "lldb/Core/PluginManager.h" #include "lldb/Core/Scalar.h" #include "lldb/Symbol/ClangASTContext.h" +#include "lldb/Symbol/UnwindPlan.h" #include "lldb/Target/Process.h" #include "lldb/Target/RegisterContext.h" #include "lldb/Target/Target.h" @@ -40,13 +41,17 @@ ABIMacOSX_i386::GetRedZoneSize () const //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ -lldb_private::ABI * +ABISP ABIMacOSX_i386::CreateInstance (const ArchSpec &arch) { + static ABISP g_abi_sp; if (arch.GetTriple().getArch() == llvm::Triple::x86) - return new ABIMacOSX_i386; - - return NULL; + { + if (!g_abi_sp) + g_abi_sp.reset (new ABIMacOSX_i386); + return g_abi_sp; + } + return ABISP(); } bool @@ -560,6 +565,145 @@ ABIMacOSX_i386::GetReturnValue (Thread &thread, return true; } +bool +ABIMacOSX_i386::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + sp_reg_num = dwarf_esp; + pc_reg_num = dwarf_eip; + break; + + case eRegisterKindGCC: + sp_reg_num = gcc_esp; + pc_reg_num = gcc_eip; + break; + + case eRegisterKindGDB: + sp_reg_num = gdb_esp; + pc_reg_num = gdb_eip; + break; + + case eRegisterKindGeneric: + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + UnwindPlan::Row row; + row.SetCFARegister (sp_reg_num); + row.SetCFAOffset (4); + row.SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -4, false); + unwind_plan.AppendRow (row); + unwind_plan.SetSourceName (pluginName); + return true; +} + +bool +ABIMacOSX_i386::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t fp_reg_num = LLDB_INVALID_REGNUM; + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + fp_reg_num = dwarf_ebp; + sp_reg_num = dwarf_esp; + pc_reg_num = dwarf_eip; + break; + + case eRegisterKindGCC: + fp_reg_num = gcc_ebp; + sp_reg_num = gcc_esp; + pc_reg_num = gcc_eip; + break; + + case eRegisterKindGDB: + fp_reg_num = gdb_ebp; + sp_reg_num = gdb_esp; + pc_reg_num = gdb_eip; + break; + + case eRegisterKindGeneric: + fp_reg_num = LLDB_REGNUM_GENERIC_FP; + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (fp_reg_num == LLDB_INVALID_REGNUM || + sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + UnwindPlan::Row row; + const int32_t ptr_size = 4; + + unwind_plan.SetRegisterKind (eRegisterKindGeneric); + row.SetCFARegister (fp_reg_num); + row.SetCFAOffset (2 * ptr_size); + row.SetOffset (0); + + row.SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true); + row.SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true); + row.SetRegisterLocationToAtCFAPlusOffset(sp_reg_num, ptr_size * 0, true); + + unwind_plan.AppendRow (row); + unwind_plan.SetSourceName ("i386 default unwind plan"); + return true; +} + +bool +ABIMacOSX_i386::RegisterIsVolatile (const RegisterInfo *reg_info) +{ + return RegisterIsCalleeSaved (reg_info); +} + +bool +ABIMacOSX_i386::RegisterIsCalleeSaved (const RegisterInfo *reg_info) +{ + if (reg_info) + { + // Volatile registers include: ebx, ebp, esi, edi, esp, eip + const char *name = reg_info->name; + if (name[0] == 'e') + { + switch (name[1]) + { + case 'b': + if (name[2] == 'x' || name[2] == 'p') + return name[0] == '\0'; + break; + case 'd': + if (name[2] == 'i') + return name[0] == '\0'; + break; + case 'i': + if (name[2] == 'p') + return name[0] == '\0'; + break; + case 's': + if (name[2] == 'i' || name[2] == 'p') + return name[0] == '\0'; + break; + } + } + } + return false; +} + void ABIMacOSX_i386::Initialize() { diff --git a/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h b/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h index 20dbc4af5ec..e50330fda76 100644 --- a/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h +++ b/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h @@ -17,71 +17,195 @@ #include "lldb/lldb-private.h" #include "lldb/Target/ABI.h" #include "lldb/Core/Value.h" - -namespace lldb_private { - class ABIMacOSX_i386 : +class ABIMacOSX_i386 : public lldb_private::ABI +{ +public: + + enum { - public: - ~ABIMacOSX_i386() { } - - virtual size_t - GetRedZoneSize () const; - - virtual bool - PrepareTrivialCall (Thread &thread, - lldb::addr_t sp, - lldb::addr_t functionAddress, - lldb::addr_t returnAddress, - lldb::addr_t arg, - lldb::addr_t *this_arg, - lldb::addr_t *cmd_arg) const; - - virtual bool - PrepareNormalCall (Thread &thread, - lldb::addr_t sp, - lldb::addr_t functionAddress, - lldb::addr_t returnAddress, - ValueList &args) const; - - virtual bool - GetArgumentValues (Thread &thread, - ValueList &values) const; - - virtual bool - GetReturnValue (Thread &thread, - Value &value) const; - - //------------------------------------------------------------------ - // Static Functions - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static lldb_private::ABI * - CreateInstance (const ArchSpec &arch); - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - virtual const char * - GetPluginName(); - - virtual const char * - GetShortPluginName(); - - virtual uint32_t - GetPluginVersion(); - - protected: - private: - ABIMacOSX_i386() : lldb_private::ABI() { } // Call CreateInstance instead. + gcc_eax = 0, + gcc_ecx, + gcc_edx, + gcc_ebx, + gcc_ebp, + gcc_esp, + gcc_esi, + gcc_edi, + gcc_eip, + gcc_eflags }; -} // namespace lldb_private + enum + { + dwarf_eax = 0, + dwarf_ecx, + dwarf_edx, + dwarf_ebx, + dwarf_esp, + dwarf_ebp, + dwarf_esi, + dwarf_edi, + dwarf_eip, + dwarf_eflags, + dwarf_stmm0 = 11, + dwarf_stmm1, + dwarf_stmm2, + dwarf_stmm3, + dwarf_stmm4, + dwarf_stmm5, + dwarf_stmm6, + dwarf_stmm7, + dwarf_xmm0 = 21, + dwarf_xmm1, + dwarf_xmm2, + dwarf_xmm3, + dwarf_xmm4, + dwarf_xmm5, + dwarf_xmm6, + dwarf_xmm7, + dwarf_ymm0 = dwarf_xmm0, + dwarf_ymm1 = dwarf_xmm1, + dwarf_ymm2 = dwarf_xmm2, + dwarf_ymm3 = dwarf_xmm3, + dwarf_ymm4 = dwarf_xmm4, + dwarf_ymm5 = dwarf_xmm5, + dwarf_ymm6 = dwarf_xmm6, + dwarf_ymm7 = dwarf_xmm7, + }; + + enum + { + gdb_eax = 0, + gdb_ecx = 1, + gdb_edx = 2, + gdb_ebx = 3, + gdb_esp = 4, + gdb_ebp = 5, + gdb_esi = 6, + gdb_edi = 7, + gdb_eip = 8, + gdb_eflags = 9, + gdb_cs = 10, + gdb_ss = 11, + gdb_ds = 12, + gdb_es = 13, + gdb_fs = 14, + gdb_gs = 15, + gdb_stmm0 = 16, + gdb_stmm1 = 17, + gdb_stmm2 = 18, + gdb_stmm3 = 19, + gdb_stmm4 = 20, + gdb_stmm5 = 21, + gdb_stmm6 = 22, + gdb_stmm7 = 23, + gdb_fctrl = 24, gdb_fcw = gdb_fctrl, + gdb_fstat = 25, gdb_fsw = gdb_fstat, + gdb_ftag = 26, gdb_ftw = gdb_ftag, + gdb_fiseg = 27, gdb_fpu_cs = gdb_fiseg, + gdb_fioff = 28, gdb_ip = gdb_fioff, + gdb_foseg = 29, gdb_fpu_ds = gdb_foseg, + gdb_fooff = 30, gdb_dp = gdb_fooff, + gdb_fop = 31, + gdb_xmm0 = 32, + gdb_xmm1 = 33, + gdb_xmm2 = 34, + gdb_xmm3 = 35, + gdb_xmm4 = 36, + gdb_xmm5 = 37, + gdb_xmm6 = 38, + gdb_xmm7 = 39, + gdb_mxcsr = 40, + gdb_mm0 = 41, + gdb_mm1 = 42, + gdb_mm2 = 43, + gdb_mm3 = 44, + gdb_mm4 = 45, + gdb_mm5 = 46, + gdb_mm6 = 47, + gdb_mm7 = 48, + gdb_ymm0 = gdb_xmm0, + gdb_ymm1 = gdb_xmm1, + gdb_ymm2 = gdb_xmm2, + gdb_ymm3 = gdb_xmm3, + gdb_ymm4 = gdb_xmm4, + gdb_ymm5 = gdb_xmm5, + gdb_ymm6 = gdb_xmm6, + gdb_ymm7 = gdb_xmm7 + }; + + ~ABIMacOSX_i386() { } + + virtual size_t + GetRedZoneSize () const; + + virtual bool + PrepareTrivialCall (lldb_private::Thread &thread, + lldb::addr_t sp, + lldb::addr_t functionAddress, + lldb::addr_t returnAddress, + lldb::addr_t arg, + lldb::addr_t *this_arg, + lldb::addr_t *cmd_arg) const; + + virtual bool + PrepareNormalCall (lldb_private::Thread &thread, + lldb::addr_t sp, + lldb::addr_t functionAddress, + lldb::addr_t returnAddress, + lldb_private::ValueList &args) const; + + virtual bool + GetArgumentValues (lldb_private::Thread &thread, + lldb_private::ValueList &values) const; + + virtual bool + GetReturnValue (lldb_private::Thread &thread, + lldb_private::Value &value) const; + + virtual bool + CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info); + + + //------------------------------------------------------------------ + // Static Functions + //------------------------------------------------------------------ + static void + Initialize(); + + static void + Terminate(); + + static lldb::ABISP + CreateInstance (const lldb_private::ArchSpec &arch); + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + virtual const char * + GetPluginName(); + + virtual const char * + GetShortPluginName(); + + virtual uint32_t + GetPluginVersion(); + +protected: + bool + RegisterIsCalleeSaved (const lldb_private::RegisterInfo *reg_info); + +private: + ABIMacOSX_i386() : lldb_private::ABI() { } // Call CreateInstance instead. +}; + #endif // liblldb_ABI_h_ diff --git a/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp b/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp index 5c2cd7403ec..3ee0562b7e8 100644 --- a/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp +++ b/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp @@ -17,6 +17,7 @@ #include "lldb/Core/PluginManager.h" #include "lldb/Core/Value.h" #include "lldb/Symbol/ClangASTContext.h" +#include "lldb/Symbol/UnwindPlan.h" #include "lldb/Target/Target.h" #include "lldb/Target/Process.h" #include "lldb/Target/RegisterContext.h" @@ -32,6 +33,8 @@ static const char *pluginName = "ABISysV_x86_64"; static const char *pluginDesc = "System V ABI for x86_64 targets"; static const char *pluginShort = "abi.sysv-x86_64"; + + size_t ABISysV_x86_64::GetRedZoneSize () const { @@ -41,12 +44,17 @@ ABISysV_x86_64::GetRedZoneSize () const //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ -lldb_private::ABI * +ABISP ABISysV_x86_64::CreateInstance (const ArchSpec &arch) { + static ABISP g_abi_sp; if (arch.GetTriple().getArch() == llvm::Triple::x86_64) - return new ABISysV_x86_64; - return NULL; + { + if (!g_abi_sp) + g_abi_sp.reset (new ABISysV_x86_64); + return g_abi_sp; + } + return ABISP(); } bool @@ -446,6 +454,143 @@ ABISysV_x86_64::GetReturnValue (Thread &thread, return true; } +bool +ABISysV_x86_64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + case eRegisterKindGCC: + sp_reg_num = gcc_dwarf_rsp; + pc_reg_num = gcc_dwarf_rip; + break; + + case eRegisterKindGDB: + sp_reg_num = gdb_rsp; + pc_reg_num = gdb_rip; + break; + + case eRegisterKindGeneric: + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + UnwindPlan::Row row; + row.SetCFARegister (sp_reg_num); + row.SetCFAOffset (8); + row.SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -8, false); + unwind_plan.AppendRow (row); + unwind_plan.SetSourceName (pluginName); + return true; +} + +bool +ABISysV_x86_64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) +{ + uint32_t reg_kind = unwind_plan.GetRegisterKind(); + uint32_t fp_reg_num = LLDB_INVALID_REGNUM; + uint32_t sp_reg_num = LLDB_INVALID_REGNUM; + uint32_t pc_reg_num = LLDB_INVALID_REGNUM; + + switch (reg_kind) + { + case eRegisterKindDWARF: + case eRegisterKindGCC: + fp_reg_num = gcc_dwarf_rbp; + sp_reg_num = gcc_dwarf_rsp; + pc_reg_num = gcc_dwarf_rip; + break; + + case eRegisterKindGDB: + fp_reg_num = gdb_rbp; + sp_reg_num = gdb_rsp; + pc_reg_num = gdb_rip; + break; + + case eRegisterKindGeneric: + fp_reg_num = LLDB_REGNUM_GENERIC_FP; + sp_reg_num = LLDB_REGNUM_GENERIC_SP; + pc_reg_num = LLDB_REGNUM_GENERIC_PC; + break; + } + + if (fp_reg_num == LLDB_INVALID_REGNUM || + sp_reg_num == LLDB_INVALID_REGNUM || + pc_reg_num == LLDB_INVALID_REGNUM) + return false; + + UnwindPlan::Row row; + + const int32_t ptr_size = 8; + row.SetCFARegister (LLDB_REGNUM_GENERIC_FP); + row.SetCFAOffset (2 * ptr_size); + row.SetOffset (0); + + row.SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true); + row.SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true); + row.SetRegisterLocationToAtCFAPlusOffset(sp_reg_num, ptr_size * 0, true); + + unwind_plan.AppendRow (row); + unwind_plan.SetSourceName ("x86_64 default unwind plan"); + return true; +} + +bool +ABISysV_x86_64::RegisterIsVolatile (const RegisterInfo *reg_info) +{ + return !RegisterIsCalleeSaved (reg_info); +} + +bool +ABISysV_x86_64::RegisterIsCalleeSaved (const RegisterInfo *reg_info) +{ + if (reg_info) + { + // Volatile registers include: rbx, rbp, rsp, r12, r13, r14, r15, rip + const char *name = reg_info->name; + if (name[0] == 'r') + { + switch (name[1]) + { + case '1': // r12, r13, r14, r15 + if (name[2] >= '2' && name[2] <= '5') + return name[3] == '\0'; + break; + + case 'b': // rbp, rbx + if (name[2] == 'p' || name[2] == 'x') + return name[3] == '\0'; + break; + + case 'i': // rip + if (name[2] == 'p') + return name[3] == '\0'; + break; + + case 's': // rsp + if (name[2] == 'p') + return name[3] == '\0'; + break; + + default: + break; + } + } + } + return false; +} + + + void ABISysV_x86_64::Initialize() { diff --git a/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h b/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h index beb617891c2..e1ac132da8d 100644 --- a/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h +++ b/lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h @@ -17,19 +17,158 @@ #include "lldb/lldb-private.h" #include "lldb/Target/ABI.h" -namespace lldb_private { - class ABISysV_x86_64 : public lldb_private::ABI { public: - ~ABISysV_x86_64() { } + + enum gcc_dwarf_regnums + { + gcc_dwarf_rax = 0, + gcc_dwarf_rdx, + gcc_dwarf_rcx, + gcc_dwarf_rbx, + gcc_dwarf_rsi, + gcc_dwarf_rdi, + gcc_dwarf_rbp, + gcc_dwarf_rsp, + gcc_dwarf_r8, + gcc_dwarf_r9, + gcc_dwarf_r10, + gcc_dwarf_r11, + gcc_dwarf_r12, + gcc_dwarf_r13, + gcc_dwarf_r14, + gcc_dwarf_r15, + gcc_dwarf_rip, + gcc_dwarf_xmm0, + gcc_dwarf_xmm1, + gcc_dwarf_xmm2, + gcc_dwarf_xmm3, + gcc_dwarf_xmm4, + gcc_dwarf_xmm5, + gcc_dwarf_xmm6, + gcc_dwarf_xmm7, + gcc_dwarf_xmm8, + gcc_dwarf_xmm9, + gcc_dwarf_xmm10, + gcc_dwarf_xmm11, + gcc_dwarf_xmm12, + gcc_dwarf_xmm13, + gcc_dwarf_xmm14, + gcc_dwarf_xmm15, + gcc_dwarf_stmm0, + gcc_dwarf_stmm1, + gcc_dwarf_stmm2, + gcc_dwarf_stmm3, + gcc_dwarf_stmm4, + gcc_dwarf_stmm5, + gcc_dwarf_stmm6, + gcc_dwarf_stmm7, + gcc_dwarf_ymm0 = gcc_dwarf_xmm0, + gcc_dwarf_ymm1 = gcc_dwarf_xmm1, + gcc_dwarf_ymm2 = gcc_dwarf_xmm2, + gcc_dwarf_ymm3 = gcc_dwarf_xmm3, + gcc_dwarf_ymm4 = gcc_dwarf_xmm4, + gcc_dwarf_ymm5 = gcc_dwarf_xmm5, + gcc_dwarf_ymm6 = gcc_dwarf_xmm6, + gcc_dwarf_ymm7 = gcc_dwarf_xmm7, + gcc_dwarf_ymm8 = gcc_dwarf_xmm8, + gcc_dwarf_ymm9 = gcc_dwarf_xmm9, + gcc_dwarf_ymm10 = gcc_dwarf_xmm10, + gcc_dwarf_ymm11 = gcc_dwarf_xmm11, + gcc_dwarf_ymm12 = gcc_dwarf_xmm12, + gcc_dwarf_ymm13 = gcc_dwarf_xmm13, + gcc_dwarf_ymm14 = gcc_dwarf_xmm14, + gcc_dwarf_ymm15 = gcc_dwarf_xmm15 + }; + + enum gdb_regnums + { + gdb_rax = 0, + gdb_rbx = 1, + gdb_rcx = 2, + gdb_rdx = 3, + gdb_rsi = 4, + gdb_rdi = 5, + gdb_rbp = 6, + gdb_rsp = 7, + gdb_r8 = 8, + gdb_r9 = 9, + gdb_r10 = 10, + gdb_r11 = 11, + gdb_r12 = 12, + gdb_r13 = 13, + gdb_r14 = 14, + gdb_r15 = 15, + gdb_rip = 16, + gdb_rflags = 17, + gdb_cs = 18, + gdb_ss = 19, + gdb_ds = 20, + gdb_es = 21, + gdb_fs = 22, + gdb_gs = 23, + gdb_stmm0 = 24, + gdb_stmm1 = 25, + gdb_stmm2 = 26, + gdb_stmm3 = 27, + gdb_stmm4 = 28, + gdb_stmm5 = 29, + gdb_stmm6 = 30, + gdb_stmm7 = 31, + gdb_fctrl = 32, gdb_fcw = gdb_fctrl, + gdb_fstat = 33, gdb_fsw = gdb_fstat, + gdb_ftag = 34, gdb_ftw = gdb_ftag, + gdb_fiseg = 35, gdb_fpu_cs = gdb_fiseg, + gdb_fioff = 36, gdb_ip = gdb_fioff, + gdb_foseg = 37, gdb_fpu_ds = gdb_foseg, + gdb_fooff = 38, gdb_dp = gdb_fooff, + gdb_fop = 39, + gdb_xmm0 = 40, + gdb_xmm1 = 41, + gdb_xmm2 = 42, + gdb_xmm3 = 43, + gdb_xmm4 = 44, + gdb_xmm5 = 45, + gdb_xmm6 = 46, + gdb_xmm7 = 47, + gdb_xmm8 = 48, + gdb_xmm9 = 49, + gdb_xmm10 = 50, + gdb_xmm11 = 51, + gdb_xmm12 = 52, + gdb_xmm13 = 53, + gdb_xmm14 = 54, + gdb_xmm15 = 55, + gdb_mxcsr = 56, + gdb_ymm0 = gdb_xmm0, + gdb_ymm1 = gdb_xmm1, + gdb_ymm2 = gdb_xmm2, + gdb_ymm3 = gdb_xmm3, + gdb_ymm4 = gdb_xmm4, + gdb_ymm5 = gdb_xmm5, + gdb_ymm6 = gdb_xmm6, + gdb_ymm7 = gdb_xmm7, + gdb_ymm8 = gdb_xmm8, + gdb_ymm9 = gdb_xmm9, + gdb_ymm10 = gdb_xmm10, + gdb_ymm11 = gdb_xmm11, + gdb_ymm12 = gdb_xmm12, + gdb_ymm13 = gdb_xmm13, + gdb_ymm14 = gdb_xmm14, + gdb_ymm15 = gdb_xmm15 + }; + + ~ABISysV_x86_64() + { + } virtual size_t GetRedZoneSize () const; virtual bool - PrepareTrivialCall (Thread &thread, + PrepareTrivialCall (lldb_private::Thread &thread, lldb::addr_t sp, lldb::addr_t functionAddress, lldb::addr_t returnAddress, @@ -38,19 +177,28 @@ public: lldb::addr_t *cmd_arg) const; virtual bool - PrepareNormalCall (Thread &thread, + PrepareNormalCall (lldb_private::Thread &thread, lldb::addr_t sp, lldb::addr_t functionAddress, lldb::addr_t returnAddress, - ValueList &args) const; + lldb_private::ValueList &args) const; + + virtual bool + GetArgumentValues (lldb_private::Thread &thread, + lldb_private::ValueList &values) const; virtual bool - GetArgumentValues (Thread &thread, - ValueList &values) const; + GetReturnValue (lldb_private::Thread &thread, + lldb_private::Value &value) const; virtual bool - GetReturnValue (Thread &thread, - Value &value) const; + CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan); + + virtual bool + RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info); //------------------------------------------------------------------ // Static Functions @@ -61,8 +209,8 @@ public: static void Terminate(); - static lldb_private::ABI * - CreateInstance (const ArchSpec &arch); + static lldb::ABISP + CreateInstance (const lldb_private::ArchSpec &arch); //------------------------------------------------------------------ // PluginInterface protocol @@ -77,10 +225,12 @@ public: GetPluginVersion(); protected: + + bool + RegisterIsCalleeSaved (const lldb_private::RegisterInfo *reg_info); + private: ABISysV_x86_64() : lldb_private::ABI() { } // Call CreateInstance instead. }; -} // namespace lldb_private - #endif // liblldb_ABI_h_ diff --git a/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.cpp b/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.cpp deleted file mode 100644 index 4be89faaca5..00000000000 --- a/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.cpp +++ /dev/null @@ -1,193 +0,0 @@ -//===-- ArchDefaultUnwindPlan-x86.cpp --------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "ArchDefaultUnwindPlan-x86.h" -#include "lldb/Core/ArchSpec.h" -#include "lldb/Core/PluginManager.h" -#include "lldb/Target/ArchDefaultUnwindPlan.h" - -using namespace lldb; -using namespace lldb_private; - -ArchDefaultUnwindPlan * -ArchDefaultUnwindPlan_x86_64::CreateInstance (const ArchSpec &arch) -{ - if (arch.GetMachine () == llvm::Triple::x86_64) - return new ArchDefaultUnwindPlan_x86_64 (); - return NULL; -} - -ArchDefaultUnwindPlan_x86_64::ArchDefaultUnwindPlan_x86_64() : - ArchDefaultUnwindPlan(), - m_unwind_plan_sp (new UnwindPlan) -{ - UnwindPlan::Row row; - UnwindPlan::Row::RegisterLocation regloc; - - m_unwind_plan_sp->SetRegisterKind (eRegisterKindGeneric); - row.SetCFARegister (LLDB_REGNUM_GENERIC_FP); - row.SetCFAOffset (2 * 8); - row.SetOffset (0); - - regloc.SetAtCFAPlusOffset (2 * -8); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc); - regloc.SetAtCFAPlusOffset (1 * -8); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc); - regloc.SetIsCFAPlusOffset (0); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc); - - m_unwind_plan_sp->AppendRow (row); - m_unwind_plan_sp->SetSourceName ("x86_64 architectural default"); -} - -//------------------------------------------------------------------ -// PluginInterface protocol in UnwindAssemblyParser_x86 -//------------------------------------------------------------------ - -const char * -ArchDefaultUnwindPlan_x86_64::GetPluginName() -{ - return "ArchDefaultUnwindPlan_x86_64"; -} - -const char * -ArchDefaultUnwindPlan_x86_64::GetShortPluginName() -{ - return "lldb.arch-default-unwind-plan.x86-64"; -} - - -uint32_t -ArchDefaultUnwindPlan_x86_64::GetPluginVersion() -{ - return 1; -} -void -ArchDefaultUnwindPlan_x86_64::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); -} - -void -ArchDefaultUnwindPlan_x86_64::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - - -const char * -ArchDefaultUnwindPlan_x86_64::GetPluginNameStatic() -{ - return "ArchDefaultUnwindPlan_x86_64"; -} - -const char * -ArchDefaultUnwindPlan_x86_64::GetPluginDescriptionStatic() -{ - return "x86_64 architecture default unwind plan assembly plugin."; -} - -UnwindPlanSP -ArchDefaultUnwindPlan_x86_64::GetArchDefaultUnwindPlan (Thread& thread, - const Address ¤t_pc) -{ - return m_unwind_plan_sp; -} - - - -ArchDefaultUnwindPlan * -ArchDefaultUnwindPlan_i386::CreateInstance (const ArchSpec &arch) -{ - if (arch.GetMachine () == llvm::Triple::x86) - return new ArchDefaultUnwindPlan_i386 (); - return NULL; -} - -ArchDefaultUnwindPlan_i386::ArchDefaultUnwindPlan_i386() : - ArchDefaultUnwindPlan(), - m_unwind_plan_sp (new UnwindPlan) -{ - UnwindPlan::Row row; - UnwindPlan::Row::RegisterLocation regloc; - - m_unwind_plan_sp->SetRegisterKind (eRegisterKindGeneric); - row.SetCFARegister (LLDB_REGNUM_GENERIC_FP); - row.SetCFAOffset (2 * 4); - row.SetOffset (0); - - regloc.SetAtCFAPlusOffset (2 * -4); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc); - regloc.SetAtCFAPlusOffset (1 * -4); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc); - regloc.SetIsCFAPlusOffset (0); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc); - - m_unwind_plan_sp->AppendRow (row); - m_unwind_plan_sp->SetSourceName ("i386 architectural default"); -} - -//------------------------------------------------------------------ -// PluginInterface protocol in UnwindAssemblyParser_x86 -//------------------------------------------------------------------ - -const char * -ArchDefaultUnwindPlan_i386::GetPluginName() -{ - return "ArchDefaultUnwindPlan_i386"; -} - -const char * -ArchDefaultUnwindPlan_i386::GetShortPluginName() -{ - return "archdefaultunwindplan.x86"; -} - - -uint32_t -ArchDefaultUnwindPlan_i386::GetPluginVersion() -{ - return 1; -} - -void -ArchDefaultUnwindPlan_i386::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); -} - -void -ArchDefaultUnwindPlan_i386::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - - -const char * -ArchDefaultUnwindPlan_i386::GetPluginNameStatic() -{ - return "ArchDefaultUnwindPlan_i386"; -} - -const char * -ArchDefaultUnwindPlan_i386::GetPluginDescriptionStatic() -{ - return "i386 architecture default unwind plan assembly plugin."; -} - -UnwindPlanSP -ArchDefaultUnwindPlan_i386::GetArchDefaultUnwindPlan (Thread& thread, const Address ¤t_pc) -{ - return m_unwind_plan_sp; -} - diff --git a/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.h b/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.h deleted file mode 100644 index ce5abb1c0d8..00000000000 --- a/lldb/source/Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.h +++ /dev/null @@ -1,104 +0,0 @@ -//===-- ArchDefaultUnwindPlan-x86.h ----------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef liblldb_ArchDefaultUnwindPlan_x86_h_ -#define liblldb_ArchDefaultUnwindPlan_x86_h_ - -#include "lldb/lldb-private.h" -#include "lldb/Target/ArchDefaultUnwindPlan.h" -#include "lldb/Target/Thread.h" -#include "lldb/Symbol/UnwindPlan.h" - -class ArchDefaultUnwindPlan_x86_64 : public lldb_private::ArchDefaultUnwindPlan -{ -public: - - ~ArchDefaultUnwindPlan_x86_64 () { } - - virtual lldb::UnwindPlanSP - GetArchDefaultUnwindPlan (lldb_private::Thread& thread, - const lldb_private::Address ¤t_pc); - - static lldb_private::ArchDefaultUnwindPlan * - CreateInstance (const lldb_private::ArchSpec &arch); - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static const char * - GetPluginNameStatic(); - - static const char * - GetPluginDescriptionStatic(); - - virtual const char * - GetPluginName(); - - virtual const char * - GetShortPluginName(); - - virtual uint32_t - GetPluginVersion(); - -private: - ArchDefaultUnwindPlan_x86_64(); // Call CreateInstance instead. - - lldb::UnwindPlanSP m_unwind_plan_sp; -}; - -class ArchDefaultUnwindPlan_i386 : public lldb_private::ArchDefaultUnwindPlan -{ -public: - - ~ArchDefaultUnwindPlan_i386 () { } - - virtual lldb::UnwindPlanSP - GetArchDefaultUnwindPlan (lldb_private::Thread& thread, - const lldb_private::Address& current_pc); - - static lldb_private::ArchDefaultUnwindPlan * - CreateInstance (const lldb_private::ArchSpec &arch); - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static const char * - GetPluginNameStatic(); - - static const char * - GetPluginDescriptionStatic(); - - virtual const char * - GetPluginName(); - - virtual const char * - GetShortPluginName(); - - virtual uint32_t - GetPluginVersion(); - -private: - ArchDefaultUnwindPlan_i386(); // Call CreateInstance instead. - - lldb::UnwindPlanSP m_unwind_plan_sp; -}; - -#endif // liblldb_UnwindAssembly_x86_h_ diff --git a/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.cpp b/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.cpp deleted file mode 100644 index 915dbf9bb7e..00000000000 --- a/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.cpp +++ /dev/null @@ -1,150 +0,0 @@ -//===-- ArchVolatileRegs-x86.cpp --------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "ArchVolatileRegs-x86.h" - -#include <set> - -#include "llvm/Support/MachO.h" - -#include "lldb/Core/ArchSpec.h" -#include "lldb/Core/PluginManager.h" -#include "lldb/Target/ArchVolatileRegs.h" -#include "lldb/Target/Thread.h" -#include "lldb/Target/RegisterContext.h" - - -using namespace lldb; -using namespace lldb_private; - -bool -ArchVolatileRegs_x86::RegisterIsVolatile (Thread& thread, uint32_t regnum) -{ - initialize_regset (thread); - if (m_non_volatile_regs.find (regnum) == m_non_volatile_regs.end()) - return true; - else - return false; -} - -lldb_private::ArchVolatileRegs * -ArchVolatileRegs_x86::CreateInstance (const lldb_private::ArchSpec &arch) -{ - llvm::Triple::ArchType cpu = arch.GetMachine (); - if (cpu == llvm::Triple::x86 || cpu == llvm::Triple::x86_64) - return new ArchVolatileRegs_x86 (cpu); - return NULL; -} - -ArchVolatileRegs_x86::ArchVolatileRegs_x86(llvm::Triple::ArchType cpu) : - lldb_private::ArchVolatileRegs(), - m_cpu(cpu), - m_non_volatile_regs() -{ -} - -void -ArchVolatileRegs_x86::initialize_regset(Thread& thread) -{ - if (m_non_volatile_regs.size() > 0) - return; - - - RegisterContext *reg_ctx = thread.GetRegisterContext().get(); - const RegisterInfo *ri; - - const char *x86_64_regnames[] = { "rbx", - "rsp", - "rbp", - "r12", - "r13", - "r14", - "r15", - "rip" }; - - const char *i386_regnames[] = { "ebx", - "ebp", - "esi", - "edi", - "esp", - "eip" }; - - - const char **names; - int namecount; - if (m_cpu == llvm::Triple::x86_64) - { - names = x86_64_regnames; - namecount = sizeof (x86_64_regnames) / sizeof (char *); - } - else - { - assert (m_cpu == llvm::Triple::x86); - names = i386_regnames; - namecount = sizeof (i386_regnames) / sizeof (char *); - } - - for (int i = 0; i < namecount; i++) - { - ri = reg_ctx->GetRegisterInfoByName (names[i]); - if (ri) - m_non_volatile_regs.insert (ri->kinds[eRegisterKindLLDB]); - } -} - - -//------------------------------------------------------------------ -// PluginInterface protocol in ArchVolatileRegs_x86 -//------------------------------------------------------------------ - -const char * -ArchVolatileRegs_x86::GetPluginName() -{ - return "ArchVolatileRegs_x86"; -} - -const char * -ArchVolatileRegs_x86::GetShortPluginName() -{ - return "archvolatileregs.x86"; -} - - -uint32_t -ArchVolatileRegs_x86::GetPluginVersion() -{ - return 1; -} - -void -ArchVolatileRegs_x86::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); -} - -void -ArchVolatileRegs_x86::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - - -const char * -ArchVolatileRegs_x86::GetPluginNameStatic() -{ - return "ArchVolatileRegs_x86"; -} - -const char * -ArchVolatileRegs_x86::GetPluginDescriptionStatic() -{ - return "i386 and x86_64 architecture volatile register information."; -} diff --git a/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.h b/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.h deleted file mode 100644 index c01bef581d7..00000000000 --- a/lldb/source/Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.h +++ /dev/null @@ -1,63 +0,0 @@ -//===-- ArchVolatileRegs-x86.h ----------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef liblldb_ArchVolatileRegs_x86_h_ -#define liblldb_ArchVolatileRegs_x86_h_ - -#include "lldb/lldb-private.h" -#include "lldb/Core/ArchSpec.h" -#include "lldb/Target/ArchVolatileRegs.h" -#include <set> - -class ArchVolatileRegs_x86 : public lldb_private::ArchVolatileRegs -{ -public: - - ~ArchVolatileRegs_x86 () { } - - bool - RegisterIsVolatile (lldb_private::Thread& thread, uint32_t regnum); - - static lldb_private::ArchVolatileRegs * - CreateInstance (const lldb_private::ArchSpec &arch); - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static const char * - GetPluginNameStatic(); - - static const char * - GetPluginDescriptionStatic(); - - virtual const char * - GetPluginName(); - - virtual const char * - GetShortPluginName(); - - virtual uint32_t - GetPluginVersion(); - -private: - ArchVolatileRegs_x86(llvm::Triple::ArchType cpu); // Call CreateInstance instead. - - void initialize_regset(lldb_private::Thread& thread); - - llvm::Triple::ArchType m_cpu; - std::set<int> m_non_volatile_regs; -}; - -#endif // liblldb_ArchVolatileRegs_x86_h_ diff --git a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp index 91f1f1c0438..48e5c7f3ca7 100644 --- a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp +++ b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp @@ -576,7 +576,7 @@ EmulateInstructionARM::EmulateADDRdSPImm (const uint32_t opcode, const ARMEncodi addr_t addr = sp + sp_offset; // a pointer to the stack area EmulateInstruction::Context context; - context.type = EmulateInstruction::eContextAdjustStackPointer; + context.type = eContextSetFramePointer; RegisterInfo sp_reg; GetRegisterInfo (eRegisterKindDWARF, dwarf_sp, sp_reg); context.SetRegisterPlusOffset (sp_reg, sp_offset); @@ -13413,17 +13413,16 @@ EmulateInstructionARM::TestEmulation (Stream *out_stream, ArchSpec &arch, Option bool EmulateInstructionARM::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan) { + unwind_plan.Clear(); unwind_plan.SetRegisterKind (eRegisterKindDWARF); UnwindPlan::Row row; - UnwindPlan::Row::RegisterLocation regloc; // Our previous Call Frame Address is the stack pointer row.SetCFARegister (dwarf_sp); // Our previous PC is in the LR - regloc.SetInRegister(dwarf_lr); - row.SetRegisterInfo (dwarf_pc, regloc); + row.SetRegisterLocationToRegister(dwarf_pc, dwarf_lr, true); unwind_plan.AppendRow (row); // All other registers are the same. diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp index 9de258e3381..e042cb280bc 100644 --- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp +++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp @@ -391,7 +391,7 @@ AppleObjCTrampolineHandler::AppleObjCVTables::RefreshTrampolines (void *baton, // The Update function is called with the address of an added region. So we grab that address, and // feed it into ReadRegions. Of course, our friend the ABI will get the values for us. Process *process = context->exe_ctx.process; - const ABI *abi = process->GetABI(); + const ABI *abi = process->GetABI().get(); ClangASTContext *clang_ast_context = process->GetTarget().GetScratchClangASTContext(); ValueList argument_values; @@ -624,7 +624,7 @@ AppleObjCTrampolineHandler::GetStepThroughDispatchPlan (Thread &thread, bool sto lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0); Process *process = thread.CalculateProcess(); - const ABI *abi = process->GetABI(); + const ABI *abi = process->GetABI().get(); if (abi == NULL) return ret_plan_sp; diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp index ef882fa540d..a0ca3af3a27 100644 --- a/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp +++ b/lldb/source/Plugins/Process/Utility/RegisterContextLLDB.cpp @@ -21,8 +21,7 @@ #include "lldb/Symbol/SymbolContext.h" #include "lldb/Symbol/Symbol.h" #include "lldb/Expression/DWARFExpression.h" -#include "lldb/Target/ArchDefaultUnwindPlan.h" -#include "lldb/Target/ArchVolatileRegs.h" +#include "lldb/Target/ABI.h" #include "lldb/Target/ExecutionContext.h" #include "lldb/Target/Process.h" #include "lldb/Target/StackFrame.h" @@ -247,12 +246,12 @@ RegisterContextLLDB::InitializeNonZerothFrame() log->Printf("%*sFrame %u using architectural default unwind method", m_frame_number < 100 ? m_frame_number : 100, "", m_frame_number); } - const ArchSpec &arch = m_thread.GetProcess().GetTarget().GetArchitecture (); - ArchDefaultUnwindPlanSP arch_default_sp (ArchDefaultUnwindPlan::FindPlugin (arch)); - if (arch_default_sp) + ABI *abi = m_thread.GetProcess().GetABI().get(); + if (abi) { - m_fast_unwind_plan_sp.reset(); - m_full_unwind_plan_sp = arch_default_sp->GetArchDefaultUnwindPlan (m_thread, m_current_pc); + m_fast_unwind_plan_sp.reset (); + m_full_unwind_plan_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); + abi->CreateDefaultUnwindPlan(*m_full_unwind_plan_sp); m_frame_type = eNormalFrame; m_all_registers_available = false; m_current_offset = -1; @@ -519,10 +518,14 @@ RegisterContextLLDB::GetFullUnwindPlanForFrame () UnwindPlanSP unwind_plan_sp; LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); UnwindPlanSP arch_default_unwind_plan_sp; - const ArchSpec &arch = m_thread.GetProcess().GetTarget().GetArchitecture (); - ArchDefaultUnwindPlanSP arch_default_sp (ArchDefaultUnwindPlan::FindPlugin (arch)); - if (arch_default_sp) - arch_default_unwind_plan_sp = arch_default_sp->GetArchDefaultUnwindPlan (m_thread, m_current_pc); + + + ABI *abi = m_thread.GetProcess().GetABI().get(); + if (abi) + { + arch_default_unwind_plan_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); + abi->CreateDefaultUnwindPlan(*arch_default_unwind_plan_sp); + } bool behaves_like_zeroth_frame = false; if (IsFrameZero () @@ -871,18 +874,21 @@ RegisterContextLLDB::SavedLocationForRegister (uint32_t lldb_regnum, RegisterLoc { // If a volatile register is being requested, we don't want to forward m_next_frame's register contents // up the stack -- the register is not retrievable at this frame. - const ArchSpec &arch = m_thread.GetProcess().GetTarget().GetArchitecture (); - ArchVolatileRegs *volatile_regs = ArchVolatileRegs::FindPlugin (arch); - if (volatile_regs && volatile_regs->RegisterIsVolatile (m_thread, lldb_regnum)) + ABI *abi = m_thread.GetProcess().GetABI().get(); + if (abi) { - if (log) + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(lldb_regnum); + if (reg_info && abi->RegisterIsVolatile (reg_info)) { - log->Printf("%*sFrame %u did not supply reg location for %d because it is volatile", - m_frame_number < 100 ? m_frame_number : 100, "", m_frame_number, - lldb_regnum); - } - return false; - } + if (log) + { + log->Printf("%*sFrame %u did not supply reg location for %d because it is volatile", + m_frame_number < 100 ? m_frame_number : 100, "", m_frame_number, + lldb_regnum); + } + return false; + } + } if (IsFrameZero ()) { diff --git a/lldb/source/Plugins/Process/Utility/UnwindLLDB.cpp b/lldb/source/Plugins/Process/Utility/UnwindLLDB.cpp index 98078195c45..2de786f0639 100644 --- a/lldb/source/Plugins/Process/Utility/UnwindLLDB.cpp +++ b/lldb/source/Plugins/Process/Utility/UnwindLLDB.cpp @@ -12,7 +12,6 @@ #include "lldb/Symbol/FuncUnwinders.h" #include "lldb/Symbol/Function.h" #include "lldb/Symbol/UnwindPlan.h" -#include "lldb/Target/ArchDefaultUnwindPlan.h" #include "lldb/Target/Thread.h" #include "lldb/Target/Target.h" #include "lldb/Target/Process.h" diff --git a/lldb/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp index df16f56c3f3..3e9cef34c19 100644 --- a/lldb/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp +++ b/lldb/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp @@ -147,8 +147,8 @@ ThreadGDBRemote::GetUnwinder () { case llvm::Triple::x86_64: case llvm::Triple::x86: -// case llvm::Triple::arm: -// case llvm::Triple::thumb: + case llvm::Triple::arm: + case llvm::Triple::thumb: m_unwinder_ap.reset (new UnwindLLDB (*this)); break; diff --git a/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.cpp b/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.cpp index 0ce503cf7ea..ee427ee9cdd 100644 --- a/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.cpp +++ b/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.cpp @@ -16,8 +16,9 @@ #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/Disassembler.h" #include "lldb/Core/Error.h" +#include "lldb/Core/Log.h" #include "lldb/Core/PluginManager.h" -#include "lldb/Core/StreamFile.h" +#include "lldb/Core/StreamString.h" #include "lldb/Target/ExecutionContext.h" #include "lldb/Target/Process.h" #include "lldb/Target/Thread.h" @@ -37,49 +38,19 @@ UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly (AddressRange& Thread& thread, UnwindPlan& unwind_plan) { -#if 0 - UnwindPlan::Row row; - UnwindPlan::Row::RegisterLocation regloc; - - m_unwind_plan_sp->SetRegisterKind (eRegisterKindGeneric); - row.SetCFARegister (LLDB_REGNUM_GENERIC_FP); - row.SetCFAOffset (2 * 8); - row.SetOffset (0); - - regloc.SetAtCFAPlusOffset (2 * -8); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc); - regloc.SetAtCFAPlusOffset (1 * -8); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc); - regloc.SetIsCFAPlusOffset (0); - row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc); - - m_unwind_plan_sp->AppendRow (row); - m_unwind_plan_sp->SetSourceName ("x86_64 architectural default"); -#endif - if (range.GetByteSize() > 0 && range.GetBaseAddress().IsValid() && m_inst_emulator_ap.get()) { -#if 0 - Target &target = thread.GetProcess().GetTarget(); - const ArchSpec &target_arch = target.GetArchitecture(); - bool prefer_file_cache = true; - Error error; - DataBufferHeap data_buffer (range.GetByteSize(), 0); - if (target.ReadMemory (range.GetBaseAddress(), - prefer_file_cache, - data_buffer.GetBytes(), - data_buffer.GetByteSize(), - error) == data_buffer.GetByteSize()) - { - DataExtractor data (data_buffer.GetBytes(), - data_buffer.GetByteSize(), - target_arch.GetByteOrder(), - target_arch.GetAddressByteSize()); - } -#endif - StreamFile strm (stdout, false); + + // The the instruction emulation subclass setup the unwind plan for the + // first instruction. + m_inst_emulator_ap->CreateFunctionEntryUnwind (unwind_plan); + + // CreateFunctionEntryUnwind should have created the first row. If it + // doesn't, then we are done. + if (unwind_plan.GetRowCount() == 0) + return false; ExecutionContext exe_ctx; thread.CalculateExecutionContext(exe_ctx); @@ -87,6 +58,9 @@ UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly (AddressRange& NULL, exe_ctx, range)); + + LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); + if (disasm_sp) { @@ -98,13 +72,19 @@ UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly (AddressRange& const bool show_address = true; const bool show_bytes = true; const bool raw = false; - // Initialize the stack pointer with a known value. In the 32 bit case + // Initialize the CFA with a known value. In the 32 bit case // it will be 0x80000000, and in the 64 bit case 0x8000000000000000. // We use the address byte size to be safe for any future addresss sizes - RegisterInfo sp_reg_info; - m_inst_emulator_ap->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP, sp_reg_info); + m_inst_emulator_ap->GetRegisterInfo (unwind_plan.GetRegisterKind(), + unwind_plan.GetInitialCFARegister(), + m_cfa_reg_info); + + m_fp_is_cfa = false; + m_register_values.clear(); + m_pushed_regs.clear(); + m_initial_sp = (1ull << ((addr_byte_size * 8) - 1)); - SetRegisterValue(sp_reg_info, m_initial_sp); + SetRegisterValue (m_cfa_reg_info, m_initial_sp); const InstructionList &inst_list = disasm_sp->GetInstructionList (); const size_t num_instructions = inst_list.GetSize(); @@ -112,26 +92,51 @@ UnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly (AddressRange& { Instruction *inst = inst_list.GetInstructionAtIndex (0).get(); const addr_t base_addr = inst->GetAddress().GetFileAddress(); + // Initialize the current row with the one row that was created + // from the CreateFunctionEntryUnwind call above... + m_curr_row = unwind_plan.GetLastRow(); for (size_t idx=0; idx<num_instructions; ++idx) { inst = inst_list.GetInstructionAtIndex (idx).get(); if (inst) { - m_curr_row.Clear(); - inst->Dump(&strm, inst_list.GetMaxOpcocdeByteSize (), show_address, show_bytes, &exe_ctx, raw); - strm.EOL(); + + if (log) + { + StreamString strm; + inst->Dump(&strm, inst_list.GetMaxOpcocdeByteSize (), show_address, show_bytes, &exe_ctx, raw); + log->PutCString (strm.GetData()); + } m_inst_emulator_ap->SetInstruction (inst->GetOpcode(), inst->GetAddress(), exe_ctx.target); - m_curr_row.SetOffset (inst->GetAddress().GetFileAddress() + inst->GetOpcode().GetByteSize() - base_addr); m_inst_emulator_ap->EvaluateInstruction (eEmulateInstructionOptionIgnoreConditions); + + if (unwind_plan.GetLastRow() != m_curr_row) + { + // Be sure to not edit the offset unless our row has changed + // so that the "!=" call above doesn't trigger every time + m_curr_row.SetOffset (inst->GetAddress().GetFileAddress() + inst->GetOpcode().GetByteSize() - base_addr); + // Append the new row + unwind_plan.AppendRow (m_curr_row); + } } } } } + + if (log) + { + StreamString strm; + lldb::addr_t base_addr = range.GetBaseAddress().GetLoadAddress(&thread.GetProcess().GetTarget()); + strm.Printf ("Resulting unwind rows for [0x%llx - 0x%llx):", base_addr, base_addr + range.GetByteSize()); + unwind_plan.Dump(strm, &thread, base_addr); + log->PutCString (strm.GetData()); + } + return unwind_plan.GetRowCount() > 0; } return false; } @@ -255,12 +260,18 @@ UnwindAssemblyInstEmulation::ReadMemory (EmulateInstruction *instruction, void *dst, size_t dst_len) { - //UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; - printf ("UnwindAssemblyInstEmulation::ReadMemory (addr = 0x%16.16llx, dst = %p, dst_len = %zu, context = ", - addr, - dst, - dst_len); - context.Dump(stdout, instruction); + LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); + + if (log) + { + StreamString strm; + strm.Printf ("UnwindAssemblyInstEmulation::ReadMemory (addr = 0x%16.16llx, dst = %p, dst_len = %zu, context = ", + addr, + dst, + dst_len); + context.Dump(strm, instruction); + log->PutCString (strm.GetData ()); + } return dst_len; } @@ -272,19 +283,39 @@ UnwindAssemblyInstEmulation::WriteMemory (EmulateInstruction *instruction, const void *dst, size_t dst_len) { - UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; - + if (baton && dst && dst_len) + return ((UnwindAssemblyInstEmulation *)baton)->WriteMemory (instruction, context, addr, dst, dst_len); + return 0; +} + +size_t +UnwindAssemblyInstEmulation::WriteMemory (EmulateInstruction *instruction, + const EmulateInstruction::Context &context, + lldb::addr_t addr, + const void *dst, + size_t dst_len) +{ DataExtractor data (dst, dst_len, instruction->GetArchitecture ().GetByteOrder(), instruction->GetArchitecture ().GetAddressByteSize()); - StreamFile strm(stdout, false); - strm.PutCString ("UnwindAssemblyInstEmulation::WriteMemory ("); - data.Dump(&strm, 0, eFormatBytes, 1, dst_len, UINT32_MAX, addr, 0, 0); - strm.PutCString (", context = "); - context.Dump(stdout, instruction); + LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); + + if (log) + { + StreamString strm; + + strm.PutCString ("UnwindAssemblyInstEmulation::WriteMemory ("); + data.Dump(&strm, 0, eFormatBytes, 1, dst_len, UINT32_MAX, addr, 0, 0); + strm.PutCString (", context = "); + context.Dump(strm, instruction); + log->PutCString (strm.GetData()); + } + const bool can_replace = true; + const bool cant_replace = false; + switch (context.type) { default: @@ -307,25 +338,45 @@ UnwindAssemblyInstEmulation::WriteMemory (EmulateInstruction *instruction, case EmulateInstruction::eContextReturnFromException: case EmulateInstruction::eContextPopRegisterOffStack: case EmulateInstruction::eContextAdjustStackPointer: - assert (!"unhandled case, add code to handle this!"); break; case EmulateInstruction::eContextPushRegisterOnStack: - switch (context.info_type) { - case EmulateInstruction::eInfoTypeRegisterToRegisterPlusOffset: + uint32_t reg_num = LLDB_INVALID_REGNUM; + bool is_return_address_reg = false; + const uint32_t unwind_reg_kind = m_unwind_plan_ptr->GetRegisterKind(); + if (context.info_type == EmulateInstruction::eInfoTypeRegisterToRegisterPlusOffset) + { + reg_num = context.info.RegisterToRegisterPlusOffset.data_reg.kinds[unwind_reg_kind]; + if (context.info.RegisterToRegisterPlusOffset.data_reg.kinds[eRegisterKindGeneric] == LLDB_REGNUM_GENERIC_RA) + is_return_address_reg = true; + } + else + { + assert (!"unhandled case, add code to handle this!"); + } + + if (reg_num != LLDB_INVALID_REGNUM) + { + if (m_pushed_regs.find (reg_num) == m_pushed_regs.end()) { - UnwindPlan::Row::RegisterLocation regloc; - const uint32_t dwarf_reg_num = context.info.RegisterToRegisterPlusOffset.data_reg.kinds[eRegisterKindDWARF]; - //const addr_t reg_cfa_offset = inst_emulator->m_curr_row.GetCFAOffset() + context.info.RegisterToRegisterPlusOffset.offset; - regloc.SetAtCFAPlusOffset (addr - inst_emulator->m_initial_sp); - inst_emulator->m_curr_row.SetRegisterInfo (dwarf_reg_num, regloc); + m_pushed_regs[reg_num] = addr; + const int32_t offset = addr - m_initial_sp; + m_curr_row.SetRegisterLocationToAtCFAPlusOffset (reg_num, offset, cant_replace); + if (is_return_address_reg) + { + // This push was pushing the return address register, + // so this is also how we will unwind the PC... + RegisterInfo pc_reg_info; + if (instruction->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC, pc_reg_info)) + { + uint32_t pc_reg_num = pc_reg_info.kinds[unwind_reg_kind]; + if (pc_reg_num != LLDB_INVALID_REGNUM) + m_curr_row.SetRegisterLocationToAtCFAPlusOffset (pc_reg_num, offset, can_replace); + } + } } - break; - - default: - assert (!"unhandled case, add code to handle this!"); - break; + } } break; @@ -340,15 +391,27 @@ UnwindAssemblyInstEmulation::ReadRegister (EmulateInstruction *instruction, const RegisterInfo *reg_info, RegisterValue ®_value) { + if (baton && reg_info) - { - UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; - bool synthetic = inst_emulator->GetRegisterValue (*reg_info, reg_value); + return ((UnwindAssemblyInstEmulation *)baton)->ReadRegister (instruction, reg_info, reg_value); + return false; +} +bool +UnwindAssemblyInstEmulation::ReadRegister (EmulateInstruction *instruction, + const RegisterInfo *reg_info, + RegisterValue ®_value) +{ + bool synthetic = GetRegisterValue (*reg_info, reg_value); - StreamFile strm (stdout, false); + LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); + + if (log) + { + + StreamString strm; strm.Printf ("UnwindAssemblyInstEmulation::ReadRegister (name = \"%s\") => synthetic_value = %i, value = ", reg_info->name, synthetic); reg_value.Dump(&strm, reg_info, false, eFormatDefault); - strm.EOL(); + log->PutCString(strm.GetData()); } return true; } @@ -360,17 +423,31 @@ UnwindAssemblyInstEmulation::WriteRegister (EmulateInstruction *instruction, const RegisterInfo *reg_info, const RegisterValue ®_value) { - if (!baton || !reg_info) - return false; + if (baton && reg_info) + return ((UnwindAssemblyInstEmulation *)baton)->WriteRegister (instruction, context, reg_info, reg_value); + return false; +} +bool +UnwindAssemblyInstEmulation::WriteRegister (EmulateInstruction *instruction, + const EmulateInstruction::Context &context, + const RegisterInfo *reg_info, + const RegisterValue ®_value) +{ + LogSP log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_UNWIND)); - UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; - StreamFile strm (stdout, false); - strm.Printf ("UnwindAssemblyInstEmulation::WriteRegister (name = \"%s\", value = ", reg_info->name); - reg_value.Dump(&strm, reg_info, false, eFormatDefault); - strm.PutCString (", context = "); - context.Dump(stdout, instruction); + if (log) + { + + StreamString strm; + strm.Printf ("UnwindAssemblyInstEmulation::WriteRegister (name = \"%s\", value = ", reg_info->name); + reg_value.Dump(&strm, reg_info, false, eFormatDefault); + strm.PutCString (", context = "); + context.Dump(strm, instruction); + log->PutCString(strm.GetData()); + } - inst_emulator->SetRegisterValue (*reg_info, reg_value); + const bool must_replace = true; + SetRegisterValue (*reg_info, reg_value); switch (context.type) { @@ -393,31 +470,48 @@ UnwindAssemblyInstEmulation::WriteRegister (EmulateInstruction *instruction, case EmulateInstruction::eContextAdvancePC: case EmulateInstruction::eContextReturnFromException: case EmulateInstruction::eContextPushRegisterOnStack: - assert (!"unhandled case, add code to handle this!"); +// { +// const uint32_t reg_num = reg_info->kinds[m_unwind_plan_ptr->GetRegisterKind()]; +// if (reg_num != LLDB_INVALID_REGNUM) +// { +// const bool can_replace_only_if_unspecified = true; +// +// m_curr_row.SetRegisterLocationToUndefined (reg_num, +// can_replace_only_if_unspecified, +// can_replace_only_if_unspecified); +// } +// } break; case EmulateInstruction::eContextPopRegisterOffStack: { - switch (context.info_type) + const uint32_t reg_num = reg_info->kinds[m_unwind_plan_ptr->GetRegisterKind()]; + if (reg_num != LLDB_INVALID_REGNUM) { - case EmulateInstruction::eInfoTypeRegisterPlusOffset: - { - const uint32_t dwarf_reg_num = reg_info->kinds[eRegisterKindDWARF]; - UnwindPlan::Row::RegisterLocation regloc; - regloc.SetSame(); - inst_emulator->m_curr_row.SetRegisterInfo (dwarf_reg_num, regloc); - } - break; - - default: - assert (!"unhandled case, add code to handle this!"); - break; + m_curr_row.SetRegisterLocationToSame (reg_num, must_replace); } } break; + case EmulateInstruction::eContextSetFramePointer: + if (!m_fp_is_cfa) + { + m_fp_is_cfa = true; + m_cfa_reg_info = *reg_info; + const uint32_t cfa_reg_num = reg_info->kinds[m_unwind_plan_ptr->GetRegisterKind()]; + assert (cfa_reg_num != LLDB_INVALID_REGNUM); + m_curr_row.SetCFARegister(cfa_reg_num); + m_curr_row.SetCFAOffset(m_initial_sp - reg_value.GetAsUInt64()); + } + break; + case EmulateInstruction::eContextAdjustStackPointer: - inst_emulator->m_curr_row.SetCFAOffset (reg_value.GetAsUInt64() - inst_emulator->m_initial_sp); + // If we have created a frame using the frame pointer, don't follow + // subsequent adjustments to the stack pointer. + if (!m_fp_is_cfa) + { + m_curr_row.SetCFAOffset (m_initial_sp - reg_value.GetAsUInt64()); + } break; } return true; diff --git a/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h b/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h index 96c13813e48..b7025710333 100644 --- a/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h +++ b/lldb/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h @@ -101,6 +101,31 @@ private: const lldb_private::RegisterValue ®_value); +// size_t +// ReadMemory (lldb_private::EmulateInstruction *instruction, +// const lldb_private::EmulateInstruction::Context &context, +// lldb::addr_t addr, +// void *dst, +// size_t length); + + size_t + WriteMemory (lldb_private::EmulateInstruction *instruction, + const lldb_private::EmulateInstruction::Context &context, + lldb::addr_t addr, + const void *dst, + size_t length); + + bool + ReadRegister (lldb_private::EmulateInstruction *instruction, + const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue ®_value); + + bool + WriteRegister (lldb_private::EmulateInstruction *instruction, + const lldb_private::EmulateInstruction::Context &context, + const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue ®_value); + // Call CreateInstance to get an instance of this class UnwindAssemblyInstEmulation (const lldb_private::ArchSpec &arch, lldb_private::EmulateInstruction *inst_emulator) : @@ -108,7 +133,12 @@ private: m_inst_emulator_ap (inst_emulator), m_range_ptr (NULL), m_thread_ptr (NULL), - m_unwind_plan_ptr (NULL) + m_unwind_plan_ptr (NULL), + m_curr_row (), + m_cfa_reg_info (), + m_fp_is_cfa (false), + m_register_values (), + m_pushed_regs() { if (m_inst_emulator_ap.get()) { @@ -133,9 +163,13 @@ private: lldb_private::Thread* m_thread_ptr; lldb_private::UnwindPlan* m_unwind_plan_ptr; lldb_private::UnwindPlan::Row m_curr_row; + typedef std::map<uint64_t, uint64_t> PushedRegisterToAddrMap; uint64_t m_initial_sp; + lldb_private::RegisterInfo m_cfa_reg_info; + bool m_fp_is_cfa; typedef std::map<uint64_t, lldb_private::RegisterValue> RegisterValueMap; RegisterValueMap m_register_values; + PushedRegisterToAddrMap m_pushed_regs; }; #endif // liblldb_UnwindAssemblyInstEmulation_h_ diff --git a/lldb/source/Symbol/FuncUnwinders.cpp b/lldb/source/Symbol/FuncUnwinders.cpp index eb8e4da3cca..12f77942d70 100644 --- a/lldb/source/Symbol/FuncUnwinders.cpp +++ b/lldb/source/Symbol/FuncUnwinders.cpp @@ -14,7 +14,8 @@ #include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/UnwindPlan.h" #include "lldb/Symbol/UnwindTable.h" -#include "lldb/Target/ArchDefaultUnwindPlan.h" +#include "lldb/Target/ABI.h" +#include "lldb/Target/Process.h" #include "lldb/Target/Thread.h" #include "lldb/Target/Target.h" #include "lldb/Target/UnwindAssembly.h" @@ -83,7 +84,7 @@ FuncUnwinders::GetUnwindPlanAtCallSite (int current_offset) DWARFCallFrameInfo *eh_frame = m_unwind_table.GetEHFrameInfo(); if (eh_frame) { - m_unwind_plan_call_site_sp.reset (new UnwindPlan); + m_unwind_plan_call_site_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); if (!eh_frame->GetUnwindPlan (current_pc, *m_unwind_plan_call_site_sp)) m_unwind_plan_call_site_sp.reset(); } @@ -111,7 +112,7 @@ FuncUnwinders::GetUnwindPlanAtNonCallSite (Thread& thread) if (m_tried_unwind_at_non_call_site == false && m_unwind_plan_non_call_site_sp.get() == NULL) { m_tried_unwind_at_non_call_site = true; - m_unwind_plan_non_call_site_sp.reset (new UnwindPlan); + m_unwind_plan_non_call_site_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); if (!m_assembly_profiler->GetNonCallSiteUnwindPlanFromAssembly (m_range, thread, *m_unwind_plan_non_call_site_sp)) m_unwind_plan_non_call_site_sp.reset(); } @@ -137,7 +138,7 @@ FuncUnwinders::GetUnwindPlanFastUnwind (Thread& thread) if (m_tried_unwind_fast == false && m_unwind_plan_fast_sp.get() == NULL) { m_tried_unwind_fast = true; - m_unwind_plan_fast_sp.reset (new UnwindPlan); + m_unwind_plan_fast_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); if (!m_assembly_profiler->GetFastUnwindPlan (m_range, thread, *m_unwind_plan_fast_sp)) m_unwind_plan_fast_sp.reset(); } @@ -167,9 +168,13 @@ FuncUnwinders::GetUnwindPlanArchitectureDefault (Thread& thread) Target *target = thread.CalculateTarget(); if (target) { - ArchDefaultUnwindPlanSP arch_default_sp (ArchDefaultUnwindPlan::FindPlugin (target->GetArchitecture ())); - if (arch_default_sp) - m_unwind_plan_arch_default_sp = arch_default_sp->GetArchDefaultUnwindPlan (thread, current_pc); + ABI *abi = thread.GetProcess().GetABI().get(); + if (abi) + { + m_unwind_plan_arch_default_sp.reset (new UnwindPlan (lldb::eRegisterKindGeneric)); + if (m_unwind_plan_arch_default_sp) + abi->CreateDefaultUnwindPlan(*m_unwind_plan_arch_default_sp); + } } } diff --git a/lldb/source/Symbol/UnwindPlan.cpp b/lldb/source/Symbol/UnwindPlan.cpp index 29985af6ef9..a4651717681 100644 --- a/lldb/source/Symbol/UnwindPlan.cpp +++ b/lldb/source/Symbol/UnwindPlan.cpp @@ -20,15 +20,29 @@ using namespace lldb_private; bool UnwindPlan::Row::RegisterLocation::operator == (const UnwindPlan::Row::RegisterLocation& rhs) const { - if (m_type != rhs.m_type) - return false; - if (m_type == atCFAPlusOffset || m_type == isCFAPlusOffset) - return m_location.offset == rhs.m_location.offset; - if (m_type == inOtherRegister) - return m_location.reg_num == rhs.m_location.reg_num; - if (m_type == atDWARFExpression || m_type == isDWARFExpression) - if (m_location.expr.length == rhs.m_location.expr.length) - return !memcmp (m_location.expr.opcodes, rhs.m_location.expr.opcodes, m_location.expr.length); + if (m_type == rhs.m_type) + { + switch (m_type) + { + case unspecified: + case undefined: + case same: + return true; + + case atCFAPlusOffset: + case isCFAPlusOffset: + return m_location.offset == rhs.m_location.offset; + + case inOtherRegister: + return m_location.reg_num == rhs.m_location.reg_num; + + case atDWARFExpression: + case isDWARFExpression: + if (m_location.expr.length == rhs.m_location.expr.length) + return !memcmp (m_location.expr.opcodes, rhs.m_location.expr.opcodes, m_location.expr.length); + break; + } + } return false; } @@ -53,74 +67,85 @@ UnwindPlan::Row::RegisterLocation::SetIsDWARFExpression (const uint8_t *opcodes, } void -UnwindPlan::Row::RegisterLocation::SetUnspecified () -{ - m_type = unspecified; -} - -void -UnwindPlan::Row::RegisterLocation::SetUndefined () -{ - m_type = isUndefined; -} - -void -UnwindPlan::Row::RegisterLocation::SetSame () -{ - m_type = isSame; -} - - -void -UnwindPlan::Row::RegisterLocation::SetAtCFAPlusOffset (int32_t offset) -{ - m_type = atCFAPlusOffset; - m_location.offset = offset; -} - -void -UnwindPlan::Row::RegisterLocation::SetIsCFAPlusOffset (int32_t offset) -{ - m_type = isCFAPlusOffset; - m_location.offset = offset; -} - -void -UnwindPlan::Row::RegisterLocation::SetInRegister (uint32_t reg_num) -{ - m_type = inOtherRegister; - m_location.reg_num = reg_num; -} - -void -UnwindPlan::Row::RegisterLocation::Dump (Stream &s) const +UnwindPlan::Row::RegisterLocation::Dump (Stream &s, const UnwindPlan* unwind_plan, const UnwindPlan::Row* row, Thread* thread, bool verbose) const { switch (m_type) { case unspecified: - s.PutCString ("unspecified"); + if (verbose) + s.PutCString ("=<unspec>"); + else + s.PutCString ("=!"); break; - case isUndefined: - s.PutCString ("isUndefined"); + case undefined: + if (verbose) + s.PutCString ("=<undef>"); + else + s.PutCString ("=?"); break; - case isSame: - s.PutCString ("isSame"); + case same: + s.PutCString ("= <same>"); break; + case atCFAPlusOffset: - s.Printf ("atCFAPlusOffset %d", m_location.offset); - break; case isCFAPlusOffset: - s.Printf ("isCFAPlusOffset %d", m_location.offset); + { + s.PutChar('='); + if (m_type == atCFAPlusOffset) + s.PutChar('['); + if (verbose) + s.Printf ("CFA%+d", m_location.offset); + + if (unwind_plan && row) + { + const uint32_t cfa_reg = row->GetCFARegister(); + const RegisterInfo *cfa_reg_info = unwind_plan->GetRegisterInfo (thread, cfa_reg); + const int32_t offset = row->GetCFAOffset() + m_location.offset; + if (verbose) + { + if (cfa_reg_info) + s.Printf (" (%s%+d)", cfa_reg_info->name, offset); + else + s.Printf (" (reg(%u)%+d)", cfa_reg_info->name, offset); + } + else + { + if (cfa_reg_info) + s.Printf ("%s", cfa_reg_info->name); + else + s.Printf ("reg(%u)", cfa_reg_info->name); + if (offset != 0) + s.Printf ("%+d", offset); + } + } + if (m_type == atCFAPlusOffset) + s.PutChar(']'); + } break; + case inOtherRegister: - s.Printf ("inOtherRegister %d", m_location.reg_num); + { + const RegisterInfo *other_reg_info = NULL; + if (unwind_plan) + other_reg_info = unwind_plan->GetRegisterInfo (thread, m_location.reg_num); + if (other_reg_info) + s.Printf ("=%s", other_reg_info->name); + else + s.Printf ("=reg(%u)", m_location.reg_num); + } break; + case atDWARFExpression: - s.PutCString ("atDWARFExpression"); - break; case isDWARFExpression: - s.PutCString ("isDWARFExpression"); + { + s.PutChar('='); + if (m_type == atDWARFExpression) + s.PutCString("[dwarf-expr]"); + else + s.PutCString("dwarf-expr"); + } break; + } } @@ -134,48 +159,30 @@ UnwindPlan::Row::Clear () } void -UnwindPlan::Row::Dump (Stream& s, int register_kind, Thread* thread) const +UnwindPlan::Row::Dump (Stream& s, const UnwindPlan* unwind_plan, Thread* thread, addr_t base_addr) const { - RegisterContext *reg_ctx = NULL; - const RegisterInfo *rinfo = NULL; - int translated_regnum; - if (thread && thread->GetRegisterContext()) - reg_ctx = thread->GetRegisterContext().get(); - - s.Printf ("offset %ld, CFA reg ", (long) GetOffset()); - if (reg_ctx - && (translated_regnum = reg_ctx->ConvertRegisterKindToRegisterNumber (register_kind, GetCFARegister())) != -1 - && (rinfo = reg_ctx->GetRegisterInfoAtIndex (translated_regnum)) != NULL - && rinfo->name != NULL - && rinfo->name[0] != '\0') - { - s.Printf ("%s, ", rinfo->name); - } + const RegisterInfo *reg_info = unwind_plan->GetRegisterInfo (thread, GetCFARegister()); + + if (base_addr != LLDB_INVALID_ADDRESS) + s.Printf ("0x%16.16llx: CFA=", base_addr + GetOffset()); else - { - s.Printf ("%d, ", (int)(int) GetCFARegister()); - } - s.Printf ("CFA offset %d", (int) GetCFAOffset ()); + s.Printf ("0x%8.8x: CFA=", GetOffset()); + + if (reg_info) + s.Printf ("%s", reg_info->name); + else + s.Printf ("reg(%u)", GetCFARegister()); + s.Printf ("%+3d =>", GetCFAOffset ()); for (collection::const_iterator idx = m_register_locations.begin (); idx != m_register_locations.end (); ++idx) { - s.PutCString (" ["); - bool printed_name = false; - if (reg_ctx) - { - translated_regnum = reg_ctx->ConvertRegisterKindToRegisterNumber (register_kind, idx->first); - rinfo = reg_ctx->GetRegisterInfoAtIndex (translated_regnum); - if (rinfo && rinfo->name) - { - s.Printf ("%s ", rinfo->name); - printed_name = true; - } - } - if (!printed_name) - { - s.Printf ("reg %d ", idx->first); - } - idx->second.Dump(s); - s.PutCString ("]"); + reg_info = unwind_plan->GetRegisterInfo (thread, idx->first); + if (reg_info) + s.Printf ("%s", reg_info->name); + else + s.Printf ("reg(%u)", idx->first); + const bool verbose = false; + idx->second.Dump(s, unwind_plan, this, thread, verbose); + s.PutChar (' '); } s.EOL(); } @@ -206,6 +213,87 @@ UnwindPlan::Row::SetRegisterInfo (uint32_t reg_num, const UnwindPlan::Row::Regis m_register_locations[reg_num] = register_location; } +bool +UnwindPlan::Row::SetRegisterLocationToAtCFAPlusOffset (uint32_t reg_num, int32_t offset, bool can_replace) +{ + if (!can_replace && m_register_locations.find(reg_num) != m_register_locations.end()) + return false; + RegisterLocation reg_loc; + reg_loc.SetAtCFAPlusOffset(offset); + m_register_locations[reg_num] = reg_loc; + return true; +} + +bool +UnwindPlan::Row::SetRegisterLocationToIsCFAPlusOffset (uint32_t reg_num, int32_t offset, bool can_replace) +{ + if (!can_replace && m_register_locations.find(reg_num) != m_register_locations.end()) + return false; + RegisterLocation reg_loc; + reg_loc.SetIsCFAPlusOffset(offset); + m_register_locations[reg_num] = reg_loc; + return true; +} + +bool +UnwindPlan::Row::SetRegisterLocationToUndefined (uint32_t reg_num, bool can_replace, bool can_replace_only_if_unspecified) +{ + collection::iterator pos = m_register_locations.find(reg_num); + collection::iterator end = m_register_locations.end(); + + if (pos != end) + { + if (!can_replace) + return false; + if (can_replace_only_if_unspecified && !pos->second.IsUnspecified()) + return false; + } + RegisterLocation reg_loc; + reg_loc.SetUndefined(); + m_register_locations[reg_num] = reg_loc; + return true; +} + +bool +UnwindPlan::Row::SetRegisterLocationToUnspecified (uint32_t reg_num, bool can_replace) +{ + if (!can_replace && m_register_locations.find(reg_num) != m_register_locations.end()) + return false; + RegisterLocation reg_loc; + reg_loc.SetUnspecified(); + m_register_locations[reg_num] = reg_loc; + return true; +} + +bool +UnwindPlan::Row::SetRegisterLocationToRegister (uint32_t reg_num, + uint32_t other_reg_num, + bool can_replace) +{ + if (!can_replace && m_register_locations.find(reg_num) != m_register_locations.end()) + return false; + RegisterLocation reg_loc; + reg_loc.SetInRegister(other_reg_num); + m_register_locations[reg_num] = reg_loc; + return true; +} + +bool +UnwindPlan::Row::SetRegisterLocationToSame (uint32_t reg_num, bool must_replace) +{ + if (must_replace && m_register_locations.find(reg_num) == m_register_locations.end()) + return false; + RegisterLocation reg_loc; + reg_loc.SetSame(); + m_register_locations[reg_num] = reg_loc; + return true; +} + +void +UnwindPlan::Row::SetCFARegister (uint32_t reg_num) +{ + m_cfa_reg_num = reg_num; +} void UnwindPlan::AppendRow (const UnwindPlan::Row &row) @@ -253,22 +341,18 @@ UnwindPlan::GetRowAtIndex (uint32_t idx) const return m_row_list[idx]; } -int -UnwindPlan::GetRowCount () const -{ - return m_row_list.size (); -} - -void -UnwindPlan::SetRegisterKind (uint32_t rk) +const UnwindPlan::Row& +UnwindPlan::GetLastRow () const { - m_register_kind = rk; + // You must call GetRowCount() first to make sure there is at least one row + assert (!m_row_list.empty()); + return m_row_list.back(); } -uint32_t -UnwindPlan::GetRegisterKind (void) const +int +UnwindPlan::GetRowCount () const { - return m_register_kind; + return m_row_list.size (); } void @@ -294,7 +378,7 @@ UnwindPlan::PlanValidAtAddress (Address addr) } void -UnwindPlan::Dump (Stream& s, Thread *thread) const +UnwindPlan::Dump (Stream& s, Thread *thread, lldb::addr_t base_addr) const { if (!m_source_name.IsEmpty()) { @@ -318,13 +402,14 @@ UnwindPlan::Dump (Stream& s, Thread *thread) const case eRegisterKindGeneric: s.PutCString (" [eRegisterKindGeneric]"); break; case eRegisterKindGDB: s.PutCString (" [eRegisterKindGDB]"); break; case eRegisterKindLLDB: s.PutCString (" [eRegisterKindLLDB]"); break; - default: break; + default: s.PutCString (" [eRegisterKind???]"); break; } s.EOL(); - for (int i = 0; IsValidRowIndex (i); i++) + collection::const_iterator pos, begin = m_row_list.begin(), end = m_row_list.end(); + for (pos = begin; pos != end; ++pos) { - s.Printf ("UnwindPlan row at index %d: ", i); - m_row_list[i].Dump(s, m_register_kind, thread); + s.Printf ("row[%u]: ", (uint32_t)std::distance (begin, pos)); + pos->Dump(s, this, thread, base_addr); } } @@ -339,3 +424,24 @@ UnwindPlan::GetSourceName () const { return m_source_name; } + +const RegisterInfo * +UnwindPlan::GetRegisterInfo (Thread* thread, uint32_t unwind_reg) const +{ + if (thread) + { + RegisterContext *reg_ctx = thread->GetRegisterContext().get(); + if (reg_ctx) + { + uint32_t reg; + if (m_register_kind == eRegisterKindLLDB) + reg = unwind_reg; + else + reg = reg_ctx->ConvertRegisterKindToRegisterNumber (m_register_kind, unwind_reg); + if (reg != LLDB_INVALID_REGNUM) + return reg_ctx->GetRegisterInfoAtIndex (reg); + } + } + return NULL; +} + diff --git a/lldb/source/Target/ABI.cpp b/lldb/source/Target/ABI.cpp index 21ac55047e3..0ed7a0d195b 100644 --- a/lldb/source/Target/ABI.cpp +++ b/lldb/source/Target/ABI.cpp @@ -13,23 +13,23 @@ using namespace lldb; using namespace lldb_private; -ABI* +ABISP ABI::FindPlugin (const ArchSpec &arch) { - std::auto_ptr<ABI> abi_ap; + ABISP abi_sp; ABICreateInstance create_callback; for (uint32_t idx = 0; (create_callback = PluginManager::GetABICreateCallbackAtIndex(idx)) != NULL; ++idx) { - abi_ap.reset (create_callback(arch)); + abi_sp = create_callback(arch); - if (abi_ap.get()) - return abi_ap.release(); + if (abi_sp) + return abi_sp; } - - return NULL; + abi_sp.reset(); + return abi_sp; } //---------------------------------------------------------------------- diff --git a/lldb/source/Target/Process.cpp b/lldb/source/Target/Process.cpp index 80d1d758cf5..47a4c1c5b98 100644 --- a/lldb/source/Target/Process.cpp +++ b/lldb/source/Target/Process.cpp @@ -1349,13 +1349,12 @@ Process::UnloadImage (uint32_t image_token) return error; } -const ABI * +const lldb::ABISP & Process::GetABI() { - if (m_abi_sp.get() == NULL) - m_abi_sp.reset(ABI::FindPlugin(m_target.GetArchitecture())); - - return m_abi_sp.get(); + if (!m_abi_sp) + m_abi_sp = ABI::FindPlugin(m_target.GetArchitecture()); + return m_abi_sp; } LanguageRuntime * diff --git a/lldb/source/Target/ThreadPlanCallFunction.cpp b/lldb/source/Target/ThreadPlanCallFunction.cpp index 83b8270813c..934ac00df56 100644 --- a/lldb/source/Target/ThreadPlanCallFunction.cpp +++ b/lldb/source/Target/ThreadPlanCallFunction.cpp @@ -56,7 +56,7 @@ ThreadPlanCallFunction::ThreadPlanCallFunction (Thread &thread, Process& process = thread.GetProcess(); Target& target = process.GetTarget(); - const ABI *abi = process.GetABI(); + const ABI *abi = process.GetABI().get(); if (!abi) return; diff --git a/lldb/source/Target/ThreadPlanTracer.cpp b/lldb/source/Target/ThreadPlanTracer.cpp index 961c9cda1ae..7ea16d4ff9a 100644 --- a/lldb/source/Target/ThreadPlanTracer.cpp +++ b/lldb/source/Target/ThreadPlanTracer.cpp @@ -112,7 +112,7 @@ ThreadPlanAssemblyTracer::InitializeTracer() m_disassembler = Disassembler::FindPlugin(arch, NULL); - m_abi = process.GetABI(); + m_abi = process.GetABI().get(); ModuleSP exe_module_sp (target.GetExecutableModule()); diff --git a/lldb/source/lldb.cpp b/lldb/source/lldb.cpp index 0c730eed47a..c8ab895a5f0 100644 --- a/lldb/source/lldb.cpp +++ b/lldb/source/lldb.cpp @@ -32,11 +32,10 @@ #include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h" #include "Plugins/UnwindAssembly/x86/UnwindAssembly-x86.h" #include "Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h" -#include "Plugins/ArchDefaultUnwindPlan/x86/ArchDefaultUnwindPlan-x86.h" -#include "Plugins/ArchVolatileRegs/x86/ArchVolatileRegs-x86.h" #if defined (__APPLE__) #include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h" +#include "Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h" #include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h" #include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h" #include "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h" @@ -85,17 +84,15 @@ lldb_private::Initialize () SymbolFileSymtab::Initialize(); UnwindAssemblyInstEmulation::Initialize(); UnwindAssembly_x86::Initialize(); - ArchDefaultUnwindPlan_x86_64::Initialize(); - ArchDefaultUnwindPlan_i386::Initialize(); - ArchVolatileRegs_x86::Initialize(); EmulateInstructionARM::Initialize (); + ABIMacOSX_i386::Initialize(); + ABIMacOSX_arm::Initialize(); + ABISysV_x86_64::Initialize(); #if defined (__APPLE__) //---------------------------------------------------------------------- // Apple/Darwin hosted plugins //---------------------------------------------------------------------- - ABIMacOSX_i386::Initialize(); - ABISysV_x86_64::Initialize(); DynamicLoaderMacOSXDYLD::Initialize(); SymbolFileDWARFDebugMap::Initialize(); ItaniumABILanguageRuntime::Initialize(); @@ -154,10 +151,10 @@ lldb_private::Terminate () SymbolFileSymtab::Terminate(); UnwindAssembly_x86::Terminate(); UnwindAssemblyInstEmulation::Terminate(); - ArchDefaultUnwindPlan_i386::Terminate(); - ArchDefaultUnwindPlan_x86_64::Terminate(); - ArchVolatileRegs_x86::Terminate(); EmulateInstructionARM::Terminate (); + ABIMacOSX_i386::Terminate(); + ABIMacOSX_arm::Terminate(); + ABISysV_x86_64::Terminate(); #if defined (__APPLE__) DynamicLoaderMacOSXDYLD::Terminate(); diff --git a/lldb/tools/debugserver/debugserver.xcodeproj/project.pbxproj b/lldb/tools/debugserver/debugserver.xcodeproj/project.pbxproj index 855e4c17161..1cd21662a57 100644 --- a/lldb/tools/debugserver/debugserver.xcodeproj/project.pbxproj +++ b/lldb/tools/debugserver/debugserver.xcodeproj/project.pbxproj @@ -359,6 +359,7 @@ 26CE05C7115C36870022F371 /* ShellScript */, 26CE0591115C31C20022F371 /* Sources */, 26CE0592115C31C20022F371 /* Frameworks */, + 26C688951378864600407EDF /* Codesign Hack */, ); buildRules = ( ); @@ -397,6 +398,20 @@ /* End PBXProject section */ /* Begin PBXShellScriptBuildPhase section */ + 26C688951378864600407EDF /* Codesign Hack */ = { + isa = PBXShellScriptBuildPhase; + buildActionMask = 2147483647; + files = ( + ); + inputPaths = ( + ); + name = "Codesign Hack"; + outputPaths = ( + ); + runOnlyForDeploymentPostprocessing = 0; + shellPath = /bin/sh; + shellScript = "codesign --force --keychain ~/Library/Keychains/login.keychain --sign lldb_codesign \"$CODESIGNING_FOLDER_PATH\""; + }; 26CE05C7115C36870022F371 /* ShellScript */ = { isa = PBXShellScriptBuildPhase; buildActionMask = 2147483647; @@ -565,7 +580,6 @@ isa = XCBuildConfiguration; buildSettings = { "CODE_SIGN_ENTITLEMENTS[sdk=iphoneos*]" = "source/debugserver-entitlements.plist"; - "CODE_SIGN_IDENTITY[sdk=macosx*]" = lldb_codesign; COPY_PHASE_STRIP = YES; CURRENT_PROJECT_VERSION = 131; FRAMEWORK_SEARCH_PATHS = $SDKROOT/System/Library/PrivateFrameworks; @@ -595,7 +609,6 @@ ); OTHER_MIGFLAGS = "-I$(DERIVED_FILE_DIR)"; PRODUCT_NAME = debugserver; - "PROVISIONING_PROFILE[sdk=macosx*]" = ""; USER_HEADER_SEARCH_PATHS = "./source ../../source $(DERIVED_SOURCES_DIR)"; ZERO_LINK = NO; }; @@ -605,7 +618,6 @@ isa = XCBuildConfiguration; buildSettings = { "CODE_SIGN_ENTITLEMENTS[sdk=iphoneos*]" = "source/debugserver-entitlements.plist"; - "CODE_SIGN_IDENTITY[sdk=macosx*]" = lldb_codesign; COPY_PHASE_STRIP = YES; CURRENT_PROJECT_VERSION = 131; DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; @@ -635,7 +647,6 @@ ); OTHER_MIGFLAGS = "-I$(DERIVED_FILE_DIR)"; PRODUCT_NAME = debugserver; - "PROVISIONING_PROFILE[sdk=macosx*]" = ""; USER_HEADER_SEARCH_PATHS = "./source ../../source $(DERIVED_SOURCES_DIR)"; ZERO_LINK = NO; }; |
