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Diffstat (limited to 'lldb/source/Plugins/Process/Utility/libunwind/include/unwind.h')
| -rw-r--r-- | lldb/source/Plugins/Process/Utility/libunwind/include/unwind.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/lldb/source/Plugins/Process/Utility/libunwind/include/unwind.h b/lldb/source/Plugins/Process/Utility/libunwind/include/unwind.h deleted file mode 100644 index 80b9d2881c2..00000000000 --- a/lldb/source/Plugins/Process/Utility/libunwind/include/unwind.h +++ /dev/null @@ -1,213 +0,0 @@ -/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 vi:set tabstop=4 expandtab: -*/ -//===-- unwind.h ------------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// C interface to libuwind -// -// Source compatible with Level 1 Base ABI documented at: -// http://www.codesourcery.com/public/cxx-abi/abi-eh.html -// -//===----------------------------------------------------------------------===// - - -#ifndef __UNWIND_H__ -#define __UNWIND_H__ - -#include <stdint.h> -#include <stddef.h> -#include <Availability.h> - -namespace lldb_private { - -typedef enum { - _URC_NO_REASON = 0, - _URC_FOREIGN_EXCEPTION_CAUGHT = 1, - _URC_FATAL_PHASE2_ERROR = 2, - _URC_FATAL_PHASE1_ERROR = 3, - _URC_NORMAL_STOP = 4, - _URC_END_OF_STACK = 5, - _URC_HANDLER_FOUND = 6, - _URC_INSTALL_CONTEXT = 7, - _URC_CONTINUE_UNWIND = 8 -} _Unwind_Reason_Code; - -typedef enum { - _UA_SEARCH_PHASE = 1, - _UA_CLEANUP_PHASE = 2, - _UA_HANDLER_FRAME = 4, - _UA_FORCE_UNWIND = 8, - _UA_END_OF_STACK = 16 // gcc extension to C++ ABI -} _Unwind_Action; - - -struct _Unwind_Context; // opaque -struct _Unwind_Exception; // forward declaration - -struct _Unwind_Exception { - uint64_t exception_class; - void (*exception_cleanup)(_Unwind_Reason_Code reason, struct _Unwind_Exception* exc); - uintptr_t private_1; // non-zero means forced unwind - uintptr_t private_2; // holds sp that phase1 found for phase2 to use -}; - - -typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn) - (int version, - _Unwind_Action actions, - uint64_t exceptionClass, - struct _Unwind_Exception* exceptionObject, - struct _Unwind_Context* context, - void* stop_parameter ); - - -typedef _Unwind_Reason_Code (*__personality_routine) - (int version, - _Unwind_Action actions, - uint64_t exceptionClass, - struct _Unwind_Exception* exceptionObject, - struct _Unwind_Context* context); - - - -#ifdef __cplusplus -extern "C" { -#endif - -// -// The following are the base functions documented by the C++ ABI -// -#if __arm__ - extern _Unwind_Reason_Code _Unwind_SjLj_RaiseException(struct _Unwind_Exception* exception_object); - extern void _Unwind_SjLj_Resume(struct _Unwind_Exception* exception_object); -#else - extern _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception* exception_object); - extern void _Unwind_Resume(struct _Unwind_Exception* exception_object); -#endif -extern void _Unwind_DeleteException(struct _Unwind_Exception* exception_object); -extern uintptr_t _Unwind_GetGR(struct _Unwind_Context* context, int index); -extern void _Unwind_SetGR(struct _Unwind_Context* context, int index, uintptr_t new_value); -extern uintptr_t _Unwind_GetIP(struct _Unwind_Context* context); -extern void _Unwind_SetIP(struct _Unwind_Context*, uintptr_t new_value); -extern uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context* context); -extern uintptr_t _Unwind_GetLanguageSpecificData(struct _Unwind_Context* context); -#if __arm__ - extern _Unwind_Reason_Code _Unwind_SjLj_ForcedUnwind(struct _Unwind_Exception* exception_object, _Unwind_Stop_Fn stop, void* stop_parameter ); -#else - extern _Unwind_Reason_Code _Unwind_ForcedUnwind(struct _Unwind_Exception* exception_object, _Unwind_Stop_Fn stop, void* stop_parameter ); -#endif - -#if __arm__ - typedef struct _Unwind_FunctionContext* _Unwind_FunctionContext_t; - extern void _Unwind_SjLj_Register(_Unwind_FunctionContext_t fc); - extern void _Unwind_SjLj_Unregister(_Unwind_FunctionContext_t fc); -#endif - -// -// The following are semi-suppoted extensions to the C++ ABI -// - - -// -// called by __cxa_rethrow(). -// -#if __arm__ - extern _Unwind_Reason_Code _Unwind_SjLj_Resume_or_Rethrow(struct _Unwind_Exception* exception_object); -#else - extern _Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception* exception_object); -#endif - - -// -// _Unwind_Backtrace() is a gcc extension that walks the stack and calls the -// _Unwind_Trace_Fn once per frame until it reaches the bottom of the stack -// or the _Unwind_Trace_Fn function returns something other than _URC_NO_REASON. -// -typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context*, void*); -extern _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void*); - - -// -// _Unwind_GetCFA is a gcc extension that can be called from within a personality -// handler to get the CFA (stack pointer before call) of current frame. -// -extern uintptr_t _Unwind_GetCFA(struct _Unwind_Context*); - - -// -// _Unwind_GetIPInfo is a gcc extension that can be called from within a personality -// handler. Similar to _Unwind_GetIP() but also returns in *ipBefore a non-zero -// value if the instruction pointer is at or before the instruction causing -// the unwind. Normally, in a function call, the IP returned is the return address -// which is after the call instruction and may be past the end of the function -// containing the call instruction. -// -extern uintptr_t _Unwind_GetIPInfo(struct _Unwind_Context* context, int* ipBefore); - - -// -// __register_frame() is used with dynamically generated code to register the FDE -// for a generated (JIT) code. The FDE must use pc-rel addressing to point to its -// function and optional LSDA. __register_frame() has existed in all versions of -// Mac OS X, but in 10.4 and 10.5 it was buggy and did not actually register the -// FDE with the unwinder. In 10.6 and later it does register properly. -// -extern void __register_frame(const void* fde); -extern void __deregister_frame(const void* fde); - - -// -// _Unwind_Find_FDE() will locate the FDE if the pc is in some function that has -// an associated FDE. Note, Mac OS X 10.6 and later, introduces "compact unwind info" -// which the runtime uses in preference to dwarf unwind info. This function -// will only work if the target function has an FDE but no compact unwind info. -// -struct dwarf_eh_bases -{ - uintptr_t tbase; - uintptr_t dbase; - uintptr_t func; -}; -extern const void* _Unwind_Find_FDE(const void* pc, struct dwarf_eh_bases*); - - -// -// This function attempts to find the start (address of first instruction) of -// a function given an address inside the function. It only works if the function -// has an FDE (dwarf unwind info). -// This function is unimplemented on Mac OS X 10.6 and later. Instead, use -// _Unwind_Find_FDE() and look at the dwarf_eh_bases.func result. -extern void* _Unwind_FindEnclosingFunction(void* pc); - - -// Mac OS X does not support text-rel and data-rel addressing so these functions are unimplemented -extern uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context* context) __attribute__((unavailable)); -extern uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context* context) __attribute__((unavailable)); - - - -// Mac OS X 10.4 and 10.5 had implementations of these functions in libgcc_s.dylib, -// but they never worked. These functions are no longer available. -extern void __register_frame_info_bases(const void* fde, void* ob, void* tb, void* db) __attribute__((unavailable)); -extern void __register_frame_info(const void* fde, void* ob) __attribute__((unavailable)); -extern void __register_frame_info_table_bases(const void* fde, void* ob,void* tb, void* db) __attribute__((unavailable)); -extern void __register_frame_info_table(const void* fde, void* ob) __attribute__((unavailable)); -extern void __register_frame_table(const void* fde) __attribute__((unavailable)); -extern void* __deregister_frame_info(const void* fde) __attribute__((unavailable)); -extern void* __deregister_frame_info_bases(const void* fde) __attribute__((unavailable)); - - -#ifdef __cplusplus -} -#endif - -}; // namespace lldb_private - -#endif // __UNWIND_H__ - - |
