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-rw-r--r--lldb/source/Core/EmulateInstruction.cpp170
1 files changed, 81 insertions, 89 deletions
diff --git a/lldb/source/Core/EmulateInstruction.cpp b/lldb/source/Core/EmulateInstruction.cpp
index 5a7006bd1f7..d730a532179 100644
--- a/lldb/source/Core/EmulateInstruction.cpp
+++ b/lldb/source/Core/EmulateInstruction.cpp
@@ -9,6 +9,7 @@
#include "lldb/Core/EmulateInstruction.h"
+#include "lldb/Core/Address.h"
#include "lldb/Core/DataBufferHeap.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Error.h"
@@ -17,6 +18,7 @@
#include "lldb/Host/Endian.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
@@ -25,7 +27,7 @@ using namespace lldb;
using namespace lldb_private;
EmulateInstruction*
-EmulateInstruction::FindPlugin (const ArchSpec &arch, const char *plugin_name)
+EmulateInstruction::FindPlugin (const ArchSpec &arch, InstructionType supported_inst_type, const char *plugin_name)
{
EmulateInstructionCreateInstance create_callback = NULL;
if (plugin_name)
@@ -33,7 +35,7 @@ EmulateInstruction::FindPlugin (const ArchSpec &arch, const char *plugin_name)
create_callback = PluginManager::GetEmulateInstructionCreateCallbackForPluginName (plugin_name);
if (create_callback)
{
- EmulateInstruction *emulate_insn_ptr = create_callback(arch);
+ EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type);
if (emulate_insn_ptr)
return emulate_insn_ptr;
}
@@ -42,7 +44,7 @@ EmulateInstruction::FindPlugin (const ArchSpec &arch, const char *plugin_name)
{
for (uint32_t idx = 0; (create_callback = PluginManager::GetEmulateInstructionCreateCallbackAtIndex(idx)) != NULL; ++idx)
{
- EmulateInstruction *emulate_insn_ptr = create_callback(arch);
+ EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type);
if (emulate_insn_ptr)
return emulate_insn_ptr;
}
@@ -50,47 +52,14 @@ EmulateInstruction::FindPlugin (const ArchSpec &arch, const char *plugin_name)
return NULL;
}
-EmulateInstruction::EmulateInstruction
-(
- lldb::ByteOrder byte_order,
- uint32_t addr_byte_size,
- const ArchSpec &arch,
- void *baton,
- ReadMemory read_mem_callback,
- WriteMemory write_mem_callback,
- ReadRegister read_reg_callback,
- WriteRegister write_reg_callback
-) :
- m_byte_order (endian::InlHostByteOrder()),
- m_addr_byte_size (addr_byte_size),
- m_arch (arch),
- m_baton (baton),
- m_read_mem_callback (read_mem_callback),
- m_write_mem_callback (write_mem_callback),
- m_read_reg_callback (read_reg_callback),
- m_write_reg_callback (write_reg_callback),
- m_opcode_pc (LLDB_INVALID_ADDRESS),
- m_opcode (),
- m_advance_pc (false)
-{
-}
-
-EmulateInstruction::EmulateInstruction
-(
- lldb::ByteOrder byte_order,
- uint32_t addr_byte_size,
- const ArchSpec &arch
-) :
- m_byte_order (endian::InlHostByteOrder()),
- m_addr_byte_size (addr_byte_size),
+EmulateInstruction::EmulateInstruction (const ArchSpec &arch) :
m_arch (arch),
m_baton (NULL),
m_read_mem_callback (&ReadMemoryDefault),
m_write_mem_callback (&WriteMemoryDefault),
m_read_reg_callback (&ReadRegisterDefault),
m_write_reg_callback (&WriteRegisterDefault),
- m_opcode_pc (LLDB_INVALID_ADDRESS),
- m_advance_pc (false)
+ m_opcode_pc (LLDB_INVALID_ADDRESS)
{
::memset (&m_opcode, 0, sizeof (m_opcode));
}
@@ -99,7 +68,7 @@ uint64_t
EmulateInstruction::ReadRegisterUnsigned (uint32_t reg_kind, uint32_t reg_num, uint64_t fail_value, bool *success_ptr)
{
uint64_t uval64 = 0;
- bool success = m_read_reg_callback (m_baton, reg_kind, reg_num, uval64);
+ bool success = m_read_reg_callback (this, m_baton, reg_kind, reg_num, uval64);
if (success_ptr)
*success_ptr = success;
if (!success)
@@ -110,7 +79,7 @@ EmulateInstruction::ReadRegisterUnsigned (uint32_t reg_kind, uint32_t reg_num, u
bool
EmulateInstruction::WriteRegisterUnsigned (const Context &context, uint32_t reg_kind, uint32_t reg_num, uint64_t reg_value)
{
- return m_write_reg_callback (m_baton, context, reg_kind, reg_num, reg_value);
+ return m_write_reg_callback (this, m_baton, context, reg_kind, reg_num, reg_value);
}
uint64_t
@@ -121,11 +90,11 @@ EmulateInstruction::ReadMemoryUnsigned (const Context &context, lldb::addr_t add
if (byte_size <= 8)
{
uint8_t buf[sizeof(uint64_t)];
- size_t bytes_read = m_read_mem_callback (m_baton, context, addr, buf, byte_size);
+ size_t bytes_read = m_read_mem_callback (this, m_baton, context, addr, buf, byte_size);
if (bytes_read == byte_size)
{
uint32_t offset = 0;
- DataExtractor data (buf, byte_size, m_byte_order, m_addr_byte_size);
+ DataExtractor data (buf, byte_size, GetByteOrder(), GetAddressByteSize());
uval64 = data.GetMaxU64 (&offset, byte_size);
success = true;
}
@@ -149,7 +118,7 @@ EmulateInstruction::WriteMemoryUnsigned (const Context &context,
StreamString strm(Stream::eBinary, GetAddressByteSize(), GetByteOrder());
strm.PutMaxHex64 (uval, uval_byte_size);
- size_t bytes_written = m_write_mem_callback (m_baton, context, addr, strm.GetData(), uval_byte_size);
+ size_t bytes_written = m_write_mem_callback (this, m_baton, context, addr, strm.GetData(), uval_byte_size);
if (bytes_written == uval_byte_size)
return true;
return false;
@@ -208,7 +177,8 @@ EmulateInstruction::SetWriteRegCallback (WriteRegister write_reg_callback)
//
size_t
-EmulateInstruction::ReadMemoryFrame (void *baton,
+EmulateInstruction::ReadMemoryFrame (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
lldb::addr_t addr,
void *dst,
@@ -233,7 +203,8 @@ EmulateInstruction::ReadMemoryFrame (void *baton,
}
size_t
-EmulateInstruction::WriteMemoryFrame (void *baton,
+EmulateInstruction::WriteMemoryFrame (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
lldb::addr_t addr,
const void *dst,
@@ -262,7 +233,8 @@ EmulateInstruction::WriteMemoryFrame (void *baton,
}
bool
-EmulateInstruction::ReadRegisterFrame (void *baton,
+EmulateInstruction::ReadRegisterFrame (EmulateInstruction *instruction,
+ void *baton,
uint32_t reg_kind,
uint32_t reg_num,
uint64_t &reg_value)
@@ -289,7 +261,8 @@ EmulateInstruction::ReadRegisterFrame (void *baton,
}
bool
-EmulateInstruction::WriteRegisterFrame (void *baton,
+EmulateInstruction::WriteRegisterFrame (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
uint32_t reg_kind,
uint32_t reg_num,
@@ -310,7 +283,8 @@ EmulateInstruction::WriteRegisterFrame (void *baton,
}
size_t
-EmulateInstruction::ReadMemoryDefault (void *baton,
+EmulateInstruction::ReadMemoryDefault (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
lldb::addr_t addr,
void *dst,
@@ -324,7 +298,8 @@ EmulateInstruction::ReadMemoryDefault (void *baton,
}
size_t
-EmulateInstruction::WriteMemoryDefault (void *baton,
+EmulateInstruction::WriteMemoryDefault (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
lldb::addr_t addr,
const void *dst,
@@ -336,7 +311,8 @@ EmulateInstruction::WriteMemoryDefault (void *baton,
}
bool
-EmulateInstruction::ReadRegisterDefault (void *baton,
+EmulateInstruction::ReadRegisterDefault (EmulateInstruction *instruction,
+ void *baton,
uint32_t reg_kind,
uint32_t reg_num,
uint64_t &reg_value)
@@ -350,7 +326,8 @@ EmulateInstruction::ReadRegisterDefault (void *baton,
}
bool
-EmulateInstruction::WriteRegisterDefault (void *baton,
+EmulateInstruction::WriteRegisterDefault (EmulateInstruction *instruction,
+ void *baton,
const Context &context,
uint32_t reg_kind,
uint32_t reg_num,
@@ -601,54 +578,69 @@ EmulateInstruction::PrintContext (const char *context_type, const Context &conte
}
}
-void
-EmulateInstruction::TranslateRegister (uint32_t kind, uint32_t num, std::string &name)
+bool
+EmulateInstruction::SetInstruction (const Opcode &opcode, const Address &inst_addr, Target *target)
{
- if (kind == eRegisterKindDWARF)
+ m_opcode = opcode;
+ m_opcode_pc = LLDB_INVALID_ADDRESS;
+ if (inst_addr.IsValid())
{
- if (num == 13) //dwarf_sp NOTE: This is ARM-SPECIFIC
- name = "sp";
- else if (num == 14) //dwarf_lr NOTE: This is ARM-SPECIFIC
- name = "lr";
- else if (num == 15) //dwarf_pc NOTE: This is ARM-SPECIFIC
- name = "pc";
- else if (num == 16) //dwarf_cpsr NOTE: This is ARM-SPECIFIC
- name = "cpsr";
- else
- {
- StreamString sstr;
-
- sstr.Printf ("r%d", num);
- name = sstr.GetData();
- }
-
+ if (target)
+ m_opcode_pc = inst_addr.GetLoadAddress (target);
+ if (m_opcode_pc == LLDB_INVALID_ADDRESS)
+ m_opcode_pc = inst_addr.GetFileAddress ();
}
- else if (kind == eRegisterKindGeneric)
+ return true;
+}
+
+
+const char *
+EmulateInstruction::TranslateRegister (uint32_t kind, uint32_t num, std::string &name)
+{
+ if (kind == eRegisterKindGeneric)
{
- if (num == LLDB_REGNUM_GENERIC_SP)
- name = "sp";
- else if (num == LLDB_REGNUM_GENERIC_FLAGS)
- name = "cpsr";
- else if (num == LLDB_REGNUM_GENERIC_PC)
- name = "pc";
- else if (num == LLDB_REGNUM_GENERIC_RA)
- name = "lr";
- else
+ switch (num)
{
- StreamString sstr;
-
- sstr.Printf ("r%d", num);
- name = sstr.GetData();
+ case LLDB_REGNUM_GENERIC_PC: name = "pc"; break;
+ case LLDB_REGNUM_GENERIC_SP: name = "sp"; break;
+ case LLDB_REGNUM_GENERIC_FP: name = "fp"; break;
+ case LLDB_REGNUM_GENERIC_RA: name = "ra"; break;
+ case LLDB_REGNUM_GENERIC_FLAGS: name = "flags"; break;
+ default: name.clear(); break;
}
+ if (!name.empty())
+ return name.c_str();
}
- else
+ const char *kind_cstr = NULL;
+
+ switch (kind)
{
- StreamString sstr;
+ case eRegisterKindGCC: // the register numbers seen in eh_frame
+ kind_cstr = "gcc";
+ break;
+
+ case eRegisterKindDWARF: // the register numbers seen DWARF
+ kind_cstr = "dwarf";
+ break;
- sstr.Printf ("r%d", num);
- name = sstr.GetData();
+ case eRegisterKindGeneric: // insn ptr reg, stack ptr reg, etc not specific to any particular target
+ kind_cstr = "generic";
+ break;
+
+ case eRegisterKindGDB: // the register numbers gdb uses (matches stabs numbers?)
+ kind_cstr = "gdb";
+ break;
+
+ case eRegisterKindLLDB: // lldb's internal register numbers
+ kind_cstr = "lldb";
+ break;
}
+
+
+ StreamString sstr;
+ sstr.Printf ("%s(%u)", kind_cstr, num);
+ name.swap (sstr.GetString());
+ return name.c_str();
}
-
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