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Diffstat (limited to 'source/Core/EmulateInstruction.cpp')
-rw-r--r--source/Core/EmulateInstruction.cpp108
1 files changed, 44 insertions, 64 deletions
diff --git a/source/Core/EmulateInstruction.cpp b/source/Core/EmulateInstruction.cpp
index 9b6beeb8299a..e46cfb2d8945 100644
--- a/source/Core/EmulateInstruction.cpp
+++ b/source/Core/EmulateInstruction.cpp
@@ -9,6 +9,12 @@
#include "lldb/Core/EmulateInstruction.h"
+// C Includes
+// C++ Includes
+#include <cstring>
+
+// Other libraries and framework includes
+// Project includes
#include "lldb/Core/Address.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Error.h"
@@ -29,7 +35,7 @@ using namespace lldb_private;
EmulateInstruction*
EmulateInstruction::FindPlugin (const ArchSpec &arch, InstructionType supported_inst_type, const char *plugin_name)
{
- EmulateInstructionCreateInstance create_callback = NULL;
+ EmulateInstructionCreateInstance create_callback = nullptr;
if (plugin_name)
{
ConstString const_plugin_name (plugin_name);
@@ -43,33 +49,32 @@ EmulateInstruction::FindPlugin (const ArchSpec &arch, InstructionType supported_
}
else
{
- for (uint32_t idx = 0; (create_callback = PluginManager::GetEmulateInstructionCreateCallbackAtIndex(idx)) != NULL; ++idx)
+ for (uint32_t idx = 0; (create_callback = PluginManager::GetEmulateInstructionCreateCallbackAtIndex(idx)) != nullptr; ++idx)
{
EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type);
if (emulate_insn_ptr)
return emulate_insn_ptr;
}
}
- return NULL;
+ return nullptr;
}
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_addr (LLDB_INVALID_ADDRESS)
+ m_arch(arch),
+ m_baton(nullptr),
+ m_read_mem_callback(&ReadMemoryDefault),
+ m_write_mem_callback(&WriteMemoryDefault),
+ m_read_reg_callback(&ReadRegisterDefault),
+ m_write_reg_callback(&WriteRegisterDefault),
+ m_addr(LLDB_INVALID_ADDRESS)
{
::memset (&m_opcode, 0, sizeof (m_opcode));
}
-
bool
EmulateInstruction::ReadRegister (const RegisterInfo *reg_info, RegisterValue& reg_value)
{
- if (m_read_reg_callback)
+ if (m_read_reg_callback != nullptr)
return m_read_reg_callback (this, m_baton, reg_info, reg_value);
return false;
}
@@ -115,7 +120,7 @@ EmulateInstruction::WriteRegister (const Context &context,
const RegisterInfo *reg_info,
const RegisterValue& reg_value)
{
- if (m_write_reg_callback)
+ if (m_write_reg_callback != nullptr)
return m_write_reg_callback (this, m_baton, context, reg_info, reg_value);
return false;
}
@@ -132,14 +137,12 @@ EmulateInstruction::WriteRegister (const Context &context,
return false;
}
-
bool
EmulateInstruction::WriteRegisterUnsigned (const Context &context,
lldb::RegisterKind reg_kind,
uint32_t reg_num,
uint64_t uint_value)
{
-
RegisterInfo reg_info;
if (GetRegisterInfo(reg_kind, reg_num, reg_info))
{
@@ -155,8 +158,7 @@ EmulateInstruction::WriteRegisterUnsigned (const Context &context,
const RegisterInfo *reg_info,
uint64_t uint_value)
{
-
- if (reg_info)
+ if (reg_info != nullptr)
{
RegisterValue reg_value;
if (reg_value.SetUInt(uint_value, reg_info->byte_size))
@@ -171,7 +173,7 @@ EmulateInstruction::ReadMemory (const Context &context,
void *dst,
size_t dst_len)
{
- if (m_read_mem_callback)
+ if (m_read_mem_callback != nullptr)
return m_read_mem_callback (this, m_baton, context, addr, dst, dst_len) == dst_len;
return false;
}
@@ -202,7 +204,6 @@ EmulateInstruction::ReadMemoryUnsigned (const Context &context, lldb::addr_t add
return uval64;
}
-
bool
EmulateInstruction::WriteMemoryUnsigned (const Context &context,
lldb::addr_t addr,
@@ -213,9 +214,7 @@ EmulateInstruction::WriteMemoryUnsigned (const Context &context,
strm.PutMaxHex64 (uval, 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;
+ return (bytes_written == uval_byte_size);
}
bool
@@ -224,12 +223,11 @@ EmulateInstruction::WriteMemory (const Context &context,
const void *src,
size_t src_len)
{
- if (m_write_mem_callback)
+ if (m_write_mem_callback != nullptr)
return m_write_mem_callback (this, m_baton, context, addr, src, src_len) == src_len;
return false;
}
-
void
EmulateInstruction::SetBaton (void *baton)
{
@@ -254,29 +252,24 @@ EmulateInstruction::SetReadMemCallback (ReadMemoryCallback read_mem_callback)
m_read_mem_callback = read_mem_callback;
}
-
void
EmulateInstruction::SetWriteMemCallback (WriteMemoryCallback write_mem_callback)
{
m_write_mem_callback = write_mem_callback;
}
-
void
EmulateInstruction::SetReadRegCallback (ReadRegisterCallback read_reg_callback)
{
m_read_reg_callback = read_reg_callback;
}
-
void
EmulateInstruction::SetWriteRegCallback (WriteRegisterCallback write_reg_callback)
{
m_write_reg_callback = write_reg_callback;
}
-
-
//
// Read & Write Memory and Registers callback functions.
//
@@ -289,7 +282,7 @@ EmulateInstruction::ReadMemoryFrame (EmulateInstruction *instruction,
void *dst,
size_t dst_len)
{
- if (!baton || dst == NULL || dst_len == 0)
+ if (baton == nullptr || dst == nullptr || dst_len == 0)
return 0;
StackFrame *frame = (StackFrame *) baton;
@@ -311,7 +304,7 @@ EmulateInstruction::WriteMemoryFrame (EmulateInstruction *instruction,
const void *src,
size_t src_len)
{
- if (!baton || src == NULL || src_len == 0)
+ if (baton == nullptr || src == nullptr || src_len == 0)
return 0;
StackFrame *frame = (StackFrame *) baton;
@@ -332,7 +325,7 @@ EmulateInstruction::ReadRegisterFrame (EmulateInstruction *instruction,
const RegisterInfo *reg_info,
RegisterValue &reg_value)
{
- if (!baton)
+ if (baton == nullptr)
return false;
StackFrame *frame = (StackFrame *) baton;
@@ -346,7 +339,7 @@ EmulateInstruction::WriteRegisterFrame (EmulateInstruction *instruction,
const RegisterInfo *reg_info,
const RegisterValue &reg_value)
{
- if (!baton)
+ if (baton == nullptr)
return false;
StackFrame *frame = (StackFrame *) baton;
@@ -504,45 +497,35 @@ EmulateInstruction::Context::Dump (Stream &strm,
switch (info_type)
{
case eInfoTypeRegisterPlusOffset:
- {
- strm.Printf (" (reg_plus_offset = %s%+" PRId64 ")",
- info.RegisterPlusOffset.reg.name,
- info.RegisterPlusOffset.signed_offset);
- }
+ strm.Printf(" (reg_plus_offset = %s%+" PRId64 ")",
+ info.RegisterPlusOffset.reg.name,
+ info.RegisterPlusOffset.signed_offset);
break;
case eInfoTypeRegisterPlusIndirectOffset:
- {
- strm.Printf (" (reg_plus_reg = %s + %s)",
- 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:
- {
- strm.Printf (" (base_and_imm_offset = %s%+" PRId64 ", data_reg = %s)",
- info.RegisterToRegisterPlusOffset.base_reg.name,
- info.RegisterToRegisterPlusOffset.offset,
- info.RegisterToRegisterPlusOffset.data_reg.name);
- }
+ strm.Printf(" (base_and_imm_offset = %s%+" PRId64 ", data_reg = %s)",
+ info.RegisterToRegisterPlusOffset.base_reg.name,
+ info.RegisterToRegisterPlusOffset.offset,
+ info.RegisterToRegisterPlusOffset.data_reg.name);
break;
case eInfoTypeRegisterToRegisterPlusIndirectOffset:
- {
- 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);
- }
+ 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:
- {
- strm.Printf (" (register to register binary op: %s and %s)",
- 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:
@@ -599,7 +582,7 @@ EmulateInstruction::SetInstruction (const Opcode &opcode, const Address &inst_ad
m_addr = LLDB_INVALID_ADDRESS;
if (inst_addr.IsValid())
{
- if (target)
+ if (target != nullptr)
m_addr = inst_addr.GetLoadAddress (target);
if (m_addr == LLDB_INVALID_ADDRESS)
m_addr = inst_addr.GetFileAddress ();
@@ -661,12 +644,9 @@ EmulateInstruction::GetInternalRegisterNumber (RegisterContext *reg_ctx, const R
return LLDB_INVALID_REGNUM;
}
-
bool
EmulateInstruction::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan)
{
unwind_plan.Clear();
return false;
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:50:49 +0000