bool
Disassembler::PrintInstructions
(
Disassembler *disasm_ptr,
Debugger &debugger,
const ArchSpec &arch,
const ExecutionContext &exe_ctx,
uint32_t num_instructions,
uint32_t num_mixed_context_lines,
uint32_t options,
Stream &strm
)
{
// We got some things disassembled...
size_t num_instructions_found = disasm_ptr->GetInstructionList().GetSize();
if (num_instructions > 0 && num_instructions < num_instructions_found)
num_instructions_found = num_instructions;
const uint32_t max_opcode_byte_size = disasm_ptr->GetInstructionList().GetMaxOpcocdeByteSize ();
uint32_t offset = 0;
SymbolContext sc;
SymbolContext prev_sc;
AddressRange sc_range;
const Address *pc_addr_ptr = NULL;
ExecutionContextScope *exe_scope = exe_ctx.GetBestExecutionContextScope();
Frame *frame = exe_ctx.GetFramePtr();
TargetSP target_sp (exe_ctx.GetTargetSP());
SourceManager &source_manager = target_sp ? target_sp->GetSourceManager() : debugger.GetSourceManager();
if (frame)
pc_addr_ptr = &frame->GetFrameCodeAddress();
const uint32_t scope = eSymbolContextLineEntry | eSymbolContextFunction | eSymbolContextSymbol;
const bool use_inline_block_range = false;
for (size_t i=0; i<num_instructions_found; ++i)
{
Instruction *inst = disasm_ptr->GetInstructionList().GetInstructionAtIndex (i).get();
if (inst)
{
const Address &addr = inst->GetAddress();
const bool inst_is_at_pc = pc_addr_ptr && addr == *pc_addr_ptr;
prev_sc = sc;
ModuleSP module_sp (addr.GetModule());
if (module_sp)
{
uint32_t resolved_mask = module_sp->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc);
if (resolved_mask)
{
if (num_mixed_context_lines)
{
if (!sc_range.ContainsFileAddress (addr))
{
sc.GetAddressRange (scope, 0, use_inline_block_range, sc_range);
if (sc != prev_sc)
{
if (offset != 0)
strm.EOL();
sc.DumpStopContext(&strm, exe_ctx.GetProcessPtr(), addr, false, true, false);
strm.EOL();
if (sc.comp_unit && sc.line_entry.IsValid())
{
source_manager.DisplaySourceLinesWithLineNumbers (sc.line_entry.file,
sc.line_entry.line,
num_mixed_context_lines,
num_mixed_context_lines,
((inst_is_at_pc && (options & eOptionMarkPCSourceLine)) ? "->" : ""),
&strm);
}
}
}
}
else if ((sc.function || sc.symbol) && (sc.function != prev_sc.function || sc.symbol != prev_sc.symbol))
{
if (prev_sc.function || prev_sc.symbol)
strm.EOL();
bool show_fullpaths = false;
bool show_module = true;
bool show_inlined_frames = true;
sc.DumpStopContext (&strm,
exe_scope,
addr,
show_fullpaths,
show_module,
show_inlined_frames);
strm << ":\n";
}
}
else
{
sc.Clear(true);
}
}
if ((options & eOptionMarkPCAddress) && pc_addr_ptr)
{
strm.PutCString(inst_is_at_pc ? "-> " : " ");
}
const bool show_bytes = (options & eOptionShowBytes) != 0;
inst->Dump(&strm, max_opcode_byte_size, true, show_bytes, &exe_ctx);
strm.EOL();
}
else
{
break;
}
}
return true;
}
bool
Disassembler::PrintInstructions
(
Disassembler *disasm_ptr,
Debugger &debugger,
const ArchSpec &arch,
const ExecutionContext &exe_ctx,
uint32_t num_instructions,
uint32_t num_mixed_context_lines,
uint32_t options,
Stream &strm
)
{
// We got some things disassembled...
size_t num_instructions_found = disasm_ptr->GetInstructionList().GetSize();
if (num_instructions > 0 && num_instructions < num_instructions_found)
num_instructions_found = num_instructions;
const uint32_t max_opcode_byte_size = disasm_ptr->GetInstructionList().GetMaxOpcocdeByteSize ();
uint32_t offset = 0;
SymbolContext sc;
SymbolContext prev_sc;
AddressRange sc_range;
const Address *pc_addr_ptr = NULL;
StackFrame *frame = exe_ctx.GetFramePtr();
TargetSP target_sp (exe_ctx.GetTargetSP());
SourceManager &source_manager = target_sp ? target_sp->GetSourceManager() : debugger.GetSourceManager();
if (frame)
{
pc_addr_ptr = &frame->GetFrameCodeAddress();
}
const uint32_t scope = eSymbolContextLineEntry | eSymbolContextFunction | eSymbolContextSymbol;
const bool use_inline_block_range = false;
const FormatEntity::Entry *disassembly_format = NULL;
FormatEntity::Entry format;
if (exe_ctx.HasTargetScope())
{
disassembly_format = exe_ctx.GetTargetRef().GetDebugger().GetDisassemblyFormat ();
}
else
{
FormatEntity::Parse("${addr}: ", format);
disassembly_format = &format;
}
// First pass: step through the list of instructions,
// find how long the initial addresses strings are, insert padding
// in the second pass so the opcodes all line up nicely.
size_t address_text_size = 0;
for (size_t i = 0; i < num_instructions_found; ++i)
{
Instruction *inst = disasm_ptr->GetInstructionList().GetInstructionAtIndex (i).get();
if (inst)
{
const Address &addr = inst->GetAddress();
ModuleSP module_sp (addr.GetModule());
if (module_sp)
{
const uint32_t resolve_mask = eSymbolContextFunction | eSymbolContextSymbol;
uint32_t resolved_mask = module_sp->ResolveSymbolContextForAddress(addr, resolve_mask, sc);
if (resolved_mask)
{
StreamString strmstr;
Debugger::FormatDisassemblerAddress (disassembly_format, &sc, NULL, &exe_ctx, &addr, strmstr);
size_t cur_line = strmstr.GetSizeOfLastLine();
if (cur_line > address_text_size)
address_text_size = cur_line;
}
sc.Clear(false);
}
}
}
for (size_t i = 0; i < num_instructions_found; ++i)
{
Instruction *inst = disasm_ptr->GetInstructionList().GetInstructionAtIndex (i).get();
if (inst)
{
const Address &addr = inst->GetAddress();
const bool inst_is_at_pc = pc_addr_ptr && addr == *pc_addr_ptr;
prev_sc = sc;
ModuleSP module_sp (addr.GetModule());
if (module_sp)
{
uint32_t resolved_mask = module_sp->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc);
if (resolved_mask)
{
if (num_mixed_context_lines)
{
if (!sc_range.ContainsFileAddress (addr))
{
sc.GetAddressRange (scope, 0, use_inline_block_range, sc_range);
if (sc != prev_sc)
{
if (offset != 0)
strm.EOL();
sc.DumpStopContext(&strm, exe_ctx.GetProcessPtr(), addr, false, true, false, false, true);
strm.EOL();
if (sc.comp_unit && sc.line_entry.IsValid())
{
source_manager.DisplaySourceLinesWithLineNumbers (sc.line_entry.file,
sc.line_entry.line,
num_mixed_context_lines,
num_mixed_context_lines,
((inst_is_at_pc && (options & eOptionMarkPCSourceLine)) ? "->" : ""),
&strm);
}
}
}
}
}
else
{
sc.Clear(true);
}
}
const bool show_bytes = (options & eOptionShowBytes) != 0;
inst->Dump (&strm, max_opcode_byte_size, true, show_bytes, &exe_ctx, &sc, &prev_sc, NULL, address_text_size);
strm.EOL();
}
else
{
break;
}
}
return true;
}
bool
Disassembler::Disassemble
(
Debugger &debugger,
const ArchSpec &arch,
const ExecutionContext &exe_ctx,
const AddressRange &disasm_range,
uint32_t num_mixed_context_lines,
bool show_bytes,
Stream &strm
)
{
if (disasm_range.GetByteSize())
{
Disassembler *disassembler = Disassembler::FindPlugin(arch);
if (disassembler)
{
AddressRange range(disasm_range);
Process *process = exe_ctx.process;
// If we weren't passed in a section offset address range,
// try and resolve it to something
if (range.GetBaseAddress().IsSectionOffset() == false)
{
if (process && process->IsAlive())
{
process->ResolveLoadAddress (range.GetBaseAddress().GetOffset(), range.GetBaseAddress());
}
else if (exe_ctx.target)
{
exe_ctx.target->GetImages().ResolveFileAddress (range.GetBaseAddress().GetOffset(), range.GetBaseAddress());
}
}
DataExtractor data;
size_t bytes_disassembled = disassembler->ParseInstructions (&exe_ctx, range, data);
if (bytes_disassembled == 0)
{
return false;
}
else
{
// We got some things disassembled...
size_t num_instructions = disassembler->GetInstructionList().GetSize();
uint32_t offset = 0;
SymbolContext sc;
SymbolContext prev_sc;
AddressRange sc_range;
if (num_mixed_context_lines)
strm.IndentMore ();
Address addr(range.GetBaseAddress());
// We extract the section to make sure we don't transition out
// of the current section when disassembling
const Section *addr_section = addr.GetSection();
Module *range_module = range.GetBaseAddress().GetModule();
for (size_t i=0; i<num_instructions; ++i)
{
Disassembler::Instruction *inst = disassembler->GetInstructionList().GetInstructionAtIndex (i);
if (inst)
{
addr_t file_addr = addr.GetFileAddress();
if (addr_section == NULL || addr_section->ContainsFileAddress (file_addr) == false)
{
if (range_module)
range_module->ResolveFileAddress (file_addr, addr);
else if (exe_ctx.target)
exe_ctx.target->GetImages().ResolveFileAddress (file_addr, addr);
addr_section = addr.GetSection();
}
prev_sc = sc;
if (addr_section)
{
Module *module = addr_section->GetModule();
uint32_t resolved_mask = module->ResolveSymbolContextForAddress(addr, eSymbolContextEverything, sc);
if (resolved_mask)
{
if (prev_sc.function != sc.function || prev_sc.symbol != sc.symbol)
{
if (prev_sc.function || prev_sc.symbol)
strm.EOL();
strm << sc.module_sp->GetFileSpec().GetFilename();
if (sc.function)
strm << '`' << sc.function->GetMangled().GetName();
else if (sc.symbol)
strm << '`' << sc.symbol->GetMangled().GetName();
strm << ":\n";
}
if (num_mixed_context_lines && !sc_range.ContainsFileAddress (addr))
{
sc.GetAddressRange (eSymbolContextEverything, sc_range);
if (sc != prev_sc)
{
if (offset != 0)
strm.EOL();
sc.DumpStopContext(&strm, process, addr);
if (sc.comp_unit && sc.line_entry.IsValid())
{
debugger.GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.line_entry.file,
sc.line_entry.line,
num_mixed_context_lines,
num_mixed_context_lines,
num_mixed_context_lines ? "->" : "",
&strm);
}
}
}
}
else
{
sc.Clear();
}
}
if (num_mixed_context_lines)
strm.IndentMore ();
strm.Indent();
size_t inst_byte_size = inst->GetByteSize();
inst->Dump(&strm, &addr, show_bytes ? &data : NULL, offset, exe_ctx, show_bytes);
strm.EOL();
offset += inst_byte_size;
addr.SetOffset (addr.GetOffset() + inst_byte_size);
if (num_mixed_context_lines)
strm.IndentLess ();
}
else
{
break;
}
}
if (num_mixed_context_lines)
strm.IndentLess ();
}
}
return true;
}
return false;
}
