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authorEd Maste <emaste@FreeBSD.org>2014-11-25 21:00:58 +0000
committerEd Maste <emaste@FreeBSD.org>2014-11-25 21:00:58 +0000
commit0cac4ca3916ac24ab6139d03cbfd18db9e715bfe (patch)
treec94307da318be46e5aeea1a325c1e91749506e4f /source/Commands/CommandObjectDisassemble.cpp
parent03b99097822ca3ac69252d9afae716a584ed56c4 (diff)
downloadsrc-0cac4ca3916ac24ab6139d03cbfd18db9e715bfe.tar.gz
src-0cac4ca3916ac24ab6139d03cbfd18db9e715bfe.zip
Import LLDB as of upstream SVN r216948 (git 50f7fe44)vendor/lldb/lldb-r216948
This corresponds with the branchpoint for the 3.5 release. A number of files not required for the FreeBSD build have been removed. Sponsored by: DARPA, AFRL
Notes
Notes: svn path=/vendor/lldb/dist/; revision=275072 svn path=/vendor/lldb/lldb-r216948/; revision=275074; tag=vendor/lldb/lldb-r216948
Diffstat (limited to 'source/Commands/CommandObjectDisassemble.cpp')
-rw-r--r--source/Commands/CommandObjectDisassemble.cpp197
1 files changed, 121 insertions, 76 deletions
diff --git a/source/Commands/CommandObjectDisassemble.cpp b/source/Commands/CommandObjectDisassemble.cpp
index f9c683b364ce..8124ce1ef93b 100644
--- a/source/Commands/CommandObjectDisassemble.cpp
+++ b/source/Commands/CommandObjectDisassemble.cpp
@@ -232,29 +232,29 @@ CommandObjectDisassemble::CommandOptions::GetDefinitions ()
OptionDefinition
CommandObjectDisassemble::CommandOptions::g_option_table[] =
{
-{ LLDB_OPT_SET_ALL, false, "bytes" , 'b', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Show opcode bytes when disassembling."},
-{ LLDB_OPT_SET_ALL, false, "context" , 'C', OptionParser::eRequiredArgument , NULL, 0, eArgTypeNumLines, "Number of context lines of source to show."},
-{ LLDB_OPT_SET_ALL, false, "mixed" , 'm', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Enable mixed source and assembly display."},
-{ LLDB_OPT_SET_ALL, false, "raw" , 'r', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Print raw disassembly with no symbol information."},
-{ LLDB_OPT_SET_ALL, false, "plugin" , 'P', OptionParser::eRequiredArgument , NULL, 0, eArgTypePlugin, "Name of the disassembler plugin you want to use."},
-{ LLDB_OPT_SET_ALL, false, "flavor" , 'F', OptionParser::eRequiredArgument , NULL, 0, eArgTypeDisassemblyFlavor, "Name of the disassembly flavor you want to use. "
- "Currently the only valid options are default, and for Intel"
- " architectures, att and intel."},
-{ LLDB_OPT_SET_ALL, false, "arch" , 'A', OptionParser::eRequiredArgument , NULL, 0, eArgTypeArchitecture,"Specify the architecture to use from cross disassembly."},
+{ LLDB_OPT_SET_ALL, false, "bytes" , 'b', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Show opcode bytes when disassembling."},
+{ LLDB_OPT_SET_ALL, false, "context" , 'C', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeNumLines, "Number of context lines of source to show."},
+{ LLDB_OPT_SET_ALL, false, "mixed" , 'm', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Enable mixed source and assembly display."},
+{ LLDB_OPT_SET_ALL, false, "raw" , 'r', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Print raw disassembly with no symbol information."},
+{ LLDB_OPT_SET_ALL, false, "plugin" , 'P', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypePlugin, "Name of the disassembler plugin you want to use."},
+{ LLDB_OPT_SET_ALL, false, "flavor" , 'F', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeDisassemblyFlavor, "Name of the disassembly flavor you want to use. "
+ "Currently the only valid options are default, and for Intel"
+ " architectures, att and intel."},
+{ LLDB_OPT_SET_ALL, false, "arch" , 'A', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeArchitecture,"Specify the architecture to use from cross disassembly."},
{ LLDB_OPT_SET_1 |
- LLDB_OPT_SET_2 , true , "start-address", 's', OptionParser::eRequiredArgument , NULL, 0, eArgTypeAddressOrExpression,"Address at which to start disassembling."},
-{ LLDB_OPT_SET_1 , false, "end-address" , 'e', OptionParser::eRequiredArgument , NULL, 0, eArgTypeAddressOrExpression, "Address at which to end disassembling."},
+ LLDB_OPT_SET_2 , true , "start-address", 's', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeAddressOrExpression,"Address at which to start disassembling."},
+{ LLDB_OPT_SET_1 , false, "end-address" , 'e', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeAddressOrExpression, "Address at which to end disassembling."},
{ LLDB_OPT_SET_2 |
LLDB_OPT_SET_3 |
LLDB_OPT_SET_4 |
- LLDB_OPT_SET_5 , false, "count" , 'c', OptionParser::eRequiredArgument , NULL, 0, eArgTypeNumLines, "Number of instructions to display."},
-{ LLDB_OPT_SET_3 , false, "name" , 'n', OptionParser::eRequiredArgument , NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName,
- "Disassemble entire contents of the given function name."},
-{ LLDB_OPT_SET_4 , false, "frame" , 'f', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Disassemble from the start of the current frame's function."},
-{ LLDB_OPT_SET_5 , false, "pc" , 'p', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Disassemble around the current pc."},
-{ LLDB_OPT_SET_6 , false, "line" , 'l', OptionParser::eNoArgument , NULL, 0, eArgTypeNone, "Disassemble the current frame's current source line instructions if there is debug line table information, else disassemble around the pc."},
-{ LLDB_OPT_SET_7 , false, "address" , 'a', OptionParser::eRequiredArgument , NULL, 0, eArgTypeAddressOrExpression, "Disassemble function containing this address."},
-{ 0 , false, NULL , 0, 0 , NULL, 0, eArgTypeNone, NULL }
+ LLDB_OPT_SET_5 , false, "count" , 'c', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeNumLines, "Number of instructions to display."},
+{ LLDB_OPT_SET_3 , false, "name" , 'n', OptionParser::eRequiredArgument , NULL, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName,
+ "Disassemble entire contents of the given function name."},
+{ LLDB_OPT_SET_4 , false, "frame" , 'f', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Disassemble from the start of the current frame's function."},
+{ LLDB_OPT_SET_5 , false, "pc" , 'p', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Disassemble around the current pc."},
+{ LLDB_OPT_SET_6 , false, "line" , 'l', OptionParser::eNoArgument , NULL, NULL, 0, eArgTypeNone, "Disassemble the current frame's current source line instructions if there is debug line table information, else disassemble around the pc."},
+{ LLDB_OPT_SET_7 , false, "address" , 'a', OptionParser::eRequiredArgument , NULL, NULL, 0, eArgTypeAddressOrExpression, "Disassemble function containing this address."},
+{ 0 , false, NULL , 0, 0 , NULL, NULL, 0, eArgTypeNone, NULL }
};
@@ -370,6 +370,7 @@ CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
}
else
{
+ std::vector<AddressRange> ranges;
AddressRange range;
StackFrame *frame = m_exe_ctx.GetFramePtr();
if (m_options.frame_line)
@@ -425,6 +426,7 @@ CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
// Disassembling at the PC always disassembles some number of instructions (not the whole function).
m_options.num_instructions = DEFAULT_DISASM_NUM_INS;
}
+ ranges.push_back(range);
}
else
{
@@ -441,49 +443,75 @@ CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
}
range.SetByteSize (m_options.end_addr - m_options.start_addr);
}
+ ranges.push_back(range);
}
else
{
if (m_options.symbol_containing_addr != LLDB_INVALID_ADDRESS
- && target
- && !target->GetSectionLoadList().IsEmpty())
+ && target)
{
- bool failed = false;
- Address symbol_containing_address;
- if (target->GetSectionLoadList().ResolveLoadAddress (m_options.symbol_containing_addr, symbol_containing_address))
+ if (!target->GetSectionLoadList().IsEmpty())
{
- ModuleSP module_sp (symbol_containing_address.GetModule());
- SymbolContext sc;
- bool resolve_tail_call_address = true; // PC can be one past the address range of the function.
- module_sp->ResolveSymbolContextForAddress (symbol_containing_address, eSymbolContextEverything, sc,
- resolve_tail_call_address);
- if (sc.function || sc.symbol)
+ bool failed = false;
+ Address symbol_containing_address;
+ if (target->GetSectionLoadList().ResolveLoadAddress (m_options.symbol_containing_addr, symbol_containing_address))
{
- sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, range);
+ ModuleSP module_sp (symbol_containing_address.GetModule());
+ SymbolContext sc;
+ bool resolve_tail_call_address = true; // PC can be one past the address range of the function.
+ module_sp->ResolveSymbolContextForAddress (symbol_containing_address, eSymbolContextEverything, sc,
+ resolve_tail_call_address);
+ if (sc.function || sc.symbol)
+ {
+ sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, range);
+ }
+ else
+ {
+ failed = true;
+ }
}
else
{
failed = true;
}
+ if (failed)
+ {
+ result.AppendErrorWithFormat ("Could not find function bounds for address 0x%" PRIx64 "\n", m_options.symbol_containing_addr);
+ result.SetStatus (eReturnStatusFailed);
+ return false;
+ }
+ ranges.push_back(range);
}
else
{
- failed = true;
- }
- if (failed)
- {
- result.AppendErrorWithFormat ("Could not find function bounds for address 0x%" PRIx64 "\n", m_options.symbol_containing_addr);
- result.SetStatus (eReturnStatusFailed);
- return false;
+ for (lldb::ModuleSP module_sp : target->GetImages().Modules())
+ {
+ lldb::addr_t file_addr = m_options.symbol_containing_addr;
+ Address file_address;
+ if (module_sp->ResolveFileAddress(file_addr, file_address))
+ {
+ SymbolContext sc;
+ bool resolve_tail_call_address = true; // PC can be one past the address range of the function.
+ module_sp->ResolveSymbolContextForAddress (file_address, eSymbolContextEverything, sc, resolve_tail_call_address);
+ if (sc.function || sc.symbol)
+ {
+ sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, range);
+ ranges.push_back(range);
+ }
+ }
+ }
+
}
}
}
}
}
+ else
+ ranges.push_back(range);
if (m_options.num_instructions != 0)
{
- if (!range.GetBaseAddress().IsValid())
+ if (ranges.size() == 0)
{
// The default action is to disassemble the current frame function.
if (frame)
@@ -504,29 +532,38 @@ CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
return false;
}
}
-
- if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
- m_options.arch,
- plugin_name,
- flavor_string,
- m_exe_ctx,
- range.GetBaseAddress(),
- m_options.num_instructions,
- m_options.show_mixed ? m_options.num_lines_context : 0,
- options,
- result.GetOutputStream()))
- {
- result.SetStatus (eReturnStatusSuccessFinishResult);
- }
- else
+
+ bool print_sc_header = ranges.size() > 1;
+ for (AddressRange cur_range : ranges)
{
- result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
- result.SetStatus (eReturnStatusFailed);
+ if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
+ m_options.arch,
+ plugin_name,
+ flavor_string,
+ m_exe_ctx,
+ cur_range.GetBaseAddress(),
+ m_options.num_instructions,
+ m_options.show_mixed ? m_options.num_lines_context : 0,
+ options,
+ result.GetOutputStream()))
+ {
+ result.SetStatus (eReturnStatusSuccessFinishResult);
+ }
+ else
+ {
+ if (m_options.start_addr != LLDB_INVALID_ADDRESS)
+ result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
+ else if (m_options.symbol_containing_addr != LLDB_INVALID_ADDRESS)
+ result.AppendErrorWithFormat ("Failed to disassemble memory in function at 0x%8.8" PRIx64 ".\n", m_options.symbol_containing_addr);
+ result.SetStatus (eReturnStatusFailed);
+ }
}
+ if (print_sc_header)
+ result.AppendMessage("\n");
}
else
{
- if (!range.GetBaseAddress().IsValid())
+ if (ranges.size() == 0)
{
// The default action is to disassemble the current frame function.
if (frame)
@@ -548,27 +585,35 @@ CommandObjectDisassemble::DoExecute (Args& command, CommandReturnObject &result)
result.SetStatus (eReturnStatusFailed);
return false;
}
+ ranges.push_back(range);
}
- if (range.GetByteSize() == 0)
- range.SetByteSize(DEFAULT_DISASM_BYTE_SIZE);
-
- if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
- m_options.arch,
- plugin_name,
- flavor_string,
- m_exe_ctx,
- range,
- m_options.num_instructions,
- m_options.show_mixed ? m_options.num_lines_context : 0,
- options,
- result.GetOutputStream()))
+
+ bool print_sc_header = ranges.size() > 1;
+ for (AddressRange cur_range : ranges)
{
- result.SetStatus (eReturnStatusSuccessFinishResult);
- }
- else
- {
- result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
- result.SetStatus (eReturnStatusFailed);
+ if (cur_range.GetByteSize() == 0)
+ cur_range.SetByteSize(DEFAULT_DISASM_BYTE_SIZE);
+
+ if (Disassembler::Disassemble (m_interpreter.GetDebugger(),
+ m_options.arch,
+ plugin_name,
+ flavor_string,
+ m_exe_ctx,
+ cur_range,
+ m_options.num_instructions,
+ m_options.show_mixed ? m_options.num_lines_context : 0,
+ options,
+ result.GetOutputStream()))
+ {
+ result.SetStatus (eReturnStatusSuccessFinishResult);
+ }
+ else
+ {
+ result.AppendErrorWithFormat ("Failed to disassemble memory at 0x%8.8" PRIx64 ".\n", m_options.start_addr);
+ result.SetStatus (eReturnStatusFailed);
+ }
+ if (print_sc_header)
+ result.AppendMessage("\n");
}
}
}