132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
//===-- CommandObjectBugreport.cpp ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "CommandObjectBugreport.h"
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// C Includes
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#include <cstdio>
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Interpreter/OptionGroupOutputFile.h"
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#include "lldb/Target/Thread.h"
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using namespace lldb;
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using namespace lldb_private;
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//-------------------------------------------------------------------------
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// "bugreport unwind"
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//-------------------------------------------------------------------------
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class CommandObjectBugreportUnwind : public CommandObjectParsed {
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public:
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CommandObjectBugreportUnwind(CommandInterpreter &interpreter)
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: CommandObjectParsed(
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interpreter, "bugreport unwind",
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"Create a bugreport for a bug in the stack unwinding code.",
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nullptr),
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m_option_group(), m_outfile_options() {
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m_option_group.Append(&m_outfile_options, LLDB_OPT_SET_ALL,
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LLDB_OPT_SET_1 | LLDB_OPT_SET_2 | LLDB_OPT_SET_3);
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m_option_group.Finalize();
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}
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~CommandObjectBugreportUnwind() override {}
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Options *GetOptions() override { return &m_option_group; }
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protected:
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bool DoExecute(Args &command, CommandReturnObject &result) override {
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StringList commands;
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commands.AppendString("thread backtrace");
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Thread *thread = m_exe_ctx.GetThreadPtr();
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if (thread) {
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char command_buffer[256];
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uint32_t frame_count = thread->GetStackFrameCount();
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for (uint32_t i = 0; i < frame_count; ++i) {
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StackFrameSP frame = thread->GetStackFrameAtIndex(i);
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lldb::addr_t pc = frame->GetStackID().GetPC();
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snprintf(command_buffer, sizeof(command_buffer),
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"disassemble --bytes --address 0x%" PRIx64, pc);
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commands.AppendString(command_buffer);
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snprintf(command_buffer, sizeof(command_buffer),
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"image show-unwind --address 0x%" PRIx64, pc);
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commands.AppendString(command_buffer);
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}
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}
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const FileSpec &outfile_spec =
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m_outfile_options.GetFile().GetCurrentValue();
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if (outfile_spec) {
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char path[PATH_MAX];
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outfile_spec.GetPath(path, sizeof(path));
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uint32_t open_options =
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File::eOpenOptionWrite | File::eOpenOptionCanCreate |
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File::eOpenOptionAppend | File::eOpenOptionCloseOnExec;
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const bool append = m_outfile_options.GetAppend().GetCurrentValue();
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if (!append)
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open_options |= File::eOpenOptionTruncate;
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StreamFileSP outfile_stream = std::make_shared<StreamFile>();
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Status error = outfile_stream->GetFile().Open(path, open_options);
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if (error.Fail()) {
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result.AppendErrorWithFormat("Failed to open file '%s' for %s: %s\n",
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path, append ? "append" : "write",
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error.AsCString());
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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result.SetImmediateOutputStream(outfile_stream);
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}
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CommandInterpreterRunOptions options;
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options.SetStopOnError(false);
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options.SetEchoCommands(true);
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options.SetPrintResults(true);
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options.SetAddToHistory(false);
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m_interpreter.HandleCommands(commands, &m_exe_ctx, options, result);
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return result.Succeeded();
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}
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private:
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OptionGroupOptions m_option_group;
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OptionGroupOutputFile m_outfile_options;
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};
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#pragma mark CommandObjectMultiwordBugreport
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//-------------------------------------------------------------------------
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// CommandObjectMultiwordBugreport
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//-------------------------------------------------------------------------
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CommandObjectMultiwordBugreport::CommandObjectMultiwordBugreport(
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CommandInterpreter &interpreter)
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: CommandObjectMultiword(
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interpreter, "bugreport",
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"Commands for creating domain-specific bug reports.",
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"bugreport <subcommand> [<subcommand-options>]") {
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LoadSubCommand(
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"unwind", CommandObjectSP(new CommandObjectBugreportUnwind(interpreter)));
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}
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CommandObjectMultiwordBugreport::~CommandObjectMultiwordBugreport() {}
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