diff options
Diffstat (limited to 'src/processor/minidump_stackwalk.cc')
-rw-r--r-- | src/processor/minidump_stackwalk.cc | 743 |
1 files changed, 9 insertions, 734 deletions
diff --git a/src/processor/minidump_stackwalk.cc b/src/processor/minidump_stackwalk.cc index 47e08575..af45f1ff 100644 --- a/src/processor/minidump_stackwalk.cc +++ b/src/processor/minidump_stackwalk.cc @@ -33,7 +33,6 @@ // Author: Mark Mentovai #include <stdio.h> -#include <stdlib.h> #include <string.h> #include <string> @@ -42,744 +41,20 @@ #include "common/scoped_ptr.h" #include "common/using_std_string.h" #include "google_breakpad/processor/basic_source_line_resolver.h" -#include "google_breakpad/processor/call_stack.h" -#include "google_breakpad/processor/code_module.h" -#include "google_breakpad/processor/code_modules.h" -#include "google_breakpad/processor/minidump.h" #include "google_breakpad/processor/minidump_processor.h" #include "google_breakpad/processor/process_state.h" -#include "google_breakpad/processor/stack_frame_cpu.h" #include "processor/logging.h" -#include "processor/pathname_stripper.h" #include "processor/simple_symbol_supplier.h" +#include "processor/stackwalk_common.h" + namespace { -using std::vector; using google_breakpad::BasicSourceLineResolver; -using google_breakpad::CallStack; -using google_breakpad::CodeModule; -using google_breakpad::CodeModules; -using google_breakpad::MinidumpModule; using google_breakpad::MinidumpProcessor; -using google_breakpad::PathnameStripper; using google_breakpad::ProcessState; -using google_breakpad::scoped_ptr; using google_breakpad::SimpleSymbolSupplier; -using google_breakpad::StackFrame; -using google_breakpad::StackFramePPC; -using google_breakpad::StackFrameSPARC; -using google_breakpad::StackFrameX86; -using google_breakpad::StackFrameAMD64; -using google_breakpad::StackFrameARM; -using google_breakpad::StackFrameARM64; -using google_breakpad::StackFrameMIPS; - -// Separator character for machine readable output. -static const char kOutputSeparator = '|'; - -// PrintRegister prints a register's name and value to stdout. It will -// print four registers on a line. For the first register in a set, -// pass 0 for |start_col|. For registers in a set, pass the most recent -// return value of PrintRegister. -// The caller is responsible for printing the final newline after a set -// of registers is completely printed, regardless of the number of calls -// to PrintRegister. -static const int kMaxWidth = 80; // optimize for an 80-column terminal -static int PrintRegister(const char *name, uint32_t value, int start_col) { - char buffer[64]; - snprintf(buffer, sizeof(buffer), " %5s = 0x%08x", name, value); - - if (start_col + static_cast<ssize_t>(strlen(buffer)) > kMaxWidth) { - start_col = 0; - printf("\n "); - } - fputs(buffer, stdout); - - return start_col + strlen(buffer); -} - -// PrintRegister64 does the same thing, but for 64-bit registers. -static int PrintRegister64(const char *name, uint64_t value, int start_col) { - char buffer[64]; - snprintf(buffer, sizeof(buffer), " %5s = 0x%016" PRIx64 , name, value); - - if (start_col + static_cast<ssize_t>(strlen(buffer)) > kMaxWidth) { - start_col = 0; - printf("\n "); - } - fputs(buffer, stdout); - - return start_col + strlen(buffer); -} - -// StripSeparator takes a string |original| and returns a copy -// of the string with all occurences of |kOutputSeparator| removed. -static string StripSeparator(const string &original) { - string result = original; - string::size_type position = 0; - while ((position = result.find(kOutputSeparator, position)) != string::npos) { - result.erase(position, 1); - } - position = 0; - while ((position = result.find('\n', position)) != string::npos) { - result.erase(position, 1); - } - return result; -} - -// PrintStack prints the call stack in |stack| to stdout, in a reasonably -// useful form. Module, function, and source file names are displayed if -// they are available. The code offset to the base code address of the -// source line, function, or module is printed, preferring them in that -// order. If no source line, function, or module information is available, -// an absolute code offset is printed. -// -// If |cpu| is a recognized CPU name, relevant register state for each stack -// frame printed is also output, if available. -static void PrintStack(const CallStack *stack, const string &cpu) { - int frame_count = stack->frames()->size(); - if (frame_count == 0) { - printf(" <no frames>\n"); - } - for (int frame_index = 0; frame_index < frame_count; ++frame_index) { - const StackFrame *frame = stack->frames()->at(frame_index); - printf("%2d ", frame_index); - - uint64_t instruction_address = frame->ReturnAddress(); - - if (frame->module) { - printf("%s", PathnameStripper::File(frame->module->code_file()).c_str()); - if (!frame->function_name.empty()) { - printf("!%s", frame->function_name.c_str()); - if (!frame->source_file_name.empty()) { - string source_file = PathnameStripper::File(frame->source_file_name); - printf(" [%s : %d + 0x%" PRIx64 "]", - source_file.c_str(), - frame->source_line, - instruction_address - frame->source_line_base); - } else { - printf(" + 0x%" PRIx64, instruction_address - frame->function_base); - } - } else { - printf(" + 0x%" PRIx64, - instruction_address - frame->module->base_address()); - } - } else { - printf("0x%" PRIx64, instruction_address); - } - printf("\n "); - - int sequence = 0; - if (cpu == "x86") { - const StackFrameX86 *frame_x86 = - reinterpret_cast<const StackFrameX86*>(frame); - - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EIP) - sequence = PrintRegister("eip", frame_x86->context.eip, sequence); - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESP) - sequence = PrintRegister("esp", frame_x86->context.esp, sequence); - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBP) - sequence = PrintRegister("ebp", frame_x86->context.ebp, sequence); - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EBX) - sequence = PrintRegister("ebx", frame_x86->context.ebx, sequence); - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESI) - sequence = PrintRegister("esi", frame_x86->context.esi, sequence); - if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EDI) - sequence = PrintRegister("edi", frame_x86->context.edi, sequence); - if (frame_x86->context_validity == StackFrameX86::CONTEXT_VALID_ALL) { - sequence = PrintRegister("eax", frame_x86->context.eax, sequence); - sequence = PrintRegister("ecx", frame_x86->context.ecx, sequence); - sequence = PrintRegister("edx", frame_x86->context.edx, sequence); - sequence = PrintRegister("efl", frame_x86->context.eflags, sequence); - } - } else if (cpu == "ppc") { - const StackFramePPC *frame_ppc = - reinterpret_cast<const StackFramePPC*>(frame); - - if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_SRR0) - sequence = PrintRegister("srr0", frame_ppc->context.srr0, sequence); - if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_GPR1) - sequence = PrintRegister("r1", frame_ppc->context.gpr[1], sequence); - } else if (cpu == "amd64") { - const StackFrameAMD64 *frame_amd64 = - reinterpret_cast<const StackFrameAMD64*>(frame); - - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RAX) - sequence = PrintRegister64("rax", frame_amd64->context.rax, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDX) - sequence = PrintRegister64("rdx", frame_amd64->context.rdx, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RCX) - sequence = PrintRegister64("rcx", frame_amd64->context.rcx, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBX) - sequence = PrintRegister64("rbx", frame_amd64->context.rbx, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSI) - sequence = PrintRegister64("rsi", frame_amd64->context.rsi, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RDI) - sequence = PrintRegister64("rdi", frame_amd64->context.rdi, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RBP) - sequence = PrintRegister64("rbp", frame_amd64->context.rbp, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSP) - sequence = PrintRegister64("rsp", frame_amd64->context.rsp, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R8) - sequence = PrintRegister64("r8", frame_amd64->context.r8, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R9) - sequence = PrintRegister64("r9", frame_amd64->context.r9, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R10) - sequence = PrintRegister64("r10", frame_amd64->context.r10, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R11) - sequence = PrintRegister64("r11", frame_amd64->context.r11, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R12) - sequence = PrintRegister64("r12", frame_amd64->context.r12, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R13) - sequence = PrintRegister64("r13", frame_amd64->context.r13, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R14) - sequence = PrintRegister64("r14", frame_amd64->context.r14, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_R15) - sequence = PrintRegister64("r15", frame_amd64->context.r15, sequence); - if (frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RIP) - sequence = PrintRegister64("rip", frame_amd64->context.rip, sequence); - } else if (cpu == "sparc") { - const StackFrameSPARC *frame_sparc = - reinterpret_cast<const StackFrameSPARC*>(frame); - - if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_SP) - sequence = PrintRegister("sp", frame_sparc->context.g_r[14], sequence); - if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_FP) - sequence = PrintRegister("fp", frame_sparc->context.g_r[30], sequence); - if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_PC) - sequence = PrintRegister("pc", frame_sparc->context.pc, sequence); - } else if (cpu == "arm") { - const StackFrameARM *frame_arm = - reinterpret_cast<const StackFrameARM*>(frame); - - // Argument registers (caller-saves), which will likely only be valid - // for the youngest frame. - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R0) - sequence = PrintRegister("r0", frame_arm->context.iregs[0], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R1) - sequence = PrintRegister("r1", frame_arm->context.iregs[1], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R2) - sequence = PrintRegister("r2", frame_arm->context.iregs[2], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R3) - sequence = PrintRegister("r3", frame_arm->context.iregs[3], sequence); - - // General-purpose callee-saves registers. - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R4) - sequence = PrintRegister("r4", frame_arm->context.iregs[4], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R5) - sequence = PrintRegister("r5", frame_arm->context.iregs[5], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R6) - sequence = PrintRegister("r6", frame_arm->context.iregs[6], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R7) - sequence = PrintRegister("r7", frame_arm->context.iregs[7], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R8) - sequence = PrintRegister("r8", frame_arm->context.iregs[8], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R9) - sequence = PrintRegister("r9", frame_arm->context.iregs[9], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R10) - sequence = PrintRegister("r10", frame_arm->context.iregs[10], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R12) - sequence = PrintRegister("r12", frame_arm->context.iregs[12], sequence); - - // Registers with a dedicated or conventional purpose. - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_FP) - sequence = PrintRegister("fp", frame_arm->context.iregs[11], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_SP) - sequence = PrintRegister("sp", frame_arm->context.iregs[13], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_LR) - sequence = PrintRegister("lr", frame_arm->context.iregs[14], sequence); - if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_PC) - sequence = PrintRegister("pc", frame_arm->context.iregs[15], sequence); - } else if (cpu == "arm64") { - const StackFrameARM64 *frame_arm64 = - reinterpret_cast<const StackFrameARM64*>(frame); - - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X0) { - sequence = - PrintRegister64("x0", frame_arm64->context.iregs[0], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X1) { - sequence = - PrintRegister64("x1", frame_arm64->context.iregs[1], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X2) { - sequence = - PrintRegister64("x2", frame_arm64->context.iregs[2], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X3) { - sequence = - PrintRegister64("x3", frame_arm64->context.iregs[3], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X4) { - sequence = - PrintRegister64("x4", frame_arm64->context.iregs[4], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X5) { - sequence = - PrintRegister64("x5", frame_arm64->context.iregs[5], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X6) { - sequence = - PrintRegister64("x6", frame_arm64->context.iregs[6], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X7) { - sequence = - PrintRegister64("x7", frame_arm64->context.iregs[7], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X8) { - sequence = - PrintRegister64("x8", frame_arm64->context.iregs[8], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X9) { - sequence = - PrintRegister64("x9", frame_arm64->context.iregs[9], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X10) { - sequence = - PrintRegister64("x10", frame_arm64->context.iregs[10], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X11) { - sequence = - PrintRegister64("x11", frame_arm64->context.iregs[11], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X12) { - sequence = - PrintRegister64("x12", frame_arm64->context.iregs[12], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X13) { - sequence = - PrintRegister64("x13", frame_arm64->context.iregs[13], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X14) { - sequence = - PrintRegister64("x14", frame_arm64->context.iregs[14], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X15) { - sequence = - PrintRegister64("x15", frame_arm64->context.iregs[15], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X16) { - sequence = - PrintRegister64("x16", frame_arm64->context.iregs[16], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X17) { - sequence = - PrintRegister64("x17", frame_arm64->context.iregs[17], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X18) { - sequence = - PrintRegister64("x18", frame_arm64->context.iregs[18], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X19) { - sequence = - PrintRegister64("x19", frame_arm64->context.iregs[19], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X20) { - sequence = - PrintRegister64("x20", frame_arm64->context.iregs[20], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X21) { - sequence = - PrintRegister64("x21", frame_arm64->context.iregs[21], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X22) { - sequence = - PrintRegister64("x22", frame_arm64->context.iregs[22], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X23) { - sequence = - PrintRegister64("x23", frame_arm64->context.iregs[23], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X24) { - sequence = - PrintRegister64("x24", frame_arm64->context.iregs[24], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X25) { - sequence = - PrintRegister64("x25", frame_arm64->context.iregs[25], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X26) { - sequence = - PrintRegister64("x26", frame_arm64->context.iregs[26], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X27) { - sequence = - PrintRegister64("x27", frame_arm64->context.iregs[27], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_X28) { - sequence = - PrintRegister64("x28", frame_arm64->context.iregs[28], sequence); - } - - // Registers with a dedicated or conventional purpose. - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_FP) { - sequence = - PrintRegister64("fp", frame_arm64->context.iregs[29], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_LR) { - sequence = - PrintRegister64("lr", frame_arm64->context.iregs[30], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_SP) { - sequence = - PrintRegister64("sp", frame_arm64->context.iregs[31], sequence); - } - if (frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_PC) { - sequence = - PrintRegister64("pc", frame_arm64->context.iregs[32], sequence); - } - } else if (cpu == "mips") { - const StackFrameMIPS* frame_mips = - reinterpret_cast<const StackFrameMIPS*>(frame); - - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_GP) - sequence = PrintRegister64("gp", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_GP], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_SP) - sequence = PrintRegister64("sp", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_SP], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_FP) - sequence = PrintRegister64("fp", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_FP], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_RA) - sequence = PrintRegister64("ra", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_RA], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_PC) - sequence = PrintRegister64("pc", frame_mips->context.epc, sequence); - - // Save registers s0-s7 - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S0) - sequence = PrintRegister64("s0", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S0], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S1) - sequence = PrintRegister64("s1", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S1], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S2) - sequence = PrintRegister64("s2", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S2], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S3) - sequence = PrintRegister64("s3", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S3], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S4) - sequence = PrintRegister64("s4", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S4], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S5) - sequence = PrintRegister64("s5", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S5], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S6) - sequence = PrintRegister64("s6", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S6], - sequence); - if (frame_mips->context_validity & StackFrameMIPS::CONTEXT_VALID_S7) - sequence = PrintRegister64("s7", - frame_mips->context.iregs[MD_CONTEXT_MIPS_REG_S7], - sequence); - } - printf("\n Found by: %s\n", frame->trust_description().c_str()); - } -} - -// PrintStackMachineReadable prints the call stack in |stack| to stdout, -// in the following machine readable pipe-delimited text format: -// thread number|frame number|module|function|source file|line|offset -// -// Module, function, source file, and source line may all be empty -// depending on availability. The code offset follows the same rules as -// PrintStack above. -static void PrintStackMachineReadable(int thread_num, const CallStack *stack) { - int frame_count = stack->frames()->size(); - for (int frame_index = 0; frame_index < frame_count; ++frame_index) { - const StackFrame *frame = stack->frames()->at(frame_index); - printf("%d%c%d%c", thread_num, kOutputSeparator, frame_index, - kOutputSeparator); - - uint64_t instruction_address = frame->ReturnAddress(); - - if (frame->module) { - assert(!frame->module->code_file().empty()); - printf("%s", StripSeparator(PathnameStripper::File( - frame->module->code_file())).c_str()); - if (!frame->function_name.empty()) { - printf("%c%s", kOutputSeparator, - StripSeparator(frame->function_name).c_str()); - if (!frame->source_file_name.empty()) { - printf("%c%s%c%d%c0x%" PRIx64, - kOutputSeparator, - StripSeparator(frame->source_file_name).c_str(), - kOutputSeparator, - frame->source_line, - kOutputSeparator, - instruction_address - frame->source_line_base); - } else { - printf("%c%c%c0x%" PRIx64, - kOutputSeparator, // empty source file - kOutputSeparator, // empty source line - kOutputSeparator, - instruction_address - frame->function_base); - } - } else { - printf("%c%c%c%c0x%" PRIx64, - kOutputSeparator, // empty function name - kOutputSeparator, // empty source file - kOutputSeparator, // empty source line - kOutputSeparator, - instruction_address - frame->module->base_address()); - } - } else { - // the printf before this prints a trailing separator for module name - printf("%c%c%c%c0x%" PRIx64, - kOutputSeparator, // empty function name - kOutputSeparator, // empty source file - kOutputSeparator, // empty source line - kOutputSeparator, - instruction_address); - } - printf("\n"); - } -} - -// ContainsModule checks whether a given |module| is in the vector -// |modules_without_symbols|. -static bool ContainsModule( - const vector<const CodeModule*> *modules, - const CodeModule *module) { - assert(modules); - assert(module); - vector<const CodeModule*>::const_iterator iter; - for (iter = modules->begin(); iter != modules->end(); ++iter) { - if (module->debug_file().compare((*iter)->debug_file()) == 0 && - module->debug_identifier().compare((*iter)->debug_identifier()) == 0) { - return true; - } - } - return false; -} - -// PrintModule prints a single |module| to stdout. -// |modules_without_symbols| should contain the list of modules that were -// confirmed to be missing their symbols during the stack walk. -static void PrintModule( - const CodeModule *module, - const vector<const CodeModule*> *modules_without_symbols, - const vector<const CodeModule*> *modules_with_corrupt_symbols, - uint64_t main_address) { - string symbol_issues; - if (ContainsModule(modules_without_symbols, module)) { - symbol_issues = " (WARNING: No symbols, " + - PathnameStripper::File(module->debug_file()) + ", " + - module->debug_identifier() + ")"; - } else if (ContainsModule(modules_with_corrupt_symbols, module)) { - symbol_issues = " (WARNING: Corrupt symbols, " + - PathnameStripper::File(module->debug_file()) + ", " + - module->debug_identifier() + ")"; - } - uint64_t base_address = module->base_address(); - printf("0x%08" PRIx64 " - 0x%08" PRIx64 " %s %s%s%s\n", - base_address, base_address + module->size() - 1, - PathnameStripper::File(module->code_file()).c_str(), - module->version().empty() ? "???" : module->version().c_str(), - main_address != 0 && base_address == main_address ? " (main)" : "", - symbol_issues.c_str()); -} - -// PrintModules prints the list of all loaded |modules| to stdout. -// |modules_without_symbols| should contain the list of modules that were -// confirmed to be missing their symbols during the stack walk. -static void PrintModules( - const CodeModules *modules, - const vector<const CodeModule*> *modules_without_symbols, - const vector<const CodeModule*> *modules_with_corrupt_symbols) { - if (!modules) - return; - - printf("\n"); - printf("Loaded modules:\n"); - - uint64_t main_address = 0; - const CodeModule *main_module = modules->GetMainModule(); - if (main_module) { - main_address = main_module->base_address(); - } - - unsigned int module_count = modules->module_count(); - for (unsigned int module_sequence = 0; - module_sequence < module_count; - ++module_sequence) { - const CodeModule *module = modules->GetModuleAtSequence(module_sequence); - PrintModule(module, modules_without_symbols, modules_with_corrupt_symbols, - main_address); - } -} - -// PrintModulesMachineReadable outputs a list of loaded modules, -// one per line, in the following machine-readable pipe-delimited -// text format: -// Module|{Module Filename}|{Version}|{Debug Filename}|{Debug Identifier}| -// {Base Address}|{Max Address}|{Main} -static void PrintModulesMachineReadable(const CodeModules *modules) { - if (!modules) - return; - - uint64_t main_address = 0; - const CodeModule *main_module = modules->GetMainModule(); - if (main_module) { - main_address = main_module->base_address(); - } - - unsigned int module_count = modules->module_count(); - for (unsigned int module_sequence = 0; - module_sequence < module_count; - ++module_sequence) { - const CodeModule *module = modules->GetModuleAtSequence(module_sequence); - uint64_t base_address = module->base_address(); - printf("Module%c%s%c%s%c%s%c%s%c0x%08" PRIx64 "%c0x%08" PRIx64 "%c%d\n", - kOutputSeparator, - StripSeparator(PathnameStripper::File(module->code_file())).c_str(), - kOutputSeparator, StripSeparator(module->version()).c_str(), - kOutputSeparator, - StripSeparator(PathnameStripper::File(module->debug_file())).c_str(), - kOutputSeparator, - StripSeparator(module->debug_identifier()).c_str(), - kOutputSeparator, base_address, - kOutputSeparator, base_address + module->size() - 1, - kOutputSeparator, - main_module != NULL && base_address == main_address ? 1 : 0); - } -} - -static void PrintProcessState(const ProcessState& process_state) { - // Print OS and CPU information. - string cpu = process_state.system_info()->cpu; - string cpu_info = process_state.system_info()->cpu_info; - printf("Operating system: %s\n", process_state.system_info()->os.c_str()); - printf(" %s\n", - process_state.system_info()->os_version.c_str()); - printf("CPU: %s\n", cpu.c_str()); - if (!cpu_info.empty()) { - // This field is optional. - printf(" %s\n", cpu_info.c_str()); - } - printf(" %d CPU%s\n", - process_state.system_info()->cpu_count, - process_state.system_info()->cpu_count != 1 ? "s" : ""); - printf("\n"); - - // Print crash information. - if (process_state.crashed()) { - printf("Crash reason: %s\n", process_state.crash_reason().c_str()); - printf("Crash address: 0x%" PRIx64 "\n", process_state.crash_address()); - } else { - printf("No crash\n"); - } - - string assertion = process_state.assertion(); - if (!assertion.empty()) { - printf("Assertion: %s\n", assertion.c_str()); - } - - // If the thread that requested the dump is known, print it first. - int requesting_thread = process_state.requesting_thread(); - if (requesting_thread != -1) { - printf("\n"); - printf("Thread %d (%s)\n", - requesting_thread, - process_state.crashed() ? "crashed" : - "requested dump, did not crash"); - PrintStack(process_state.threads()->at(requesting_thread), cpu); - } - - // Print all of the threads in the dump. - int thread_count = process_state.threads()->size(); - for (int thread_index = 0; thread_index < thread_count; ++thread_index) { - if (thread_index != requesting_thread) { - // Don't print the crash thread again, it was already printed. - printf("\n"); - printf("Thread %d\n", thread_index); - PrintStack(process_state.threads()->at(thread_index), cpu); - } - } - - PrintModules(process_state.modules(), - process_state.modules_without_symbols(), - process_state.modules_with_corrupt_symbols()); -} - -static void PrintProcessStateMachineReadable(const ProcessState& process_state) -{ - // Print OS and CPU information. - // OS|{OS Name}|{OS Version} - // CPU|{CPU Name}|{CPU Info}|{Number of CPUs} - printf("OS%c%s%c%s\n", kOutputSeparator, - StripSeparator(process_state.system_info()->os).c_str(), - kOutputSeparator, - StripSeparator(process_state.system_info()->os_version).c_str()); - printf("CPU%c%s%c%s%c%d\n", kOutputSeparator, - StripSeparator(process_state.system_info()->cpu).c_str(), - kOutputSeparator, - // this may be empty - StripSeparator(process_state.system_info()->cpu_info).c_str(), - kOutputSeparator, - process_state.system_info()->cpu_count); - - int requesting_thread = process_state.requesting_thread(); - - // Print crash information. - // Crash|{Crash Reason}|{Crash Address}|{Crashed Thread} - printf("Crash%c", kOutputSeparator); - if (process_state.crashed()) { - printf("%s%c0x%" PRIx64 "%c", - StripSeparator(process_state.crash_reason()).c_str(), - kOutputSeparator, process_state.crash_address(), kOutputSeparator); - } else { - // print assertion info, if available, in place of crash reason, - // instead of the unhelpful "No crash" - string assertion = process_state.assertion(); - if (!assertion.empty()) { - printf("%s%c%c", StripSeparator(assertion).c_str(), - kOutputSeparator, kOutputSeparator); - } else { - printf("No crash%c%c", kOutputSeparator, kOutputSeparator); - } - } - - if (requesting_thread != -1) { - printf("%d\n", requesting_thread); - } else { - printf("\n"); - } - - PrintModulesMachineReadable(process_state.modules()); - - // blank line to indicate start of threads - printf("\n"); - - // If the thread that requested the dump is known, print it first. - if (requesting_thread != -1) { - PrintStackMachineReadable(requesting_thread, - process_state.threads()->at(requesting_thread)); - } - - // Print all of the threads in the dump. - int thread_count = process_state.threads()->size(); - for (int thread_index = 0; thread_index < thread_count; ++thread_index) { - if (thread_index != requesting_thread) { - // Don't print the crash thread again, it was already printed. - PrintStackMachineReadable(thread_index, - process_state.threads()->at(thread_index)); - } - } -} +using google_breakpad::scoped_ptr; // Processes |minidump_file| using MinidumpProcessor. |symbol_path|, if // non-empty, is the base directory of a symbol storage area, laid out in @@ -791,9 +66,9 @@ static void PrintProcessStateMachineReadable(const ProcessState& process_state) // information if the minidump was produced as a result of a crash, and // call stacks for each thread contained in the minidump. All information // is printed to stdout. -static bool PrintMinidumpProcess(const string &minidump_file, - const vector<string> &symbol_paths, - bool machine_readable) { +bool PrintMinidumpProcess(const string &minidump_file, + const std::vector<string> &symbol_paths, + bool machine_readable) { scoped_ptr<SimpleSymbolSupplier> symbol_supplier; if (!symbol_paths.empty()) { // TODO(mmentovai): check existence of symbol_path if specified? @@ -820,14 +95,14 @@ static bool PrintMinidumpProcess(const string &minidump_file, return true; } -} // namespace - -static void usage(const char *program_name) { +void usage(const char *program_name) { fprintf(stderr, "usage: %s [-m] <minidump-file> [symbol-path ...]\n" " -m : Output in machine-readable format\n", program_name); } +} // namespace + int main(int argc, char **argv) { BPLOG_INIT(&argc, &argv); |