diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/processor/stackwalk_common.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/processor/stackwalk_common.cc | 1036 |
1 files changed, 1036 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/processor/stackwalk_common.cc b/toolkit/crashreporter/google-breakpad/src/processor/stackwalk_common.cc new file mode 100644 index 0000000000..dc84352b61 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/processor/stackwalk_common.cc @@ -0,0 +1,1036 @@ +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// stackwalk_common.cc: Module shared by the {micro,mini}dump_stackwalck +// executables to print the content of dumps (w/ stack traces) on the console. +// +// Author: Mark Mentovai + +#include "processor/stackwalk_common.h" + +#include <assert.h> +#include <stdlib.h> +#include <string.h> + +#include <string> +#include <vector> + +#include "common/stdio_wrapper.h" +#include "common/using_std_string.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/process_state.h" +#include "google_breakpad/processor/source_line_resolver_interface.h" +#include "google_breakpad/processor/stack_frame_cpu.h" +#include "processor/logging.h" +#include "processor/pathname_stripper.h" + +namespace google_breakpad { + +namespace { + +using std::vector; + +// 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; +} + +// PrintStackContents prints the stack contents of the current frame to stdout. +static void PrintStackContents(const string &indent, + const StackFrame *frame, + const StackFrame *prev_frame, + const string &cpu, + const MemoryRegion *memory, + const CodeModules* modules, + SourceLineResolverInterface *resolver) { + // Find stack range. + int word_length = 0; + uint64_t stack_begin = 0, stack_end = 0; + if (cpu == "x86") { + word_length = 4; + const StackFrameX86 *frame_x86 = static_cast<const StackFrameX86*>(frame); + const StackFrameX86 *prev_frame_x86 = + static_cast<const StackFrameX86*>(prev_frame); + if ((frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESP) && + (prev_frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_ESP)) { + stack_begin = frame_x86->context.esp; + stack_end = prev_frame_x86->context.esp; + } + } else if (cpu == "amd64") { + word_length = 8; + const StackFrameAMD64 *frame_amd64 = + static_cast<const StackFrameAMD64*>(frame); + const StackFrameAMD64 *prev_frame_amd64 = + static_cast<const StackFrameAMD64*>(prev_frame); + if ((frame_amd64->context_validity & StackFrameAMD64::CONTEXT_VALID_RSP) && + (prev_frame_amd64->context_validity & + StackFrameAMD64::CONTEXT_VALID_RSP)) { + stack_begin = frame_amd64->context.rsp; + stack_end = prev_frame_amd64->context.rsp; + } + } else if (cpu == "arm") { + word_length = 4; + const StackFrameARM *frame_arm = static_cast<const StackFrameARM*>(frame); + const StackFrameARM *prev_frame_arm = + static_cast<const StackFrameARM*>(prev_frame); + if ((frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_SP) && + (prev_frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_SP)) { + stack_begin = frame_arm->context.iregs[13]; + stack_end = prev_frame_arm->context.iregs[13]; + } + } else if (cpu == "arm64") { + word_length = 8; + const StackFrameARM64 *frame_arm64 = + static_cast<const StackFrameARM64*>(frame); + const StackFrameARM64 *prev_frame_arm64 = + static_cast<const StackFrameARM64*>(prev_frame); + if ((frame_arm64->context_validity & StackFrameARM64::CONTEXT_VALID_SP) && + (prev_frame_arm64->context_validity & + StackFrameARM64::CONTEXT_VALID_SP)) { + stack_begin = frame_arm64->context.iregs[31]; + stack_end = prev_frame_arm64->context.iregs[31]; + } + } + if (!word_length || !stack_begin || !stack_end) + return; + + // Print stack contents. + printf("\n%sStack contents:", indent.c_str()); + for(uint64_t address = stack_begin; address < stack_end; ) { + // Print the start address of this row. + if (word_length == 4) + printf("\n%s %08x", indent.c_str(), static_cast<uint32_t>(address)); + else + printf("\n%s %016" PRIx64, indent.c_str(), address); + + // Print data in hex. + const int kBytesPerRow = 16; + string data_as_string; + for (int i = 0; i < kBytesPerRow; ++i, ++address) { + uint8_t value = 0; + if (address < stack_end && + memory->GetMemoryAtAddress(address, &value)) { + printf(" %02x", value); + data_as_string.push_back(isprint(value) ? value : '.'); + } else { + printf(" "); + data_as_string.push_back(' '); + } + } + // Print data as string. + printf(" %s", data_as_string.c_str()); + } + + // Try to find instruction pointers from stack. + printf("\n%sPossible instruction pointers:\n", indent.c_str()); + for (uint64_t address = stack_begin; address < stack_end; + address += word_length) { + StackFrame pointee_frame; + + // Read a word (possible instruction pointer) from stack. + if (word_length == 4) { + uint32_t data32 = 0; + memory->GetMemoryAtAddress(address, &data32); + pointee_frame.instruction = data32; + } else { + uint64_t data64 = 0; + memory->GetMemoryAtAddress(address, &data64); + pointee_frame.instruction = data64; + } + pointee_frame.module = + modules->GetModuleForAddress(pointee_frame.instruction); + + // Try to look up the function name. + if (pointee_frame.module) + resolver->FillSourceLineInfo(&pointee_frame); + + // Print function name. + if (!pointee_frame.function_name.empty()) { + if (word_length == 4) { + printf("%s *(0x%08x) = 0x%08x", indent.c_str(), + static_cast<uint32_t>(address), + static_cast<uint32_t>(pointee_frame.instruction)); + } else { + printf("%s *(0x%016" PRIx64 ") = 0x%016" PRIx64, + indent.c_str(), address, pointee_frame.instruction); + } + printf(" <%s> [%s : %d + 0x%" PRIx64 "]\n", + pointee_frame.function_name.c_str(), + PathnameStripper::File(pointee_frame.source_file_name).c_str(), + pointee_frame.source_line, + pointee_frame.instruction - pointee_frame.source_line_base); + } + } + printf("\n"); +} + +// 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, + bool output_stack_contents, + const MemoryRegion* memory, + const CodeModules* modules, + SourceLineResolverInterface* resolver) { + 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") || (cpu == "mips64")) { + 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()); + + // Print stack contents. + if (output_stack_contents && frame_index + 1 < frame_count) { + const string indent(" "); + PrintStackContents(indent, frame, stack->frames()->at(frame_index + 1), + cpu, memory, modules, resolver); + } + } +} + +// 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); + } +} + +// PrintUnloadedModulesMachineReadable outputs a list of loaded modules, +// one per line, in the following machine-readable pipe-delimited +// text format: +// UnloadedModule|{Module Filename}|{Base Address}|{Max Address}|{Main} +static void PrintUnloadedModulesMachineReadable(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("UnloadedModule%c%s%c0x%08" PRIx64 "%c0x%08" PRIx64 "%c%d\n", + kOutputSeparator, + StripSeparator(PathnameStripper::File(module->code_file())).c_str(), + kOutputSeparator, base_address, + kOutputSeparator, base_address + module->size() - 1, + kOutputSeparator, + main_module != NULL && base_address == main_address ? 1 : 0); + } +} + +} // namespace + +void PrintProcessState(const ProcessState& process_state, + bool output_stack_contents, + SourceLineResolverInterface* resolver) { + // 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 GPU information + string gl_version = process_state.system_info()->gl_version; + string gl_vendor = process_state.system_info()->gl_vendor; + string gl_renderer = process_state.system_info()->gl_renderer; + printf("GPU:"); + if (!gl_version.empty() || !gl_vendor.empty() || !gl_renderer.empty()) { + printf(" %s\n", gl_version.c_str()); + printf(" %s\n", gl_vendor.c_str()); + printf(" %s\n", gl_renderer.c_str()); + } else { + printf(" UNKNOWN\n"); + } + 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()); + } + + // Compute process uptime if the process creation and crash times are + // available in the dump. + if (process_state.time_date_stamp() != 0 && + process_state.process_create_time() != 0 && + process_state.time_date_stamp() >= process_state.process_create_time()) { + printf("Process uptime: %d seconds\n", + process_state.time_date_stamp() - + process_state.process_create_time()); + } else { + printf("Process uptime: not available\n"); + } + + if (!process_state.mac_crash_info().empty()) { + printf("\n"); + printf("Application-specific information:\n"); + printf("%s", process_state.mac_crash_info().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) { + const CallStack* requesting_thread_callstack = + process_state.threads()->at(requesting_thread); + printf("\n" + "Thread %d tid %u (%s)", + requesting_thread, + requesting_thread_callstack->tid(), + process_state.crashed() ? "crashed" : + "requested dump, did not crash"); + if (!requesting_thread_callstack->name().empty()) { + printf(" - %s", requesting_thread_callstack->name().c_str()); + } + PrintStack(requesting_thread_callstack, cpu, + output_stack_contents, + process_state.thread_memory_regions()->at(requesting_thread), + process_state.modules(), resolver); + } + + // 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. + const CallStack* callstack = process_state.threads()->at(thread_index); + printf("\n" + "Thread %d tid %u", thread_index, callstack->tid()); + if (!callstack->name().empty()) { + printf(" - %s", callstack->name().c_str()); + } + printf("\n"); + PrintStack(callstack, cpu, + output_stack_contents, + process_state.thread_memory_regions()->at(thread_index), + process_state.modules(), resolver); + } + } + + PrintModules(process_state.modules(), + process_state.modules_without_symbols(), + process_state.modules_with_corrupt_symbols()); +} + +void PrintProcessStateMachineReadable(const ProcessState& process_state) { + // Print OS and CPU information. + // OS|{OS Name}|{OS Version} + // CPU|{CPU Name}|{CPU Info}|{Number of CPUs} + // GPU|{GPU version}|{GPU vendor}|{GPU renderer} + 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); + printf("GPU%c%s%c%s%c%s\n", kOutputSeparator, + StripSeparator(process_state.system_info()->gl_version).c_str(), + kOutputSeparator, + StripSeparator(process_state.system_info()->gl_vendor).c_str(), + kOutputSeparator, + StripSeparator(process_state.system_info()->gl_renderer).c_str()); + + 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"); + } + + const crash_info_record_t* crash_info_records = + process_state.mac_crash_info_records(); + size_t num_records = + process_state.mac_crash_info_records_count(); + for (size_t i = 0; i < num_records; ++i) { + char thread_str[32]; + if (crash_info_records[i].thread) { + snprintf(thread_str, sizeof(thread_str), "0x%llx", + crash_info_records[i].thread); + } else { + strncpy(thread_str, "0", sizeof(thread_str)); + } + char dialog_mode_str[32]; + if (crash_info_records[i].dialog_mode) { + snprintf(dialog_mode_str, sizeof(dialog_mode_str), "0x%x", + crash_info_records[i].dialog_mode); + } else { + strncpy(dialog_mode_str, "0", sizeof(dialog_mode_str)); + } + char abort_cause_str[32]; + if (crash_info_records[i].abort_cause) { + snprintf(abort_cause_str, sizeof(abort_cause_str), "%lld", + crash_info_records[i].abort_cause); + } else { + strncpy(abort_cause_str, "0", sizeof(abort_cause_str)); + } + printf("MacCrashInfo%c%s%c%lu%c%s%c%s%c%s%c%s%c%s%c%s%c%s\n", + kOutputSeparator, crash_info_records[i].module_path.c_str(), + kOutputSeparator, crash_info_records[i].version, + kOutputSeparator, crash_info_records[i].message.c_str(), + kOutputSeparator, crash_info_records[i].signature_string.c_str(), + kOutputSeparator, crash_info_records[i].backtrace.c_str(), + kOutputSeparator, crash_info_records[i].message2.c_str(), + kOutputSeparator, thread_str, + kOutputSeparator, dialog_mode_str, + kOutputSeparator, abort_cause_str); + } + + PrintModulesMachineReadable(process_state.modules()); + PrintUnloadedModulesMachineReadable(process_state.unloaded_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)); + } + } +} + +} // namespace google_breakpad |