| // 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); |
| } |
| } |
| |
| } // 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 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, |
| 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. |
| printf("\n"); |
| printf("Thread %d\n", thread_index); |
| PrintStack(process_state.threads()->at(thread_index), 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"); |
| } |
| |
| 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)); |
| } |
| } |
| } |
| |
| } // namespace google_breakpad |
