| // 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; | |
| using std::unique_ptr; | |
| // 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. | |
| vector<unique_ptr<StackFrame>> inlined_frames; | |
| if (pointee_frame.module) | |
| resolver->FillSourceLineInfo(&pointee_frame, &inlined_frames); | |
| // Print function name. | |
| auto print_function_name = [&](StackFrame* frame) { | |
| if (!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>(frame->instruction)); | |
| } else { | |
| printf("%s *(0x%016" PRIx64 ") = 0x%016" PRIx64, indent.c_str(), | |
| address, frame->instruction); | |
| } | |
| printf( | |
| " <%s> [%s : %d + 0x%" PRIx64 "]\n", frame->function_name.c_str(), | |
| PathnameStripper::File(frame->source_file_name).c_str(), | |
| frame->source_line, frame->instruction - frame->source_line_base); | |
| } | |
| }; | |
| print_function_name(&pointee_frame); | |
| for (unique_ptr<StackFrame> &frame : inlined_frames) | |
| print_function_name(frame.get()); | |
| } | |
| 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 "); | |
| // Inlined frames don't have registers info. | |
| if (frame->trust != StackFrameAMD64::FRAME_TRUST_INLINE) { | |
| 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, | |
| bool output_requesting_thread_only, | |
| 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); | |
| } | |
| if (!output_requesting_thread_only) { | |
| // 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 |