1c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin/* 2c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** Copyright 2013, The Android Open Source Project 3c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** 4c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** Licensed under the Apache License, Version 2.0 (the "License"); 5c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** you may not use this file except in compliance with the License. 6c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** You may obtain a copy of the License at 7c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** 8c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** http://www.apache.org/licenses/LICENSE-2.0 9c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** 10c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** Unless required by applicable law or agreed to in writing, software 11c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** distributed under the License is distributed on an "AS IS" BASIS, 12c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** See the License for the specific language governing permissions and 14c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin** limitations under the License. 15c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin*/ 16c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin 17b36b5923386be8d74da2767dfc1dc62a0012a655Christopher Ferris#define LOG_TAG "DEBUG" 18b36b5923386be8d74da2767dfc1dc62a0012a655Christopher Ferris 19c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin#include <errno.h> 20e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris#include <stdint.h> 21c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin#include <sys/ptrace.h> 22e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris#include <string.h> 23c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin#include <sys/user.h> 24c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin 25e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris#include <backtrace/Backtrace.h> 26b36b5923386be8d74da2767dfc1dc62a0012a655Christopher Ferris#include <log/log.h> 27e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris 28e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris#include "machine.h" 29e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris#include "utility.h" 30c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin 31e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferrisvoid dump_memory_and_code(log_t* log, Backtrace* backtrace) { 32e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris struct user_regs_struct r; 33e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris if (ptrace(PTRACE_GETREGS, backtrace->Tid(), 0, &r) == -1) { 34b36b5923386be8d74da2767dfc1dc62a0012a655Christopher Ferris ALOGE("cannot get registers: %s\n", strerror(errno)); 35e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris return; 36e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris } 37e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris 38e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rax), "memory near rax:"); 39e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rbx), "memory near rbx:"); 40e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rcx), "memory near rcx:"); 41e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rdx), "memory near rdx:"); 42e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rsi), "memory near rsi:"); 43e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rdi), "memory near rdi:"); 44e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris 45e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris dump_memory(log, backtrace, static_cast<uintptr_t>(r.rip), "code around rip:"); 46c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin} 47c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin 4862ba489ba00a2689d4e257bc178cff87495f99d7Brigid Smithvoid dump_registers(log_t* log, pid_t tid) { 49e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris struct user_regs_struct r; 50e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris if (ptrace(PTRACE_GETREGS, tid, 0, &r) == -1) { 51b36b5923386be8d74da2767dfc1dc62a0012a655Christopher Ferris ALOGE("cannot get registers: %s\n", strerror(errno)); 52e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris return; 53e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris } 54e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris 55e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " rax %016lx rbx %016lx rcx %016lx rdx %016lx\n", 56e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.rax, r.rbx, r.rcx, r.rdx); 57e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " rsi %016lx rdi %016lx\n", 58e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.rsi, r.rdi); 59e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " r8 %016lx r9 %016lx r10 %016lx r11 %016lx\n", 60e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.r8, r.r9, r.r10, r.r11); 61e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " r12 %016lx r13 %016lx r14 %016lx r15 %016lx\n", 62e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.r12, r.r13, r.r14, r.r15); 63e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " cs %016lx ss %016lx\n", 64e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.cs, r.ss); 65e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris _LOG(log, logtype::REGISTERS, " rip %016lx rbp %016lx rsp %016lx eflags %016lx\n", 66e8bc77eb845ab5557a4c98fe0da604d4a3740befChristopher Ferris r.rip, r.rbp, r.rsp, r.eflags); 67c6c194ced095df5e777b8fa24527ebd29c8fef54Pavel Chupin} 68