67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/*
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** Copyright 2013, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "DEBUG"
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#include <errno.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/ptrace.h>
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#include <sys/user.h>
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#include <backtrace/Backtrace.h>
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#include <log/log.h>
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#include "machine.h"
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#include "utility.h"
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void dump_memory_and_code(log_t* log, Backtrace* backtrace) {
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struct user_regs_struct r;
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if (ptrace(PTRACE_GETREGS, backtrace->Tid(), 0, &r) == -1) {
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ALOGE("cannot get registers: %s\n", strerror(errno));
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return;
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}
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rax), "memory near rax:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rbx), "memory near rbx:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rcx), "memory near rcx:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rdx), "memory near rdx:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rsi), "memory near rsi:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rdi), "memory near rdi:");
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dump_memory(log, backtrace, static_cast<uintptr_t>(r.rip), "code around rip:");
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}
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void dump_registers(log_t* log, pid_t tid) {
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struct user_regs_struct r;
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if (ptrace(PTRACE_GETREGS, tid, 0, &r) == -1) {
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ALOGE("cannot get registers: %s\n", strerror(errno));
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return;
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}
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_LOG(log, logtype::REGISTERS, " rax %016lx rbx %016lx rcx %016lx rdx %016lx\n",
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r.rax, r.rbx, r.rcx, r.rdx);
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_LOG(log, logtype::REGISTERS, " rsi %016lx rdi %016lx\n",
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r.rsi, r.rdi);
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_LOG(log, logtype::REGISTERS, " r8 %016lx r9 %016lx r10 %016lx r11 %016lx\n",
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r.r8, r.r9, r.r10, r.r11);
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_LOG(log, logtype::REGISTERS, " r12 %016lx r13 %016lx r14 %016lx r15 %016lx\n",
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r.r12, r.r13, r.r14, r.r15);
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_LOG(log, logtype::REGISTERS, " cs %016lx ss %016lx\n",
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r.cs, r.ss);
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_LOG(log, logtype::REGISTERS, " rip %016lx rbp %016lx rsp %016lx eflags %016lx\n",
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r.rip, r.rbp, r.rsp, r.eflags);
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}
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