blob: a6f21e1fcee462cd8a826fc4e721ca7c13f6b0f6 [file] [log] [blame]
/*
* Copyright 2006, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "DEBUG"
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <sys/ptrace.h>
#include <android/log.h>
#include <backtrace/Backtrace.h>
#include "machine.h"
#include "utility.h"
void dump_memory_and_code(log_t* log, Backtrace* backtrace) {
struct pt_regs r;
if (ptrace(PTRACE_GETREGS, backtrace->Tid(), 0, &r) == -1) {
ALOGE("cannot get registers: %s\n", strerror(errno));
return;
}
dump_memory(log, backtrace, static_cast<uintptr_t>(r.eax), "memory near eax:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.ebx), "memory near ebx:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.ecx), "memory near ecx:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.edx), "memory near edx:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.esi), "memory near esi:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.edi), "memory near edi:");
dump_memory(log, backtrace, static_cast<uintptr_t>(r.eip), "code around eip:");
}
void dump_registers(log_t* log, pid_t tid) {
struct pt_regs r;
if (ptrace(PTRACE_GETREGS, tid, 0, &r) == -1) {
ALOGE("cannot get registers: %s\n", strerror(errno));
return;
}
_LOG(log, logtype::REGISTERS, " eax %08lx ebx %08lx ecx %08lx edx %08lx\n",
r.eax, r.ebx, r.ecx, r.edx);
_LOG(log, logtype::REGISTERS, " esi %08lx edi %08lx\n",
r.esi, r.edi);
_LOG(log, logtype::REGISTERS, " xcs %08x xds %08x xes %08x xfs %08x xss %08x\n",
r.xcs, r.xds, r.xes, r.xfs, r.xss);
_LOG(log, logtype::REGISTERS, " eip %08lx ebp %08lx esp %08lx flags %08lx\n",
r.eip, r.ebp, r.esp, r.eflags);
}