1/* system/debuggerd/debuggerd.c 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#include <stddef.h> 19#include <stdbool.h> 20#include <stdlib.h> 21#include <string.h> 22#include <stdio.h> 23#include <errno.h> 24#include <sys/types.h> 25#include <sys/ptrace.h> 26 27#include <corkscrew/ptrace.h> 28 29#include <linux/user.h> 30 31#include "../utility.h" 32#include "../machine.h" 33 34void dump_memory_and_code(const ptrace_context_t* context __attribute((unused)), 35 log_t* log, pid_t tid, bool at_fault) { 36} 37 38void dump_registers(const ptrace_context_t* context __attribute((unused)), 39 log_t* log, pid_t tid, bool at_fault) { 40 struct pt_regs_x86 r; 41 bool only_in_tombstone = !at_fault; 42 43 if(ptrace(PTRACE_GETREGS, tid, 0, &r)) { 44 _LOG(log, only_in_tombstone, "cannot get registers: %s\n", strerror(errno)); 45 return; 46 } 47 //if there is no stack, no print just like arm 48 if(!r.ebp) 49 return; 50 _LOG(log, only_in_tombstone, " eax %08x ebx %08x ecx %08x edx %08x\n", 51 r.eax, r.ebx, r.ecx, r.edx); 52 _LOG(log, only_in_tombstone, " esi %08x edi %08x\n", 53 r.esi, r.edi); 54 _LOG(log, only_in_tombstone, " xcs %08x xds %08x xes %08x xfs %08x xss %08x\n", 55 r.xcs, r.xds, r.xes, r.xfs, r.xss); 56 _LOG(log, only_in_tombstone, " eip %08x ebp %08x esp %08x flags %08x\n", 57 r.eip, r.ebp, r.esp, r.eflags); 58} 59