16cc492308712613cd23bee9240b1757428841a2fBruce Beare/* system/debuggerd/debuggerd.c 26cc492308712613cd23bee9240b1757428841a2fBruce Beare** 36cc492308712613cd23bee9240b1757428841a2fBruce Beare** Copyright 2006, The Android Open Source Project 46cc492308712613cd23bee9240b1757428841a2fBruce Beare** 56cc492308712613cd23bee9240b1757428841a2fBruce Beare** Licensed under the Apache License, Version 2.0 (the "License"); 66cc492308712613cd23bee9240b1757428841a2fBruce Beare** you may not use this file except in compliance with the License. 76cc492308712613cd23bee9240b1757428841a2fBruce Beare** You may obtain a copy of the License at 86cc492308712613cd23bee9240b1757428841a2fBruce Beare** 96cc492308712613cd23bee9240b1757428841a2fBruce Beare** http://www.apache.org/licenses/LICENSE-2.0 106cc492308712613cd23bee9240b1757428841a2fBruce Beare** 116cc492308712613cd23bee9240b1757428841a2fBruce Beare** Unless required by applicable law or agreed to in writing, software 126cc492308712613cd23bee9240b1757428841a2fBruce Beare** distributed under the License is distributed on an "AS IS" BASIS, 136cc492308712613cd23bee9240b1757428841a2fBruce Beare** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 146cc492308712613cd23bee9240b1757428841a2fBruce Beare** See the License for the specific language governing permissions and 156cc492308712613cd23bee9240b1757428841a2fBruce Beare** limitations under the License. 166cc492308712613cd23bee9240b1757428841a2fBruce Beare*/ 176cc492308712613cd23bee9240b1757428841a2fBruce Beare 18053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include <stddef.h> 19053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include <stdbool.h> 20053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include <stdlib.h> 21053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include <string.h> 226cc492308712613cd23bee9240b1757428841a2fBruce Beare#include <stdio.h> 236cc492308712613cd23bee9240b1757428841a2fBruce Beare#include <errno.h> 246cc492308712613cd23bee9240b1757428841a2fBruce Beare#include <sys/types.h> 256cc492308712613cd23bee9240b1757428841a2fBruce Beare#include <sys/ptrace.h> 266cc492308712613cd23bee9240b1757428841a2fBruce Beare 2713e715b491e876865e752a3a69dd6f347049a488Jeff Brown#include <corkscrew/ptrace.h> 2813e715b491e876865e752a3a69dd6f347049a488Jeff Brown 29053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include <linux/user.h> 306cc492308712613cd23bee9240b1757428841a2fBruce Beare 316cc492308712613cd23bee9240b1757428841a2fBruce Beare#include "../utility.h" 32053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown#include "../machine.h" 33053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown 34053b865412d1982ad1dc0e840898d82527deeb99Jeff Brownvoid dump_memory_and_code(const ptrace_context_t* context __attribute((unused)), 35053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown log_t* log, pid_t tid, bool at_fault) { 36053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown} 376cc492308712613cd23bee9240b1757428841a2fBruce Beare 38053b865412d1982ad1dc0e840898d82527deeb99Jeff Brownvoid dump_registers(const ptrace_context_t* context __attribute((unused)), 39053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown log_t* log, pid_t tid, bool at_fault) { 406cc492308712613cd23bee9240b1757428841a2fBruce Beare struct pt_regs_x86 r; 416cc492308712613cd23bee9240b1757428841a2fBruce Beare bool only_in_tombstone = !at_fault; 426cc492308712613cd23bee9240b1757428841a2fBruce Beare 43f0c5872637a63e28e3cd314cfc915c07f76df9c6Jeff Brown if(ptrace(PTRACE_GETREGS, tid, 0, &r)) { 44053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown _LOG(log, only_in_tombstone, "cannot get registers: %s\n", strerror(errno)); 456cc492308712613cd23bee9240b1757428841a2fBruce Beare return; 466cc492308712613cd23bee9240b1757428841a2fBruce Beare } 4713e715b491e876865e752a3a69dd6f347049a488Jeff Brown //if there is no stack, no print just like arm 486cc492308712613cd23bee9240b1757428841a2fBruce Beare if(!r.ebp) 496cc492308712613cd23bee9240b1757428841a2fBruce Beare return; 50053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown _LOG(log, only_in_tombstone, " eax %08x ebx %08x ecx %08x edx %08x\n", 516cc492308712613cd23bee9240b1757428841a2fBruce Beare r.eax, r.ebx, r.ecx, r.edx); 52053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown _LOG(log, only_in_tombstone, " esi %08x edi %08x\n", 536cc492308712613cd23bee9240b1757428841a2fBruce Beare r.esi, r.edi); 54053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown _LOG(log, only_in_tombstone, " xcs %08x xds %08x xes %08x xfs %08x xss %08x\n", 556cc492308712613cd23bee9240b1757428841a2fBruce Beare r.xcs, r.xds, r.xes, r.xfs, r.xss); 56053b865412d1982ad1dc0e840898d82527deeb99Jeff Brown _LOG(log, only_in_tombstone, " eip %08x ebp %08x esp %08x flags %08x\n", 576cc492308712613cd23bee9240b1757428841a2fBruce Beare r.eip, r.ebp, r.esp, r.eflags); 586cc492308712613cd23bee9240b1757428841a2fBruce Beare} 59