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Diffstat (limited to 'debuggerd/libdebuggerd/arm/machine.cpp')
-rw-r--r--debuggerd/libdebuggerd/arm/machine.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/debuggerd/libdebuggerd/arm/machine.cpp b/debuggerd/libdebuggerd/arm/machine.cpp
deleted file mode 100644
index bfb5ea4e9..000000000
--- a/debuggerd/libdebuggerd/arm/machine.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
1/*
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#define LOG_TAG "DEBUG"
19
20#include "libdebuggerd/machine.h"
21
22#include <errno.h>
23#include <stdint.h>
24#include <string.h>
25#include <sys/ptrace.h>
26
27#include <backtrace/Backtrace.h>
28#include <log/log.h>
29
30#include "libdebuggerd/utility.h"
31
32void dump_memory_and_code(log_t* log, Backtrace* backtrace) {
33 pt_regs regs;
34 if (ptrace(PTRACE_GETREGS, backtrace->Tid(), 0, &regs)) {
35 ALOGE("cannot get registers: %s\n", strerror(errno));
36 return;
37 }
38
39 static const char reg_names[] = "r0r1r2r3r4r5r6r7r8r9slfpipsp";
40
41 for (int reg = 0; reg < 14; reg++) {
42 dump_memory(log, backtrace, regs.uregs[reg], "memory near %.2s:", &reg_names[reg * 2]);
43 }
44
45 dump_memory(log, backtrace, static_cast<uintptr_t>(regs.ARM_pc), "code around pc:");
46
47 if (regs.ARM_pc != regs.ARM_lr) {
48 dump_memory(log, backtrace, static_cast<uintptr_t>(regs.ARM_lr), "code around lr:");
49 }
50}
51
52#define DUMP_GP_REGISTERS(log, reg_prefix) \
53 _LOG(log, logtype::REGISTERS, " r0 %08x r1 %08x r2 %08x r3 %08x\n", \
54 static_cast<uint32_t>(reg_prefix##r0), static_cast<uint32_t>(reg_prefix##r1), \
55 static_cast<uint32_t>(reg_prefix##r2), static_cast<uint32_t>(reg_prefix##r3)); \
56 _LOG(log, logtype::REGISTERS, " r4 %08x r5 %08x r6 %08x r7 %08x\n", \
57 static_cast<uint32_t>(reg_prefix##r4), static_cast<uint32_t>(reg_prefix##r5), \
58 static_cast<uint32_t>(reg_prefix##r6), static_cast<uint32_t>(reg_prefix##r7)); \
59 _LOG(log, logtype::REGISTERS, " r8 %08x r9 %08x sl %08x fp %08x\n", \
60 static_cast<uint32_t>(reg_prefix##r8), static_cast<uint32_t>(reg_prefix##r9), \
61 static_cast<uint32_t>(reg_prefix##r10), static_cast<uint32_t>(reg_prefix##fp)); \
62 _LOG(log, logtype::REGISTERS, " ip %08x sp %08x lr %08x pc %08x cpsr %08x\n", \
63 static_cast<uint32_t>(reg_prefix##ip), static_cast<uint32_t>(reg_prefix##sp), \
64 static_cast<uint32_t>(reg_prefix##lr), static_cast<uint32_t>(reg_prefix##pc), \
65 static_cast<uint32_t>(reg_prefix##cpsr))
66
67void dump_registers(log_t* log, pid_t tid) {
68 pt_regs r;
69 if (ptrace(PTRACE_GETREGS, tid, 0, &r)) {
70 ALOGE("cannot get registers: %s\n", strerror(errno));
71 return;
72 }
73
74 DUMP_GP_REGISTERS(log, r.ARM_);
75
76 user_vfp vfp_regs;
77 if (ptrace(PTRACE_GETVFPREGS, tid, 0, &vfp_regs)) {
78 ALOGE("cannot get FP registers: %s\n", strerror(errno));
79 return;
80 }
81
82 for (size_t i = 0; i < 32; i += 2) {
83 _LOG(log, logtype::FP_REGISTERS, " d%-2d %016llx d%-2d %016llx\n",
84 i, vfp_regs.fpregs[i], i+1, vfp_regs.fpregs[i+1]);
85 }
86 _LOG(log, logtype::FP_REGISTERS, " scr %08lx\n", vfp_regs.fpscr);
87}
88
89void dump_registers(log_t* log, const ucontext_t* uc) {
90 DUMP_GP_REGISTERS(log, uc->uc_mcontext.arm_);
91}