diff options
Diffstat (limited to 'libcorkscrew/arch-arm/ptrace-arm.c')
-rw-r--r-- | libcorkscrew/arch-arm/ptrace-arm.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/libcorkscrew/arch-arm/ptrace-arm.c b/libcorkscrew/arch-arm/ptrace-arm.c deleted file mode 100644 index a50844e..0000000 --- a/libcorkscrew/arch-arm/ptrace-arm.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2011 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 "Corkscrew" -//#define LOG_NDEBUG 0 - -#include "../ptrace-arch.h" - -#include <elf.h> -#include <cutils/log.h> - -#ifndef PT_ARM_EXIDX -#define PT_ARM_EXIDX 0x70000001 -#endif - -static void load_exidx_header(pid_t pid, map_info_t* mi, - uintptr_t* out_exidx_start, size_t* out_exidx_size) { - uint32_t elf_phoff; - uint32_t elf_phentsize_ehsize; - uint32_t elf_shentsize_phnum; - if (try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_phoff), &elf_phoff) - && try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_ehsize), - &elf_phentsize_ehsize) - && try_get_word_ptrace(pid, mi->start + offsetof(Elf32_Ehdr, e_phnum), - &elf_shentsize_phnum)) { - uint32_t elf_phentsize = elf_phentsize_ehsize >> 16; - uint32_t elf_phnum = elf_shentsize_phnum & 0xffff; - for (uint32_t i = 0; i < elf_phnum; i++) { - uintptr_t elf_phdr = mi->start + elf_phoff + i * elf_phentsize; - uint32_t elf_phdr_type; - if (!try_get_word_ptrace(pid, elf_phdr + offsetof(Elf32_Phdr, p_type), &elf_phdr_type)) { - break; - } - if (elf_phdr_type == PT_ARM_EXIDX) { - uint32_t elf_phdr_offset; - uint32_t elf_phdr_filesz; - if (!try_get_word_ptrace(pid, elf_phdr + offsetof(Elf32_Phdr, p_offset), - &elf_phdr_offset) - || !try_get_word_ptrace(pid, elf_phdr + offsetof(Elf32_Phdr, p_filesz), - &elf_phdr_filesz)) { - break; - } - *out_exidx_start = mi->start + elf_phdr_offset; - *out_exidx_size = elf_phdr_filesz / 8; - ALOGV("Parsed EXIDX header info for %s: start=0x%08x, size=%d", mi->name, - *out_exidx_start, *out_exidx_size); - return; - } - } - } - *out_exidx_start = 0; - *out_exidx_size = 0; -} - -void load_ptrace_map_info_data_arch(pid_t pid, map_info_t* mi, map_info_data_t* data) { - load_exidx_header(pid, mi, &data->exidx_start, &data->exidx_size); -} - -void free_ptrace_map_info_data_arch(map_info_t* mi, map_info_data_t* data) { -} |