blob: 8b1a0bd842c8d2a557e0b7e5e410984a610178a9 [file] [log] [blame]
// Copyright 2018 The Crashpad Authors. All rights reserved.
//
// 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.
// This note section is used on ELF platforms to give ElfImageReader a method
// of finding the instance of CrashpadInfo g_crashpad_info without requiring
// that symbol to be in the dynamic symbol table.
#include "util/misc/elf_note_types.h"
#include "util/misc/arm64_bti_note.S"
// namespace crashpad {
// CrashpadInfo g_test_crashpad_info;
// } // namespace crashpad
#define TEST_CRASHPAD_INFO_SYMBOL _ZN8crashpad20g_test_crashpad_infoE
#define NOTE_ALIGN 4
// This section must be "a"llocated so that it appears in the final binary at
// runtime. The reference to TEST_CRASHPAD_INFO_SYMBOL uses an offset relative
// to this note to avoid making this note writable, which triggers a bug in
// GNU ld, or adding text relocations which require the target system to allow
// making text segments writable. https://crbug.com/crashpad/260.
.section .note.crashpad.info,"a",%note
.balign NOTE_ALIGN
.type info_size_test_note, %object
info_size_test_note:
.long name_end - name // namesz
.long desc_end - desc // descsz
.long CRASHPAD_ELF_NOTE_TYPE_CRASHPAD_INFO // type
name:
.asciz CRASHPAD_ELF_NOTE_NAME
name_end:
.balign NOTE_ALIGN
desc:
#if defined(__LP64__)
.quad TEST_CRASHPAD_INFO_SYMBOL - desc
#else
.long TEST_CRASHPAD_INFO_SYMBOL - desc
#endif // __LP64__
desc_end:
.size info_size_test_note, .-info_size_test_note