mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-23 04:41:11 +00:00
103 lines
2.7 KiB
Python
103 lines
2.7 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
# You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
|
|
# vim: set filetype=python:
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distibuted with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
|
|
import os
|
|
|
|
import buildconfig
|
|
from variables import get_buildid
|
|
|
|
|
|
def main(output, input_file):
|
|
with open(input_file) as fh:
|
|
objs = [l.strip() for l in fh.readlines()]
|
|
|
|
write_file(output, None)
|
|
|
|
return set(
|
|
os.path.join("build", o)
|
|
for o in objs
|
|
if os.path.splitext(os.path.basename(o))[0] != "buildid"
|
|
)
|
|
|
|
|
|
def tests(output, buildid):
|
|
write_file(output, buildid)
|
|
|
|
|
|
def write_file(output, maybe_buildid):
|
|
buildid = maybe_buildid or get_buildid()
|
|
keyword_extern = "extern" if maybe_buildid is None else ""
|
|
attribute_used = "__attribute__((used))" if maybe_buildid is not None else ""
|
|
|
|
output.write(
|
|
"""
|
|
#include "buildid_section.h"
|
|
|
|
#if defined(XP_DARWIN) || defined(XP_WIN)
|
|
#define SECTION_NAME_ATTRIBUTE __attribute__((section(MOZ_BUILDID_SECTION_NAME)))
|
|
#else
|
|
#define SECTION_NAME_ATTRIBUTE
|
|
#endif
|
|
|
|
{extern} const char gToolkitBuildID[] SECTION_NAME_ATTRIBUTE {used} = "{buildid}";
|
|
""".format(
|
|
extern=keyword_extern,
|
|
used=attribute_used,
|
|
buildid=buildid,
|
|
)
|
|
)
|
|
|
|
if buildconfig.substs.get("TARGET_KERNEL") not in (
|
|
"Darwin",
|
|
"WINNT",
|
|
):
|
|
elf_note = """
|
|
#include <elf.h>
|
|
|
|
#define note_name "mzbldid"
|
|
#define note_desc "{buildid}"
|
|
|
|
// This is not defined on Android?
|
|
// Android also hardcodes "1"
|
|
// https://android.googlesource.com/platform/ndk/+/refs/tags/ndk-r26c/sources/crt/crtbrand.S#35
|
|
#ifndef NT_VERSION
|
|
#define NT_VERSION 1
|
|
#endif
|
|
|
|
#if defined(__clang__)
|
|
#define NO_SANITIZE_ADDRESS __attribute__((no_sanitize("address")))
|
|
#else
|
|
// gcc doesn't sanitize address of const variable
|
|
#define NO_SANITIZE_ADDRESS
|
|
#endif
|
|
|
|
struct note {{
|
|
Elf32_Nhdr header; // Elf32 or Elf64 doesn't matter, they're the same size
|
|
char name[(sizeof(note_name) + 3) / 4 * 4];
|
|
char desc[(sizeof(note_desc) + 3) / 4 * 4];
|
|
}};
|
|
|
|
{extern} const struct note gNoteToolkitBuildID NO_SANITIZE_ADDRESS __attribute__((section(MOZ_BUILDID_SECTION_NAME), aligned(4), used)) = {{
|
|
{{ sizeof(note_name), sizeof(note_desc), NT_VERSION }},
|
|
note_name,
|
|
note_desc
|
|
}};
|
|
|
|
"""
|
|
output.write(
|
|
"{}".format(
|
|
elf_note.format(
|
|
extern=keyword_extern,
|
|
buildid=buildid,
|
|
)
|
|
)
|
|
)
|