forked from mirrors/gecko-dev
f9be0e1c7f
The `freestanding` library is built with specific compiler flags to signify that it is indeed freestanding code. That is, it does not depend on a standard library. One of the requirements of freestanding code is that the toolchain still expects implementations of `memcpy`, `memmove`, `memcmp`, and `memset`. I did briefly implement my own naive versions of these functions, but that solution is less than ideal since the implementations must be `extern` and are thus picked up by the entire `firefox.exe` binary. This denies the rest of `firefox.exe` the benefit of optimized implementations. On Windows, the sandbox is linked into `firefox.exe`, so we cannot just shrug and assume that naive implementations will not have any effect on anything. There are, however, optimized implementations of these functions that are exported by `ntdll.dll`. They are not included in the `ntdll.lib` that is included in the Windows SDK. Using `llvm-dlltool`, we can build an import library containing the missing entries and then add that library to `OS_LIBS`. Depends on D43156 Differential Revision: https://phabricator.services.mozilla.com/D43157 --HG-- extra : moz-landing-system : lando
149 lines
3.9 KiB
Python
149 lines
3.9 KiB
Python
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
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# vim: set filetype=python:
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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with Files("**"):
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BUG_COMPONENT = ("Firefox", "General")
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with Files("blocklist.xml"):
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BUG_COMPONENT = ("Toolkit", "Blocklist Implementation")
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with Files("firefox.exe.manifest"):
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BUG_COMPONENT = ("Core", "Widget: Win32")
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with Files("module.ver"):
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BUG_COMPONENT = ("Core", "Widget: Win32")
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with Files("splash.rc"):
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BUG_COMPONENT = ("Core", "Widget: Win32")
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with Files("macversion.py"):
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BUG_COMPONENT = ("Core", "Widget: Cocoa")
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with Files("macbuild/**"):
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BUG_COMPONENT = ("Core", "Widget: Cocoa")
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with Files("moz.build"):
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BUG_COMPONENT = ("Firefox Build System", "General")
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with Files("Makefile.in"):
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BUG_COMPONENT = ("Firefox Build System", "General")
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with Files("profile/channel-prefs.js"):
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BUG_COMPONENT = ("Firefox", "Installer")
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with Files("profile/firefox.js"):
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BUG_COMPONENT = ("Firefox", "General")
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if CONFIG['MOZ_NO_PIE_COMPAT']:
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GeckoProgram(CONFIG['MOZ_APP_NAME'] + '-bin')
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DIRS += ['no-pie']
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else:
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GeckoProgram(CONFIG['MOZ_APP_NAME'])
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SOURCES += [
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'nsBrowserApp.cpp',
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]
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# Neither channel-prefs.js nor firefox.exe want to end up in dist/bin/browser.
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DIST_SUBDIR = ""
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LOCAL_INCLUDES += [
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'!/build',
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'/toolkit/xre',
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'/xpcom/base',
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'/xpcom/build',
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]
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if CONFIG['LIBFUZZER']:
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USE_LIBS += [ 'fuzzer' ]
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LOCAL_INCLUDES += [
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'/tools/fuzzing/libfuzzer',
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]
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if CONFIG['ENABLE_GECKODRIVER']:
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DEFINES['MOZ_GECKODRIVER'] = True
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if CONFIG['CC_TYPE'] == 'clang-cl':
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# Always enter a Windows program through wmain, whether or not we're
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# a console application.
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WIN32_EXE_LDFLAGS += ['-ENTRY:wmainCRTStartup']
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if CONFIG['OS_ARCH'] == 'WINNT':
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RCINCLUDE = 'splash.rc'
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DEFINES['MOZ_PHOENIX'] = True
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DIRS += [
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'winlauncher',
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]
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USE_LIBS += [
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'winlauncher',
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]
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LOCAL_INCLUDES += [
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'/browser/app/winlauncher',
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]
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DELAYLOAD_DLLS += [
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'oleaut32.dll',
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'ole32.dll',
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'rpcrt4.dll',
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'version.dll',
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]
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if CONFIG['CC_TYPE'] == 'clang-cl':
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libpath_flag = '-LIBPATH:'
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else:
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libpath_flag = '-L'
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WIN32_EXE_LDFLAGS += [
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libpath_flag + OBJDIR + '/winlauncher/freestanding',
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]
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if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_ARCH'] == 'Darwin':
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USE_LIBS += [
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'mozsandbox',
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]
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if CONFIG['MOZ_SANDBOX'] and CONFIG['OS_ARCH'] == 'WINNT':
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# For sandbox includes and the include dependencies those have
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LOCAL_INCLUDES += [
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'/security/sandbox/chromium',
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'/security/sandbox/chromium-shim',
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]
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USE_LIBS += [
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'sandbox_s',
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]
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DELAYLOAD_DLLS += [
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'winmm.dll',
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'user32.dll',
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]
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# Control the default heap size.
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# This is the heap returned by GetProcessHeap().
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# As we use the CRT heap, the default size is too large and wastes VM.
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#
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# The default heap size is 1MB on Win32.
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# The heap will grow if need be.
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#
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# Set it to 256k. See bug 127069.
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if CONFIG['OS_ARCH'] == 'WINNT' and CONFIG['CC_TYPE'] not in ('clang', 'gcc'):
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LDFLAGS += ['/HEAP:0x40000']
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DisableStlWrapping()
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if CONFIG['MOZ_LINKER']:
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OS_LIBS += CONFIG['MOZ_ZLIB_LIBS']
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if CONFIG['HAVE_CLOCK_MONOTONIC']:
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OS_LIBS += CONFIG['REALTIME_LIBS']
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if CONFIG['MOZ_LINUX_32_SSE2_STARTUP_ERROR']:
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DEFINES['MOZ_LINUX_32_SSE2_STARTUP_ERROR'] = True
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COMPILE_FLAGS['OS_CXXFLAGS'] = [
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f for f in COMPILE_FLAGS.get('OS_CXXFLAGS', [])
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if not f.startswith('-march=') and f not in ('-msse', '-msse2', '-mfpmath=sse')
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] + [
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'-mno-sse', '-mno-sse2', '-mfpmath=387',
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]
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for icon in ('firefox', 'document', 'newwindow', 'newtab', 'pbmode'):
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DEFINES[icon.upper() + '_ICO'] = '"%s/%s/%s.ico"' % (
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TOPSRCDIR, CONFIG['MOZ_BRANDING_DIRECTORY'], icon)
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