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[waf] Add test rax,rax -> test r8,r8 patch for --bundled-clang={4.0.0,5.0.1} on Linux

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Fangrui Song 2018-01-03 17:38:53 -08:00 committed by Jacob Dufault
parent 31c7fddf3d
commit cd3faf4dfe
1 changed files with 22 additions and 0 deletions
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@ -73,6 +73,21 @@ if sys.version_info < (3, 0):
return real_symlink(source, link_name) return real_symlink(source, link_name)
os.symlink = symlink os.symlink = symlink
# TODO https://reviews.llvm.org/D41575
# There is a null pointer dereference issue in tools/libclang/CXIndexDataConsumer.cpp handleReference.
def patch_byte_in_libclang(filename, offset, old, new):
with open(filename, 'rb+') as f:
f.seek(offset)
t = f.read(1)
if t == old:
f.seek(offset)
f.write(new)
print('Applied byte patch hack at 0x{:x}'.format(offset))
print('This is a makeshift for indexing default arguments of template template parameters, which otherwise would crash libclang')
print('See https://github.com/jacobdufault/cquery/issues/219 for details')
else:
assert t == new
def options(opt): def options(opt):
opt.load('compiler_cxx') opt.load('compiler_cxx')
grp = opt.add_option_group('Configuration options related to use of clang from the system (not recommended)') grp = opt.add_option_group('Configuration options related to use of clang from the system (not recommended)')
@ -116,6 +131,13 @@ def download_and_extract(destdir, url, ext):
# For 5.0.1 Mac OS X, the directory and the tarball have different name # For 5.0.1 Mac OS X, the directory and the tarball have different name
if destdir == 'build/clang+llvm-5.0.1-x86_64-apple-darwin': if destdir == 'build/clang+llvm-5.0.1-x86_64-apple-darwin':
os.rename(destdir.replace('5.0.1', '5.0.1-final'), destdir) os.rename(destdir.replace('5.0.1', '5.0.1-final'), destdir)
# TODO Byte patch hack for other prebuilt binaries
elif destdir == 'build/clang+llvm-4.0.0-x86_64-linux-gnu-ubuntu-14.04':
patch_byte_in_libclang(os.path.join(destdir, 'lib/libclang.so.4.0'),
0x4172b5, b'\x48', b'\x4d')
elif destdir == 'build/clang+llvm-5.0.1-x86_64-linux-gnu-ubuntu-14.04':
patch_byte_in_libclang(os.path.join(destdir, 'lib/libclang.so.5.0'),
0x47aece, b'\x48', b'\x4d')
else: else:
print('Found extracted at {0}'.format(destdir)) print('Found extracted at {0}'.format(destdir))