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cleaned up linker flags

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Signed-off-by: Pratik Mankawde <pmankawde@ripple.com>
This commit is contained in:
Pratik Mankawde
2025-11-18 11:55:24 +00:00
parent 216ecf67e1
commit d01b1da80e
1 changed files with 15 additions and 16 deletions
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31
.github/scripts/strategy-matrix/generate.py vendored
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@@ -160,8 +160,8 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
# Add Address and Thread (both coupled with UB) sanitizers when the distro is bookworm.
if os['distro_version'] == 'bookworm' and f'{os["compiler_name"]}-{os["compiler_version"]}' in {'gcc-15', 'clang-20'}:
extra_warning_flags = ''
exe_linker_flags = ''
shared_linker_flags = ''
linker_relocation_flags = ''
linker_flags = ''
# Use large code model to avoid relocation errors with large binaries
# Only for x86-64 (amd64) - ARM64 doesn't support -mcmodel=large
@@ -171,8 +171,7 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
# -fPIC enables position independent code to avoid relocation range issues
# large model removes the 2GB limitation that medium model has
cxx_flags += ' -mcmodel=large -fPIC'
exe_linker_flags+=' -mcmodel=large -fPIC'
shared_linker_flags += ' -mcmodel=large -fPIC'
linker_relocation_flags+=' -mcmodel=large -fPIC'
# Create default sanitizer flags
sanitizers_flags = 'undefined,float-divide-by-zero'
@@ -185,12 +184,12 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
# Use default linker (bfd/ld) which is more lenient with mixed code models
cmake_args += ' -Duse_mold=OFF -Duse_gold=OFF -Duse_lld=OFF'
# Add linker flags for Sanitizers
cmake_args += f' -DCMAKE_EXE_LINKER_FLAGS="{exe_linker_flags} -fsanitize=address,{sanitizers_flags}"'
cmake_args += f' -DCMAKE_SHARED_LINKER_FLAGS="{shared_linker_flags} -fsanitize=address,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_EXE_LINKER_FLAGS="{linker_relocation_flags} -fsanitize=address,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_SHARED_LINKER_FLAGS="{linker_relocation_flags} -fsanitize=address,{sanitizers_flags}"'
elif os['compiler_name'] == 'clang':
sanitizers_flags = f'{sanitizers_flags},signed-integer-overflow,unsigned-integer-overflow'
cmake_args += f' -DCMAKE_EXE_LINKER_FLAGS="-fsanitize=address,{sanitizers_flags}"'
cmake_args += f' -DCMAKE_SHARED_LINKER_FLAGS="-fsanitize=address,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_EXE_LINKER_FLAGS="-fsanitize=address,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_SHARED_LINKER_FLAGS="-fsanitize=address,{sanitizers_flags}"'
# Sanitizers recommend minimum of -O1 for reasonable performance
if "-O0" in cxx_flags:
@@ -199,7 +198,7 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
cxx_flags += " -O1"
# First create config for asan
cmake_args_flags = f'{cmake_args} -DCMAKE_CXX_FLAGS="-fsanitize=address,{sanitizers_flags} -fno-omit-frame-pointer {cxx_flags} {extra_warning_flags}"'
cmake_args_flags = f'{cmake_args} -DCMAKE_CXX_FLAGS="-fsanitize=address,{sanitizers_flags} -fno-omit-frame-pointer {cxx_flags} {extra_warning_flags} {linker_flags}"'
# Add config with asan
configurations.append({
@@ -212,22 +211,22 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
'architecture': architecture
})
linker_flags = ''
# Update configs for tsan
# gcc doesn't supports atomic_thread_fence with tsan. Suppress warnings.
# Also tsan doesn't work well with mcmode=large and bfd linker
if os['compiler_name'] == 'gcc':
extra_warning_flags += ' -Wno-tsan'
cxx_flags = cxx_flags.replace('-mcmodel=large', '-mcmodel=medium')
exe_linker_flags = exe_linker_flags.replace('-mcmodel=large', '-mcmodel=medium')
shared_linker_flags = shared_linker_flags.replace('-mcmodel=large', '-mcmodel=medium')
linker_relocation_flags = linker_relocation_flags.replace('-mcmodel=large', '-mcmodel=medium')
# Add linker flags for Sanitizers
cmake_args += f' -DCMAKE_EXE_LINKER_FLAGS="{exe_linker_flags} -fsanitize=thread,{sanitizers_flags}"'
cmake_args += f' -DCMAKE_SHARED_LINKER_FLAGS="{shared_linker_flags} -fsanitize=thread,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_EXE_LINKER_FLAGS="{linker_relocation_flags} -fsanitize=thread,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_SHARED_LINKER_FLAGS="{linker_relocation_flags} -fsanitize=thread,{sanitizers_flags}"'
elif os['compiler_name'] == 'clang':
cmake_args += f' -DCMAKE_EXE_LINKER_FLAGS="-fsanitize=thread,{sanitizers_flags}"'
cmake_args += f' -DCMAKE_SHARED_LINKER_FLAGS="-fsanitize=thread,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_EXE_LINKER_FLAGS="-fsanitize=thread,{sanitizers_flags}"'
linker_flags += f' -DCMAKE_SHARED_LINKER_FLAGS="-fsanitize=thread,{sanitizers_flags}"'
cmake_args_flags = f'{cmake_args} -DCMAKE_CXX_FLAGS="-fsanitize=thread,{sanitizers_flags} -fno-omit-frame-pointer {cxx_flags} {extra_warning_flags}"'
cmake_args_flags = f'{cmake_args} -DCMAKE_CXX_FLAGS="-fsanitize=thread,{sanitizers_flags} -fno-omit-frame-pointer {cxx_flags} {extra_warning_flags} {linker_flags}"'
configurations.append({
'config_name': config_name+ "_tsan",