2e1479e2f2
Summary: ShadowCallStack on x86_64 suffered from the same racy security issues as Return Flow Guard and had performance overhead as high as 13% depending on the benchmark. x86_64 ShadowCallStack was always an experimental feature and never shipped a runtime required to support it, as such there are no expected downstream users. Reviewers: pcc Reviewed By: pcc Subscribers: mgorny, javed.absar, hiraditya, jdoerfert, cfe-commits, #sanitizers, llvm-commits Tags: #clang, #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D59034 llvm-svn: 355624
24 lines
749 B
Python
24 lines
749 B
Python
# -*- Python -*-
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import os
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# Setup config name.
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config.name = 'ShadowCallStack'
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Test suffixes.
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config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.ll', '.test']
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# Add clang substitutions.
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config.substitutions.append( ("%clang_noscs ", config.clang + ' -O0 -fno-sanitize=shadow-call-stack ' + config.target_cflags + ' ') )
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scs_arch_cflags = config.target_cflags
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if config.target_arch == 'aarch64':
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scs_arch_cflags += ' -ffixed-x18 '
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config.substitutions.append( ("%clang_scs ", config.clang + ' -O0 -fsanitize=shadow-call-stack ' + scs_arch_cflags + ' ') )
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if config.host_os not in ['Linux'] or config.target_arch not in ['aarch64']:
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config.unsupported = True
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