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Summary:
This attribute tells clang to skip this function from stack protector
when -stack-protector option is passed.
GCC option for this is:
__attribute__((__optimize__("no-stack-protector"))) and the
equivalent clang syntax would be: __attribute__((no_stack_protector))
This is used in Linux kernel to selectively disable stack protector
in certain functions.
Reviewers: aaron.ballman, rsmith, rnk, probinson
Reviewed By: aaron.ballman
Subscribers: probinson, srhines, cfe-commits
Differential Revision: https://reviews.llvm.org/D46300
llvm-svn: 331925
6 lines
347 B
C
6 lines
347 B
C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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void __attribute__((no_stack_protector)) foo() {}
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int __attribute__((no_stack_protector)) var; // expected-warning {{'no_stack_protector' attribute only applies to functions}}
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void __attribute__((no_stack_protector(2))) bar() {} // expected-error {{'no_stack_protector' attribute takes no arguments}}
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