Messages in this thread Patch in this message | | | From | Josh Poimboeuf <> | Subject | [RFC PATCH 02/21] stackvalidate: Add C version of STACKVALIDATE_IGNORE_INSN | Date | Fri, 17 Jul 2015 11:47:18 -0500 |
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Add a C inline asm string version of the STACKVALIDATE_IGNORE_INSN macro which tells stackvalidate to ignore the subsequent instruction.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> --- arch/x86/include/asm/stackvalidate.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/x86/include/asm/stackvalidate.h b/arch/x86/include/asm/stackvalidate.h index 2d23c23..dac935c 100644 --- a/arch/x86/include/asm/stackvalidate.h +++ b/arch/x86/include/asm/stackvalidate.h @@ -23,6 +23,15 @@ .endif .endm +#else /* !__ASSEMBLY__ */ + +#define STACKVALIDATE_IGNORE_INSN \ + ".Ltemp" __stringify(__LINE__) ":;" \ + ".pushsection __stackvalidate_ignore_insn, \"a\";" \ + _ASM_ALIGN ";" \ + ".long .Ltemp" __stringify(__LINE__) " - .;" \ + ".popsection;" + #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_STACKVALIDATE_H */ -- 2.1.0
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