Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
tools headers: Sync linux/cfi_types.h with the kernel source
To pick up the changes in this cset:
5ccaeedb489b41ce cfi: add C CFI type macro
This addresses these perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/linux/cfi_types.h include/linux/cfi_types.h
Please see tools/include/uapi/README for further details.
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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tools/include/linux/cfi_types.h
+23
tools/include/linux/cfi_types.h
···
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SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
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#endif
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#else /* __ASSEMBLY__ */
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#ifdef CONFIG_CFI_CLANG
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#define DEFINE_CFI_TYPE(name, func) \
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/* \
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* Force a reference to the function so the compiler generates \
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* __kcfi_typeid_<func>. \
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*/ \
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__ADDRESSABLE(func); \
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/* u32 name __ro_after_init = __kcfi_typeid_<func> */ \
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extern u32 name; \
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asm ( \
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" .pushsection .data..ro_after_init,\"aw\",\%progbits \n" \
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" .type " #name ",\%object \n" \
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" .globl " #name " \n" \
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" .p2align 2, 0x0 \n" \
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#name ": \n" \
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" .4byte __kcfi_typeid_" #func " \n" \
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" .size " #name ", 4 \n" \
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" .popsection \n" \
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);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* _LINUX_CFI_TYPES_H */