modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/tools/include/linux/objtool.h
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@@ -71,6 +71,23 @@
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 	static void __used __section(".discard.func_stack_frame_non_standard") \
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 		*__func_stack_frame_non_standard_##func = func
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+/*
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+ * STACK_FRAME_NON_STANDARD_FP() is a frame-pointer-specific function ignore
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+ * for the case where a function is intentionally missing frame pointer setup,
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+ * but otherwise needs objtool/ORC coverage when frame pointers are disabled.
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+ */
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+#ifdef CONFIG_FRAME_POINTER
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+#define STACK_FRAME_NON_STANDARD_FP(func) STACK_FRAME_NON_STANDARD(func)
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+#else
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+#define STACK_FRAME_NON_STANDARD_FP(func)
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+#endif
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+
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+#define ANNOTATE_NOENDBR					\
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+	"986: \n\t"						\
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+	".pushsection .discard.noendbr\n\t"			\
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+	_ASM_PTR " 986b\n\t"					\
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+	".popsection\n\t"
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+
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 #else /* __ASSEMBLY__ */
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 /*
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@@ -117,6 +134,13 @@
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 	.popsection
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 .endm
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+.macro ANNOTATE_NOENDBR
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+.Lhere_\@:
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+	.pushsection .discard.noendbr
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+	.quad	.Lhere_\@
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+	.popsection
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+.endm
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+
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 #endif /* __ASSEMBLY__ */
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 #else /* !CONFIG_STACK_VALIDATION */
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@@ -126,10 +150,14 @@
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 #define UNWIND_HINT(sp_reg, sp_offset, type, end)	\
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 	"\n\t"
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 #define STACK_FRAME_NON_STANDARD(func)
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+#define STACK_FRAME_NON_STANDARD_FP(func)
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+#define ANNOTATE_NOENDBR
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 #else
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 #define ANNOTATE_INTRA_FUNCTION_CALL
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 .macro UNWIND_HINT type:req sp_reg=0 sp_offset=0 end=0
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 .endm
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+.macro ANNOTATE_NOENDBR
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+.endm
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 #endif
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 #endif /* CONFIG_STACK_VALIDATION */