9ffc9da6cc
arch/sh/kernel/ftrace.c:130:6: warning: no previous prototype for ‘arch_ftrace_nmi_enter’ [-Wmissing-prototypes] arch/sh/kernel/ftrace.c:140:6: warning: no previous prototype for ‘arch_ftrace_nmi_exit’ [-Wmissing-prototypes] arch/sh/kernel/ftrace.c:316:6: warning: no previous prototype for ‘prepare_ftrace_return’ [-Wmissing-prototypes] Fix this by moving existing forward declarations to <asm/ftrace.h>, and adding the missing forward declaration for prepare_ftrace_return(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/910c8846a025e1c3b744a83ddf8e2816a3c5569d.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_FTRACE_H
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#define __ASM_SH_FTRACE_H
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#ifdef CONFIG_FUNCTION_TRACER
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#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
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#define FTRACE_SYSCALL_MAX NR_syscalls
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#ifndef __ASSEMBLY__
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extern void mcount(void);
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#define MCOUNT_ADDR ((unsigned long)(mcount))
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#ifdef CONFIG_DYNAMIC_FTRACE
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#define CALL_ADDR ((long)(ftrace_call))
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#define STUB_ADDR ((long)(ftrace_stub))
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#define GRAPH_ADDR ((long)(ftrace_graph_call))
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#define CALLER_ADDR ((long)(ftrace_caller))
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#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4)
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#define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4)
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struct dyn_arch_ftrace {
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/* No extra data needed on sh */
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};
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#endif /* CONFIG_DYNAMIC_FTRACE */
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static inline unsigned long ftrace_call_adjust(unsigned long addr)
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{
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/* 'addr' is the memory table address. */
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return addr;
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}
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void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr);
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#endif /* __ASSEMBLY__ */
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#endif /* CONFIG_FUNCTION_TRACER */
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#ifndef __ASSEMBLY__
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/* arch/sh/kernel/return_address.c */
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extern void *return_address(unsigned int);
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#define ftrace_return_address(n) return_address(n)
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#ifdef CONFIG_DYNAMIC_FTRACE
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extern void arch_ftrace_nmi_enter(void);
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extern void arch_ftrace_nmi_exit(void);
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#else
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static inline void arch_ftrace_nmi_enter(void) { }
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static inline void arch_ftrace_nmi_exit(void) { }
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_SH_FTRACE_H */
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