Files
Linux_Drivers/linux_5.10/arch/ia64/include/asm/ftrace.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

29 lines
748 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_FTRACE_H
#define _ASM_IA64_FTRACE_H
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */
#ifndef __ASSEMBLY__
extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
#define mcount _mcount
/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
/* second bundle, insn 2 */
return addr - 0x12;
}
struct dyn_arch_ftrace {
};
#endif
#endif /* CONFIG_FUNCTION_TRACER */
#endif /* _ASM_IA64_FTRACE_H */