[linux-block.git] / arch / ia64 / include / asm / ftrace.h

/* 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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d3e75ff1 SL	2	#ifndef _ASM_IA64_FTRACE_H
	3	#define _ASM_IA64_FTRACE_H
	4
	5	#ifdef CONFIG_FUNCTION_TRACER
	6	#define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */
	7
	8	#ifndef __ASSEMBLY__
	9	extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
	10	#define mcount _mcount
	11
a14a07b8 SL	12	/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
	13	#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
	14	#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
	15
	16	static inline unsigned long ftrace_call_adjust(unsigned long addr)
	17	{
	18	/* second bundle, insn 2 */
	19	return addr - 0x12;
	20	}
	21
	22	struct dyn_arch_ftrace {
	23	};
d3e75ff1 SL	24	#endif
	25
	26	#endif /* CONFIG_FUNCTION_TRACER */
	27
	28	#endif /* _ASM_IA64_FTRACE_H */