ftrace.h (4b4193256c8d3bc3a5397b5cd9494c2ad386317d) ftrace.h (f2cc020d7876de7583feb52ec939a32419cf9468)
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_POWERPC_FTRACE
3#define _ASM_POWERPC_FTRACE
4
5#include <asm/types.h>
6
7#ifdef CONFIG_FUNCTION_TRACER
8#define MCOUNT_ADDR ((unsigned long)(_mcount))
9#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
10
11#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
12
13#ifdef __ASSEMBLY__
14
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_POWERPC_FTRACE
3#define _ASM_POWERPC_FTRACE
4
5#include <asm/types.h>
6
7#ifdef CONFIG_FUNCTION_TRACER
8#define MCOUNT_ADDR ((unsigned long)(_mcount))
9#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
10
11#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
12
13#ifdef __ASSEMBLY__
14
15/* Based off of objdump optput from glibc */
15/* Based off of objdump output from glibc */
16
17#define MCOUNT_SAVE_FRAME \
18 stwu r1,-48(r1); \
19 stw r3, 12(r1); \
20 stw r4, 16(r1); \
21 stw r5, 20(r1); \
22 stw r6, 24(r1); \
23 mflr r3; \

--- 23 unchanged lines hidden (view full) ---

47 lwz r10,40(r1); \
48 addi r1, r1, 48
49
50#else /* !__ASSEMBLY__ */
51extern void _mcount(void);
52
53static inline unsigned long ftrace_call_adjust(unsigned long addr)
54{
16
17#define MCOUNT_SAVE_FRAME \
18 stwu r1,-48(r1); \
19 stw r3, 12(r1); \
20 stw r4, 16(r1); \
21 stw r5, 20(r1); \
22 stw r6, 24(r1); \
23 mflr r3; \

--- 23 unchanged lines hidden (view full) ---

47 lwz r10,40(r1); \
48 addi r1, r1, 48
49
50#else /* !__ASSEMBLY__ */
51extern void _mcount(void);
52
53static inline unsigned long ftrace_call_adjust(unsigned long addr)
54{
55 /* reloction of mcount call site is the same as the address */
55 /* relocation of mcount call site is the same as the address */
56 return addr;
57}
58
59struct dyn_arch_ftrace {
60 struct module *mod;
61};
62#endif /* __ASSEMBLY__ */
63

--- 68 unchanged lines hidden --- 		56 return addr;
57}
58
59struct dyn_arch_ftrace {
60 struct module *mod;
61};
62#endif /* __ASSEMBLY__ */
63

--- 68 unchanged lines hidden ---