1#ifndef _ASM_POWERPC_FTRACE 2#define _ASM_POWERPC_FTRACE 3 4#ifdef CONFIG_FUNCTION_TRACER 5#define MCOUNT_ADDR ((long)(_mcount)) 6#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ 7 8#ifdef __ASSEMBLY__ 9 10/* Based off of objdump optput from glibc */ 11 12#define MCOUNT_SAVE_FRAME \ 13 stwu r1,-48(r1); \ 14 stw r3, 12(r1); \ 15 stw r4, 16(r1); \ 16 stw r5, 20(r1); \ 17 stw r6, 24(r1); \ 18 mflr r3; \ 19 lwz r4, 52(r1); \ 20 mfcr r5; \ 21 stw r7, 28(r1); \ 22 stw r8, 32(r1); \ 23 stw r9, 36(r1); \ 24 stw r10,40(r1); \ 25 stw r3, 44(r1); \ 26 stw r5, 8(r1) 27 28#define MCOUNT_RESTORE_FRAME \ 29 lwz r6, 8(r1); \ 30 lwz r0, 44(r1); \ 31 lwz r3, 12(r1); \ 32 mtctr r0; \ 33 lwz r4, 16(r1); \ 34 mtcr r6; \ 35 lwz r5, 20(r1); \ 36 lwz r6, 24(r1); \ 37 lwz r0, 52(r1); \ 38 lwz r7, 28(r1); \ 39 lwz r8, 32(r1); \ 40 mtlr r0; \ 41 lwz r9, 36(r1); \ 42 lwz r10,40(r1); \ 43 addi r1, r1, 48 44 45#else /* !__ASSEMBLY__ */ 46extern void _mcount(void); 47 48#ifdef CONFIG_DYNAMIC_FTRACE 49static inline unsigned long ftrace_call_adjust(unsigned long addr) 50{ 51 /* reloction of mcount call site is the same as the address */ 52 return addr; 53} 54 55struct dyn_arch_ftrace { 56 struct module *mod; 57}; 58#endif /* CONFIG_DYNAMIC_FTRACE */ 59#endif /* __ASSEMBLY__ */ 60 61#endif 62 63#endif /* _ASM_POWERPC_FTRACE */ 64