xref: /OK3568_Linux_fs/kernel/arch/sparc/include/asm/ftrace.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_SPARC64_FTRACE
3*4882a593Smuzhiyun #define _ASM_SPARC64_FTRACE
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifdef CONFIG_MCOUNT
6*4882a593Smuzhiyun #define MCOUNT_ADDR		((unsigned long)(_mcount))
7*4882a593Smuzhiyun #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __ASSEMBLY__
10*4882a593Smuzhiyun void _mcount(void);
11*4882a593Smuzhiyun #endif
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #endif /* CONFIG_MCOUNT */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #if defined(CONFIG_SPARC64) && !defined(CC_USE_FENTRY)
16*4882a593Smuzhiyun #define HAVE_FUNCTION_GRAPH_FP_TEST
17*4882a593Smuzhiyun #endif
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #ifdef CONFIG_DYNAMIC_FTRACE
20*4882a593Smuzhiyun /* reloction of mcount call site is the same as the address */
ftrace_call_adjust(unsigned long addr)21*4882a593Smuzhiyun static inline unsigned long ftrace_call_adjust(unsigned long addr)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	return addr;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun struct dyn_arch_ftrace {
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun #endif /*  CONFIG_DYNAMIC_FTRACE */
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun unsigned long prepare_ftrace_return(unsigned long parent,
31*4882a593Smuzhiyun 				    unsigned long self_addr,
32*4882a593Smuzhiyun 				    unsigned long frame_pointer);
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif /* _ASM_SPARC64_FTRACE */
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