Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Rabin Vincent |
116 |
46.96% |
3 |
17.65% |
| Abhishek Sagar |
26 |
10.53% |
1 |
5.88% |
| Ard Biesheuvel |
25 |
10.12% |
2 |
11.76% |
| Uwe Kleine-König |
24 |
9.72% |
2 |
11.76% |
| Arnd Bergmann |
21 |
8.50% |
1 |
5.88% |
| Alexander Sverdlin |
12 |
4.86% |
1 |
5.88% |
| Abel Vesa |
9 |
3.64% |
1 |
5.88% |
| Steven Rostedt |
5 |
2.02% |
3 |
17.65% |
| Arnaldo Carvalho de Melo |
4 |
1.62% |
1 |
5.88% |
| AKASHI Takahiro |
4 |
1.62% |
1 |
5.88% |
| Greg Kroah-Hartman |
1 |
0.40% |
1 |
5.88% |
| Total |
247 |
|
17 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_FTRACE
#define _ASM_ARM_FTRACE
#define HAVE_FUNCTION_GRAPH_FP_TEST
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
#define ARCH_SUPPORTS_FTRACE_OPS 1
#endif
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_ADDR ((unsigned long)(__gnu_mcount_nc))
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
#ifndef __ASSEMBLY__
extern void __gnu_mcount_nc(void);
#ifdef CONFIG_DYNAMIC_FTRACE
struct dyn_arch_ftrace {
#ifdef CONFIG_ARM_MODULE_PLTS
struct module *mod;
#endif
};
static inline unsigned long ftrace_call_adjust(unsigned long addr)
{
/* With Thumb-2, the recorded addresses have the lsb set */
return addr & ~1;
}
#endif
#endif
#endif
#ifndef __ASSEMBLY__
#if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND)
/*
* return_address uses walk_stackframe to do it's work. If both
* CONFIG_FRAME_POINTER=y and CONFIG_ARM_UNWIND=y walk_stackframe uses unwind
* information. For this to work in the function tracer many functions would
* have to be marked with __notrace. So for now just depend on
* !CONFIG_ARM_UNWIND.
*/
void *return_address(unsigned int);
#else
static inline void *return_address(unsigned int level)
{
return NULL;
}
#endif
#define ftrace_return_address(n) return_address(n)
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
static inline bool arch_syscall_match_sym_name(const char *sym,
const char *name)
{
if (!strcmp(sym, "sys_mmap2"))
sym = "sys_mmap_pgoff";
else if (!strcmp(sym, "sys_statfs64_wrapper"))
sym = "sys_statfs64";
else if (!strcmp(sym, "sys_fstatfs64_wrapper"))
sym = "sys_fstatfs64";
else if (!strcmp(sym, "sys_arm_fadvise64_64"))
sym = "sys_fadvise64_64";
/* Ignore case since sym may start with "SyS" instead of "sys" */
return !strcasecmp(sym, name);
}
void prepare_ftrace_return(unsigned long *parent, unsigned long self,
unsigned long frame_pointer,
unsigned long stack_pointer);
#endif /* ifndef __ASSEMBLY__ */
#endif /* _ASM_ARM_FTRACE */