diff options
Diffstat (limited to 'include/asm-mips/stacktrace.h')
-rw-r--r-- | include/asm-mips/stacktrace.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/include/asm-mips/stacktrace.h b/include/asm-mips/stacktrace.h deleted file mode 100644 index 0bf82818aa53..000000000000 --- a/include/asm-mips/stacktrace.h +++ /dev/null | |||
@@ -1,48 +0,0 @@ | |||
1 | #ifndef _ASM_STACKTRACE_H | ||
2 | #define _ASM_STACKTRACE_H | ||
3 | |||
4 | #include <asm/ptrace.h> | ||
5 | |||
6 | #ifdef CONFIG_KALLSYMS | ||
7 | extern int raw_show_trace; | ||
8 | extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp, | ||
9 | unsigned long pc, unsigned long *ra); | ||
10 | #else | ||
11 | #define raw_show_trace 1 | ||
12 | static inline unsigned long unwind_stack(struct task_struct *task, | ||
13 | unsigned long *sp, unsigned long pc, unsigned long *ra) | ||
14 | { | ||
15 | return 0; | ||
16 | } | ||
17 | #endif | ||
18 | |||
19 | static __always_inline void prepare_frametrace(struct pt_regs *regs) | ||
20 | { | ||
21 | #ifndef CONFIG_KALLSYMS | ||
22 | /* | ||
23 | * Remove any garbage that may be in regs (specially func | ||
24 | * addresses) to avoid show_raw_backtrace() to report them | ||
25 | */ | ||
26 | memset(regs, 0, sizeof(*regs)); | ||
27 | #endif | ||
28 | __asm__ __volatile__( | ||
29 | ".set push\n\t" | ||
30 | ".set noat\n\t" | ||
31 | #ifdef CONFIG_64BIT | ||
32 | "1: dla $1, 1b\n\t" | ||
33 | "sd $1, %0\n\t" | ||
34 | "sd $29, %1\n\t" | ||
35 | "sd $31, %2\n\t" | ||
36 | #else | ||
37 | "1: la $1, 1b\n\t" | ||
38 | "sw $1, %0\n\t" | ||
39 | "sw $29, %1\n\t" | ||
40 | "sw $31, %2\n\t" | ||
41 | #endif | ||
42 | ".set pop\n\t" | ||
43 | : "=m" (regs->cp0_epc), | ||
44 | "=m" (regs->regs[29]), "=m" (regs->regs[31]) | ||
45 | : : "memory"); | ||
46 | } | ||
47 | |||
48 | #endif /* _ASM_STACKTRACE_H */ | ||