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 */ | ||
