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| author | Franck Bui-Huu <vagabon.xyz@gmail.com> | 2006-08-03 09:29:17 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-09-27 13:37:26 +0100 |
| commit | 87151ae39bf5556abe83d69af0be9580c32c501b (patch) | |
| tree | 5e5a39ef8b8f75d4980791b0bffb7413ed199e6e /arch | |
| parent | cf495a333093a1c0eca90c7d8d98313a3b7f01a1 (diff) | |
| download | linux-87151ae39bf5556abe83d69af0be9580c32c501b.tar.bz2 | |
[MIPS] Miscellaneous cleanup in prologue analysis code
We usually use backtrace term for dumping a call tree during
debug. Therefore this patch renames show_frametrace() into
show_backtrace() and show_trace() into show_raw_backtrace().
It also uses the new function print_ip_sym().
Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/traps.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 4a11a3d8447d..549cbb8209a3 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -74,21 +74,18 @@ void (*board_ejtag_handler_setup)(void); void (*board_bind_eic_interrupt)(int irq, int regset); -static void show_trace(unsigned long *stack) +static void show_raw_backtrace(unsigned long *sp) { - const int field = 2 * sizeof(unsigned long); unsigned long addr; printk("Call Trace:"); #ifdef CONFIG_KALLSYMS printk("\n"); #endif - while (!kstack_end(stack)) { - addr = *stack++; - if (__kernel_text_address(addr)) { - printk(" [<%0*lx>] ", field, addr); - print_symbol("%s\n", addr); - } + while (!kstack_end(sp)) { + addr = *sp++; + if (__kernel_text_address(addr)) + print_ip_sym(addr); } printk("\n"); } @@ -104,22 +101,20 @@ __setup("raw_show_trace", set_raw_show_trace); extern unsigned long unwind_stack(struct task_struct *task, unsigned long **sp, unsigned long pc); -static void show_frametrace(struct task_struct *task, struct pt_regs *regs) +static void show_backtrace(struct task_struct *task, struct pt_regs *regs) { - const int field = 2 * sizeof(unsigned long); - unsigned long *stack = (long *)regs->regs[29]; + unsigned long *sp = (long *)regs->regs[29]; unsigned long pc = regs->cp0_epc; int top = 1; if (raw_show_trace || !__kernel_text_address(pc)) { - show_trace(stack); + show_raw_backtrace(sp); return; } printk("Call Trace:\n"); while (__kernel_text_address(pc)) { - printk(" [<%0*lx>] ", field, pc); - print_symbol("%s\n", pc); - pc = unwind_stack(task, &stack, pc); + print_ip_sym(pc); + pc = unwind_stack(task, &sp, pc); if (top && pc == 0) pc = regs->regs[31]; /* leaf? */ top = 0; @@ -127,7 +122,7 @@ static void show_frametrace(struct task_struct *task, struct pt_regs *regs) printk("\n"); } #else -#define show_frametrace(task, r) show_trace((long *)(r)->regs[29]); +#define show_backtrace(task, r) show_raw_backtrace((long *)(r)->regs[29]); #endif /* @@ -160,7 +155,7 @@ static void show_stacktrace(struct task_struct *task, struct pt_regs *regs) i++; } printk("\n"); - show_frametrace(task, regs); + show_backtrace(task, regs); } static noinline void prepare_frametrace(struct pt_regs *regs) @@ -211,11 +206,11 @@ void dump_stack(void) if (!raw_show_trace) { struct pt_regs regs; prepare_frametrace(®s); - show_frametrace(current, ®s); + show_backtrace(current, ®s); return; } #endif - show_trace(&stack); + show_raw_backtrace(&stack); } EXPORT_SYMBOL(dump_stack); |