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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-17 15:50:36 +0100 |
|---|---|---|
| committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-17 15:50:36 +0100 |
| commit | 652a12ef98d16ccd1ee5cdf2c832ce5411ed3262 (patch) | |
| tree | fb4202396bed56574c68f5b516eeb85846e88c6a /arch | |
| parent | 58c02ec4701c94c671a41e1e5d50c582e859851f (diff) | |
| download | op-kernel-dev-652a12ef98d16ccd1ee5cdf2c832ce5411ed3262.zip op-kernel-dev-652a12ef98d16ccd1ee5cdf2c832ce5411ed3262.tar.gz | |
[PATCH] ARM: showregs
Fix show_regs() to provide a backtrace. Provide a new __show_regs()
function which implements the common subset of show_regs() and die().
Add prototypes to asm-arm/system.h
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/process.c | 15 | ||||
| -rw-r--r-- | arch/arm/kernel/traps.c | 8 |
2 files changed, 13 insertions, 10 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index dbd8ca8..26eacd3 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -168,12 +168,11 @@ void machine_restart(char * __unused) EXPORT_SYMBOL(machine_restart); -void show_regs(struct pt_regs * regs) +void __show_regs(struct pt_regs *regs) { - unsigned long flags; - - flags = condition_codes(regs); + unsigned long flags = condition_codes(regs); + printk("CPU: %d\n", smp_processor_id()); print_symbol("PC is at %s\n", instruction_pointer(regs)); print_symbol("LR is at %s\n", regs->ARM_lr); printk("pc : [<%08lx>] lr : [<%08lx>] %s\n" @@ -213,6 +212,14 @@ void show_regs(struct pt_regs * regs) } } +void show_regs(struct pt_regs * regs) +{ + printk("\n"); + printk("Pid: %d, comm: %20s\n", current->pid, current->comm); + __show_regs(regs); + __backtrace(); +} + void show_fpregs(struct user_fp *regs) { int i; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 93dc464..6e31718 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -31,9 +31,6 @@ #include "ptrace.h" -extern void c_backtrace (unsigned long fp, int pmode); -extern void show_pte(struct mm_struct *mm, unsigned long addr); - const char *processor_modes[]= { "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" , "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26", @@ -216,8 +213,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter); print_modules(); - printk("CPU: %d\n", smp_processor_id()); - show_regs(regs); + __show_regs(regs); printk("Process %s (pid: %d, stack limit = 0x%p)\n", tsk->comm, tsk->pid, tsk->thread_info + 1); @@ -482,7 +478,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) current->pid, current->comm, no); dump_instr(regs); if (user_mode(regs)) { - show_regs(regs); + __show_regs(regs); c_backtrace(regs->ARM_fp, processor_mode(regs)); } } |
