diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2018-12-09 12:07:20 +0300 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 18:15:38 +0300 |
| commit | 8f4f1639a19db231e4579612dbc6d147e8d07ffd (patch) | |
| tree | bf03bf0acfbd3467ec7cbf0ee0f206542dd424cf /arch/csky/kernel/ptrace.c | |
| parent | 0ea2dc7cd668be5475babecaf6fdeaa464e2847b (diff) | |
| download | linux-8f4f1639a19db231e4579612dbc6d147e8d07ffd.tar.xz | |
csky: optimize kernel panic print.
Use STACKTRACE to optimize panic print more pretty and align registers
printing.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'arch/csky/kernel/ptrace.c')
| -rw-r--r-- | arch/csky/kernel/ptrace.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c index a76d466e1d0a..eb62e0764b42 100644 --- a/arch/csky/kernel/ptrace.c +++ b/arch/csky/kernel/ptrace.c @@ -241,6 +241,7 @@ asmlinkage void syscall_trace(int why, struct pt_regs *regs) regs->regs[SYSTRACE_SAVENUM] = saved_why; } +extern void show_stack(struct task_struct *task, unsigned long *stack); void show_regs(struct pt_regs *fp) { unsigned long *sp; @@ -263,35 +264,37 @@ void show_regs(struct pt_regs *fp) (int) (((unsigned long) current) + 2 * PAGE_SIZE)); } - pr_info("PC: 0x%08lx\n", (long)fp->pc); + pr_info("PC: 0x%08lx (%pS)\n", (long)fp->pc, (void *)fp->pc); + pr_info("LR: 0x%08lx (%pS)\n", (long)fp->lr, (void *)fp->lr); + pr_info("SP: 0x%08lx\n", (long)fp); pr_info("orig_a0: 0x%08lx\n", fp->orig_a0); pr_info("PSR: 0x%08lx\n", (long)fp->sr); - pr_info("a0: 0x%08lx a1: 0x%08lx a2: 0x%08lx a3: 0x%08lx\n", - fp->a0, fp->a1, fp->a2, fp->a3); + pr_info(" a0: 0x%08lx a1: 0x%08lx a2: 0x%08lx a3: 0x%08lx\n", + fp->a0, fp->a1, fp->a2, fp->a3); #if defined(__CSKYABIV2__) - pr_info("r4: 0x%08lx r5: 0x%08lx r6: 0x%08lx r7: 0x%08lx\n", + pr_info(" r4: 0x%08lx r5: 0x%08lx r6: 0x%08lx r7: 0x%08lx\n", fp->regs[0], fp->regs[1], fp->regs[2], fp->regs[3]); - pr_info("r8: 0x%08lx r9: 0x%08lx r10: 0x%08lx r11: 0x%08lx\n", + pr_info(" r8: 0x%08lx r9: 0x%08lx r10: 0x%08lx r11: 0x%08lx\n", fp->regs[4], fp->regs[5], fp->regs[6], fp->regs[7]); - pr_info("r12 0x%08lx r13: 0x%08lx r15: 0x%08lx\n", + pr_info("r12: 0x%08lx r13: 0x%08lx r15: 0x%08lx\n", fp->regs[8], fp->regs[9], fp->lr); - pr_info("r16:0x%08lx r17: 0x%08lx r18: 0x%08lx r19: 0x%08lx\n", + pr_info("r16: 0x%08lx r17: 0x%08lx r18: 0x%08lx r19: 0x%08lx\n", fp->exregs[0], fp->exregs[1], fp->exregs[2], fp->exregs[3]); - pr_info("r20 0x%08lx r21: 0x%08lx r22: 0x%08lx r23: 0x%08lx\n", + pr_info("r20: 0x%08lx r21: 0x%08lx r22: 0x%08lx r23: 0x%08lx\n", fp->exregs[4], fp->exregs[5], fp->exregs[6], fp->exregs[7]); - pr_info("r24 0x%08lx r25: 0x%08lx r26: 0x%08lx r27: 0x%08lx\n", + pr_info("r24: 0x%08lx r25: 0x%08lx r26: 0x%08lx r27: 0x%08lx\n", fp->exregs[8], fp->exregs[9], fp->exregs[10], fp->exregs[11]); - pr_info("r28 0x%08lx r29: 0x%08lx r30: 0x%08lx tls: 0x%08lx\n", + pr_info("r28: 0x%08lx r29: 0x%08lx r30: 0x%08lx tls: 0x%08lx\n", fp->exregs[12], fp->exregs[13], fp->exregs[14], fp->tls); - pr_info("hi 0x%08lx lo: 0x%08lx\n", + pr_info(" hi: 0x%08lx lo: 0x%08lx\n", fp->rhi, fp->rlo); #else - pr_info("r6: 0x%08lx r7: 0x%08lx r8: 0x%08lx r9: 0x%08lx\n", + pr_info(" r6: 0x%08lx r7: 0x%08lx r8: 0x%08lx r9: 0x%08lx\n", fp->regs[0], fp->regs[1], fp->regs[2], fp->regs[3]); - pr_info("r10: 0x%08lx r11: 0x%08lx r12: 0x%08lx r13: 0x%08lx\n", + pr_info("r10: 0x%08lx r11: 0x%08lx r12: 0x%08lx r13: 0x%08lx\n", fp->regs[4], fp->regs[5], fp->regs[6], fp->regs[7]); - pr_info("r14 0x%08lx r1: 0x%08lx r15: 0x%08lx\n", + pr_info("r14: 0x%08lx r1: 0x%08lx r15: 0x%08lx\n", fp->regs[8], fp->regs[9], fp->lr); #endif @@ -313,4 +316,7 @@ void show_regs(struct pt_regs *fp) pr_cont("%08x ", (int) *sp++); } pr_cont("\n"); + + show_stack(NULL, (unsigned long *)fp->regs[4]); + return; } |