diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-11 10:17:53 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-11 10:17:53 -0400 |
commit | e40c2ec6761d11043ad9f6352679049dbee836eb (patch) | |
tree | da62908bf995706bb7251e128ef8918210912153 | |
parent | d191fe093f4494e0220f11f4ef2068b9581357b5 (diff) |
ARM: Dump code/mem oops lines with the appropriate log level
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r-- | arch/arm/kernel/traps.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index e768fb59b674..b551b6504966 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c | |||
@@ -45,7 +45,7 @@ static int __init user_debug_setup(char *str) | |||
45 | __setup("user_debug=", user_debug_setup); | 45 | __setup("user_debug=", user_debug_setup); |
46 | #endif | 46 | #endif |
47 | 47 | ||
48 | static void dump_mem(const char *str, unsigned long bottom, unsigned long top); | 48 | static void dump_mem(const char *, const char *, unsigned long, unsigned long); |
49 | 49 | ||
50 | void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) | 50 | void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) |
51 | { | 51 | { |
@@ -59,7 +59,7 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long | |||
59 | #endif | 59 | #endif |
60 | 60 | ||
61 | if (in_exception_text(where)) | 61 | if (in_exception_text(where)) |
62 | dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); | 62 | dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); |
63 | } | 63 | } |
64 | 64 | ||
65 | #ifndef CONFIG_ARM_UNWIND | 65 | #ifndef CONFIG_ARM_UNWIND |
@@ -81,7 +81,8 @@ static int verify_stack(unsigned long sp) | |||
81 | /* | 81 | /* |
82 | * Dump out the contents of some memory nicely... | 82 | * Dump out the contents of some memory nicely... |
83 | */ | 83 | */ |
84 | static void dump_mem(const char *str, unsigned long bottom, unsigned long top) | 84 | static void dump_mem(const char *lvl, const char *str, unsigned long bottom, |
85 | unsigned long top) | ||
85 | { | 86 | { |
86 | unsigned long first; | 87 | unsigned long first; |
87 | mm_segment_t fs; | 88 | mm_segment_t fs; |
@@ -95,7 +96,7 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) | |||
95 | fs = get_fs(); | 96 | fs = get_fs(); |
96 | set_fs(KERNEL_DS); | 97 | set_fs(KERNEL_DS); |
97 | 98 | ||
98 | printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top); | 99 | printk("%s%s(0x%08lx to 0x%08lx)\n", lvl, str, bottom, top); |
99 | 100 | ||
100 | for (first = bottom & ~31; first < top; first += 32) { | 101 | for (first = bottom & ~31; first < top; first += 32) { |
101 | unsigned long p; | 102 | unsigned long p; |
@@ -113,13 +114,13 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) | |||
113 | sprintf(str + i * 9, " ????????"); | 114 | sprintf(str + i * 9, " ????????"); |
114 | } | 115 | } |
115 | } | 116 | } |
116 | printk("%04lx:%s\n", first & 0xffff, str); | 117 | printk("%s%04lx:%s\n", lvl, first & 0xffff, str); |
117 | } | 118 | } |
118 | 119 | ||
119 | set_fs(fs); | 120 | set_fs(fs); |
120 | } | 121 | } |
121 | 122 | ||
122 | static void dump_instr(struct pt_regs *regs) | 123 | static void dump_instr(const char *lvl, struct pt_regs *regs) |
123 | { | 124 | { |
124 | unsigned long addr = instruction_pointer(regs); | 125 | unsigned long addr = instruction_pointer(regs); |
125 | const int thumb = thumb_mode(regs); | 126 | const int thumb = thumb_mode(regs); |
@@ -152,7 +153,7 @@ static void dump_instr(struct pt_regs *regs) | |||
152 | break; | 153 | break; |
153 | } | 154 | } |
154 | } | 155 | } |
155 | printk("Code: %s\n", str); | 156 | printk("%sCode: %s\n", lvl, str); |
156 | 157 | ||
157 | set_fs(fs); | 158 | set_fs(fs); |
158 | } | 159 | } |
@@ -228,18 +229,18 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p | |||
228 | struct task_struct *tsk = thread->task; | 229 | struct task_struct *tsk = thread->task; |
229 | static int die_counter; | 230 | static int die_counter; |
230 | 231 | ||
231 | printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", | 232 | printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", |
232 | str, err, ++die_counter); | 233 | str, err, ++die_counter); |
233 | print_modules(); | 234 | print_modules(); |
234 | __show_regs(regs); | 235 | __show_regs(regs); |
235 | printk("Process %s (pid: %d, stack limit = 0x%p)\n", | 236 | printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n", |
236 | tsk->comm, task_pid_nr(tsk), thread + 1); | 237 | TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1); |
237 | 238 | ||
238 | if (!user_mode(regs) || in_interrupt()) { | 239 | if (!user_mode(regs) || in_interrupt()) { |
239 | dump_mem("Stack: ", regs->ARM_sp, | 240 | dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp, |
240 | THREAD_SIZE + (unsigned long)task_stack_page(tsk)); | 241 | THREAD_SIZE + (unsigned long)task_stack_page(tsk)); |
241 | dump_backtrace(regs, tsk); | 242 | dump_backtrace(regs, tsk); |
242 | dump_instr(regs); | 243 | dump_instr(KERN_EMERG, regs); |
243 | } | 244 | } |
244 | } | 245 | } |
245 | 246 | ||
@@ -353,7 +354,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) | |||
353 | if (user_debug & UDBG_UNDEFINED) { | 354 | if (user_debug & UDBG_UNDEFINED) { |
354 | printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n", | 355 | printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n", |
355 | current->comm, task_pid_nr(current), pc); | 356 | current->comm, task_pid_nr(current), pc); |
356 | dump_instr(regs); | 357 | dump_instr(KERN_INFO, regs); |
357 | } | 358 | } |
358 | #endif | 359 | #endif |
359 | 360 | ||
@@ -404,7 +405,7 @@ static int bad_syscall(int n, struct pt_regs *regs) | |||
404 | if (user_debug & UDBG_SYSCALL) { | 405 | if (user_debug & UDBG_SYSCALL) { |
405 | printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n", | 406 | printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n", |
406 | task_pid_nr(current), current->comm, n); | 407 | task_pid_nr(current), current->comm, n); |
407 | dump_instr(regs); | 408 | dump_instr(KERN_ERR, regs); |
408 | } | 409 | } |
409 | #endif | 410 | #endif |
410 | 411 | ||
@@ -583,7 +584,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) | |||
583 | if (user_debug & UDBG_SYSCALL) { | 584 | if (user_debug & UDBG_SYSCALL) { |
584 | printk("[%d] %s: arm syscall %d\n", | 585 | printk("[%d] %s: arm syscall %d\n", |
585 | task_pid_nr(current), current->comm, no); | 586 | task_pid_nr(current), current->comm, no); |
586 | dump_instr(regs); | 587 | dump_instr("", regs); |
587 | if (user_mode(regs)) { | 588 | if (user_mode(regs)) { |
588 | __show_regs(regs); | 589 | __show_regs(regs); |
589 | c_backtrace(regs->ARM_fp, processor_mode(regs)); | 590 | c_backtrace(regs->ARM_fp, processor_mode(regs)); |
@@ -660,7 +661,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) | |||
660 | if (user_debug & UDBG_BADABORT) { | 661 | if (user_debug & UDBG_BADABORT) { |
661 | printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n", | 662 | printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n", |
662 | task_pid_nr(current), current->comm, code, instr); | 663 | task_pid_nr(current), current->comm, code, instr); |
663 | dump_instr(regs); | 664 | dump_instr(KERN_ERR, regs); |
664 | show_pte(current->mm, addr); | 665 | show_pte(current->mm, addr); |
665 | } | 666 | } |
666 | #endif | 667 | #endif |