aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/traps.c')
-rw-r--r--arch/s390/kernel/traps.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 57b607b61100..4584d81984c0 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -113,7 +113,7 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
113 } 113 }
114} 114}
115 115
116void show_trace(struct task_struct *task, unsigned long *stack) 116static void show_trace(struct task_struct *task, unsigned long *stack)
117{ 117{
118 register unsigned long __r15 asm ("15"); 118 register unsigned long __r15 asm ("15");
119 unsigned long sp; 119 unsigned long sp;
@@ -161,14 +161,14 @@ void show_stack(struct task_struct *task, unsigned long *sp)
161 show_trace(task, sp); 161 show_trace(task, sp);
162} 162}
163 163
164#ifdef CONFIG_64BIT 164static void show_last_breaking_event(struct pt_regs *regs)
165void show_last_breaking_event(struct pt_regs *regs)
166{ 165{
166#ifdef CONFIG_64BIT
167 printk("Last Breaking-Event-Address:\n"); 167 printk("Last Breaking-Event-Address:\n");
168 printk(" [<%016lx>] ", regs->args[0] & PSW_ADDR_INSN); 168 printk(" [<%016lx>] ", regs->args[0] & PSW_ADDR_INSN);
169 print_symbol("%s\n", regs->args[0] & PSW_ADDR_INSN); 169 print_symbol("%s\n", regs->args[0] & PSW_ADDR_INSN);
170}
171#endif 170#endif
171}
172 172
173/* 173/*
174 * The architecture-independent dump_stack generator 174 * The architecture-independent dump_stack generator
@@ -223,6 +223,24 @@ void show_registers(struct pt_regs *regs)
223 show_code(regs); 223 show_code(regs);
224} 224}
225 225
226void show_regs(struct pt_regs *regs)
227{
228 print_modules();
229 printk("CPU: %d %s %s %.*s\n",
230 task_thread_info(current)->cpu, print_tainted(),
231 init_utsname()->release,
232 (int)strcspn(init_utsname()->version, " "),
233 init_utsname()->version);
234 printk("Process %s (pid: %d, task: %p, ksp: %p)\n",
235 current->comm, current->pid, current,
236 (void *) current->thread.ksp);
237 show_registers(regs);
238 /* Show stack backtrace if pt_regs is from kernel mode */
239 if (!(regs->psw.mask & PSW_MASK_PSTATE))
240 show_trace(NULL, (unsigned long *) regs->gprs[15]);
241 show_last_breaking_event(regs);
242}
243
226/* This is called from fs/proc/array.c */ 244/* This is called from fs/proc/array.c */
227void task_show_regs(struct seq_file *m, struct task_struct *task) 245void task_show_regs(struct seq_file *m, struct task_struct *task)
228{ 246{