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Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c56
1 files changed, 40 insertions, 16 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 044a47745a5..7b899584d29 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -295,34 +295,52 @@ static int __init idle_setup(char *str)
}
early_param("idle", idle_setup);
-void show_regs(struct pt_regs * regs)
+void __show_registers(struct pt_regs *regs, int all)
{
unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
unsigned long d0, d1, d2, d3, d6, d7;
+ unsigned long esp;
+ unsigned short ss, gs;
+
+ if (user_mode_vm(regs)) {
+ esp = regs->esp;
+ ss = regs->xss & 0xffff;
+ savesegment(gs, gs);
+ } else {
+ esp = (unsigned long) (&regs->esp);
+ savesegment(ss, ss);
+ savesegment(gs, gs);
+ }
printk("\n");
- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
- printk("EIP: %04x:[<%08lx>] CPU: %d\n",0xffff & regs->xcs,regs->eip, smp_processor_id());
+ printk("Pid: %d, comm: %s %s (%s %.*s)\n",
+ task_pid_nr(current), current->comm,
+ print_tainted(), init_utsname()->release,
+ (int)strcspn(init_utsname()->version, " "),
+ init_utsname()->version);
+
+ printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
+ 0xffff & regs->xcs, regs->eip, regs->eflags,
+ smp_processor_id());
print_symbol("EIP is at %s\n", regs->eip);
- if (user_mode_vm(regs))
- printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp);
- printk(" EFLAGS: %08lx %s (%s %.*s)\n",
- regs->eflags, print_tainted(), init_utsname()->release,
- (int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
- regs->eax,regs->ebx,regs->ecx,regs->edx);
- printk("ESI: %08lx EDI: %08lx EBP: %08lx",
- regs->esi, regs->edi, regs->ebp);
- printk(" DS: %04x ES: %04x FS: %04x\n",
- 0xffff & regs->xds,0xffff & regs->xes, 0xffff & regs->xfs);
+ regs->eax, regs->ebx, regs->ecx, regs->edx);
+ printk("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n",
+ regs->esi, regs->edi, regs->ebp, esp);
+ printk(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n",
+ regs->xds & 0xffff, regs->xes & 0xffff,
+ regs->xfs & 0xffff, gs, ss);
+
+ if (!all)
+ return;
cr0 = read_cr0();
cr2 = read_cr2();
cr3 = read_cr3();
cr4 = read_cr4_safe();
- printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", cr0, cr2, cr3, cr4);
+ printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n",
+ cr0, cr2, cr3, cr4);
get_debugreg(d0, 0);
get_debugreg(d1, 1);
@@ -330,10 +348,16 @@ void show_regs(struct pt_regs * regs)
get_debugreg(d3, 3);
printk("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n",
d0, d1, d2, d3);
+
get_debugreg(d6, 6);
get_debugreg(d7, 7);
- printk("DR6: %08lx DR7: %08lx\n", d6, d7);
+ printk("DR6: %08lx DR7: %08lx\n",
+ d6, d7);
+}
+void show_regs(struct pt_regs *regs)
+{
+ __show_registers(regs, 1);
show_trace(NULL, regs, &regs->esp);
}