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-rw-r--r--arch/arm64/kernel/process.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 57fb55c44c90..7ae8a1f00c3c 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -143,15 +143,26 @@ void machine_restart(char *cmd)
143 143
144void __show_regs(struct pt_regs *regs) 144void __show_regs(struct pt_regs *regs)
145{ 145{
146 int i; 146 int i, top_reg;
147 u64 lr, sp;
148
149 if (compat_user_mode(regs)) {
150 lr = regs->compat_lr;
151 sp = regs->compat_sp;
152 top_reg = 12;
153 } else {
154 lr = regs->regs[30];
155 sp = regs->sp;
156 top_reg = 29;
157 }
147 158
148 show_regs_print_info(KERN_DEFAULT); 159 show_regs_print_info(KERN_DEFAULT);
149 print_symbol("PC is at %s\n", instruction_pointer(regs)); 160 print_symbol("PC is at %s\n", instruction_pointer(regs));
150 print_symbol("LR is at %s\n", regs->regs[30]); 161 print_symbol("LR is at %s\n", lr);
151 printk("pc : [<%016llx>] lr : [<%016llx>] pstate: %08llx\n", 162 printk("pc : [<%016llx>] lr : [<%016llx>] pstate: %08llx\n",
152 regs->pc, regs->regs[30], regs->pstate); 163 regs->pc, lr, regs->pstate);
153 printk("sp : %016llx\n", regs->sp); 164 printk("sp : %016llx\n", sp);
154 for (i = 29; i >= 0; i--) { 165 for (i = top_reg; i >= 0; i--) {
155 printk("x%-2d: %016llx ", i, regs->regs[i]); 166 printk("x%-2d: %016llx ", i, regs->regs[i]);
156 if (i % 2 == 0) 167 if (i % 2 == 0)
157 printk("\n"); 168 printk("\n");