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riscv: Improve __show_regs

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Show the function symbols of epc and ra to improve the
readability of crash reports, and align the printing
formats about the raw epc value.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Kefeng Wang 2021-01-11 20:40:13 +08:00 committed by Palmer Dabbelt
parent 091b945085
commit da401e8945
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GPG Key ID: 2E1319F35FBB1889
1 changed files with 6 additions and 1 deletions
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7
arch/riscv/kernel/process.c
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@ -44,7 +44,12 @@ void __show_regs(struct pt_regs *regs)
{
show_regs_print_info(KERN_DEFAULT);
pr_cont("epc: " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n",
if (!user_mode(regs)) {
pr_cont("epc : %pS\n", (void *)regs->epc);
pr_cont(" ra : %pS\n", (void *)regs->ra);
}
pr_cont("epc : " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n",
regs->epc, regs->ra, regs->sp);
pr_cont(" gp : " REG_FMT " tp : " REG_FMT " t0 : " REG_FMT "\n",
regs->gp, regs->tp, regs->t0);