Add support form printing out the registers from the dump file. With the patch, we can get the regs, crash> help -r CPU 0: epc : ffffffff800078f8 ra : ffffffff8008862c sp : ff20000010333b90 gp : ffffffff810dde38 tp : ff6000000226c200 t0 : ffffffff8032be68 t1 : 0720072007200720 t2 : 666666666666663c s0 : ff20000010333cf0 s1 : 0000000000000000 a0 : ff20000010333b98 a1 : 0000000000000001 a2 : 0000000000000010 a3 : 0000000000000000 a4 : 0000000000000000 a5 : ff60000001c78000 a6 : 000000000000003c a7 : ffffffff8035c9a4 s2 : ffffffff810df0a8 s3 : ffffffff810df718 s4 : ff20000010333b98 s5 : 0000000000000000 s6 : 0000000000000007 s7 : ffffffff80c4a468 s8 : 00ffffffca281410 s9 : 0000000000000007 s10: 00aaaaaab5bb6700 s11: 0000000000000001 t3 : ff60000001218f00 t4 : ff60000001218f00 t5 : ff60000001218000 t6 : ff20000010333988 Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx> --- riscv64.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/riscv64.c b/riscv64.c index c00ce90..475dc98 100644 --- a/riscv64.c +++ b/riscv64.c @@ -1309,6 +1309,44 @@ riscv64_init(int when) void riscv64_display_regs_from_elf_notes(int cpu, FILE *ofp) { + const struct machine_specific *ms = machdep->machspec; + struct riscv64_register *regs; + + if (!ms->crash_task_regs) { + error(INFO, "registers not collected for cpu %d\n", cpu); + return; + } + + regs = &ms->crash_task_regs[cpu]; + if (!regs->regs[RISCV64_REGS_SP] && !regs->regs[RISCV64_REGS_EPC]) { + error(INFO, "registers not collected for cpu %d\n", cpu); + return; + } + + /* Print riscv64 32 regs */ + fprintf(ofp, + "epc : " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n" + " gp : " REG_FMT " tp : " REG_FMT " t0 : " REG_FMT "\n" + " t1 : " REG_FMT " t2 : " REG_FMT " s0 : " REG_FMT "\n" + " s1 : " REG_FMT " a0 : " REG_FMT " a1 : " REG_FMT "\n" + " a2 : " REG_FMT " a3 : " REG_FMT " a4 : " REG_FMT "\n" + " a5 : " REG_FMT " a6 : " REG_FMT " a7 : " REG_FMT "\n" + " s2 : " REG_FMT " s3 : " REG_FMT " s4 : " REG_FMT "\n" + " s5 : " REG_FMT " s6 : " REG_FMT " s7 : " REG_FMT "\n" + " s8 : " REG_FMT " s9 : " REG_FMT " s10: " REG_FMT "\n" + " s11: " REG_FMT " t3 : " REG_FMT " t4 : " REG_FMT "\n" + " t5 : " REG_FMT " t6 : " REG_FMT "\n", + regs->regs[0], regs->regs[1], regs->regs[2], + regs->regs[3], regs->regs[4], regs->regs[5], + regs->regs[6], regs->regs[7], regs->regs[8], + regs->regs[9], regs->regs[10], regs->regs[11], + regs->regs[12], regs->regs[13], regs->regs[14], + regs->regs[15], regs->regs[16], regs->regs[17], + regs->regs[18], regs->regs[19], regs->regs[20], + regs->regs[21], regs->regs[22], regs->regs[23], + regs->regs[24], regs->regs[25], regs->regs[26], + regs->regs[27], regs->regs[28], regs->regs[29], + regs->regs[30], regs->regs[31]); } #else /* !RISCV64 */ -- 2.17.1 -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/crash-utility Contribution Guidelines: https://github.com/crash-utility/crash/wiki