coredump¶
Arch Linux 上預設的 coredump 位置： /var/lib/systemd/coredump/
$ coredumpctl gdb PATTERN
(gdb) info registers
eax 0x7e 126
ecx 0x7fffff81 2147483521
edx 0xf76d0870 -143849360
ebx 0x0 0
esp 0xffddfb60 0xffddfb60
ebp 0x3167953b 0x3167953b
esi 0x1 1
edi 0xf76cf000 -143855616
eip 0x5f892161 0x5f892161
eflags 0x10286 [ PF SF IF RF ]
cs 0x23 35
ss 0x2b 43
ds 0x2b 43
es 0x2b 43
fs 0x0 0
gs 0x63 99
(gdb) info registers
rax 0x0 0
rbx 0x0 0
rcx 0x0 0
rdx 0x7fffffffe8e8 140737488349416
rsi 0x7fffffffe8d8 140737488349400
rdi 0x1 1
rbp 0x7fffffffe7e0 0x7fffffffe7e0
rsp 0x7fffffffe7d0 0x7fffffffe7d0
r8 0x4006d0 4196048
r9 0x7ffff7dea4e0 140737351951584
r10 0x833 2099
r11 0x7ffff7a596a0 140737348212384
r12 0x4004f0 4195568
r13 0x7fffffffe8d0 140737488349392
r14 0x0 0
r15 0x0 0
rip 0x4005ff 0x4005ff <hook+8>
eflags 0x202 [ IF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0