(gdb) p $esp
$2 = (void *) 0xa0dcb670
(gdb) x/64xa 0xa0dcb670
0xa0dcb670:     0x0     0xa0dcb754      0xa013190c <segv+116>   0x6035f400
0xa0dcb680:     0x6035f400      0xa0dcb754      0xa01319b6 <segv+286>   0xa02d6dc0 <__FRAME_END__+183148>
0xa0dcb690:     0x6035f400      0x80495d7       0xa02f20c0 <missed_ticks>       0x0
0xa0dcb6a0:     0x0     0x0     0x0     0x0
0xa0dcb6b0:     0x0     0x0     0xa0dcb6fc      0xa0dc8274
0xa0dcb6c0:     0xa0000094 <errno>      0x30001 0xa024e00b <sigemptyset+27>     0xa0dcb6fc
0xa0dcb6d0:     0x0     0x80    0xa0dcb6fc      0xa0dc8274
0xa0dcb6e0:     0xa0000094 <errno>      0xa0dcb784      0xa012f994 <change_signals+76>  0x1
0xa0dcb6f0:     0xa0dcb6fc      0x0     0xa0dcb840      0x16002000
0xa0dcb700:     0x0     0x0     0x0     0x0
0xa0dcb710:     0x0     0x0     0x0     0x0
0xa0dcb720:     0x0     0x0     0x0     0x0
0xa0dcb730:     0x0     0x0     0x0     0x0
0xa0dcb740:     0x0     0x0     0xa034ea94 <segfault_record+276>        0x0
0xa0dcb750:     0xa0dc8274      0xa0dcb794      0xa0131daa <segv_handler+354>   0x6035f400
0xa0dcb760:     0x80495d7       0x0     0x0     0xa0dc8274
(gdb) x/64xa 0xa0dcb770
0xa0dcb770:     0x0     0xa0dcb794      0xa0131d12 <segv_handler+202>   0xa0dcb79c
0xa0dcb780:     0x58    0x0     0x58    0xa0dc8274
0xa0dcb790:     0xa0000094 <errno>      0xa0dcb7c4      0xa0136f15 <sig_handler_common_skas+125>        0xb
0xa0dcb7a0:     0xa0dc8274      0xa0dcb7c4      0xa0136f31 <sig_handler_common_skas+153>        0x0
0xa0dcb7b0:     0x1     0x4     0xa02fd780 <contig_page_data>   0x6035f400
0xa0dcb7c0:     0xa0dc5eac      0xa0dcb7e4      0xa0131e99 <sig_handler+49>     0xb
0xa0dcb7d0:     0xa0dcb7f0      0x0     0x0     0x0
0xa0dcb7e0:     0xa0dcb834      0xa0dcbacc      0xa024dd58 <__restore>  0xb
0xa0dcb7f0:     0x0     0x0     0x2b    0x2b
0xa0dcb800:     0xa0dc5eac      0x6035f400      0xa0dcbacc      0xa0dcbac4
0xa0dcb810:     0xa02fd780 <contig_page_data>   0xa0dcbb78      0x2     0x8
0xa0dcb820:     0xe     0x4     0xa0137209 <copy_chunk_to_user+21>      0x23
0xa0dcb830:     0x10202 0xa0dcbac4      0x2b    0x0
0xa0dcb840:     0x0     0x6035f400      0x0     0x80
0xa0dcb850:     0x2     0xa0dcb8a4      0x1     0xa0dcb87c
0xa0dcb860:     0xa024e00b <sigemptyset+27>     0xa0dcb8a4      0x0     0x80
(gdb) x/64xa 0xa0dcb870
0xa0dcb870:     0x2     0xa0dcb8a4      0x1     0xa0dcb93c
0xa0dcb880:     0xa012fae0 <set_signals+116>    0x0     0xa0dcb8a4      0x0
0xa0dcb890:     0x2     0x0     0x0     0x0
0xa0dcb8a0:     0x0     0x0     0x0     0x0
0xa0dcb8b0:     0x0     0x0     0x0     0x0
0xa0dcb8c0:     0x2     0xa0dcb914      0x1     0xa0dcb8ec
0xa0dcb8d0:     0xa024e00b <sigemptyset+27>     0xa0dcb914      0x0     0x80
0xa0dcb8e0:     0x2     0xa0dcb914      0x1     0xa0dcb9ac
0xa0dcb8f0:     0xa012fae0 <set_signals+116>    0x0     0xa0dcb914      0x0
0xa0dcb900:     0x2     0x0     0x0     0x0
0xa0dcb910:     0x0     0x0     0x0     0x0
0xa0dcb920:     0x0     0x0     0x0     0x0
0xa0dcb930:     0x0     0x0     0x0     0x0
0xa0dcb940:     0x0     0x0     0x0     0x0
0xa0dcb950:     0x0     0x0     0x0     0x0
0xa0dcb960:     0x0     0x0     0x0     0x0
(gdb) x/64xa 0xa0dcb970
0xa0dcb970:     0x0     0x0     0x0     0x0
0xa0dcb980:     0x0     0x0     0x0     0x0
0xa0dcb990:     0x0     0xa0dbd660      0xa043ed20      0xa0dcb9cc
0xa0dcb9a0:     0xa0dcba08      0xa0dcba08      0x3     0xa0dcb9dc
0xa0dcb9b0:     0xa0011b6a <__wake_up+70>       0x3     0xa0ce1ea0      0x1
0xa0dcb9c0:     0xa0ce1ea0      0xa0dcb914      0xa0ce1ea0      0xa0dcba7c
0xa0dcb9d0:     0xa0099120 <devfs_lookup+296>   0xa0ce1ea0      0xa04275e0      0xa0dcba7c
0xa0dcb9e0:     0xa0099117 <devfs_lookup+287>   0x0     0x0     0x0
0xa0dcb9f0:     0x2     0xa0dcba44      0x1     0xa0dcba1c
0xa0dcba00:     0xa024e00b <sigemptyset+27>     0xa0dcba44      0x0     0x80
0xa0dcba10:     0x2     0xa0dcba44      0x1     0xa0dcbadc
0xa0dcba20:     0xa012fae0 <set_signals+116>    0x0     0xa0dcba44      0x0
0xa0dcba30:     0x2     0x0     0x0     0x0
0xa0dcba40:     0x0     0x0     0x0     0x0
0xa0dcba50:     0x0     0x0     0x0     0x0
0xa0dcba60:     0x0     0x0     0x0     0x0
(gdb) x/64xa 0xa0dcbA70
0xa0dcba70:     0x0     0x0     0x0     0xa0dcba9c
0xa0dcba80:     0xa012d7f7 <um_virt_to_phys+75> 0xdc6000        0x0     0xa0dcbaac
0xa0dcba90:     0xa024e00b <sigemptyset+27>     0xbfffdeac      0x1     0xa0dcbacc
0xa0dcbaa0:     0xa0136f9e <maybe_map+34>       0xa0dc8000      0xbfffdeac      0xa0dcbabc
0xa0dcbab0:     0x2     0xa0dcbb04      0x0     0xdc5079
0xa0dcbac0:     0xa024e00b <sigemptyset+27>     0xa0dc5eac      0x8     0xa0dcbaec
0xa0dcbad0:     0xa0137082 <do_op+134>  0xa0dc5eac      0x8     0xa0dcbb78
0xa0dcbae0:     0xa012fae0 <set_signals+116>    0xbfffdeac      0x8     0xa0dcbb2c
0xa0dcbaf0:     0xa01370c5 <buffer_op+57>       0xbfffdeac      0x8     0x1
0xa0dcbb00:     0xa01371f4 <copy_chunk_to_user> 0xa0dcbb78      0x0     0x0
0xa0dcbb10:     0x0     0x0     0x0     0x0
0xa0dcbb20:     0xffffffff      0x8     0xbfffdeac      0xa0dcbb6c
0xa0dcbb30:     0xa0137270 <copy_to_user_skas+80>       0xbfffdeac      0x8     0x1
0xa0dcbb40:     0xa01371f4 <copy_chunk_to_user> 0xa0dcbb78      0x0     0x0
0xa0dcbb50:     0x0     0x0     0x0     0x0
0xa0dcbb60:     0x0     0x8     0x6035f400      0xa0dcbb9c
(gdb) x/64xa 0xa0dcbB70
0xa0dcbb70:     0xa013a5f9 <read_kmem+317>      0xbfffdeac      0x6035f400      0x8
0xa0dcbb80:     0xc035f400      0xa04c01e0      0x0     0x8
0xa0dcbb90:     0xffffffff      0xa0dee1a0      0xffffffea      0xa0dcbbcc
0xa0dcbba0:     0xa00352ed <sys_read+133>       0xa0dee1a0      0xbfffdeac      0x8
0xa0dcbbb0:     0xa0dee1c0      0xa013abac <memory_lseek>       0xc035f400      0x2
0xa0dcbbc0:     0x3     0xa0dcbc3c      0xa0dcbbec      0xa0dcbc5c
0xa0dcbbd0:     0xa0136a1b <execute_syscall_skas+167>   0x3     0xbfffdeac      0x8
0xa0dcbbe0:     0xbfffdeac      0x0     0xbfffde3c      0xa0dcbc8c
0xa0dcbbf0:     0xa0135969 <map+153>    0x10    0xa0dcbc54      0x30002
0xa0dcbc00:     0x0     0x3     0xbfffdeac      0x8
0xa0dcbc10:     0xbfffdeac      0x0     0xbfffde3c      0xa0dcbc3c
0xa0dcbc20:     0xa024e00b <sigemptyset+27>     0x3     0xbfffdeac      0x8
0xa0dcbc30:     0xbfffdeac      0x0     0xbfffde3c      0xa0dcbc5c
0xa0dcbc40:     0xa013098a <record_syscall_start+78>    0xa0347a30 <syscall_record+208> 0x0     0x0
0xa0dcbc50:     0x6fc1  0xa0dc8274      0x7     0xa0dcbc8c
0xa0dcbc60:     0xa0136a90 <handle_syscall+44>  0xa0dc8274      0xa0dcbcdc      0xa0dcbc8c
(gdb) x/64xa 0xa0dcbC70
0xa0dcbc70:     0x6fc1  0x12    0x6fc1  0x0
0xa0dcbc80:     0x6fc1  0xa0dc8274      0xa0dcbcdc      0xa0dcbcbc
0xa0dcbc90:     0xa0135c3c <handle_trap+148>    0xa0dc8274      0xa0dcbcb0      0x2
0xa0dcbca0:     0x0     0xa0dc8324      0x6fc1  0x0
0xa0dcbcb0:     0x57f   0x6fc1  0xa0dc8274      0xa0dcbcec
0xa0dcbcc0:     0xa0135ef8 <userspace+248>      0x6fc1  0xa0dc8274      0x2
0xa0dcbcd0:     0x0     0xa0dda120      0x6fb9  0x57f
0xa0dcbce0:     0x6fb9  0x0     0xa0dc85a0      0xa0dcbd1c
0xa0dcbcf0:     0xa01366b2 <fork_handler+122>   0xa0dc8274      0xa042f5c4      0xa0dcbd1c
0xa0dcbd00:     0xa013669c <fork_handler+100>   0x0     0x0     0x0
0xa0dcbd10:     0x0     0x0     0x0     0xa042f5ac
0xa0dcbd20:     0xa024dd58 <__restore>  0xa     0x0     0x0
0xa0dcbd30:     0x2b    0x2b    0xa0dc85a0      0x0
0xa0dcbd40:     0xa042f5ac      0xa042f590      0x6fb9  0xa0dc8000
0xa0dcbd50:     0xa     0x0     0xe     0x6
0xa0dcbd60:     0xa024dfc1 <kill+17>    0x23    0x286   0xa042f590
(gdb) x/64xa 0xa0dcbD70
0xa0dcbd70:     0x2b    0x0     0x0     0xa287f040
0xa0dcbd80:     0x0     0x0     0x0     0x0
0xa0dcbd90:     0x0     0x0     0x0     0x0
0xa0dcbda0:     0x0     0x0     0x0     0x0
0xa0dcbdb0:     0x0     0x0     0x0     0x0
0xa0dcbdc0:     0x0     0x0     0x0     0x0
0xa0dcbdd0:     0x0     0x0     0x0     0x0
0xa0dcbde0:     0x0     0x0     0x0     0x0
0xa0dcbdf0:     0x0     0x0     0x0     0x0
0xa0dcbe00:     0x0     0x0     0x0     0x0
0xa0dcbe10:     0x0     0x0     0x0     0x0
0xa0dcbe20:     0x0     0x0     0x0     0x0
0xa0dcbe30:     0x0     0x0     0x0     0x0
0xa0dcbe40:     0x0     0x0     0x0     0x0
0xa0dcbe50:     0x0     0x0     0x0     0x0
0xa0dcbe60:     0x0     0x0     0x0     0x0
(gdb) p *((struct sigcontext *)0xa0dcb800)
$3 = {gs = 24236, __gsh = 41180, fs = 62464, __fsh = 24629, es = 47820, __esh = 41180, ds = 47812, __dsh = 41180, 
  edi = 2687489920, esi = 2698820472, ebp = 2, esp = 8, ebx = 14, edx = 4, ecx = 2685628937, eax = 35, trapno = 66050, 
  err = 2698820292, eip = 43, cs = 0, __csh = 0, eflags = 0, esp_at_signal = 1614148608, ss = 0, __ssh = 0, fpstate = 0x80, 
  oldmask = 2, cr2 = 2698819748}