Daniel-Constantin Mierla writes:
> The 'list' command didn't print the source code around the line of
> crash?
may be it is because of this:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 fm_split_frag (size=104, frag=0x7fa1e3879fe8, qm=0x7fa1e187a000) at
mem/f_malloc.c:285
285 mem/f_malloc.c: No such file or directory.
another try:
Program terminated with signal SIGSEGV, Segmentation fault.
#0 fm_split_frag (size=104, frag=0x7fa1e3879fe8, qm=0x7fa1e187a000) at
mem/f_malloc.c:285
285 mem/f_malloc.c: No such file or directory.
(gdb) frame 0
#0 fm_split_frag (size=104, frag=0x7fa1e3879fe8, qm=0x7fa1e187a000) at
mem/f_malloc.c:285
285 in mem/f_malloc.c
(gdb) list
280 in mem/f_malloc.c
(gdb) info locals
rest = 18446744073709551512
n = 0x7fa1e387a068
(gdb) p *qm
$1 = {type = 0, size = 33554432, used = 6945608, real_used = 7824440,
max_real_used = 10067232, ffrags = 315, first_frag = 0x7fa1e1882478,
last_frag = 0x7fa1e3879fe8, free_bitmap = {4100, 0, 17179869184, 0 <repeats
29 times>, 2054}, free_hash = {{first = 0x0,
no = 18446744073709551615}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e1eb63d0, no = 2}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first
= 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first
= 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e24cb560, no = 1}, {first = 0x7fa1e3879fe8, no = 0}
<repeats 149 times>, {first = 0x7fa1e3879fe8, no = 18446744073709551613},
{first = 0x7fa1e3879fe8, no = 0} <repeats 785 times>, {first = 0x0, no =
0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 56 times>, {
first = 0x0, no = 0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 38
times>, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8,
no = 0} <repeats 102 times>, {first = 0x0, no = 0}, {first =
0x7fa1e3879fe8, no = 0} <repeats 17 times>, {first = 0x0, no = 0}, {
first = 0x7fa1e3879fe8, no = 0} <repeats 291 times>, {first = 0x0, no =
0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 29 times>, {
first = 0x0, no = 0}, {first = 0x0, no = 0}, {first = 0x7fa1e3879fe8, no
= 0} <repeats 40 times>, {first = 0x0, no = 0}, {first = 0x0,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no =
0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no =
0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {
first = 0x7fa1e3879fe8, no = 0} <repeats 114 times>, {first = 0x0, no =
0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 13 times>, {
first = 0x0, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first =
0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first
= 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first =
0x7fa1e3879fe8, no = 0} <repeats 47 times>, {first = 0x0, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first
= 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first =
0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {
first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first
= 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first = 0x0,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no =
0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8, no =
0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x7fa1e3879fe8,
no = 0}, {first = 0x7fa1e3879fe8, no = 0}, {first = 0x0, no = 0}, {first
= 0x7fa1e3879fe8, no = 0} <repeats 22 times>, {first = 0x0,
no = 0}, {first = 0x7fa1e3879fe8, no = 0} <repeats 20 times>...}}
(gdb) p *frag
$2 = {size = 104, u = {nxt_free = 0x0, reserved = 0}, prv_free = 0x0}
(gdb) p *n
$3 = {size = 504, u = {nxt_free = 0x8, reserved = 8}, prv_free = 0x400000003}
(gdb)
-- juha
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