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More exception bug
- To: egcs at cygnus dot com
- Subject: More exception bug
- From: hjl at lucon dot org (H.J. Lu)
- Date: Fri, 3 Oct 1997 14:41:55 -0700 (PDT)
Hi,
I was told g++.mike/eh35.C failed because nested exception hanlding
didn't work. I used a different malloc. This time I got
(gdb) r
Starting program:
/home/work/gnu/src/egcs/gcc/testsuite/g++.old-deja/a.out
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=24) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=24) at malloc.c:160
#1 0x8049991 in __register_frame (begin=0x1)
#2 0x8048085 in _init ()
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
#1 0x804b192 in __libc_malloc (size=24) at malloc.c:220
#2 0x8049991 in __register_frame (begin=0x1)
#3 0x8048085 in _init ()
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=1) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=1) at malloc.c:160
#1 0x8048c2c in ___builtin_new (sz=3221224644)
#2 0x80480ee in ___crt_dummy__ ()
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
#1 0x804b192 in __libc_malloc (size=1) at malloc.c:220
#2 0x8048c2c in ___builtin_new (sz=3221224644)
#3 0x80480ee in ___crt_dummy__ ()
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=428) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=428) at malloc.c:160
#1 0x804908c in frame_init (ob=Cannot access memory at address 0xb7.
)
Cannot access memory at address 0x6b.
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=4096) at malloc.c:160
#1 0x804b192 in __libc_malloc (size=428) at malloc.c:220
#2 0x804908c in frame_init (ob=Cannot access memory at address 0xb7.
)
Cannot access memory at address 0x6b.
(gdb) c
Continuing.
Breakpoint 1, 0x804b0a9 in __libc_malloc (size=1) at malloc.c:160
160 {
(gdb) bt
#0 0x804b0a9 in __libc_malloc (size=1) at malloc.c:160
#1 0x8048c2c in ___builtin_new (sz=3221224644)
#2 0x80480ee in ___crt_dummy__ ()
(gdb) c
Continuing.
Breakpoint 2, 0x804b82f in __libc_free (ptr=0x8055ff8) at free.c:204
204 {
#0 0x804b82f in __libc_free (ptr=0x8055ff8) at free.c:204
#1 0x8048bef in ___builtin_delete (ptr=0x8050ab4)
#2 0x8048275 in main () at g++.mike/eh35.C:13
#3 0x80480ee in ___crt_dummy__ ()
Breakpoint 2, 0x804b82f in __libc_free (ptr=0x8055ff8) at free.c:204
204 {
#0 0x804b82f in __libc_free (ptr=0x8055ff8) at free.c:204
#1 0x8048bef in ___builtin_delete (ptr=0x8050ab4)
#2 0x804828d in main () at g++.mike/eh35.C:13
#3 0x80480ee in ___crt_dummy__ ()
Breakpoint 2, 0x804b82f in __libc_free (ptr=0x8056000) at free.c:204
204 {
#0 0x804b82f in __libc_free (ptr=0x8056000) at free.c:204
#1 0x8049a52 in __deregister_frame (begin=0x0)
#2 0x804d8c5 in _fini ()
#3 0x80480f4 in ___crt_dummy__ ()
---Type <return> to continue, or q <return> to quit---
Breakpoint 2, 0x804b82f in __libc_free (ptr=0x8054000) at free.c:204
204 {
#0 0x804b82f in __libc_free (ptr=0x8054000) at free.c:204
#1 0x8049a5b in __deregister_frame (begin=0x0)
#2 0x804d8c5 in _fini ()
#3 0x80480f4 in ___crt_dummy__ ()
Program exited normally.
This time the binary returns 0. BTW, I am using DWARF unwind on
x86. Hope it helps.
Thanks.
--
H.J. Lu (hjl@gnu.ai.mit.edu)