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Article #442

core dumps in gdb 4.6 on SCO Sys V

#442
From: gert
Date: Tue, 15 Sep 1992 16:17
58 lines
3414 bytes
Hi, 

I just compiled GDB 4.6 on a SCO Unix V, Rel. 3.2.1 machine. When debugging
a "hello world" program, everything works fine, but when (heavy testing) I
try to debug gdb with itself, it crashes:
(gdb/gdb is the 4.6 version, to produce stack trace, gdb 4.4 is used)
(configuration is "i386sco", -DFASCIST_FDOPEN)
------ $ gdb44 gdb/gdb ---------------
GDB is free software and you are welcome to distribute copies of it
 under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.4, Copyright 1991 Free Software Foundation, Inc...
(gdb) run
Starting program: /u/softadm/gdb-4.6/gdb/gdb 
GDB is free software and you are welcome to distribute copies of it
 under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.6, Copyright 1992 Free Software Foundation, Inc.
(gdb) file gdb/gdb
Reading symbols from gdb/gdb...
Program received signal 10, Bus error
mrealloc_check (md=0x0, ptr=0x531008, size=5120) at mmcheck.c:131
mmcheck.c:131: No such file or directory.
(gdb) where
#0  mrealloc_check (md=0x0, ptr=0x531008, size=5120) at mmcheck.c:131
#1  0x8f1e2 in mrealloc (md=0x0, ptr=0x531008, size=5120) at mrealloc.c:57
#2  0x291f5 in xmrealloc (md=0x424d08, ptr=0x10d, size=5120) at utils.c:568
#3  0x29238 in xrealloc (ptr=0x531008, size=5120) at utils.c:598
#4  0x47b9d in coff_lookup_type (index=642) at coffread.c:324
#5  0x47be8 in coff_alloc_type (index=642) at coffread.c:341
#6  0x49b0c in coff_read_struct_type (index=642, length=4, lastsym=648)
    at coffread.c:1995
#7  0x49a8c in decode_base_type (cs=0x424d08, c_type=9, aux=0x0)
    at coffread.c:1929
#8  0x498e3 in decode_type (cs=0x7ffffd04, c_type=9, aux=0x41ed0c)
    at coffread.c:1826
#9  0x4947f in process_coff_symbol (cs=0x7ffffd04, aux=0x41ed0c, 
    objfile=0x43ef08) at coffread.c:1614
#10 0x48cba in read_coff_symtab (symtab_offset=998606, nsyms=153166, 
    objfile=0x43ef08) at coffread.c:1167
#11 0x483a9 in coff_symfile_read (objfile=0x43ef08, section_offsets=0x409fd8, 
    mainline=1) at coffread.c:832
#12 0x1f937 in syms_from_objfile (objfile=0x43ef08, addr=0, mainline=1, 
    verbo=1) at symfile.c:450
#13 0x1fb56 in symbol_file_add (name=0x42c308 "gdb/gdb", from_tty=1, addr=0, 
    mainline=1, mapped=0, readnow=0) at symfile.c:581
#14 0x1fdb5 in symbol_file_command (args=0x42b14c "", from_tty=1)
    at symfile.c:681
#15 0x31a04 in file_command (arg=0x42900d "gdb/gdb", from_tty=1) at exec.c:198
#16 0x1513 in execute_command (p=0x42900d "gdb/gdb", from_tty=1) at main.c:915
#17 0x1674 in command_loop () at main.c:976
#18 0x1384 in main (argc=1, argv=0x7ffffef8) at main.c:853
(gdb) quit
The program is running.  Quit anyway? (y or n) 
----------------------
thanx,

gert doering
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From: gert@greenie.ucrc.SUb.ORG
Subject: core dumps in gdb 4.6 on SCO Sys V
Message-ID: <m0mUdiL-0001aaC@greenie.ucrc.sub.org>
Sender: gnulists@ai.mit.edu
Reply-To: gert.doering@physik.tu-muenchen.de, gert.doering@ap.mchp.sni.de
Organization: GNUs Not Usenet
Distribution: gnu
Date: Tue, 15 Sep 1992 16:17:12 GMT
Approved: bug-gdb@prep.ai.mit.edu
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