Hello,
I'm using GnuStep for a couple of months now but I
encoutered from the beginning this problem:
font_cacher gives segv
backtrace:
(gdb) run
Starting program:
/home/build/gnustep/gnustep-xgps-0.7.0/Tools/shared_debug_obj/ix86/linux-gnu/gnu-gnu-gnu/font_cacher
[New Thread 1024 (LWP 31693)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 31693)]
0x406e8853 in hash_string () from
/usr/GNUstep/System/Libraries/ix86/linux-gnu/libobjc.so.1
(gdb) backtrace
#0 0x406e8853 in hash_string () from
/usr/GNUstep/System/Libraries/ix86/linux-gnu/libobjc.so.1
#1 0x0804f868 in _OBJC_SELECTOR_TABLE ()
#2 0x406e625b in hash_value_for_key ()
from /usr/GNUstep/System/Libraries/ix86/linux-gnu/libobjc.so.1
#3 0x406e8440 in __sel_register_typed_name ()
from /usr/GNUstep/System/Libraries/ix86/linux-gnu/libobjc.so.1
#4 0x406e6a7d in __objc_exec_class ()
from /usr/GNUstep/System/Libraries/ix86/linux-gnu/libobjc.so.1
#5 0x0804b9ec in global constructors keyed to XGFontPropULong () at
XGCommonFont.m:284
#6 0x0804beb5 in __do_global_ctors_aux ()
#7 0x0804916a in _init ()
#8 0x407260c7 in __libc_start_main () from /lib/libc.so.6
I'm using gcc 2.96 on mandrake 8.0 linux
but I found this problem on every machine I touched
(various linuces gcc 2.95.2 intel, gcc 2.96 alpha (ev6), gcc 3.0 alpha
(ev6))
I use the gnustep-objc-1.0.1 patches (exept for gcc 3.0 an alpha)
I don't see any static initializers in the XGCommonFont.m
(the line 284 is at EOF) and expecially in XGFontPropULong.
Are "+initialize" methods called before main, though
__do_global_ctors_aux by the runtime ?
I can't breakpoint inside __do_global_ctors_aux
(I've also compiled all packages with debug infos but it was worst)
It seems to be a runtime problem not bound with X
(btw I'm using XFree86 4.0.3 and 4.0.1)
Does anyone have the same problem ?
I would like to try fixing it but I need some insight on how
the objc runtime works (looking in the sources is insightful but
tedious).
Thanks
Marko Mikulicic
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