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[Bug ld/6844] Segmentation Fault using cross architecture ld command
From: |
jmorrison at printronix dot com |
Subject: |
[Bug ld/6844] Segmentation Fault using cross architecture ld command |
Date: |
20 Aug 2008 18:34:00 -0000 |
------- Additional Comments From jmorrison at printronix dot com 2008-08-20
18:33 -------
Reply to #10:
Item 1. I'll play around so more with the linker script.
Item 2. Here is the information you asked for (i hope):
I've edited out my mistakes...
For brevity I change "/home/morr_jo/work/ToolChain/cross" to "***"
At point of fault, htab is 0x00.
Going UP the call chain to the caller, I got the values below. I stopped there.
Program received signal SIGSEGV, Segmentation fault.
0x0806fe40 in bfd_putb32 (data=1317011489, p=0xb66f694) at
***/src/binutils-2.18.50/bfd/libbfd.c:742
742 addr[0] = (data >> 24) & 0xff;
(gdb) bt
#0 0x0806fe40 in bfd_putb32 (data=1317011489, p=0xb66f694) at
***/src/binutils-2.18.50/bfd/libbfd.c:742
#1 0x08085cce in ppc_elf_finish_dynamic_sections (output_bfd=0x892fbe0,
info=0x8110e60) at ***/src/binutils-2.18.50/bfd/elf32-ppc.c:7739
#2 0x080a28f1 in bfd_elf_final_link (abfd=0x892fbe0, info=0x8110e60) at
***/src/binutils-2.18.50/bfd/elflink.c:10801
#3 0x0805ba4d in ldwrite () at ***/src/binutils-2.18.50/ld/ldwrite.c:567
#4 0x08059843 in main (argc=50, argv=0xbff83044) at
***/src/binutils-2.18.50/ld/ldmain.c:462
(gdb) print htab
$1 = 0
(gdb) print htab->got->contents
Attempt to extract a component of a value that is not a structure pointer.
(gdb) up
#1 0x08085cce in ppc_elf_finish_dynamic_sections (output_bfd=0x892fbe0,
info=0x8110e60) at ***/src/binutils-2.18.50/bfd/elf32-ppc.c:7739
7739 bfd_put_32 (output_bfd, 0x4e800021 /* blrl */, p - 4);
(gdb) print htab
$2 = (struct ppc_elf_link_hash_table *) 0x8931df0
(gdb) print htab->got
$3 = (asection *) 0x893a7e4
(gdb) x/50x htab->got
0x893a7e4: 0x08103048 0x00000018 0x00000008 0x0893a88c
0x893a7f4: 0x0893a73c 0x00104113 0x00000102 0x00000000
0x893a804: 0x00000000 0x00000010 0x00000000 0x000cb0b0
0x893a814: 0x08931730 0x00000002 0x00000000 0x00000000
0x893a824: 0x00000000 0x00000000 0x00000000 0x00000000
0x893a834: 0x00000000 0x00000000 0x00000000 0x00000000
0x893a844: 0x0aaba718 0x00000000 0x00000000 0x00000000
0x893a854: 0x00000000 0x00000000 0x00000000 0x00000000
0x893a864: 0x08939148 0x00000000 0x089380a0 0x089391f4
0x893a874: 0x0893a870 0x08943644 0x09ec8d5c 0x00000000
0x893a884: 0x08103043 0x056935ec 0x08103043 0x00000019
0x893a894: 0x00000009 0x0893a934 0x0893a7e4 0x0010c10b
0x893a8a4: 0x00000100 0x00000000
(gdb) print htab->got->contents
$4 = (unsigned char *) 0xaaba718 ""
(gdb) x/50x htab->got->contents
0xaaba718: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba728: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba738: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba748: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba758: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba768: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba778: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba788: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba798: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba7a8: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba7b8: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba7c8: 0x00000000 0x00000000 0x00000000 0x00000000
0xaaba7d8: 0x00000000 0x00000000
(gdb) print/x htab->elf.hgot->root.u.def.value
$7 = 0xbb4f80
(gdb) print/x htab->got->size
$8 = 0x10
(gdb) up
#2 0x080a28f1 in bfd_elf_final_link (abfd=0x892fbe0, info=0x8110e60) at
***/src/binutils-2.18.50/bfd/elflink.c:10801
10801 if (! (*bed->elf_backend_finish_dynamic_sections) (abfd, info))
(gdb) x/30x htab->got->contents
Attempt to extract a component of a value that is not a structure pointer.
(gdb) print/x htab->got->size
Attempt to extract a component of a value that is not a structure pointer.
(gdb) print/x htab->elf.hgot->root.u.def.value
Attempt to extract a component of a value that is not a structure pointer.
(gdb) bt
#0 0x0806fe40 in bfd_putb32 (data=1317011489, p=0xb66f694) at
***/src/binutils-2.18.50/bfd/libbfd.c:742
#1 0x08085cce in ppc_elf_finish_dynamic_sections (output_bfd=0x892fbe0,
info=0x8110e60) at ***/src/binutils-2.18.50/bfd/elf32-ppc.c:7739
#2 0x080a28f1 in bfd_elf_final_link (abfd=0x892fbe0, info=0x8110e60) at
***/src/binutils-2.18.50/bfd/elflink.c:10801
#3 0x0805ba4d in ldwrite () at ***/src/binutils-2.18.50/ld/ldwrite.c:567
#4 0x08059843 in main (argc=50, argv=0xbff83044) at
***/src/binutils-2.18.50/ld/ldmain.c:462
(gdb)
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6844
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- [Bug ld/6844] Segmentation Fault using cross architecture ld command, (continued)
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/14
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/14
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/14
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, amodra at bigpond dot net dot au, 2008/08/14
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, amodra at bigpond dot net dot au, 2008/08/15
- Re: [Bug ld/6844] New: Segmentation Fault using cross architecture ld command, Nick Clifton, 2008/08/15
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, nickc at redhat dot com, 2008/08/15
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/15
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/15
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, nickc at redhat dot com, 2008/08/20
- [Bug ld/6844] Segmentation Fault using cross architecture ld command,
jmorrison at printronix dot com <=
- [Bug ld/6844] Segmentation Fault using cross architecture ld command, jmorrison at printronix dot com, 2008/08/20