I want to make an ELF(ld -q flag, powerpc).
I want to find that why generates "Segmentation fault(core dumped)" on
relocations section.
=======================
: GNU ld version 2.15
: GNU C version 3.4.1 060908 (powerpc-unknown-tkernel)
: compiled by GNU C version 2.95.3 20010315 (release) [FreeBSD].
: linker option: -q ( --emit relocations )
=======================
-----------------------------------------------------------------------
: Makefile`s ld option is "-static -q -Wl,-q,-v"
pcsv3-160$gmake
Makefile:102: Dependencies: No such file or directory
touch Dependencies
/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/gccppc -mcpu=405
-msoft-float -I/u9/te/include/unix -I/u9/te/include -D_PPC405_ -DBKERNEL
-DUSE_UNICODE -DUSE_HKANA -DUSE_JIS -c ../src.kim/test.S -o test.o
/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/gccppc -L/u9/te/lib/ppc405
-mcpu=405 -msoft-float -static -q -Wl,-q,-v -T reloc.lnk -nostdlib test.o -o
test
collect2 version 3.4.1 060908 (PowerPC T-Kernel)
/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/ld -Qy -static -static -o
test -L/u9/te/lib/ppc405 -L/u9/te/lib/ppc405
-L/u9/te/tool/FreeBSD-i386/libexec/gcc/powerpc-unknown-tkernel/3.4.1
-L/u9/te/tool/FreeBSD-i386/libexec/gcc
-L/u9/te/tool/FreeBSD-i386/lib/gcc/powerpc-unknown-tkernel/3.4.1/nof
-L/u9/te/tool/FreeBSD-i386/lib/gcc/powerpc-unknown-tkernel/3.4.1
-L/u9/te/tool/FreeBSD-i386/lib/gcc
-L/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin
-L/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel
-L/u9/te/tool/FreeBSD-i386/lib/gcc/powerpc-unknown-tkernel/3.4.1/nof
-L/u9/te/tool/FreeBSD-i386/lib/gcc/powerpc-unknown-tkernel/3.4.1
-L/u9/te/tool/FreeBSD-i386/lib/gcc/powerpc-unknown-tkernel/3.4.1/../../../../powerpc-unknown-tkernel/lib
-q -v test.o -T reloc.lnk
/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/ld: warning: cannot find
entry symbol _start; defaulting to 20000000
GNU ld version 2.15
#/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/gccppc
-L/u9/te/lib/ppc405 -mcpu=405 -msoft-float -static -q -Wl,-q,-v -T reloc.lnk
test.o -lg -ltk -lg -lsvc -o test
/u9/te/tool/FreeBSD-i386/powerpc-unknown-tkernel/bin/nm -C -n test |
/u9/te/etc/chkundef -powerpc > test.map
-----------------------------------------------------------------------
pcsv3-160$cat test.S
.text
_start:
stwu 1, -48(1)
stw 31,44(1)
mr 31,1
stw 3,8(31)
stw 4,12(31)
li 0,0
stw 0,16(31)
lis 9,[EMAIL PROTECTED]
li 0,1
stw 0,[EMAIL PROTECTED](9)
.comm g,4,4
-----------------------------------------------------------------------
pcsv3-160$readelf -a test
this is a part of readelf file.
----
Relocation section '.rela.text' at offset 0x2000 contains 2 entries:
Offset Info Type Symbol's Value Symbol's Name Addend
002e7379 6d746162 unrecognised: 62 bad symbol index: 006d7461
72746162 2e7368 R_PPC_EMB_NADDR16_HI bad symbol index: 00002e73
----
I found that ".rela.xxx" area is overlapping.
--
Summary: ld -q , (Host PC/OS: Free-BSD, Target Machine: powerpc)
Product: binutils
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: rewex at hanmail dot net
CC: bug-binutils at gnu dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=3777
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