[...@gnu-6 testsuite]$ cat x.s
.arch armv4
.text
bx lr
[...@gnu-6 testsuite]$ ../as-new -meabi=4 --fix-v4bx -o x.o x.s
[...@gnu-6 testsuite]$ readelf -S x.o
There are 9 section headers, starting at offset 0x94:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] NULL 00000000 000000 000000 00 0 0 0
[ 1] .text PROGBITS 00000000 000034 000004 00 AX 0 0 1
[ 2] .rel.text REL 00000000 000260 000008 08 7 1 4
[ 3] .data PROGBITS 00000000 000038 000000 00 WA 0 0 1
[ 4] .bss NOBITS 00000000 000038 000000 00 WA 0 0 1
[ 5] .ARM.attributes ARM_ATTRIBUTES 00000000 000038 000019 00 0 0 1
[ 6] .shstrtab STRTAB 00000000 000051 000040 00 0 0 1
[ 7] .symtab SYMTAB 00000000 0001fc 000060 10 8 6 4
[ 8] .strtab STRTAB 00000000 00025c 000004 00 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings)
I (info), L (link order), G (group), x (unknown)
O (extra OS processing required) o (OS specific), p (processor specific)
[...@gnu-6 testsuite]$ ../../binutils/strip-new --strip-unneeded x.o -o b.o
[...@gnu-6 testsuite]$ readelf -S b.o
There are 7 section headers, starting at offset 0x84:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] NULL 00000000 000000 000000 00 0 0 0
[ 1] .text PROGBITS 00000000 000034 000004 00 AX 0 0 1
[ 2] .rel.text REL 00000000 00019c 000008 08 0 1 4
[ 3] .data PROGBITS 00000000 000038 000000 00 WA 0 0 1
[ 4] .bss NOBITS 00000000 000038 000000 00 WA 0 0 1
[ 5] .ARM.attributes ARM_ATTRIBUTES 00000000 000038 000019 00 0 0 1
[ 6] .shstrtab STRTAB 00000000 000051 000030 00 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings)
I (info), L (link order), G (group), x (unknown)
O (extra OS processing required) o (OS specific), p (processor specific)
[...@gnu-6 testsuite]$ readelf -r b.o
Relocation section '.rel.text' at offset 0x19c contains 1 entries:
Offset Info Type Sym.Value Sym. Name
00000000 00000028 R_ARM_V4BX
[...@gnu-6 testsuite]$
Symbol table is needed for R_ARM_V4BX, which references the first
entry of symbol table.
--
Summary: strip --strip-unneeded removes symbol table
Product: binutils
Version: 2.20 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: hjl dot tools at gmail dot com
CC: bug-binutils at gnu dot org
GCC target triplet: arm-eabi
http://sourceware.org/bugzilla/show_bug.cgi?id=9945
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