https://sourceware.org/bugzilla/show_bug.cgi?id=19167
Bug ID: 19167
Summary: --gc-sections is broken with __start_
Product: binutils
Version: 2.26 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
CC: amodra at gmail dot com
Target Milestone: ---
[hjl@gnu-6 gc-4]$ cat a.s
.globl _start
_start:
.dc.a __start__foo
.section _foo,"aw",%progbits
foo:
.ascii "This is "
[hjl@gnu-6 gc-4]$ cat b.s
.section _foo,"aw",%progbits
.ascii "a test.\0"
[hjl@gnu-6 gc-4]$ make
gcc -B./ -fdata-sections -c -o a.o a.s
gcc -B./ -fdata-sections -c -o b.o b.s
./ld --gc-sections -o x a.o b.o
objdump -s -j _foo x
x: file format elf64-x86-64
Contents of section _foo:
6000b8 54686973 20697320 This is
[hjl@gnu-6 gc-4]$ rm x
[hjl@gnu-6 gc-4]$ make LD=ld.gold
ld.gold --gc-sections -o x a.o b.o
objdump -s -j _foo x
x: file format elf64-x86-64
Contents of section _foo:
4010b8 54686973 20697320 61207465 73742e00 This is a test..
[hjl@gnu-6 gc-4]$
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