https://sourceware.org/bugzilla/show_bug.cgi?id=21389
Bug ID: 21389
Summary: --version-script --soname is broken
Product: binutils
Version: 2.29 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
On Linux/x86, I got
[hjl@gnu-6 soname]$ cat z.c
void x();
void z() {
x();
}
[hjl@gnu-6 soname]$ make
gcc -B./ -fPIC -c -o z.o z.c
./ld -soname=libz.so --version-script=z.v -shared -o libz.so.new z.o
objdump -p libz.so.new
libz.so.new: file format elf64-x86-64
Program Header:
LOAD off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**21
filesz 0x00000000000002f4 memsz 0x00000000000002f4 flags r-x
LOAD off 0x0000000000000ed0 vaddr 0x0000000000200ed0 paddr
0x0000000000200ed0 align 2**21
filesz 0x0000000000000150 memsz 0x0000000000000150 flags rw-
DYNAMIC off 0x0000000000000ed0 vaddr 0x0000000000200ed0 paddr
0x0000000000200ed0 align 2**3
filesz 0x0000000000000130 memsz 0x0000000000000130 flags rw-
STACK off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**4
filesz 0x0000000000000000 memsz 0x0000000000000000 flags rw-
RELRO off 0x0000000000000ed0 vaddr 0x0000000000200ed0 paddr
0x0000000000200ed0 align 2**0
filesz 0x0000000000000130 memsz 0x0000000000000130 flags r--
Dynamic Section:
SONAME libz.so
HASH 0x0000000000000158
STRTAB 0x00000000000001e0
SYMTAB 0x0000000000000180
STRSZ 0x000000000000001d
SYMENT 0x0000000000000018
PLTGOT 0x0000000000201000
PLTRELSZ 0x0000000000000018
PLTREL 0x0000000000000007
JMPREL 0x0000000000000240
VERDEF 0x0000000000000208
VERDEFNUM 0x0000000000000002
VERSYM 0x00000000000001fe
Version definitions:
1 0x01 0x05f4cd17 libz.so.new <<<<<<<<<<<<<<<<< It should be libz.so.
2 0x00 0x00004662 BAR
[hjl@gnu-6 soname]$
This is caused by
commit 902e9fc76a0ec9f642cefa71ef88cca1c675ad54
Author: Maciej W. Rozycki <ma...@imgtec.com>
Date: Tue Feb 21 01:46:42 2017 +0000
PR ld/20828: Move symbol version processing ahead of GC symbol sweep
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