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[Bug ld/17313] New: --just-symbols= leads to discarded dynamic section


From: hjl.tools at gmail dot com
Subject: [Bug ld/17313] New: --just-symbols= leads to discarded dynamic section
Date: Tue, 26 Aug 2014 17:07:37 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=17313

            Bug ID: 17313
           Summary: --just-symbols= leads to discarded dynamic section
           Product: binutils
           Version: 2.25 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com

address@hidden lea-2]$ cat lea1.s 
    .data
    .globl foo
foo:
    .quad -1
    .text
    .globl    _start
    .type    _start, @function
_start:
    movq    address@hidden(%rip), %rax
address@hidden lea-2]$ cat lea2.s 
    .text
    .globl    bar
    .type    bar, @function
bar:
    movq    address@hidden(%rip), %rax
    movq    address@hidden(%rip), %rax
address@hidden lea-2]$ make
gcc -c  -o lea2.o lea2.s
gcc -c  -o lea1.o lea1.s
./ld -m elf_x86_64 --just-symbols=lea2.o -Bsymbolic -shared -o libfoo.so lea1.o
./ld: discarded output section: `.got.plt'
make: *** [libfoo.so] Error 1
address@hidden lea-2]$ 

elf_link_add_object_symbols calls  _bfd_elf_link_create_dynamic_sections
with input which will be discarded later.

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