mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
97196564c7
When a global symbol is defined in COMDAT group, we shouldn't leave an undefined symbol in symbol table when the symbol section is discarded unless there is a reference to the symbol outside of COMDAT group. bfd/ PR ld/17550 * elf-bfd.h (elf_link_hash_entry): Update comments for indx, documenting that indx == -3 if symbol is defined in a discarded section. * elflink.c (elf_link_add_object_symbols): Set indx to -3 if symbol is defined in a discarded section. (elf_link_output_extsym): Strip a global symbol defined in a discarded section. ld/ PR ld/17550 * testsuite/ld-elf/pr17550-1.s: New file. * testsuite/ld-elf/pr17550-2.s: Likewise. * testsuite/ld-elf/pr17550-3.s: Likewise. * testsuite/ld-elf/pr17550-4.s: Likewise. * testsuite/ld-elf/pr17550a.d: Likewise. * testsuite/ld-elf/pr17550b.d: Likewise. * testsuite/ld-elf/pr17550c.d: Likewise. * testsuite/ld-elf/pr17550d.d: Likewise.
16 lines
201 B
ArmAsm
16 lines
201 B
ArmAsm
.data
|
|
.dc.a y
|
|
.section .data,"awG",%progbits,foo_group,comdat
|
|
.globl y
|
|
.type y, %object
|
|
.size y, 4
|
|
y:
|
|
.zero 4
|
|
.globl x
|
|
.type x, %object
|
|
.size x, 4
|
|
x:
|
|
.zero 4
|
|
.globl x_alias
|
|
.set x_alias,x
|