https://sourceware.org/bugzilla/show_bug.cgi?id=32196
Fangrui Song <i at maskray dot me> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |i at maskray dot me
--- Comment #4 from Fangrui Song <i at maskray dot me> ---
With the latest change, call local@plt doesn't generate a relocation when the
symbol is a local symbol in the same section. However, movq $local@PLT, %rax
generates a relocation, which is redundant.
% cat g.s
movq $local@PLT, %rax
call local@plt
movq $.data@PLT, %rax
call .data@plt
local:
.data
% ~/Dev/binutils-gdb/out/debug/gas/as-new g.s -o g.o
% objdump -dr g.o
g.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <local-0x18>:
0: 48 c7 c0 00 00 00 00 mov $0x0,%rax
3: R_X86_64_PLT32 local
7: e8 0c 00 00 00 call 18 <local>
c: 48 c7 c0 00 00 00 00 mov $0x0,%rax
f: R_X86_64_PLT32 .data
13: e8 00 00 00 00 call 18 <local>
14: R_X86_64_PC32 .data-0x4
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