https://sourceware.org/bugzilla/show_bug.cgi?id=23201
Bug ID: 23201
Summary: Unnecessary dynamic relocations for
HIDDEN/PROVIDE_HIDDEN symbols
Product: binutils
Version: 2.31 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
[hjl@gnu-cfl-1 hidden-6]$ cat x.t
EXTERN(_start)
ENTRY(_start)
SECTIONS
{
.text :
{
HIDDEN (__hidden_sym = .);
*(.text*)
}
}
[hjl@gnu-cfl-1 hidden-6]$ cat x.c
extern int __hidden_sym;
int *foo(void)
{
return &__hidden_sym;
}
[hjl@gnu-cfl-1 hidden-6]$ make LD=ld
gcc -B./ -O2 -g -fpic -c -o x.o x.c
ld -shared -o libx.so x.o -Tx.t
readelf -r libx.so
Relocation section '.rela.dyn' at offset 0x10b0 contains 1 entry:
Offset Info Type Sym. Value Sym. Name +
Addend
0000000001b8 000000000008 R_X86_64_RELATIVE 0
[hjl@gnu-cfl-1 hidden-6]$
We should get
[hjl@gnu-cfl-1 hidden-6]$ readelf -r libx.so
There are no relocations in this file.
[hjl@gnu-cfl-1 hidden-6]$
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