https://sourceware.org/bugzilla/show_bug.cgi?id=17735
Bug ID: 17735
Summary: gold doesn't set ELFOSABI_GNU for IFUNC
Product: binutils
Version: 2.26 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ccoutant at google dot com
Reporter: hjl.tools at gmail dot com
CC: ian at airs dot com
gold doesn't set ELFOSABI_GNU for IFUNC:
[hjl@gnu-tools-1 tmp]$ cat libb.c
void new_sd_get_seats(void);
static void (*resolve_sd_get_seats(void)) (void) {
return new_sd_get_seats;
}
void sd_get_seats(void) __attribute__((ifunc("resolve_sd_get_seats")));
[hjl@gnu-tools-1 tmp]$ gcc -fpic -c libb.c
[hjl@gnu-tools-1 tmp]$ ld -shared libb.o
[hjl@gnu-tools-1 tmp]$ readelf -h a.out | grep OS/ABI
OS/ABI: UNIX - GNU
[hjl@gnu-tools-1 tmp]$ ld.gold -shared libb.o
[hjl@gnu-tools-1 tmp]$ readelf -h a.out | grep OS/ABI
OS/ABI: UNIX - System V
[hjl@gnu-tools-1 tmp]$
The same goes for STB_GNU_UNIQUE:
[hjl@gnu-tools-1 tmp]$ cat type.s
.data
.type unique_global,%gnu_unique_object
unique_global:
.byte 0x0
.size unique_global,1
[hjl@gnu-tools-1 tmp]$ gcc -c type.s
[hjl@gnu-tools-1 tmp]$ ld -shared type.o
[hjl@gnu-tools-1 tmp]$ readelf -h a.out | grep OS/ABI
OS/ABI: UNIX - GNU
[hjl@gnu-tools-1 tmp]$ ld.gold -shared type.o
[hjl@gnu-tools-1 tmp]$ readelf -h a.out | grep OS/ABI
OS/ABI: UNIX - System V
[hjl@gnu-tools-1 tmp]$
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