https://sourceware.org/bugzilla/show_bug.cgi?id=32624
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Jan Beulich from comment #4)
> Created attachment 15909 [details]
> annotated source file
>
> See commentary in there. Is there anything else you need?
This is what I got:
[hjl@gnu-tgl-3 pr32624]$ cat x.s
.text
.global _start
.allow_index_reg
_start:
lea got32@got, %eax
lea got32@got(,%eiz), %eax
add got32@got, %eax
add got32@got(,%eiz), %eax
btl $31, got32@got
btl $31, got32@got(,%eiz)
vpermb got32@got, %zmm1, %zmm0
vpermb got32@got(,%eiz), %zmm1, %zmm0
ret
.data
.p2align 4
got32:
.long 0x058d058d, got32@got
.long 0x058c058c, got32@got
.long got32+0x05000000, got32@got
[hjl@gnu-tgl-3 pr32624]$ make x.o
as -mx86-used-note=no -mrelax-relocations=yes --32 -o x.o x.s
[hjl@gnu-tgl-3 pr32624]$ readelf -r x.o
Relocation section '.rel.text' at offset 0x104 contains 8 entries:
Offset Info Type Sym.Value Sym. Name
00000002 00000203 R_386_GOT32 00000000 got32
00000009 00000203 R_386_GOT32 00000000 got32
0000000f 0000022b R_386_GOT32X 00000000 got32
00000016 00000203 R_386_GOT32 00000000 got32
0000001d 00000203 R_386_GOT32 00000000 got32
00000026 00000203 R_386_GOT32 00000000 got32
00000031 00000203 R_386_GOT32 00000000 got32
0000003c 00000203 R_386_GOT32 00000000 got32
Relocation section '.rel.data' at offset 0x144 contains 4 entries:
Offset Info Type Sym.Value Sym. Name
00000004 00000203 R_386_GOT32 00000000 got32
0000000c 00000203 R_386_GOT32 00000000 got32
00000010 00000101 R_386_32 00000000 .data
00000014 00000203 R_386_GOT32 00000000 got32
[hjl@gnu-tgl-3 pr32624]$ objdump -dwr x.o
x.o: file format elf32-i386
Disassembly of section .text:
00000000 <_start>:
0: 8d 05 00 00 00 00 lea 0x0,%eax 2: R_386_GOT32 got32
6: 8d 04 25 00 00 00 00 lea 0x0(,%eiz,1),%eax 9: R_386_GOT32
got32
d: 03 05 00 00 00 00 add 0x0,%eax f: R_386_GOT32X got32
13: 03 04 25 00 00 00 00 add 0x0(,%eiz,1),%eax 16:
R_386_GOT32got32
1a: 0f ba 25 00 00 00 00 1f btl $0x1f,0x0 1d:
R_386_GOT32got32
22: 0f ba 24 25 00 00 00 00 1f btl $0x1f,0x0(,%eiz,1) 26:
R_386_GOT32 got32
2b: 62 f2 75 48 8d 05 00 00 00 00 vpermb 0x0,%zmm1,%zmm0 31:
R_386_GOT32got32
35: 62 f2 75 48 8d 04 25 00 00 00 00 vpermb
0x0(,%eiz,1),%zmm1,%zmm03c: R_386_GOT32 got32
40: c3 ret
[hjl@gnu-tgl-3 pr32624]$ make
./ld -m elf_i386 -z norelro -z nomemory-seal -o x x.o
objdump -dw x
x: file format elf32-i386
Disassembly of section .text:
08048074 <_start>:
8048074: 8d 05 fc ff ff ff lea 0xfffffffc,%eax
804807a: 8d 04 25 00 90 04 08 lea 0x8049000(,%eiz,1),%eax
8048081: 81 c0 10 90 04 08 add $0x8049010,%eax
8048087: 03 04 25 00 90 04 08 add 0x8049000(,%eiz,1),%eax
804808e: 0f ba 25 00 90 04 08 1f btl $0x1f,0x8049000
8048096: 0f ba 24 25 00 90 04 08 1f btl $0x1f,0x8049000(,%eiz,1)
804809f: 62 f2 75 48 8d 05 fc ff ff ff vpermb 0xfffffffc,%zmm1,%zmm0
80480a9: 62 f2 75 48 8d 04 25 00 90 04 08 vpermb
0x8049000(,%eiz,1),%zmm1,%zmm0
80480b4: c3 ret
[hjl@gnu-tgl-3 pr32624]$
Where are the errors?
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