1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
| # REQUIRES: ppc
# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s
# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s
# NM-DAG: 0000000010028248 d .TOC.
# NM-DAG: 00000000100101f8 T ifunc
# NM-DAG: 00000000100101fc T ifunc2
# SECTIONS: .plt NOBITS 0000000010030250 000250 000010 00 WA 0 0 8
# __plt_ifunc - . = 0x10010218 - 0x10010208 = 16
# __plt_ifunc2 - . = 0x1001022c - 0x10010210 = 28
# CHECK: _start:
# CHECK-NEXT: addis 2, 12, 2
# CHECK-NEXT: addi 2, 2, -32696
# CHECK-NEXT: 10010208: bl .+16
# CHECK-NEXT: ld 2, 24(1)
# CHECK-NEXT: 10010210: bl .+28
# CHECK-NEXT: ld 2, 24(1)
# .plt[0] - .TOC. = 0x10030250 - 0x10028248 = (1<<16) - 32760
# CHECK: __plt_ifunc:
# CHECK-NEXT: std 2, 24(1)
# CHECK-NEXT: addis 12, 2, 1
# CHECK-NEXT: ld 12, -32760(12)
# CHECK-NEXT: mtctr 12
# CHECK-NEXT: bctr
# .plt[1] - .TOC. = 0x10030250+8 - 0x10028248 = (1<<16) - 32752
# CHECK: __plt_ifunc2:
# CHECK-NEXT: std 2, 24(1)
# CHECK-NEXT: addis 12, 2, 1
# CHECK-NEXT: ld 12, -32752(12)
# CHECK-NEXT: mtctr 12
# CHECK-NEXT: bctr
## Check that we emit 2 R_PPC64_IRELATIVE in .rela.dyn.
## glibc powerpc64 does not eagerly resolve R_PPC64_IRELATIVE if they are in .rela.plt.
# REL: .rela.dyn {
# REL-NEXT: 0x10030250 R_PPC64_IRELATIVE - 0x100101F8
# REL-NEXT: 0x10030258 R_PPC64_IRELATIVE - 0x100101FC
# REL-NEXT: }
.type ifunc STT_GNU_IFUNC
.globl ifunc
ifunc:
nop
.type ifunc2 STT_GNU_IFUNC
.globl ifunc2
ifunc2:
nop
.global _start
.type _start,@function
_start:
.Lfunc_gep0:
addis 2, 12, .TOC.-.Lfunc_gep0@ha
addi 2, 2, .TOC.-.Lfunc_gep0@l
.Lfunc_lep0:
.localentry _start, .Lfunc_lep0-.Lfunc_gep0
bl ifunc
nop
bl ifunc2
nop
|