1# REQUIRES: ppc
2# RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o
3# RUN: echo '.globl f, g, h; f: g: h:' | llvm-mc -filetype=obj -triple=powerpc - -o %t1.o
4# RUN: ld.lld -shared %t1.o -soname t1.so -o %t1.so
5
6## Check we can create PLT entries for -fno-PIE executable.
7# RUN: ld.lld %t.o %t1.so -o %t
8# RUN: llvm-readobj -r -d %t | FileCheck --check-prefix=RELOC %s
9# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC %s
10# RUN: llvm-readelf -x .plt %t | FileCheck --check-prefix=HEX %s
11# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
12
13# SEC:   .got PROGBITS 100202b8
14# RELOC: PPC_GOT 0x100202B8
15
16# RELOC:      .rela.plt {
17# RELOC-NEXT:   0x100302C4 R_PPC_JMP_SLOT f 0x0
18# RELOC-NEXT:   0x100302C8 R_PPC_JMP_SLOT g 0x0
19# RELOC-NEXT: }
20
21## .got2+0x8000-0x10004 = 0x30000+0x8000-0x10004 = 65536*2+32764
22# CHECK-LABEL: <_start>:
23# CHECK-NEXT:    bl 0x100101d0
24# CHECK-NEXT:    bl 0x100101d0
25# CHECK-NEXT:    bl 0x100101e0
26# CHECK-NEXT:    bl 0x100101e0
27# CHECK-EMPTY:
28
29## -fno-PIC call stubs of f and g.
30## .plt[0] = 0x100302c4 = 65536*4099+708
31## .plt[1] = 0x100302c8 = 65536*4099+712
32# CHECK-NEXT:  <00000000.plt_call32.f>:
33# CHECK-NEXT:    lis 11, 4099
34# CHECK-NEXT:    lwz 11, 708(11)
35# CHECK-NEXT:    mtctr 11
36# CHECK-NEXT:    bctr
37# CHECK-EMPTY:
38# CHECK-NEXT:  <00000000.plt_call32.g>:
39# CHECK-NEXT:    lis 11, 4099
40# CHECK-NEXT:    lwz 11, 712(11)
41# CHECK-NEXT:    mtctr 11
42# CHECK-NEXT:    bctr
43# CHECK-EMPTY:
44
45## In Secure PLT ABI, .plt stores function pointers to first instructions of .glink
46# HEX: 0x100302c4 10010200 10010204
47
48## These instructions are referenced by .plt entries.
49# CHECK: 10010200 <.glink>:
50# CHECK-NEXT: b 0x10010208
51# CHECK-NEXT: b 0x10010208
52
53## PLTresolve
54## Operands of lis & lwz: .got+4 = 0x10020070+4 = 65536*4098+700
55## Operands of addis & addi: -.glink = -0x10010200 = 65536*-4097-512
56# CHECK-NEXT: lis 12, 4098
57# CHECK-NEXT: addis 11, 11, -4097
58# CHECK-NEXT: lwz 0, 700(12)
59# CHECK-NEXT: addi 11, 11, -512
60
61# CHECK-NEXT: mtctr 0
62# CHECK-NEXT: add 0, 11, 11
63# CHECK-NEXT: lwz 12, 704(12)
64# CHECK-NEXT: add 11, 0, 11
65# CHECK-NEXT: bctr
66
67## glibc crti.o references _GLOBAL_OFFSET_TABLE_.
68.section .init
69  bcl 20, 31, .+4
70.L:
71  mflr 30
72  addis 30, 30, _GLOBAL_OFFSET_TABLE_-.L@ha
73  addi 30, 30, _GLOBAL_OFFSET_TABLE_-.L@l
74
75.text
76.globl _start
77_start:
78  bl f
79  bl f
80  bl g
81  bl g
82