1# REQUIRES: ppc
2
3# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unkown-linux %p/Inputs/ppc64-toc-relax-shared.s -o %t.o
4# RUN: ld.lld -shared -soname=t.so %t.o -o %t.so
5# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t1.o
6# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-toc-relax.s -o %t2.o
7# RUN: llvm-readobj -r %t1.o | FileCheck --check-prefix=RELOCS %s
8# RUN: ld.lld %t1.o %t2.o %t.so -o %t
9# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s
10# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
11# RUN: llvm-objdump -D %t | FileCheck %s
12
13# In most cases, .toc contains exclusively addresses relocated by R_PPC64_ADDR16.
14# Rarely .toc contain constants or variables.
15# Test we can still perform toc-indirect to toc-relative relaxation.
16
17# RELOCS:      .rela.text {
18# RELOCS-NEXT:   0x0 R_PPC64_TOC16_HA .toc 0x0
19# RELOCS-NEXT:   0x4 R_PPC64_TOC16_LO_DS .toc 0x0
20# RELOCS-NEXT:   0x8 R_PPC64_TOC16_HA .toc 0x8
21# RELOCS-NEXT:   0xC R_PPC64_TOC16_LO_DS .toc 0x8
22# RELOCS-NEXT:   0x10 R_PPC64_TOC16_HA .toc 0x10
23# RELOCS-NEXT:   0x14 R_PPC64_TOC16_LO_DS .toc 0x10
24# RELOCS-NEXT: }
25
26# SECTIONS: .got              PROGBITS        00000000100202f8
27# SECTIONS: .toc              PROGBITS        00000000100202f8
28
29# NM: 0000000010030310 D default
30
31# .LCONST1 is .toc[0].
32# .LCONST1 - (.got+0x8000) = 0x10020350 - (0x10020350+0x8000) = -32768
33# CHECK: nop
34# CHECK: lwa 3, -32768(2)
35  addis 3, 2, .LCONST1@toc@ha
36  lwa 3, .LCONST1@toc@l(3)
37
38# .LCONST2 is .toc[1]
39# .LCONST2 - (.got+0x8000) = 0x10020358 - (0x10020350+0x8000) = -32760
40# CHECK: nop
41# CHECK: ld 4, -32760(2)
42  addis 4, 2, .LCONST2@toc@ha
43  ld 4, .LCONST2@toc@l(4)
44
45# .Ldefault is .toc[2]. `default` is not preemptable when producing an executable.
46# After toc-indirection to toc-relative relaxation, it is loaded using an
47# offset relative to r2.
48# CHECK: addis 5, 2, 1
49# CHECK: addi 5, 5, -32744
50# CHECK: lwa 5, 0(5)
51  addis 5, 2, .Ldefault@toc@ha
52  ld    5, .Ldefault@toc@l(5)
53  lwa   5, 0(5)
54
55.section .toc,"aw",@progbits
56.LCONST1:
57  .quad 11
58.LCONST2:
59  .quad 22
60.Ldefault:
61  .tc default[TC],default
62