forked from OSchip/llvm-project
116 lines
3.5 KiB
ArmAsm
116 lines
3.5 KiB
ArmAsm
# REQUIRES: ppc
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
|
|
# RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=RELOCS-LE %s
|
|
# RUN: ld.lld %t.o -o %t2
|
|
# RUN: llvm-objdump -D %t2 | FileCheck %s --check-prefix=CHECK-LE
|
|
# RUN: llvm-objdump -D %t2 | FileCheck %s
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
|
|
# RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=RELOCS-BE %s
|
|
# RUN: ld.lld %t.o -o %t2
|
|
# RUN: llvm-objdump -D %t2 | FileCheck %s --check-prefix=CHECK-BE
|
|
# RUN: llvm-objdump -D %t2 | FileCheck %s
|
|
|
|
# Make sure we calculate the offset correctly for a got-indirect access to a
|
|
# global variable as described by the PPC64 ELF V2 abi.
|
|
.text
|
|
.abiversion 2
|
|
.globl _start # -- Begin function _start
|
|
.p2align 4
|
|
.type _start,@function
|
|
_start: # @_start
|
|
.Lfunc_begin0:
|
|
.Lfunc_gep0:
|
|
addis 2, 12, .TOC.-.Lfunc_gep0@ha
|
|
addi 2, 2, .TOC.-.Lfunc_gep0@l
|
|
.Lfunc_lep0:
|
|
.localentry _start, .Lfunc_lep0-.Lfunc_gep0
|
|
# %bb.0: # %entry
|
|
addis 3, 2, .LC0@toc@ha
|
|
ld 3, .LC0@toc@l(3)
|
|
li 4, 0
|
|
stw 4, -12(1)
|
|
li 0,1
|
|
lwa 3, 0(3)
|
|
sc
|
|
.long 0
|
|
.quad 0
|
|
.Lfunc_end0:
|
|
.size _start, .Lfunc_end0-.Lfunc_begin0
|
|
# -- End function
|
|
.section .toc,"aw",@progbits
|
|
.LC0:
|
|
.tc glob[TC],glob
|
|
.type glob,@object # @glob
|
|
.data
|
|
.globl glob
|
|
.p2align 2
|
|
glob:
|
|
.long 55 # 0x37
|
|
.size glob, 4
|
|
|
|
# Verify the relocations emitted for glob are through the .toc
|
|
|
|
# RELOCS-LE: Relocations [
|
|
# RELOCS-LE: .rela.text {
|
|
# RELOCS-LE: 0x0 R_PPC64_REL16_HA .TOC. 0x0
|
|
# RELOCS-LE: 0x4 R_PPC64_REL16_LO .TOC. 0x4
|
|
# RELOCS-LE: 0x8 R_PPC64_TOC16_HA .toc 0x0
|
|
# RELOCS-LE: 0xC R_PPC64_TOC16_LO_DS .toc 0x0
|
|
# RELOCS-LE: }
|
|
# RELOCS-LE: .rela.toc {
|
|
# RELOCS-LE: 0x0 R_PPC64_ADDR64 glob 0x0
|
|
# RELOCS-LE: }
|
|
|
|
# RELOCS-BE: Relocations [
|
|
# RELOCS-BE: .rela.text {
|
|
# RELOCS-BE: 0x2 R_PPC64_REL16_HA .TOC. 0x2
|
|
# RELOCS-BE: 0x6 R_PPC64_REL16_LO .TOC. 0x6
|
|
# RELOCS-BE: 0xA R_PPC64_TOC16_HA .toc 0x0
|
|
# RELOCS-BE: 0xE R_PPC64_TOC16_LO_DS .toc 0x0
|
|
# RELOCS-BE: }
|
|
# RELOCS-BE: .rela.toc {
|
|
# RELOCS-BE: 0x0 R_PPC64_ADDR64 glob 0x0
|
|
# RELOCS-BE: }
|
|
# RELOCS-BE:]
|
|
|
|
# Verify that the global variable access is done through the correct
|
|
# toc entry:
|
|
# r2 = .TOC. = 0x10038000.
|
|
# r3 = r2 - 32760 = 0x10030008 -> .toc entry for glob.
|
|
|
|
# CHECK: _start:
|
|
# CHECK-NEXT: 10010000: {{.*}} addis 2, 12, 2
|
|
# CHECK-NEXT: 10010004: {{.*}} addi 2, 2, -32768
|
|
# CHECK-NEXT: 10010008: {{.*}} nop
|
|
# CHECK-NEXT: 1001000c: {{.*}} ld 3, -32760(2)
|
|
# CHECK: 1001001c: {{.*}} lwa 3, 0(3)
|
|
|
|
# CHECK-LE: Disassembly of section .got:
|
|
# CHECK-LE-NEXT: .got:
|
|
# CHECK-LE-NEXT: 10020000: 00 80 02 10
|
|
# CHECK-LE-NEXT: 10020004: 00 00 00 00
|
|
|
|
# Verify that .toc comes right after .got
|
|
# CHECK-LE: Disassembly of section .toc:
|
|
# CHECK-LE: 10020008: 00 00 03 10
|
|
|
|
# CHECK-LE: Disassembly of section .data:
|
|
# CHECK-LE-NEXT: glob:
|
|
# CHECK-LE-NEXT: 10030000: 37 00 00 00
|
|
|
|
# CHECK-BE: Disassembly of section .got:
|
|
# CHECK-BE-NEXT: .got:
|
|
# CHECK-BE-NEXT: 10020000: 00 00 00 00
|
|
# CHECK-BE-NEXT: 10020004: 10 02 80 00
|
|
|
|
# Verify that .toc comes right after .got
|
|
# CHECK-BE: Disassembly of section .toc:
|
|
# CHECK-BE: 10020008: 00 00 00 00
|
|
# CHECK-BE: 1002000c: 10 03 00 00
|
|
|
|
# CHECK-BE: Disassembly of section .data:
|
|
# CHECK-BE-NEXT: glob:
|
|
# CHECK-BE-NEXT: 10030000: 00 00 00 37
|