llvm-project/lld/test/ELF/ppc32-long-thunk.s

88 lines
2.5 KiB
ArmAsm

# REQUIRES: ppc
# RUN: echo 'SECTIONS { \
# RUN: .text_low 0x2000: { *(.text_low) } \
# RUN: .text_high 0x2002000 : { *(.text_high) } \
# RUN: }' > %t.script
# RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o
# RUN: ld.lld -T %t.script %t.o -o %t
# RUN: llvm-readelf -r %t | FileCheck --check-prefix=SEC %s
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefixes=CHECK,PD %s
# RUN: ld.lld -T %t.script -pie %t.o -o %t
# RUN: llvm-readelf -r %t | FileCheck --check-prefix=SEC %s
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefixes=CHECK,PI %s
# SEC: There are no relocations in this file.
# CHECK: _start:
# CHECK-NEXT: 2000: bl .+24
# CHECK-NEXT: bl .+20
# CHECK-NEXT: bl .+16
# CHECK-NEXT: bl .+33554428
# PD-NEXT: bl .+24
# PI-NEXT: bl .+40
## high = 0x02002008 = 65536*512+8200
# PD: __LongThunk_high:
# PD-NEXT: 2018: lis 12, 512
# PD-NEXT: addi 12, 12, 8200
# PD-NEXT: mtctr 12
# PD-NEXT: bctr
## .text_high+16 = 0x02002010 = 65536*512+8208
# PD: __LongThunk_:
# PD-NEXT: 2028: lis 12, 512
# PD-NEXT: addi 12, 12, 8208
# PD-NEXT: mtctr 12
# PD-NEXT: bctr
## high-0x2028 = 0x02002008-0x2020 = 65536*512-24
# PI: __LongThunk_high:
# PI-NEXT: 2018: mflr 0
# PI-NEXT: bcl 20, 31, .+4
# PI-NEXT: 2020: mflr 12
# PI-NEXT: addis 12, 12, 512
# PI-NEXT: addi 12, 12, -24
# PI-NEXT: mtlr 0
# PI-NEXT: mtctr 12
# PI-NEXT: bctr
## .text_high+16-0x2048 = 0x02002010-0x2048 = 65536*512-48
# PI: __LongThunk_:
# PI-NEXT: 2038: mflr 0
# PI-NEXT: bcl 20, 31, .+4
# PI-NEXT: 2040: mflr 12
# PI-NEXT: addis 12, 12, 512
# PI-NEXT: addi 12, 12, -48
# PI-NEXT: mtlr 0
# PI-NEXT: mtctr 12
# PI-NEXT: bctr
.section .text_low, "ax", %progbits
.globl _start
_start:
bl high@local # Need a thunk
bl high@local # Need a thunk
bl high+32768@plt # Need a thunk
bl high
bl .text_high+16 # Need a thunk
blr
# PD: 02002008 high:
# PD-NEXT: bl .-33554432
# PD-NEXT: bl .+4
# PD: __LongThunk_:
# PD-NEXT: 2002010: lis 12, 0
# PD-NEXT: addi 12, 12, 8200
# PD-NEXT: mtctr 12
# PD-NEXT: bctr
.section .text_high, "ax", %progbits
nop
nop
.globl high
high:
bl .text_low+8
bl .text_low+8 # Need a thunk