mips-pc-relocs.s
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# REQUIRES: mips
# Check R_MIPS_PCxxx relocations calculation.
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mcpu=mips32r6 %s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: -mcpu=mips32r6 %S/Inputs/mips-dynamic.s -o %t2.o
# RUN: echo "SECTIONS { \
# RUN: . = 0x10000; .text ALIGN(0x10000) : { *(.text) } \
# RUN: . = 0x30000; .data : { *(.data) } \
# RUN: }" > %t.script
# RUN: ld.lld %t1.o %t2.o -script %t.script -o %t.exe
# RUN: llvm-objdump --mcpu=mips32r6 -d -t -s --no-show-raw-insn %t.exe \
# RUN: | FileCheck %s
.text
.globl __start
__start:
lwpc $6, _foo # R_MIPS_PC19_S2
beqc $5, $6, _foo # R_MIPS_PC16
beqzc $9, _foo # R_MIPS_PC21_S2
bc _foo # R_MIPS_PC26_S2
aluipc $2, %pcrel_hi(_foo) # R_MIPS_PCHI16
addiu $2, $2, %pcrel_lo(_foo) # R_MIPS_PCLO16
.data
.word _foo+8-. # R_MIPS_PC32
# CHECK: 00020000 g .text 00000000 __start
# CHECK: 00020020 g .text 00000000 _foo
# CHECK: Contents of section .data:
# CHECK-NEXT: 30000 ffff0028 00000000 00000000 00000000
# ^-- 0x20020 + 8 - 0x30000
# CHECK: Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: <__start>:
# CHECK-NEXT: 20000: lwpc $6, 32
# ^-- (0x20020-0x20000)>>2
# CHECK-NEXT: 20004: beqc $5, $6, 28
# ^-- (0x20020-4-0x20004)>>2
# CHECK-NEXT: 20008: beqzc $9, 24
# ^-- (0x20020-4-0x20008)>>2
# CHECK-NEXT: 2000c: bc 20
# ^-- (0x20020-4-0x2000c)>>2
# CHECK-NEXT: 20010: aluipc $2, 0
# ^-- %hi(0x20020-0x20010)
# CHECK-NEXT: 20014: addiu $2, $2, 12
# ^-- %lo(0x20020-0x20014)