llvm-project/lld/test/ELF/mips-plt-r6.s

51 lines
1.9 KiB
ArmAsm

# REQUIRES: mips
# Check PLT entries generation in case of R6 ABI version.
# RUN: echo "SECTIONS { \
# RUN: . = 0x10000; .text ALIGN(0x10000) : { *(.text) } \
# RUN: . = 0x30000; .data : { *(.data) } \
# RUN: }" > %t.script
# 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: ld.lld %t2.o -shared -soname=t.so -o %t.so
# RUN: ld.lld %t1.o %t.so -script %t.script -o %t.exe
# RUN: llvm-objdump -d --no-show-raw-insn %t.exe | FileCheck %s --check-prefixes=DEFAULT,CHECK
# RUN: ld.lld %t2.o -shared -soname=t.so -o %t.so -z hazardplt
# RUN: ld.lld %t1.o %t.so -script %t.script -o %t.exe -z hazardplt
# RUN: llvm-objdump -d --no-show-raw-insn %t.exe | FileCheck %s --check-prefixes=HAZARDPLT,CHECK
# CHECK: Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: <__start>:
# CHECK-NEXT: 20000: jal 131120
# ^-- 0x20030 gotplt[foo0]
# CHECK-NEXT: 20004: nop
#
# CHECK-EMPTY:
# CHECK-NEXT: Disassembly of section .plt:
# CHECK-EMPTY:
# CHECK-NEXT: <.plt>:
# CHECK-NEXT: 20010: aui $gp, $zero, 3
# CHECK-NEXT: 20014: lw $25, 4($gp)
# CHECK-NEXT: 20018: addiu $gp, $gp, 4
# CHECK-NEXT: 2001c: subu $24, $24, $gp
# CHECK-NEXT: 20020: move $15, $ra
# CHECK-NEXT: 20024: srl $24, $24, 2
# DEFAULT: 20028: jalr $25
# HAZARDPLT: 20028: jalr.hb $25
# CHECK-NEXT: 2002c: addiu $24, $24, -2
# CHECK-NEXT: 20030: aui $15, $zero, 3
# CHECK-NEXT: 20034: lw $25, 12($15)
# DEFAULT: 20038: jr $25
# HAZARDPLT: 20038: jr.hb $25
# CHECK-NEXT: 2003c: addiu $24, $15, 12
.text
.global __start
__start:
jal foo0 # R_MIPS_26 against 'foo0' from DSO