149d9a38e1
Similay to
94655dc8ae
The difference is that in LoongArch, the ALIGN is synthesized when the
alignment is >4, (instead of >=4), and the number of bytes inserted is
`sec->addralign - 4`.
148 lines
4.4 KiB
ArmAsm
148 lines
4.4 KiB
ArmAsm
# REQUIRES: loongarch
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## Test LA64.
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax a.s -o a.o
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax --defsym ELF64=1 b.s -o b.o
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax b1.s -o b1.o
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax c.s -o c.o
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 d.s -o d.o
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## No RELAX. Don't synthesize ALIGN.
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# RUN: ld.lld -r b.o d.o -o bd.ro
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# RUN: llvm-readelf -r bd.ro | FileCheck %s --check-prefix=NOREL
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# NOREL: no relocations
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# RUN: ld.lld -r b.o b.o a.o b.o b1.o c.o d.o -o out.ro
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# RUN: llvm-objdump -dr --no-show-raw-insn out.ro | FileCheck %s
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# RUN: llvm-readelf -r out.ro | FileCheck %s --check-prefix=CHECK-REL
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# CHECK: <b0>:
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# CHECK-NEXT: 0: addi.d $a0, $a1, 1
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# CHECK-NEXT: 4: nop
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# CHECK-EMPTY:
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# CHECK-NEXT: <b0>:
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# CHECK-NEXT: 8: addi.d $a0, $a1, 1
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# CHECK-EMPTY:
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# CHECK-NEXT: <_start>:
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# CHECK-NEXT: c: pcalau12i $a0, 0
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# CHECK-NEXT: 000000000000000c: R_LARCH_PCALA_HI20 .Ltext1_start
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# CHECK-NEXT: 000000000000000c: R_LARCH_RELAX *ABS*
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# CHECK-NEXT: 10: addi.d $a0, $a0, 0
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# CHECK-NEXT: 0000000000000010: R_LARCH_PCALA_LO12 .Ltext1_start
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# CHECK-NEXT: 0000000000000010: R_LARCH_RELAX *ABS*
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# CHECK-NEXT: 14: nop
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# CHECK-NEXT: 0000000000000014: R_LARCH_ALIGN *ABS*+0x4
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# CHECK-EMPTY:
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# CHECK-NEXT: <b0>:
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# CHECK-NEXT: 18: addi.d $a0, $a1, 1
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# CHECK-NEXT: 1c: nop
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# CHECK-NEXT: 20: nop
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# CHECK-NEXT: 0000000000000020: R_LARCH_ALIGN *ABS*+0x4
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# CHECK-NEXT: 24: nop
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# CHECK-EMPTY:
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# CHECK-NEXT: <b1>:
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# CHECK-NEXT: 28: addi.d $a0, $a1, 3
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# CHECK-EMPTY:
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# CHECK-NEXT: <c0>:
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# CHECK-NEXT: 2c: addi.d $a0, $a1, 4
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# CHECK-NEXT: 30: nop
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# CHECK-NEXT: 0000000000000030: R_LARCH_ALIGN *ABS*+0x4
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# CHECK-EMPTY:
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# CHECK-NEXT: <d0>:
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# CHECK-NEXT: 34: addi.d $a0, $a1, 5
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# CHECK-REL: Relocation section '.rela.text' at offset {{.*}} contains 7 entries:
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# CHECK-REL: Relocation section '.rela.text1' at offset {{.*}} contains 5 entries:
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## Test LA32.
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# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+relax a.s -o a.32.o
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# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+relax b.s -o b.32.o
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# RUN: ld.lld -r a.32.o b.32.o -o out.32.ro
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# RUN: ld.lld -Ttext=0x10000 out.32.ro -o out32
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# RUN: llvm-objdump -dr --no-show-raw-insn out32 | FileCheck %s --check-prefix=CHECK32
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# CHECK32: <_start>:
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# CHECK32-NEXT: 10000: pcaddi $a0, 4
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# CHECK32-NEXT: 10004: nop
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# CHECK32-EMPTY:
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# CHECK32-NEXT: <b0>:
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# CHECK32-NEXT: 10008: addi.w $a0, $a1, 1
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# CHECK32: <.Ltext1_start>:
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# CHECK32-NEXT: 10010: pcaddi $a1, 0
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# CHECK32-NEXT: 10014: nop
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# CHECK32-NEXT: 10018: addi.w $a0, $a1, 2
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## Test CREL.
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# RUN: llvm-mc -filetype=obj -triple=loongarch64 -mattr=+relax --crel a.s -o acrel.o
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# RUN: ld.lld -r acrel.o b.o -o out.crel.ro
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# RUN: llvm-objdump -dr --no-show-raw-insn out.crel.ro | FileCheck %s --check-prefix=CHECKC
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# CHECKC: <_start>:
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# CHECKC-NEXT: 0: pcalau12i $a0, 0
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# CHECKC-NEXT: 0000000000000000: R_LARCH_PCALA_HI20 .Ltext1_start
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# CHECKC-NEXT: 0000000000000000: R_LARCH_RELAX *ABS*
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# CHECKC-NEXT: 4: addi.d $a0, $a0, 0
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# CHECKC-NEXT: 0000000000000004: R_LARCH_PCALA_LO12 .Ltext1_start
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# CHECKC-NEXT: 0000000000000004: R_LARCH_RELAX *ABS*
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# CHECKC-NEXT: 8: nop
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# CHECKC-NEXT: 0000000000000008: R_LARCH_ALIGN *ABS*+0x4
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# CHECKC-EMPTY:
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# CHECKC-NEXT: <b0>:
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# CHECKC-NEXT: c: addi.d $a0, $a1, 1
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#--- a.s
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.globl _start
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_start:
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la.pcrel $a0, .Ltext1_start
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.section .text1,"ax"
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.Ltext1_start:
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la.pcrel $a1, .Ltext1_start
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#--- b.s
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.macro addi dst, src1, src2
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.ifdef ELF64
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addi.d \dst, \src1, \src2
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.else
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addi.w \dst, \src1, \src2
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.endif
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.endm
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## Needs synthesized ALIGN.
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.option push
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.option norelax
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.balign 8
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b0:
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addi $a0, $a1, 1
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.section .text1,"ax"
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.balign 8
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addi $a0, $a1, 2
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.option pop
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#--- b1.s
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# Starts with an ALIGN relocation, don't need synthesized ALIGN.
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.option push
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.option norelax
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.reloc ., R_LARCH_ALIGN, 4
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nop
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.balign 8
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b1:
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addi.d $a0, $a1, 3
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.option pop
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#--- c.s
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## Alignment == 4, don't need synthesized ALIGN.
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.balign 4
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c0:
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addi.d $a0, $a1, 4
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#--- d.s
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## Needs synthesized ALIGN.
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.balign 8
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d0:
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addi.d $a0, $a1, 5
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