derek.holloway
7502bf64a4
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165 lines
5.4 KiB
ArmAsm
165 lines
5.4 KiB
ArmAsm
# REQUIRES: riscv
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax a.s -o ac.o
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax b.s -o bc.o
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax b1.s -o b1c.o
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax c.s -o cc.o
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c d.s -o dc.o
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# REQUIRES: aLessRISCyTest
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## No RELAX. Don't synthesize ALIGN.
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# RUN: ld.lld -r bc.o dc.o -o bd.ro
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# NOREL: no relocations
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# RUN: ld.lld -r bc.o bc.o ac.o bc.o b1c.o cc.o dc.o -o out.ro
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# RUN: llvm-objdump -dr -M no-aliases out.ro | FileCheck %s
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# RUN: llvm-readelf -r out.ro | FileCheck %s --check-prefix=CHECK-REL
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# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+relax a.s -o a.o
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# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+relax b.s -o b.o
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# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+relax d.s -o d.o
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# RUN: ld.lld -r a.o b.o d.o -o out0.ro
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# RUN: ld.lld -Ttext=0x10000 out0.ro -o out0
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# RUN: llvm-objdump -dr -M no-aliases out0 | FileCheck %s --check-prefix=CHECK1
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# CHECK: <b0>:
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# CHECK-NEXT: 0: 00158513 addi a0, a1, 0x1
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# CHECK-NEXT: 4: 0001 c.nop
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# CHECK-NEXT: 6: 0001 c.nop
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# CHECK-EMPTY:
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# CHECK-NEXT: <b0>:
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# CHECK-NEXT: 8: 00158513 addi a0, a1, 0x1
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# CHECK-EMPTY:
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# CHECK-NEXT: <_start>:
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# CHECK-NEXT: c: 00000097 auipc ra, 0x0
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# CHECK-NEXT: 000000000000000c: R_RISCV_CALL_PLT foo
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# CHECK-NEXT: 000000000000000c: R_RISCV_RELAX *ABS*
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# CHECK-NEXT: 10: 000080e7 jalr ra, 0x0(ra) <_start>
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# CHECK-NEXT: 14: 0001 c.nop
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# CHECK-NEXT: 0000000000000014: R_RISCV_ALIGN *ABS*+0x6
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# CHECK-NEXT: 16: 0001 c.nop
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# CHECK-NEXT: 18: 0001 c.nop
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# CHECK-EMPTY:
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# CHECK-NEXT: <b0>:
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# CHECK-NEXT: 1a: 00158513 addi a0, a1, 0x1
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# CHECK-NEXT: 1e: 0001 c.nop
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# CHECK-NEXT: 20: 0001 c.nop
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# CHECK-NEXT: 0000000000000020: R_RISCV_ALIGN *ABS*+0x6
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# CHECK-NEXT: 22: 0001 c.nop
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# CHECK-NEXT: 24: 00000013 addi zero, zero, 0x0
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# CHECK-EMPTY:
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# CHECK-NEXT: <b0>:
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# CHECK-NEXT: 28: 00158513 addi a0, a1, 0x1
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# CHECK-EMPTY:
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# CHECK-NEXT: <c0>:
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# CHECK-NEXT: 2c: 00000097 auipc ra, 0x0
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# CHECK-NEXT: 000000000000002c: R_RISCV_CALL_PLT foo
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# CHECK-NEXT: 000000000000002c: R_RISCV_RELAX *ABS*
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# CHECK-NEXT: 30: 000080e7 jalr ra, 0x0(ra) <c0>
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# CHECK-NEXT: 34: 0001 c.nop
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# CHECK-NEXT: 0000000000000034: R_RISCV_ALIGN *ABS*+0x2
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# CHECK-EMPTY:
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# CHECK-NEXT: <d0>:
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# CHECK-NEXT: 36: 00258513 addi a0, a1, 0x2
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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 3 entries:
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# CHECK1: <_start>:
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# CHECK1-NEXT: 010000ef jal ra, 0x10010 <foo>
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# CHECK1-NEXT: 00000013 addi zero, zero, 0x0
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# CHECK1-EMPTY:
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# CHECK1-NEXT: <b0>:
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# CHECK1-NEXT: 00158513 addi a0, a1, 0x1
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# CHECK1-EMPTY:
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# CHECK1-NEXT: <d0>:
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# CHECK1-NEXT: 00258513 addi a0, a1, 0x2
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## Test CREL.
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax --crel a.s -o acrel.o
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# RUN: ld.lld -r acrel.o bc.o -o out1.ro
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# RUN: llvm-objdump -dr -M no-aliases out1.ro | FileCheck %s --check-prefix=CHECK2
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# CHECK2: <_start>:
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# CHECK2-NEXT: 0: 00000097 auipc ra, 0x0
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# CHECK2-NEXT: 0000000000000000: R_RISCV_CALL_PLT foo
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# CHECK2-NEXT: 0000000000000000: R_RISCV_RELAX *ABS*
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# CHECK2-NEXT: 4: 000080e7 jalr ra, 0x0(ra) <_start>
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# CHECK2-NEXT: 8: 0001 c.nop
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# CHECK2-NEXT: 0000000000000008: R_RISCV_ALIGN *ABS*+0x6
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# CHECK2-NEXT: a: 0001 c.nop
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# CHECK2-NEXT: c: 0001 c.nop
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# CHECK2-EMPTY:
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# CHECK2-NEXT: <b0>:
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# CHECK2-NEXT: e: 00158513 addi a0, a1, 0x1
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## A weaker offset-0 ALIGN must not suppress synthesizing the stronger ALIGN required
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## by the subsequent .option norelax .balign 8 (which emits no relocation).
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## https://sourceware.org/bugzilla/show_bug.cgi?id=33236#c4
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# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+c,+relax e.s -o ec.o
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# RUN: ld.lld -r ac.o ec.o -o ae.ro
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# RUN: llvm-readelf -r ae.ro | FileCheck %s --check-prefix=CHECK3-REL
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# CHECK3-REL: Relocation section '.rela.text' {{.*}} contains 4 entries:
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# CHECK3-REL: R_RISCV_ALIGN{{ +}}6
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# CHECK3-REL-NEXT: R_RISCV_ALIGN{{ +}}2
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#--- a.s
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.globl _start
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_start:
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call foo
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.section .text1,"ax"
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.globl foo
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foo:
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call foo
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#--- b.s
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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, 1
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.option pop
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#--- b1.s
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.option push
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.option norelax
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.reloc ., R_RISCV_ALIGN, 6
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addi x0, x0, 0
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c.nop
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.balign 8
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b0:
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addi a0, a1, 1
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.option pop
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#--- c.s
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.balign 2
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c0:
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call foo
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#--- d.s
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## Needs synthesized ALIGN
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.balign 4
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d0:
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addi a0, a1, 2
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#--- e.s
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## Mimick `.balign 4` that generates 2 NOP padding bytes associated with
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## R_RISCV_ALIGN (addend 2) when assembled by old MC.
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.reloc ., R_RISCV_ALIGN, 2
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c.nop
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.option push
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.option norelax
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.balign 8
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e0:
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.word 0x3a393837
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.option pop
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