forked from OSchip/llvm-project
96 lines
3.0 KiB
ArmAsm
96 lines
3.0 KiB
ArmAsm
# Check R_MIPS_26 relocation handling.
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# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
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# RUN: %S/Inputs/mips-dynamic.s -o %t2.o
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# RUN: ld.lld %t2.o -shared -o %t.so
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# RUN: ld.lld %t1.o %t.so -o %t.exe
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# RUN: llvm-objdump -d %t.exe | FileCheck %s
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# RUN: llvm-readobj -dynamic-table -s -r -mips-plt-got %t.exe \
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# RUN: | FileCheck -check-prefix=REL %s
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# REQUIRES: mips
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# CHECK: Disassembly of section .text:
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# CHECK-NEXT: bar:
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# CHECK-NEXT: 20000: 0c 00 80 06 jal 131096 <loc>
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# CHECK-NEXT: 20004: 00 00 00 00 nop
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#
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# CHECK: __start:
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# CHECK-NEXT: 20008: 0c 00 80 00 jal 131072 <bar>
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# CHECK-NEXT: 2000c: 00 00 00 00 nop
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# CHECK-NEXT: 20010: 0c 00 80 10 jal 131136
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# ^-- 0x20040 gotplt[foo0]
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# CHECK-NEXT: 20014: 00 00 00 00 nop
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#
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# CHECK: loc:
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# CHECK-NEXT: 20018: 00 00 00 00 nop
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# CHECK-NEXT: Disassembly of section .plt:
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# CHECK-NEXT: .plt:
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# CHECK-NEXT: 20020: 3c 1c 00 03 lui $gp, 3
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# CHECK-NEXT: 20024: 8f 99 00 04 lw $25, 4($gp)
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# CHECK-NEXT: 20028: 27 9c 00 04 addiu $gp, $gp, 4
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# CHECK-NEXT: 2002c: 03 1c c0 23 subu $24, $24, $gp
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# CHECK-NEXT: 20030: 03 e0 78 25 move $15, $ra
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# CHECK-NEXT: 20034: 00 18 c0 82 srl $24, $24, 2
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# CHECK-NEXT: 20038: 03 20 f8 09 jalr $25
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# CHECK-NEXT: 2003c: 27 18 ff fe addiu $24, $24, -2
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# CHECK-NEXT: 20040: 3c 0f 00 03 lui $15, 3
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# CHECK-NEXT: 20044: 8d f9 00 0c lw $25, 12($15)
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# CHECK-NEXT: 20048: 03 20 00 08 jr $25
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# CHECK-NEXT: 2004c: 25 f8 00 0c addiu $24, $15, 12
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# REL: Name: .plt
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# REL-NEXT: Type: SHT_PROGBITS
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# REL-NEXT: Flags [ (0x6)
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# REL-NEXT: SHF_ALLOC
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# REL-NEXT: SHF_EXECINSTR
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# REL-NEXT: ]
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# REL-NEXT: Address: 0x[[PLTADDR:[0-9A-F]+]]
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# REL: Name: .got.plt
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# REL-NEXT: Type: SHT_PROGBITS
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# REL-NEXT: Flags [ (0x3)
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# REL-NEXT: SHF_ALLOC
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# REL-NEXT: SHF_WRITE
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# REL-NEXT: ]
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# REL-NEXT: Address: 0x[[GOTPLTADDR:[0-9A-F]+]]
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# REL: Relocations [
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# REL-NEXT: Section (7) .rel.plt {
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# REL-NEXT: 0x[[PLTSLOT:[0-9A-F]+]] R_MIPS_JUMP_SLOT foo0 0x0
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# REL-NEXT: }
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# REL-NEXT: ]
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# REL: 0x70000032 MIPS_PLTGOT 0x[[GOTPLTADDR]]
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# REL: Primary GOT {
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# REL: Local entries [
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# REL-NEXT: ]
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# REL-NEXT: Global entries [
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# REL-NEXT: ]
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# REL: PLT GOT {
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# REL: Entries [
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# REL-NEXT: Entry {
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# REL-NEXT: Address: 0x[[PLTSLOT]]
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# REL-NEXT: Initial: 0x[[PLTADDR]]
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# REL-NEXT: Value: 0x0
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# REL-NEXT: Type: Function
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# REL-NEXT: Section: Undefined
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# REL-NEXT: Name: foo0
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# REL-NEXT: }
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# REL-NEXT: ]
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.text
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.globl bar
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bar:
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jal loc # R_MIPS_26 against .text + offset
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.globl __start
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__start:
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jal bar # R_MIPS_26 against global 'bar' from object file
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jal foo0 # R_MIPS_26 against 'foo0' from DSO
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loc:
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nop
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