derek.holloway
7502bf64a4
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86 lines
2.6 KiB
ArmAsm
86 lines
2.6 KiB
ArmAsm
# REQUIRES: ppc
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## Test that we create canonical PLT entries for -no-pie.
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# RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o
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# RUN: llvm-mc -filetype=obj -triple=powerpc %p/Inputs/canonical-plt-pcrel.s -o %t1.o
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# RUN: ld.lld %t1.o -o %t1.so -shared -soname=so
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# RUN: ld.lld %t.o %t1.so -o %t
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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s
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# RUN: llvm-readelf -S -s %t | FileCheck --check-prefix=SYM %s
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# RUN: llvm-readelf -x .plt %t | FileCheck --check-prefix=HEX %s
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# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
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# REL: Relocations [
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# REL-NEXT: .rela.plt {
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# REL-NEXT: 0x10030318 R_PPC_JMP_SLOT func 0x0
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# REL-NEXT: 0x1003031C R_PPC_JMP_SLOT func2 0x0
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# REL-NEXT: 0x10030320 R_PPC_JMP_SLOT ifunc 0x0
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# REL-NEXT: }
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# REL-NEXT: ]
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# SYM: .glink PROGBITS 1001022c
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## st_value points to the canonical PLT entry in .glink
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# SYM: Symbol table '.dynsym'
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# SYM: 1001022c 0 FUNC GLOBAL DEFAULT UND func
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# SYM: 1001023c 0 FUNC GLOBAL DEFAULT UND func2
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# SYM: 1001024c 0 FUNC GLOBAL DEFAULT UND ifunc
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# SYM: Symbol table '.symtab'
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# SYM: 1001022c 0 FUNC GLOBAL DEFAULT UND func
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# SYM: 1001023c 0 FUNC GLOBAL DEFAULT UND func2
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# SYM: 1001024c 0 FUNC GLOBAL DEFAULT UND ifunc
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# HEX: 0x10030318 1001025c 10010260 10010264
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## Canonical PLT entry of func.
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## 0x10030318 = 65536*4099+792
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# CHECK: 1001022c <.glink>:
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# CHECK-NEXT: lis 11, 4099
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# CHECK-NEXT: lwz 11, 792(11)
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# CHECK-NEXT: mtctr 11
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# CHECK-NEXT: bctr
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## Canonical PLT entry of func2.
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## 0x1003031C = 65536*4099+796
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# CHECK-NEXT: 1001023c: lis 11, 4099
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# CHECK-NEXT: lwz 11, 796(11)
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# CHECK-NEXT: mtctr 11
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# CHECK-NEXT: bctr
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## Canonical PLT entry of ifunc.
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## 0x10030320 = 65536*4099+800
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# CHECK-NEXT: 1001024c: lis 11, 4099
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# CHECK-NEXT: lwz 11, 800(11)
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# CHECK-NEXT: mtctr 11
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# CHECK-NEXT: bctr
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## The 3 b instructions are referenced by .plt entries.
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# CHECK-NEXT: 1001025c: b 0x10010268
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# CHECK-NEXT: b 0x10010268
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# CHECK-NEXT: b 0x10010268
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## PLTresolve of 64 bytes is at the end.
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## Operands of addis & addi: -0x1001025c = 65536*-4097-604
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# CHECK-NEXT: lis 12, 0
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# CHECK-NEXT: addis 11, 11, -4097
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# CHECK-NEXT: lwz 0, 4(12)
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# CHECK-NEXT: addi 11, 11, -604
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# CHECK-NEXT: mtctr 0
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# CHECK-NEXT: add 0, 11, 11
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# CHECK-NEXT: lwz 12, 8(12)
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# CHECK-NEXT: add 11, 0, 11
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# CHECK-NEXT: bctr
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# CHECK-COUNT-7: nop
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.globl _start
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_start:
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b func
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lis 3, func2@ha
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la 3, func2@l(3)
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lis 3, func@ha
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la 3, func@l(3)
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lis 4, ifunc@ha
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la 4, ifunc@l(4)
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