derek.holloway
7502bf64a4
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94 lines
3.4 KiB
ArmAsm
94 lines
3.4 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: llvm-mc -filetype=obj -triple=ppc64le %s -o %t.o
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# RUN: echo 'SECTIONS { \
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# RUN: .text_low 0x2000: { *(.text_low) } \
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# RUN: .text_high 0x2002000 : { *(.text_high) } \
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# RUN: }' > %t.script
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# RUN: ld.lld -pie -T %t.script %t.o -o %t
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# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC-PIE %s
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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC %s
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# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
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## RELATIVE relocs relocating NOBITS .branch_lt do not cause --check-dynamic-relocations errors.
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# RUN: ld.lld -shared -T %t.script %t.o -o %t.so --apply-dynamic-relocs --check-dynamic-relocations
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# RUN: llvm-readelf -S %t.so | FileCheck --check-prefix=SEC-SHARED %s
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# RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s
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# SEC-PIE: Name Type Address Off Size ES Flg Lk Inf Al
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# SEC-PIE: .got PROGBITS 0000000002002120 2012120 000010 00 WA 0 0 8
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# SEC-PIE: .branch_lt NOBITS 0000000002002138 2012138 000020 00 WA 0 0 8
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# SEC-SHARED: Name Type Address Off Size ES Flg Lk Inf Al
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# SEC-SHARED: .got PROGBITS 0000000002002100 2012100 000010 00 WA 0 0 8
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# SEC-SHARED: .branch_lt NOBITS 0000000002002118 2012118 000020 00 WA 0 0 8
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# RELOC: .rela.dyn {
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# RELOC-NEXT: 0x2002128 R_PPC64_RELATIVE - 0x2002000
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# RELOC-NEXT: 0x2002130 R_PPC64_RELATIVE - 0x2012120
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# RELOC-NEXT: 0x2002138 R_PPC64_RELATIVE - 0x2002000
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# RELOC-NEXT: 0x2002140 R_PPC64_RELATIVE - 0x2002008
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# RELOC-NEXT: 0x2002148 R_PPC64_RELATIVE - 0x200200C
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# RELOC-NEXT: 0x2002150 R_PPC64_RELATIVE - 0x2000
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# RELOC-NEXT: }
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# CHECK: <_start>:
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# CHECK-NEXT: 2000: bl 0x2010
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# CHECK-NEXT: bl 0x2002000
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# CHECK-NEXT: bl 0x2030
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# CHECK-NEXT: bl 0x2050
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## &.branch_lt[0] - .TOC. = .branch_lt - (.got+0x8000) = -32744
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# CHECK: <__long_branch_>:
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# CHECK-NEXT: 2010: addis 12, 2, 0
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# CHECK-NEXT: ld 12, -32744(12)
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# CHECK-NEXT: mtctr 12
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# CHECK-NEXT: bctr
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## &.branch_lt[1] - .TOC. = .branch_lt - (.got+0x8000) = -32736
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# CHECK: <__long_branch_>:
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# CHECK-NEXT: 2030: addis 12, 2, 0
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# CHECK-NEXT: ld 12, -32736(12)
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# CHECK-NEXT: mtctr 12
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# CHECK-NEXT: bctr
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## &.branch_lt[2] - .TOC. = .branch_lt - (.got+0x8000) = -32728
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# CHECK: <__long_branch_>:
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# CHECK-NEXT: 2050: addis 12, 2, 0
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# CHECK-NEXT: ld 12, -32728(12)
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# CHECK-NEXT: mtctr 12
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# CHECK-NEXT: bctr
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.section .text_low, "ax", %progbits
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.globl _start
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_start:
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bl .text_high # Need a thunk
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bl .text_high
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bl .text_high+8 # Need a thunk
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bl .text_high+0xc # Need a thunk
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# CHECK: <high_target>:
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# CHECK-NEXT: 2002000: bl 0x2004
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# CHECK-NEXT: bl 0x2004
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# CHECK-NEXT: bl 0x2002020
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## &.branch_lt[3] - .TOC. = .branch_lt - (.got+0x8000) = -32720
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# CHECK: <__long_branch_>:
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# CHECK-NEXT: 2002020: addis 12, 2, 0
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# CHECK-NEXT: ld 12, -32720(12)
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# CHECK-NEXT: mtctr 12
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# CHECK-NEXT: bctr
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.section .text_high, "ax", %progbits
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high_target:
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bl .text_low+4
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bl .text_low+4
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bl .text_low # Need a thunk
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blr
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## Force creation of .got
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addis 3, 2, .text_high@got@ha
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## The R_PPC64_RELATIVE makes sure .rela.dyn survives removeUnusedSyntheticSections.
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.section .data
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.quad .TOC.@tocbase
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