62 lines
2.1 KiB
ArmAsm
62 lines
2.1 KiB
ArmAsm
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# REQUIRES: ppc
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unkown-linux %p/Inputs/ppc64-toc-relax-shared.s -o %t.o
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# RUN: ld.lld -shared %t.o -o %t.so
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-toc-relax.s -o %t2.o
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# RUN: llvm-readobj -r %t1.o | FileCheck --check-prefix=RELOCS %s
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# RUN: ld.lld %t1.o %t2.o %t.so -o %t
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# RUN: llvm-readelf -S %t | FileCheck --check-prefix=SECTIONS %s
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# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
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# RUN: llvm-objdump -D %t | FileCheck %s
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# In most cases, .toc contains exclusively addresses relocated by R_PPC64_ADDR16.
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# Rarely .toc contain constants or variables.
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# Test we can still perform toc-indirect to toc-relative relaxation.
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# RELOCS: .rela.text {
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# RELOCS-NEXT: 0x0 R_PPC64_TOC16_HA .toc 0x0
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# RELOCS-NEXT: 0x4 R_PPC64_TOC16_LO_DS .toc 0x0
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# RELOCS-NEXT: 0x8 R_PPC64_TOC16_HA .toc 0x8
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# RELOCS-NEXT: 0xC R_PPC64_TOC16_LO_DS .toc 0x8
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# RELOCS-NEXT: 0x10 R_PPC64_TOC16_HA .toc 0x10
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# RELOCS-NEXT: 0x14 R_PPC64_TOC16_LO_DS .toc 0x10
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# RELOCS-NEXT: }
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# SECTIONS: .got PROGBITS 0000000010020090
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# SECTIONS: .toc PROGBITS 0000000010020090
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# NM: 0000000010030000 D default
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# .LCONST1 is .toc[0].
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# .LCONST1 - (.got+0x8000) = 0x10020090 - (0x10020090+0x8000) = -32768
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# CHECK: nop
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# CHECK: lwa 3, -32768(2)
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addis 3, 2, .LCONST1@toc@ha
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lwa 3, .LCONST1@toc@l(3)
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# .LCONST2 is .toc[1]
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# .LCONST2 - (.got+0x8000) = 0x10020098 - (0x10020090+0x8000) = -32760
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# CHECK: nop
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# CHECK: ld 4, -32760(2)
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addis 4, 2, .LCONST2@toc@ha
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ld 4, .LCONST2@toc@l(4)
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# .Ldefault is .toc[2]. `default` is not preemptable when producing an executable.
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# After toc-indirection to toc-relative relaxation, it is loaded using an
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# offset relative to r2.
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# CHECK: nop
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# CHECK: addi 5, 2, 32624
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# CHECK: lwa 5, 0(5)
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addis 5, 2, .Ldefault@toc@ha
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ld 5, .Ldefault@toc@l(5)
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lwa 5, 0(5)
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.section .toc,"aw",@progbits
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.LCONST1:
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.quad 11
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.LCONST2:
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.quad 22
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.Ldefault:
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.tc default[TC],default
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