5b0572875c
MSVC linker accepts native ARM64 object files as input with `-machine:arm64ec`, similar to `-machine:arm64x`. Its usefulness is very limited; for example, both exports and imports are not reflected in the PE structures and can't work. However, their symbol tables are otherwise functional. Since we already have handling of multiple symbol tables implemented for ARM64X, the required changes are mostly about adjusting relevant checks to account for them on the ARM64EC target. Delay-load helper handling is a bit of a shortcut. The patch never pulls it for native object files and just ensures that the code is fine with that. In general, I think it would be nice to adjust the driver to pull it only when it's actually referenced, which would allow applying the same logic to the native symbol table on ARM64EC without worrying about pulling too much.
46 lines
1.8 KiB
ArmAsm
46 lines
1.8 KiB
ArmAsm
// REQUIRES: aarch64, x86
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// RUN: split-file %s %t.dir && cd %t.dir
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// RUN: llvm-mc -filetype=obj -triple=aarch64-windows crt1-arm64.s -o crt1-arm64.obj
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// RUN: llvm-mc -filetype=obj -triple=aarch64-windows crt2-arm64.s -o crt2-arm64.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows crt1-arm64ec.s -o crt1-arm64ec.obj
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// RUN: llvm-mc -filetype=obj -triple=x86_64-windows crt2-amd64.s -o crt2-amd64.obj
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// Check that .CRT chunks are correctly sorted and that EC and native chunks are split.
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// RUN: lld-link -out:out.dll -machine:arm64x -dll -noentry crt1-arm64.obj crt2-arm64.obj crt1-arm64ec.obj crt2-amd64.obj
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// RUN: llvm-readobj --hex-dump=.CRT out.dll | FileCheck %s
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// RUN: lld-link -out:out2.dll -machine:arm64x -dll -noentry crt1-arm64.obj crt1-arm64ec.obj crt2-arm64.obj crt2-amd64.obj
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// RUN: llvm-readobj --hex-dump=.CRT out2.dll | FileCheck %s
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// RUN: lld-link -out:out3.dll -machine:arm64x -dll -noentry crt2-amd64.obj crt1-arm64ec.obj crt2-arm64.obj crt1-arm64.obj
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// RUN: llvm-readobj --hex-dump=.CRT out3.dll | FileCheck %s
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// RUN: lld-link -out:out4.dll -machine:arm64ec -dll -noentry crt2-amd64.obj crt1-arm64ec.obj crt2-arm64.obj crt1-arm64.obj
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// RUN: llvm-readobj --hex-dump=.CRT out4.dll | FileCheck %s
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// CHECK: 0x180002000 01000000 00000000 02000000 00000000
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// CHECK-NEXT: 0x180002010 03000000 00000000 11000000 00000000
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// CHECK-NEXT: 0x180002020 12000000 00000000 13000000 00000000
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#--- crt1-arm64.s
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.section .CRT$A,"dr"
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.xword 1
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.section .CRT$Z,"dr"
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.xword 3
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#--- crt2-arm64.s
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.section .CRT$B,"dr"
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.xword 2
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#--- crt1-arm64ec.s
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.section .CRT$A,"dr"
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.xword 0x11
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.section .CRT$Z,"dr"
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.xword 0x13
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#--- crt2-amd64.s
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.section .CRT$B,"dr"
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.quad 0x12
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