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.
36 lines
1.5 KiB
ArmAsm
36 lines
1.5 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: split-file %s %t.dir && cd %t.dir
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test.s -o test-arm64ec.obj
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// RUN: llvm-mc -filetype=obj -triple=aarch64-windows test.s -o test-arm64.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows other.s -o other-arm64ec.obj
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// RUN: llvm-mc -filetype=obj -triple=aarch64-windows other.s -o other-arm64.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows %S/Inputs/loadconfig-arm64ec.s -o loadconfig-arm64ec.obj
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// RUN: llvm-mc -filetype=obj -triple=aarch64-windows %S/Inputs/loadconfig-arm64.s -o loadconfig-arm64.obj
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// RUN: lld-link -machine:arm64x -dll -noentry test-arm64.obj test-arm64ec.obj other-arm64.obj other-arm64ec.obj \
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// RUN: loadconfig-arm64.obj loadconfig-arm64ec.obj -out:out.dll -wrap:sym -wrap:nosuchsym
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// RUN: llvm-readobj --hex-dump=.test out.dll | FileCheck %s
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// CHECK: 0x180004000 02000000 02000000 01000000 02000000
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// CHECK: 0x180004010 02000000 01000000
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// RUN: lld-link -machine:arm64ec -dll -noentry test-arm64.obj test-arm64ec.obj other-arm64.obj other-arm64ec.obj \
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// RUN: loadconfig-arm64.obj loadconfig-arm64ec.obj -out:out-ec.dll -wrap:sym -wrap:nosuchsym
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// RUN: llvm-readobj --hex-dump=.test out-ec.dll | FileCheck %s
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#--- test.s
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.section .test,"dr"
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.word sym
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.word __wrap_sym
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.word __real_sym
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#--- other.s
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.global sym
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.global __wrap_sym
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.global __real_sym
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sym = 1
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__wrap_sym = 2
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__real_sym = 3
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