derek.holloway
7502bf64a4
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149 lines
4.8 KiB
ArmAsm
149 lines
4.8 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 ext.s -o ext.obj
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RUN: llvm-mc -filetype=obj -triple=arm64ec-windows ext-mangled.s -o ext-mangled.obj
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RUN: llvm-mc -filetype=obj -triple=arm64ec-windows impl.s -o impl.obj
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RUN: llvm-mc -filetype=obj -triple=arm64ec-windows impl-cpp.s -o impl-cpp.obj
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RUN: llvm-mc -filetype=obj -triple=arm64ec-windows %S/Inputs/loadconfig-arm64ec.s -o loadconfig.obj
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# Ensure -alternatename can change a mangled function symbol aliasing a defined symbol (typically a guest exit thunk).
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out1.dll ext.obj loadconfig.obj "-alternatename:#func=altsym"
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RUN: llvm-objdump -d out1.dll | FileCheck --check-prefix=DISASM %s
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DISASM: 0000000180001000 <.text>:
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DISASM-NEXT: 180001000: 52800020 mov w0, #0x1 // =1
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DISASM-NEXT: 180001004: d65f03c0 ret
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DISASM-NOT: .thnk
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RUN: llvm-readobj --hex-dump=.test out1.dll | FileCheck --check-prefix=TESTSEC %s
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TESTSEC: 0x180005000 00100000 00100000
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# Ensure -alternatename can change a demangled function symbol aliasing an anti-dependency symbol.
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out2.dll ext.obj loadconfig.obj -alternatename:func=altsym
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RUN: llvm-objdump -d out2.dll | FileCheck --check-prefix=DISASM2 %s
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DISASM2: Disassembly of section .text:
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DISASM2-EMPTY:
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DISASM2-NEXT: 0000000180001000 <.text>:
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DISASM2-NEXT: 180001000: 52800020 mov w0, #0x1 // =1
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DISASM2-NEXT: 180001004: d65f03c0 ret
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DISASM2-EMPTY:
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DISASM2-NEXT: Disassembly of section .thnk:
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DISASM2-EMPTY:
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DISASM2-NEXT: 0000000180006000 <.thnk>:
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DISASM2-NEXT: 180006000: 52800040 mov w0, #0x2 // =2
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DISASM2-NEXT: 180006004: d65f03c0 ret
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RUN: llvm-readobj --hex-dump=.test out2.dll | FileCheck --check-prefix=TESTSEC2 %s
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TESTSEC2: 0x180005000 00100000 00600000
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# Ensure -alternatename cannot modify a demangled function symbol aliasing a defined symbol.
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out3.dll impl.obj loadconfig.obj -alternatename:func=altsym
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RUN: llvm-objdump -d out3.dll | FileCheck --check-prefix=DISASM %s
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RUN: llvm-readobj --hex-dump=.test out3.dll | FileCheck --check-prefix=TESTSEC %s
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out4.dll impl-cpp.obj loadconfig.obj -alternatename:func=altsym
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RUN: llvm-objdump -d out4.dll | FileCheck --check-prefix=DISASM %s
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RUN: llvm-readobj --hex-dump=.test out4.dll | FileCheck --check-prefix=TESTSEC %s
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# Check that when both mangled and demangled alternate names are used,
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# only the one whose target is defined is used (the mangled one in this case).
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out5.dll ext-mangled.obj loadconfig.obj "-alternatename:#func=#altsym" -alternatename:func=altsym
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RUN: llvm-objdump -d out5.dll | FileCheck --check-prefix=DISASM %s
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RUN: llvm-readobj --hex-dump=.test out5.dll | FileCheck --check-prefix=TESTSEC %s
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# Check that when both mangled and demangled alternate names are used,
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# only the one whose target is defined is used (the demangled one in this case).
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RUN: lld-link -machine:arm64ec -dll -noentry -out:out6.dll ext.obj loadconfig.obj "-alternatename:#func=#altsym" -alternatename:func=altsym
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RUN: llvm-objdump -d out6.dll | FileCheck --check-prefix=DISASM2 %s
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RUN: llvm-readobj --hex-dump=.test out6.dll | FileCheck --check-prefix=TESTSEC2 %s
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#--- ext.s
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.weak_anti_dep func
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.set func, "#func"
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.weak_anti_dep "#func"
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.set "#func", thunksym
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.section .test, "r"
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.rva func
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.rva "#func"
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.section .thnk,"xr",discard,thunksym
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thunksym:
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mov w0, #2
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ret
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.section .text,"xr",discard,altsym
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.globl altsym
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altsym:
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mov w0, #1
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ret
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#--- ext-mangled.s
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.weak_anti_dep func
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.set func, "#func"
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.weak_anti_dep "#func"
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.set "#func", thunksym
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.section .test, "r"
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.rva func
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.rva "#func"
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.section .thnk,"xr",discard,thunksym
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thunksym:
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mov w0, #2
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ret
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.section .text,"xr",discard,"#altsym"
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.globl "#altsym"
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"#altsym":
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mov w0, #1
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ret
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.weak_anti_dep altsym
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.set altsym,"#altsym"
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#--- impl.s
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.weak_anti_dep func
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.set func, "#func"
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.section .test, "r"
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.rva func
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.rva "#func"
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.section .text,"xr",discard,"#func"
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"#func":
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mov w0, #1
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ret
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.section .text,"xr",discard,altsym
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.globl altsym
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altsym:
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mov w0, #2
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ret
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#--- impl-cpp.s
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.weak_anti_dep func
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.set func, "?func@@$$hYAXXZ"
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.section .test, "r"
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.rva func
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.rva "?func@@$$hYAXXZ"
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.section .text,"xr",discard,"?func@@$$hYAXXZ"
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"?func@@$$hYAXXZ":
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mov w0, #1
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ret
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.section .text,"xr",discard,altsym
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.globl altsym
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altsym:
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mov w0, #2
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ret
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