REQUIRES: aarch64, x86
RUN: split-file %s %t.dir && cd %t.dir

RUN: llvm-mc -filetype=obj -triple=arm64ec-windows demangled-dll-main.s -o demangled-dll-main.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows mangled-dll-main.s -o mangled-dll-main.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows demangled-func.s -o demangled-func.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows mangled-func.s -o mangled-func.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows ref-demangled.s -o ref-demangled.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows demangled-entry-drectve.s -o demangled-entry-drectve.obj
RUN: llvm-mc -filetype=obj -triple=x86_64-windows demangled-dll-main.s -o x64-dll-main.obj
RUN: llvm-mc -filetype=obj -triple=x86_64-windows ref-demangled.s -o ref-x64.obj
RUN: llvm-mc -filetype=obj -triple=arm64ec-windows %S/Inputs/loadconfig-arm64ec.s -o loadconfig-arm64ec.obj

RUN: llvm-lib -machine:arm64ec -out:func.lib mangled-func.obj
RUN: llvm-lib -machine:arm64ec -out:dllmain.lib mangled-dll-main.obj

Ensure that the linker recognizes the demangled version of _DllMainCRTStartup.
RUN: lld-link -machine:arm64ec -dll -out:demangled-main.dll demangled-dll-main.obj loadconfig-arm64ec.obj
RUN: llvm-objdump -d demangled-main.dll | FileCheck -check-prefix=DISASM %s

DISASM:      0000000180001000 <.text>:
DISASM-NEXT: 180001000: d65f03c0     ret
DISASM-EMPTY:
DISASM-NEXT: Disassembly of section .hexpthk:
DISASM-EMPTY:
DISASM:      180002000: 48 8b c4                     movq    %rsp, %rax
DISASM-NEXT: 180002003: 48 89 58 20                  movq    %rbx, 0x20(%rax)
DISASM-NEXT: 180002007: 55                           pushq   %rbp
DISASM-NEXT: 180002008: 5d                           popq    %rbp
DISASM-NEXT: 180002009: e9 f2 ef ff ff               jmp     0x180001000 <.text>
DISASM-NEXT: 18000200e: cc                           int3
DISASM-NEXT: 18000200f: cc                           int3

Ensure that the linker recognizes the mangled version of #_DllMainCRTStartup.
RUN: lld-link -machine:arm64ec -dll -out:mangled-dllmain.dll mangled-dll-main.obj loadconfig-arm64ec.obj
RUN: llvm-objdump -d mangled-dllmain.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled version of _DllMainCRTStartup from an archive.
RUN: lld-link -machine:arm64ec -dll -out:mangled-lib-dllmain.dll dllmain.lib loadconfig-arm64ec.obj
RUN: llvm-objdump -d mangled-lib-dllmain.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the demangled entry function.
RUN: lld-link -machine:arm64ec -dll -out:demangled-entry.dll demangled-func.obj loadconfig-arm64ec.obj -entry:func
RUN: llvm-objdump -d demangled-entry.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled entry function when it is referenced by its demangled name.
RUN: lld-link -machine:arm64ec -dll -out:mangled-entry.dll mangled-func.obj loadconfig-arm64ec.obj -entry:func
RUN: llvm-objdump -d mangled-entry.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled entry function when it is referenced by its demangled
name in drectve section.
RUN: lld-link -machine:arm64ec -dll -out:mangled-entry.dll mangled-func.obj loadconfig-arm64ec.obj demangled-entry-drectve.obj
RUN: llvm-objdump -d mangled-entry.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled entry function from an archive.
RUN: lld-link -machine:arm64ec -dll -out:mangled-lib-entry.dll func.lib loadconfig-arm64ec.obj -entry:func
RUN: llvm-objdump -d mangled-lib-entry.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the entry function when referenced by its mangled name.
RUN: lld-link -machine:arm64ec -dll -out:mangled-entry2.dll mangled-func.obj loadconfig-arm64ec.obj "-entry:#func"
RUN: llvm-objdump -d mangled-entry2.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the demangled exported function.
RUN: lld-link -machine:arm64ec -dll -out:demangled-export.dll demangled-func.obj \
RUN:          loadconfig-arm64ec.obj -noentry -export:func
RUN: llvm-objdump -d demangled-export.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled exported function when referenced by its demangled name.
RUN: lld-link -machine:arm64ec -dll -out:mangled-export.dll mangled-func.obj \
RUN:          loadconfig-arm64ec.obj -noentry -export:func
RUN: llvm-objdump -d mangled-export.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled exported function when referenced by its mangled name.
RUN: lld-link -machine:arm64ec -dll -out:mangled-export2.dll mangled-func.obj \
RUN:          loadconfig-arm64ec.obj -noentry "-export:#func"
RUN: llvm-objdump -d mangled-export2.dll | FileCheck -check-prefix=DISASM %s

Verify that the linker recognizes the mangled exported function when referenced
by its mangled name and creates a demangled alias for it.
RUN: lld-link -machine:arm64ec -dll -noentry -out:demangled-export-ref.dll mangled-func.obj \
RUN:          ref-demangled.obj loadconfig-arm64ec.obj "-export:#func"
RUN: llvm-objdump -d demangled-export-ref.dll | FileCheck -check-prefix=DISASM %s

Verify that an x86_64 object file can reference ARM64EC mangled functions without requiring an explicit alias.
RUN: lld-link -machine:arm64ec -dll -noentry -out:x64-ref.dll mangled-func.obj ref-x64.obj loadconfig-arm64ec.obj
RUN: llvm-objdump -d x64-ref.dll | FileCheck -check-prefix=DISASM2 %s

Verify that an x86_64 object file can reference ARM64EC mangled functions provided by a library.
RUN: lld-link -machine:arm64ec -dll -noentry -out:x64-lib-ref.dll func.lib ref-x64.obj loadconfig-arm64ec.obj
RUN: llvm-objdump -d x64-lib-ref.dll | FileCheck -check-prefix=DISASM2 %s

DISASM2:      0000000180001000 <.text>:
DISASM2-NEXT: 180001000: d65f03c0     ret

Verify that the linker emits appropriate errors for mismatched mangling.
RUN: not lld-link -machine:arm64ec -dll -out:test.dll demangled-func.obj loadconfig-arm64ec.obj \
RUN:              "-entry:#func" 2>&1 | FileCheck -check-prefix=FUNC-NOT-FOUND %s
RUN: not lld-link -machine:arm64ec -dll -out:test.dll demangled-func.obj loadconfig-arm64ec.obj \
RUN:              -noentry "-export:#func" 2>&1 | FileCheck -check-prefix=FUNC-NOT-FOUND %s
FUNC-NOT-FOUND: undefined symbol: #func (EC symbol)

Verify that the linker recognizes the demangled x86_64 _DllMainCRTStartup.
RUN: lld-link -machine:arm64ec -dll -out:test.dll x64-dll-main.obj loadconfig-arm64ec.obj
RUN: llvm-objdump -d test.dll | FileCheck -check-prefix=DISASM-X64 %s
DISASM-X64:      0000000180001000 <.text>:
DISASM-X64-NEXT: 180001000: c3                           retq

#--- demangled-dll-main.s
    .text
    .globl _DllMainCRTStartup
_DllMainCRTStartup:
    ret

#--- mangled-dll-main.s
    .text
    .globl "#_DllMainCRTStartup"
"#_DllMainCRTStartup":
    ret

#--- demangled-func.s
    .text
    .globl func
func:
    ret

#--- mangled-func.s
    .text
    .globl "#func"
"#func":
    ret

#--- ref-demangled.s
    .data
    .rva func

#--- demangled-entry-drectve.s
	.section .drectve,"rd"
	.ascii " -entry:func"