derek.holloway
7502bf64a4
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59 lines
1.8 KiB
Plaintext
59 lines
1.8 KiB
Plaintext
REQUIRES: x86
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RUN: split-file %s %t.dir && cd %t.dir
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RUN: llvm-mc -filetype=obj -triple=i386-windows a.s -o a.obj
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RUN: llvm-mc -filetype=obj -triple=i386-windows b1.s -o b1.obj
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RUN: llvm-mc -filetype=obj -triple=i386-windows b2.s -o b2.obj
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### This is the line where our problem occurs. Here, we export the DllMain symbol which shouldn't happen normally.
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RUN: lld-link b1.obj b2.obj -out:b.dll -dll -implib:b.lib -entry:DllMain -export:bar -export:DllMain -safeseh:no
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RUN: llvm-mc -filetype=obj -triple=i386-windows c.s -o c.obj
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RUN: lld-link -lib c.obj -out:c.lib
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### Later, if b.lib is provided before other libs/objs that export DllMain statically, we previously were using the dllimported DllMain from b.lib, which is wrong.
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RUN: lld-link a.obj b.lib c.lib -dll -out:out.dll -entry:DllMain -safeseh:no 2>&1 | FileCheck -check-prefix=WARN %s
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RUN: lld-link a.obj b.lib c.lib -dll -out:out.dll -entry:DllMain -ignore:importeddllmain -safeseh:no 2>&1 | FileCheck -check-prefix=IGNORED --allow-empty %s
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RUN: llvm-objdump --private-headers -d out.dll | FileCheck -check-prefix=DISASM %s
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WARN: lld-link: warning: b.lib: skipping imported DllMain symbol [importeddllmain]
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IGNORED-NOT: lld-link: warning: b.lib: skipping imported DllMain symbol [importeddllmain]
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DISASM: The Import Tables:
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DISASM: DLL Name: b.dll
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DISASM-NOT: DllMain
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DISASM: bar
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DISASM: Disassembly of section .text:
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DISASM: b0 01 movb $0x1, %al
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DISASM-NEXT: c3 retl
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#--- a.s
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.text
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.globl _foo
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_foo:
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call *__imp__bar
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ret
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#--- b1.s
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.text
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.globl _bar
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_bar:
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ret
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#--- b2.s
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.intel_syntax noprefix
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.text
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.globl _DllMain
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_DllMain:
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xor al, al
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ret
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#--- c.s
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.intel_syntax noprefix
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.text
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.globl _DllMain
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_DllMain:
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mov al, 1
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ret
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