llvm-project
64 строки · 1.5 Кб
1# REQUIRES: x86
2
3## Test creating a DLL and linking against the DLL without using an import
4## library.
5
6## Test on i386 with cdecl decorated symbols.
7
8## Linking the executable with -opt:noref, to make sure that we don't
9## pull in more import entries than what's needed, even if not running GC.
10
11# RUN: split-file %s %t.dir
12
13# RUN: llvm-mc -filetype=obj -triple=i386-windows-gnu %t.dir/lib.s -o %t.lib.o
14# RUN: lld-link -safeseh:no -noentry -dll -def:%t.dir/lib.def %t.lib.o -out:%t.lib.dll -implib:%t.implib.lib
15# RUN: llvm-mc -filetype=obj -triple=i386-windows-gnu %t.dir/main.s -o %t.main.o
16# RUN: lld-link -lldmingw %t.main.o -out:%t.main.exe %t.lib.dll -opt:noref -verbose 2>&1 | FileCheck --check-prefix=LOG %s
17# RUN: llvm-readobj --coff-imports %t.main.exe | FileCheck %s
18
19#--- lib.s
20.text
21.global _func1
22_func1:
23ret
24.global _func2
25_func2:
26ret
27.global _func3
28_func3:
29ret
30.data
31.global _variable
32_variable:
33.int 42
34
35#--- lib.def
36EXPORTS
37func1
38func2
39func3
40variable
41
42#--- main.s
43.text
44.global _mainCRTStartup
45_mainCRTStartup:
46call _func2
47movl .refptr._variable, %eax
48movl (%eax), %eax
49ret
50
51.section .rdata$.refptr._variable,"dr",discard,.refptr._variable
52.globl .refptr._variable
53.refptr._variable:
54.long _variable
55
56# CHECK: Import {
57# CHECK-NEXT: Name: link-dll-i386.s.tmp.lib.dll
58# CHECK-NEXT: ImportLookupTableRVA:
59# CHECK-NEXT: ImportAddressTableRVA
60# CHECK-NEXT: Symbol: func2
61# CHECK-NEXT: Symbol: variable
62# CHECK-NEXT: }
63
64# LOG: Automatically importing _variable from link-dll-i386.s.tmp.lib.dll
65