1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
| ; REQUIRES: x86
; Set up an import library for a DLL that will do the indirect call.
; RUN: echo -e 'LIBRARY library\nEXPORTS\n do_indirect_call\n' > %t.def
; RUN: lld-link -lib -def:%t.def -out:%t.lib -machine:x64
; Generate an object that will have the load configuration normally provided by
; the CRT.
; RUN: llvm-mc -triple x86_64-windows-msvc -filetype=obj %S/Inputs/loadconfig-cfg-x64.s -o %t.ldcfg.obj
; RUN: llvm-as %s -o %t.bc
; RUN: lld-link -entry:main -guard:cf -dll %t.bc %t.lib %t.ldcfg.obj -out:%t.dll
; RUN: llvm-readobj --coff-load-config %t.dll | FileCheck %s
; There must be *two* entries in the table: DLL entry point, and my_handler.
; CHECK: LoadConfig [
; CHECK: GuardCFFunctionTable: 0x{{[^0].*}}
; CHECK-NEXT: GuardCFFunctionCount: 2
; CHECK-NEXT: GuardFlags: 0x10500
; CHECK: ]
; CHECK: GuardFidTable [
; CHECK-NEXT: 0x180{{.*}}
; CHECK-NEXT: 0x180{{.*}}
; CHECK-NEXT: ]
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.12.25835"
declare dllimport void @do_indirect_call(void ()*)
define dso_local i32 @main() local_unnamed_addr {
entry:
tail call void @do_indirect_call(void ()* nonnull @my_handler)
ret i32 0
}
define dso_local void @my_handler() {
entry:
ret void
}
|