1# REQUIRES: x86
2# RUN: llvm-mc -triple i686-pc-win32 %s -filetype=obj -o %t.obj
3# RUN: lld-link -safeseh:no %t.obj -guard:cf -out:%t.exe -entry:main
4# RUN: llvm-readobj --coff-load-config %t.exe | FileCheck %s --check-prefix=CHECK
5
6# Only f and _main should go in the table.
7# (use /lldmap:map.txt to check their addresses).
8#
9# CHECK: GuardFidTable [
10# CHECK-NEXT: 0x401000
11# CHECK-NEXT: 0x401030
12# CHECK-NEXT: ]
13
14# The input was loosly based on studying this program:
15#
16#  void foo() { return; }
17#  void bar() { return; }
18#  int main() {
19#    foo();
20#    void (*arr[])() = { &bar };
21#    (*arr[0])();
22#    return 0;
23#  }
24# cl /c a.cc && dumpbin /disasm a.obj > a.txt &&
25#   link a.obj /guard:cf /map:map.txt && dumpbin /loadconfig a.exe
26
27
28
29        .def    f;
30        .scl    3;
31        .type   32;
32        .endef
33        .section       .text,"xr",one_only,f
34        .p2align 4
35f:      movl $1, %eax
36        ret
37
38
39        .def    g;
40        .scl    3;
41        .type   32;
42        .endef
43        .section       .text,"xr",one_only,g
44        .p2align 4
45g:      movl $2, %eax
46        ret
47
48
49        .def    label;
50        .scl    6;     # StorageClass: Label
51        .type   0;     # Type: Not a function.
52        .endef
53        .section       .text,"xr",one_only,label
54        .p2align 4
55label:  ret
56
57
58        .data
59        .globl fp
60        .p2align 4
61fp:     .long f        # DIR32 relocation to function
62        .long label    # DIR32 relocation to label
63
64
65        .def    _main;
66        .scl    2;
67        .type   32;
68        .endef
69        .section       .text,"xr",one_only,_main
70        .globl  _main
71        .p2align 4
72_main:  call *fp       # DIR32 relocation to data
73        call g         # REL32 relocation to function
74        ret
75
76
77# Load configuration directory entry (winnt.h _IMAGE_LOAD_CONFIG_DIRECTORY32).
78# The linker will define the ___guard_* symbols.
79        .section .rdata,"dr"
80.globl __load_config_used
81__load_config_used:
82        .long 104  # Size.
83        .fill 76, 1, 0
84        .long ___guard_fids_table
85        .long ___guard_fids_count
86        .long ___guard_flags
87        .fill 12, 1, 0
88