blob: 6c51f7aca820761074de9fe8439510e22d8336bb [file] [log] [blame]
# REQUIRES: x86
# RUN: llvm-mc -triple i686-pc-win32 %s -filetype=obj -o %t.obj
# RUN: lld-link -safeseh:no %t.obj -guard:cf -out:%t.exe -entry:main
# RUN: llvm-readobj --coff-load-config %t.exe | FileCheck %s --check-prefix=CHECK
# Only f and _main should go in the table.
# (use /lldmap:map.txt to check their addresses).
#
# CHECK: GuardFidTable [
# CHECK-NEXT: 0x401000
# CHECK-NEXT: 0x401030
# CHECK-NEXT: ]
# The input was loosly based on studying this program:
#
# void foo() { return; }
# void bar() { return; }
# int main() {
# foo();
# void (*arr[])() = { &bar };
# (*arr[0])();
# return 0;
# }
# cl /c a.cc && dumpbin /disasm a.obj > a.txt &&
# link a.obj /guard:cf /map:map.txt && dumpbin /loadconfig a.exe
.def f;
.scl 3;
.type 32;
.endef
.section .text,"xr",one_only,f
.p2align 4
f: movl $1, %eax
ret
.def g;
.scl 3;
.type 32;
.endef
.section .text,"xr",one_only,g
.p2align 4
g: movl $2, %eax
ret
.def label;
.scl 6; # StorageClass: Label
.type 0; # Type: Not a function.
.endef
.section .text,"xr",one_only,label
.p2align 4
label: ret
.data
.globl fp
.p2align 4
fp: .long f # DIR32 relocation to function
.long label # DIR32 relocation to label
.def _main;
.scl 2;
.type 32;
.endef
.section .text,"xr",one_only,_main
.globl _main
.p2align 4
_main: call *fp # DIR32 relocation to data
call g # REL32 relocation to function
ret
# Load configuration directory entry (winnt.h _IMAGE_LOAD_CONFIG_DIRECTORY32).
# The linker will define the ___guard_* symbols.
.section .rdata,"dr"
.globl __load_config_used
__load_config_used:
.long 104 # Size.
.fill 76, 1, 0
.long ___guard_fids_table
.long ___guard_fids_count
.long ___guard_flags
.fill 12, 1, 0