guardcf-thunk.s
1.15 KB
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# REQUIRES: x86
# Make a DLL that exports exportfn1.
# RUN: yaml2obj < %p/Inputs/export.yaml > %t.obj
# RUN: lld-link /out:%t.dll /dll %t.obj /export:exportfn1 /implib:%t.lib
# Make an obj that takes the address of that exported function.
# RUN: llvm-mc -filetype=obj -triple=x86_64-windows-msvc %s -o %t2.obj
# RUN: lld-link -entry:main -guard:cf %t2.obj %t.lib -nodefaultlib -out:%t.exe
# RUN: llvm-readobj --coff-load-config %t.exe | FileCheck %s
# Check that the gfids table contains *exactly* two entries, one for exportfn1
# and one for main.
# CHECK: GuardFidTable [
# CHECK-NEXT: 0x{{[0-9A-Fa-f]+0$}}
# CHECK-NEXT: 0x{{[0-9A-Fa-f]+0$}}
# CHECK-NEXT: ]
.def @feat.00;
.scl 3;
.type 0;
.endef
.globl @feat.00
@feat.00 = 0x001
.section .text,"rx"
.def main; .scl 2; .type 32; .endef
.global main
main:
leaq exportfn1(%rip), %rax
retq
.section .rdata,"dr"
.globl _load_config_used
_load_config_used:
.long 256
.fill 124, 1, 0
.quad __guard_fids_table
.quad __guard_fids_count
.long __guard_flags
.fill 128, 1, 0