| // This tests that default-null weak symbols (a GNU extension) are created |
| // properly via the .weak directive. |
| |
| // RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj -t | FileCheck %s |
| // RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj -t | FileCheck %s |
| |
| .def _main; |
| .scl 2; |
| .type 32; |
| .endef |
| .text |
| .globl _main |
| .align 16, 0x90 |
| _main: # @main |
| # %bb.0: # %entry |
| subl $4, %esp |
| movl $_test_weak, %eax |
| testl %eax, %eax |
| je LBB0_2 |
| # %bb.1: # %if.then |
| call _test_weak |
| movl $1, %eax |
| addl $4, %esp |
| ret |
| LBB0_2: # %return |
| xorl %eax, %eax |
| addl $4, %esp |
| ret |
| |
| .weak _test_weak |
| |
| .weak _test_weak_alias |
| _test_weak_alias=_main |
| |
| // CHECK: Symbols [ |
| |
| // CHECK: Symbol { |
| // CHECK: Name: _main |
| // CHECK-NEXT: Value: 0 |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: BaseType: Null |
| // CHECK-NEXT: ComplexType: Function |
| // CHECK-NEXT: StorageClass: External |
| // CHECK-NEXT: AuxSymbolCount: 0 |
| // CHECK-NEXT: } |
| |
| // CHECK: Symbol { |
| // CHECK: Name: _test_weak |
| // CHECK-NEXT: Value: 0 |
| // CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0) |
| // CHECK-NEXT: BaseType: Null |
| // CHECK-NEXT: ComplexType: Null |
| // CHECK-NEXT: StorageClass: WeakExternal |
| // CHECK-NEXT: AuxSymbolCount: 1 |
| // CHECK-NEXT: AuxWeakExternal { |
| // CHECK-NEXT: Linked: .weak._test_weak.default |
| // CHECK-NEXT: Search: Library |
| // CHECK-NEXT: } |
| // CHECK-NEXT: } |
| |
| // CHECK: Symbol { |
| // CHECK: Name: .weak._test_weak.default |
| // CHECK-NEXT: Value: 0 |
| // CHECK-NEXT: Section: IMAGE_SYM_ABSOLUTE (-1) |
| // CHECK-NEXT: BaseType: Null |
| // CHECK-NEXT: ComplexType: Null |
| // CHECK-NEXT: StorageClass: External |
| // CHECK-NEXT: AuxSymbolCount: 0 |
| // CHECK-NEXT: } |
| |
| // CHECK: Symbol { |
| // CHECK: Name: _test_weak_alias |
| // CHECK-NEXT: Value: 0 |
| // CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0) |
| // CHECK-NEXT: BaseType: Null |
| // CHECK-NEXT: ComplexType: Null |
| // CHECK-NEXT: StorageClass: WeakExternal |
| // CHECK-NEXT: AuxSymbolCount: 1 |
| // CHECK-NEXT: AuxWeakExternal { |
| // CHECK-NEXT: Linked: .weak._test_weak_alias.default |
| // CHECK-NEXT: Search: Library |
| // CHECK-NEXT: } |
| // CHECK-NEXT: } |
| |
| // CHECK: Symbol { |
| // CHECK: Name: .weak._test_weak_alias.default |
| // CHECK-NEXT: Value: 0 |
| // CHECK-NEXT: Section: .text |
| // CHECK-NEXT: BaseType: Null |
| // CHECK-NEXT: ComplexType: Null |
| // CHECK-NEXT: StorageClass: External |
| // CHECK-NEXT: AuxSymbolCount: 0 |
| // CHECK-NEXT: } |
