1 // This tests that default-null weak symbols (a GNU extension) are created 2 // properly via the .weak directive. 3 4 // RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj -t | FileCheck %s 5 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj -t | FileCheck %s 6 7 .def _main; 8 .scl 2; 9 .type 32; 10 .endef 11 .text 12 .globl _main 13 .align 16, 0x90 14 _main: # @main 15 # BB#0: # %entry 16 subl $4, %esp 17 movl $_test_weak, %eax 18 testl %eax, %eax 19 je LBB0_2 20 # BB#1: # %if.then 21 call _test_weak 22 movl $1, %eax 23 addl $4, %esp 24 ret 25 LBB0_2: # %return 26 xorl %eax, %eax 27 addl $4, %esp 28 ret 29 30 .weak _test_weak 31 32 .weak _test_weak_alias 33 _test_weak_alias=_main 34 35 // CHECK: Symbols [ 36 37 // CHECK: Symbol { 38 // CHECK: Name: _test_weak 39 // CHECK-NEXT: Value: 0 40 // CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0) 41 // CHECK-NEXT: BaseType: Null 42 // CHECK-NEXT: ComplexType: Null 43 // CHECK-NEXT: StorageClass: WeakExternal 44 // CHECK-NEXT: AuxSymbolCount: 1 45 // CHECK-NEXT: AuxWeakExternal { 46 // CHECK-NEXT: Linked: .weak._test_weak.default 47 // CHECK-NEXT: Search: Library 48 // CHECK-NEXT: } 49 // CHECK-NEXT: } 50 51 // CHECK: Symbol { 52 // CHECK: Name: .weak._test_weak.default 53 // CHECK-NEXT: Value: 0 54 // CHECK-NEXT: Section: IMAGE_SYM_ABSOLUTE (-1) 55 // CHECK-NEXT: BaseType: Null 56 // CHECK-NEXT: ComplexType: Null 57 // CHECK-NEXT: StorageClass: External 58 // CHECK-NEXT: AuxSymbolCount: 0 59 // CHECK-NEXT: } 60 61 // CHECK: Symbol { 62 // CHECK: Name: _test_weak_alias 63 // CHECK-NEXT: Value: 0 64 // CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0) 65 // CHECK-NEXT: BaseType: Null 66 // CHECK-NEXT: ComplexType: Null 67 // CHECK-NEXT: StorageClass: WeakExternal 68 // CHECK-NEXT: AuxSymbolCount: 1 69 // CHECK-NEXT: AuxWeakExternal { 70 // CHECK-NEXT: Linked: _main 71 // CHECK-NEXT: Search: Library 72 // CHECK-NEXT: } 73 // CHECK-NEXT: } 74
