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113 lines
3.3 KiB
113 lines
3.3 KiB
// This tests that default-null weak symbols (a GNU extension) are created
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// properly via the .weak directive.
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// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s
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// RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s
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.def _main;
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.scl 2;
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.type 32;
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.endef
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.text
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.globl _main
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.align 16, 0x90
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_main: # @main
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# %bb.0: # %entry
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subl $4, %esp
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movl $_test_weak, %eax
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testl %eax, %eax
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je LBB0_2
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# %bb.1: # %if.then
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call _test_weak
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movl $1, %eax
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addl $4, %esp
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ret
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LBB0_2: # %return
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xorl %eax, %eax
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addl $4, %esp
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ret
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.weak _test_weak
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.weak _test_weak_alias
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_test_weak_alias=_main
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.weak weakfunc
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.globl weakfunc
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weakfunc:
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ret
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// CHECK: Symbols [
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// CHECK: Symbol {
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// CHECK: Name: _main
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Function
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// CHECK-NEXT: StorageClass: External
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// CHECK-NEXT: AuxSymbolCount: 0
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: _test_weak
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Null
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// CHECK-NEXT: StorageClass: WeakExternal
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// CHECK-NEXT: AuxSymbolCount: 1
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// CHECK-NEXT: AuxWeakExternal {
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// CHECK-NEXT: Linked: .weak._test_weak.default
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// CHECK-NEXT: Search: Alias
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: .weak._test_weak.default._main
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: IMAGE_SYM_ABSOLUTE
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Null
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// CHECK-NEXT: StorageClass: External
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// CHECK-NEXT: AuxSymbolCount: 0
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: _test_weak_alias
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Null
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// CHECK-NEXT: StorageClass: WeakExternal
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// CHECK-NEXT: AuxSymbolCount: 1
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// CHECK-NEXT: AuxWeakExternal {
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// CHECK-NEXT: Linked: _main
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// CHECK-NEXT: Search: Alias
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: weakfunc
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Null
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// CHECK-NEXT: StorageClass: WeakExternal
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// CHECK-NEXT: AuxSymbolCount: 1
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// CHECK-NEXT: AuxWeakExternal {
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// CHECK-NEXT: Linked: .weak.weakfunc.default
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// CHECK-NEXT: Search: Alias
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK: Symbol {
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// CHECK: Name: .weak.weakfunc.default
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// CHECK-NOT: Value: 0
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// CHECK-NOT: Symbol {
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// CHECK: Section: .text
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// CHECK-NEXT: BaseType: Null
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// CHECK-NEXT: ComplexType: Null
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// CHECK-NEXT: StorageClass: External
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// CHECK-NEXT: AuxSymbolCount: 0
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// CHECK-NEXT: }
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