forked from OSchip/llvm-project
145 lines
4.0 KiB
ArmAsm
145 lines
4.0 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared.s -o %t3.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared2.s -o %t4.o
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# RUN: ld.lld -shared %t2.o -o %t2.so
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# RUN: ld.lld -shared %t3.o -o %t3.so
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# RUN: ld.lld -shared %t4.o -o %t4.so
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
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# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t %t.o --as-needed %t2.so %t3.so %t4.so
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# RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck %s
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# This test the property that we have a needed line for every undefined.
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# It would also be OK to keep bar2 and the need for %t2.so
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# At the same time, weak symbols should not cause adding DT_NEEDED;
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# this case is checked with symbol qux and %t4.so.
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# CHECK: DynamicSymbols [
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name:
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# CHECK-NEXT: Value:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Binding: Local
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# CHECK-NEXT: Type:
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# CHECK-NEXT: Other:
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# CHECK-NEXT: Section: Undefined (0x0)
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: bar
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# CHECK-NEXT: Value:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Binding: Global
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# CHECK-NEXT: Type:
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# CHECK-NEXT: Other:
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# CHECK-NEXT: Section: .text
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: baz
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# CHECK-NEXT: Value:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Binding: Global
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# CHECK-NEXT: Type:
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# CHECK-NEXT: Other:
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# CHECK-NEXT: Section: Undefined
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: foo
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# CHECK-NEXT: Value:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Binding: Global
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# CHECK-NEXT: Type:
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# CHECK-NEXT: Other:
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# CHECK-NEXT: Section: .text
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: qux
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# CHECK-NEXT: Value:
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# CHECK-NEXT: Size:
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# CHECK-NEXT: Binding: Weak
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# CHECK-NEXT: Type:
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# CHECK-NEXT: Other:
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# CHECK-NEXT: Section: Undefined
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# CHECK-NOT: NEEDED
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# CHECK: NEEDED Shared library: [{{.*}}3.so]
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# CHECK-NOT: NEEDED
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# Test with %t.o at the end too.
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# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t --as-needed %t2.so %t3.so %t4.so %t.o
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# RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck --check-prefix=CHECK2 %s
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# CHECK2: DynamicSymbols [
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name:
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# CHECK2-NEXT: Value:
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# CHECK2-NEXT: Size:
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# CHECK2-NEXT: Binding: Local
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# CHECK2-NEXT: Type:
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# CHECK2-NEXT: Other:
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# CHECK2-NEXT: Section: Undefined (0x0)
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: bar
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# CHECK2-NEXT: Value:
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# CHECK2-NEXT: Size:
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# CHECK2-NEXT: Binding: Global
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# CHECK2-NEXT: Type:
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# CHECK2-NEXT: Other:
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# CHECK2-NEXT: Section: .text
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: baz
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# CHECK2-NEXT: Value:
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# CHECK2-NEXT: Size:
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# CHECK2-NEXT: Binding: Global
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# CHECK2-NEXT: Type:
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# CHECK2-NEXT: Other:
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# CHECK2-NEXT: Section: Undefined
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: qux
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# CHECK2-NEXT: Value:
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# CHECK2-NEXT: Size:
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# CHECK2-NEXT: Binding: Weak
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# CHECK2-NEXT: Type:
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# CHECK2-NEXT: Other:
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# CHECK2-NEXT: Section: Undefined
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# CHECK2-NEXT: }
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# CHECK2-NEXT: Symbol {
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# CHECK2-NEXT: Name: foo
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# CHECK2-NEXT: Value:
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# CHECK2-NEXT: Size:
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# CHECK2-NEXT: Binding: Global
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# CHECK2-NEXT: Type:
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# CHECK2-NEXT: Other:
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# CHECK2-NEXT: Section: .text
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# CHECK2-NEXT: }
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# CHECK2-NEXT: ]
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# CHECK2-NOT: NEEDED
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# CHECK2: NEEDED Shared library: [{{.*}}3.so]
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# CHECK2-NOT: NEEDED
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.section .text.foo, "ax"
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.globl foo
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foo:
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.long bar - .
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.section .text.bar, "ax"
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.globl bar
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bar:
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ret
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.section .text._start, "ax"
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.globl _start
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.weak qux
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_start:
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.long baz - .
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.long qux - .
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ret
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.section .text.unused, "ax"
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.long bar2 - .
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