93 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			2.6 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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| 
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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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| 
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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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| 
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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: 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:   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: ]
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| 
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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=CHECK %s
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| 
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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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| 
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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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| 
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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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| 
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| .section .text.unused, "ax"
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| .long bar2 - .
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