derek.holloway
7502bf64a4
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105 lines
2.6 KiB
ArmAsm
105 lines
2.6 KiB
ArmAsm
# REQUIRES: x86
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# Tests to verify that
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# - the folded CUEs covered up to the last entries, even if they were removed/folded.
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# - only entries that *should* be in eh_frame are actually included. (**)
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# (**) This is where LD64 does differently.
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/fold-tail.s -o %t/fold-tail.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/cues-range-gap.s -o %t/cues-range-gap.o
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# RUN: %lld -o %t/fold-tail.out %t/fold-tail.o
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# RUN: llvm-objdump --macho --syms --unwind-info %t/fold-tail.out | FileCheck %s
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# RUN: %lld -o %t/cues-range-gap.out %t/cues-range-gap.o
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# CHECK-LABEL: SYMBOL TABLE:
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# CHECK: [[#%x,A_ADDR:]] l F __TEXT,__text _a
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# CHECK: [[#%x,B_ADDR:]] l F __TEXT,__text _b
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# CHECK: [[#%x,C_ADDR:]] l F __TEXT,__text _c
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# CHECK: [[#%x,D_ADDR:]] l F __TEXT,__text _d
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# CHECK: [[#%x,MAIN_ADDR:]] g F __TEXT,__text _main
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## Check that [1] offset starts at c's address + 3 (its length).
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# CHECK-LABEL: Contents of __unwind_info section:
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# CHECK: Top level indices: (count = 2)
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# CHECK-NEXT : [0]: function offset=[[#%#.7x,MAIN_ADDR]]
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# CHECK-NEXT : [1]: function offset=[[#%#.7x,C_ADDR + 3]]
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#--- fold-tail.s
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.text
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.globl _main
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.p2align 4, 0x90
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_main:
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.cfi_startproc
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callq _a
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retq
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.cfi_endproc
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.p2align 4, 0x90
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_a:
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.cfi_startproc
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callq _b
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retq
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.cfi_endproc
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.p2align 4, 0x90
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_b:
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.cfi_startproc
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callq _c
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retq
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.cfi_endproc
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.p2align 4, 0x90
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_c:
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.cfi_startproc
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retq
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.cfi_endproc
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// _d should NOT have an entry in .eh_frame
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// So it shouldn't be covered by the unwind table.
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_d:
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xorl %eax, %eax
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ret
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.subsections_via_symbols
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#--- cues-range-gap.s
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.text
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.globl _main
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.p2align 4, 0x90
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_main:
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.cfi_startproc
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callq _a
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retq
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.cfi_endproc
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.p2align 4, 0x90
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_a:
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.cfi_startproc
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callq _b
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retq
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.cfi_endproc
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// _d is intentionally placed in between the symbols with eh_frame entries.
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// but _d should NOT have an entry in .eh_frame
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// So it shouldn't be covered by the unwind table.
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_d:
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xorl %eax, %eax
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ret
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.p2align 4, 0x90
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_b:
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.cfi_startproc
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callq _c
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retq
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.cfi_endproc
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.p2align 4, 0x90
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_c:
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.cfi_startproc
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retq
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.cfi_endproc
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.subsections_via_symbols
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