50 lines
1.7 KiB
ArmAsm
50 lines
1.7 KiB
ArmAsm
// RUN: llvm-mc -triple x86_64-apple-macos10.6 -filetype=obj %s -o %t.o
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// RUN: llvm-objdump --macho --unwind-info --dwarf=frames %t.o | FileCheck %s
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/// For functions whose unwind info cannot be encoded with compact unwind, make
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/// sure that we encode them using DWARF unwind, and make sure we emit a compact
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/// unwind entry that indicates that a DWARF encoding is being used.
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_f:
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.cfi_startproc
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## This encodes DW_CFA_GNU_args_size which cannot be expressed using compact
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## unwind, so we must use DWARF unwind instead.
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.cfi_escape 0x2e, 0x10
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ret
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.cfi_endproc
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_g:
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.cfi_startproc
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## This encodes DW_CFA_GNU_args_size which cannot be expressed using compact
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## unwind, so we must use DWARF unwind instead.
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.cfi_escape 0x2e, 0x10
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ret
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.cfi_endproc
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// CHECK: Contents of __compact_unwind section:
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// CHECK: Entry at offset 0x0:
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// CHECK: start: 0x[[#%x,F:]] _f
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// CHECK: length: 0x1
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// CHECK: compact encoding: 0x04000000
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// CHECK: Entry at offset 0x20:
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// CHECK: start: 0x[[#%x,G:]] _g
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// CHECK: length: 0x1
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// CHECK: compact encoding: 0x04000000
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// CHECK: .eh_frame contents:
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// CHECK: 00000000 00000014 00000000 CIE
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// CHECK: Format: DWARF32
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// CHECK: Version: 1
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// CHECK: Augmentation: "zR"
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// CHECK: Code alignment factor: 1
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// CHECK: Data alignment factor: -8
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// CHECK: Return address column: 16
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// CHECK: Augmentation data: 10
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// CHECK: FDE cie=00000000 pc=[[#%.8x,F]]...
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// CHECK: Format: DWARF32
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// CHECK: DW_CFA_GNU_args_size: +16
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// CHECK: FDE cie=00000000 pc=[[#%.8x,G]]...
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// CHECK: Format: DWARF32
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// CHECK: DW_CFA_GNU_args_size: +16
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