forked from OSchip/llvm-project
68 lines
3.6 KiB
Plaintext
68 lines
3.6 KiB
Plaintext
## Ensure that per-page compact encodings (indexes 127 and greater)
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## appear in the output of llvm-objdump --unwind-info
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## Verify that the common encodings table is full at 0x7f (127) entries.
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##
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## TODO(gkm): The input is a binary object file constructed from a
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## large generated assembler file. For sake of expediency and
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## test-time performance, I am following the unfortunate precedent
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## that MachO test inputs are binary.
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##
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## Non-MachO tests largely use YAML inputs. As I understand it, the
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## rationale is that these MachO tests were written prior to
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## availability of sufficiently-expressive YAML processors.
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##
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## I consider YAML a submoptimal input format. Better would be
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## assembler language inputs convertable to binary via llvm-mc. In
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## the case of this test however, the input is very large and the
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## overhead of llvm-mc is terrible (~10s) on a debug build. Overhead
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## for a release build of llvm-mc is acceptable at ~1s. It would be
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## good if there were a way to prefer an installed version of llvm-mc
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## to process tests in debug build trees when not testing llvm-mc
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## itself.
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# RUN: llvm-objdump --unwind-info %p/Inputs/unwind-info-excess.macho-x86_64 2>/dev/null | FileCheck %s
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# CHECK:Contents of __unwind_info section:
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# CHECK-NEXT: Version: 0x1
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# CHECK-NEXT: Common encodings array section offset: 0x1c
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# CHECK-NEXT: Number of common encodings in array: 0x7f
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# CHECK: Second level indices:
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# CHECK: Second level index[0]: offset in section
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# CHECK: Page encodings: (count = 17)
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# CHECK: encoding[127]: 0x01010003
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# CHECK: encoding[128]: 0x01010002
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# CHECK: encoding[129]: 0x01010001
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# CHECK: encoding[130]: 0x0102001d
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# CHECK: encoding[131]: 0x01020015
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# CHECK: encoding[132]: 0x0102000d
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# CHECK: encoding[133]: 0x0102001c
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# CHECK: encoding[134]: 0x01020014
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# CHECK: encoding[135]: 0x0102000c
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# CHECK: encoding[136]: 0x01020013
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# CHECK: encoding[137]: 0x0102000b
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# CHECK: encoding[138]: 0x01020022
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# CHECK: encoding[139]: 0x0102001a
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# CHECK: encoding[140]: 0x0102000a
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# CHECK: encoding[141]: 0x01020021
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# CHECK: encoding[142]: 0x01020019
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# CHECK: encoding[143]: 0x01020011
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[127]=0x01010003
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[128]=0x01010002
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[129]=0x01010001
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[130]=0x0102001d
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[131]=0x01020015
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[132]=0x0102000d
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[133]=0x0102001c
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[134]=0x01020014
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[135]=0x0102000c
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[136]=0x01020013
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[137]=0x0102000b
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[138]=0x01020022
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[139]=0x0102001a
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[140]=0x0102000a
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[141]=0x01020021
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[142]=0x01020019
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# CHECK: [{{[0-9]+}}]: function offset={{[x0-9a-f]+}}, encoding[143]=0x01020011
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