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3abe0b3ab9
Summary:
This patch implements two note parsers; one for NT_FILE coredumps, e.g.:
```
CORE 0x00000080 NT_FILE (mapped files)
Page size: 4096
Start End Page Offset
0x0000000000001000 0x0000000000002000 0x0000000000003000
/path/to/a.out
0x0000000000004000 0x0000000000005000 0x0000000000006000
/path/to/libc.so
0x0000000000007000 0x0000000000008000 0x0000000000009000
[stack]
```
(A more realistic example can be tested locally by creating a crashing program and running `llvm-readelf -n core`)
And also implements a raw hex dump for unknown descriptor data for unhandled descriptor types.
Reviewers: MaskRay, jhenderson, grimar, alexshap
Reviewed By: MaskRay, grimar
Subscribers: emaste, llvm-commits, labath
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D65832
llvm-svn: 368698
84 lines
2.8 KiB
ArmAsm
84 lines
2.8 KiB
ArmAsm
// REQUIRES: x86-registered-target
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// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t.o
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// RUN: llvm-readobj --notes %t.o | FileCheck %s --check-prefix=LLVM
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// RUN: llvm-readelf --notes %t.o | FileCheck %s --check-prefix=GNU
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// GNU: Displaying notes found
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// GNU-NEXT: Owner Data size Description
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// GNU-NEXT: FreeBSD 0x00000000 NT_THRMISC (thrmisc structure)
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// GNU-NEXT: FreeBSD 0x00000000 NT_PROCSTAT_PROC (proc data)
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// GNU-NEXT: Displaying notes found
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// GNU-NEXT: Owner Data size Description
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// GNU-NEXT: FreeBSD 0x00000000 NT_PROCSTAT_FILES (files data)
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// GNU-NEXT: Displaying notes found
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// GNU-NEXT: Owner Data size Description
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// GNU-NEXT: FreeBSD 0x0000001c Unknown note type (0x00000003)
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// GNU-NEXT: description data: 4c 6f 72 65 6d 20 69 70 73 75 6d 20 64 6f 6c 6f 72 20 73 69 74 20 61 6d 65 74 00 00
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// LLVM: Notes [
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// LLVM-NEXT: NoteSection {
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// LLVM-NEXT: Offset:
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// LLVM-NEXT: Size:
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// LLVM-NEXT: Note {
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// LLVM-NEXT: Owner: FreeBSD
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// LLVM-NEXT: Data size: 0x0
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// LLVM-NEXT: Type: NT_THRMISC (thrmisc structure)
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// LLVM-NEXT: }
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// LLVM-NEXT: Note {
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// LLVM-NEXT: Owner: FreeBSD
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// LLVM-NEXT: Data size: 0x0
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// LLVM-NEXT: Type: NT_PROCSTAT_PROC (proc data)
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// LLVM-NEXT: }
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// LLVM-NEXT: }
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// LLVM-NEXT: NoteSection {
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// LLVM-NEXT: Offset: 0x68
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// LLVM-NEXT: Size: 0x14
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// LLVM-NEXT: Note {
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// LLVM-NEXT: Owner: FreeBSD
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// LLVM-NEXT: Data size: 0x0
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// LLVM-NEXT: Type: NT_PROCSTAT_FILES (files data)
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// LLVM-NEXT: }
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// LLVM-NEXT: }
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// LLVM-NEXT: NoteSection {
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// LLVM-NEXT: Offset: 0x7C
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// LLVM-NEXT: Size: 0x30
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// LLVM-NEXT: Note {
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// LLVM-NEXT: Owner: FreeBSD
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// LLVM-NEXT: Data size: 0x1C
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// LLVM-NEXT: Type: Unknown note type (0x00000003)
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// LLVM-NEXT: Description data (
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// LLVM-NEXT: 0000: 4C6F7265 6D206970 73756D20 646F6C6F |Lorem ipsum dolo|
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// LLVM-NEXT: 0010: 72207369 7420616D 65740000 |r sit amet..|
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// LLVM-NEXT: )
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// LLVM-NEXT: }
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// LLVM-NEXT: }
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// LLVM-NEXT: ]
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.section ".note.foo", "a"
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.align 4
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.long 8 /* namesz */
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.long 0 /* descsz */
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.long 7 /* type = NT_FREEBSD_THRMISC */
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.asciz "FreeBSD"
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.long 8 /* namesz */
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.long 0 /* descsz */
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.long 8 /* type = NT_FREEBSD_PROC */
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.asciz "FreeBSD"
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.section ".note.bar", "a"
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.align 4
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.long 8 /* namesz */
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.long 0 /* descsz */
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.long 9 /* type = NT_FREEBSD_FILES */
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.asciz "FreeBSD"
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.section ".note.baz", "a"
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.align 4
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.long 8 /* namesz */
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.long end - begin /* descsz */
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.long 3 /* type */
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.asciz "FreeBSD"
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begin:
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.asciz "Lorem ipsum dolor sit amet"
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.align 4
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end:
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