llvm-project/lldb/lit/Modules/ELF/gnu-debuglink.yaml
Pavel Labath 001ecbde11 SymbolVendorELF: Perform build-id lookup even without a debug link
Summary:
The debug link and build-id lookups are two independent ways one can
search for a separate symbol file. However, our implementation in
SymbolVendorELF was tying the two together and refusing to look up the
symbol file based on a build id if the file did not contain a debug
link.

This patch makes it possible to search for the symbol file with
just one of the two methods available. To demonstrate, I split the
build-id-case test into two, so that we test the search using both
methods.

Reviewers: jankratochvil, mgorny, clayborg, espindola, alexshap

Subscribers: emaste, arichardson, MaskRay, lldb-commits

Differential Revision: https://reviews.llvm.org/D65561

llvm-svn: 367994
2019-08-06 08:18:39 +00:00

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YAML

# RUN: yaml2obj %s > %t
# RUN: llvm-objcopy --strip-all --add-gnu-debuglink=%t %t %t.stripped
# RUN: lldb-test object-file %t.stripped | FileCheck %s
# CHECK: Name: .debug_frame
# CHECK-NEXT: Type: dwarf-frame
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Entry: 0x00000000004003D0
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Address: 0x00000000004003D0
AddressAlign: 0x0000000000000010
Content: DEADBEEFBAADF00D
- Name: .debug_frame
Type: SHT_PROGBITS
AddressAlign: 0x0000000000000008
Content: DEADBEEFBAADF00D
Symbols:
- Name: main
Type: STT_FUNC
Section: .text
Value: 0x00000000004003D0
Size: 0x0000000000000008
...