History log of /llvm-project/llvm/test/DebugInfo/X86/symbolize_function_start_v5.s (Results 1 – 2 of 2)
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# 3329cec2 12-Aug-2022 Fangrui Song <i@maskray.me>

[DebugInfo] Don't join DW_AT_comp_dir and directories[0] for DWARF v5 line tables

DWARF v5 6.2.4 The Line Number Program Header says:

> The first entry is the current directory of the compilation.

[DebugInfo] Don't join DW_AT_comp_dir and directories[0] for DWARF v5 line tables

DWARF v5 6.2.4 The Line Number Program Header says:

> The first entry is the current directory of the compilation. Each additional
> path entry is either a full path name or is relative to the current directory of
> the compilation.

When forming a path, relative DW_AT_comp_dir and directories[0] are not supposed
to be joined together. Fix getFileNameByIndex to special case DWARF v5 DirIdx == 0.

Reviewed By: #debug-info, dblaikie

Differential Revision: https://reviews.llvm.org/D131804

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Revision tags: llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1
# 7cdd2623 04-Nov-2021 David Blaikie <dblaikie@gmail.com>

DebugInfo: Fix incorrect line table lookup when resolving decl_file from a split unit

Specifically in DWARFv5 the unit for the line table entry was correct
but the context was incorrect - leading to

DebugInfo: Fix incorrect line table lookup when resolving decl_file from a split unit

Specifically in DWARFv5 the unit for the line table entry was correct
but the context was incorrect - leading to looking up .debug_line_str in
the dwp instead of the executable.

(perhaps we could/should remove the context pointer entirely, and rely
on the one in the unit... I might try that as a separate follow-up
commit)

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