[llvm-bugs] [Bug 40068] New: llvm-symbolizer: add --basenames/-s functionality

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40068

            Bug ID: 40068
           Summary: llvm-symbolizer: add --basenames/-s functionality
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: jh7370.2008 at my.bristol.ac.uk
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

GNU addr2line has a --basenames (aka -s) switch which is used when printing
file paths. Instead of printing the full directory path, it prints only the
base filename:

C:\Work\TempWork> addr2line 0x20 -e main.elf
C:\Work\TempWork/main.cpp:14
C:\Work\TempWork> addr2line 0x20 -e main.elf --basenames
main.cpp:14

I propose we add this to llvm-symbolizer. Adding this should be pretty simple
and would improve our GNU compatibility. It also makes the output more readable
when used (if we don't care about full paths), especially when dealing with
deep directory structures. There may well be other use-cases that I can't
immediately think of as well.

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