[Bug gprof/32224] New: Call graph not displayed for coff-go32 (no function-flag on symbols)

[jwjagersma at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=32224

            Bug ID: 32224
           Summary: Call graph not displayed for coff-go32 (no
                    function-flag on symbols)
           Product: binutils
           Version: 2.43.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gprof
          Assignee: unassigned at sourceware dot org
          Reporter: jwjagersma at gmail dot com
  Target Milestone: ---

I'm looking to fix djgpp's profiler support, which is suffering from some
bit-rot.  I fixed some issues with mcount in libc, but still don't get a call
graph (all samples are <spontaneous>).

Stepping through gprof, I find that none of the symbols have the 'is_func' flag
set, and it makes cg_tally() drop all the arc entries.

>From what I can tell then, 'core_has_func_syms' (in
core_create_function_syms(),
gprof/corefile.c) should be 0 for coff-go32.  Or, the assembler should emit
a function flag on .text symbols.

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