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Date: Tue, 22 Apr 2008 21:35:00 -0000
From: "Doug Evans" <dje@google.com>
To: "Paul Pluzhnikov" <ppluzhnikov@google.com>, gdb-patches@sourceware.org
Subject: Re: [RFC] gdb could leave inferior running as a background process
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On Tue, Apr 22, 2008 at 12:55 PM, Daniel Jacobowitz <drow@false.org> wrote:
>  > >  Where is the warning issued?
>  >
>  > #0  warning (string=0x82e9520 "(Internal error: pc 0x%s in read in
>  > psymtab, but not in symtab.)\n") at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/utils.c:615
>  > #1  0x08112c5b in find_pc_sect_symtab (pc=134512896, section=0x0) at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/symtab.c:1984
>  > #2  0x08112d79 in find_pc_sect_line (pc=134512896, section=0x0,
>  > notcurrent=0) at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/symtab.c:2140
>  > #3  0x08112fcc in find_pc_line (pc=134512896, notcurrent=0) at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/symtab.c:2262
>  > #4  0x08128698 in init_execution_control_state (ecs=0xffffd05c) at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/infrun.c:1128
>  > #5  0x08128344 in wait_for_inferior (treat_exec_as_sigtrap=0) at
>  > ../../../google_vendor_src_branch/gdb/gdb-6.8.x/gdb/infrun.c:1012
>
>  Ugh.  Perhaps we can do this before resuming.

It seems like there are multiple places where this can happen.  E.g.
wait_for_inferior -> handle_inferior_event -> find_pc_partial_function
-> target_terminal_ours_for_output.