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Add debug trace in amd64-windows-tdep.c::amd64_windows_frame_decode_insns

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This is a trace which would have been useful when trying to understand
why the debugger was not decoding the stream of unwind codes I was
expecting.  This patch adds a trace first informing us that we are
following the unwind info to the next unwind record in that chain.

gdb/ChangeLog:

        * amd64-windows-tdep.c (amd64_windows_frame_decode_insns):
        Add debug trace.
This commit is contained in:
Joel Brobecker 2014-06-11 14:31:20 +02:00
parent e068c55d5e
commit 53e8f97d57
2 changed files with 14 additions and 0 deletions
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5
gdb/ChangeLog
View file

@ -1,3 +1,8 @@
2014-08-01 Joel Brobecker <brobecker@adacore.com>
* amd64-windows-tdep.c (amd64_windows_frame_decode_insns):
Add debug trace.
2014-08-01 Joel Brobecker <brobecker@adacore.com>
* amd64-windows-tdep.c (amd64_windows_frame_decode_insns):

9
gdb/amd64-windows-tdep.c
View file

@ -837,6 +837,15 @@ amd64_windows_frame_decode_insns (struct frame_info *this_frame,
extract_unsigned_integer (d.rva_EndAddress, 4, byte_order);
unwind_info =
extract_unsigned_integer (d.rva_UnwindData, 4, byte_order);
if (frame_debug)
fprintf_unfiltered
(gdb_stdlog,
"amd64_windows_frame_decodes_insn (next in chain):"
" unwind_data=%s, start_rva=%s, end_rva=%s\n",
paddress (gdbarch, unwind_info),
paddress (gdbarch, cache->start_rva),
paddress (gdbarch, cache->end_rva));
}
/* Allow the user to break this loop. */