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BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[gdb-patches@sourceware.org]; RCVD_TLS_ALL(0.00)[] X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org I ran gdb/contrib/dwarf-to-dwarf-assembler.py on a hello world executable, and ran into: ... Traceback (most recent call last): File "dwarf-to-dwarf-assembler.py", line 654, in main(sys.argv) ~~~~^^^^^^^^^^ File "dwarf-to-dwarf-assembler.py", line 650, in main generator.generate() ~~~~~~~~~~~~~~~~~~^^ File "dwarf-to-dwarf-assembler.py", line 622, in generate self.generate_die(die, indent_count) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^ File "dwarf-to-dwarf-assembler.py", line 601, in generate_die die_lines = die.format(self.dwarf_parser.offset_to_die, indent_count) File "dwarf-to-dwarf-assembler.py", line 291, in format return "\n".join(self.format_lines(offset_die_lookup, indent_count)) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "dwarf-to-dwarf-assembler.py", line 388, in format_lines inner_lines = super().format_lines(offset_die_lookup, indent_count + 1) File "dwarf-to-dwarf-assembler.py", line 263, in format_lines attr_line = attr.format( offset_die_lookup, indent_count=indent_count + 1 ) File "dwarf-to-dwarf-assembler.py", line 209, in format s += "@" + LANG_NAME[self.value] ~~~~~~~~~^^^^^^^^^^^^ KeyError: 32769 ... The problem is that the language 0x8001 (DW_LANG_lo_user + 1) is not listed in elftools.dwarf.enums.ENUM_DW_LANG. This is MIPS vendor extension DW_LANG_MIPS_assembler, commonly used for any assembly in DWARF versions that don't define a value for it (starting v6, there's DW_LANG_Assembly). Fix the generic case by emitting: ... DW_AT_language 32769 DW_FORM_sdata ... and this specific case by emitting: ... DW_AT_language @DW_LANG_Mips_Assembler ... --- gdb/contrib/dwarf-to-dwarf-assembler.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/gdb/contrib/dwarf-to-dwarf-assembler.py b/gdb/contrib/dwarf-to-dwarf-assembler.py index 3efaf0dc85d..ca4c7696835 100755 --- a/gdb/contrib/dwarf-to-dwarf-assembler.py +++ b/gdb/contrib/dwarf-to-dwarf-assembler.py @@ -206,7 +206,13 @@ class DWARFAttribute: s += " " if self.name == "DW_AT_language" and isinstance(self.value, int): - s += "@" + LANG_NAME[self.value] + if LANG_NAME.get(self.value) is None: + if self.value == 0x8001: + s += "@DW_LANG_Mips_Assembler" + else: + s += str(self.value) + " DW_FORM_sdata" + else: + s += "@" + LANG_NAME[self.value] elif self.name == "DW_AT_encoding" and isinstance(self.value, int): s += "@" + ATE_NAME[self.value] else: -- 2.51.0