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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2022 06:28:19 -0000 Hi, This is about GDB 12.1 on Linux. Object files are compiled by armclang. We run into the situation, where some functions of a stack trace do not hav= e source code filenames associated with the function names. GDB even claims= that there is no debug info available for these functions, while all sourc= e files are compiled with debug info. But readelf and objdump show the corr= ect source code filenames for these functions. Debugging into this (elf_symtab_read() in elfread.c) shows that the correct= filename is stored in filesymname at line 353. But this filename gets over= written by another filename a bit later for a few functions, which belong t= o a runtime library. This file is not available in the file system. A few f= unctions later, we arrive at one of the functions in the stack trace. Now t= he function gets the wrong filename assigned. This looks like the variable filesymname should store the filenames in a st= ack. Then we could have nested scopes of source filenames. But then the que= stion is, how to identify the end of such a source file scope while reading= the debug info. Did somebody else encounter this issue? Any ideas, what else could cause th= is issue? Regards, Robert