https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=218379 Index: gdb-7.6.50.20130731-cvs/gdb/symtab.c =================================================================== --- gdb-7.6.50.20130731-cvs.orig/gdb/symtab.c 2013-08-02 17:06:19.854663801 +0200 +++ gdb-7.6.50.20130731-cvs/gdb/symtab.c 2013-08-02 17:07:04.317721471 +0200 @@ -2327,6 +2327,13 @@ find_pc_sect_line (CORE_ADDR pc, struct SYMBOL_LINKAGE_NAME (msymbol)); */ ; /* fall through */ + /* `msymbol' trampoline may be located before its .text symbol + but this text symbol may be the address we were looking for. + Avoid `find_pc_sect_line'<->`find_pc_line' infinite loop. + Red Hat Bug 218379. */ + else if (SYMBOL_VALUE (mfunsym) == pc) + warning ("In stub for %s (0x%s); interlocked, please submit the binary to http://bugzilla.redhat.com", SYMBOL_LINKAGE_NAME (msymbol.minsym), paddress (target_gdbarch (), pc)); + /* fall through */ else return find_pc_line (SYMBOL_VALUE_ADDRESS (mfunsym), 0); }