On Thursday 18 December 2014 18:19:06 Martin Schreiber wrote: > On Thursday 18 December 2014 14:43:42 Pierre Free Pascal wrote: > > Did you try to use 7.7 or later release? > > gdb compiled from git gdb-7.8-branch > 84aa7422f440868fea3359fde953c8375ca3409c works, thanks.
No, it is not OK. FPC fixes_2_6 i386-linux -gl -O-: With the MSEgui demo program https://gitorious.org/mseide-msegui/mseide-msegui/source/apps/demo gdb-7.8-branch (7.8.1): " [...] Reading symbols from ./demo...done. (gdb) break main.pas:25 Breakpoint 1 at 0x8099a5f: file main.pas, line 25. (gdb) run Starting program: /home/mse/packs/standard/git/mseide-msegui/apps/demo/demo warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Breakpoint 1, TMAINFO__EXITONEXECUTE (SENDER=0xb7a6a000, this=<error reading variable>) at main.pas:25 25 application.terminated:= true; (gdb) print ftag Type TMAINFO has no component named ftag. (gdb) print self.ftag warning: can't find linker symbol for virtual table for `TMAINFO' value $1 = 0 (gdb) " gdb-7.7-branch (7.7.1): " Reading symbols from ./demo...done. (gdb) break main.pas:25 Breakpoint 1 at 0x8099a5f: file main.pas, line 25. (gdb) run Starting program: /home/mse/packs/standard/git/mseide-msegui/apps/demo/demo warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Breakpoint 1, TMAINFO__EXITONEXECUTE (SENDER=0xb7a6a000, this=<error reading variable>) at main.pas:25 25 application.terminated:= true; (gdb) print ftag Type TMAINFO has no component named ftag. (gdb) print self.ftag warning: can't find linker symbol for virtual table for `TMAINFO' value $1 = 0 (gdb) " gdb_7_6-branch (7.6.2): " Reading symbols from /home/mse/packs/standard/git/mseide-msegui/apps/demo/demo...done. (gdb) break main.pas:25 Breakpoint 1 at 0x8099a5f: file main.pas, line 25. (gdb) run Starting program: /home/mse/packs/standard/git/mseide-msegui/apps/demo/./demo warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Python Exception <type 'exceptions.AttributeError'> 'gdb.Type' object has no attribute 'name': Breakpoint 1, TMAINFO__EXITONEXECUTE (SENDER=0xb7a6a000, this=<error reading variable>) at main.pas:25 25 application.terminated:= true; (gdb) print ftag warning: can't find linker symbol for virtual table for `TMAINFO' value Python Exception <type 'exceptions.AttributeError'> 'gdb.Type' object has no attribute 'name': Python Exception <type 'exceptions.AttributeError'> 'gdb.Type' object has no attribute 'name': $1 = 0 (gdb) print self.ftag warning: can't find linker symbol for virtual table for `TMAINFO' value Python Exception <type 'exceptions.AttributeError'> 'gdb.Type' object has no attribute 'name': Python Exception <type 'exceptions.AttributeError'> 'gdb.Type' object has no attribute 'name': $2 = 0 (gdb) " gdb_7_5-branch (7.5.1): " Reading symbols from /home/mse/packs/standard/git/mseide-msegui/apps/demo/demo...done. (gdb) break main.pas:25 Breakpoint 1 at 0x8099a5f: file main.pas, line 25. (gdb) run Starting program: /home/mse/packs/standard/git/mseide-msegui/apps/demo/demo warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Breakpoint 1, TMAINFO__EXITONEXECUTE (SENDER=0xb7a6a000, this=<error reading variable>) at main.pas:25 25 application.terminated:= true; (gdb) print ftag $1 = 0 (gdb) print self.ftag $2 = 0 (gdb) " With the "assertion crash" program https://gitorious.org/mseuniverse/mseuniverse/source/testcase/gdb/assertioncrash/invalidvar.pas gdb-7.8-branch (7.8.1): " Reading symbols from ./invalidvar...Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar.dbg...done. done. (gdb) print po1^.c Type RECTY has no component named c. (gdb) " gdb-7.7-branch (7.7.1): " Reading symbols from ./invalidvar...Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar.dbg...done. done. (gdb) print po1^.c Type RECTY has no component named c. (gdb) " gdb_7_6-branch (7.6.2): " Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar...Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar.dbg...done. done. (gdb) print po1^.c parse.c:588: internal-error: mark_struct_expression: Assertion `parse_completion && expout_tag_completion_type == TYPE_CODE_UNDEF' failed. A problem internal to GDB has been detected, further debugging may prove unreliable. Quit this debugging session? (y or n) " gdb_7_5-branch (7.5.1): " Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar...Reading symbols from /home/mse/packs/standard/git/mseuniverse/testcase/gdb/assertioncrash/invalidvar.dbg...done. done. (gdb) print po1^.c Type RECTY has no component named c. (gdb) " So the last working gdb with FPC is 7.5.1. Martin _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
