Hello, I have a program written in Delphi and now it is compiled with FPC 2.0.4 and running on Linux. I am having troubles to find what is causing it to break. The error I get is EAccessViolation.
A short gdb backtrace is provided below. What makes me puzzle is SYSTEM_RECORDRTTI. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1518343248 (LWP 12918)] 0x08057c05 in SYSTEM_RECORDRTTI$POINTER$POINTER$TRTTIPROC () (gdb) backtrace #0 0x08057c05 in SYSTEM_RECORDRTTI$POINTER$POINTER$TRTTIPROC () (gdb) continue Continuing. Breakpoint 1, 0x080554a2 in fpc_raiseexception () (gdb) backtrace #0 0x080554a2 in fpc_raiseexception () #1 0x0808884d in SYSUTILS_RUNERRORTOEXCEPT$LONGINT$POINTER$POINTER () #2 0x08058941 in SYSTEM_HANDLEERRORADDRFRAME$LONGINT$POINTER$POINTER () #3 0x080603aa in SYSTEM_SIGNALTORUNERROR$LONGINT$PSIGINFO$PUCONTEXT () #4 0x080599fc in SYSTEM_LINUX_RESTORE () (gdb) continue Continuing. Breakpoint 1, 0x080554a2 in fpc_raiseexception () (gdb) backtrace #0 0x080554a2 in fpc_raiseexception () #1 0x0808884d in SYSUTILS_RUNERRORTOEXCEPT$LONGINT$POINTER$POINTER () #2 0x08058941 in SYSTEM_HANDLEERRORADDRFRAME$LONGINT$POINTER$POINTER () #3 0x080589e8 in SYSTEM_HANDLEERRORFRAME$LONGINT$POINTER () #4 0x08058a14 in SYSTEM_HANDLEERROR$LONGINT () #5 0x0805ad2b in SYSTEM_CONCAT_TWO_BLOCKS$PMEMCHUNK_VAR$PMEMCHUNK_VAR () #6 0x0805add0 in SYSTEM_TRY_CONCAT_FREE_CHUNK_FORWARD$PMEMCHUNK_VAR () #7 0x0805adea in SYSTEM_TRY_CONCAT_FREE_CHUNK$PMEMCHUNK_VAR$$PMEMCHUNK_VAR () #8 0x0805b40b in SYSTEM_SYSFREEMEM_VAR$PMEMCHUNK_VAR$$LONGINT () #9 0x0805b45f in SYSTEM_SYSFREEMEM$POINTER$$LONGINT () #10 0x0805a657 in SYSTEM_FREEMEM$POINTER$$LONGINT () #11 0x0804b9cb in fpc_ansistr_decr_ref () #12 0xa57fdb60 in ?? () Next entries are from my program: #13 0x080f563d in TNCONNECTION__SENDCOMMAND (ACOMM=0x9a0c7488, this=0xa7a7f178) at nconnection.pas:170 #14 0x080f5a05 in TNCONNECTION__SENDSERIAL (AOBJ=0x9a0a14c8, ACOMMANDID=NCERROR, this=0xa7a7f178) at nconnection.pas:224 .... continues ... Any hints what may cause this backtrace? I suspect assignment or comparisson of variant and/or strings because they are used havily under Delphi. Any comments are welcome. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal