142a03c102
* config/win/poccce.cf
* config/win/pocc.cf
* Warning level taken down to -w2.
* contrib/hbsqlit3/Makefile
- Disabled for pocc, as it chokes on the new version of
sqlite3.h.
* INSTALL
* Minor update.
* include/hbapifs.h
* include/hbdbsort.h
* include/hbsetup.h
* contrib/hbct/files.c
* contrib/hbct/disk.c
* contrib/hbmzip/hbmzip.c
* contrib/rddads/ads1.c
* contrib/hbbmcdx/bmdbfcdx.c
* contrib/examples/pp/pp.c
* contrib/examples/pp/hbppcore.c
* source/pp/ppcore.c
* source/pp/hbpp.c
* source/vm/runner.c
* source/vm/estack.c
* source/vm/hvm.c
* source/vm/cmdarg.c
* source/vm/fm.c
* source/vm/proc.c
* source/vm/extrap.c
* source/vm/memvars.c
* source/vm/set.c
* source/main/harbour.c
* source/common/hbfsapi.c
* source/common/hbwince.c
* source/rtl/spfiles.c
* source/rtl/defpath.c
* source/rtl/philes.c
* source/rtl/fnsplit.c
* source/rtl/fstemp.c
* source/rtl/gtchrmap.c
* source/rtl/errorint.c
* source/rtl/filebuf.c
* source/rtl/hbffind.c
* source/rtl/filesys.c
* source/rtl/file.c
* source/rdd/dbfntx/dbfntx1.c
* source/rdd/sdf1.c
* source/rdd/dbfnsx/dbfnsx1.c
* source/rdd/dbfcdx/dbfcdx1.c
* source/rdd/delim1.c
* source/rdd/dbf1.c
* source/rdd/hsx/hsx.c
* source/rdd/dbffpt/dbffpt1.c
* source/rdd/hbsix/sxsem.c
* source/rdd/hbsix/sxfname.c
* source/compiler/hbmain.c
* source/compiler/genc.c
* source/compiler/harbour.yyc
* source/compiler/harbour.y
* source/compiler/compi18n.c
* source/compiler/genhrb.c
* source/compiler/gencobj.c
* source/compiler/genobj32.c
* _POSIX_PATH_MAX + 1 -> HB_PATH_MAX
* _POSIX_PATH_MAX -> HB_PATH_MAX - 1
Please update your .c code to use new constant.
Harbour initialization of the value is now HB_LEGACY_LEVEL2
and will be removed in next version.
; Please review me.
432 lines
16 KiB
C
432 lines
16 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Exception handlers
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/*
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* The following parts are Copyright of the individual authors.
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* www - http://www.harbour-project.org
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*
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* Copyright 2008 Mindaugas Kavaliauskas (dbtopas at dbtopas.lt)
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* hb_winExceptionHandler() Windows exception info dump code.
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*
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* Copyright 2008 Viktor Szakats (harbour.01 syenar hu)
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* hb_winExceptionHandler() Module listing code.
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* hb_winExceptionHandler() x64 support.
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*
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* See COPYING for licensing terms.
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*
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*/
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#define HB_OS_WIN_USED
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#include "hbapi.h"
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#include "hbvm.h"
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#include "hbapifs.h"
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#include "hbdate.h"
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#include "hbapierr.h"
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#include "hbset.h"
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#if defined( HB_OS_UNIX )
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# include <unistd.h>
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# include <signal.h>
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# if defined( SIGSTKSZ ) && \
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( ( defined( _BSD_SOURCE ) && _BSD_SOURCE ) || \
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( defined( _XOPEN_SOURCE ) && _XOPEN_SOURCE >= 500 ) )
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# define HB_SIGNAL_EXCEPTION_HANDLER
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# endif
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#endif
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#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
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# include <tlhelp32.h>
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/* BCC and MinGW doesn't seem to #define this */
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# ifndef TH32CS_SNAPMODULE32
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# define TH32CS_SNAPMODULE32 0
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# endif
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#endif
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#if defined( HB_SIGNAL_EXCEPTION_HANDLER )
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static BYTE * s_signal_stack[ SIGSTKSZ ];
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#endif
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#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
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LONG WINAPI hb_winExceptionHandler( struct _EXCEPTION_POINTERS * pExceptionInfo )
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{
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char errmsg[ 8192 ];
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int errmsglen = sizeof( errmsg ) - 1;
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errmsg[ 0 ] = '\0';
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#if defined(HB_OS_WIN_64) && (defined(_M_X64) || defined(__MINGW64__))
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{
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PCONTEXT pCtx = pExceptionInfo->ContextRecord;
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hb_snprintf( errmsg, errmsglen,
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"\n\n"
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" Exception Code:%08X\n"
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" Exception Address:0x%016" PFLL "X\n"
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" RAX:0x%016" PFLL "X RBX:0x%016" PFLL "X RCX:0x%016" PFLL "X RDX:0x%016" PFLL "X\n"
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" RSI:0x%016" PFLL "X RDI:0x%016" PFLL "X RBP:0x%016" PFLL "X\n"
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" R8 :0x%016" PFLL "X R9 :0x%016" PFLL "X R10:0x%016" PFLL "X R11:0x%016" PFLL "X\n"
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" R12:0x%016" PFLL "X R13:0x%016" PFLL "X R14:0x%016" PFLL "X R15:0x%016" PFLL "X\n"
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" CS:RIP:%04X:0x%016" PFLL "X SS:RSP:%04X:0x%016" PFLL "X\n"
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" DS:%04X ES:%04X FS:%04X GS:%04X\n"
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" Flags:%08X\n",
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( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionCode,
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( HB_PTRDIFF ) pExceptionInfo->ExceptionRecord->ExceptionAddress,
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pCtx->Rax, pCtx->Rbx, pCtx->Rcx, pCtx->Rdx,
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pCtx->Rsi, pCtx->Rdi, pCtx->Rbp,
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pCtx->R8 , pCtx->R9 , pCtx->R10, pCtx->R11,
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pCtx->R12, pCtx->R13, pCtx->R14, pCtx->R15,
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( UINT32 ) pCtx->SegCs, pCtx->Rip, ( UINT32 ) pCtx->SegSs, pCtx->Rsp,
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( UINT32 ) pCtx->SegDs, ( UINT32 ) pCtx->SegEs, ( UINT32 ) pCtx->SegFs, ( UINT32 ) pCtx->SegGs,
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( UINT32 ) pCtx->EFlags );
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/* TODO: 64-bit stack trace.
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See: - StackWalk64()
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- http://www.codeproject.com/KB/threads/StackWalker.aspx?fid=202364 */
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}
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#elif defined(HB_OS_WIN_64) && defined(_M_IA64)
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{
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/* TODO: Itanium
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See: winnt.h for PCONTEXT structure. */
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}
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#else
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{
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char buf[ 64 + MAX_PATH ];
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PCONTEXT pCtx = pExceptionInfo->ContextRecord;
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unsigned char * pc;
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unsigned int * sc;
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unsigned int * ebp;
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unsigned int eip;
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unsigned int j;
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int i;
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hb_snprintf( errmsg, errmsglen,
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"\n\n"
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" Exception Code:%08X\n"
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" Exception Address:%08X\n"
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" EAX:%08X EBX:%08X ECX:%08X EDX:%08X\n"
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" ESI:%08X EDI:%08X EBP:%08X\n"
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" CS:EIP:%04X:%08X SS:ESP:%04X:%08X\n"
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" DS:%04X ES:%04X FS:%04X GS:%04X\n"
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" Flags:%08X\n",
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( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionCode,
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( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionAddress,
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( UINT32 ) pCtx->Eax, ( UINT32 ) pCtx->Ebx, ( UINT32 ) pCtx->Ecx, ( UINT32 ) pCtx->Edx,
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( UINT32 ) pCtx->Esi, ( UINT32 ) pCtx->Edi, ( UINT32 ) pCtx->Ebp,
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( UINT32 ) pCtx->SegCs, ( UINT32 ) pCtx->Eip, ( UINT32 ) pCtx->SegSs, ( UINT32 ) pCtx->Esp,
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( UINT32 ) pCtx->SegDs, ( UINT32 ) pCtx->SegEs, ( UINT32 ) pCtx->SegFs, ( UINT32 ) pCtx->SegGs,
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( UINT32 ) pCtx->EFlags );
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hb_strncat( errmsg, " CS:EIP:", errmsglen );
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pc = ( unsigned char * ) pCtx->Eip;
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for( i = 0; i < 16; i++ )
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{
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if( IsBadReadPtr( pc, 1 ) )
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break;
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hb_snprintf( buf, sizeof( buf ) - 1, " %02X", ( int ) pc[ i ] );
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hb_strncat( errmsg, buf, errmsglen );
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}
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hb_strncat( errmsg, "\n SS:ESP:", errmsglen );
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sc = ( unsigned int * ) pCtx->Esp;
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for( i = 0; i < 16; i++ )
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{
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if( IsBadReadPtr( sc, 4 ) )
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break;
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hb_snprintf( buf, sizeof( buf ), " %08X", sc[ i ] );
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hb_strncat( errmsg, buf, errmsglen );
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}
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hb_strncat( errmsg, "\n\n", errmsglen );
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hb_strncat( errmsg, " C stack:\n", errmsglen );
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hb_strncat( errmsg, " EIP: EBP: Frame: OldEBP, RetAddr, Params...\n", errmsglen );
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eip = pCtx->Eip;
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ebp = ( unsigned int * ) pCtx->Ebp;
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if( ! IsBadWritePtr( ebp, 8 ) )
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{
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for( i = 0; i < 20; i++ )
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{
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if( ( unsigned int ) ebp % 4 != 0 || IsBadWritePtr( ebp, 40 ) || ( unsigned int ) ebp >= ebp[ 0 ] )
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break;
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hb_snprintf( buf, sizeof( buf ), " %08X %08X ", ( int ) eip, ( int ) ebp );
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hb_strncat( errmsg, buf, errmsglen );
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for( j = 0; j < 10 && ( unsigned int ) ( ebp + j ) < ebp[ 0 ]; j++ )
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{
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hb_snprintf( buf, sizeof( buf ), " %08X", ebp[ j ] );
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hb_strncat( errmsg, buf, errmsglen );
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}
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hb_strncat( errmsg, "\n", errmsglen );
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eip = ebp[ 1 ];
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ebp = ( unsigned int * ) ebp[ 0 ];
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}
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hb_strncat( errmsg, "\n", errmsglen );
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}
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}
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#endif
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{
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/* NOTE: Several non-MS sources say that Win9x has these functions
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in tlhelp32.dll. Testing shows though, that in Win95, Win95b
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and Win98 they are in kernel32.dll, and tlhelp32.dll doesn't
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exist. [vszakats] */
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HMODULE hKernel32 = GetModuleHandle( TEXT( "kernel32.dll" ) );
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if( hKernel32 )
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{
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/* NOTE: Hack to force the ASCII versions of these types. [vszakats] */
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#if defined( UNICODE )
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#undef MODULEENTRY32
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#undef LPMODULEENTRY32
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#endif
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typedef HANDLE ( WINAPI * P_CTH32SSH )( DWORD, DWORD ); /* CreateToolhelp32Snapshot() */
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typedef BOOL ( WINAPI * P_M32F )( HANDLE, LPMODULEENTRY32 ); /* Module32First() */
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typedef BOOL ( WINAPI * P_M32N )( HANDLE, LPMODULEENTRY32 ); /* Module32Next() */
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P_CTH32SSH pCreateToolhelp32Snapshot = ( P_CTH32SSH ) GetProcAddress( hKernel32, "CreateToolhelp32Snapshot" );
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P_M32F pModule32First = ( P_M32F ) GetProcAddress( hKernel32, "Module32First" );
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P_M32N pModule32Next = ( P_M32N ) GetProcAddress( hKernel32, "Module32Next" );
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if( pCreateToolhelp32Snapshot &&
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pModule32First &&
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pModule32Next )
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{
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/* Take a snapshot of all modules in the specified process. */
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HANDLE hModuleSnap = pCreateToolhelp32Snapshot( TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, GetCurrentProcessId() );
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if( hModuleSnap != INVALID_HANDLE_VALUE )
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{
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MODULEENTRY32 me32;
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/* Set the size of the structure before using it. */
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me32.dwSize = sizeof( MODULEENTRY32 );
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/* Retrieve information about the first module, and exit if unsuccessful */
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if( pModule32First( hModuleSnap, &me32 ) )
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{
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hb_strncat( errmsg, "\nModules:\n", errmsglen );
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/* Now walk the module list of the process, and display information about each module */
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do
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{
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char buf[ 256 ];
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#if defined( HB_OS_WIN_64 )
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/* TOFIX: me32.szExePath seemed trashed in some (standalone) tests. */
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hb_snprintf( buf, sizeof( buf ), "0x%016" PFLL "X 0x%016" PFLL "X %s\n", ( HB_PTRDIFF ) me32.modBaseAddr, ( HB_PTRDIFF ) me32.modBaseSize, me32.szExePath );
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#else
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hb_snprintf( buf, sizeof( buf ), "0x%08lX 0x%08lX %s\n", ( HB_PTRDIFF ) me32.modBaseAddr, ( HB_PTRDIFF ) me32.modBaseSize, me32.szExePath );
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#endif
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hb_strncat( errmsg, buf, errmsglen );
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} while( pModule32Next( hModuleSnap, &me32 ) );
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}
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/* Do not forget to clean up the snapshot object. */
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CloseHandle( hModuleSnap );
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}
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}
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}
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}
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hb_errInternalRaw( 6005, "Exception error: %s", errmsg, NULL );
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return hb_cmdargCheck( "BATCH" ) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
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}
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#elif defined(HB_OS_OS2)
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static EXCEPTIONREGISTRATIONRECORD s_regRec; /* Exception Registration Record */
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ULONG _System hb_os2ExceptionHandler( PEXCEPTIONREPORTRECORD p1,
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PEXCEPTIONREGISTRATIONRECORD p2,
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PCONTEXTRECORD p3,
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PVOID pv )
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{
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HB_SYMBOL_UNUSED( p1 );
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HB_SYMBOL_UNUSED( p2 );
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HB_SYMBOL_UNUSED( p3 );
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HB_SYMBOL_UNUSED( pv );
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/* Don't print stack trace if inside unwind, normal process termination or process killed or
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during debugging */
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if( p1->ExceptionNum != XCPT_UNWIND && p1->ExceptionNum < XCPT_BREAKPOINT )
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{
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char buffer[ HB_SYMBOL_NAME_LEN + HB_SYMBOL_NAME_LEN + 5 ];
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char file[ HB_PATH_MAX ];
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USHORT uiLine;
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int iLevel = 0;
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fprintf( stderr, HB_I_("\nException %lx at address %p \n"), p1->ExceptionNum, p1->ExceptionAddress );
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while( hb_procinfo( iLevel++, buffer, &uiLine, file ) )
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fprintf( stderr, HB_I_("Called from %s(%hu)%s%s\n"), buffer, uiLine, *file ? HB_I_(" in ") : "", file );
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}
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return hb_cmdargCheck( "BATCH" ) ? XCPT_CONTINUE_STOP : XCPT_CONTINUE_SEARCH /* Exception not resolved... */;
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}
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#elif defined( HB_SIGNAL_EXCEPTION_HANDLER )
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static void hb_signalExceptionHandler( int sig, siginfo_t * si, void * ucp )
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{
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char buffer[ 32 ];
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const char * signame;
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const char * sigaddr;
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HB_SYMBOL_UNUSED( ucp );
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switch( sig )
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{
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case SIGSEGV:
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signame = "SIGSEGV";
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hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
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sigaddr = buffer;
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break;
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case SIGILL:
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signame = "SIGILL";
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hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
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sigaddr = buffer;
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break;
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case SIGFPE:
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signame = "SIGFPE";
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hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
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sigaddr = buffer;
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break;
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case SIGBUS:
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signame = "SIGBUS";
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hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
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sigaddr = buffer;
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break;
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default:
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hb_snprintf( buffer, sizeof( buffer ), "sig:%d", sig );
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signame = buffer;
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sigaddr = "UNKNOWN";
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break;
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}
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hb_errInternal( 6005, "Exception %s at address %s", signame, sigaddr );
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}
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#endif
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void hb_vmSetExceptionHandler( void )
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{
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#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
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{
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LPTOP_LEVEL_EXCEPTION_FILTER ef = SetUnhandledExceptionFilter( hb_winExceptionHandler );
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HB_SYMBOL_UNUSED( ef );
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}
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#elif defined(HB_OS_OS2) /* Add OS2TermHandler to this thread's chain of exception handlers */
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{
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APIRET rc; /* Return code */
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memset( &s_regRec, 0, sizeof( s_regRec ) );
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s_regRec.ExceptionHandler = ( ERR ) hb_os2ExceptionHandler;
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rc = DosSetExceptionHandler( &s_regRec );
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if( rc != NO_ERROR )
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hb_errInternal( HB_EI_ERRUNRECOV, "Unable to setup exception handler (DosSetExceptionHandler())", NULL, NULL );
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}
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#elif defined( HB_SIGNAL_EXCEPTION_HANDLER )
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{
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stack_t ss;
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ss.ss_sp = ( void * ) s_signal_stack;
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ss.ss_size = SIGSTKSZ;
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ss.ss_flags = 0;
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/* set alternative stack for SIGSEGV executed on stack overflow */
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if( sigaltstack( &ss, NULL ) == 0 )
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{
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struct sigaction act;
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int i, sigs[] = { SIGSEGV, SIGILL, SIGFPE, SIGBUS, 0 };
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/* Ignore SIGPIPEs so they don't kill us. */
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signal( SIGPIPE, SIG_IGN );
|
|
for( i = 0; sigs[ i ]; ++i )
|
|
{
|
|
sigaction( sigs[ i ], 0, &act );
|
|
act.sa_sigaction = hb_signalExceptionHandler;
|
|
act.sa_flags = SA_ONSTACK | SA_SIGINFO | SA_RESETHAND;
|
|
sigaction( sigs[ i ], &act, 0 );
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void hb_vmUnsetExceptionHandler( void )
|
|
{
|
|
#if defined(HB_OS_OS2) /* Add OS2TermHandler to this thread's chain of exception handlers */
|
|
{
|
|
APIRET rc; /* Return code */
|
|
|
|
/* I don't do any check on return code since harbour is exiting in any case */
|
|
rc = DosUnsetExceptionHandler( &s_regRec );
|
|
HB_SYMBOL_UNUSED( rc );
|
|
}
|
|
#elif defined( HB_SIGNAL_EXCEPTION_HANDLER )
|
|
{
|
|
/* we are using static buffer for alternative stack so we do not
|
|
* have to deallocate it to free the memory on application exit
|
|
*/
|
|
#if 0
|
|
stack_t ss, oss;
|
|
ss.ss_sp = NULL;
|
|
ss.ss_size = SIGSTKSZ;
|
|
ss.ss_flags = SS_DISABLE;
|
|
/* set alternative stack for SIGSEGV executed on stack overflow */
|
|
if( sigaltstack( &ss, &oss ) == 0 )
|
|
{
|
|
if( oss.ss_sp && SS_DISABLE )
|
|
free( oss.ss_sp );
|
|
}
|
|
#endif
|
|
}
|
|
#endif
|
|
}
|