Files
harbour-core/harbour/source/vm/extrap.c
Viktor Szakats a8598c6299 2009-02-04 23:23 UTC+0100 Viktor Szakats (harbour.01 syenar hu)
* include/hbwince.h
  * include/hb_io.h
  * include/hbwmain.c
  * include/hbthread.h
  * include/hbsetup.h
  * include/hbmath.h
  * include/hbassert.h
  * contrib/gtwvg/gtwvg.c
  * contrib/gtwvg/gtwvg.h
  * contrib/gtwvg/wvggui.c
  * contrib/gtwvg/wvggui.h
  * contrib/gtwvg/wvgutils.c
  * contrib/hbwin/win_prn2.c
  * contrib/hbwin/win_dll.c
  * contrib/hbwin/win_prn1.c
  * contrib/examples/pp/pp.c
  * contrib/examples/pp/hbppcore.c
  * source/pp/hbpp.c
  * source/vm/fm.c
  * source/vm/extrap.c
  * source/main/harbour.c
  * source/common/hbver.c
  * source/common/hbwince.c
  * source/rtl/diskspac.c
  * source/rtl/hbgtcore.c
  * source/rtl/gtclip.c
  * source/rtl/gtstd/gtstd.c
  * source/rtl/disksphb.c
  * source/rtl/gtpca/gtpca.c
  * source/rtl/seconds.c
  * source/rtl/filebuf.c
  * source/rtl/hbproces.c
  * source/rtl/gtwvt/gtwvt.h
  * source/rtl/gtwvt/gtwvt.c
  * source/rtl/fssize.c
  * source/rtl/hbinet.c
  * source/rtl/gtsys.c
  * source/rtl/filesys.c
    * HB_WINCE -> HB_OS_WIN_CE.
      Now all OS branching #defines are in the HB_OS_* namespace.
      Please use the new name from now on.
2009-02-04 22:24:35 +00:00

432 lines
16 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Exception handlers
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
/*
* The following parts are Copyright of the individual authors.
* www - http://www.harbour-project.org
*
* Copyright 2008 Mindaugas Kavaliauskas (dbtopas at dbtopas.lt)
* hb_win32ExceptionHandler() Windows exception info dump code.
*
* Copyright 2008 Viktor Szakats (harbour.01 syenar hu)
* hb_win32ExceptionHandler() Module listing code.
* hb_win32ExceptionHandler() x64 support.
*
* See doc/license.txt for licensing terms.
*
*/
#define HB_OS_WIN_USED
#include "hbapi.h"
#include "hbvm.h"
#include "hbapifs.h"
#include "hbdate.h"
#include "hbapierr.h"
#include "hbset.h"
#if defined( HB_OS_UNIX )
# include <unistd.h>
# include <signal.h>
# if defined( SIGSTKSZ ) && \
( ( defined( _BSD_SOURCE ) && _BSD_SOURCE ) || \
( defined( _XOPEN_SOURCE ) && _XOPEN_SOURCE >= 500 ) )
# define HB_SIGNAL_EXCEPTION_HANDLER
# endif
#endif
#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
# include <tlhelp32.h>
/* BCC and MinGW doesn't seem to #define this */
# ifndef TH32CS_SNAPMODULE32
# define TH32CS_SNAPMODULE32 0
# endif
#endif
#if defined( HB_SIGNAL_EXCEPTION_HANDLER )
static BYTE * s_signal_stack[ SIGSTKSZ ];
#endif
#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
LONG WINAPI hb_win32ExceptionHandler( struct _EXCEPTION_POINTERS * pExceptionInfo )
{
char errmsg[ 8192 ];
int errmsglen = sizeof( errmsg ) - 1;
errmsg[ 0 ] = '\0';
#if defined(HB_OS_WIN_64) && defined(_M_AMD64)
{
PCONTEXT pCtx = pExceptionInfo->ContextRecord;
hb_snprintf( errmsg, errmsglen,
"\n\n"
" Exception Code:%08X\n"
" Exception Address:0x%016" PFLL "X\n"
" RAX:0x%016" PFLL "X RBX:0x%016" PFLL "X RCX:0x%016" PFLL "X RDX:0x%016" PFLL "X\n"
" RSI:0x%016" PFLL "X RDI:0x%016" PFLL "X RBP:0x%016" PFLL "X\n"
" R8 :0x%016" PFLL "X R9 :0x%016" PFLL "X R10:0x%016" PFLL "X R11:0x%016" PFLL "X\n"
" R12:0x%016" PFLL "X R13:0x%016" PFLL "X R14:0x%016" PFLL "X R15:0x%016" PFLL "X\n"
" CS:RIP:%04X:0x%016" PFLL "X SS:RSP:%04X:0x%016" PFLL "X\n"
" DS:%04X ES:%04X FS:%04X GS:%04X\n"
" Flags:%08X\n",
( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionCode,
pExceptionInfo->ExceptionRecord->ExceptionAddress,
pCtx->Rax, pCtx->Rbx, pCtx->Rcx, pCtx->Rdx,
pCtx->Rsi, pCtx->Rdi, pCtx->Rbp,
pCtx->R8 , pCtx->R9 , pCtx->R10, pCtx->R11,
pCtx->R12, pCtx->R13, pCtx->R14, pCtx->R15,
( UINT32 ) pCtx->SegCs, pCtx->Rip, ( UINT32 ) pCtx->SegSs, pCtx->Rsp,
( UINT32 ) pCtx->SegDs, ( UINT32 ) pCtx->SegEs, ( UINT32 ) pCtx->SegFs, ( UINT32 ) pCtx->SegGs,
( UINT32 ) pCtx->EFlags );
/* TODO: 64-bit stack trace.
See: - StackWalk64()
- http://www.codeproject.com/KB/threads/StackWalker.aspx?fid=202364 */
}
#elif defined(HB_OS_WIN_64) && defined(_M_IA64)
{
/* TODO: Itanium
See: winnt.h for PCONTEXT structure. */
}
#else
{
char buf[ 64 + MAX_PATH ];
PCONTEXT pCtx = pExceptionInfo->ContextRecord;
unsigned char * pc;
unsigned int * sc;
unsigned int * ebp;
unsigned int eip;
unsigned int j;
int i;
hb_snprintf( errmsg, errmsglen,
"\n\n"
" Exception Code:%08X\n"
" Exception Address:%08X\n"
" EAX:%08X EBX:%08X ECX:%08X EDX:%08X\n"
" ESI:%08X EDI:%08X EBP:%08X\n"
" CS:EIP:%04X:%08X SS:ESP:%04X:%08X\n"
" DS:%04X ES:%04X FS:%04X GS:%04X\n"
" Flags:%08X\n",
( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionCode,
( UINT32 ) pExceptionInfo->ExceptionRecord->ExceptionAddress,
( UINT32 ) pCtx->Eax, ( UINT32 ) pCtx->Ebx, ( UINT32 ) pCtx->Ecx, ( UINT32 ) pCtx->Edx,
( UINT32 ) pCtx->Esi, ( UINT32 ) pCtx->Edi, ( UINT32 ) pCtx->Ebp,
( UINT32 ) pCtx->SegCs, ( UINT32 ) pCtx->Eip, ( UINT32 ) pCtx->SegSs, ( UINT32 ) pCtx->Esp,
( UINT32 ) pCtx->SegDs, ( UINT32 ) pCtx->SegEs, ( UINT32 ) pCtx->SegFs, ( UINT32 ) pCtx->SegGs,
( UINT32 ) pCtx->EFlags );
hb_strncat( errmsg, " CS:EIP:", errmsglen );
pc = ( unsigned char * ) pCtx->Eip;
for( i = 0; i < 16; i++ )
{
if( IsBadReadPtr( pc, 1 ) )
break;
hb_snprintf( buf, sizeof( buf ) - 1, " %02X", ( int ) pc[ i ] );
hb_strncat( errmsg, buf, errmsglen );
}
hb_strncat( errmsg, "\n SS:ESP:", errmsglen );
sc = ( unsigned int * ) pCtx->Esp;
for( i = 0; i < 16; i++ )
{
if( IsBadReadPtr( sc, 4 ) )
break;
hb_snprintf( buf, sizeof( buf ), " %08X", sc[ i ] );
hb_strncat( errmsg, buf, errmsglen );
}
hb_strncat( errmsg, "\n\n", errmsglen );
hb_strncat( errmsg, " C stack:\n", errmsglen );
hb_strncat( errmsg, " EIP: EBP: Frame: OldEBP, RetAddr, Params...\n", errmsglen );
eip = pCtx->Eip;
ebp = ( unsigned int * ) pCtx->Ebp;
if( ! IsBadWritePtr( ebp, 8 ) )
{
for( i = 0; i < 20; i++ )
{
if( ( unsigned int ) ebp % 4 != 0 || IsBadWritePtr( ebp, 40 ) || ( unsigned int ) ebp >= ebp[ 0 ] )
break;
hb_snprintf( buf, sizeof( buf ), " %08X %08X ", ( int ) eip, ( int ) ebp );
hb_strncat( errmsg, buf, errmsglen );
for( j = 0; j < 10 && ( unsigned int ) ( ebp + j ) < ebp[ 0 ]; j++ )
{
hb_snprintf( buf, sizeof( buf ), " %08X", ebp[ j ] );
hb_strncat( errmsg, buf, errmsglen );
}
hb_strncat( errmsg, "\n", errmsglen );
eip = ebp[ 1 ];
ebp = ( unsigned int * ) ebp[ 0 ];
}
hb_strncat( errmsg, "\n", errmsglen );
}
}
#endif
{
/* NOTE: Several non-MS sources say that Win9x has these functions
in tlhelp32.dll. Testing shows though, that in Win95, Win95b
and Win98 they are in kernel32.dll, and tlhelp32.dll doesn't
exist. [vszakats] */
HMODULE hKernel32 = GetModuleHandle( TEXT( "kernel32.dll" ) );
if( hKernel32 )
{
/* NOTE: Hack to force the ASCII versions of these types. [vszakats] */
#if defined( UNICODE )
#undef MODULEENTRY32
#undef LPMODULEENTRY32
#endif
typedef HANDLE ( WINAPI * P_CTH32SSH )( DWORD, DWORD ); /* CreateToolhelp32Snapshot() */
typedef BOOL ( WINAPI * P_M32F )( HANDLE, LPMODULEENTRY32 ); /* Module32First() */
typedef BOOL ( WINAPI * P_M32N )( HANDLE, LPMODULEENTRY32 ); /* Module32Next() */
P_CTH32SSH pCreateToolhelp32Snapshot = ( P_CTH32SSH ) GetProcAddress( hKernel32, "CreateToolhelp32Snapshot" );
P_M32F pModule32First = ( P_M32F ) GetProcAddress( hKernel32, "Module32First" );
P_M32N pModule32Next = ( P_M32N ) GetProcAddress( hKernel32, "Module32Next" );
if( pCreateToolhelp32Snapshot &&
pModule32First &&
pModule32Next )
{
/* Take a snapshot of all modules in the specified process. */
HANDLE hModuleSnap = pCreateToolhelp32Snapshot( TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, GetCurrentProcessId() );
if( hModuleSnap != INVALID_HANDLE_VALUE )
{
MODULEENTRY32 me32;
/* Set the size of the structure before using it. */
me32.dwSize = sizeof( MODULEENTRY32 );
/* Retrieve information about the first module, and exit if unsuccessful */
if( pModule32First( hModuleSnap, &me32 ) )
{
hb_strncat( errmsg, "\nModules:\n", errmsglen );
/* Now walk the module list of the process, and display information about each module */
do
{
char buf[ 64 ];
#if defined( HB_OS_WIN_64 )
/* TOFIX: me32.szExePath seemed trashed in some (standalone) tests. */
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 );
#else
hb_snprintf( buf, sizeof( buf ), "0x%08lX 0x%08lX %s\n", ( HB_PTRDIFF ) me32.modBaseAddr, ( HB_PTRDIFF ) me32.modBaseSize, me32.szExePath );
#endif
hb_strncat( errmsg, buf, errmsglen );
} while( pModule32Next( hModuleSnap, &me32 ) );
}
/* Do not forget to clean up the snapshot object. */
CloseHandle( hModuleSnap );
}
}
}
}
hb_errInternalRaw( 6005, "Exception error: %s", errmsg, NULL );
return hb_cmdargCheck( "BATCH" ) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
}
#elif defined(HB_OS_OS2)
static EXCEPTIONREGISTRATIONRECORD s_regRec; /* Exception Registration Record */
ULONG _System hb_os2ExceptionHandler( PEXCEPTIONREPORTRECORD p1,
PEXCEPTIONREGISTRATIONRECORD p2,
PCONTEXTRECORD p3,
PVOID pv )
{
HB_SYMBOL_UNUSED( p1 );
HB_SYMBOL_UNUSED( p2 );
HB_SYMBOL_UNUSED( p3 );
HB_SYMBOL_UNUSED( pv );
/* Don't print stack trace if inside unwind, normal process termination or process killed or
during debugging */
if( p1->ExceptionNum != XCPT_UNWIND && p1->ExceptionNum < XCPT_BREAKPOINT )
{
char buffer[ HB_SYMBOL_NAME_LEN + HB_SYMBOL_NAME_LEN + 5 ];
char file[ _POSIX_PATH_MAX + 1 ];
USHORT uiLine;
int iLevel = 0;
fprintf( stderr, HB_I_("\nException %lx at address %p \n"), p1->ExceptionNum, p1->ExceptionAddress );
while( hb_procinfo( iLevel++, buffer, &uiLine, file ) )
fprintf( stderr, HB_I_("Called from %s(%hu)%s%s\n"), buffer, uiLine, *file ? HB_I_(" in ") : "", file );
}
return hb_cmdargCheck( "BATCH" ) ? XCPT_CONTINUE_STOP : XCPT_CONTINUE_SEARCH /* Exception not resolved... */;
}
#elif defined( HB_SIGNAL_EXCEPTION_HANDLER )
static void hb_signalExceptionHandler( int sig, siginfo_t * si, void * ucp )
{
char buffer[ 32 ];
const char * signame;
const char * sigaddr;
HB_SYMBOL_UNUSED( ucp );
switch( sig )
{
case SIGSEGV:
signame = "SIGSEGV";
hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
sigaddr = buffer;
break;
case SIGILL:
signame = "SIGILL";
hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
sigaddr = buffer;
break;
case SIGFPE:
signame = "SIGFPE";
hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
sigaddr = buffer;
break;
case SIGBUS:
signame = "SIGBUS";
hb_snprintf( buffer, sizeof( buffer ), "%p", si->si_addr );
sigaddr = buffer;
break;
default:
hb_snprintf( buffer, sizeof( buffer ), "sig:%d", sig );
signame = buffer;
sigaddr = "UNKNOWN";
break;
}
hb_errInternal( 6005, "Exception %s at address %s", signame, sigaddr );
}
#endif
void hb_vmSetExceptionHandler( void )
{
#if defined(HB_OS_WIN) && !defined(HB_OS_WIN_CE)
{
LPTOP_LEVEL_EXCEPTION_FILTER ef = SetUnhandledExceptionFilter( hb_win32ExceptionHandler );
HB_SYMBOL_UNUSED( ef );
}
#elif defined(HB_OS_OS2) /* Add OS2TermHandler to this thread's chain of exception handlers */
{
APIRET rc; /* Return code */
memset( &s_regRec, 0, sizeof( s_regRec ) );
s_regRec.ExceptionHandler = ( ERR ) hb_os2ExceptionHandler;
rc = DosSetExceptionHandler( &s_regRec );
if( rc != NO_ERROR )
hb_errInternal( HB_EI_ERRUNRECOV, "Unable to setup exception handler (DosSetExceptionHandler())", NULL, NULL );
}
#elif defined( HB_SIGNAL_EXCEPTION_HANDLER )
{
stack_t ss;
ss.ss_sp = ( void * ) s_signal_stack;
ss.ss_size = SIGSTKSZ;
ss.ss_flags = 0;
/* set alternative stack for SIGSEGV executed on stack overflow */
if( sigaltstack( &ss, NULL ) == 0 )
{
struct sigaction act;
int i, sigs[] = { SIGSEGV, SIGILL, SIGFPE, SIGBUS, 0 };
/* Ignore SIGPIPEs so they don't kill us. */
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
}