* fixes for smartlinking

This commit is contained in:
peter 1998-12-28 23:30:11 +00:00
parent c7637424cf
commit e2904b82a1

View File

@ -28,11 +28,9 @@ interface
{ include heap support headers }
{$I heaph.inc}
{ifdef debug removed (PM)}
{$ifdef i386}
{$define Set_i386_Exception_handler}
{$define Set_i386_Exception_handler}
{$endif i386}
{endif debug}
const
{ Default filehandles }
@ -711,48 +709,66 @@ end;
{$endif}
procedure install_exception_handlers;forward;
{$ASMMODE DIRECT}
var
var
{ value of the stack segment
to check if the call stack can be written on exceptions }
_SS : longint;
procedure Exe_entry;[public, alias : '_FPC_EXE_Entry'];
begin
IsLibrary:=false;
{ install the handlers for exe only ?
or should we install them for DLL also ? (PM) }
install_exception_handlers;
{ This strange construction is needed to solve the _SS problem
with a smartlinked syswin32 (PFV) }
{$ASMMODE ATT}
asm
pushl %ebp
xorl %ebp,%ebp
movw %ss,%bp
movl %ebp,__SS
movl %ebp,_SS
xorl %ebp,%ebp
end;
{$ASMMODE DIRECT}
asm
call PASCALMAIN
popl %ebp
end;
{ if we pass here there was no error ! }
ExitProcess(0);
end;
procedure Dll_entry;[public, alias : '_FPC_DLL_Entry'];
begin
IsLibrary:=true;
case DLLreason of
1,2 : asm
xorl %edi,%edi
movw %ss,%di
movl %edi,__SS
call PASCALMAIN
end;
1,2 :
begin
{$ASMMODE ATT}
asm
xorl %edi,%edi
movw %ss,%di
movl %edi,_SS
end;
{$ASMMODE DIRECT}
asm
call PASCALMAIN
end;
end
else
asm
begin
asm
call FPC_DO_EXIT
end;
end;
end;
end;
end;
{$ASMMODE ATT}
{$ifdef Set_i386_Exception_handler}
@ -828,7 +844,7 @@ const
TCONTEXT = CONTEXT;
PCONTEXT = ^CONTEXT;
type pexception_record = ^exception_record;
EXCEPTION_RECORD = record
ExceptionCode : longint;
@ -847,11 +863,11 @@ type pexception_record = ^exception_record;
{ type of functions that should be used for exception handling }
LPTOP_LEVEL_EXCEPTION_FILTER = function(excep :PEXCEPTION_POINTERS) : longint;
function SetUnhandledExceptionFilter(lpTopLevelExceptionFilter : LPTOP_LEVEL_EXCEPTION_FILTER)
: LPTOP_LEVEL_EXCEPTION_FILTER;
external 'kernel32' name 'SetUnhandledExceptionFilter';
function syswin32_i386_exception_handler(excep :PEXCEPTION_POINTERS) : longint;
var frame : longint;
begin
@ -893,29 +909,27 @@ type pexception_record = ^exception_record;
{EXCEPTION_INVALID_DISPOSITION = $c0000026;}
end;
end;
var
old_exception : LPTOP_LEVEL_EXCEPTION_FILTER;
procedure install_exception_handlers;
begin
old_exception:=SetUnhandledExceptionFilter(@syswin32_i386_exception_handler);
end;
{$else not i386 (Processor specific !!)}
procedure install_exception_handlers;
begin
end;
{$endif Set_i386_Exception_handler}
const
Exe_entry_code : pointer = @Exe_entry;
Dll_entry_code : pointer = @Dll_entry;
{$ASMMODE ATT}
const
Exe_entry_code : pointer = @Exe_entry;
Dll_entry_code : pointer = @Dll_entry;
begin
{ get some helpful informations }
@ -952,7 +966,10 @@ end.
{
$Log$
Revision 1.31 1998-12-28 15:50:51 peter
Revision 1.32 1998-12-28 23:30:11 peter
* fixes for smartlinking
Revision 1.31 1998/12/28 15:50:51 peter
+ stdout, which is needed when you write something in the system unit
to the screen. Like the runtime error