KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q104677: BUG: H2INC Versions 1.0 and 1.1 Do Not Support _syscall

Article: Q104677
Product(s): Microsoft C Compiler
Version(s): OS/2:1.0; winnt:1.0,1.1,1.11
Operating System(s): 
Keyword(s): 
Last Modified: 27-JUL-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Macro Assembler (MASM), versions 1.0, 1.1, 1.11 
-------------------------------------------------------------------------------

SYMPTOMS
========

The Microsoft C to MASM include file translator (H2INC) does not support
function prototypes using _syscall. When the sample below is translated, H2INC
produces:

  warning HI4820: ignoring function definition : _syscall()
  error HI2061: syntax error : identifier 'func1'

STATUS
======

Microsoft has confirmed this to be a problem in H2INC versions 1.0, 1.1, and
1.11. We are researching this problem and will post new information here in the
Microsoft Knowledge Base as it becomes available.

MORE INFORMATION
================

Page 448 of the "Microsoft Macro Assembler Programmer's Guide" manual for MASM
6.0 and page 649 of the "Environment and Tools" manual for MASM 6.1 state that
_syscall is accepted; however, H2INC generates errors when it encounters
prototypes containing these keywords.

Sample Code
-----------

  /* Command line options needed: none
  */ 
  int _syscall func1 (int x);

Additional query words: 6.00 6.00a 6.00b 6.10 1.00 1.10 buglist1.00 buglist1.10 buglist1.11

======================================================================
Keywords          :  
Technology        : kbMASMsearch kbAudDeveloper kbMASM100
Version           : OS/2:1.0; winnt:1.0,1.1,1.11

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.