mirror of
https://github.com/reactos/reactos.git
synced 2024-11-02 21:09:15 +00:00
380 lines
10 KiB
C
380 lines
10 KiB
C
/* $Id: mksystab.c,v 1.2 2003/12/21 20:11:46 ea Exp $
|
|
*
|
|
* PROJECT : ReactOS / POSIX+ Subsystem
|
|
* DESCRIPTION: Build the system calls table for
|
|
* DESCRIPTION: the POSIX+ LPC server process.
|
|
* NOTE : this code is supposed to be portable.
|
|
* AUTHOR : Emanuele Aliberti
|
|
* DATE : 2001-05-26
|
|
* REVISIONS
|
|
* 2002-03-19 EA added stub file generation
|
|
* 2002-04-06 EA added to the CVS repository
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#define PARSER_CONTEXT_LINE_SIZE 1024
|
|
#define PARSER_CONTEXT_INTERFACE_SIZE 64
|
|
|
|
const char * myname = "mksystab";
|
|
|
|
const char * syscall_name_prefix = "syscall_";
|
|
const char * proxy_name_prefix = "psxss_";
|
|
|
|
typedef enum {
|
|
METHOD_SUCCESS,
|
|
METHOD_EOF,
|
|
METHOD_FAILURE
|
|
} METHOD_TYPE;
|
|
|
|
typedef struct _PARSER_CONTEXT
|
|
{
|
|
int line_number;
|
|
int id;
|
|
char line [PARSER_CONTEXT_LINE_SIZE];
|
|
char status;
|
|
char interface [PARSER_CONTEXT_INTERFACE_SIZE];
|
|
int argc;
|
|
|
|
} PARSER_CONTEXT, * PPARSER_CONTEXT;
|
|
|
|
typedef struct _MFILE
|
|
{
|
|
char * name;
|
|
FILE * fp;
|
|
char * fopen_mode;
|
|
METHOD_TYPE (*prologue)(int,PPARSER_CONTEXT);
|
|
METHOD_TYPE (*iter)(int,PPARSER_CONTEXT);
|
|
METHOD_TYPE (*epilog)(int,PPARSER_CONTEXT);
|
|
|
|
} MFILE, * PMFILE;
|
|
|
|
/* MFILE file table */
|
|
|
|
METHOD_TYPE db_prologue (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE db_iter (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE db_epilog (int self, PPARSER_CONTEXT context);
|
|
|
|
METHOD_TYPE systab_prologue (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE systab_iter (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE systab_epilog (int self, PPARSER_CONTEXT context);
|
|
|
|
METHOD_TYPE psx_include_prologue (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE psx_include_iter (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE psx_include_epilog (int self, PPARSER_CONTEXT context);
|
|
|
|
METHOD_TYPE server_include_prologue (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE server_include_iter (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE server_include_epilog (int self, PPARSER_CONTEXT context);
|
|
|
|
METHOD_TYPE stubs_prologue (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE stubs_iter (int self, PPARSER_CONTEXT context);
|
|
METHOD_TYPE stubs_epilog (int self, PPARSER_CONTEXT context);
|
|
|
|
|
|
MFILE mf [] =
|
|
{
|
|
{ NULL, NULL, "r", db_prologue, db_iter, db_epilog }, /* it must be 1st */
|
|
{ NULL, NULL, "w", systab_prologue, systab_iter, systab_epilog },
|
|
{ NULL, NULL, "w", server_include_prologue, server_include_iter, server_include_epilog },
|
|
{ NULL, NULL, "w", psx_include_prologue, psx_include_iter, psx_include_epilog },
|
|
{ NULL, NULL, "w", stubs_prologue, stubs_iter, stubs_epilog }
|
|
};
|
|
|
|
|
|
/* mf objects methods */
|
|
|
|
int mf_open (int index)
|
|
{
|
|
mf [index].fp = fopen (mf [index].name, mf [index].fopen_mode);
|
|
if (NULL == mf [index].fp)
|
|
{
|
|
fprintf (stderr, "%s: error %d while opening \"%s\".", myname, errno, mf [index].name);
|
|
return METHOD_FAILURE;
|
|
}
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
void mf_close (int index)
|
|
{
|
|
fclose (mf[index].fp);
|
|
}
|
|
|
|
/* db file methods */
|
|
|
|
METHOD_TYPE db_prologue (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if (METHOD_FAILURE == mf_open (self))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
fprintf (stderr, "Processing \"%s\"...\n", mf [self].name);
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE db_iter (int self, PPARSER_CONTEXT context)
|
|
{
|
|
char * eol;
|
|
|
|
do
|
|
{
|
|
if (feof(mf [self].fp))
|
|
{
|
|
return METHOD_EOF;
|
|
}
|
|
if (NULL == fgets (context->line, PARSER_CONTEXT_LINE_SIZE, mf [self].fp))
|
|
{
|
|
return METHOD_EOF;
|
|
}
|
|
++ context->line_number;
|
|
eol = strchr(context->line, '\n');
|
|
if (eol)
|
|
{
|
|
*eol = '\0';
|
|
}
|
|
/* Is line empty or a comment? */
|
|
} while (0 == strlen (context->line) || context->line[0] == '#');
|
|
/* Line is not a comment nor an empty line */
|
|
if (3 != sscanf (context->line, "%c%s%d", & context->status, context->interface, & context->argc))
|
|
{
|
|
fprintf (stderr, "Syntax error at line %d.\n", context->line_number);
|
|
return METHOD_FAILURE;
|
|
}
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE db_epilog (int self, PPARSER_CONTEXT context)
|
|
{
|
|
mf_close (self);
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
/* systab file methods */
|
|
|
|
METHOD_TYPE systab_prologue (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if (METHOD_FAILURE == mf_open (self))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
|
|
fprintf (mf[self].fp, "#include <psxss.h>\n");
|
|
fprintf (mf[self].fp, "#include <syscall.h>\n");
|
|
fprintf (mf[self].fp, "PSX_SYSTEM_CALL SystemCall [] =\n");
|
|
fprintf (mf[self].fp, "{\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE systab_iter (int self, PPARSER_CONTEXT context)
|
|
{
|
|
switch (context->status)
|
|
{
|
|
case '+':
|
|
case '-': /* unimplemented interface */
|
|
fprintf (mf[self].fp, "(void*)%s%s,\n", syscall_name_prefix, context->interface);
|
|
break;
|
|
default:
|
|
fprintf (stderr, "%s: unknown interface status \"%c\" at line %d.\n",
|
|
myname, context->status, context->line_number);
|
|
return METHOD_FAILURE;
|
|
}
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE systab_epilog (int self, PPARSER_CONTEXT context)
|
|
{
|
|
fprintf (mf[self].fp, "0\n};\n");
|
|
fprintf (mf[self].fp, "/* EOF */\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
|
|
/* server/include file methods */
|
|
|
|
METHOD_TYPE server_include_prologue (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if (METHOD_FAILURE == mf_open (self))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
|
|
fprintf (mf[self].fp, "#ifndef _SERVER_SYSCALL_H\n");
|
|
fprintf (mf[self].fp, "#define _SERVER_SYSCALL_H\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE server_include_iter (int self, PPARSER_CONTEXT context)
|
|
{
|
|
char interface [PARSER_CONTEXT_INTERFACE_SIZE*2];
|
|
|
|
sprintf (interface, "%s%s", syscall_name_prefix, context->interface);
|
|
fprintf (mf[self].fp, "NTSTATUS STDCALL %s (PPSX_MAX_MESSAGE);\n", interface);
|
|
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE server_include_epilog (int self, PPARSER_CONTEXT context)
|
|
{
|
|
fprintf (mf[self].fp, "#endif /* ndef _SERVER_SYSCALL_H */\n");
|
|
fprintf (mf[self].fp, "/* EOF */\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
|
|
/* psx/include file methods */
|
|
|
|
METHOD_TYPE psx_include_prologue (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if (METHOD_FAILURE == mf_open (self))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
fprintf (mf[self].fp, "/* POSIX+ system calls (machine generated: do not edit!) */\n");
|
|
fprintf (mf[self].fp, "#ifndef _PSX_SYSCALL_H\n");
|
|
fprintf (mf[self].fp, "#define _PSX_SYSCALL_H\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE psx_include_iter (int self, PPARSER_CONTEXT context)
|
|
{
|
|
char interface [PARSER_CONTEXT_INTERFACE_SIZE*2];
|
|
|
|
sprintf (interface, "%s%s", proxy_name_prefix, context->interface);
|
|
fprintf (mf[self].fp, "#define %s %d\n", strupr(interface), context->id ++);
|
|
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE psx_include_epilog (int self, PPARSER_CONTEXT context)
|
|
{
|
|
fprintf (mf[self].fp, "#define PSX_SYSCALL_APIPORT_COUNT %d\n", context->id ++);
|
|
fprintf (mf[self].fp, "#endif /* ndef _PSX_SYSCALL_H */\n");
|
|
fprintf (mf[self].fp, "/* EOF */\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
|
|
/* stubs file methods */
|
|
|
|
METHOD_TYPE stubs_prologue (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if (METHOD_FAILURE == mf_open (self))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
fprintf( mf[self].fp,
|
|
"/* POSIX+ system calls not yet implemented */\n"
|
|
"/* (machine generated: do not edit!) */\n"
|
|
"#include <psxss.h>\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE stubs_iter (int self, PPARSER_CONTEXT context)
|
|
{
|
|
if ('-' == context->status)
|
|
{
|
|
fprintf (
|
|
mf[self].fp,
|
|
"NTSTATUS STDCALL %s%s(PPSX_MAX_MESSAGE Msg){Msg->PsxHeader.Status=STATUS_NOT_IMPLEMENTED;return(STATUS_SUCCESS);}\n",
|
|
syscall_name_prefix,
|
|
context->interface
|
|
);
|
|
}
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
METHOD_TYPE stubs_epilog (int self, PPARSER_CONTEXT context)
|
|
{
|
|
fprintf (mf[self].fp, "/* EOF */\n");
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
|
|
/* main loop */
|
|
|
|
METHOD_TYPE mksystab ()
|
|
{
|
|
int index;
|
|
int index_top = (sizeof mf / sizeof mf[0]);
|
|
int iterate = 1;
|
|
PARSER_CONTEXT context;
|
|
METHOD_TYPE mt;
|
|
|
|
/* initialize the parser's context */
|
|
context.line_number = 0;
|
|
context.id = 0;
|
|
|
|
/* prologue */
|
|
for (index = 0; index < index_top; index ++)
|
|
{
|
|
if (METHOD_FAILURE == mf[index].prologue (index, & context))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
}
|
|
/* iter */
|
|
while (iterate)
|
|
{
|
|
for (index = 0; index < index_top; index ++)
|
|
{
|
|
mt = mf[index].iter (index, & context);
|
|
if (METHOD_EOF == mt)
|
|
{
|
|
if (0 == index) /* input MUST be 1st MFILE */
|
|
{
|
|
iterate = 0;
|
|
break; /* input reached EOF */
|
|
}
|
|
return METHOD_FAILURE;
|
|
}
|
|
else if (METHOD_FAILURE == mt)
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
}
|
|
}
|
|
/* epilog */
|
|
for (index = 0; index < index_top; index ++)
|
|
{
|
|
if (METHOD_FAILURE == mf[index].epilog (index, & context))
|
|
{
|
|
return METHOD_FAILURE;
|
|
}
|
|
}
|
|
|
|
/* done */
|
|
return METHOD_SUCCESS;
|
|
}
|
|
|
|
/* entry point */
|
|
|
|
int main (int argc, char **argv)
|
|
{
|
|
int status = 0;
|
|
int index;
|
|
|
|
/* Check user parameters */
|
|
if ((1 + (sizeof mf / sizeof (MFILE))) != argc)
|
|
{
|
|
printf ("ReactOS Operating System - POSIX+ Environment Subsystem\n");
|
|
printf ("Build the system calls table of the POSIX+ server.\n\n");
|
|
printf ("usage: %s syscall.db syscall.c syscall.h syscall.h stubs.c\n", argv[0]);
|
|
exit (METHOD_FAILURE);
|
|
}
|
|
/* initialize descriptors */
|
|
for (index = 0; index < (sizeof mf / sizeof mf[0]); index ++)
|
|
{
|
|
mf [index].name = argv [index + 1];
|
|
}
|
|
|
|
/* do process them */
|
|
status = mksystab ();
|
|
|
|
return (status);
|
|
}
|
|
|
|
|
|
/* EOF */
|