Source code of Windows XP (NT5)
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#include <windows.h>
#include <insignia.h>
#include <host_def.h>
/* Forced manually here for standalone variant of LCIF generator */
#define WITHSIZE
#define STAND_ALONE
/*[
* Name: dat2obj.c
* Author: Jerry Sexton (based on William Roberts' version for RS6000)
* SCCS ID:
*
* Created: 7/12/93
*
* Purpose:
* Convert thread.dat and online.dat into object files.
* Called from onGen.
*
* The input & output files will be found in SRC_OUT_DIR, which may be
* overridden using the GENERATOR_OUTPUT_DIRECTORY mechansim.
*
* (C) Copyright Insignia Solutions Ltd., 1993.
]*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//#include "gen_file.h"
//#include "host_clo.h"
/* Local defines. */
#define SYMSIZE sizeof(syms[0])
#define AUXSIZE sizeof(aux[0])
#define SECNAME ".data\0\0\0"
#ifdef STAND_ALONE
/* Variables needed for stand-alone version. */
LOCAL FILE *out_file;
#endif /* STAND_ALONE */
/*
* machineStrings and machineIds - valid environment strings and corresponding
* machine ID's. The two arrays must be edited in tandem.
*/
LOCAL CHAR *machineStrings[] =
{
"I860",
"I386",
"R3000",
"R4000",
"ALPHA",
"POWERPC",
"HPPA"
};
LOCAL IU16 machineIds[] =
{
#ifdef IMAGE_FILE_MACHINE_I860
IMAGE_FILE_MACHINE_I860,
#else
0xAAA,
#endif
IMAGE_FILE_MACHINE_I386,
IMAGE_FILE_MACHINE_R3000,
IMAGE_FILE_MACHINE_R4000,
IMAGE_FILE_MACHINE_ALPHA,
#ifdef IMAGE_FILE_MACHINE_POWERPC
IMAGE_FILE_MACHINE_POWERPC,
#else
0x1F0,
#endif
0x290 /* HPPA currently has no define in ntimage.h */
};
#define MC_TAB_SIZE (sizeof(machineIds) / sizeof(machineIds[0]))
LOCAL IBOOL cUnderscore; /* Does target precede symbols with '_'. */
#ifdef STAND_ALONE
/*(
=============================== open_gen_file ==============================
PURPOSE:
Open output file if running stand alone.
INPUT:
file - output file path.
OUTPUT:
None.
============================================================================
)*/
LOCAL void open_gen_file IFN1(CHAR *, file)
{
out_file = fopen(file, "wb");
if (out_file == NULL)
{
printf("Could not open %s for writing.\n", out_file);
exit(-1);
}
}
/*(
============================== close_gen_file ==============================
PURPOSE:
Closes the output file if runnong stand-alone.
INPUT:
None.
OUTPUT:
None.
============================================================================
)*/
LOCAL void close_gen_file IFN0()
{
fclose(out_file);
}
/*(
============================== abort_gen_file ==============================
PURPOSE:
Aborts output if running stand-alone.
INPUT:
None.
OUTPUT:
None.
============================================================================
)*/
LOCAL void abort_gen_file IFN0()
{
printf("Output aborted.\n");
fclose(out_file);
exit(-1);
}
#endif /* STAND_ALONE */
/*(
=============================== getMachineId ===============================
PURPOSE:
Get the machine ID field either from the environment or compiler
defines.
INPUT:
None.
OUTPUT:
A 16-bit machine ID.
============================================================================
)*/
LOCAL IU16 getMachineId IFN0()
{
CHAR *mcstr,
*end;
IU32 i,
val;
IU16 machineId = IMAGE_FILE_MACHINE_UNKNOWN;
IBOOL gotMachineId = FALSE;
/*
* Order of priority is (highest priority first):
*
* COFF_MACHINE_ID environment variable, which can be a machine
* string (see machineStrings for valid strings) or a hex number.
*
* Machine type defined by compiler.
*
* Unknown machine type.
*/
/* See if an environmenet variable is set. */
mcstr = getenv("COFF_MACHINE_ID");
if (mcstr != NULL)
{
/* Check for a valid machine string. */
for (i = 0; i < MC_TAB_SIZE; i++)
{
if (strcmp(mcstr, machineStrings[i]) == 0)
break;
}
if (i < MC_TAB_SIZE)
{
/* Got a valid string. */
machineId = machineIds[i];
gotMachineId = TRUE;
}
else
{
/* Is environment variable a 16-bit hex number? */
val = strtoul(mcstr, &end, 16);
if ((*end == '\0') && (val < 0x10000))
{
machineId = (IU16) val;
gotMachineId = TRUE;
}
}
/* If environment variable not valid print possibilities. */
if (!gotMachineId)
{
printf("\n=========================================\n");
printf("COFF_MACHINE_ID=%s invalid\n", mcstr);
printf("Valid strings are -\n");
for (i = 0; i < MC_TAB_SIZE; i++)
printf("\t%s\n", machineStrings[i]);
printf("\n\tOR\n");
printf("\n\tA 16-bit hexadecimal number\n");
printf("=========================================\n\n");
}
}
/*
* Get the default machine type according to predefined compiler
* defines.
*/
if (!gotMachineId)
{
#ifdef _X86_
machineId = IMAGE_FILE_MACHINE_I386;
#endif /* _X86_ */
#ifdef _MIPS_
machineId = IMAGE_FILE_MACHINE_R4000;
#endif /* _MIPS_ */
#ifdef _PPC_
machineId = IMAGE_FILE_MACHINE_POWERPC;
#endif /* _PPC_ */
#ifdef ALPHA
machineId = IMAGE_FILE_MACHINE_ALPHA;
#endif /* ALPHA */
/* Empty brace if none of the above are defined. */
}
#ifndef PROD
printf("machineId = %#x\n", machineId);
#endif /* PROD */
return(machineId);
}
/*(
============================== getDatFileSize ==============================
PURPOSE:
Get the size of a data file.
INPUT:
infilepath - path to input file
len - address of variable to hold length
OUTPUT:
TRUE if length was successfully found,
FALSE otherwise.
============================================================================
)*/
LOCAL IBOOL getDatFileSize IFN2(CHAR *, infilepath, IU32 *, len)
{
HANDLE hInFile;
DWORD fileLen;
/* Get file size. */
hInFile = CreateFile(infilepath,
GENERIC_READ,
(DWORD) 0,
(LPSECURITY_ATTRIBUTES) NULL,
OPEN_EXISTING,
(DWORD) 0,
(HANDLE) NULL);
if (hInFile != INVALID_HANDLE_VALUE)
fileLen = GetFileSize(hInFile, (LPDWORD) NULL);
if ((hInFile == INVALID_HANDLE_VALUE) || (fileLen == 0xffffffff))
{
printf("Cannot get size of %s\n", infilepath);
return(FALSE);
}
if (CloseHandle(hInFile) == FALSE)
{
printf("CloseHandle on %s failed.\n", infilepath);
return(FALSE);
}
*len = (IU32) fileLen;
return(TRUE);
}
/*(
================================= dat2obj ==================================
PURPOSE:
Produce a COFF object file from an input data file.
INPUT:
label - data label name
datfile - data file name
machineId - 16-bit machine ID stamp
OUTPUT:
None.
============================================================================
)*/
LOCAL void dat2obj IFN3(char *, label, char *, datfile, IU16, machineId)
{
IMAGE_FILE_HEADER fhdr;
IMAGE_SECTION_HEADER shdr;
IMAGE_SYMBOL syms[2];
IMAGE_AUX_SYMBOL aux[2];
IU32 padding = 4;
CHAR labname[9]; /* 8 chars+terminator */
CHAR outfilename[11]; /* 8 chars+".o"+terminator */
CHAR infilepath[256];
CHAR buffer[BUFSIZ];
IU32 len,
count;
IS32 i;
FILE *infile;
if (cUnderscore)
{
labname[0] = '_';
strncpy(&labname[1], label, 7); /* will be padded with zeros */
}
else
{
strncpy(labname, label, 8); /* will be padded with zeros */
}
labname[8] = '\0';
sprintf(outfilename, "%s.obj", label);
sprintf(infilepath, "%s", datfile);
/* Get file size. */
if (getDatFileSize(infilepath, &len) == FALSE)
return;
/* construct the various headers */
fhdr.Machine = machineId;
fhdr.NumberOfSections = 1; /* .text */
fhdr.TimeDateStamp = 0; /* no timestamps here */
#ifdef WITHSIZE
/* We add the length of the input file for test purposes. */
fhdr.PointerToSymbolTable = sizeof(fhdr) + sizeof(shdr) + sizeof(len) +
len;
#else
fhdr.PointerToSymbolTable = sizeof(fhdr) + sizeof(shdr) + len;
#endif /* WITHSIZE */
fhdr.NumberOfSymbols = 3; /* Section + Aux. + Label */
fhdr.SizeOfOptionalHeader = 0; /* no optional headers */
fhdr.Characteristics =
IMAGE_FILE_LINE_NUMS_STRIPPED | /* No line numbers. */
IMAGE_FILE_32BIT_MACHINE; /* 32 bit word. */
/* no optional header */
memcpy(shdr.Name, SECNAME, 8);
shdr.Misc.PhysicalAddress = 0;
shdr.VirtualAddress = 0;
#ifdef WITHSIZE
/* We add the length of the input file for test purposes. */
shdr.SizeOfRawData = sizeof(len) + len;
#else
shdr.SizeOfRawData = len; /* assumed a multiple of 4 */
#endif /* WITHSIZE */
shdr.PointerToRawData = sizeof(fhdr) + sizeof(shdr);
shdr.PointerToRelocations = 0; /* no relocation information */
shdr.PointerToLinenumbers = 0; /* no line number information */
shdr.NumberOfRelocations = 0;
shdr.NumberOfLinenumbers = 0;
shdr.Characteristics =
IMAGE_SCN_CNT_INITIALIZED_DATA | /* Initialized data. */
IMAGE_SCN_ALIGN_4BYTES | /* Align4. */
IMAGE_SCN_MEM_READ | /* Read. */
IMAGE_SCN_MEM_WRITE; /* Write. */
/* 1st symbol. */
memcpy(syms[0].N.ShortName, SECNAME, 8);
syms[0].Value = 0;
syms[0].SectionNumber = 1; /* first section */
syms[0].Type = 0; /* notype */
syms[0].StorageClass = IMAGE_SYM_CLASS_STATIC; /* static */
syms[0].NumberOfAuxSymbols = 1;
/* 1st symbol auxiliary. */
#ifdef WITHSIZE
/* We add the length of the input file for test purposes. */
aux[0].Section.Length = sizeof(len) + len;
#else
aux[0].Section.Length = len;
#endif /* WITHSIZE */
aux[0].Section.NumberOfRelocations = 0;
aux[0].Section.NumberOfLinenumbers = 0;
aux[0].Section.CheckSum = 0;
aux[0].Section.Number = 0;
aux[0].Section.Selection = 0;
/* 2nd symbol. */
memcpy(syms[1].N.ShortName, labname, 8);
syms[1].Value = 0;
syms[1].SectionNumber = 1;
syms[1].Type = 0;
syms[1].StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
syms[1].NumberOfAuxSymbols = 0;
infile = fopen(infilepath, "rb");
if (infile == NULL) {
printf("Unable to open %s for reading\n", infilepath);
perror(infilepath);
return;
}
open_gen_file(outfilename);
if (out_file == stderr) {
return;
}
/* Write file header. */
fwrite(&fhdr, sizeof(fhdr), 1, out_file);
/* Write section header. */
fwrite(&shdr, sizeof(shdr), 1, out_file);
#ifdef WITHSIZE
/* Write size of file for test purposes. */
fwrite(&len, sizeof(len), 1, out_file);
#endif /* WITHSIZE */
/* Write data. */
count = 0;
do {
i = fread(buffer, 1, sizeof(buffer), infile);
if (i < 0) {
fprintf(stderr, "problem reading %s\n", infilepath);
perror(infilepath);
abort_gen_file();
}
fwrite(buffer, i, 1, out_file);
count += i;
} while (i > 0 && count < len);
/* Write first symbol. */
fwrite(&syms[0], SYMSIZE, 1, out_file);
fwrite(&aux[0], AUXSIZE, 1, out_file);
/* Write second symbol. */
fwrite(&syms[1], SYMSIZE, 1, out_file);
/* Write 04 00 00 00 to the end of the file. Don't know why this */
/* is necessary, but the linker complains on MIPS and Alpha if */
/* isn't there. */
fwrite(&padding, 4, 1, out_file);
fclose(infile);
close_gen_file();
}
#ifdef TEST_CASE
#ifndef PROD
LOCAL IU32 testdata[] = {
0x31415926,
0x11223344, 0x55667788, 0x99aabbcc, 0xddeeff00,
0x14142135 };
#endif
#endif
/*(
========================== host_convert_dat_files ==========================
PURPOSE:
Convert thread.dat and online.dat to COFF format.
INPUT:
None.
OUTPUT:
None.
============================================================================
)*/
#ifdef STAND_ALONE
LOCAL void
#else
GLOBAL void
#endif /* STAND_ALONE */
host_convert_dat_files IFN2(char *,src,char *,dest)
{
IU16 machineId;
/* Set underscore flag here if we are part of onGen. */
#ifndef STAND_ALONE
#ifdef C_NO_UL
cUnderscore = FALSE;
#else
cUnderscore = TRUE;
#endif /* C_NO_UL */
#endif /* !STAND_ALONE */
machineId = getMachineId();
dat2obj(dest, src, machineId);
//dat2obj("onsub", "online.dat", machineId);
#ifdef TEST_CASE
#ifndef PROD
/* Generate a specimen .dat file which we could write as
* a .s file and compile directly: helpful for debugging.
*/
open_gen_file("test.dat");
if (out_file == stderr) {
return;
}
fwrite(&testdata, sizeof(testdata), 1, out_file);
close_gen_file();
dat2obj("testd", "test.dat", machineId);
#endif
#endif
}
#ifdef STAND_ALONE
/*(
=================================== main ===================================
PURPOSE:
Wrapper for host_convert_dat_files if running stand-alone
============================================================================
)*/
__cdecl main(int argc, char *argv[])
{
IBOOL argerr = FALSE;
/*
* Source file is the full filename of the lcif file
* dest file/name is the name for the .obj and the symbol name within it
* one optional argument, -u, which specifies that 'C' symbols should
* be preceded by '_'.
*/
switch (argc)
{
case 3:
cUnderscore = FALSE;
break;
case 4:
if (strcmp(argv[argc-1], "-u") == 0)
cUnderscore = TRUE;
else
argerr = TRUE;
break;
default:
argerr = TRUE;
break;
}
if (argerr)
{
printf("Usage - dat2obj <sourcefile> <dest file/name> [-u]\n");
printf("\t-u - precede symbols with '_'\n");
printf("\t<sourcefile> is the full pathname for the input lcif\n");
printf("\t<dest file/name> is the dest name without the .obj and\n");
printf("\t\t\tis the name of the symbol within the .obj file\n");
return(-1);
}
host_convert_dat_files(argv[1],argv[2]);
return(0);
}
#endif /* STAND_ALONE */