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