84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
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/*
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* Copyright 2001 IBM Corp
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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extern long ce_exec_config[];
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int main(int argc, char *argv[])
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{
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int i, cnt, pos, len;
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unsigned int cksum, val;
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unsigned char *lp;
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unsigned char buf[8192];
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char *varname;
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if (argc != 2)
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{
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fprintf(stderr, "usage: %s name <in-file >out-file\n",
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argv[0]);
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exit(1);
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}
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varname = strrchr(argv[1], '/');
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if (varname)
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varname++;
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else
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varname = argv[1];
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fprintf(stdout, "#\n");
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fprintf(stdout, "# Miscellaneous data structures:\n");
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fprintf(stdout, "# WARNING - this file is automatically generated!\n");
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fprintf(stdout, "#\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "\t.data\n");
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fprintf(stdout, "\t.globl %s_data\n", varname);
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fprintf(stdout, "%s_data:\n", varname);
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pos = 0;
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cksum = 0;
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while ((len = read(0, buf, sizeof(buf))) > 0)
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{
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cnt = 0;
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lp = (unsigned char *)buf;
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len = (len + 3) & ~3; /* Round up to longwords */
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for (i = 0; i < len; i += 4)
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{
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if (cnt == 0)
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{
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fprintf(stdout, "\t.long\t");
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}
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fprintf(stdout, "0x%02X%02X%02X%02X", lp[0], lp[1], lp[2], lp[3]);
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val = *(unsigned long *)lp;
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cksum ^= val;
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lp += 4;
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if (++cnt == 4)
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{
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cnt = 0;
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fprintf(stdout, " # %x \n", pos+i-12);
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fflush(stdout);
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} else
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{
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fprintf(stdout, ",");
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}
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}
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if (cnt)
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{
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fprintf(stdout, "0\n");
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}
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pos += len;
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}
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fprintf(stdout, "\t.globl %s_len\n", varname);
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fprintf(stdout, "%s_len:\t.long\t0x%x\n", varname, pos);
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fflush(stdout);
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fclose(stdout);
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fprintf(stderr, "cksum = %x\n", cksum);
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exit(0);
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}
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