FreeCalypso > hg > freecalypso-reveng

annotate dspanal/coffout.c @ 320:20feaf83c661

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frbl/reconst/convert.c: better match to original object still not perfect though
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Mar 2020 05:01:14 +0000
parents 493f73198267
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 #include <sys/types.h>
f8344bc4fd61 dspanal: char2coff utility written, compiles
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2 #include <stdio.h>
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3 #include <stdint.h>
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4 #include <stdlib.h>
f8344bc4fd61 dspanal: char2coff utility written, compiles
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5 #include "coffout.h"
f8344bc4fd61 dspanal: char2coff utility written, compiles
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6
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Mychaela Falconia <falcon@freecalypso.org>
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7 static FILE *outF;
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8
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9 static void
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10 write16(val)
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11 unsigned val;
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12 {
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13 putc(val, outF);
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14 putc(val >> 8, outF);
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15 }
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16
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17 static void
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18 write32(val)
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Mychaela Falconia <falcon@freecalypso.org>
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19 unsigned val;
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20 {
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21 putc(val, outF);
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22 putc(val >> 8, outF);
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Mychaela Falconia <falcon@freecalypso.org>
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23 putc(val >> 16, outF);
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24 putc(val >> 24, outF);
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25 }
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26
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27 emit_coff_output(filename, sections, nsect)
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Mychaela Falconia <falcon@freecalypso.org>
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28 char *filename;
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Mychaela Falconia <falcon@freecalypso.org>
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29 struct coff_section *sections;
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Mychaela Falconia <falcon@freecalypso.org>
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30 unsigned nsect;
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Mychaela Falconia <falcon@freecalypso.org>
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31 {
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Mychaela Falconia <falcon@freecalypso.org>
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32 uint32_t dataptr;
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Mychaela Falconia <falcon@freecalypso.org>
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33 unsigned n;
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Mychaela Falconia <falcon@freecalypso.org>
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34 char section_name[32];
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Mychaela Falconia <falcon@freecalypso.org>
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35
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36 outF = fopen(filename, "w");
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Mychaela Falconia <falcon@freecalypso.org>
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37 if (!outF) {
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Mychaela Falconia <falcon@freecalypso.org>
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38 perror(filename);
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39 exit(1);
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40 }
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Mychaela Falconia <falcon@freecalypso.org>
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41 write16(0x00C1);
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Mychaela Falconia <falcon@freecalypso.org>
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42 write16(nsect);
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Mychaela Falconia <falcon@freecalypso.org>
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43 write32(0);
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Mychaela Falconia <falcon@freecalypso.org>
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44 write32(0);
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45 write32(0);
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Mychaela Falconia <falcon@freecalypso.org>
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46 write16(0);
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Mychaela Falconia <falcon@freecalypso.org>
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47 write16(0x0117);
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Mychaela Falconia <falcon@freecalypso.org>
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48 write16(0x0098);
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493f73198267 dspanal: char2coff works now
Mychaela Falconia <falcon@freecalypso.org>
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49 dataptr = 0x16 + 0x28 * nsect;
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f8344bc4fd61 dspanal: char2coff utility written, compiles
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50 for (n = 0; n < nsect; n++) {
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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51 sprintf(section_name, "chunk%03u", n);
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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52 fwrite(section_name, 1, 8, outF);
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Mychaela Falconia <falcon@freecalypso.org>
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53 write32(sections[n].addr);
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54 write32(sections[n].addr);
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Mychaela Falconia <falcon@freecalypso.org>
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55 write32(sections[n].size);
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56 write32(dataptr);
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Mychaela Falconia <falcon@freecalypso.org>
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57 dataptr += sections[n].size << 1;
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Mychaela Falconia <falcon@freecalypso.org>
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58 write32(0);
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Mychaela Falconia <falcon@freecalypso.org>
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59 write32(0);
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60 write32(0);
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Mychaela Falconia <falcon@freecalypso.org>
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61 write16(sections[n].flags);
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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62 putc(0, outF);
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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63 putc(sections[n].mempage, outF);
f8344bc4fd61 dspanal: char2coff utility written, compiles
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64 }
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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65 for (n = 0; n < nsect; n++)
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Mychaela Falconia <falcon@freecalypso.org>
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66 fwrite(sections[n].data, 2, sections[n].size, outF);
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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67 fclose(outF);
f8344bc4fd61 dspanal: char2coff utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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68 return(0);
f8344bc4fd61 dspanal: char2coff utility written, compiles
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69 }