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[/] [open8_urisc/] [trunk/] [Open8 Tools/] [open8_src/] [open8_link/] [main.c] - Blame information for rev 178

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/*
 wlalink - part of wla dx gb-z80/z80/6502/65c02/6510/v8urisc/65816/huc6280/spc-700
 macro assembler package by ville helin <vhelin@iki.fi>. this is gpl software.
 */
 
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "defines.h"
#include "main.h"
#include "memory.h"
#include "files.h"
#include "check.h"
#include "analyze.h"
#include "write.h"
#include "compute.h"
#include "discard.h"
#include "listfile.h"
 
/* define this if you want to display debug information */
/*
#define _MAIN_DEBUG
*/
 
struct object_file *obj_first = NULL, *obj_last = NULL, *obj_tmp;
struct reference *reference_first = NULL, *reference_last = NULL;
struct section *sec_first = NULL, *sec_last = NULL, *sec_hd_first = NULL, *sec_hd_last = NULL;
struct stack *stacks_first = NULL, *stacks_last = NULL;
struct label *labels_first = NULL, *labels_last = NULL;
struct slot slots[256];
unsigned char *rom, *rom_usage, *file_header = NULL, *file_footer = NULL;
int romsize, rombanks, banksize, verbose_mode = OFF, section_overwrite = OFF, symbol_mode = SYMBOL_MODE_NONE;
int pc_bank, pc_full, pc_slot, pc_slot_max;
int file_header_size, file_footer_size, *banks = NULL, *bankaddress = NULL;
int output_mode = OUTPUT_ROM, discard_unreferenced_sections = OFF;
int program_start, program_end, sms_checksum, snes_rom_mode = SNES_ROM_MODE_LOROM, snes_rom_speed = SNES_ROM_SPEED_SLOWROM;
int gb_checksum, gb_complement_check, snes_checksum, cpu_65816 = 0, snes_mode = 0;
int listfile_data = NO, smc_status = 0, snes_sramsize = 0;
 
extern int emptyfill;
 
 
 
int main(int argc, char *argv[]) {
 
  int i, x, y, q, inz;
  struct section *s;
  float f;
 
 
  if (sizeof(double) != 8) {
    fprintf(stderr, "MAIN: sizeof(double) == %ld != 8. Open8_link will not work properly.\n", sizeof(double));
    return -1;
  }
 
  atexit(procedures_at_exit);
 
  i = SUCCEEDED;
  x = SUCCEEDED;
 
  if (argc > 1)
    x = parse_flags(argv[1]);
  else
    i = FAILED;
 
  if (x == FAILED && argc != 3)
    i = FAILED;
  if (x == SUCCEEDED && argc != 4)
    i = FAILED;
 
  if (i == FAILED) {
    printf("\nOpen8 Linker v0.9\n\n");
    printf("Based on WLA assembler by Ville Helin in 1998-2004\n");
    printf("Modified for V8 uRISC architecture by Bill Wiley\n");
    printf("Modified for Open8 uRISC architecture by Seth Henry\n\n");
    printf("USAGE: %s [-bdrvsS] <LINK FILE> <OUTPUT FILE>\n", argv[0]);
    printf("Options:\n");
    printf("b  Program file output\n");
    printf("d  Discard unreferenced sections\n");
    printf("i  Write list files\n");
    printf("r  ROM file output (default)\n");
    printf("v  Verbose messages\n");
    printf("s  Write also a NO$GMB symbol file\n");
    printf("S  Write also a WLA symbol file\n\n");
    return 0;
  }
 
  /* load files */
  if (load_files(argv, argc) == FAILED)
    return 1;
 
  /* check file types */
  if (check_file_types() == FAILED)
    return 1;
 
  /* check object headers */
  if (check_headers() == FAILED)
    return 1;
 
  /* obtain the amount of rom banks */
  if (obtain_rombanks() == FAILED)
    return 1;
 
  banks = malloc(sizeof(int) * rombanks);
  if (banks == NULL) {
    fprintf(stderr, "MAIN: Out of memory error.\n");
    return 1;
  }
  bankaddress = malloc(sizeof(int) * rombanks);
  if (bankaddress == NULL) {
    fprintf(stderr, "MAIN: Out of memory error.\n");
    return 1;
  }
 
  /* obtain rom bank map and check the project integrity */
  if (obtain_rombankmap() == FAILED)
    return 1;
 
  /* obtain memory map and check the project integrity */
  if (obtain_memorymap() == FAILED)
    return 1;
 
  /* calculate romsize */
  for (romsize = 0, x = 0; x < rombanks; x++)
    romsize += banks[x];
 
  /* obtain source file names used in compiling */
  if (obtain_source_file_names() == FAILED)
    return 1;
 
  /* collect all defines, labels and outside references */
  if (collect_dlr() == FAILED)
    return 1;
 
  /* take rom size and allocate memory */
  if (allocate_rom() == FAILED)
    return 1;
 
  /* parse data blocks */
  if (parse_data_blocks() == FAILED)
    return 1;
 
  /* clean up the structures */
  if (clean_up_dlr() == FAILED)
    return 1;
 
  /* drop all unreferenced sections */
  if (discard_unreferenced_sections == ON) {
    if (discard_unused_sections() == FAILED)
      return 1;
    /* remove dropped labels */
    discard_drop_labels();
  }
 
  /* correct 65816 library section addresses */
  if (cpu_65816 != 0) {
    if (correct_65816_library_sections() == FAILED)
      return 1;
  }
 
#ifdef _MAIN_DEBUG
  {
    printf("\n*********************************************\n");
    printf("JUST LOADED IN\n");
    printf("*********************************************\n\n");
  }
 
  {
    struct label *l;
 
    printf("LABELS:\n");
    l = labels_first;
    while (l != NULL) {
      printf("--------------------------------------\n");
      printf("name: \"%s\"\n", l->name);
      printf("sect: \"%d\"\n", l->section);
      printf("slot: \"%d\"\n", l->slot);
      printf("base: \"%d\"\n", l->base);
      printf("address: \"%d\"\n", (int)l->address);
      printf("status: \"%d\"\n", l->status);
      printf("file_id: \"%d\"\n", l->file_id);
      l = l->next;
    }
    printf("--------------------------------------\n");
  }
 
  {
    struct stack *s;
 
    printf("STACKS:\n");
    s = stacks_first;
    while (s != NULL) {
      printf("--------------------------------------\n");
      printf("result: \"%d\"\n", s->result);
      printf("id: \"%d\"\n", s->id);
      printf("file_id: \"%d\"\n", s->file_id);
      printf("bank: \"%d\"\n", s->bank);
      printf("linenumber: \"%d\"\n", s->linenumber);
      printf("type: \"%d\"\n", s->type);
      printf("position: \"%d\"\n", s->position);
      s = s->next;
    }
    printf("--------------------------------------\n");
  }
#endif
 
  /* insert sections */
  if (insert_sections() == FAILED)
    return 1;
 
#ifdef _MAIN_DEBUG
  {
    struct section *s;
 
    printf("SECTIONS:\n");
    s = sec_first;
    while (s != NULL) {
      printf("--------------------------------------\n");
      printf("file: \"%s\"\n", get_file_name(s->file_id));
      printf("name: \"%s\"\n", s->name);
      printf("id:   %d\n", s->id);
      printf("addr: %d\n", s->address);
      printf("stat: %d\n", s->status);
      printf("bank: %d\n", s->bank);
      printf("slot: %d\n", s->slot);
      printf("size: %d\n", s->size);
      s = s->next;
    }
    printf("--------------------------------------\n");
  }
#endif
 
  /* compute the labels' addresses */
  if (fix_labels() == FAILED)
    return 1;
 
  /* compute pending calculations */
  if (compute_pending_calculations() == FAILED)
    return 1;
 
#ifdef _MAIN_DEBUG
  {
    struct stack *s;
 
    printf("RESOLVED STACKS:\n");
    s = stacks_first;
    while (s != NULL) {
      printf("--------------------------------------\n");
      printf("result: \"%d\"\n", s->result);
      printf("id: \"%d\"\n", s->id);
      printf("file_id: \"%d\"\n", s->file_id);
      s = s->next;
    }
    printf("--------------------------------------\n");
  }
#endif
 
#ifdef _MAIN_DEBUG
  {
    struct reference *r;
 
    printf("REFERENCES:\n");
    r = reference_first;
    while (r != NULL) {
      printf("--------------------------------------\n");
      printf("name: \"%s\"\n", r->name);
      printf("file_id: \"%d\"\n", r->file_id);
      r = r->next;
    }
    printf("--------------------------------------\n");
  }
#endif
 
  /* transform computation stack definitions to ordinary definitions */
  if (transform_stack_definitions() == FAILED)
    return 1;
 
  /* fix references */
  if (fix_references() == FAILED)
    return 1;
 
  /* write checksums and other last minute data */
  if (compute_checksums() == FAILED)
    return 1;
 
  /* write rom file */
  if (write_rom_file(argv[argc - 1]) == FAILED)
    return 1;
 
#ifdef _MAIN_DEBUG
  {
    printf("\n*********************************************\n");
    printf("AFTER EVERYTHING\n");
    printf("*********************************************\n\n");
  }
 
  {
    struct label *l;
 
    printf("LABELS:\n");
    l = labels_first;
    while (l != NULL) {
      printf("--------------------------------------\n");
      printf("name: \"%s\"\n", l->name);
      printf("sect: \"%d\"\n", l->section);
      printf("slot: \"%d\"\n", l->slot);
      printf("base: \"%d\"\n", l->base);
      printf("address: \"%d\"\n", (int)l->address);
      printf("rom_address: \"%d\"\n", l->rom_address);
      printf("bank: \"%d\"\n", l->bank);
      printf("status: \"%d\"\n", l->status);
      printf("file_id: \"%d\"\n", l->file_id);
      l = l->next;
    }
    printf("--------------------------------------\n");
  }
#endif
 
  /* export symbolic information file */
  if (symbol_mode != SYMBOL_MODE_NONE) {
    if (write_symbol_file(argv[argc - 1], symbol_mode) == FAILED)
      return FAILED;
  }
 
  /* write list files */
  if (listfile_data == YES) {
    if (listfile_write_listfiles(sec_first) == FAILED)
      return FAILED;
  }
 
  /* show rom information */
  y = 0;
  if (verbose_mode == ON) {
    x = 0;
    for (i = 0; i < romsize; i++) {
      if (rom_usage[i] == 0 && x == 0) {
        x = 1;
        y = i;
      }
      else if (rom_usage[i] != 0 && x == 1) {
        if (y == (i - 1))
          fprintf(stderr, "Free space at $%.4x.\n", y);
        else
          fprintf(stderr, "Free space at $%.4x-$%.4x.\n", y, i - 1);
        x = 0;
      }
    }
 
    if (x == 1) {
      if (y == (i - 1))
        fprintf(stderr, "Free space at $%.4x.\n", y);
      else
        fprintf(stderr, "Free space at $%.4x-$%.4x.\n", y, i - 1);
    }
 
    for (y = 0, q = 0; y < romsize; q++) {
      for (x = 0, inz = 0; inz < banks[q]; inz++) {
        if (rom_usage[y++] == 0)
          x++;
      }
      f = (((float)x)/banks[q]) * 100.0f;
      if (f == 100.0f)
        printf("Bank %.2d has %.5d bytes (%.1f%%) free.\n", q, x, f);
      else
        printf("Bank %.2d has %.5d bytes (%.2f%%) free.\n", q, x, f);
    }
 
    /* ROM data */
    if (output_mode == OUTPUT_ROM) {
      for (i = 0, y = 0; i < romsize; i++) {
        if (rom_usage[i] == 0)
          y++;
      }
 
      fprintf(stderr, "%d unused bytes of total %d.\n", y, romsize);
      q = romsize;
    }
    /* program file data */
    else {
      for (i = program_start, y = 0; i < program_end; i++) {
        if (rom_usage[i] == 0)
          y++;
      }
 
      q = program_end - program_start + 1;
      fprintf(stderr, "%d unused bytes (%.2f%%) of total %d.\n", y, (((double)y) / q) * 100, q);
    }
 
    if (file_header_size != 0)
      fprintf(stderr, "File header size %d.\n", file_header_size);
    if (file_footer_size != 0)
      fprintf(stderr, "File footer size %d.\n", file_footer_size);
 
    if (smc_status != 0) {
      fprintf(stderr, "512 additional bytes from the SMC ROM header.\n");
      i = file_header_size + file_footer_size + 512;
    }
    else
      i = file_header_size + file_footer_size;
 
    s = sec_hd_first;
    while (s != NULL) {
      fprintf(stderr, "Bank %d header section size %d.\n", s->bank, s->size);
      i += s->size;
      s = s->next;
    }
 
    if (i != 0) {
      fprintf(stderr, "Total %d additional bytes (from headers and footers).\n", i);
      fprintf(stderr, "Total size %d bytes.\n", i + q);
    }
  }
 
  return 0;
}
 
 
void procedures_at_exit(void) {
 
  struct source_file_name *f, *fn;
  struct object_file *o;
  struct reference *r;
  struct section *s;
  struct stack *sta;
  struct label *l;
 
 
  /* free all the dynamically allocated data structures */
  while (obj_first != NULL) {
    f = obj_first->source_file_names_list;
    while (f != NULL) {
      if (f->name != NULL)
        free(f->name);
      fn = f->next;
      free(f);
      f = fn;
    }
    if (obj_first->data != NULL)
      free(obj_first->data);
    if (obj_first->name != NULL)
      free(obj_first->name);
    o = obj_first;
    obj_first = obj_first->next;
    free(o);
  }
 
  while (labels_first != NULL) {
    l = labels_first;
    labels_first = labels_first->next;
    free(l);
  }
 
  while (reference_first != NULL) {
    r = reference_first;
    reference_first = reference_first->next;
    free(r);
  }
 
  while (stacks_first != NULL) {
    sta = stacks_first->next;
    free(stacks_first->stack);
    free(stacks_first);
    stacks_first = sta;
  }
 
  while (sec_first != NULL) {
    s = sec_first->next;
    if (sec_first->listfile_cmds != NULL)
      free(sec_first->listfile_cmds);
    if (sec_first->listfile_ints != NULL)
      free(sec_first->listfile_ints);
    free(sec_first);
    sec_first = s;
  }
 
  while (sec_hd_first != NULL) {
    s = sec_hd_first->next;
    free(sec_hd_first);
    sec_hd_first = s;
  }
 
  if (banks != NULL)
    free(banks);
  if (bankaddress != NULL)
    free(bankaddress);
}
 
 
int parse_flags(char *f) {
 
  int l, output_mode_defined = 0;
 
 
  if (*f != '-')
    return FAILED;
 
  l = strlen(f);
  if (l == 1)
    return FAILED;
 
  for (f++, l--; l > 0; l--, f++) {
    switch (*f) {
    case 'v':
      verbose_mode = ON;
      continue;
    case 'i':
      listfile_data = YES;
      continue;
    case 's':
      symbol_mode = SYMBOL_MODE_NOCA5H;
      continue;
    case 'S':
      symbol_mode = SYMBOL_MODE_WLA;
      continue;
    case 'b':
      if (output_mode_defined == 1)
        return FAILED;
      output_mode_defined++;
      output_mode = OUTPUT_PRG;
      continue;
    case 'r':
      if (output_mode_defined == 1)
        return FAILED;
      output_mode_defined++;
      output_mode = OUTPUT_ROM;
      continue;
    case 'd':
      discard_unreferenced_sections = ON;
      continue;
    default:
      return FAILED;
    }
  }
 
  return SUCCEEDED;
}
 
 
int allocate_rom(void) {
 
  rom = malloc(sizeof(unsigned char) * romsize);
  if (rom == NULL) {
    fprintf(stderr, "ALLOCATE_ROM: Out of memory.\n");
    return FAILED;
  }
  rom_usage = malloc(sizeof(unsigned char) * romsize);
  if (rom_usage == NULL) {
    fprintf(stderr, "ALLOCATE_ROM: Out of memory.\n");
    return FAILED;
  }
  memset(rom, emptyfill, romsize);
  memset(rom_usage, 0, romsize);
 
  return SUCCEEDED;
}

Line No.	Rev	Author	Line
1	178	jshamlet
2			`/*`
3			`wlalink - part of wla dx gb-z80/z80/6502/65c02/6510/v8urisc/65816/huc6280/spc-700`
4			`macro assembler package by ville helin <vhelin@iki.fi>. this is gpl software.`
5			`*/`
6
7			`#include <ctype.h>`
8			`#include <stdio.h>`
9			`#include <stdlib.h>`
10			`#include <string.h>`
11
12			`#include "defines.h"`
13			`#include "main.h"`
14			`#include "memory.h"`
15			`#include "files.h"`
16			`#include "check.h"`
17			`#include "analyze.h"`
18			`#include "write.h"`
19			`#include "compute.h"`
20			`#include "discard.h"`
21			`#include "listfile.h"`
22
23			`/* define this if you want to display debug information */`
24			`/*`
25			`#define _MAIN_DEBUG`
26			`*/`
27
28			`struct object_file obj_first = NULL, obj_last = NULL, *obj_tmp;`
29			`struct reference reference_first = NULL, reference_last = NULL;`
30			`struct section sec_first = NULL, sec_last = NULL, sec_hd_first = NULL, sec_hd_last = NULL;`
31			`struct stack stacks_first = NULL, stacks_last = NULL;`
32			`struct label labels_first = NULL, labels_last = NULL;`
33			`struct slot slots[256];`
34			`unsigned char rom, rom_usage, file_header = NULL, file_footer = NULL;`
35			`int romsize, rombanks, banksize, verbose_mode = OFF, section_overwrite = OFF, symbol_mode = SYMBOL_MODE_NONE;`
36			`int pc_bank, pc_full, pc_slot, pc_slot_max;`
37			`int file_header_size, file_footer_size, banks = NULL, bankaddress = NULL;`
38			`int output_mode = OUTPUT_ROM, discard_unreferenced_sections = OFF;`
39			`int program_start, program_end, sms_checksum, snes_rom_mode = SNES_ROM_MODE_LOROM, snes_rom_speed = SNES_ROM_SPEED_SLOWROM;`
40			`int gb_checksum, gb_complement_check, snes_checksum, cpu_65816 = 0, snes_mode = 0;`
41			`int listfile_data = NO, smc_status = 0, snes_sramsize = 0;`
42
43			`extern int emptyfill;`
44
45
46
47			`int main(int argc, char *argv[]) {`
48
49			`int i, x, y, q, inz;`
50			`struct section *s;`
51			`float f;`
52
53
54			`if (sizeof(double) != 8) {`
55			`fprintf(stderr, "MAIN: sizeof(double) == %ld != 8. Open8_link will not work properly.\n", sizeof(double));`
56			`return -1;`
57			`}`
58
59			`atexit(procedures_at_exit);`
60
61			`i = SUCCEEDED;`
62			`x = SUCCEEDED;`
63
64			`if (argc > 1)`
65			`x = parse_flags(argv[1]);`
66			`else`
67			`i = FAILED;`
68
69			`if (x == FAILED && argc != 3)`
70			`i = FAILED;`
71			`if (x == SUCCEEDED && argc != 4)`
72			`i = FAILED;`
73
74			`if (i == FAILED) {`
75			`printf("\nOpen8 Linker v0.9\n\n");`
76			`printf("Based on WLA assembler by Ville Helin in 1998-2004\n");`
77			`printf("Modified for V8 uRISC architecture by Bill Wiley\n");`
78			`printf("Modified for Open8 uRISC architecture by Seth Henry\n\n");`
79			`printf("USAGE: %s [-bdrvsS] <LINK FILE> <OUTPUT FILE>\n", argv[0]);`
80			`printf("Options:\n");`
81			`printf("b Program file output\n");`
82			`printf("d Discard unreferenced sections\n");`
83			`printf("i Write list files\n");`
84			`printf("r ROM file output (default)\n");`
85			`printf("v Verbose messages\n");`
86			`printf("s Write also a NO$GMB symbol file\n");`
87			`printf("S Write also a WLA symbol file\n\n");`
88			`return 0;`
89			`}`
90
91			`/* load files */`
92			`if (load_files(argv, argc) == FAILED)`
93			`return 1;`
94
95			`/* check file types */`
96			`if (check_file_types() == FAILED)`
97			`return 1;`
98
99			`/* check object headers */`
100			`if (check_headers() == FAILED)`
101			`return 1;`
102
103			`/* obtain the amount of rom banks */`
104			`if (obtain_rombanks() == FAILED)`
105			`return 1;`
106
107			`banks = malloc(sizeof(int) * rombanks);`
108			`if (banks == NULL) {`
109			`fprintf(stderr, "MAIN: Out of memory error.\n");`
110			`return 1;`
111			`}`
112			`bankaddress = malloc(sizeof(int) * rombanks);`
113			`if (bankaddress == NULL) {`
114			`fprintf(stderr, "MAIN: Out of memory error.\n");`
115			`return 1;`
116			`}`
117
118			`/* obtain rom bank map and check the project integrity */`
119			`if (obtain_rombankmap() == FAILED)`
120			`return 1;`
121
122			`/* obtain memory map and check the project integrity */`
123			`if (obtain_memorymap() == FAILED)`
124			`return 1;`
125
126			`/* calculate romsize */`
127			`for (romsize = 0, x = 0; x < rombanks; x++)`
128			`romsize += banks[x];`
129
130			`/* obtain source file names used in compiling */`
131			`if (obtain_source_file_names() == FAILED)`
132			`return 1;`
133
134			`/* collect all defines, labels and outside references */`
135			`if (collect_dlr() == FAILED)`
136			`return 1;`
137
138			`/* take rom size and allocate memory */`
139			`if (allocate_rom() == FAILED)`
140			`return 1;`
141
142			`/* parse data blocks */`
143			`if (parse_data_blocks() == FAILED)`
144			`return 1;`
145
146			`/* clean up the structures */`
147			`if (clean_up_dlr() == FAILED)`
148			`return 1;`
149
150			`/* drop all unreferenced sections */`
151			`if (discard_unreferenced_sections == ON) {`
152			`if (discard_unused_sections() == FAILED)`
153			`return 1;`
154			`/* remove dropped labels */`
155			`discard_drop_labels();`
156			`}`
157
158			`/* correct 65816 library section addresses */`
159			`if (cpu_65816 != 0) {`
160			`if (correct_65816_library_sections() == FAILED)`
161			`return 1;`
162			`}`
163
164			`#ifdef _MAIN_DEBUG`
165			`{`
166			`printf("\n*********************************************\n");`
167			`printf("JUST LOADED IN\n");`
168			`printf("*********************************************\n\n");`
169			`}`
170
171			`{`
172			`struct label *l;`
173
174			`printf("LABELS:\n");`
175			`l = labels_first;`
176			`while (l != NULL) {`
177			`printf("--------------------------------------\n");`
178			`printf("name: \"%s\"\n", l->name);`
179			`printf("sect: \"%d\"\n", l->section);`
180			`printf("slot: \"%d\"\n", l->slot);`
181			`printf("base: \"%d\"\n", l->base);`
182			`printf("address: \"%d\"\n", (int)l->address);`
183			`printf("status: \"%d\"\n", l->status);`
184			`printf("file_id: \"%d\"\n", l->file_id);`
185			`l = l->next;`
186			`}`
187			`printf("--------------------------------------\n");`
188			`}`
189
190			`{`
191			`struct stack *s;`
192
193			`printf("STACKS:\n");`
194			`s = stacks_first;`
195			`while (s != NULL) {`
196			`printf("--------------------------------------\n");`
197			`printf("result: \"%d\"\n", s->result);`
198			`printf("id: \"%d\"\n", s->id);`
199			`printf("file_id: \"%d\"\n", s->file_id);`
200			`printf("bank: \"%d\"\n", s->bank);`
201			`printf("linenumber: \"%d\"\n", s->linenumber);`
202			`printf("type: \"%d\"\n", s->type);`
203			`printf("position: \"%d\"\n", s->position);`
204			`s = s->next;`
205			`}`
206			`printf("--------------------------------------\n");`
207			`}`
208			`#endif`
209
210			`/* insert sections */`
211			`if (insert_sections() == FAILED)`
212			`return 1;`
213
214			`#ifdef _MAIN_DEBUG`
215			`{`
216			`struct section *s;`
217
218			`printf("SECTIONS:\n");`
219			`s = sec_first;`
220			`while (s != NULL) {`
221			`printf("--------------------------------------\n");`
222			`printf("file: \"%s\"\n", get_file_name(s->file_id));`
223			`printf("name: \"%s\"\n", s->name);`
224			`printf("id: %d\n", s->id);`
225			`printf("addr: %d\n", s->address);`
226			`printf("stat: %d\n", s->status);`
227			`printf("bank: %d\n", s->bank);`
228			`printf("slot: %d\n", s->slot);`
229			`printf("size: %d\n", s->size);`
230			`s = s->next;`
231			`}`
232			`printf("--------------------------------------\n");`
233			`}`
234			`#endif`
235
236			`/* compute the labels' addresses */`
237			`if (fix_labels() == FAILED)`
238			`return 1;`
239
240			`/* compute pending calculations */`
241			`if (compute_pending_calculations() == FAILED)`
242			`return 1;`
243
244			`#ifdef _MAIN_DEBUG`
245			`{`
246			`struct stack *s;`
247
248			`printf("RESOLVED STACKS:\n");`
249			`s = stacks_first;`
250			`while (s != NULL) {`
251			`printf("--------------------------------------\n");`
252			`printf("result: \"%d\"\n", s->result);`
253			`printf("id: \"%d\"\n", s->id);`
254			`printf("file_id: \"%d\"\n", s->file_id);`
255			`s = s->next;`
256			`}`
257			`printf("--------------------------------------\n");`
258			`}`
259			`#endif`
260
261			`#ifdef _MAIN_DEBUG`
262			`{`
263			`struct reference *r;`
264
265			`printf("REFERENCES:\n");`
266			`r = reference_first;`
267			`while (r != NULL) {`
268			`printf("--------------------------------------\n");`
269			`printf("name: \"%s\"\n", r->name);`
270			`printf("file_id: \"%d\"\n", r->file_id);`
271			`r = r->next;`
272			`}`
273			`printf("--------------------------------------\n");`
274			`}`
275			`#endif`
276
277			`/* transform computation stack definitions to ordinary definitions */`
278			`if (transform_stack_definitions() == FAILED)`
279			`return 1;`
280
281			`/* fix references */`
282			`if (fix_references() == FAILED)`
283			`return 1;`
284
285			`/* write checksums and other last minute data */`
286			`if (compute_checksums() == FAILED)`
287			`return 1;`
288
289			`/* write rom file */`
290			`if (write_rom_file(argv[argc - 1]) == FAILED)`
291			`return 1;`
292
293			`#ifdef _MAIN_DEBUG`
294			`{`
295			`printf("\n*********************************************\n");`
296			`printf("AFTER EVERYTHING\n");`
297			`printf("*********************************************\n\n");`
298			`}`
299
300			`{`
301			`struct label *l;`
302
303			`printf("LABELS:\n");`
304			`l = labels_first;`
305			`while (l != NULL) {`
306			`printf("--------------------------------------\n");`
307			`printf("name: \"%s\"\n", l->name);`
308			`printf("sect: \"%d\"\n", l->section);`
309			`printf("slot: \"%d\"\n", l->slot);`
310			`printf("base: \"%d\"\n", l->base);`
311			`printf("address: \"%d\"\n", (int)l->address);`
312			`printf("rom_address: \"%d\"\n", l->rom_address);`
313			`printf("bank: \"%d\"\n", l->bank);`
314			`printf("status: \"%d\"\n", l->status);`
315			`printf("file_id: \"%d\"\n", l->file_id);`
316			`l = l->next;`
317			`}`
318			`printf("--------------------------------------\n");`
319			`}`
320			`#endif`
321
322			`/* export symbolic information file */`
323			`if (symbol_mode != SYMBOL_MODE_NONE) {`
324			`if (write_symbol_file(argv[argc - 1], symbol_mode) == FAILED)`
325			`return FAILED;`
326			`}`
327
328			`/* write list files */`
329			`if (listfile_data == YES) {`
330			`if (listfile_write_listfiles(sec_first) == FAILED)`
331			`return FAILED;`
332			`}`
333
334			`/* show rom information */`
335			`y = 0;`
336			`if (verbose_mode == ON) {`
337			`x = 0;`
338			`for (i = 0; i < romsize; i++) {`
339			`if (rom_usage[i] == 0 && x == 0) {`
340			`x = 1;`
341			`y = i;`
342			`}`
343			`else if (rom_usage[i] != 0 && x == 1) {`
344			`if (y == (i - 1))`
345			`fprintf(stderr, "Free space at $%.4x.\n", y);`
346			`else`
347			`fprintf(stderr, "Free space at $%.4x-$%.4x.\n", y, i - 1);`
348			`x = 0;`
349			`}`
350			`}`
351
352			`if (x == 1) {`
353			`if (y == (i - 1))`
354			`fprintf(stderr, "Free space at $%.4x.\n", y);`
355			`else`
356			`fprintf(stderr, "Free space at $%.4x-$%.4x.\n", y, i - 1);`
357			`}`
358
359			`for (y = 0, q = 0; y < romsize; q++) {`
360			`for (x = 0, inz = 0; inz < banks[q]; inz++) {`
361			`if (rom_usage[y++] == 0)`
362			`x++;`
363			`}`
364			`f = (((float)x)/banks[q]) * 100.0f;`
365			`if (f == 100.0f)`
366			`printf("Bank %.2d has %.5d bytes (%.1f%%) free.\n", q, x, f);`
367			`else`
368			`printf("Bank %.2d has %.5d bytes (%.2f%%) free.\n", q, x, f);`
369			`}`
370
371			`/* ROM data */`
372			`if (output_mode == OUTPUT_ROM) {`
373			`for (i = 0, y = 0; i < romsize; i++) {`
374			`if (rom_usage[i] == 0)`
375			`y++;`
376			`}`
377
378			`fprintf(stderr, "%d unused bytes of total %d.\n", y, romsize);`
379			`q = romsize;`
380			`}`
381			`/* program file data */`
382			`else {`
383			`for (i = program_start, y = 0; i < program_end; i++) {`
384			`if (rom_usage[i] == 0)`
385			`y++;`
386			`}`
387
388			`q = program_end - program_start + 1;`
389			`fprintf(stderr, "%d unused bytes (%.2f%%) of total %d.\n", y, (((double)y) / q) * 100, q);`
390			`}`
391
392			`if (file_header_size != 0)`
393			`fprintf(stderr, "File header size %d.\n", file_header_size);`
394			`if (file_footer_size != 0)`
395			`fprintf(stderr, "File footer size %d.\n", file_footer_size);`
396
397			`if (smc_status != 0) {`
398			`fprintf(stderr, "512 additional bytes from the SMC ROM header.\n");`
399			`i = file_header_size + file_footer_size + 512;`
400			`}`
401			`else`
402			`i = file_header_size + file_footer_size;`
403
404			`s = sec_hd_first;`
405			`while (s != NULL) {`
406			`fprintf(stderr, "Bank %d header section size %d.\n", s->bank, s->size);`
407			`i += s->size;`
408			`s = s->next;`
409			`}`
410
411			`if (i != 0) {`
412			`fprintf(stderr, "Total %d additional bytes (from headers and footers).\n", i);`
413			`fprintf(stderr, "Total size %d bytes.\n", i + q);`
414			`}`
415			`}`
416
417			`return 0;`
418			`}`
419
420
421			`void procedures_at_exit(void) {`
422
423			`struct source_file_name f, fn;`
424			`struct object_file *o;`
425			`struct reference *r;`
426			`struct section *s;`
427			`struct stack *sta;`
428			`struct label *l;`
429
430
431			`/* free all the dynamically allocated data structures */`
432			`while (obj_first != NULL) {`
433			`f = obj_first->source_file_names_list;`
434			`while (f != NULL) {`
435			`if (f->name != NULL)`
436			`free(f->name);`
437			`fn = f->next;`
438			`free(f);`
439			`f = fn;`
440			`}`
441			`if (obj_first->data != NULL)`
442			`free(obj_first->data);`
443			`if (obj_first->name != NULL)`
444			`free(obj_first->name);`
445			`o = obj_first;`
446			`obj_first = obj_first->next;`
447			`free(o);`
448			`}`
449
450			`while (labels_first != NULL) {`
451			`l = labels_first;`
452			`labels_first = labels_first->next;`
453			`free(l);`
454			`}`
455
456			`while (reference_first != NULL) {`
457			`r = reference_first;`
458			`reference_first = reference_first->next;`
459			`free(r);`
460			`}`
461
462			`while (stacks_first != NULL) {`
463			`sta = stacks_first->next;`
464			`free(stacks_first->stack);`
465			`free(stacks_first);`
466			`stacks_first = sta;`
467			`}`
468
469			`while (sec_first != NULL) {`
470			`s = sec_first->next;`
471			`if (sec_first->listfile_cmds != NULL)`
472			`free(sec_first->listfile_cmds);`
473			`if (sec_first->listfile_ints != NULL)`
474			`free(sec_first->listfile_ints);`
475			`free(sec_first);`
476			`sec_first = s;`
477			`}`
478
479			`while (sec_hd_first != NULL) {`
480			`s = sec_hd_first->next;`
481			`free(sec_hd_first);`
482			`sec_hd_first = s;`
483			`}`
484
485			`if (banks != NULL)`
486			`free(banks);`
487			`if (bankaddress != NULL)`
488			`free(bankaddress);`
489			`}`
490
491
492			`int parse_flags(char *f) {`
493
494			`int l, output_mode_defined = 0;`
495
496
497			`if (*f != '-')`
498			`return FAILED;`
499
500			`l = strlen(f);`
501			`if (l == 1)`
502			`return FAILED;`
503
504			`for (f++, l--; l > 0; l--, f++) {`
505			`switch (*f) {`
506			`case 'v':`
507			`verbose_mode = ON;`
508			`continue;`
509			`case 'i':`
510			`listfile_data = YES;`
511			`continue;`
512			`case 's':`
513			`symbol_mode = SYMBOL_MODE_NOCA5H;`
514			`continue;`
515			`case 'S':`
516			`symbol_mode = SYMBOL_MODE_WLA;`
517			`continue;`
518			`case 'b':`
519			`if (output_mode_defined == 1)`
520			`return FAILED;`
521			`output_mode_defined++;`
522			`output_mode = OUTPUT_PRG;`
523			`continue;`
524			`case 'r':`
525			`if (output_mode_defined == 1)`
526			`return FAILED;`
527			`output_mode_defined++;`
528			`output_mode = OUTPUT_ROM;`
529			`continue;`
530			`case 'd':`
531			`discard_unreferenced_sections = ON;`
532			`continue;`
533			`default:`
534			`return FAILED;`
535			`}`
536			`}`
537
538			`return SUCCEEDED;`
539			`}`
540
541
542			`int allocate_rom(void) {`
543
544			`rom = malloc(sizeof(unsigned char) * romsize);`
545			`if (rom == NULL) {`
546			`fprintf(stderr, "ALLOCATE_ROM: Out of memory.\n");`
547			`return FAILED;`
548			`}`
549			`rom_usage = malloc(sizeof(unsigned char) * romsize);`
550			`if (rom_usage == NULL) {`
551			`fprintf(stderr, "ALLOCATE_ROM: Out of memory.\n");`
552			`return FAILED;`
553			`}`
554			`memset(rom, emptyfill, romsize);`
555			`memset(rom_usage, 0, romsize);`
556
557			`return SUCCEEDED;`
558			`}`

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