mirror of
https://github.com/ProgramSnail/Lama.git
synced 2025-12-05 22:38:44 +00:00
lapce fix
This commit is contained in:
Danya Berezun
parent
b55a3c80b6
commit
5814b3f90a
1 changed files with 180 additions and 140 deletions
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@ -1,154 +1,167 @@
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/* Lama SM Bytecode interpreter */
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# include <string.h>
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# include <stdio.h>
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# include <errno.h>
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# include <stdib.h>
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# include "../runtime/runtime.h"
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "../runtime/runtime.h"
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void *__start_custom_data;
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void *__stop_custom_data;
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/* The unpacked representation of bytecode file */
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typedef struct {
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char *string_ptr; /* A pointer to the beginning of the string table */
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int *public_ptr; /* A pointer to the beginning of publics table */
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char *code_ptr; /* A pointer to the bytecode itself */
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int *global_ptr; /* A pointer to the global area */
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int stringtab_size; /* The size (in bytes) of the string table */
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int global_area_size; /* The size (in words) of global area */
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int public_symbols_number; /* The number of public symbols */
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char buffer[0];
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typedef struct
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{
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char *string_ptr; /* A pointer to the beginning of the string table */
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int *public_ptr; /* A pointer to the beginning of publics table */
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char *code_ptr; /* A pointer to the bytecode itself */
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int *global_ptr; /* A pointer to the global area */
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int stringtab_size; /* The size (in bytes) of the string table */
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int global_area_size; /* The size (in words) of global area */
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int public_symbols_number; /* The number of public symbols */
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char buffer[0];
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} bytefile;
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/* Gets a string from a string table by an index */
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char* get_string (bytefile *f, int pos) {
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char *get_string(bytefile *f, int pos)
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{
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return &f->string_ptr[pos];
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}
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/* Gets a name for a public symbol */
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char* get_public_name (bytefile *f, int i) {
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return get_string (f, f->public_ptr[i*2]);
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char *get_public_name(bytefile *f, int i)
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{
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return get_string(f, f->public_ptr[i * 2]);
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}
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/* Gets an offset for a publie symbol */
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int get_public_offset (bytefile *f, int i) {
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return f->public_ptr[i*2+1];
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int get_public_offset(bytefile *f, int i)
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{
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return f->public_ptr[i * 2 + 1];
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}
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/* Reads a binary bytecode file by name and unpacks it */
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bytefile* read_file (char *fname) {
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FILE *f = fopen (fname, "rb");
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bytefile *read_file(char *fname)
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{
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FILE *f = fopen(fname, "rb");
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long size;
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bytefile *file;
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if (f == 0) {
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failure ("%s\n", strerror (errno));
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if (f == 0)
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{
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failure("%s\n", strerror(errno));
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}
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if (fseek (f, 0, SEEK_END) == -1) {
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failure ("%s\n", strerror (errno));
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if (fseek(f, 0, SEEK_END) == -1)
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{
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failure("%s\n", strerror(errno));
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}
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file = (bytefile*) malloc (sizeof(int)*4 + (size = ftell (f)));
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file = (bytefile *)malloc(sizeof(int) * 4 + (size = ftell(f)));
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if (file == 0) {
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failure ("*** FAILURE: unable to allocate memory.\n");
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if (file == 0)
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{
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failure("*** FAILURE: unable to allocate memory.\n");
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}
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rewind (f);
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rewind(f);
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if (size != fread (&file->stringtab_size, 1, size, f)) {
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failure ("%s\n", strerror (errno));
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if (size != fread(&file->stringtab_size, 1, size, f))
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{
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failure("%s\n", strerror(errno));
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}
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fclose (f);
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fclose(f);
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file->string_ptr = &file->buffer [file->public_symbols_number * 2 * sizeof(int)];
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file->public_ptr = (int*) file->buffer;
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file->code_ptr = &file->string_ptr [file->stringtab_size];
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file->global_ptr = (int*) malloc (file->global_area_size * sizeof (int));
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file->string_ptr = &file->buffer[file->public_symbols_number * 2 * sizeof(int)];
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file->public_ptr = (int *)file->buffer;
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file->code_ptr = &file->string_ptr[file->stringtab_size];
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file->global_ptr = (int *)malloc(file->global_area_size * sizeof(int));
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return file;
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}
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/* Disassembles the bytecode pool */
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void disassemble (FILE *f, bytefile *bf) {
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void disassemble(FILE *f, bytefile *bf)
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{
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# define INT (ip += sizeof (int), *(int*)(ip - sizeof (int)))
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# define BYTE *ip++
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# define STRING get_string (bf, INT)
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# define FAIL failure ("ERROR: invalid opcode %d-%d\n", h, l)
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#define INT (ip += sizeof(int), *(int *)(ip - sizeof(int)))
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#define BYTE *ip++
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#define STRING get_string(bf, INT)
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#define FAIL failure("ERROR: invalid opcode %d-%d\n", h, l)
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char *ip = bf->code_ptr;
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char *ops [] = {"+", "-", "*", "/", "%", "<", "<=", ">", ">=", "==", "!=", "&&", "!!"};
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char *ip = bf->code_ptr;
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char *ops[] = {"+", "-", "*", "/", "%", "<", "<=", ">", ">=", "==", "!=", "&&", "!!"};
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char *pats[] = {"=str", "#string", "#array", "#sexp", "#ref", "#val", "#fun"};
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char *lds [] = {"LD", "LDA", "ST"};
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do {
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char *lds[] = {"LD", "LDA", "ST"};
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do
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{
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char x = BYTE,
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h = (x & 0xF0) >> 4,
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l = x & 0x0F;
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fprintf (f, "0x%.8x:\t", ip-bf->code_ptr-1);
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fprintf(f, "0x%.8x:\t", ip - bf->code_ptr - 1);
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switch (h) {
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switch (h)
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{
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case 15:
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goto stop;
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/* BINOP */
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case 0:
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fprintf (f, "BINOP\t%s", ops[l-1]);
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fprintf(f, "BINOP\t%s", ops[l - 1]);
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break;
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case 1:
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switch (l) {
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case 0:
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fprintf (f, "CONST\t%d", INT);
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switch (l)
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{
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case 0:
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fprintf(f, "CONST\t%d", INT);
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break;
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case 1:
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fprintf (f, "STRING\t%s", STRING);
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case 1:
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fprintf(f, "STRING\t%s", STRING);
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break;
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case 2:
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fprintf (f, "SEXP\t%s ", STRING);
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fprintf (f, "%d", INT);
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case 2:
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fprintf(f, "SEXP\t%s ", STRING);
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fprintf(f, "%d", INT);
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break;
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case 3:
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fprintf (f, "STI");
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case 3:
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fprintf(f, "STI");
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break;
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case 4:
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fprintf (f, "STA");
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case 4:
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fprintf(f, "STA");
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break;
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case 5:
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fprintf (f, "JMP\t0x%.8x", INT);
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case 5:
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fprintf(f, "JMP\t0x%.8x", INT);
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break;
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case 6:
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fprintf (f, "END");
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case 6:
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fprintf(f, "END");
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break;
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case 7:
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fprintf (f, "RET");
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case 7:
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fprintf(f, "RET");
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break;
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case 8:
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fprintf (f, "DROP");
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case 8:
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fprintf(f, "DROP");
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break;
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case 9:
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fprintf (f, "DUP");
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case 9:
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fprintf(f, "DUP");
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break;
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case 10:
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fprintf (f, "SWAP");
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fprintf(f, "SWAP");
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break;
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case 11:
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fprintf (f, "ELEM");
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fprintf(f, "ELEM");
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break;
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default:
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@ -159,76 +172,99 @@ void disassemble (FILE *f, bytefile *bf) {
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case 2:
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case 3:
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case 4:
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fprintf (f, "%s\t", lds[h-2]);
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switch (l) {
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case 0: fprintf (f, "G(%d)", INT); break;
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case 1: fprintf (f, "L(%d)", INT); break;
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case 2: fprintf (f, "A(%d)", INT); break;
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case 3: fprintf (f, "C(%d)", INT); break;
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default: FAIL;
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fprintf(f, "%s\t", lds[h - 2]);
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switch (l)
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{
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case 0:
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fprintf(f, "G(%d)", INT);
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break;
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case 1:
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fprintf(f, "L(%d)", INT);
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break;
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case 2:
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fprintf(f, "A(%d)", INT);
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break;
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case 3:
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fprintf(f, "C(%d)", INT);
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break;
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default:
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FAIL;
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}
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break;
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case 5:
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switch (l) {
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case 0:
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fprintf (f, "CJMPz\t0x%.8x", INT);
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switch (l)
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{
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case 0:
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fprintf(f, "CJMPz\t0x%.8x", INT);
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break;
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case 1:
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fprintf (f, "CJMPnz\t0x%.8x", INT);
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case 1:
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fprintf(f, "CJMPnz\t0x%.8x", INT);
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break;
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case 2:
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fprintf (f, "BEGIN\t%d ", INT);
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fprintf (f, "%d", INT);
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case 2:
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fprintf(f, "BEGIN\t%d ", INT);
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fprintf(f, "%d", INT);
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break;
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case 3:
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fprintf (f, "CBEGIN\t%d ", INT);
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fprintf (f, "%d", INT);
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case 3:
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fprintf(f, "CBEGIN\t%d ", INT);
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fprintf(f, "%d", INT);
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break;
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case 4:
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fprintf (f, "CLOSURE\t0x%.8x", INT);
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{int n = INT;
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for (int i = 0; i<n; i++) {
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switch (BYTE) {
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case 0: fprintf (f, "G(%d)", INT); break;
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case 1: fprintf (f, "L(%d)", INT); break;
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case 2: fprintf (f, "A(%d)", INT); break;
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case 3: fprintf (f, "C(%d)", INT); break;
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default: FAIL;
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}
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}
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case 4:
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fprintf(f, "CLOSURE\t0x%.8x", INT);
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{
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int n = INT;
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for (int i = 0; i < n; i++)
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{
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switch (BYTE)
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{
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case 0:
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fprintf(f, "G(%d)", INT);
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break;
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case 1:
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fprintf(f, "L(%d)", INT);
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break;
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case 2:
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fprintf(f, "A(%d)", INT);
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break;
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case 3:
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fprintf(f, "C(%d)", INT);
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break;
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default:
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FAIL;
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}
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}
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};
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break;
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case 5:
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fprintf (f, "CALLC\t%d", INT);
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case 5:
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fprintf(f, "CALLC\t%d", INT);
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break;
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case 6:
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fprintf (f, "CALL\t0x%.8x ", INT);
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fprintf (f, "%d", INT);
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case 6:
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fprintf(f, "CALL\t0x%.8x ", INT);
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fprintf(f, "%d", INT);
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break;
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case 7:
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fprintf (f, "TAG\t%s ", STRING);
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fprintf (f, "%d", INT);
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case 7:
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fprintf(f, "TAG\t%s ", STRING);
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fprintf(f, "%d", INT);
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break;
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case 8:
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fprintf (f, "ARRAY\t%d", INT);
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case 8:
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fprintf(f, "ARRAY\t%d", INT);
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break;
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case 9:
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fprintf (f, "FAIL\t%d", INT);
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fprintf (f, "%d", INT);
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case 9:
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fprintf(f, "FAIL\t%d", INT);
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fprintf(f, "%d", INT);
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break;
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case 10:
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fprintf (f, "LINE\t%d", INT);
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fprintf(f, "LINE\t%d", INT);
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break;
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default:
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@ -237,29 +273,31 @@ void disassemble (FILE *f, bytefile *bf) {
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break;
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case 6:
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fprintf (f, "PATT\t%s", pats[l]);
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fprintf(f, "PATT\t%s", pats[l]);
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break;
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case 7: {
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switch (l) {
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case 7:
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{
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switch (l)
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{
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case 0:
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fprintf (f, "CALL\tLread");
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fprintf(f, "CALL\tLread");
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break;
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case 1:
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fprintf (f, "CALL\tLwrite");
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fprintf(f, "CALL\tLwrite");
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break;
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case 2:
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fprintf (f, "CALL\tLlength");
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fprintf(f, "CALL\tLlength");
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break;
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case 3:
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fprintf (f, "CALL\tLstring");
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fprintf(f, "CALL\tLstring");
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break;
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case 4:
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fprintf (f, "CALL\tBarray\t%d", INT);
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fprintf(f, "CALL\tBarray\t%d", INT);
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break;
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default:
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@ -272,30 +310,32 @@ void disassemble (FILE *f, bytefile *bf) {
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FAIL;
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}
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fprintf (f, "\n");
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}
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while (1);
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stop: fprintf (f, "<end>\n");
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fprintf(f, "\n");
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} while (1);
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stop:
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fprintf(f, "<end>\n");
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}
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/* Dumps the contents of the file */
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void dump_file (FILE *f, bytefile *bf) {
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void dump_file(FILE *f, bytefile *bf)
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{
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int i;
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fprintf (f, "String table size : %d\n", bf->stringtab_size);
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fprintf (f, "Global area size : %d\n", bf->global_area_size);
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fprintf (f, "Number of public symbols: %d\n", bf->public_symbols_number);
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fprintf (f, "Public symbols :\n");
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fprintf(f, "String table size : %d\n", bf->stringtab_size);
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fprintf(f, "Global area size : %d\n", bf->global_area_size);
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fprintf(f, "Number of public symbols: %d\n", bf->public_symbols_number);
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fprintf(f, "Public symbols :\n");
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for (i=0; i < bf->public_symbols_number; i++)
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fprintf (f, " 0x%.8x: %s\n", get_public_offset (bf, i), get_public_name (bf, i));
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for (i = 0; i < bf->public_symbols_number; i++)
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fprintf(f, " 0x%.8x: %s\n", get_public_offset(bf, i), get_public_name(bf, i));
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fprintf (f, "Code:\n");
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disassemble (f, bf);
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fprintf(f, "Code:\n");
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disassemble(f, bf);
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}
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int main (int argc, char* argv[]) {
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bytefile *f = read_file (argv[1]);
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dump_file (stdout, f);
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int main(int argc, char *argv[])
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{
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bytefile *f = read_file(argv[1]);
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dump_file(stdout, f);
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return 0;
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}
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