124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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static unsigned int * t_array = NULL;
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static unsigned int t_count = 0;
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extern void append_token (int t);
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extern void append_instruction_t6 (int t6, int w, int d, int r, int s, int i);
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extern void append_instruction_t1 (int t1);
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static void dump (const char * file_name);
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#include "eaxhla.h"
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#include "eaxhla.yy.h"
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#include "eaxhla.tab.h"
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#include "assembler.h"
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extern void yyfree_leftovers(void);
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char * yyfilename;
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signed main(int argc, char * argv[]) {
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if (argc < 2) {
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printf("%s: <file>\n", argv[0]);
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return 1;
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}
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token_array = calloc (1440UL, sizeof (* token_array));
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t_array = calloc (1440UL, sizeof (* t_array));
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#if DEBUG == 1
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yydebug = 1;
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#endif
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yyfilename = argv[1];
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yyin = fopen(yyfilename, "r");
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if (eaxhla_init()) {
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puts("Initialization failed");
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return 1;
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}
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yyparse();
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if (!has_encountered_error) {
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assemble (t_count, t_array);
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dump ("test_me_please");
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}
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if (was_instruction_array_empty) {
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issue_warning("the input did not contain any instructions");
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}
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yyfree_leftovers();
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eaxhla_destroy();
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free (token_array);
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free (t_array);
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return has_encountered_error;
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}
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void append_token (int t) {
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t_array [t_count] = t;
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t_count += 1;
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}
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void append_instruction_t6 (int t6, int w, int d, int r, int s, int i) {
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append_token (t6); // operation
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append_token (w); // width
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append_token (d); // destination
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append_token (r); // register
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append_token (s); // source
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append_token (i); // immediate
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printf ("> MOV D32 REG %i IMM %i\n", r, i);
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}
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void append_instruction_t1 (int t1) {
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append_token (t1); // operation
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}
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void dump (const char * file_name) {
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/* DO NOT TRY THIS AT HOME! */
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#define hackery \
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"\x7F\x45\x4C\x46\x02\x01\x01\x03"\
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"\x00\x00\x00\x00\x00\x00\x00\x00"\
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"\x02\x00\x3E\x00\x01\x00\x00\x00"\
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"\xB0\x00\x40\x00\x00\x00\x00\x00"\
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"\x40\x00\x00\x00\x00\x00\x00\x00"\
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"\x00\x00\x00\x00\x00\x00\x00\x00"\
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"\x00\x00\x00\x00\x40\x00\x38\x00"\
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"\x02\x00\x40\x00\x00\x00\x00\x00"\
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"\x01\x00\x00\x00\x05\x00\x00\x00"\
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"\x00\x00\x00\x00\x00\x00\x00\x00"\
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"\x00\x00\x40\x00\x00\x00\x00\x00"\
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"\x00\x00\x40\x00\x00\x00\x00\x00"\
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"\xC5\x00\x00\x00\x00\x00\x00\x00"\
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"\xC5\x00\x00\x00\x00\x00\x00\x00"\
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"\x00\x10\x00\x00\x00\x00\x00\x00"\
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"\x01\x00\x00\x00\x06\x00\x00\x00"\
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"\xC5\x00\x00\x00\x00\x00\x00\x00"\
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"\xC5\x10\x40\x00\x00\x00\x00\x00"\
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"\xC5\x10\x40\x00\x00\x00\x00\x00"\
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"\x0C\x00\x00\x00\x00\x00\x00\x00"\
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"\x0C\x00\x00\x00\x00\x00\x00\x00"\
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"\x00\x10\x00\x00\x00\x00\x00\x00"
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char meme [1024] = "";
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FILE * file = fopen (file_name, "w");
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fwrite (hackery, 1UL, 64UL + 2UL * 56UL, file);
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fwrite (token_array, sizeof (* token_array), (size_t) token_count, file);
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fwrite ("heyo world!\n", 1UL, 12UL, file);
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snprintf (meme, 1023UL, "chmod +x %s", file_name);
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system (meme);
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fclose (file);
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}
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