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Use malloc from <stdlib.h>

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Signed-off-by: Kakadu <Kakadu@pm.me>
This commit is contained in:
Kakadu 2025-02-27 22:52:02 +03:00
parent 72b67ed632
commit c9cd55d173
1 changed files with 40 additions and 40 deletions
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80
byterun/byterun.c
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@ -3,7 +3,7 @@
# include <string.h>
# include <stdio.h>
# include <errno.h>
# include <malloc.h>
# include <stdib.h>
# include "../runtime/runtime.h"
void *__start_custom_data;
@ -18,7 +18,7 @@ typedef struct {
int stringtab_size; /* The size (in bytes) of the string table */
int global_area_size; /* The size (in words) of global area */
int public_symbols_number; /* The number of public symbols */
char buffer[0];
char buffer[0];
} bytefile;
/* Gets a string from a string table by an index */
@ -45,7 +45,7 @@ bytefile* read_file (char *fname) {
if (f == 0) {
failure ("%s\n", strerror (errno));
}
if (fseek (f, 0, SEEK_END) == -1) {
failure ("%s\n", strerror (errno));
}
@ -55,31 +55,31 @@ bytefile* read_file (char *fname) {
if (file == 0) {
failure ("*** FAILURE: unable to allocate memory.\n");
}
rewind (f);
if (size != fread (&file->stringtab_size, 1, size, f)) {
failure ("%s\n", strerror (errno));
}
fclose (f);
file->string_ptr = &file->buffer [file->public_symbols_number * 2 * sizeof(int)];
file->public_ptr = (int*) file->buffer;
file->code_ptr = &file->string_ptr [file->stringtab_size];
file->global_ptr = (int*) malloc (file->global_area_size * sizeof (int));
return file;
}
/* Disassembles the bytecode pool */
void disassemble (FILE *f, bytefile *bf) {
# define INT (ip += sizeof (int), *(int*)(ip - sizeof (int)))
# define BYTE *ip++
# define STRING get_string (bf, INT)
# define FAIL failure ("ERROR: invalid opcode %d-%d\n", h, l)
char *ip = bf->code_ptr;
char *ops [] = {"+", "-", "*", "/", "%", "<", "<=", ">", ">=", "==", "!=", "&&", "!!"};
char *pats[] = {"=str", "#string", "#array", "#sexp", "#ref", "#val", "#fun"};
@ -90,59 +90,59 @@ void disassemble (FILE *f, bytefile *bf) {
l = x & 0x0F;
fprintf (f, "0x%.8x:\t", ip-bf->code_ptr-1);
switch (h) {
case 15:
goto stop;
/* BINOP */
case 0:
fprintf (f, "BINOP\t%s", ops[l-1]);
break;
case 1:
switch (l) {
case 0:
fprintf (f, "CONST\t%d", INT);
break;
case 1:
fprintf (f, "STRING\t%s", STRING);
break;
case 2:
fprintf (f, "SEXP\t%s ", STRING);
fprintf (f, "%d", INT);
break;
case 3:
fprintf (f, "STI");
break;
case 4:
fprintf (f, "STA");
break;
case 5:
fprintf (f, "JMP\t0x%.8x", INT);
break;
case 6:
fprintf (f, "END");
break;
case 7:
fprintf (f, "RET");
break;
case 8:
fprintf (f, "DROP");
break;
case 9:
fprintf (f, "DUP");
break;
case 10:
fprintf (f, "SWAP");
break;
@ -150,12 +150,12 @@ void disassemble (FILE *f, bytefile *bf) {
case 11:
fprintf (f, "ELEM");
break;
default:
FAIL;
}
break;
case 2:
case 3:
case 4:
@ -168,27 +168,27 @@ void disassemble (FILE *f, bytefile *bf) {
default: FAIL;
}
break;
case 5:
switch (l) {
case 0:
fprintf (f, "CJMPz\t0x%.8x", INT);
break;
case 1:
fprintf (f, "CJMPnz\t0x%.8x", INT);
break;
case 2:
fprintf (f, "BEGIN\t%d ", INT);
fprintf (f, "%d", INT);
break;
case 3:
fprintf (f, "CBEGIN\t%d ", INT);
fprintf (f, "%d", INT);
break;
case 4:
fprintf (f, "CLOSURE\t0x%.8x", INT);
{int n = INT;
@ -203,30 +203,30 @@ void disassemble (FILE *f, bytefile *bf) {
}
};
break;
case 5:
fprintf (f, "CALLC\t%d", INT);
break;
case 6:
fprintf (f, "CALL\t0x%.8x ", INT);
fprintf (f, "%d", INT);
break;
case 7:
fprintf (f, "TAG\t%s ", STRING);
fprintf (f, "%d", INT);
break;
case 8:
fprintf (f, "ARRAY\t%d", INT);
break;
case 9:
fprintf (f, "FAIL\t%d", INT);
fprintf (f, "%d", INT);
break;
case 10:
fprintf (f, "LINE\t%d", INT);
break;
@ -235,7 +235,7 @@ void disassemble (FILE *f, bytefile *bf) {
FAIL;
}
break;
case 6:
fprintf (f, "PATT\t%s", pats[l]);
break;
@ -245,7 +245,7 @@ void disassemble (FILE *f, bytefile *bf) {
case 0:
fprintf (f, "CALL\tLread");
break;
case 1:
fprintf (f, "CALL\tLwrite");
break;
@ -267,7 +267,7 @@ void disassemble (FILE *f, bytefile *bf) {
}
}
break;
default:
FAIL;
}
@ -281,13 +281,13 @@ void disassemble (FILE *f, bytefile *bf) {
/* Dumps the contents of the file */
void dump_file (FILE *f, bytefile *bf) {
int i;
fprintf (f, "String table size : %d\n", bf->stringtab_size);
fprintf (f, "Global area size : %d\n", bf->global_area_size);
fprintf (f, "Number of public symbols: %d\n", bf->public_symbols_number);
fprintf (f, "Public symbols :\n");
for (i=0; i < bf->public_symbols_number; i++)
for (i=0; i < bf->public_symbols_number; i++)
fprintf (f, " 0x%.8x: %s\n", get_public_offset (bf, i), get_public_name (bf, i));
fprintf (f, "Code:\n");