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add #define DEBUG_PRINT

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This commit is contained in:
danyaberezun 2018-11-30 16:18:12 +03:00
parent 815c3464c3
commit 0a056fc744
1 changed files with 36 additions and 11 deletions
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47
runtime/runtime.c
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@ -8,6 +8,8 @@
# include <sys/mman.h>
# include <assert.h>
// # define DEBUG_PRINT 1
# define STRING_TAG 0x00000001
# define ARRAY_TAG 0x00000003
# define SEXP_TAG 0x00000005
@ -44,12 +46,16 @@ char* de_hash (int n) {
static char buf[6];
char *p = &buf[5];
/*printf ("tag: %d\n", n);*/
#ifdef DEBUG_PRINT
printf ("de_hash: tag: %d\n", n);
#endif
*p-- = 0;
while (n != 0) {
/*printf ("char: %c\n", chars [n & 0x003F]);*/
#ifdef DEBUG_PRINT
printf ("char: %c\n", chars [n & 0x003F]);
#endif
*p-- = chars [n & 0x003F];
n = n >> 6;
}
@ -144,8 +150,6 @@ extern void* Belem (void *p, int i) {
data *a = TO_DATA(p);
i = UNBOX(i);
/* printf ("elem %d = %p\n", i, (void*) ((int*) a->contents)[i]); */
if (TAG(a->tag) == STRING_TAG) {
return (void*) BOX(a->contents[i]);
}
@ -203,7 +207,9 @@ extern void* Bsexp (int n, ...) {
sexp *r;
data *d;
#ifdef DEBUG_PRINT
printf("Bsexp: allocate %zu!\n",sizeof(int) * (n+2));
#endif
r = (sexp*) alloc (sizeof(int) * (n+2));
d = &(r->contents);
@ -213,16 +219,12 @@ extern void* Bsexp (int n, ...) {
for (i=0; i<n-1; i++) {
int ai = va_arg(args, int);
//printf ("arg %d = %x\n", i, ai);
((int*)d->contents)[i] = ai;
}
r->tag = va_arg(args, int);
va_end(args);
//printf ("tag %d\n", r->tag);
//printf ("returning %p\n", d->contents);
return d->contents;
}
@ -454,19 +456,25 @@ extern size_t * gc_copy (size_t *obj) {
sexp *s = NULL;
size_t *copy = NULL;
int i = 0;
#ifdef DEBUG_PRINT
int len1, len2, len3;
void * objj;
void * newobjj = (void*)current;
printf("gc_copy: %x cur = %x starts\n", obj, current);
#endif
if (!IS_VALID_HEAP_POINTER(obj)) {
#ifdef DEBUG_PRINT
printf ("gc_copy: invalid ptr: %x\n", obj);
#endif
return obj;
}
if (!IN_PASSIVE_SPACE(current)) {
#ifdef DEBUG_PRINT
printf("ERROR: gc_copy: out-of-space %x %x %x\n", current, to_space.begin, to_space.end);
fflush(stdout);
#endif
perror("ERROR: gc_copy: out-of-space\n");
exit (6);
}
@ -475,7 +483,9 @@ extern size_t * gc_copy (size_t *obj) {
return (size_t *) d->tag;
copy = current;
#ifdef DEBUG_PRINT
objj = d;
#endif
switch (TAG(d->tag)) {
case ARRAY_TAG:
current += (LEN(d->tag) + 1) * sizeof (int);
@ -493,28 +503,34 @@ extern size_t * gc_copy (size_t *obj) {
break;
case SEXP_TAG :
s = TO_SEXP(obj);
#ifdef DEBUG_PRINT
objj = s;
len1 = LEN(s->contents.tag);
len2 = LEN(s->tag);
len3 = LEN(d->tag);
printf("len1 = %li, len2=%li, len3 = %li\n",len1,len2,len3);
#endif
current += (LEN(s->contents.tag) + 2) * sizeof (int);
*copy = s->tag;
copy++;
*copy = s->contents.tag;
copy++;
len3 = LEN(s->contents.tag);
i = LEN(s->contents.tag);
s->contents.tag = (int) copy;
copy_elements (copy, obj, len3);
copy_elements (copy, obj, i);
break;
default:
#ifdef DEBUG_PRINT
printf ("ERROR: gc_copy: weird tag: %x", TAG(d->tag));
fflush(stdout);
#endif
perror ("ERROR: gc_copy: weird tag");
exit(5);
}
#ifdef DEBUG_PRINT
printf("gc_copy: %x -> %x\n", objj, newobjj);
fflush(stdout);
#endif
return copy;
}
@ -555,7 +571,10 @@ static int free_pool (pool * p) {
static void * gc (size_t size) {
current = to_space.begin;
printf("gc: current: %x; to_space.b = %x; to_space.e = %x; f_space.b = %x; f_space.e = %x\n", current, to_space.begin, to_space.end, from_space.begin, from_space.end);
#ifdef DEBUG_PRINT
printf("gc: current: %x; to_space.b = %x; to_space.e = %x; f_space.b = %x; f_space.e = %x\n",
current, to_space.begin, to_space.end, from_space.begin, from_space.end);
#endif
__gc_root_scan_data ();
__gc_root_scan_stack ();
if (!IN_PASSIVE_SPACE(current)) {
@ -575,12 +594,18 @@ static void * gc (size_t size) {
static void * alloc (size_t size) {
if (from_space.current + size < from_space.end) {
#ifdef DEBUG_PRINT
printf("alloc: current: %x %zu", from_space.current, size);
#endif
void * p = (void*) from_space.current;
from_space.current += size;
#ifdef DEBUG_PRINT
printf(";new current: %x \n", from_space.current);
#endif
return p;
}
#ifdef DEBUG_PRINT
printf("alloc: call gc: %zu\n", size);
#endif
return gc (size);
}