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Diffstat (limited to 'src/lisp/ao_lisp_mem.c')
-rw-r--r--src/lisp/ao_lisp_mem.c149
1 files changed, 77 insertions, 72 deletions
diff --git a/src/lisp/ao_lisp_mem.c b/src/lisp/ao_lisp_mem.c
index 66e09db0..b763d78b 100644
--- a/src/lisp/ao_lisp_mem.c
+++ b/src/lisp/ao_lisp_mem.c
@@ -28,32 +28,33 @@ uint8_t ao_lisp_pool[AO_LISP_POOL] __attribute__((aligned(4)));
#endif
#if 0
-#define DBG_COLLECT_ALWAYS
+#define MDBG_COLLECT_ALWAYS
#endif
#if 0
-#define DBG_POOL
+#define MDBG_POOL
#endif
#if 0
-#define DBG_INCLUDE
-#define DBG_DUMP 0
-#define DBG_OFFSET(a) ((int) ((uint8_t *) (a) - ao_lisp_pool))
-#define DBG(...) printf(__VA_ARGS__)
-#define DBG_DO(a) a
-static int move_dump = 1;
+#define MDBG_INCLUDE
+#define MDBG_DUMP 1
+#define MDBG_MOVE 0
+#define MDBG_OFFSET(a) ((int) ((uint8_t *) (a) - ao_lisp_pool))
+#define MDBG(...) printf(__VA_ARGS__)
+#define MDBG_DO(a) a
+static int move_dump = MDBG_MOVE;
static int move_depth;
-#define DBG_RESET() (move_depth = 0)
-#define DBG_MOVE(...) do { if(move_dump) { int d; for (d = 0; d < move_depth; d++) printf (" "); printf(__VA_ARGS__); } } while (0)
-#define DBG_MOVE_IN() (move_depth++)
-#define DBG_MOVE_OUT() (move_depth--)
+#define MDBG_RESET() (move_depth = 0)
+#define MDBG_MOVE(...) do { if(move_dump) { int d; for (d = 0; d < move_depth; d++) printf (" "); printf(__VA_ARGS__); } } while (0)
+#define MDBG_MOVE_IN() (move_depth++)
+#define MDBG_MOVE_OUT() (move_depth--)
#else
-#define DBG(...)
-#define DBG_DO(a)
-#define DBG_RESET()
-#define DBG_MOVE(...)
-#define DBG_MOVE_IN()
-#define DBG_MOVE_OUT()
+#define MDBG(...)
+#define MDBG_DO(a)
+#define MDBG_RESET()
+#define MDBG_MOVE(...)
+#define MDBG_MOVE_IN()
+#define MDBG_MOVE_OUT()
#endif
uint8_t ao_lisp_exception;
@@ -69,7 +70,7 @@ static struct ao_lisp_root ao_lisp_root[AO_LISP_ROOT];
static uint8_t ao_lisp_busy[AO_LISP_POOL / 32];
static uint8_t ao_lisp_moving[AO_LISP_POOL / 32];
-static uint8_t ao_lisp_cons[AO_LISP_POOL / 32];
+static uint8_t ao_lisp_cons_note[AO_LISP_POOL / 32];
static uint8_t ao_lisp_cons_last[AO_LISP_POOL / 32];
static uint8_t ao_lisp_cons_noted;
@@ -78,6 +79,7 @@ uint16_t ao_lisp_top;
static inline void mark(uint8_t *tag, int offset) {
int byte = offset >> 5;
int bit = (offset >> 2) & 7;
+
tag[byte] |= (1 << bit);
}
@@ -166,10 +168,11 @@ busy_object(uint8_t *tag, void *addr) {
static void
note_cons(void *addr)
{
- DBG_MOVE("note cons %d\n", DBG_OFFSET(addr));
+ MDBG_MOVE("note cons %d\n", MDBG_OFFSET(addr));
if (AO_LISP_IS_POOL(addr)) {
+ int offset = (uint8_t *) addr - ao_lisp_pool;
ao_lisp_cons_noted = 1;
- mark(ao_lisp_cons, (uint8_t *) addr - ao_lisp_pool);
+ mark(ao_lisp_cons_note, offset);
}
}
@@ -182,11 +185,11 @@ move_object(void)
{
int i;
- DBG_RESET();
- DBG_MOVE("move %d -> %d\n", DBG_OFFSET(move_old), DBG_OFFSET(move_new));
- DBG_MOVE_IN();
+ MDBG_RESET();
+ MDBG_MOVE("move %d -> %d\n", MDBG_OFFSET(move_old), MDBG_OFFSET(move_new));
+ MDBG_MOVE_IN();
memset(ao_lisp_moving, '\0', sizeof (ao_lisp_moving));
- memset(ao_lisp_cons, '\0', sizeof (ao_lisp_cons));
+ memset(ao_lisp_cons_note, '\0', sizeof (ao_lisp_cons_note));
ao_lisp_cons_noted = 0;
for (i = 0; i < AO_LISP_ROOT; i++) {
if (!ao_lisp_root[i].addr)
@@ -195,10 +198,10 @@ move_object(void)
void *addr = *ao_lisp_root[i].addr;
if (!addr)
continue;
- DBG_MOVE("root %d\n", DBG_OFFSET(addr));
+ MDBG_MOVE("root %d\n", MDBG_OFFSET(addr));
if (!ao_lisp_move(ao_lisp_root[i].type,
ao_lisp_root[i].addr)) {
- DBG_MOVE("root moves from %p to %p\n",
+ MDBG_MOVE("root moves from %p to %p\n",
addr,
*ao_lisp_root[i].addr);
}
@@ -207,31 +210,31 @@ move_object(void)
if (!p)
continue;
if (!ao_lisp_poly_move((ao_poly *) ao_lisp_root[i].addr, 0)) {
- DBG_MOVE("root poly move from %04x to %04x\n",
+ MDBG_MOVE("root poly move from %04x to %04x\n",
p, *(ao_poly *) ao_lisp_root[i].addr);
}
}
}
while (ao_lisp_cons_noted) {
- memcpy(ao_lisp_cons_last, ao_lisp_cons, sizeof (ao_lisp_cons));
- memset(ao_lisp_cons, '\0', sizeof (ao_lisp_cons));
+ memcpy(ao_lisp_cons_last, ao_lisp_cons_note, sizeof (ao_lisp_cons_note));
+ memset(ao_lisp_cons_note, '\0', sizeof (ao_lisp_cons_note));
ao_lisp_cons_noted = 0;
for (i = 0; i < AO_LISP_POOL; i += 4) {
if (busy(ao_lisp_cons_last, i)) {
void *addr = ao_lisp_pool + i;
- DBG_MOVE("cons %d\n", DBG_OFFSET(addr));
+ MDBG_MOVE("cons %d\n", MDBG_OFFSET(addr));
if (!ao_lisp_move(&ao_lisp_cons_type, &addr)) {
- DBG_MOVE("cons moves from %p to %p\n",
+ MDBG_MOVE("cons moves from %p to %p\n",
ao_lisp_pool + i, addr);
}
}
}
}
- DBG_MOVE_OUT();
- DBG_MOVE("move done\n");
+ MDBG_MOVE_OUT();
+ MDBG_MOVE("move done\n");
}
-#if DBG_DUMP
+#if MDBG_DUMP
static void
dump_busy(void)
{
@@ -272,32 +275,32 @@ ao_lisp_mark_busy(void)
int i;
memset(ao_lisp_busy, '\0', sizeof (ao_lisp_busy));
- memset(ao_lisp_cons, '\0', sizeof (ao_lisp_cons));
+ memset(ao_lisp_cons_note, '\0', sizeof (ao_lisp_cons_note));
ao_lisp_cons_noted = 0;
- DBG("mark\n");
+ MDBG("mark\n");
for (i = 0; i < AO_LISP_ROOT; i++) {
if (ao_lisp_root[i].type) {
void **a = ao_lisp_root[i].addr, *v;
if (a && (v = *a)) {
- DBG("root %d\n", DBG_OFFSET(v));
+ MDBG("root %d\n", MDBG_OFFSET(v));
ao_lisp_mark(ao_lisp_root[i].type, v);
}
} else {
ao_poly *a = (ao_poly *) ao_lisp_root[i].addr, p;
if (a && (p = *a)) {
- DBG("root 0x%04x\n", p);
+ MDBG("root 0x%04x\n", p);
ao_lisp_poly_mark(p, 0);
}
}
}
while (ao_lisp_cons_noted) {
- memcpy(ao_lisp_cons_last, ao_lisp_cons, sizeof (ao_lisp_cons));
- memset(ao_lisp_cons, '\0', sizeof (ao_lisp_cons));
+ memcpy(ao_lisp_cons_last, ao_lisp_cons_note, sizeof (ao_lisp_cons_note));
+ memset(ao_lisp_cons_note, '\0', sizeof (ao_lisp_cons_note));
ao_lisp_cons_noted = 0;
for (i = 0; i < AO_LISP_POOL; i += 4) {
if (busy(ao_lisp_cons_last, i)) {
void *v = ao_lisp_pool + i;
- DBG("cons %d\n", DBG_OFFSET(v));
+ MDBG("cons %d\n", MDBG_OFFSET(v));
ao_lisp_mark(&ao_lisp_cons_type, v);
}
}
@@ -310,13 +313,13 @@ ao_lisp_collect(void)
int i;
int top;
- DBG("collect\n");
+ MDBG("collect\n");
/* Mark */
ao_lisp_mark_busy();
DUMP_BUSY();
/* Compact */
- DBG("find first busy\n");
+ MDBG("find first busy\n");
for (i = 0; i < ao_lisp_top; i += 4) {
if (!busy(ao_lisp_busy, i))
break;
@@ -324,23 +327,25 @@ ao_lisp_collect(void)
top = i;
while(i < ao_lisp_top) {
if (busy(ao_lisp_busy, i)) {
- DBG("busy %d -> %d\n", i, top);
+ MDBG("busy %d -> %d\n", i, top);
move_old = &ao_lisp_pool[i];
move_new = &ao_lisp_pool[top];
move_size = 0;
move_object();
- DBG("\tbusy size %d\n", move_size);
+ MDBG("\tbusy size %d\n", move_size);
if (move_size == 0)
ao_lisp_abort();
clear_object(ao_lisp_busy, move_old, move_size);
mark_object(ao_lisp_busy, move_new, move_size);
- if (busy_object(ao_lisp_cons, move_old)) {
- clear_object(ao_lisp_cons, move_old, move_size);
- mark_object(ao_lisp_cons, move_new, move_size);
+ if (busy_object(ao_lisp_cons_note, move_old)) {
+ clear_object(ao_lisp_cons_note, move_old, move_size);
+ mark_object(ao_lisp_cons_note, move_new, move_size);
}
i += move_size;
top += move_size;
+#if MDBG_MOVE
DUMP_BUSY();
+#endif
} else {
i += 4;
}
@@ -404,9 +409,9 @@ static void *
check_move(void *addr, int size)
{
if (addr == move_old) {
- DBG_MOVE("mapping %d -> %d\n", DBG_OFFSET(addr), DBG_OFFSET(move_new));
+ MDBG_MOVE("mapping %d -> %d\n", MDBG_OFFSET(addr), MDBG_OFFSET(move_new));
if (!busy_object(ao_lisp_moving, addr)) {
- DBG_MOVE(" copy %d\n", size);
+ MDBG_MOVE(" copy %d\n", size);
memmove(move_new, move_old, size);
move_size = (size + 3) & ~3;
}
@@ -429,24 +434,24 @@ ao_lisp_move(const struct ao_lisp_type *type, void **ref)
if (AO_LISP_IS_CONST(addr))
return 1;
#endif
- DBG_MOVE("object %d\n", DBG_OFFSET(addr));
+ MDBG_MOVE("object %d\n", MDBG_OFFSET(addr));
if (!AO_LISP_IS_POOL(a))
ao_lisp_abort();
- DBG_MOVE_IN();
+ MDBG_MOVE_IN();
addr = check_move(addr, size);
if (addr != *ref)
*ref = addr;
if (mark_object(ao_lisp_moving, addr, size)) {
- DBG_MOVE("already moved\n");
- DBG_MOVE_OUT();
+ MDBG_MOVE("already moved\n");
+ MDBG_MOVE_OUT();
return 1;
}
- DBG_MOVE_OUT();
- DBG_MOVE("recursing...\n");
- DBG_MOVE_IN();
+ MDBG_MOVE_OUT();
+ MDBG_MOVE("recursing...\n");
+ MDBG_MOVE_IN();
type->move(addr);
- DBG_MOVE_OUT();
- DBG_MOVE("done %d\n", DBG_OFFSET(addr));
+ MDBG_MOVE_OUT();
+ MDBG_MOVE("done %d\n", MDBG_OFFSET(addr));
return 0;
}
@@ -457,17 +462,17 @@ ao_lisp_move_memory(void **ref, int size)
if (!addr)
return 1;
- DBG_MOVE("memory %d\n", DBG_OFFSET(addr));
- DBG_MOVE_IN();
+ MDBG_MOVE("memory %d\n", MDBG_OFFSET(addr));
+ MDBG_MOVE_IN();
addr = check_move(addr, size);
if (addr != *ref)
*ref = addr;
if (mark_object(ao_lisp_moving, addr, size)) {
- DBG_MOVE("already moved\n");
- DBG_MOVE_OUT();
+ MDBG_MOVE("already moved\n");
+ MDBG_MOVE_OUT();
return 1;
}
- DBG_MOVE_OUT();
+ MDBG_MOVE_OUT();
return 0;
}
@@ -505,14 +510,14 @@ ao_lisp_poly_move(ao_poly *ref, uint8_t do_note_cons)
if (addr != ao_lisp_ref(p)) {
ao_poly np = ao_lisp_poly(addr, p & AO_LISP_TYPE_MASK);
- DBG("poly %d moved %04x -> %04x\n",
+ MDBG("poly %d moved %04x -> %04x\n",
type, p, np);
*ref = np;
}
return ret;
}
-#ifdef DBG_POOL
+#ifdef MDBG_POOL
static int AO_LISP_POOL_CUR = AO_LISP_POOL / 8;
static void
@@ -557,18 +562,18 @@ ao_lisp_alloc(int size)
void *addr;
size = ao_lisp_mem_round(size);
-#ifdef DBG_COLLECT_ALWAYS
+#ifdef MDBG_COLLECT_ALWAYS
ao_lisp_collect();
#endif
if (ao_lisp_top + size > AO_LISP_POOL_CUR) {
-#ifdef DBG_POOL
+#ifdef MDBG_POOL
if (AO_LISP_POOL_CUR < AO_LISP_POOL) {
AO_LISP_POOL_CUR += AO_LISP_POOL / 8;
ao_lisp_poison();
} else
#endif
ao_lisp_collect();
-#ifdef DBG_POOL
+#ifdef MDBG_POOL
{
int i;
@@ -580,7 +585,7 @@ ao_lisp_alloc(int size)
#endif
if (ao_lisp_top + size > AO_LISP_POOL) {
- ao_lisp_exception |= AO_LISP_OOM;
+ ao_lisp_error(AO_LISP_OOM, "out of memory");
return NULL;
}
}
@@ -593,7 +598,7 @@ int
ao_lisp_root_add(const struct ao_lisp_type *type, void *addr)
{
int i;
- DBG("add root type %p addr %p\n", type, addr);
+ MDBG("add root type %p addr %p\n", type, addr);
for (i = 0; i < AO_LISP_ROOT; i++) {
if (!ao_lisp_root[i].addr) {
ao_lisp_root[i].addr = addr;
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 19:05:10 +0000