#include <sys/time.h>
#include <sys/resource.h>
#include <signal.h>
-#include "runtime.h"
#include "sbcl.h"
+#include "runtime.h"
#include "os.h"
#include "gc.h"
#include "gc-internal.h"
static void
zero_stack(void)
{
- u32 *ptr = (u32 *)current_control_stack_pointer;
+ lispobj *ptr = current_control_stack_pointer;
search:
do {
if (*ptr)
void *
-gc_general_alloc(int bytes, int unboxed_p, int quick_p) {
+gc_general_alloc(long bytes, int unboxed_p, int quick_p) {
lispobj *new=new_space_free_pointer;
- new_space_free_pointer+=(bytes/4);
+ new_space_free_pointer+=(bytes/N_WORD_BYTES);
return new;
}
-lispobj copy_large_unboxed_object(lispobj object, int nwords) {
+lispobj copy_large_unboxed_object(lispobj object, long nwords) {
return copy_object(object,nwords);
}
-lispobj copy_unboxed_object(lispobj object, int nwords) {
+lispobj copy_unboxed_object(lispobj object, long nwords) {
return copy_object(object,nwords);
}
-lispobj copy_large_object(lispobj object, int nwords) {
+lispobj copy_large_object(lispobj object, long nwords) {
return copy_object(object,nwords);
}
printf("Flipping spaces ...\n");
#endif
- os_zero((os_vm_address_t) current_dynamic_space,
+ /* Maybe FIXME: it's possible that we could significantly reduce
+ * RSS by zeroing the from_space or madvise(MADV_DONTNEED) or
+ * similar os-dependent tricks here */
+ os_zero((os_vm_address_t) from_space,
(os_vm_size_t) DYNAMIC_SPACE_SIZE);
current_dynamic_space = new_space;
#endif
size_retained = (new_space_free_pointer - new_space) * sizeof(lispobj);
+ os_flush_icache((os_vm_address_t)new_space, size_retained);
+
/* Zero stack. */
#ifdef PRINTNOISE
printf("Zeroing empty part of control stack ...\n");
user_time = tv_diff(&stop_rusage.ru_utime, &start_rusage.ru_utime);
system_time = tv_diff(&stop_rusage.ru_stime, &start_rusage.ru_stime);
-#if 0
- printf("Statistics:\n");
- printf("%10.2f sec of real time\n", real_time);
- printf("%10.2f sec of user time,\n", user_time);
- printf("%10.2f sec of system time.\n", system_time);
-#else
printf("Statistics: %10.2fs real, %10.2fs user, %10.2fs system.\n",
real_time, user_time, system_time);
-#endif
gc_rate = ((float) size_retained / (float) (1<<20)) / real_time;
printf("%10.2f M bytes/sec collected.\n", gc_rate);
#endif
- /* os_flush_icache((os_vm_address_t) 0, sizeof(unsigned long)); */
- /* Maybe FIXME: it's possible that we could significantly reduce
- * RSS by zeroing the from_space or madvise(MADV_DONTNEED) or
- * similar os-dependent tricks here */
}
\f
/* before we scavenge the context. */
#ifdef reg_LIP
lip = *os_context_register_addr(context, reg_LIP);
- /* 0x7FFFFFFF or 0x7FFFFFFFFFFFFFFF ? */
- lip_offset = 0x7FFFFFFF;
+ /* 0x7FFFFFFF on 32-bit platforms;
+ 0x7FFFFFFFFFFFFFFF on 64-bit platforms */
+ lip_offset = (((unsigned long)1) << (N_WORD_BITS - 1)) - 1;
lip_register_pair = -1;
for (i = 0; i < (sizeof(boxed_registers) / sizeof(int)); i++) {
unsigned long reg;
os_context_t *context;
struct thread *th=arch_os_get_current_thread();
- struct interrupt_data *data=
- th ? th->interrupt_data : global_interrupt_data;
index = fixnum_value(SymbolValue(FREE_INTERRUPT_CONTEXT_INDEX,0));
}
\f
-/* code and code-related objects */
-
-/* FIXME (1) this could probably be defined using something like
- * sizeof(lispobj)*floor(sizeof(struct simple_fun)/sizeof(lispobj))
- * - FUN_POINTER_LOWTAG
- * as I'm reasonably sure that simple_fun->code must always be the
- * last slot in the object
-
- * FIXME (2) it also appears in purify.c, and it has a different value
- * for SPARC users in that bit
- */
-
-#define FUN_RAW_ADDR_OFFSET (6*sizeof(lispobj) - FUN_POINTER_LOWTAG)
-
-/* Note: on the sparc we don't have to do anything special for fdefns, */
-/* 'cause the raw-addr has a function lowtag. */
-#ifndef LISP_FEATURE_SPARC
-static int
-scav_fdefn(lispobj *where, lispobj object)
-{
- struct fdefn *fdefn;
-
- fdefn = (struct fdefn *)where;
-
- if ((char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET)
- == (char *)((unsigned long)(fdefn->raw_addr))) {
- scavenge(where + 1, sizeof(struct fdefn)/sizeof(lispobj) - 1);
- fdefn->raw_addr =
- (u32) ((char *) LOW_WORD(fdefn->fun)) + FUN_RAW_ADDR_OFFSET;
- return sizeof(struct fdefn) / sizeof(lispobj);
- }
- else
- return 1;
-}
-#endif
-
-
-\f
/* vector-like objects */
-/* #define NWORDS(x,y) (CEILING((x),(y)) / (y)) */
-
-static int
+static long
scav_vector(lispobj *where, lispobj object)
{
if (HeaderValue(object) == subtype_VectorValidHashing) {
#define WEAK_POINTER_NWORDS \
CEILING((sizeof(struct weak_pointer) / sizeof(lispobj)), 2)
-static int
+static long
scav_weak_pointer(lispobj *where, lispobj object)
{
/* Do not let GC scavenge the value slot of the weak pointer */
return WEAK_POINTER_NWORDS;
}
+\f
+lispobj *
+search_read_only_space(void *pointer)
+{
+ lispobj* start = (lispobj*)READ_ONLY_SPACE_START;
+ lispobj* end = (lispobj*)SymbolValue(READ_ONLY_SPACE_FREE_POINTER,0);
+ if ((pointer < (void *)start) || (pointer >= (void *)end))
+ return NULL;
+ return (search_space(start,
+ (((lispobj *)pointer)+2)-start,
+ (lispobj *)pointer));
+}
+
+lispobj *
+search_static_space(void *pointer)
+{
+ lispobj* start = (lispobj*)STATIC_SPACE_START;
+ lispobj* end = (lispobj*)SymbolValue(STATIC_SPACE_FREE_POINTER,0);
+ if ((pointer < (void *)start) || (pointer >= (void *)end))
+ return NULL;
+ return (search_space(start,
+ (((lispobj *)pointer)+2)-start,
+ (lispobj *)pointer));
+}
+lispobj *
+search_dynamic_space(void *pointer)
+{
+ lispobj *start = (lispobj *) current_dynamic_space;
+ lispobj *end = (lispobj *) dynamic_space_free_pointer;
+ if ((pointer < (void *)start) || (pointer >= (void *)end))
+ return NULL;
+ return (search_space(start,
+ (((lispobj *)pointer)+2)-start,
+ (lispobj *)pointer));
+}
\f
/* initialization. if gc_init can be moved to after core load, we could
* combine these two functions */
if (addr < (os_vm_address_t)dynamic_space_free_pointer) {
fprintf(stderr,
- "set_auto_gc_trigger: tried to set gc trigger too low! (%d < %p)\n",
- (unsigned int)dynamic_usage,
- (os_vm_address_t)dynamic_space_free_pointer
- - (os_vm_address_t)current_dynamic_space);
+ "set_auto_gc_trigger: tried to set gc trigger too low! (%ld < 0x%08lx)\n",
+ (unsigned long)dynamic_usage,
+ (unsigned long)((os_vm_address_t)dynamic_space_free_pointer
+ - (os_vm_address_t)current_dynamic_space));
lose("lost");
}
else if (length < 0) {
fprintf(stderr,
- "set_auto_gc_trigger: tried to set gc trigger too high! (%p)\n",
- dynamic_usage);
+ "set_auto_gc_trigger: tried to set gc trigger too high! (0x%08lx)\n",
+ (unsigned long)dynamic_usage);
lose("lost");
}