#endif /* not DOUG_LEA_MALLOC */
-#if ! defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD)
+#if ! defined SYSTEM_MALLOC && ! defined SYNC_INPUT
+#ifdef HAVE_GTK_AND_PTHREAD
/* When GTK uses the file chooser dialog, different backends can be loaded
dynamically. One such a backend is the Gnome VFS backend that gets loaded
} \
while (0)
-#else /* SYSTEM_MALLOC || not HAVE_GTK_AND_PTHREAD */
+#else /* ! defined HAVE_GTK_AND_PTHREAD */
#define BLOCK_INPUT_ALLOC BLOCK_INPUT
#define UNBLOCK_INPUT_ALLOC UNBLOCK_INPUT
-#endif /* SYSTEM_MALLOC || not HAVE_GTK_AND_PTHREAD */
+#endif /* ! defined HAVE_GTK_AND_PTHREAD */
+#endif /* ! defined SYSTEM_MALLOC && ! defined SYNC_INPUT */
/* Value of _bytes_used, when spare_memory was freed. */
#define VECTOR_UNMARK(V) ((V)->size &= ~ARRAY_MARK_FLAG)
#define VECTOR_MARKED_P(V) (((V)->size & ARRAY_MARK_FLAG) != 0)
-/* Value is the number of bytes/chars of S, a pointer to a struct
- Lisp_String. This must be used instead of STRING_BYTES (S) or
- S->size during GC, because S->size contains the mark bit for
+/* Value is the number of bytes of S, a pointer to a struct Lisp_String.
+ Be careful during GC, because S->size contains the mark bit for
strings. */
#define GC_STRING_BYTES(S) (STRING_BYTES (S))
-#define GC_STRING_CHARS(S) ((S)->size & ~ARRAY_MARK_FLAG)
/* Global variables. */
struct emacs_globals globals;
/* Buffer in which we save a copy of the C stack at each GC. */
+#if MAX_SAVE_STACK > 0
static char *stack_copy;
-static int stack_copy_size;
+static size_t stack_copy_size;
+#endif
/* Non-zero means ignore malloc warnings. Set during initialization.
Currently not used. */
static void mark_buffer (Lisp_Object);
static void mark_terminals (void);
-extern void mark_kboards (void);
-extern void mark_ttys (void);
-extern void mark_backtrace (void);
static void gc_sweep (void);
static void mark_glyph_matrix (struct glyph_matrix *);
static void mark_face_cache (struct face_cache *);
-#ifdef HAVE_WINDOW_SYSTEM
-extern void mark_fringe_data (void);
-#endif /* HAVE_WINDOW_SYSTEM */
-
static struct Lisp_String *allocate_string (void);
static void compact_small_strings (void);
static void free_large_strings (void);
register Lisp_Object val;
val = make_uninit_string (length);
memcpy (SDATA (val), contents, length);
- STRING_SET_UNIBYTE (val);
return val;
}
return val;
}
+#ifdef GC_CHECK_CONS_LIST
/* Get an error now if there's any junk in the cons free list. */
void
check_cons_list (void)
{
-#ifdef GC_CHECK_CONS_LIST
struct Lisp_Cons *tail = cons_free_list;
while (tail)
tail = tail->u.chain;
-#endif
}
+#endif
/* Make a list of 1, 2, 3, 4 or 5 specified objects. */
doc: /* Return a newly created list with specified arguments as elements.
Any number of arguments, even zero arguments, are allowed.
usage: (list &rest OBJECTS) */)
- (int nargs, register Lisp_Object *args)
+ (size_t nargs, register Lisp_Object *args)
{
register Lisp_Object val;
val = Qnil;
{
Lisp_Object vector;
register EMACS_INT sizei;
- register EMACS_INT index;
+ register EMACS_INT i;
register struct Lisp_Vector *p;
CHECK_NATNUM (length);
sizei = XFASTINT (length);
p = allocate_vector (sizei);
- for (index = 0; index < sizei; index++)
- p->contents[index] = init;
+ for (i = 0; i < sizei; i++)
+ p->contents[i] = init;
XSETVECTOR (vector, p);
return vector;
}
-/* Return a new `function vector' containing KIND as the first element,
- followed by NUM_NIL_SLOTS nil elements, and further elements copied from
- the vector PARAMS of length NUM_PARAMS (so the total length of the
- resulting vector is 1 + NUM_NIL_SLOTS + NUM_PARAMS).
-
- If NUM_PARAMS is zero, then PARAMS may be NULL.
-
- A `function vector', a.k.a. `funvec', is a funcallable vector in Emacs Lisp.
- See the function `funvec' for more detail. */
-
-Lisp_Object
-make_funvec (Lisp_Object kind, int num_nil_slots, int num_params,
- Lisp_Object *params)
-{
- int param_index;
- Lisp_Object funvec;
-
- funvec = Fmake_vector (make_number (1 + num_nil_slots + num_params), Qnil);
-
- ASET (funvec, 0, kind);
-
- for (param_index = 0; param_index < num_params; param_index++)
- ASET (funvec, 1 + num_nil_slots + param_index, params[param_index]);
-
- XSETPVECTYPE (XVECTOR (funvec), PVEC_FUNVEC);
- XSETFUNVEC (funvec, XVECTOR (funvec));
-
- return funvec;
-}
-
-
DEFUN ("vector", Fvector, Svector, 0, MANY, 0,
doc: /* Return a newly created vector with specified arguments as elements.
Any number of arguments, even zero arguments, are allowed.
usage: (vector &rest OBJECTS) */)
- (register int nargs, Lisp_Object *args)
+ (register size_t nargs, Lisp_Object *args)
{
register Lisp_Object len, val;
- register int index;
+ register size_t i;
register struct Lisp_Vector *p;
XSETFASTINT (len, nargs);
val = Fmake_vector (len, Qnil);
p = XVECTOR (val);
- for (index = 0; index < nargs; index++)
- p->contents[index] = args[index];
+ for (i = 0; i < nargs; i++)
+ p->contents[i] = args[i];
return val;
}
-DEFUN ("funvec", Ffunvec, Sfunvec, 1, MANY, 0,
- doc: /* Return a newly created `function vector' of type KIND.
-A `function vector', a.k.a. `funvec', is a funcallable vector in Emacs Lisp.
-KIND indicates the kind of funvec, and determines its behavior when called.
-The meaning of the remaining arguments depends on KIND. Currently
-implemented values of KIND, and their meaning, are:
-
- A list -- A byte-compiled function. See `make-byte-code' for the usual
- way to create byte-compiled functions.
-
- `curry' -- A curried function. Remaining arguments are a function to
- call, and arguments to prepend to user arguments at the
- time of the call; see the `curry' function.
-
-usage: (funvec KIND &rest PARAMS) */)
- (int nargs, Lisp_Object *args)
-{
- return make_funvec (args[0], 0, nargs - 1, args + 1);
-}
-
-
DEFUN ("make-byte-code", Fmake_byte_code, Smake_byte_code, 4, MANY, 0,
doc: /* Create a byte-code object with specified arguments as elements.
-The arguments should be the arglist, bytecode-string, constant vector,
-stack size, (optional) doc string, and (optional) interactive spec.
+The arguments should be the ARGLIST, bytecode-string BYTE-CODE, constant
+vector CONSTANTS, maximum stack size DEPTH, (optional) DOCSTRING,
+and (optional) INTERACTIVE-SPEC.
The first four arguments are required; at most six have any
significance.
+The ARGLIST can be either like the one of `lambda', in which case the arguments
+will be dynamically bound before executing the byte code, or it can be an
+integer of the form NNNNNNNRMMMMMMM where the 7bit MMMMMMM specifies the
+minimum number of arguments, the 7-bit NNNNNNN specifies the maximum number
+of arguments (ignoring &rest) and the R bit specifies whether there is a &rest
+argument to catch the left-over arguments. If such an integer is used, the
+arguments will not be dynamically bound but will be instead pushed on the
+stack before executing the byte-code.
usage: (make-byte-code ARGLIST BYTE-CODE CONSTANTS DEPTH &optional DOCSTRING INTERACTIVE-SPEC &rest ELEMENTS) */)
- (register int nargs, Lisp_Object *args)
+ (register size_t nargs, Lisp_Object *args)
{
register Lisp_Object len, val;
- register int index;
+ register size_t i;
register struct Lisp_Vector *p;
- /* Make sure the arg-list is really a list, as that's what's used to
- distinguish a byte-compiled object from other funvecs. */
- CHECK_LIST (args[0]);
-
XSETFASTINT (len, nargs);
if (!NILP (Vpurify_flag))
val = make_pure_vector ((EMACS_INT) nargs);
args[1] = Fstring_as_unibyte (args[1]);
p = XVECTOR (val);
- for (index = 0; index < nargs; index++)
+ for (i = 0; i < nargs; i++)
{
if (!NILP (Vpurify_flag))
- args[index] = Fpurecopy (args[index]);
- p->contents[index] = args[index];
+ args[i] = Fpurecopy (args[i]);
+ p->contents[i] = args[i];
}
- XSETPVECTYPE (p, PVEC_FUNVEC);
- XSETFUNVEC (val, p);
+ XSETPVECTYPE (p, PVEC_COMPILED);
+ XSETCOMPILED (val, p);
return val;
}
must not have been killed. */
return (m->type == MEM_TYPE_BUFFER
&& p == m->start
- && !NILP (((struct buffer *) p)->name));
+ && !NILP (((struct buffer *) p)->BUFFER_INTERNAL_FIELD (name)));
}
#endif /* GC_MARK_STACK || defined GC_MALLOC_CHECK */
check_gcpros (void)
{
struct gcpro *p;
- int i;
+ size_t i;
for (p = gcprolist; p; p = p->next)
for (i = 0; i < p->nvars; ++i)
mark_stack (void)
{
int i;
- /* jmp_buf may not be aligned enough on darwin-ppc64 */
- union aligned_jmpbuf {
- Lisp_Object o;
- jmp_buf j;
- } j;
- volatile int stack_grows_down_p = (char *) &j > (char *) stack_base;
void *end;
#ifdef HAVE___BUILTIN_UNWIND_INIT
__builtin_unwind_init ();
end = &end;
#else /* not HAVE___BUILTIN_UNWIND_INIT */
+#ifndef GC_SAVE_REGISTERS_ON_STACK
+ /* jmp_buf may not be aligned enough on darwin-ppc64 */
+ union aligned_jmpbuf {
+ Lisp_Object o;
+ jmp_buf j;
+ } j;
+ volatile int stack_grows_down_p = (char *) &j > (char *) stack_base;
+#endif
/* This trick flushes the register windows so that all the state of
the process is contained in the stack. */
/* Fixme: Code in the Boehm GC suggests flushing (with `flushrs') is
obj = make_pure_string (SSDATA (obj), SCHARS (obj),
SBYTES (obj),
STRING_MULTIBYTE (obj));
- else if (FUNVECP (obj) || VECTORP (obj))
+ else if (COMPILEDP (obj) || VECTORP (obj))
{
register struct Lisp_Vector *vec;
register EMACS_INT i;
vec = XVECTOR (make_pure_vector (size));
for (i = 0; i < size; i++)
vec->contents[i] = Fpurecopy (XVECTOR (obj)->contents[i]);
- if (FUNVECP (obj))
+ if (COMPILEDP (obj))
{
- XSETPVECTYPE (vec, PVEC_FUNVEC);
- XSETFUNVEC (obj, vec);
+ XSETPVECTYPE (vec, PVEC_COMPILED);
+ XSETCOMPILED (obj, vec);
}
else
XSETVECTOR (obj, vec);
(void)
{
register struct specbinding *bind;
- struct catchtag *catch;
- struct handler *handler;
char stack_top_variable;
- register int i;
+ register size_t i;
int message_p;
Lisp_Object total[8];
int count = SPECPDL_INDEX ();
turned off in that buffer. Calling truncate_undo_list on
Qt tends to return NULL, which effectively turns undo back on.
So don't call truncate_undo_list if undo_list is Qt. */
- if (! NILP (nextb->name) && ! EQ (nextb->undo_list, Qt))
+ if (! NILP (nextb->BUFFER_INTERNAL_FIELD (name)) && ! EQ (nextb->BUFFER_INTERNAL_FIELD (undo_list), Qt))
truncate_undo_list (nextb);
/* Shrink buffer gaps, but skip indirect and dead buffers. */
- if (nextb->base_buffer == 0 && !NILP (nextb->name)
+ if (nextb->base_buffer == 0 && !NILP (nextb->BUFFER_INTERNAL_FIELD (name))
&& ! nextb->text->inhibit_shrinking)
{
/* If a buffer's gap size is more than 10% of the buffer
#if MAX_SAVE_STACK > 0
if (NILP (Vpurify_flag))
{
- i = &stack_top_variable - stack_bottom;
- if (i < 0) i = -i;
- if (i < MAX_SAVE_STACK)
+ char *stack;
+ size_t stack_size;
+ if (&stack_top_variable < stack_bottom)
+ {
+ stack = &stack_top_variable;
+ stack_size = stack_bottom - &stack_top_variable;
+ }
+ else
+ {
+ stack = stack_bottom;
+ stack_size = &stack_top_variable - stack_bottom;
+ }
+ if (stack_size <= MAX_SAVE_STACK)
{
- if (stack_copy == 0)
- stack_copy = (char *) xmalloc (stack_copy_size = i);
- else if (stack_copy_size < i)
- stack_copy = (char *) xrealloc (stack_copy, (stack_copy_size = i));
- if (stack_copy)
+ if (stack_copy_size < stack_size)
{
- if ((EMACS_INT) (&stack_top_variable - stack_bottom) > 0)
- memcpy (stack_copy, stack_bottom, i);
- else
- memcpy (stack_copy, &stack_top_variable, i);
+ stack_copy = (char *) xrealloc (stack_copy, stack_size);
+ stack_copy_size = stack_size;
}
+ memcpy (stack_copy, stack, stack_size);
}
}
#endif /* MAX_SAVE_STACK > 0 */
for (i = 0; i < tail->nvars; i++)
mark_object (tail->var[i]);
}
-#endif
-
mark_byte_stack ();
+ {
+ struct catchtag *catch;
+ struct handler *handler;
+
for (catch = catchlist; catch; catch = catch->next)
{
mark_object (catch->tag);
mark_object (handler->handler);
mark_object (handler->var);
}
+ }
mark_backtrace ();
+#endif
#ifdef HAVE_WINDOW_SYSTEM
mark_fringe_data ();
turned off in that buffer. Calling truncate_undo_list on
Qt tends to return NULL, which effectively turns undo back on.
So don't call truncate_undo_list if undo_list is Qt. */
- if (! EQ (nextb->undo_list, Qt))
+ if (! EQ (nextb->BUFFER_INTERNAL_FIELD (undo_list), Qt))
{
Lisp_Object tail, prev;
- tail = nextb->undo_list;
+ tail = nextb->BUFFER_INTERNAL_FIELD (undo_list);
prev = Qnil;
while (CONSP (tail))
{
&& !XMARKER (XCAR (XCAR (tail)))->gcmarkbit)
{
if (NILP (prev))
- nextb->undo_list = tail = XCDR (tail);
+ nextb->BUFFER_INTERNAL_FIELD (undo_list) = tail = XCDR (tail);
else
{
tail = XCDR (tail);
}
/* Now that we have stripped the elements that need not be in the
undo_list any more, we can finally mark the list. */
- mark_object (nextb->undo_list);
+ mark_object (nextb->BUFFER_INTERNAL_FIELD (undo_list));
nextb = nextb->next;
}
if (FLOATP (Vgc_cons_percentage))
{ /* Set gc_cons_combined_threshold. */
- EMACS_INT total = 0;
-
- total += total_conses * sizeof (struct Lisp_Cons);
- total += total_symbols * sizeof (struct Lisp_Symbol);
- total += total_markers * sizeof (union Lisp_Misc);
- total += total_string_size;
- total += total_vector_size * sizeof (Lisp_Object);
- total += total_floats * sizeof (struct Lisp_Float);
- total += total_intervals * sizeof (struct interval);
- total += total_strings * sizeof (struct Lisp_String);
-
- gc_relative_threshold = total * XFLOAT_DATA (Vgc_cons_percentage);
+ EMACS_INT tot = 0;
+
+ tot += total_conses * sizeof (struct Lisp_Cons);
+ tot += total_symbols * sizeof (struct Lisp_Symbol);
+ tot += total_markers * sizeof (union Lisp_Misc);
+ tot += total_string_size;
+ tot += total_vector_size * sizeof (Lisp_Object);
+ tot += total_floats * sizeof (struct Lisp_Float);
+ tot += total_intervals * sizeof (struct interval);
+ tot += total_strings * sizeof (struct Lisp_String);
+
+ gc_relative_threshold = tot * XFLOAT_DATA (Vgc_cons_percentage);
}
else
gc_relative_threshold = 0;
if (!NILP (Vpost_gc_hook))
{
- int count = inhibit_garbage_collection ();
+ int gc_count = inhibit_garbage_collection ();
safe_run_hooks (Qpost_gc_hook);
- unbind_to (count, Qnil);
+ unbind_to (gc_count, Qnil);
}
/* Accumulate statistics. */
links of a list, in mark_object. In debugging,
the call to abort will hit a breakpoint.
Normally this is zero and the check never goes off. */
-static int mark_object_loop_halt;
+static size_t mark_object_loop_halt;
static void
mark_vectorlike (struct Lisp_Vector *ptr)
void *po;
struct mem_node *m;
#endif
- int cdr_count = 0;
+ size_t cdr_count = 0;
loop:
#else /* not GC_CHECK_MARKED_OBJECTS */
-#define CHECK_ALLOCATED() (void) 0
#define CHECK_LIVE(LIVEP) (void) 0
#define CHECK_ALLOCATED_AND_LIVE(LIVEP) (void) 0
}
else if (SUBRP (obj))
break;
- else if (FUNVECP (obj) && FUNVEC_COMPILED_P (obj))
+ else if (COMPILEDP (obj))
/* We could treat this just like a vector, but it is better to
save the COMPILED_CONSTANTS element for last and avoid
recursion there. */
/* buffer-local Lisp variables start at `undo_list',
tho only the ones from `name' on are GC'd normally. */
- for (ptr = &buffer->name;
+ for (ptr = &buffer->BUFFER_INTERNAL_FIELD (name);
(char *)ptr < (char *)buffer + sizeof (struct buffer);
ptr++)
mark_object (*ptr);
{
Lisp_Object end;
- XSETINT (end, (EMACS_INT) sbrk (0) / 1024);
+ XSETINT (end, (EMACS_INT) (char *) sbrk (0) / 1024);
return end;
}
defsubr (&Scons);
defsubr (&Slist);
defsubr (&Svector);
- defsubr (&Sfunvec);
defsubr (&Smake_byte_code);
defsubr (&Smake_list);
defsubr (&Smake_vector);
HCoop / bpt / emacs.git / blobdiff