/* Simple garbage collection for the GNU compiler.
- Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+ Free Software Foundation, Inc.
This file is part of GCC.
/* Local function prototypes. */
-static void tree_insert PARAMS ((struct ggc_mem *));
-static int tree_lookup PARAMS ((struct ggc_mem *));
-static void clear_marks PARAMS ((struct ggc_mem *));
-static void sweep_objs PARAMS ((struct ggc_mem **));
-static void ggc_pop_context_1 PARAMS ((struct ggc_mem *, int));
+static void tree_insert (struct ggc_mem *);
+static int tree_lookup (struct ggc_mem *);
+static void clear_marks (struct ggc_mem *);
+static void sweep_objs (struct ggc_mem **);
+static void ggc_pop_context_1 (struct ggc_mem *, int);
/* For use from debugger. */
-extern void debug_ggc_tree PARAMS ((struct ggc_mem *, int));
+extern void debug_ggc_tree (struct ggc_mem *, int);
#ifdef GGC_BALANCE
-extern void debug_ggc_balance PARAMS ((void));
+extern void debug_ggc_balance (void);
#endif
-static void tally_leaves PARAMS ((struct ggc_mem *, int, size_t *, size_t *));
+static void tally_leaves (struct ggc_mem *, int, size_t *, size_t *);
/* Insert V into the search tree. */
static inline void
-tree_insert (v)
- struct ggc_mem *v;
+tree_insert (struct ggc_mem *v)
{
size_t v_key = PTR_KEY (v);
struct ggc_mem *p, **pp;
/* Return true if V is in the tree. */
static inline int
-tree_lookup (v)
- struct ggc_mem *v;
+tree_lookup (struct ggc_mem *v)
{
size_t v_key = PTR_KEY (v);
struct ggc_mem *p = G.root;
/* Alloc SIZE bytes of GC'able memory. If ZERO, clear the memory. */
void *
-ggc_alloc (size)
- size_t size;
+ggc_alloc (size_t size)
{
struct ggc_mem *x;
/* Mark a node. */
int
-ggc_set_mark (p)
- const void *p;
+ggc_set_mark (const void *p)
{
struct ggc_mem *x;
/* Return 1 if P has been marked, zero otherwise. */
int
-ggc_marked_p (p)
- const void *p;
+ggc_marked_p (const void *p)
{
struct ggc_mem *x;
/* Return the size of the gc-able object P. */
size_t
-ggc_get_size (p)
- const void *p;
+ggc_get_size (const void *p)
{
struct ggc_mem *x
= (struct ggc_mem *) ((const char *)p - offsetof (struct ggc_mem, u));
/* Unmark all objects. */
static void
-clear_marks (x)
- struct ggc_mem *x;
+clear_marks (struct ggc_mem *x)
{
x->mark = 0;
if (x->sub[0])
/* Free all objects in the current context that are not marked. */
static void
-sweep_objs (root)
- struct ggc_mem **root;
+sweep_objs (struct ggc_mem **root)
{
struct ggc_mem *x = *root;
if (!x)
/* The top level mark-and-sweep routine. */
void
-ggc_collect ()
+ggc_collect (void)
{
/* Avoid frequent unnecessary work by skipping collection if the
total allocations haven't expanded much since the last
/* Called once to initialize the garbage collector. */
void
-init_ggc ()
+init_ggc (void)
{
}
will not be collected while the new context is active. */
void
-ggc_push_context ()
+ggc_push_context (void)
{
G.context++;
will be merged with the old context. */
void
-ggc_pop_context ()
+ggc_pop_context (void)
{
G.context--;
if (G.root)
}
static void
-ggc_pop_context_1 (x, c)
- struct ggc_mem *x;
- int c;
+ggc_pop_context_1 (struct ggc_mem *x, int c)
{
if (x->context > c)
x->context = c;
/* Dump a tree. */
void
-debug_ggc_tree (p, indent)
- struct ggc_mem *p;
- int indent;
+debug_ggc_tree (struct ggc_mem *p, int indent)
{
int i;
for (i = 0; i < indent; ++i)
putc (' ', stderr);
- fprintf (stderr, "%lx %p\n", (unsigned long)PTR_KEY (p), (PTR) p);
+ fprintf (stderr, "%lx %p\n", (unsigned long)PTR_KEY (p), (void *) p);
if (p->sub[1])
debug_ggc_tree (p->sub[1], indent + 1);
#include <math.h>
void
-debug_ggc_balance ()
+debug_ggc_balance (void)
{
size_t nleaf, sumdepth;
/* Used by debug_ggc_balance, and also by ggc_print_statistics. */
static void
-tally_leaves (x, depth, nleaf, sumdepth)
- struct ggc_mem *x;
- int depth;
- size_t *nleaf;
- size_t *sumdepth;
+tally_leaves (struct ggc_mem *x, int depth, size_t *nleaf, size_t *sumdepth)
{
if (! x->sub[0] && !x->sub[1])
{
/* Report on GC memory usage. */
void
-ggc_print_statistics ()
+ggc_print_statistics (void)
{
struct ggc_statistics stats;
size_t nleaf = 0, sumdepth = 0;
}
\f
struct ggc_pch_data *
-init_ggc_pch ()
+init_ggc_pch (void)
{
sorry ("Generating PCH files is not supported when using ggc-simple.c");
/* It could be supported, but the code is not yet written. */
return NULL;
}
-void
-ggc_pch_count_object (d, x, size)
- struct ggc_pch_data *d ATTRIBUTE_UNUSED;
- void *x ATTRIBUTE_UNUSED;
- size_t size ATTRIBUTE_UNUSED;
+void
+ggc_pch_count_object (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ void *x ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED)
{
}
-
+
size_t
-ggc_pch_total_size (d)
- struct ggc_pch_data *d ATTRIBUTE_UNUSED;
+ggc_pch_total_size (struct ggc_pch_data *d ATTRIBUTE_UNUSED)
{
return 0;
}
void
-ggc_pch_this_base (d, base)
- struct ggc_pch_data *d ATTRIBUTE_UNUSED;
- void *base ATTRIBUTE_UNUSED;
+ggc_pch_this_base (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ void *base ATTRIBUTE_UNUSED)
{
}
char *
-ggc_pch_alloc_object (d, x, size)
- struct ggc_pch_data *d ATTRIBUTE_UNUSED;
- void *x ATTRIBUTE_UNUSED;
- size_t size ATTRIBUTE_UNUSED;
+ggc_pch_alloc_object (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ void *x ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED)
{
return NULL;
}
-void
-ggc_pch_prepare_write (d, f)
- struct ggc_pch_data * d ATTRIBUTE_UNUSED;
- FILE * f ATTRIBUTE_UNUSED;
+void
+ggc_pch_prepare_write (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ FILE * f ATTRIBUTE_UNUSED)
{
}
void
-ggc_pch_write_object (d, f, x, newx, size)
- struct ggc_pch_data * d ATTRIBUTE_UNUSED;
- FILE *f ATTRIBUTE_UNUSED;
- void *x ATTRIBUTE_UNUSED;
- void *newx ATTRIBUTE_UNUSED;
- size_t size ATTRIBUTE_UNUSED;
+ggc_pch_write_object (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ FILE *f ATTRIBUTE_UNUSED, void *x ATTRIBUTE_UNUSED,
+ void *newx ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED)
{
}
void
-ggc_pch_finish (d, f)
- struct ggc_pch_data * d ATTRIBUTE_UNUSED;
- FILE *f ATTRIBUTE_UNUSED;
+ggc_pch_finish (struct ggc_pch_data *d ATTRIBUTE_UNUSED,
+ FILE *f ATTRIBUTE_UNUSED)
{
}
void
-ggc_pch_read (f, addr)
- FILE *f ATTRIBUTE_UNUSED;
- void *addr ATTRIBUTE_UNUSED;
+ggc_pch_read (FILE *f ATTRIBUTE_UNUSED, void *addr ATTRIBUTE_UNUSED)
{
/* This should be impossible, since we won't generate any valid PCH
files for this configuration. */
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