--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/libglib/src/gmem.c Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,1052 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GLib Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * MT safe
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+#ifndef __SYMBIAN32__
+#include <signal.h>
+#endif /* __SYMBIAN32__ */
+#ifdef __SYMBIAN32__
+#include <errno.h>
+#endif /* __SYMBIAN32__ */
+
+#include "glib.h"
+#include "gthreadinit.h"
+#include "galias.h"
+
+#define MEM_PROFILE_TABLE_SIZE 4096
+#ifdef __SYMBIAN32__
+#include <glib_wsd.h>
+#endif /* __SYMBIAN32__ */
+
+#if EMULATOR
+#define g_thread_functions_for_glib_use (*_g_thread_functions_for_glib_use())
+#define g_thread_use_default_impl (*_g_thread_use_default_impl())
+#endif /* EMULATOR */
+
+#ifdef MOBILE_PORT
+#include <glowmem.h>
+#endif /* MOBILE_PORT */
+
+/* notes on macros:
+ * having G_DISABLE_CHECKS defined disables use of glib_mem_profiler_table and
+ * g_mem_profile().
+ * REALLOC_0_WORKS is defined if g_realloc (NULL, x) works.
+ * SANE_MALLOC_PROTOS is defined if the systems malloc() and friends functions
+ * match the corresponding GLib prototypes, keep configure.in and gmem.h in sync here.
+ * g_mem_gc_friendly is TRUE, freed memory should be 0-wiped.
+ */
+
+/* --- prototypes --- */
+#if EMULATOR
+
+PLS(g_mem_initialized ,gmem,gboolean)
+#define g_mem_initialized (*FUNCTION_NAME(g_mem_initialized ,gmem)())
+
+#else
+
+static gboolean g_mem_initialized = FALSE;
+
+#endif /* EMULATOR */
+
+static void g_mem_init_nomessage (void);
+
+
+/* --- malloc wrappers --- */
+#ifndef REALLOC_0_WORKS
+static gpointer
+standard_realloc (gpointer mem,
+ gsize n_bytes)
+{
+ if (!mem)
+ return malloc (n_bytes);
+ else
+ return realloc (mem, n_bytes);
+}
+#endif /* !REALLOC_0_WORKS */
+
+#ifdef SANE_MALLOC_PROTOS
+# define standard_malloc malloc
+# ifdef REALLOC_0_WORKS
+# define standard_realloc realloc
+# endif /* REALLOC_0_WORKS */
+# define standard_free free
+# define standard_calloc calloc
+# define standard_try_malloc malloc
+# define standard_try_realloc realloc
+#else /* !SANE_MALLOC_PROTOS */
+static gpointer
+standard_malloc (gsize n_bytes)
+{
+ return malloc (n_bytes);
+}
+# ifdef REALLOC_0_WORKS
+static gpointer
+standard_realloc (gpointer mem,
+ gsize n_bytes)
+{
+ return realloc (mem, n_bytes);
+}
+# endif /* REALLOC_0_WORKS */
+static void
+standard_free (gpointer mem)
+{
+ free (mem);
+}
+static gpointer
+standard_calloc (gsize n_blocks,
+ gsize n_bytes)
+{
+ return calloc (n_blocks, n_bytes);
+}
+#define standard_try_malloc standard_malloc
+#define standard_try_realloc standard_realloc
+#endif /* !SANE_MALLOC_PROTOS */
+
+
+/* --- variables --- */
+#if EMULATOR
+
+PLS(glib_mem_vtable,gmem,GMemVTable)
+#define glib_mem_vtable (*FUNCTION_NAME(glib_mem_vtable,gmem)())
+
+const GMemVTable temp_glib_mem_vtable = {
+ standard_malloc,
+ standard_realloc,
+ standard_free,
+ standard_calloc,
+ standard_try_malloc,
+ standard_try_realloc,
+};
+
+
+#else
+
+static GMemVTable glib_mem_vtable = {
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+};
+
+static const GMemVTable glib_mem_vtable_def = {
+ standard_malloc,
+ standard_realloc,
+ standard_free,
+ standard_calloc,
+ standard_try_malloc,
+ standard_try_realloc,
+};
+
+#endif /* EMULATOR */
+
+/* --- functions --- */
+EXPORT_C gpointer
+g_malloc (gulong n_bytes)
+{
+#ifdef MOBILE_PORT
+
+ return g_try_malloc(n_bytes);
+
+#else
+
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (n_bytes))
+ {
+ gpointer mem;
+#if EMULATOR
+ mem = glib_mem_vtable.malloc (n_bytes);
+#else
+ if (glib_mem_vtable.malloc)
+ mem = glib_mem_vtable.malloc (n_bytes);
+ else
+ mem = glib_mem_vtable_def.malloc (n_bytes);
+#endif
+ if (mem)
+ return mem;
+
+ g_error ("%s: failed to allocate %lu bytes", G_STRLOC, n_bytes);
+ }
+
+ return NULL;
+
+#endif /* MOBILE_PORT*/
+}
+
+EXPORT_C gpointer
+g_malloc0 (gulong n_bytes)
+{
+ #ifdef MOBILE_PORT
+ return g_try_malloc0(n_bytes);
+ #else
+
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (n_bytes))
+ {
+ gpointer mem;
+#if EMULATOR
+ mem = glib_mem_vtable.calloc (1, n_bytes);
+#else
+ if (glib_mem_vtable.calloc)
+ mem = glib_mem_vtable.calloc (1, n_bytes);
+ else
+ mem = glib_mem_vtable_def.calloc (1, n_bytes);
+#endif
+ if (mem)
+ return mem;
+
+ g_error ("%s: failed to allocate %lu bytes", G_STRLOC, n_bytes);
+ }
+
+ return NULL;
+
+ #endif /* MOBILE_PORT*/
+}
+
+EXPORT_C gpointer
+g_realloc (gpointer mem,
+ gulong n_bytes)
+{
+ #ifdef MOBILE_PORT
+
+ return g_try_realloc(mem,n_bytes);
+
+ #else
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (n_bytes))
+ {
+#if EMULATOR
+ mem = glib_mem_vtable.realloc (mem, n_bytes);
+#else
+ if (glib_mem_vtable.realloc)
+ mem = glib_mem_vtable.realloc (mem, n_bytes);
+ else
+ mem = glib_mem_vtable_def.realloc (mem, n_bytes);
+#endif
+ if (mem)
+ return mem;
+
+ g_error ("%s: failed to allocate %lu bytes", G_STRLOC, n_bytes);
+ }
+
+ if (mem)
+ {
+#if EMULATOR
+ glib_mem_vtable.free (mem);
+#else
+ if (glib_mem_vtable.free)
+ glib_mem_vtable.free (mem);
+ else
+ glib_mem_vtable_def.free (mem);
+#endif
+ return NULL;
+ #endif /* MOBILE_PORT*/
+}
+
+EXPORT_C void
+g_free (gpointer mem)
+{
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (mem))
+ {
+#ifdef MOBILE_PORT
+ {
+ mem_info * m = _get_thread_specific_data();
+ if(m && m->is_setjmp_called)
+ _findAndDestroy(&(m->stack),mem);
+#endif /* MOBILE_PORT */
+#if EMULATOR
+ glib_mem_vtable.free (mem);
+#else
+ if(glib_mem_vtable.free)
+ glib_mem_vtable.free (mem);
+ else
+ glib_mem_vtable_def.free (mem);
+#endif
+#ifdef MOBILE_PORT
+ }
+#endif /* MOBILE_PORT */
+ }
+}
+
+EXPORT_C gpointer
+g_try_malloc (gulong n_bytes)
+{
+#ifdef MOBILE_PORT
+ gpointer ptr;
+#endif /* MOBILE_PORT */
+
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (n_bytes))
+#ifdef MOBILE_PORT
+ {
+ errno = 0;
+
+#if EMULATOR
+ ptr = glib_mem_vtable.try_malloc (n_bytes);
+#else
+ if (glib_mem_vtable.try_malloc)
+ ptr = glib_mem_vtable.try_malloc (n_bytes);
+ else
+ ptr = glib_mem_vtable_def.try_malloc (n_bytes);
+#endif
+ if(ENOMEM == errno)
+ {
+ mem_info *m = _get_thread_specific_data();
+ if(!m)
+ return NULL;
+
+ if(TRUE == m->is_setjmp_called)
+ {
+ longjmp(m->buf,1);
+ }
+ }
+ else
+ {
+ mem_info *m = _get_thread_specific_data();
+
+ if(m && m->is_setjmp_called)
+ {
+ if(_push(&(m->stack),ptr))
+ {
+ free(ptr);
+ longjmp(m->buf,1);
+ }
+ }
+ }
+ return ptr;
+#else
+ {
+#if EMULATOR
+ return glib_mem_vtable.try_malloc (n_bytes);
+#else
+ if (glib_mem_vtable.try_malloc)
+ return glib_mem_vtable.try_malloc (n_bytes);
+ else
+ return glib_mem_vtable_def.try_malloc (n_bytes);
+#endif
+ }
+#endif /* MOBILE_PORT */
+#ifdef MOBILE_PORT
+ }
+#endif /* MOBILE_PORT */
+ else
+ return NULL;
+}
+
+EXPORT_C gpointer
+g_try_malloc0 (gulong n_bytes)
+{
+ gpointer mem;
+
+ mem = g_try_malloc (n_bytes);
+
+ if (mem)
+ memset (mem, 0, n_bytes);
+
+ return mem;
+}
+
+EXPORT_C gpointer
+g_try_realloc (gpointer mem,
+ gulong n_bytes)
+{
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+ if (G_LIKELY (n_bytes))
+ {
+#if EMULATOR
+ return glib_mem_vtable.try_realloc (mem, n_bytes);
+#else
+ if (glib_mem_vtable.try_realloc)
+ return glib_mem_vtable.try_realloc (mem, n_bytes);
+ else
+ return glib_mem_vtable_def.try_realloc (mem, n_bytes);
+#endif
+ }
+ if (mem)
+ {
+#if EMULATOR
+ glib_mem_vtable.free (mem);
+#else
+ if (glib_mem_vtable.free)
+ glib_mem_vtable.free (mem);
+ else
+ glib_mem_vtable_def.free (mem);
+#endif
+ }
+
+ return NULL;
+}
+
+static gpointer
+fallback_calloc (gsize n_blocks,
+ gsize n_block_bytes)
+{
+ gsize l = n_blocks * n_block_bytes;
+ gpointer mem;
+#if EMULATOR
+ mem = glib_mem_vtable.malloc (l);
+#else
+ if (glib_mem_vtable.malloc)
+ mem = glib_mem_vtable.malloc (l);
+ else
+ mem = glib_mem_vtable_def.malloc (l);
+#endif
+ if (mem)
+ memset (mem, 0, l);
+
+ return mem;
+}
+
+#if EMULATOR
+
+PLS(vtable_set ,gmem,gboolean )
+#define vtable_set (*FUNCTION_NAME(vtable_set ,gmem)())
+
+#else
+
+static gboolean vtable_set = FALSE;
+
+#endif /* EMULATOR */
+
+/**
+ * g_mem_is_system_malloc
+ *
+ * Checks whether the allocator used by g_malloc() is the system's
+ * malloc implementation. If it returns %TRUE memory allocated with
+ * malloc() can be used interchangeable with memory allocated using g_malloc().
+ * This function is useful for avoiding an extra copy of allocated memory returned
+ * by a non-GLib-based API.
+ *
+ * A different allocator can be set using g_mem_set_vtable().
+ *
+ * Return value: if %TRUE, malloc() and g_malloc() can be mixed.
+ **/
+EXPORT_C gboolean
+g_mem_is_system_malloc (void)
+{
+ return !vtable_set;
+}
+
+EXPORT_C void
+g_mem_set_vtable (GMemVTable *vtable)
+{
+ if (!vtable_set)
+ {
+ if (vtable->malloc && vtable->realloc && vtable->free)
+ {
+#if EMULATOR
+ glib_mem_vtable.malloc = vtable->malloc;
+ glib_mem_vtable.realloc = vtable->realloc;
+ glib_mem_vtable.free = vtable->free;
+ glib_mem_vtable.calloc = vtable->calloc ? vtable->calloc : fallback_calloc;
+ glib_mem_vtable.try_malloc = vtable->try_malloc ? vtable->try_malloc : glib_mem_vtable.malloc;
+ glib_mem_vtable.try_realloc = vtable->try_realloc ? vtable->try_realloc : glib_mem_vtable.realloc;
+
+#else
+ if (vtable->malloc)
+ glib_mem_vtable.malloc = vtable->malloc;
+ else
+ glib_mem_vtable.malloc = glib_mem_vtable_def.malloc;
+
+ if (vtable->realloc)
+ glib_mem_vtable.realloc = vtable->realloc;
+ else
+ glib_mem_vtable.realloc = glib_mem_vtable_def.realloc;
+
+ if (vtable->free)
+ glib_mem_vtable.free = vtable->free;
+ else
+ glib_mem_vtable.free = glib_mem_vtable_def.free;
+
+ if (vtable->calloc)
+ glib_mem_vtable.calloc = vtable->calloc;
+ else
+ glib_mem_vtable.calloc = fallback_calloc;
+
+ if (vtable->try_malloc)
+ glib_mem_vtable.try_malloc = vtable->try_malloc;
+ else
+ glib_mem_vtable.try_malloc = glib_mem_vtable_def.try_malloc;
+
+ if (vtable->try_realloc)
+ glib_mem_vtable.try_realloc = vtable->try_realloc;
+ else
+ glib_mem_vtable.try_realloc = glib_mem_vtable_def.try_realloc;
+#endif
+ vtable_set = TRUE;
+ }
+ else
+ g_warning (G_STRLOC ": memory allocation vtable lacks one of malloc(), realloc() or free()");
+ }
+ else
+ g_warning (G_STRLOC ": memory allocation vtable can only be set once at startup");
+}
+
+
+/* --- memory profiling and checking --- */
+#if EMULATOR
+
+PLS(glib_mem_profiler_table,gmem,GMemVTable *)
+#define glib_mem_profiler_table (*FUNCTION_NAME(glib_mem_profiler_table,gmem)())
+
+#endif /* EMULATOR */
+
+#ifdef G_DISABLE_CHECKS
+#if !(EMULATOR)
+GMemVTable *glib_mem_profiler_table = &glib_mem_vtable;
+#endif /* EMULATOR */
+EXPORT_C void
+g_mem_profile (void)
+{
+}
+#else /* !G_DISABLE_CHECKS */
+typedef enum {
+ PROFILER_FREE = 0,
+ PROFILER_ALLOC = 1,
+ PROFILER_RELOC = 2,
+ PROFILER_ZINIT = 4
+} ProfilerJob;
+
+#if EMULATOR
+
+PLS(profile_data ,gmem,guint *)
+PLS(profile_allocs ,gmem,gulong)
+PLS(profile_zinit ,gmem,gulong)
+PLS(profile_frees ,gmem,gulong)
+PLS(gmem_profile_mutex ,gmem,GMutex *)
+
+#define profile_data (*FUNCTION_NAME(profile_data ,gmem)())
+#define profile_allocs (*FUNCTION_NAME(profile_allocs,gmem)())
+#define profile_zinit (*FUNCTION_NAME(profile_zinit,gmem)())
+#define profile_frees (*FUNCTION_NAME(profile_frees,gmem)())
+#define gmem_profile_mutex (*FUNCTION_NAME(gmem_profile_mutex,gmem)())
+
+#else
+
+static guint *profile_data = NULL;
+static gulong profile_allocs = 0;
+static gulong profile_zinit = 0;
+static gulong profile_frees = 0;
+static GMutex *gmem_profile_mutex = NULL;
+
+#endif /* EMULATOR */
+
+#ifdef G_ENABLE_DEBUG
+static volatile gulong g_trap_free_size = 0;
+static volatile gulong g_trap_realloc_size = 0;
+static volatile gulong g_trap_malloc_size = 0;
+#endif /* G_ENABLE_DEBUG */
+
+#define PROFILE_TABLE(f1,f2,f3) ( ( ((f3) << 2) | ((f2) << 1) | (f1) ) * (MEM_PROFILE_TABLE_SIZE + 1))
+
+static void
+profiler_log (ProfilerJob job,
+ gulong n_bytes,
+ gboolean success)
+{
+ g_mutex_lock (gmem_profile_mutex);
+ if (!profile_data)
+ {
+ profile_data = standard_calloc ((MEM_PROFILE_TABLE_SIZE + 1) * 8,
+ sizeof (profile_data[0]));
+ if (!profile_data) /* memory system kiddin' me, eh? */
+ {
+ g_mutex_unlock (gmem_profile_mutex);
+ return;
+ }
+ }
+
+ if (n_bytes < MEM_PROFILE_TABLE_SIZE)
+ profile_data[n_bytes + PROFILE_TABLE ((job & PROFILER_ALLOC) != 0,
+ (job & PROFILER_RELOC) != 0,
+ success != 0)] += 1;
+ else
+ profile_data[MEM_PROFILE_TABLE_SIZE + PROFILE_TABLE ((job & PROFILER_ALLOC) != 0,
+ (job & PROFILER_RELOC) != 0,
+ success != 0)] += 1;
+ if (success)
+ {
+ if (job & PROFILER_ALLOC)
+ {
+ profile_allocs += n_bytes;
+ if (job & PROFILER_ZINIT)
+ profile_zinit += n_bytes;
+ }
+ else
+ profile_frees += n_bytes;
+ }
+ g_mutex_unlock (gmem_profile_mutex);
+}
+
+static void
+profile_print_locked (guint *local_data,
+ gboolean success)
+{
+ gboolean need_header = TRUE;
+ guint i;
+
+ for (i = 0; i <= MEM_PROFILE_TABLE_SIZE; i++)
+ {
+ glong t_malloc = local_data[i + PROFILE_TABLE (1, 0, success)];
+ glong t_realloc = local_data[i + PROFILE_TABLE (1, 1, success)];
+ glong t_free = local_data[i + PROFILE_TABLE (0, 0, success)];
+ glong t_refree = local_data[i + PROFILE_TABLE (0, 1, success)];
+
+ if (!t_malloc && !t_realloc && !t_free && !t_refree)
+ continue;
+ else if (need_header)
+ {
+ need_header = FALSE;
+ g_print (" blocks of | allocated | freed | allocated | freed | n_bytes \n");
+ g_print (" n_bytes | n_times by | n_times by | n_times by | n_times by | remaining \n");
+ g_print (" | malloc() | free() | realloc() | realloc() | \n");
+ g_print ("===========|============|============|============|============|===========\n");
+ }
+ if (i < MEM_PROFILE_TABLE_SIZE)
+ g_print ("%10u | %10ld | %10ld | %10ld | %10ld |%+11ld\n",
+ i, t_malloc, t_free, t_realloc, t_refree,
+ (t_malloc - t_free + t_realloc - t_refree) * i);
+ else if (i >= MEM_PROFILE_TABLE_SIZE)
+ g_print (" >%6u | %10ld | %10ld | %10ld | %10ld | ***\n",
+ i, t_malloc, t_free, t_realloc, t_refree);
+ }
+ if (need_header)
+ g_print (" --- none ---\n");
+}
+
+EXPORT_C void
+g_mem_profile (void)
+{
+ #if EMULATOR
+ guint local_data[(MEM_PROFILE_TABLE_SIZE + 1) * 8 * sizeof (profile_data[0])];
+ #else
+ static guint local_data[(MEM_PROFILE_TABLE_SIZE + 1) * 8 * sizeof (profile_data[0])];
+ #endif /* EMULATOR */
+ gulong local_allocs;
+ gulong local_zinit;
+ gulong local_frees;
+
+ if (G_UNLIKELY (!g_mem_initialized))
+ g_mem_init_nomessage();
+
+ g_mutex_lock (gmem_profile_mutex);
+
+ local_allocs = profile_allocs;
+ local_zinit = profile_zinit;
+ local_frees = profile_frees;
+
+ if (!profile_data)
+ {
+ g_mutex_unlock (gmem_profile_mutex);
+ return;
+ }
+
+ memcpy (local_data, profile_data,
+ (MEM_PROFILE_TABLE_SIZE + 1) * 8 * sizeof (profile_data[0]));
+
+ g_mutex_unlock (gmem_profile_mutex);
+
+ g_print ("GLib Memory statistics (successful operations):\n");
+ profile_print_locked (local_data, TRUE);
+ g_print ("GLib Memory statistics (failing operations):\n");
+ profile_print_locked (local_data, FALSE);
+ g_print ("Total bytes: allocated=%lu, zero-initialized=%lu (%.2f%%), freed=%lu (%.2f%%), remaining=%lu\n",
+ local_allocs,
+ local_zinit,
+ ((gdouble) local_zinit) / local_allocs * 100.0,
+ local_frees,
+ ((gdouble) local_frees) / local_allocs * 100.0,
+ local_allocs - local_frees);
+}
+
+static gpointer
+profiler_try_malloc (gsize n_bytes)
+{
+ gulong *p;
+
+#ifdef G_ENABLE_DEBUG
+ if (g_trap_malloc_size == n_bytes)
+ G_BREAKPOINT ();
+#endif /* G_ENABLE_DEBUG */
+
+ p = standard_malloc (sizeof (gulong) * 2 + n_bytes);
+
+ if (p)
+ {
+ p[0] = 0; /* free count */
+ p[1] = n_bytes; /* length */
+ profiler_log (PROFILER_ALLOC, n_bytes, TRUE);
+ p += 2;
+ }
+ else
+ profiler_log (PROFILER_ALLOC, n_bytes, FALSE);
+
+ return p;
+}
+
+static gpointer
+profiler_malloc (gsize n_bytes)
+{
+ gpointer mem = profiler_try_malloc (n_bytes);
+
+ if (!mem)
+ g_mem_profile ();
+
+ return mem;
+}
+
+static gpointer
+profiler_calloc (gsize n_blocks,
+ gsize n_block_bytes)
+{
+ gsize l = n_blocks * n_block_bytes;
+ gulong *p;
+
+#ifdef G_ENABLE_DEBUG
+ if (g_trap_malloc_size == l)
+ G_BREAKPOINT ();
+#endif /* G_ENABLE_DEBUG */
+
+ p = standard_calloc (1, sizeof (gulong) * 2 + l);
+
+ if (p)
+ {
+ p[0] = 0; /* free count */
+ p[1] = l; /* length */
+ profiler_log (PROFILER_ALLOC | PROFILER_ZINIT, l, TRUE);
+ p += 2;
+ }
+ else
+ {
+ profiler_log (PROFILER_ALLOC | PROFILER_ZINIT, l, FALSE);
+ g_mem_profile ();
+ }
+
+ return p;
+}
+
+static void
+profiler_free (gpointer mem)
+{
+ gulong *p = mem;
+
+ p -= 2;
+ if (p[0]) /* free count */
+ {
+ g_warning ("free(%p): memory has been freed %lu times already", p + 2, p[0]);
+ profiler_log (PROFILER_FREE,
+ p[1], /* length */
+ FALSE);
+ }
+ else
+ {
+#ifdef G_ENABLE_DEBUG
+ if (g_trap_free_size == p[1])
+ G_BREAKPOINT ();
+#endif /* G_ENABLE_DEBUG */
+
+ profiler_log (PROFILER_FREE,
+ p[1], /* length */
+ TRUE);
+ memset (p + 2, 0xaa, p[1]);
+
+ /* for all those that miss standard_free (p); in this place, yes,
+ * we do leak all memory when profiling, and that is intentional
+ * to catch double frees. patch submissions are futile.
+ */
+ }
+ p[0] += 1;
+}
+
+static gpointer
+profiler_try_realloc (gpointer mem,
+ gsize n_bytes)
+{
+ gulong *p = mem;
+
+ p -= 2;
+
+#ifdef G_ENABLE_DEBUG
+ if (g_trap_realloc_size == n_bytes)
+ G_BREAKPOINT ();
+#endif /* G_ENABLE_DEBUG */
+
+ if (mem && p[0]) /* free count */
+ {
+ g_warning ("realloc(%p, %lu): memory has been freed %lu times already", p + 2, (gulong)n_bytes, p[0]);
+ profiler_log (PROFILER_ALLOC | PROFILER_RELOC, n_bytes, FALSE);
+
+ return NULL;
+ }
+ else
+ {
+ p = standard_realloc (mem ? p : NULL, sizeof (gulong) * 2 + n_bytes);
+
+ if (p)
+ {
+ if (mem)
+ profiler_log (PROFILER_FREE | PROFILER_RELOC, p[1], TRUE);
+ p[0] = 0;
+ p[1] = n_bytes;
+ profiler_log (PROFILER_ALLOC | PROFILER_RELOC, p[1], TRUE);
+ p += 2;
+ }
+ else
+ profiler_log (PROFILER_ALLOC | PROFILER_RELOC, n_bytes, FALSE);
+
+ return p;
+ }
+}
+
+static gpointer
+profiler_realloc (gpointer mem,
+ gsize n_bytes)
+{
+ mem = profiler_try_realloc (mem, n_bytes);
+
+ if (!mem)
+ g_mem_profile ();
+
+ return mem;
+}
+
+#if EMULATOR
+
+PLS(profiler_table,gmem,GMemVTable)
+#define profiler_table (*FUNCTION_NAME(profiler_table,gmem)())
+
+const GMemVTable temp_profiler_table = {
+ profiler_malloc,
+ profiler_realloc,
+ profiler_free,
+ profiler_calloc,
+ profiler_try_malloc,
+ profiler_try_realloc,
+};
+
+
+#else
+
+static GMemVTable profiler_table = {
+ profiler_malloc,
+ profiler_realloc,
+ profiler_free,
+ profiler_calloc,
+ profiler_try_malloc,
+ profiler_try_realloc,
+};
+
+#endif /* EMULATOR */
+#if !(EMULATOR)
+GMemVTable *glib_mem_profiler_table = &profiler_table;
+#endif /* EMULATOR */
+
+#ifdef __SYMBIAN32__
+EXPORT_C GMemVTable ** _glib_mem_profiler_table()
+{
+ return &glib_mem_profiler_table;
+}
+#endif /* __SYMBIAN32__ */
+
+
+#endif /* !G_DISABLE_CHECKS */
+
+/* --- MemChunks --- */
+#ifndef G_ALLOC_AND_FREE
+typedef struct _GAllocator GAllocator;
+typedef struct _GMemChunk GMemChunk;
+#define G_ALLOC_ONLY 1
+#define G_ALLOC_AND_FREE 2
+#endif
+
+struct _GMemChunk {
+ guint alloc_size; /* the size of an atom */
+};
+
+EXPORT_C GMemChunk*
+g_mem_chunk_new (const gchar *name,
+ gint atom_size,
+ gulong area_size,
+ gint type)
+{
+ GMemChunk *mem_chunk;
+ g_return_val_if_fail (atom_size > 0, NULL);
+
+ mem_chunk = g_slice_new (GMemChunk);
+ mem_chunk->alloc_size = atom_size;
+ return mem_chunk;
+}
+
+EXPORT_C void
+g_mem_chunk_destroy (GMemChunk *mem_chunk)
+{
+ g_return_if_fail (mem_chunk != NULL);
+
+ g_slice_free (GMemChunk, mem_chunk);
+}
+
+EXPORT_C gpointer
+g_mem_chunk_alloc (GMemChunk *mem_chunk)
+{
+ g_return_val_if_fail (mem_chunk != NULL, NULL);
+
+ return g_slice_alloc (mem_chunk->alloc_size);
+}
+
+EXPORT_C gpointer
+g_mem_chunk_alloc0 (GMemChunk *mem_chunk)
+{
+ g_return_val_if_fail (mem_chunk != NULL, NULL);
+
+ return g_slice_alloc0 (mem_chunk->alloc_size);
+}
+
+EXPORT_C void
+g_mem_chunk_free (GMemChunk *mem_chunk,
+ gpointer mem)
+{
+ g_return_if_fail (mem_chunk != NULL);
+
+ g_slice_free1 (mem_chunk->alloc_size, mem);
+}
+
+EXPORT_C void g_mem_chunk_clean (GMemChunk *mem_chunk) {}
+EXPORT_C void g_mem_chunk_reset (GMemChunk *mem_chunk) {}
+EXPORT_C void g_mem_chunk_print (GMemChunk *mem_chunk) {}
+EXPORT_C void g_mem_chunk_info (void) {}
+EXPORT_C void g_blow_chunks (void) {}
+
+#if EMULATOR
+
+PLS(dummy ,g_allocator_new,struct _GAllocator)
+#define dummy (*FUNCTION_NAME(dummy ,g_allocator_new)())
+
+#endif /* EMULATOR */
+
+EXPORT_C GAllocator*
+g_allocator_new (const gchar *name,
+ guint n_preallocs)
+{
+ #if !(EMULATOR)
+ static struct _GAllocator {
+ gchar *name;
+ guint16 n_preallocs;
+ guint is_unused : 1;
+ guint type : 4;
+ GAllocator *last;
+ GMemChunk *mem_chunk;
+ gpointer free_list;
+ } dummy = {
+ "GAllocator is deprecated", 1, TRUE, 0, NULL, NULL, NULL,
+ };
+ #endif /* !(EMULATOR)
+ /* some (broken) GAllocator uses depend on non-NULL allocators */
+ return (void*) &dummy;
+}
+
+#if EMULATOR
+#undef dummy
+#endif /* EMULATOR */
+
+EXPORT_C void
+g_allocator_free (GAllocator *allocator)
+{
+}
+
+#if EMULATOR
+
+PLS(g_mem_gc_friendly ,gmem,gboolean)
+#define g_mem_gc_friendly (*FUNCTION_NAME(g_mem_gc_friendly ,gmem)())
+
+#else
+
+#ifdef ENABLE_GC_FRIENDLY_DEFAULT
+gboolean g_mem_gc_friendly = TRUE;
+#else
+gboolean g_mem_gc_friendly = FALSE;
+#endif
+
+#endif /* EMULATOR */
+
+#ifdef __SYMBIAN32__
+EXPORT_C gboolean * _g_mem_gc_friendly()
+{
+ return &g_mem_gc_friendly;
+}
+#endif /* __SYMBIAN32__ */
+
+
+static void
+g_mem_init_nomessage (void)
+{
+ gchar buffer[1024];
+ const gchar *val;
+ static const GDebugKey keys[] = {
+ { "gc-friendly", 1 },
+ };
+ gint flags;
+ if (g_mem_initialized)
+ return;
+ /* don't use g_malloc/g_message here */
+ val = _g_getenv_nomalloc ("G_DEBUG", buffer);
+ flags = !val ? 0 : g_parse_debug_string (val, keys, G_N_ELEMENTS (keys));
+ if (flags & 1) /* gc-friendly */
+ {
+ g_mem_gc_friendly = TRUE;
+ }
+ g_mem_initialized = TRUE;
+}
+
+void
+_g_mem_thread_init_noprivate_nomessage (void)
+{
+ /* we may only create mutexes here, locking/
+ * unlocking a mutex does not yet work.
+ */
+ g_mem_init_nomessage();
+#ifndef G_DISABLE_CHECKS
+ gmem_profile_mutex = g_mutex_new ();
+#endif
+}
+
+#define __G_MEM_C__
+#include "galiasdef.c"