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-rw-r--r--lib/libutils/isoc/include/malloc.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/lib/libutils/isoc/include/malloc.h b/lib/libutils/isoc/include/malloc.h
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+++ b/lib/libutils/isoc/include/malloc.h
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+/*
+ * Copyright (c) 2014, STMicroelectronics International N.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef MALLOC_H
+#define MALLOC_H
+
+#include <stddef.h>
+#include <types_ext.h>
+
+extern unsigned int __malloc_spinlock;
+
+void free(void *ptr);
+
+#ifdef ENABLE_MDBG
+
+void *mdbg_malloc(const char *fname, int lineno, size_t size);
+void *mdbg_calloc(const char *fname, int lineno, size_t nmemb, size_t size);
+void *mdbg_realloc(const char *fname, int lineno, void *ptr, size_t size);
+void *mdbg_memalign(const char *fname, int lineno, size_t alignment,
+ size_t size);
+
+void mdbg_check(int bufdump);
+
+#define malloc(size) mdbg_malloc(__FILE__, __LINE__, (size))
+#define calloc(nmemb, size) \
+ mdbg_calloc(__FILE__, __LINE__, (nmemb), (size))
+#define realloc(ptr, size) \
+ mdbg_realloc(__FILE__, __LINE__, (ptr), (size))
+#define memalign(alignment, size) \
+ mdbg_memalign(__FILE__, __LINE__, (alignment), (size))
+
+#else
+
+void *malloc(size_t size);
+void *calloc(size_t nmemb, size_t size);
+void *realloc(void *ptr, size_t size);
+void *memalign(size_t alignment, size_t size);
+
+#define mdbg_check(x) do { } while (0)
+
+#endif
+
+
+/*
+ * Returns true if the supplied memory area is within a buffer
+ * previously allocated (and not freed yet).
+ *
+ * Used internally by TAs
+ */
+bool malloc_buffer_is_within_alloced(void *buf, size_t len);
+
+/*
+ * Returns true if the supplied memory area is overlapping the area used
+ * for heap.
+ *
+ * Used internally by TAs
+ */
+bool malloc_buffer_overlaps_heap(void *buf, size_t len);
+
+/*
+ * Adds a pool of memory to allocate from.
+ */
+void malloc_add_pool(void *buf, size_t len);
+
+#ifdef CFG_WITH_STATS
+/*
+ * Get/reset allocation statistics
+ */
+
+#define TEE_ALLOCATOR_DESC_LENGTH 32
+struct malloc_stats {
+ char desc[TEE_ALLOCATOR_DESC_LENGTH];
+ uint32_t allocated; /* Bytes currently allocated */
+ uint32_t max_allocated; /* Tracks max value of allocated */
+ uint32_t size; /* Total size for this allocator */
+ uint32_t num_alloc_fail; /* Number of failed alloc requests */
+ uint32_t biggest_alloc_fail; /* Size of biggest failed alloc */
+ uint32_t biggest_alloc_fail_used; /* Alloc bytes when above occurred */
+};
+
+void malloc_get_stats(struct malloc_stats *stats);
+void malloc_reset_stats(void);
+#endif /* CFG_WITH_STATS */
+
+#endif /* MALLOC_H */