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-rw-r--r--core/os/memory.cpp99
-rw-r--r--core/os/memory.h3
-rw-r--r--core/safe_refcount.cpp67
-rw-r--r--core/safe_refcount.h4
4 files changed, 51 insertions, 122 deletions
diff --git a/core/os/memory.cpp b/core/os/memory.cpp
index dfc62bf981..069ee48fae 100644
--- a/core/os/memory.cpp
+++ b/core/os/memory.cpp
@@ -29,7 +29,6 @@
/*************************************************************************/
#include "memory.h"
#include "copymem.h"
-#include "core/safe_refcount.h"
#include "error_macros.h"
#include <stdio.h>
#include <stdlib.h>
@@ -44,44 +43,42 @@ void *operator new(size_t p_size, void *(*p_allocfunc)(size_t p_size)) {
return p_allocfunc(p_size);
}
+#include <stdio.h>
+
#ifdef DEBUG_ENABLED
size_t Memory::mem_usage = 0;
size_t Memory::max_usage = 0;
-#ifdef DEBUG_MEMORY_TAGGING
-#define MEM_UNINIT_TAG 0xEA
-#define MEM_RELEASED_TAG 0xAE
-#endif
-#define PREPAD true
-#else
-#define PREPAD p_pad_align
#endif
-uint64_t Memory::alloc_count = 0;
+size_t Memory::alloc_count = 0;
void *Memory::alloc_static(size_t p_bytes, bool p_pad_align) {
- void *mem = malloc(p_bytes + (PREPAD ? PAD_ALIGN : 0));
+#ifdef DEBUG_ENABLED
+ bool prepad = true;
+#else
+ bool prepad = p_pad_align;
+#endif
+
+ void *mem = malloc(p_bytes + (prepad ? PAD_ALIGN : 0));
+
+ alloc_count++;
ERR_FAIL_COND_V(!mem, NULL);
- atomic_increment(&alloc_count);
+ if (prepad) {
+ uint64_t *s = (uint64_t *)mem;
+ *s = p_bytes;
+
+ uint8_t *s8 = (uint8_t *)mem;
- if (PREPAD) {
#ifdef DEBUG_ENABLED
mem_usage += p_bytes;
if (mem_usage > max_usage) {
max_usage = mem_usage;
}
#endif
-
- uint64_t *s = (uint64_t *)mem;
- *s = p_bytes;
-
- uint8_t *s8 = (uint8_t *)mem + PAD_ALIGN;
-#if defined DEBUG_ENABLED && defined DEBUG_MEMORY_TAGGING
- memset(s8, MEM_UNINIT_TAG, p_bytes);
-#endif
- return s8;
+ return s8 + PAD_ALIGN;
} else {
return mem;
}
@@ -95,44 +92,38 @@ void *Memory::realloc_static(void *p_memory, size_t p_bytes, bool p_pad_align) {
uint8_t *mem = (uint8_t *)p_memory;
- if (PREPAD) {
+#ifdef DEBUG_ENABLED
+ bool prepad = true;
+#else
+ bool prepad = p_pad_align;
+#endif
+
+ if (prepad) {
mem -= PAD_ALIGN;
uint64_t *s = (uint64_t *)mem;
- if (p_bytes == 0) {
#ifdef DEBUG_ENABLED
- mem_usage -= *s;
-#ifdef DEBUG_MEMORY_TAGGING
- memset(mem, MEM_RELEASED_TAG, PAD_ALIGN + *s);
-#endif
+ mem_usage -= *s;
+ mem_usage += p_bytes;
#endif
+
+ if (p_bytes == 0) {
free(mem);
return NULL;
} else {
-#if defined DEBUG_ENABLED && defined DEBUG_MEMORY_TAGGING
- if (p_bytes < *s) {
- memset(mem + PAD_ALIGN + p_bytes, MEM_RELEASED_TAG, *s - p_bytes);
- }
-#endif
+ *s = p_bytes;
mem = (uint8_t *)realloc(mem, p_bytes + PAD_ALIGN);
ERR_FAIL_COND_V(!mem, NULL);
s = (uint64_t *)mem;
-#ifdef DEBUG_ENABLED
- mem_usage -= *s;
- mem_usage += p_bytes;
-#ifdef DEBUG_MEMORY_TAGGING
- if (p_bytes > *s) {
- memset(mem + PAD_ALIGN + *s, MEM_UNINIT_TAG, p_bytes - *s);
- }
-#endif
-#endif
+
*s = p_bytes;
return mem + PAD_ALIGN;
}
} else {
+
mem = (uint8_t *)realloc(mem, p_bytes);
ERR_FAIL_COND_V(mem == NULL && p_bytes > 0, NULL);
@@ -147,19 +138,27 @@ void Memory::free_static(void *p_ptr, bool p_pad_align) {
uint8_t *mem = (uint8_t *)p_ptr;
- if (PREPAD) {
- mem -= PAD_ALIGN;
#ifdef DEBUG_ENABLED
- const uint64_t s = *((uint64_t *)mem);
- mem_usage -= s;
-#ifdef DEBUG_MEMORY_TAGGING
- memset(mem, MEM_RELEASED_TAG, PAD_ALIGN + s);
+ bool prepad = true;
+#else
+ bool prepad = p_pad_align;
#endif
+
+ alloc_count--;
+
+ if (prepad) {
+ mem -= PAD_ALIGN;
+ uint64_t *s = (uint64_t *)mem;
+
+#ifdef DEBUG_ENABLED
+ mem_usage -= *s;
#endif
- }
- atomic_decrement(&alloc_count);
- free(mem);
+ free(mem);
+ } else {
+
+ free(mem);
+ }
}
size_t Memory::get_mem_available() {
diff --git a/core/os/memory.h b/core/os/memory.h
index 8c3e26219a..b3eb599955 100644
--- a/core/os/memory.h
+++ b/core/os/memory.h
@@ -48,7 +48,8 @@ class Memory {
static size_t mem_usage;
static size_t max_usage;
#endif
- static uint64_t alloc_count;
+
+ static size_t alloc_count;
public:
static void *alloc_static(size_t p_bytes, bool p_pad_align = false);
diff --git a/core/safe_refcount.cpp b/core/safe_refcount.cpp
index 95a274cda7..e4a5a994e6 100644
--- a/core/safe_refcount.cpp
+++ b/core/safe_refcount.cpp
@@ -57,30 +57,6 @@ uint32_t atomic_decrement(register uint32_t *pw) {
return *pw;
}
-uint64_t atomic_conditional_increment(register uint64_t *pw) {
-
- if (*pw == 0)
- return 0;
-
- (*pw)++;
-
- return *pw;
-}
-
-uint64_t atomic_increment(register uint64_t *pw) {
-
- (*pw)++;
-
- return *pw;
-}
-
-uint64_t atomic_decrement(register uint64_t *pw) {
-
- (*pw)--;
-
- return *pw;
-}
-
#else
#ifdef _MSC_VER
@@ -108,28 +84,6 @@ uint32_t atomic_decrement(register uint32_t *pw) {
uint32_t atomic_increment(register uint32_t *pw) {
return InterlockedIncrement((LONG volatile *)pw);
}
-
-uint64_t atomic_conditional_increment(register uint64_t *pw) {
-
- /* try to increment until it actually works */
- // taken from boost
-
- while (true) {
- uint64_t tmp = static_cast<uint64_t const volatile &>(*pw);
- if (tmp == 0)
- return 0; // if zero, can't add to it anymore
- if (InterlockedCompareExchange64((LONGLONG volatile *)pw, tmp + 1, tmp) == tmp)
- return tmp + 1;
- }
-}
-
-uint64_t atomic_decrement(register uint64_t *pw) {
- return InterlockedDecrement64((LONGLONG volatile *)pw);
-}
-
-uint64_t atomic_increment(register uint64_t *pw) {
- return InterlockedIncrement64((LONGLONG volatile *)pw);
-}
#elif defined(__GNUC__)
uint32_t atomic_conditional_increment(register uint32_t *pw) {
@@ -153,27 +107,6 @@ uint32_t atomic_increment(register uint32_t *pw) {
return __sync_add_and_fetch(pw, 1);
}
-uint64_t atomic_conditional_increment(register uint64_t *pw) {
-
- while (true) {
- uint64_t tmp = static_cast<uint64_t const volatile &>(*pw);
- if (tmp == 0)
- return 0; // if zero, can't add to it anymore
- if (__sync_val_compare_and_swap(pw, tmp, tmp + 1) == tmp)
- return tmp + 1;
- }
-}
-
-uint64_t atomic_decrement(register uint64_t *pw) {
-
- return __sync_sub_and_fetch(pw, 1);
-}
-
-uint64_t atomic_increment(register uint64_t *pw) {
-
- return __sync_add_and_fetch(pw, 1);
-}
-
#else
//no threads supported?
#error Must provide atomic functions for this platform or compiler!
diff --git a/core/safe_refcount.h b/core/safe_refcount.h
index 5c9fd996a0..d30f563b56 100644
--- a/core/safe_refcount.h
+++ b/core/safe_refcount.h
@@ -40,10 +40,6 @@ uint32_t atomic_conditional_increment(register uint32_t *counter);
uint32_t atomic_decrement(register uint32_t *pw);
uint32_t atomic_increment(register uint32_t *pw);
-uint64_t atomic_conditional_increment(register uint64_t *counter);
-uint64_t atomic_decrement(register uint64_t *pw);
-uint64_t atomic_increment(register uint64_t *pw);
-
struct SafeRefCount {
uint32_t count;