diff options
Diffstat (limited to 'libparc/parc/algol/parc_Memory.c')
-rwxr-xr-x | libparc/parc/algol/parc_Memory.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/libparc/parc/algol/parc_Memory.c b/libparc/parc/algol/parc_Memory.c new file mode 100755 index 00000000..e444baba --- /dev/null +++ b/libparc/parc/algol/parc_Memory.c @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + */ +#include <config.h> + +#include <LongBow/runtime.h> + +#include <unistd.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <stdio.h> + +#include <stdint.h> +#include <stdbool.h> + +#include <parc/algol/parc_Memory.h> +#include <parc/algol/parc_SafeMemory.h> +#include <parc/algol/parc_StdlibMemory.h> + +static const PARCMemoryInterface *parcMemory = &PARCStdlibMemoryAsPARCMemory; + +const PARCMemoryInterface * +parcMemory_SetInterface(const PARCMemoryInterface *memoryProvider) +{ + assertFalse(memoryProvider == &PARCMemoryAsPARCMemory, + "You cannot use PARCMemoryAsPARCMemory as a memory provider for parcMemory."); + const PARCMemoryInterface *result = parcMemory; + parcMemory = memoryProvider; + + return result; +} + +size_t +parcMemory_RoundUpToCacheLine(const size_t size) +{ + return parcMemory_RoundUpToMultiple(size, LEVEL1_DCACHE_LINESIZE); +} + +size_t +parcMemory_RoundUpToMultiple(const size_t size, const size_t multiple) +{ + if (size == 0) { + return multiple; + } + + if (multiple == 0) { + return size; + } + + size_t remainder = size % multiple; + if (remainder == 0) { + return size; + } + return size + multiple - remainder; +} + +void * +parcMemory_Allocate(const size_t size) +{ + return ((PARCMemoryAllocate *) parcMemory->Allocate)(size); +} + +void * +parcMemory_AllocateAndClear(const size_t size) +{ + return ((PARCMemoryAllocateAndClear *) parcMemory->AllocateAndClear)(size); +} + +int +parcMemory_MemAlign(void **pointer, const size_t alignment, const size_t size) +{ + return ((PARCMemoryMemAlign *) parcMemory->MemAlign)(pointer, alignment, size); +} + +void +parcMemory_DeallocateImpl(void **pointer) +{ + ((PARCMemoryDeallocate *) parcMemory->Deallocate)(pointer); +} + +void * +parcMemory_Reallocate(void *pointer, size_t newSize) +{ + return ((PARCMemoryReallocate *) parcMemory->Reallocate)(pointer, newSize); +} + +char * +parcMemory_StringDuplicate(const char *string, const size_t length) +{ + return ((PARCMemoryStringDuplicate *) parcMemory->StringDuplicate)(string, length); +} + +uint32_t +parcMemory_Outstanding(void) +{ + return ((PARCMemoryOutstanding *) parcMemory->Outstanding)(); +} + +char * +parcMemory_Format(const char *format, ...) +{ + va_list ap; + va_start(ap, format); + + va_list copy; + va_copy(copy, ap); + int length = vsnprintf(NULL, 0, format, copy); + va_end(copy); + + char *result = NULL; + if (length >= 0) { + result = parcMemory_Allocate(length + 1); + + if (result != NULL) { + vsprintf(result, format, ap); + } + } + return result; +} + +PARCMemoryInterface PARCMemoryAsPARCMemory = { + .Allocate = (uintptr_t) parcMemory_Allocate, + .AllocateAndClear = (uintptr_t) parcMemory_AllocateAndClear, + .MemAlign = (uintptr_t) parcMemory_MemAlign, + .Deallocate = (uintptr_t) parcMemory_DeallocateImpl, + .Reallocate = (uintptr_t) parcMemory_Reallocate, + .StringDuplicate = (uintptr_t) parcMemory_StringDuplicate, + .Outstanding = (uintptr_t) parcMemory_Outstanding +}; |