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Define memory allocation and deallocation functions

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Abdelrahman Said 2024-06-02 20:09:08 +01:00
parent 62fdef8601
commit 18448dd7c1
1 changed files with 37 additions and 0 deletions
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37
src/mem/util/mem_utils.h
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@ -2,12 +2,49 @@
#define MEM_UTILS_H #define MEM_UTILS_H
#include "aliases.h" #include "aliases.h"
#include "platform.h"
#if defined(WAPP_PLATFORM_WINDOWS)
#include <Windows.h>
#include <memoryapi.h>
#elif defined(WAPP_PLATFORM_POSIX)
#include <sys/mman.h>
#else
#error "Unrecognised platform"
#endif
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif // __cplusplus #endif // __cplusplus
typedef enum mem_access {
WAPP_MEM_ACCESS_NONE,
WAPP_MEM_ACCESS_READ_ONLY,
WAPP_MEM_ACCESS_EXEC_ONLY,
WAPP_MEM_ACCESS_READ_WRITE,
WAPP_MEM_ACCESS_READ_EXEC,
WAPP_MEM_ACCESS_READ_WRITE_EXEC,
} MemAccess;
typedef enum mem_alloc_flags {
#if defined(WAPP_PLATFORM_WINDOWS)
WAPP_MEM_ALLOC_RESERVE = MEM_RESERVE,
WAPP_MEM_ALLOC_COMMIT = MEM_COMMIT,
#elif defined(WAPP_PLATFORM_POSIX)
WAPP_MEM_ALLOC_RESERVE = 0,
WAPP_MEM_ALLOC_COMMIT = MAP_POPULATE,
#endif
} MemAllocFlags;
typedef enum mem_init_type {
WAPP_MEM_INIT_UNINITIALISED,
WAPP_MEM_INIT_INITIALISED,
} MemInitType;
void *wapp_mem_util_align_forward(void *ptr, u64 alignment); void *wapp_mem_util_align_forward(void *ptr, u64 alignment);
void *wapp_mem_util_alloc(u64 size, MemAccess access, MemAllocFlags flags,
MemInitType type);
void wapp_mem_util_free(void *ptr, u64 size);
#ifdef __cplusplus #ifdef __cplusplus
} }