feat: More runtime improvements for Nectar and NeKernel C++ Runtime.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/include/CoreRuntimeKit/C++/defines b/include/CoreRuntimeKit/C++/defines
new file mode 100644
index 0000000..d6a5369
--- /dev/null
+++ b/include/CoreRuntimeKit/C++/defines
@@ -0,0 +1,81 @@
+/* ========================================
+
+  Copyright (C) 2024-2025 Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef __NECTAR_DEFINES_H__
+#define __NECTAR_DEFINES_H__
+
+#define __ATTRIBUTE(X) __attribute__((X))
+
+typedef __SIZE_TYPE__  size_t;
+typedef __INT64_TYPE__ ssize_t;
+typedef __INT32_TYPE__ int32_t;
+
+typedef void*         ptr_type;
+typedef __SIZE_TYPE__ size_type;
+
+typedef __INT64_TYPE__ ptrdiff_t;
+typedef size_t         uintptr_t;
+typedef void*          voidptr_t;
+typedef void*          any_t;
+typedef char*          caddr_t;
+
+#ifndef NULL
+#define NULL ((voidptr_t) 0)
+#endif  // !null
+
+#define __alloca(sz) __ck_alloca(sz)
+
+#define __deref(ptr) (*(ptr))
+
+#ifdef __cplusplus
+#define __init_decl() extern "C" {
+#define __fini_decl() \
+  }                   \
+  ;
+#else
+#define __init_decl()
+#define __fini_decl()
+#endif
+
+#if __has_builtin(__builtin_alloca)
+#define alloca(sz) __builtin_alloca(sz)
+#ifdef __alloca
+#undef __alloca
+#endif
+#define __alloca alloca
+#else
+#warning !! alloca not detected !!
+#endif
+
+typedef long long          off_t;
+typedef unsigned long long uoff_t;
+
+typedef union float_cast {
+  struct {
+    unsigned int mantissa : 23;
+    unsigned int exponent : 8;
+    unsigned int sign : 1;
+  };
+
+  float f;
+} __ATTRIBUTE(packed) float_cast_t;
+
+typedef union double_cast {
+  struct {
+    unsigned long long int mantissa : 52;
+    unsigned int           exponent : 11;
+    unsigned int           sign : 1;
+  };
+
+  double f;
+} __ATTRIBUTE(packed) double_cast_t;
+
+namespace std {
+struct placement_t;
+struct nothrow_t;
+}  // namespace std
+
+#endif /* __NECTAR_DEFINES_H__ */