feat: multi-user system, bug fixes, security & performance fixes, and more

2026-03-14 13:28:46 +01:00
parent 576ad34f95
commit 261b536041
389 changed files with 231853 additions and 591 deletions
@@ -0,0 +1,78 @@
+/* Copyright (C) 2004-2024 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GCC is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _MM_MALLOC_H_INCLUDED
+#define _MM_MALLOC_H_INCLUDED
+
+#include <stdlib.h>
+#if __STDC_HOSTED__
+#include <errno.h>
+#endif
+
+static __inline__ void * 
+_mm_malloc (size_t __size, size_t __align)
+{
+  void * __malloc_ptr;
+  void * __aligned_ptr;
+
+  /* Error if align is not a power of two.  */
+  if (__align & (__align - 1))
+    {
+#if __STDC_HOSTED__
+      errno = EINVAL;
+#endif
+      return ((void *) 0);
+    }
+
+  if (__size == 0)
+    return ((void *) 0);
+
+ /* Assume malloc'd pointer is aligned at least to sizeof (void*).
+    If necessary, add another sizeof (void*) to store the value
+    returned by malloc. Effectively this enforces a minimum alignment
+    of sizeof double. */     
+    if (__align < 2 * sizeof (void *))
+      __align = 2 * sizeof (void *);
+
+  __malloc_ptr = malloc (__size + __align);
+  if (!__malloc_ptr)
+    return ((void *) 0);
+
+  /* Align  We have at least sizeof (void *) space below malloc'd ptr. */
+  __aligned_ptr = (void *) (((size_t) __malloc_ptr + __align)
+			    & ~((size_t) (__align) - 1));
+
+  /* Store the original pointer just before p.  */	
+  ((void **) __aligned_ptr)[-1] = __malloc_ptr;
+
+  return __aligned_ptr;
+}
+
+static __inline__ void
+_mm_free (void *__aligned_ptr)
+{
+  if (__aligned_ptr)
+    free (((void **) __aligned_ptr)[-1]);
+}
+
+#endif /* _MM_MALLOC_H_INCLUDED */