summaryrefslogtreecommitdiff
path: root/gcc/gbl-ctors.h
diff options
context:
space:
mode:
authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/gbl-ctors.h
initial commit
Diffstat (limited to 'gcc/gbl-ctors.h')
-rwxr-xr-xgcc/gbl-ctors.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/gcc/gbl-ctors.h b/gcc/gbl-ctors.h
new file mode 100755
index 0000000..86b1c0e
--- /dev/null
+++ b/gcc/gbl-ctors.h
@@ -0,0 +1,92 @@
+/* Definitions relating to the special __do_global_init function used
+ for getting g++ file-scope static objects constructed. This file
+ will get included either by libgcc2.c (for systems that don't support
+ a .init section) or by crtstuff.c (for those that do).
+ Copyright (C) 1991, 1995, 1996, 1998 Free Software Foundation, Inc.
+ Contributed by Ron Guilmette (rfg@segfault.us.com)
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* This file contains definitions and declarations of things
+ relating to the normal start-up-time invocation of C++
+ file-scope static object constructors. These declarations
+ and definitions are used by *both* libgcc2.c and by crtstuff.c.
+
+ Note that this file should only be compiled with GCC.
+*/
+
+#ifdef NEED_ATEXIT
+#ifndef HAVE_ATEXIT
+#define HAVE_ATEXIT 1 /* Take it from libgcc2.c */
+#endif
+#endif
+
+#ifdef HAVE_ATEXIT
+#if defined (WINNT) || defined (NEED_ATEXIT)
+extern int atexit (void (*) (void));
+#endif
+#define ON_EXIT(FUNC,ARG) atexit ((FUNC))
+#else
+#ifdef sun
+extern int on_exit (void *, void *); /* The man page says it returns int. */
+#define ON_EXIT(FUNC,ARG) on_exit ((FUNC), (ARG))
+#endif
+#endif
+
+/* Declare a pointer to void function type. */
+
+typedef void (*func_ptr) (void);
+
+/* Declare the set of symbols use as begin and end markers for the lists
+ of global object constructors and global object destructors. */
+
+extern func_ptr __CTOR_LIST__[];
+extern func_ptr __DTOR_LIST__[];
+
+/* Declare the routine which need to get invoked at program exit time. */
+
+extern void __do_global_dtors (void);
+
+/* Define a macro with the code which needs to be executed at program
+ start-up time. This macro is used in two places in crtstuff.c (for
+ systems which support a .init section) and in one place in libgcc2.c
+ (for those system which do *not* support a .init section). For all
+ three places where this code might appear, it must be identical, so
+ we define it once here as a macro to avoid various instances getting
+ out-of-sync with one another. */
+
+/* Some systems place the number of pointers
+ in the first word of the table.
+ On other systems, that word is -1.
+ In all cases, the table is null-terminated.
+ If the length is not recorded, count up to the null. */
+
+/* Some systems use a different strategy for finding the ctors.
+ For example, svr3. */
+#ifndef DO_GLOBAL_CTORS_BODY
+#define DO_GLOBAL_CTORS_BODY \
+do { \
+ unsigned long nptrs = (unsigned long) __CTOR_LIST__[0]; \
+ unsigned i; \
+ if (nptrs == (unsigned long)-1) \
+ for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++); \
+ for (i = nptrs; i >= 1; i--) \
+ __CTOR_LIST__[i] (); \
+} while (0)
+#endif
+