first commit

Author: mako2580

Makefile

@@ -0,0 +1,22 @@
+CC ?= clang
+LIBDIR ?= /usr/lib
+
+all: crtbeginS.o crtendS.o
+
+crtbeginS.o: 
+	$(CC) $(CFLAGS) -fPIC -c "crtbegin.c" -o "crtbeginS.o"
+
+crtendS.o: 
+	$(CC) $(CFLAGS) -fPIC -c "crtend.c" -o "crtendS.o"
+
+install: crtbeginS.o crtendS.o
+	install -d $(DESTDIR)$(LIBDIR)
+	install -m 0644 crtbeginS.o $(DESTDIR)$(LIBDIR)
+	install -m 0644 crtendS.o $(DESTDIR)$(LIBDIR)
+
+clean:
+	rm crtbeginS.o crtendS.o
+
+.PHONY: all
+.PHONY: install
+.PHONY: clean

crtbegin.c

@@ -0,0 +1,70 @@
+/*-
+ * Copyright 1996, 1997, 1998, 2000 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+typedef void (*fptr)(void);
+
+fptr ctor_list[1] __attribute__((section(".ctors"))) __attribute__((visibility("hidden")));
+fptr dtor_list[1] __attribute__((section(".dtors"))) __attribute__((visibility("hidden")));
+
+__attribute__((visibility("hidden"))) void *__dso_handle = &__dso_handle;
+
+static void
+do_ctors(void) __attribute__((used));
+
+static void
+do_ctors(void)
+{
+    fptr *fpp;
+
+    for(fpp = ctor_list + 1;  *fpp != 0;  ++fpp)
+	;
+    while(--fpp > ctor_list)
+	(**fpp)();
+}
+
+static void
+do_dtors(void) __attribute__((used));
+
+static void
+do_dtors(void)
+{
+    fptr *fpp;
+
+    for(fpp = dtor_list + 1;  *fpp != 0;  ++fpp)
+	(**fpp)();
+}
+
+#if defined(__i386) || defined(__amd64)
+__asm__(".section .init,\"ax\",@progbits; call do_ctors; .previous");
+__asm__(".section .fini,\"ax\",@progbits; call do_dtors; .previous");
+#elif defined(__ppc64__) || defined(__aarch64__)
+__asm__(".section .init,\"ax\",@progbits; bl do_ctors; .previous");
+__asm__(".section .fini,\"ax\",@progbits; bl do_dtors; .previous");
+#else
+#error "Define initialization code for platform"
+#endif
+

crtend.c

@@ -0,0 +1,32 @@
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+typedef void (*fptr)(void);
+
+static fptr ctor_end[1] __attribute__((used)) __attribute__((section(".ctors"))) __attribute__((visibility("hidden"))) = { 0 };
+static fptr dtor_end[1] __attribute__((used)) __attribute__((section(".dtors"))) __attribute__((visibility("hidden"))) = { 0 };
+