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-rw-r--r--lib/csu/alpha/Makefile23
-rw-r--r--lib/csu/amd64/Makefile24
-rw-r--r--lib/csu/amd64/crt1.c77
-rw-r--r--lib/csu/amd64/crti.S38
-rw-r--r--lib/csu/amd64/crtn.S32
-rw-r--r--lib/csu/common/crtbegin.c (renamed from lib/csu/alpha/crtbegin.c)23
-rw-r--r--lib/csu/common/crtend.c (renamed from lib/csu/alpha/crtend.c)2
-rw-r--r--lib/csu/i386-elf/Makefile24
-rw-r--r--lib/csu/i386-elf/crt1.c77
-rw-r--r--lib/csu/i386-elf/crtbegin.c61
-rw-r--r--lib/csu/i386-elf/crtend.c31
-rw-r--r--lib/csu/i386-elf/crti.S38
-rw-r--r--lib/csu/i386-elf/crtn.S32
-rw-r--r--lib/csu/i386/Makefile49
-rw-r--r--lib/csu/i386/c++rt0.c107
-rw-r--r--lib/csu/i386/crt0.c359
16 files changed, 981 insertions, 16 deletions
diff --git a/lib/csu/alpha/Makefile b/lib/csu/alpha/Makefile
new file mode 100644
index 0000000..e25f050
--- /dev/null
+++ b/lib/csu/alpha/Makefile
@@ -0,0 +1,23 @@
+#
+# $Id: Makefile,v 1.1.1.1 1998/03/07 20:27:10 jdp Exp $
+#
+
+.PATH: ${.CURDIR}/../i386-elf
+SRCS= crt1.c crtbegin.c crtend.c crti.S crtn.S
+OBJS= ${SRCS:N*.h:R:S/$/.o/g}
+SOBJS= crtbegin.so crtend.so
+CFLAGS+= -Wall -Wno-unused
+NOMAN= true
+NOPIC= true
+NOPROFILE= true
+INTERNALLIB= true
+
+all: ${OBJS} ${SOBJS}
+
+realinstall:
+.for file in ${OBJS} ${SOBJS}
+ ${INSTALL} ${COPY} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
+ ${file} ${DESTDIR}${LIBDIR}/${file:S/.so$/S.o/}
+.endfor
+
+.include <bsd.lib.mk>
diff --git a/lib/csu/amd64/Makefile b/lib/csu/amd64/Makefile
new file mode 100644
index 0000000..a4c72b3
--- /dev/null
+++ b/lib/csu/amd64/Makefile
@@ -0,0 +1,24 @@
+#
+# $Id: Makefile,v 1.6 1996/04/12 02:24:34 jdp Exp $
+#
+
+SRCS= crt1.c crtbegin.c crtend.c crti.S crtn.S
+OBJS= ${SRCS:N*.h:R:S/$/.o/g}
+SOBJS= crtbegin.so crtend.so
+CFLAGS+= -elf
+CFLAGS+= -Wall -Wno-unused
+LDFLAGS+= -elf
+NOMAN= true
+NOPIC= true
+NOPROFILE= true
+INTERNALLIB= true
+
+all: ${OBJS} ${SOBJS}
+
+realinstall:
+.for file in ${OBJS} ${SOBJS}
+ ${INSTALL} ${COPY} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
+ ${file} ${DESTDIR}${LIBDIR}/${file:S/.so$/S.o/}
+.endfor
+
+.include <bsd.lib.mk>
diff --git a/lib/csu/amd64/crt1.c b/lib/csu/amd64/crt1.c
new file mode 100644
index 0000000..d89d501
--- /dev/null
+++ b/lib/csu/amd64/crt1.c
@@ -0,0 +1,77 @@
+/*-
+ * 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.
+ *
+ * $Id: crt1.c,v 1.4 1996/04/12 02:24:35 jdp Exp $
+ */
+
+#ifndef __GNUC__
+#error "GCC is needed to compile this file"
+#endif
+
+#include <stdlib.h>
+
+typedef void (*fptr)(void);
+
+extern void _fini(void);
+extern void _init(void);
+extern int main(int, char **, char **);
+
+extern int _DYNAMIC;
+#pragma weak _DYNAMIC
+
+#ifdef __i386__
+#define get_rtld_cleanup() \
+ ({ fptr __value; \
+ __asm__("movl %%edx,%0" : "=rm"(__value)); \
+ __value; })
+#else
+#error "This file only supports the i386 architecture"
+#endif
+
+char **environ;
+char *__progname = "";
+
+void
+_start(char *arguments, ...)
+{
+ fptr rtld_cleanup;
+ int argc;
+ char **argv;
+ char **env;
+
+ rtld_cleanup = get_rtld_cleanup();
+ argv = &arguments;
+ argc = * (int *) (argv - 1);
+ env = argv + argc + 1;
+ environ = env;
+ if(argc > 0)
+ __progname = argv[0];
+
+ if(&_DYNAMIC != 0)
+ atexit(rtld_cleanup);
+
+ atexit(_fini);
+ _init();
+ exit( main(argc, argv, env) );
+}
diff --git a/lib/csu/amd64/crti.S b/lib/csu/amd64/crti.S
new file mode 100644
index 0000000..94e947d
--- /dev/null
+++ b/lib/csu/amd64/crti.S
@@ -0,0 +1,38 @@
+/*-
+ * 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.
+ *
+ * $Id: crti.S,v 1.2 1997/08/28 00:27:08 jdp Exp $
+ */
+
+ .section .init,"ax",@progbits
+ .align 4
+ .globl _init
+ .type _init,@function
+_init:
+
+ .section .fini,"ax",@progbits
+ .align 4
+ .globl _fini
+ .type _fini,@function
+_fini:
diff --git a/lib/csu/amd64/crtn.S b/lib/csu/amd64/crtn.S
new file mode 100644
index 0000000..8f280b2
--- /dev/null
+++ b/lib/csu/amd64/crtn.S
@@ -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.
+ *
+ * $Id: crtn.S,v 1.2 1997/08/28 00:27:09 jdp Exp $
+ */
+
+ .section .init,"ax",@progbits
+ ret
+
+ .section .fini,"ax",@progbits
+ ret
diff --git a/lib/csu/alpha/crtbegin.c b/lib/csu/common/crtbegin.c
index c3fefff..9970d85 100644
--- a/lib/csu/alpha/crtbegin.c
+++ b/lib/csu/common/crtbegin.c
@@ -22,7 +22,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * $Id: crtbegin.c,v 1.1.1.1 1998/03/07 20:27:10 jdp Exp $
+ * $Id: crtbegin.c,v 1.3 1996/04/12 02:24:35 jdp Exp $
*/
typedef void (*fptr)(void);
@@ -30,7 +30,6 @@ typedef void (*fptr)(void);
static fptr ctor_list[1] __attribute__((section(".ctors"))) = { (fptr) -1 };
static fptr dtor_list[1] __attribute__((section(".dtors"))) = { (fptr) -1 };
-/* Both do_ctors() and do_dtors() live in .text (the default) */
static void
do_ctors(void)
{
@@ -51,18 +50,12 @@ do_dtors(void)
(**fpp)();
}
-extern void _init(void) __attribute__((section(".init")));
-
-void
-_init(void)
-{
- do_ctors();
-}
-
-extern void _fini(void) __attribute__((section(".fini")));
-
-void
-_fini(void)
+static void
+function_skeleton(void)
{
- do_dtors();
+ __asm__(".section .init,\"ax\",@progbits");
+ do_ctors();
+ __asm__(".section .fini,\"ax\",@progbits");
+ do_dtors();
+ __asm__(".text");
}
diff --git a/lib/csu/alpha/crtend.c b/lib/csu/common/crtend.c
index b82bb0d..e1f2293 100644
--- a/lib/csu/alpha/crtend.c
+++ b/lib/csu/common/crtend.c
@@ -22,7 +22,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
- * $Id: crtend.c,v 1.1.1.1 1998/03/07 20:27:10 jdp Exp $
+ * $Id: crtend.c,v 1.3 1996/04/12 02:24:36 jdp Exp $
*/
typedef void (*fptr)(void);
diff --git a/lib/csu/i386-elf/Makefile b/lib/csu/i386-elf/Makefile
new file mode 100644
index 0000000..a4c72b3
--- /dev/null
+++ b/lib/csu/i386-elf/Makefile
@@ -0,0 +1,24 @@
+#
+# $Id: Makefile,v 1.6 1996/04/12 02:24:34 jdp Exp $
+#
+
+SRCS= crt1.c crtbegin.c crtend.c crti.S crtn.S
+OBJS= ${SRCS:N*.h:R:S/$/.o/g}
+SOBJS= crtbegin.so crtend.so
+CFLAGS+= -elf
+CFLAGS+= -Wall -Wno-unused
+LDFLAGS+= -elf
+NOMAN= true
+NOPIC= true
+NOPROFILE= true
+INTERNALLIB= true
+
+all: ${OBJS} ${SOBJS}
+
+realinstall:
+.for file in ${OBJS} ${SOBJS}
+ ${INSTALL} ${COPY} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
+ ${file} ${DESTDIR}${LIBDIR}/${file:S/.so$/S.o/}
+.endfor
+
+.include <bsd.lib.mk>
diff --git a/lib/csu/i386-elf/crt1.c b/lib/csu/i386-elf/crt1.c
new file mode 100644
index 0000000..d89d501
--- /dev/null
+++ b/lib/csu/i386-elf/crt1.c
@@ -0,0 +1,77 @@
+/*-
+ * 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.
+ *
+ * $Id: crt1.c,v 1.4 1996/04/12 02:24:35 jdp Exp $
+ */
+
+#ifndef __GNUC__
+#error "GCC is needed to compile this file"
+#endif
+
+#include <stdlib.h>
+
+typedef void (*fptr)(void);
+
+extern void _fini(void);
+extern void _init(void);
+extern int main(int, char **, char **);
+
+extern int _DYNAMIC;
+#pragma weak _DYNAMIC
+
+#ifdef __i386__
+#define get_rtld_cleanup() \
+ ({ fptr __value; \
+ __asm__("movl %%edx,%0" : "=rm"(__value)); \
+ __value; })
+#else
+#error "This file only supports the i386 architecture"
+#endif
+
+char **environ;
+char *__progname = "";
+
+void
+_start(char *arguments, ...)
+{
+ fptr rtld_cleanup;
+ int argc;
+ char **argv;
+ char **env;
+
+ rtld_cleanup = get_rtld_cleanup();
+ argv = &arguments;
+ argc = * (int *) (argv - 1);
+ env = argv + argc + 1;
+ environ = env;
+ if(argc > 0)
+ __progname = argv[0];
+
+ if(&_DYNAMIC != 0)
+ atexit(rtld_cleanup);
+
+ atexit(_fini);
+ _init();
+ exit( main(argc, argv, env) );
+}
diff --git a/lib/csu/i386-elf/crtbegin.c b/lib/csu/i386-elf/crtbegin.c
new file mode 100644
index 0000000..9970d85
--- /dev/null
+++ b/lib/csu/i386-elf/crtbegin.c
@@ -0,0 +1,61 @@
+/*-
+ * 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.
+ *
+ * $Id: crtbegin.c,v 1.3 1996/04/12 02:24:35 jdp Exp $
+ */
+
+typedef void (*fptr)(void);
+
+static fptr ctor_list[1] __attribute__((section(".ctors"))) = { (fptr) -1 };
+static fptr dtor_list[1] __attribute__((section(".dtors"))) = { (fptr) -1 };
+
+static void
+do_ctors(void)
+{
+ fptr *fpp;
+
+ for(fpp = ctor_list + 1; *fpp != 0; ++fpp)
+ (**fpp)();
+}
+
+static void
+do_dtors(void)
+{
+ fptr *fpp;
+
+ for(fpp = dtor_list + 1; *fpp != 0; ++fpp)
+ ;
+ while(--fpp > dtor_list)
+ (**fpp)();
+}
+
+static void
+function_skeleton(void)
+{
+ __asm__(".section .init,\"ax\",@progbits");
+ do_ctors();
+ __asm__(".section .fini,\"ax\",@progbits");
+ do_dtors();
+ __asm__(".text");
+}
diff --git a/lib/csu/i386-elf/crtend.c b/lib/csu/i386-elf/crtend.c
new file mode 100644
index 0000000..e1f2293
--- /dev/null
+++ b/lib/csu/i386-elf/crtend.c
@@ -0,0 +1,31 @@
+/*-
+ * 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.
+ *
+ * $Id: crtend.c,v 1.3 1996/04/12 02:24:36 jdp Exp $
+ */
+
+typedef void (*fptr)(void);
+
+static fptr ctor_end[1] __attribute__((section(".ctors"))) = { 0 };
+static fptr dtor_end[1] __attribute__((section(".dtors"))) = { 0 };
diff --git a/lib/csu/i386-elf/crti.S b/lib/csu/i386-elf/crti.S
new file mode 100644
index 0000000..94e947d
--- /dev/null
+++ b/lib/csu/i386-elf/crti.S
@@ -0,0 +1,38 @@
+/*-
+ * 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.
+ *
+ * $Id: crti.S,v 1.2 1997/08/28 00:27:08 jdp Exp $
+ */
+
+ .section .init,"ax",@progbits
+ .align 4
+ .globl _init
+ .type _init,@function
+_init:
+
+ .section .fini,"ax",@progbits
+ .align 4
+ .globl _fini
+ .type _fini,@function
+_fini:
diff --git a/lib/csu/i386-elf/crtn.S b/lib/csu/i386-elf/crtn.S
new file mode 100644
index 0000000..8f280b2
--- /dev/null
+++ b/lib/csu/i386-elf/crtn.S
@@ -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.
+ *
+ * $Id: crtn.S,v 1.2 1997/08/28 00:27:09 jdp Exp $
+ */
+
+ .section .init,"ax",@progbits
+ ret
+
+ .section .fini,"ax",@progbits
+ ret
diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile
new file mode 100644
index 0000000..e672c07
--- /dev/null
+++ b/lib/csu/i386/Makefile
@@ -0,0 +1,49 @@
+# from: @(#)Makefile 5.6 (Berkeley) 5/22/91
+# $Id: Makefile,v 1.35 1998/02/09 06:05:07 jdp Exp $
+
+CFLAGS+= -DLIBC_SCCS -fno-omit-frame-pointer
+OBJS= crt0.o c++rt0.o gcrt0.o scrt0.o sgcrt0.o
+CLEANFILES+= a.out
+
+all: ${OBJS}
+
+crt0.o: crt0.c
+ ${CC} ${CFLAGS} -c -DCRT0 -DDYNAMIC ${.CURDIR}/crt0.c -o ${.TARGET}
+ ${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+c++rt0.o: c++rt0.c
+ ${CC} ${CFLAGS} -fpic -c ${.CURDIR}/c++rt0.c
+ @${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+#
+# gcrt0.o doesn't really depend on crt0.o, but this is the easiest way
+# to get the dependencies mostly correct.
+#
+gcrt0.o: crt0.o
+ ${CC} ${CFLAGS} -c -DMCRT0 -DDYNAMIC ${.CURDIR}/crt0.c -o ${.TARGET}
+ ${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+# dependencies fudged as for gcrt0.o
+scrt0.o: crt0.o
+ ${CC} ${CFLAGS} -c -DCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
+ ${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+# dependencies fudged as for gcrt0.o
+sgcrt0.o: scrt0.o
+ ${CC} ${CFLAGS} -c -DMCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
+ ${LD} -O ${.TARGET} -x -r ${.TARGET}
+
+realinstall:
+ ${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+ ${DESTDIR}/usr/lib
+
+depend: .depend
+
+.depend: crt0.c c++rt0.c
+ rm -f .depend
+ mkdep ${CFLAGS} -DCRT0 -DDYNAMIC ${.CURDIR}/crt0.c
+ mkdep -a ${CFLAGS} ${.CURDIR}/c++rt0.c
+
+lint tags:
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/i386/c++rt0.c b/lib/csu/i386/c++rt0.c
new file mode 100644
index 0000000..413524f
--- /dev/null
+++ b/lib/csu/i386/c++rt0.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * 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.
+ *
+ * $Id: c++rt0.c,v 1.7 1997/02/22 14:57:42 peter Exp $
+ */
+
+/*
+ * Run-time module for GNU C++ compiled shared libraries.
+ *
+ * The linker constructs the following arrays of pointers to global
+ * constructors and destructors. The first element contains the
+ * number of pointers in each.
+ * The tables are also null-terminated.
+ */
+extern void (*__CTOR_LIST__[])(void);
+extern void (*__DTOR_LIST__[])(void);
+
+static void
+__dtors(void)
+{
+ unsigned long i = (unsigned long) __DTOR_LIST__[0];
+ void (**p)(void) = __DTOR_LIST__ + i;
+
+ while (i--)
+ (**p--)();
+}
+
+static void
+__ctors(void)
+{
+ void (**p)(void) = __CTOR_LIST__ + 1;
+
+ while (*p)
+ (**p++)();
+}
+
+extern void __init() asm(".init");
+extern void __fini() asm(".fini");
+
+void
+__init(void)
+{
+ static int initialized = 0;
+
+ /*
+ * Call global constructors.
+ * Arrange to call global destructors at exit.
+ */
+ if (!initialized) {
+ initialized = 1;
+ __ctors();
+ }
+
+}
+
+void
+__fini(void)
+{
+ __dtors();
+}
+
+/*
+ * Make sure there is at least one constructor and one destructor in the
+ * shared library. Otherwise, the linker does not realize that the
+ * constructor and destructor lists are linker sets. It treats them as
+ * commons and resolves them to the lists from the main program. That
+ * causes multiple invocations of the main program's static constructors
+ * and destructors, which is very bad.
+ */
+
+static void
+do_nothing(void)
+{
+}
+
+/* Linker magic to add an element to a constructor or destructor list. */
+#define TEXT_SET(set, sym) \
+ asm(".stabs \"_" #set "\", 23, 0, 0, _" #sym)
+
+TEXT_SET(__CTOR_LIST__, do_nothing);
+TEXT_SET(__DTOR_LIST__, do_nothing);
diff --git a/lib/csu/i386/crt0.c b/lib/csu/i386/crt0.c
new file mode 100644
index 0000000..8286e74
--- /dev/null
+++ b/lib/csu/i386/crt0.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Paul Kranenburg.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * 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.
+ *
+ * $Id: crt0.c,v 1.33 1998/02/09 06:05:09 jdp Exp $
+ */
+
+#include <sys/param.h>
+
+#include <stdlib.h>
+
+#ifdef DYNAMIC
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <a.out.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <link.h>
+
+/* !!!
+ * This is gross, ld.so is a ZMAGIC a.out, but has `sizeof(hdr)' for
+ * an entry point and not at PAGSIZ as the N_*ADDR macros assume.
+ */
+#undef N_DATADDR
+#define N_DATADDR(x) ((x).a_text)
+
+#undef N_BSSADDR
+#define N_BSSADDR(x) ((x).a_text + (x).a_data)
+
+#ifndef N_GETMAGIC
+#define N_GETMAGIC(x) ((x).a_magic)
+#endif /* N_GETMAGIC */
+
+#ifndef MAP_PRIVATE
+#define MAP_PRIVATE MAP_COPY
+#endif /* MAP_PRIVATE */
+
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif /* MAP_FILE */
+
+#ifndef MAP_ANON
+#define MAP_ANON 0
+#endif /* MAP_ANON */
+
+#ifdef DEBUG
+/*
+ * We need these two because we are going to call them before the ld.so is
+ * finished (as a matter of fact before we know if it exists !) so we must
+ * provide these versions for them
+ */
+static char *_getenv();
+static int _strncmp();
+#endif /* DEBUG */
+
+#ifndef LDSO
+#define LDSO "/usr/libexec/ld.so"
+#endif /* LDSO */
+
+extern struct _dynamic _DYNAMIC;
+static void __do_dynamic_link(char **argv);
+#endif /* DYNAMIC */
+
+int _callmain();
+int errno;
+static char empty[1];
+char *__progname = empty;
+char **environ;
+
+/* Globals used by dlopen() and related functions in libc */
+struct ld_entry *__ldso_entry;
+int __ldso_version;
+
+extern unsigned char etext;
+extern unsigned char eprol asm ("eprol");
+extern start() asm("start");
+extern mcount() asm ("mcount");
+extern int main(int argc, char **argv, char **envp);
+int __syscall(int syscall,...);
+#ifdef MCRT0
+void monstartup(void *low, void *high);
+#endif /* MCRT0 */
+
+
+/*
+ * We need these system calls, but can't use library stubs because the are
+ * not accessible until we have done the ld.so stunt.
+ */
+
+#define _exit(v) \
+ __syscall(SYS_exit, (int)(v))
+#define _open(name, f, m) \
+ __syscall(SYS_open, (char *)(name), (int)(f), (int)(m))
+#define _read(fd, s, n) \
+ __syscall(SYS_read, (int)(fd), (void *)(s), (size_t)(n))
+#define _write(fd, s, n) \
+ __syscall(SYS_write, (int)(fd), (void *)(s), (size_t)(n))
+#define _mmap(addr, len, prot, flags, fd, off) \
+ (caddr_t) __syscall(SYS_mmap, (caddr_t)(addr), (size_t)(len), \
+ (int)(prot), (int)(flags), (int)(fd), (long)0L, (off_t)(off))
+
+#define _PUTNMSG(str, len) _write(2, (str), (len))
+#define _PUTMSG(str) _PUTNMSG((str), sizeof (str) - 1)
+#define _FATAL(str) ( _PUTMSG(str), _exit(1) )
+
+
+int
+start()
+{
+ struct kframe {
+ int kargc;
+ char *kargv[1]; /* size depends on kargc */
+ char kargstr[1]; /* size varies */
+ char kenvstr[1]; /* size varies */
+ };
+ /*
+ * ALL REGISTER VARIABLES!!!
+ */
+ register struct kframe *kfp;
+ register char **targv;
+ register char **argv;
+ extern void _mcleanup();
+#ifdef DYNAMIC
+ volatile caddr_t x;
+#endif
+
+#ifdef lint
+ kfp = 0;
+#else /* not lint */
+ /* just above the saved frame pointer */
+ asm ("lea 4(%%ebp), %0" : "=r" (kfp) );
+#endif /* not lint */
+ for (argv = targv = &kfp->kargv[0]; *targv++; /* void */)
+ /* void */ ;
+ if (targv >= (char **)(*argv))
+ --targv;
+ environ = targv;
+
+ if (argv[0]) {
+ register char *s;
+ __progname = argv[0];
+ for (s=__progname; *s != '\0'; s++)
+ if (*s == '/')
+ __progname = s+1;
+ }
+
+#ifdef DYNAMIC
+ /* ld(1) convention: if DYNAMIC = 0 then statically linked */
+ /* sometimes GCC is too smart/stupid for its own good */
+ x = (caddr_t)&_DYNAMIC;
+ if (x)
+ __do_dynamic_link(argv);
+#endif /* DYNAMIC */
+
+asm("eprol:");
+
+#ifdef MCRT0
+ atexit(_mcleanup);
+ monstartup(&eprol, &etext);
+#endif /* MCRT0 */
+
+asm ("__callmain:"); /* Defined for the benefit of debuggers */
+ exit(main(kfp->kargc, argv, environ));
+}
+
+#ifdef DYNAMIC
+static void
+__do_dynamic_link(argv)
+ char **argv;
+{
+ struct crt_ldso crt;
+ struct exec hdr;
+ char *ldso;
+ int (*entry)();
+
+#ifdef DEBUG
+ /* Provision for alternate ld.so - security risk! */
+ if (!(ldso = _getenv("LDSO")))
+#endif
+ ldso = LDSO;
+
+ crt.crt_ldfd = _open(ldso, 0, 0);
+ if (crt.crt_ldfd == -1) {
+ _PUTMSG("Couldn't open ");
+ _PUTMSG(LDSO);
+ _FATAL(".\n");
+ }
+
+ /* Read LDSO exec header */
+ if (_read(crt.crt_ldfd, &hdr, sizeof hdr) < sizeof hdr) {
+ _FATAL("Failure reading ld.so\n");
+ }
+ if ((N_GETMAGIC_NET(hdr) != ZMAGIC) && (N_GETMAGIC(hdr) != QMAGIC)) {
+ _FATAL("Bad magic: ld.so\n");
+ }
+
+ /* We use MAP_ANON */
+ crt.crt_dzfd = -1;
+
+ /* Map in ld.so */
+ crt.crt_ba = (int)_mmap(0, hdr.a_text,
+ PROT_READ|PROT_EXEC,
+ MAP_FILE|MAP_PRIVATE,
+ crt.crt_ldfd, N_TXTOFF(hdr));
+ if (crt.crt_ba == -1) {
+ _FATAL("Cannot map ld.so (text)\n");
+ }
+
+ /* Map in data segment of ld.so writable */
+ if ((int)_mmap((caddr_t)(crt.crt_ba+N_DATADDR(hdr)), hdr.a_data,
+ PROT_READ|PROT_WRITE,
+ MAP_FIXED|MAP_FILE|MAP_PRIVATE,
+ crt.crt_ldfd, N_DATOFF(hdr)) == -1) {
+ _FATAL("Cannot map ld.so (data)\n");
+ }
+
+ /* Map bss segment of ld.so zero */
+ if (hdr.a_bss && (int)_mmap((caddr_t)(crt.crt_ba+N_BSSADDR(hdr)),
+ hdr.a_bss,
+ PROT_READ|PROT_WRITE,
+ MAP_FIXED|MAP_ANON|MAP_PRIVATE,
+ crt.crt_dzfd, 0) == -1) {
+ _FATAL("Cannot map ld.so (bss)\n");
+ }
+
+ crt.crt_dp = &_DYNAMIC;
+ crt.crt_ep = environ;
+ crt.crt_bp = (caddr_t)_callmain;
+ crt.crt_prog = __progname;
+ crt.crt_ldso = ldso;
+ crt.crt_ldentry = NULL;
+ crt.crt_argv = argv;
+
+ entry = (int (*)())(crt.crt_ba + sizeof hdr);
+ __ldso_version = (*entry)(CRT_VERSION_BSD_5, &crt);
+ __ldso_entry = crt.crt_ldentry;
+ if (__ldso_version == -1 && __ldso_entry == NULL) {
+ /* If version 5 not recognised, try version 4 */
+ __ldso_version = (*entry)(CRT_VERSION_BSD_4, &crt);
+ __ldso_entry = crt.crt_ldentry;
+ if (__ldso_version == -1 && __ldso_entry == NULL) {
+ /* if version 4 not recognised, try version 3 */
+ __ldso_version = (*entry)(CRT_VERSION_BSD_3, &crt);
+ __ldso_entry = _DYNAMIC.d_entry;
+ }
+ }
+ if (__ldso_version == -1) {
+ _PUTMSG("ld.so failed");
+ if (__ldso_entry != NULL) {
+ const char *msg = (__ldso_entry->dlerror)();
+ if(msg != NULL) {
+ const char *endp;
+ _PUTMSG(": ");
+ for(endp = msg; *endp != '\0'; ++endp)
+ ; /* Find the end */
+ _PUTNMSG(msg, endp - msg);
+ }
+ }
+ _FATAL("\n");
+ }
+
+
+ if (__ldso_version >= LDSO_VERSION_HAS_DLEXIT)
+ atexit(__ldso_entry->dlexit);
+
+ return;
+}
+
+/*
+ * Support routines
+ */
+
+#ifdef DEBUG
+static int
+_strncmp(s1, s2, n)
+ register char *s1, *s2;
+ register n;
+{
+
+ if (n == 0)
+ return (0);
+ do {
+ if (*s1 != *s2++)
+ return (*(unsigned char *)s1 - *(unsigned char *)--s2);
+ if (*s1++ == 0)
+ break;
+ } while (--n != 0);
+ return (0);
+}
+
+static char *
+_getenv(name)
+ register char *name;
+{
+ extern char **environ;
+ register int len;
+ register char **P, *C;
+
+ for (C = name, len = 0; *C && *C != '='; ++C, ++len);
+ for (P = environ; *P; ++P)
+ if (!_strncmp(*P, name, len))
+ if (*(C = *P + len) == '=') {
+ return(++C);
+ }
+ return (char *)0;
+}
+
+#endif /* DEBUG */
+
+ asm(" ___syscall:");
+ asm(" popl %ecx");
+ asm(" popl %eax");
+ asm(" pushl %ecx");
+ asm(" .byte 0x9a");
+ asm(" .long 0");
+ asm(" .word 7");
+ asm(" pushl %ecx");
+ asm(" jc 1f");
+ asm(" ret");
+ asm(" 1:");
+ asm(" movl $-1,%eax");
+ asm(" ret");
+
+#endif /* DYNAMIC */
+
+
+/*
+ * Support routines
+ */
+
+#ifdef MCRT0
+asm (" .text");
+asm ("_eprol:");
+#endif
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