Add csu ia64 support.

3 files changed, 213 insertions, 0 deletions

diff --git a/lib/csu/ia64/Makefile b/lib/csu/ia64/Makefile
new file mode 100644
index 00000000000..db7efa10885
--- /dev/null
+++ b/lib/csu/ia64/Makefile
@@ -0,0 +1,61 @@
+#	$OpenBSD: Makefile,v 1.1 2011/07/04 05:42:10 pirofti Exp $
+
+CFLAGS+=	-fno-omit-frame-pointer
+OBJS=		crt0.o gcrt0.o
+OBJS+=		crtbegin.o crtend.o
+OBJS+=		crtbeginS.o crtendS.o
+SRCS=		crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c
+
+ELFDIR=		${.CURDIR}/../common_elf
+.PATH:		${ELFDIR}
+CFLAGS+=	-I${ELFDIR} -I${.CURDIR}
+
+all: ${OBJS}
+
+crt0.o: crt0.c
+	@echo ${COMPILE.c} -DCRT0 -fpie ${.CURDIR}/crt0.c -o ${.TARGET}
+	@${COMPILE.c} -DCRT0 -fpie ${.CURDIR}/crt0.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: crt0.c
+	@echo ${COMPILE.c} -DMCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}
+	@${COMPILE.c} -DMCRT0 ${.CURDIR}/crt0.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+crtbegin.o: crtbegin.c
+	@echo ${COMPILE.c} -fpie ${ELFDIR}/crtbegin.c -o ${.TARGET}
+	@${COMPILE.c} -fpie ${ELFDIR}/crtbegin.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+crtbeginS.o: crtbeginS.c
+	@echo ${COMPILE.c} ${PICFLAG} ${ELFDIR}/crtbeginS.c -o ${.TARGET}
+	@${COMPILE.c} ${PICFLAG} ${ELFDIR}/crtbeginS.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+crtend.o: crtend.c
+	@echo ${COMPILE.c} -fpie ${ELFDIR}/crtend.c -o ${.TARGET}
+	@${COMPILE.c} -fpie ${ELFDIR}/crtend.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+crtendS.o: crtendS.c
+	@echo ${COMPILE.c} ${PICFLAG} ${ELFDIR}/crtendS.c -o ${.TARGET}
+	@${COMPILE.c} ${PICFLAG} ${ELFDIR}/crtendS.c -o ${.TARGET}.o
+	@${LD} -x -r -o ${.TARGET} ${.TARGET}.o
+	@rm -f ${.TARGET}.o
+
+realinstall:
+	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+afterdepend: .depend
+	@(TMP=/tmp/_depend$$$$; \
+	    sed -e 's/^\([^\.]*\).o[ ]*:/\1.o g\1.o:/' \
+	    < .depend > $$TMP; \
+	mv $$TMP .depend)
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/ia64/crt0.c b/lib/csu/ia64/crt0.c
new file mode 100644
index 00000000000..09125016be9
--- /dev/null
+++ b/lib/csu/ia64/crt0.c
@@ -0,0 +1,95 @@
+/* $OpenBSD: crt0.c,v 1.1 2011/07/04 05:42:11 pirofti Exp $ */
+
+/*
+ * Copyright (c) 2011 Paul Irofti <pirofti@openbsd.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/exec.h>
+#include <stdlib.h>
+
+static char	*_strrchr(char *, char);
+
+char	**environ;
+char	*__progname = "";
+
+char __progname_storage[NAME_MAX+1];
+
+#ifdef MCRT0
+extern void	monstartup(u_long, u_long);
+extern void	_mcleanup(void);
+extern unsigned char _etext, _eprol;
+#endif /* MCRT0 */
+
+__asm ("1:						\
+	{ .mii					\
+	  mov		r15=@gprel(1b)	\n	\
+	  mov		r16=ip	;;	\n	\
+	  sub		gp=r16,r15	\n	\
+	;;					\
+	} ");
+
+void
+___start(int argc, char **argv, char **envp, void (*cleanup)(void),
+    const void *obj, struct ps_strings *ps_strings)
+{
+	char *namep;
+	register struct kframe *kfp;
+	char *s;
+
+        environ = envp;
+
+	if ((namep = argv[0]) != NULL) {	/* NULL ptr if argc = 0 */
+		if ((__progname = _strrchr(namep, '/')) == NULL)
+			__progname = namep;
+		else
+			++__progname;
+		for (s = __progname_storage; *__progname &&
+		    s < &__progname_storage[sizeof __progname_storage - 1]; )
+			*s++ = *__progname++;
+		*s = '\0';
+		__progname = __progname_storage;
+	}
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&_eprol, (u_long)&_etext);
+#endif
+
+	__init();
+
+	exit(main(argc, argv, environ));
+}
+
+
+static char *
+_strrchr(p, ch)
+register char *p, ch;
+{
+	register char *save;
+
+	for (save = NULL;; ++p) {
+		if (*p == ch)
+			save = (char *)p;
+		if (!*p)
+			return(save);
+	}
+/* NOTREACHED */
+}
+
+#ifdef MCRT0
+asm ("  .text");
+asm ("_eprol:");
+#endif
diff --git a/lib/csu/ia64/md_init.h b/lib/csu/ia64/md_init.h
new file mode 100644
index 00000000000..0c2cfb2572b
--- /dev/null
+++ b/lib/csu/ia64/md_init.h
@@ -0,0 +1,57 @@
+/* $OpenBSD: md_init.h,v 1.1 2011/07/04 05:42:11 pirofti Exp $ */
+
+/*
+ * Copyright (c) 2011 Paul Irofti <pirofti@openbsd.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+#include <machine/asm.h>
+
+#define MD_SECT_CALL_FUNC(section, func)				\
+		__asm (".section "#section", \"ax\"		\n"	\
+		"	br.call.sptk rp="#func"			\n"	\
+		"	.previous")
+
+
+/*-
+ * $FreeBSD: src/lib/csu/ia64/crti.S,v 1.3 2001/11/03 06:31:27 peter Exp $
+ */
+
+#define	MD_SECTION_PROLOGUE(sect, entry_pt)			\
+		__asm (						\
+		".section "#sect",\"ax\",@progbits	\n"	\
+		".proc "#entry_pt"			\n"	\
+		".global "#entry_pt"			\n"	\
+		#entry_pt":				\n"	\
+		".regstk	0,2,0,0			\n"	\
+		".prologue 12,loc0			\n"	\
+		".save	ar.pfs,loc1			\n"	\
+		"alloc	loc1=ar.pfs,0,2,0,0		\n"	\
+		"mov	loc0=b0	/* Save return addr */	\n"	\
+		".endp "#entry_pt"			\n"	\
+		".previous")
+
+/*-
+ * $FreeBSD: src/lib/csu/ia64/crtn.S,v 1.2 2001/10/29 10:18:58 peter Exp $
+ */
+
+#define	MD_SECTION_EPILOGUE(sect)				\
+		__asm (						\
+		".section "#sect",\"ax\",@progbits	\n"	\
+		".regstk 0,2,0,0			\n"	\
+		"mov	b0=loc0	/*Recover return addr*/ \n"	\
+		"mov	ar.pfs=loc1			\n"	\
+		"br.ret.sptk.many b0			\n"	\
+		".previous")