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[src/trunk]: src/lib/csu Add a common crtbegin.c file and use a machine depen...
details: https://anonhg.NetBSD.org/src/rev/8b333fd2c86f
branches: trunk
changeset: 787526:8b333fd2c86f
user: matt <matt%NetBSD.org@localhost>
date: Sat Jun 22 02:37:09 2013 +0000
description:
Add a common crtbegin.c file and use a machine dependent crtbegin.h to
fill in .init/.fini.
Add mips support for USE_COMPILERCRTSTUFF=no (compiled only)
diffstat:
lib/csu/arch/mips/Makefile.inc | 3 +
lib/csu/arch/mips/crt0.S | 56 +++++++++++++++++++++
lib/csu/arch/mips/crtbegin.h | 37 ++++++++++++++
lib/csu/arch/mips/crtend.S | 55 +++++++++++++++++++++
lib/csu/arch/mips/crti.S | 54 +++++++++++++++++++++
lib/csu/arch/mips/crtn.S | 44 +++++++++++++++++
lib/csu/common/Makefile.inc | 10 +-
lib/csu/common/crtbegin.c | 105 +++++++++++++++++++++++++++++++++++++++++
8 files changed, 359 insertions(+), 5 deletions(-)
diffs (truncated from 417 to 300 lines):
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/Makefile.inc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/Makefile.inc Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,3 @@
+# $NetBSD: Makefile.inc,v 1.1 2013/06/22 02:37:09 matt Exp $
+
+CPPFLAGS+= -I${ARCHDIR}
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/crt0.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/crt0.S Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,56 @@
+/* $NetBSD: crt0.S,v 1.1 2013/06/22 02:37:09 matt Exp $ */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#include <mips/asm.h>
+
+RCSID("$NetBSD: crt0.S,v 1.1 2013/06/22 02:37:09 matt Exp $")
+
+STRONG_ALIAS(_start,__start)
+
+/*
+ * Assumes kernel (or ld_elf.so) passes the following parameters to
+ * user-space in registers:
+ *
+ * a0 stack pointer (0 if setregs didn't fill this in)
+ * a1 cleanup
+ * a2 Obj_Entry
+ * a3 ps_strings
+ *
+ * XXX Does this violate the ABI?
+ * as well as the usual registers (pc, sp, and t9 == pc for ABI).
+ */
+
+NESTED_NOPROFILE(__start, CALLFRAME_SIZ, ra)
+ move a0, a1 /* cleanup */
+ move a1, a2 /* Obj_Entry */
+ move a2, a3 /* ps_strings */
+ j _C_LABEL(___start)
+END(__start)
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/crtbegin.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/crtbegin.h Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+__asm( "\n\t"
+ ".pushsection .init, \"ax\", @progbits" "\n\t"
+ "jal __do_global_ctors_aux" "\n\t"
+ ".popsection");
+__asm( "\n\t"
+ ".pushsection .fini, \"ax\", @progbits" "\n\t"
+ "jal __do_global_dtors_aux" "\n\t"
+ ".popsection");
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/crtend.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/crtend.S Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,55 @@
+/* $NetBSD: crtend.S,v 1.1 2013/06/22 02:37:09 matt Exp $ */
+/*-
+ * Copyright (c) 2012 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#include <mips/asm.h>
+
+RCSID("$NetBSD: crtend.S,v 1.1 2013/06/22 02:37:09 matt Exp $")
+
+ .section .ctors, "aw", @progbits
+ .p2align 2
+ .global __CTOR_LIST_END__
+ .hidden __CTOR_LIST_END__
+__CTOR_LIST_END__:
+ .word 0
+
+ .section .dtors, "aw", @progbits
+ .p2align 2
+ .global __DTOR_LIST_END__
+ .hidden __DTOR_LIST_END__
+__DTOR_LIST_END__:
+ .word 0
+
+ .section .eh_frame, "a", @progbits
+ .p2align 2
+ .space 4
+
+ .section .jcr, "aw", @progbits
+ .p2align 2
+ .space 4
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/crti.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/crti.S Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,54 @@
+/* $NetBSD: crti.S,v 1.1 2013/06/22 02:37:09 matt Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#include <mips/asm.h>
+
+RCSID("$NetBSD: crti.S,v 1.1 2013/06/22 02:37:09 matt Exp $")
+
+#include "sysident.S"
+
+ .section ".init", "ax", @progbits
+NESTED_NOPROFILE(_init, CALLFRAME_SIZ, ra)
+ SETUP_GP
+ PTR_SUBU sp, sp, CALLFRAME_SIZ # allocate stack frame
+ SAVE_GP(CALLFRAME_GP)
+ SETUP_GP64(CALLFRAME_GP, _init)
+ REG_S ra, CALLFRAME_RA(sp) # save RA
+END(_init)
+
+ .section ".fini", "ax", @progbits
+NESTED_NOPROFILE(_fini, CALLFRAME_SIZ, ra)
+ SETUP_GP
+ PTR_SUBU sp, sp, CALLFRAME_SIZ # allocate stack frame
+ SAVE_GP(CALLFRAME_GP)
+ SETUP_GP64(CALLFRAME_GP, _fini)
+ REG_S ra, CALLFRAME_RA(sp) # save RA
+END(_fini)
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/arch/mips/crtn.S
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/arch/mips/crtn.S Sat Jun 22 02:37:09 2013 +0000
@@ -0,0 +1,44 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+#include <mips/asm.h>
+
+RCSID("$NetBSD: crtn.S,v 1.1 2013/06/22 02:37:09 matt Exp $")
+
+ .section ".init", "ax", @progbits
+ RESTORE_GP64
+ REG_L ra, CALLFRAME_RA(sp)
+ PTR_ADDU sp, sp, CALLFRAME_SIZ
+ jr ra
+
+ .section ".fini", "ax", @progbits
+ RESTORE_GP64
+ REG_L ra, CALLFRAME_RA(sp)
+ PTR_ADDU sp, sp, CALLFRAME_SIZ
+ jr ra
diff -r 06a247bb11ce -r 8b333fd2c86f lib/csu/common/Makefile.inc
--- a/lib/csu/common/Makefile.inc Sat Jun 22 02:33:44 2013 +0000
+++ b/lib/csu/common/Makefile.inc Sat Jun 22 02:37:09 2013 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.inc,v 1.8 2013/06/22 02:21:58 matt Exp $
+# $NetBSD: Makefile.inc,v 1.9 2013/06/22 02:37:09 matt Exp $
.include <bsd.own.mk>
@@ -12,10 +12,10 @@
realall: ${OBJS}
-.if exists(${ARCHDIR}/crtbegin.c)
+.if !exists(${ARCHDIR}/crtbegin.S)
crtbegin.o: crtbegin.c
${_MKTARGET_COMPILE}
- ${COMPILE.c} ${ARCHDIR}/crtbegin.c -o ${.TARGET}.o
+ ${COMPILE.c} ${COMMON_DIR}/crtbegin.c -o ${.TARGET}.o
.else
crtbegin.o: crtbegin.S
${_MKTARGET_COMPILE}
@@ -27,10 +27,10 @@
${OBJCOPY} -R .ident ${.TARGET}
.endif
-.if exists(${ARCHDIR}/crtbegin.c)
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