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libc: Add NetBSD libc startup code from 10.1.
* sysident_assym.h was manually expanded.
* The ELF_NOTE_MARCH_DESC and ELF_NOTE_MARCH_DESCSZ macros will be defined
by the compiler.
* Legacy .init/.fini stuff was removed.
* GCJ nonsense was removed.
This commit is contained in:
Alex Rønne Petersen
parent
35f8121194
commit
1c342ca7c3
14 changed files with 1108 additions and 0 deletions
45
lib/libc/netbsd/lib/csu/arch/aarch64/crt0.S
vendored
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45
lib/libc/netbsd/lib/csu/arch/aarch64/crt0.S
vendored
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@ -0,0 +1,45 @@
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/* $NetBSD: crt0.S,v 1.2 2018/11/26 17:37:44 joerg Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
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||||||
|
* 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.
|
||||||
|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||||
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <aarch64/asm.h>
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RCSID("$NetBSD: crt0.S,v 1.2 2018/11/26 17:37:44 joerg Exp $")
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STRONG_ALIAS(_start,__start)
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_ENTRY(__start)
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/*
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* void ___start(void (*cleanup)(void),
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* struct ps_strings *ps_strings);
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*/
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mov x1, x2
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b ___start
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END(__start)
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61
lib/libc/netbsd/lib/csu/arch/earm/crt0.S
vendored
Normal file
61
lib/libc/netbsd/lib/csu/arch/earm/crt0.S
vendored
Normal file
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@ -0,0 +1,61 @@
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/* $NetBSD: crt0.S,v 1.4 2018/11/26 17:37:44 joerg Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
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|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
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|
* documentation and/or other materials provided with the distribution.
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|
*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arm/asm.h>
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RCSID("$NetBSD: crt0.S,v 1.4 2018/11/26 17:37:44 joerg Exp $")
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STRONG_ALIAS(_start,__start)
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_ENTRY(__start)
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/*
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* ps_strings is passed in r0 and cleanup in r2.
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* It should be ps_string in r1 and cleanup in r0.
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*/
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mov r1, r0
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mov r0, r2
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/* Ensure the stack is properly aligned before calling C code. */
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#if !defined(__thumb__)
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bic sp, sp, #7
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#else
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movs r6, #7
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mov r7, sp
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bics r7, r7, r6
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mov sp, r7
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#endif
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/*
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* void ___start(void (*cleanup)(void),
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* struct ps_strings *ps_strings);
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*/
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b ___start
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48
lib/libc/netbsd/lib/csu/arch/i386/crt0.S
vendored
Normal file
48
lib/libc/netbsd/lib/csu/arch/i386/crt0.S
vendored
Normal file
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@ -0,0 +1,48 @@
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/* $NetBSD: crt0.S,v 1.4 2018/11/26 17:37:45 joerg Exp $ */
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/*
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* Copyright (c) 1998 Christos Zoulas
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* Copyright (c) 1995 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
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|
* are met:
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|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
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||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
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||||||
|
* notice, this list of conditions and the following disclaimer in the
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|
* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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|
* This product includes software developed for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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*/
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#include <machine/asm.h>
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RCSID("$NetBSD: crt0.S,v 1.4 2018/11/26 17:37:45 joerg Exp $")
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.hidden ___start
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STRONG_ALIAS(_start,__start)
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_ENTRY(__start)
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pushl %ebx
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pushl %edx
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call ___start
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47
lib/libc/netbsd/lib/csu/arch/m68k/crt0.S
vendored
Normal file
47
lib/libc/netbsd/lib/csu/arch/m68k/crt0.S
vendored
Normal file
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@ -0,0 +1,47 @@
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#include <machine/asm.h>
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/*
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* Copyright (c) 1999 Klaus Klein
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* Copyright (c) 1995 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
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||||||
|
* 1. Redistributions of source code must retain the above copyright
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||||||
|
* notice, this list of conditions and the following disclaimer.
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||||||
|
* 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.
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* 3. All advertising materials mentioning features or use of this software
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||||||
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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|
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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||||||
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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||||||
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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*/
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RCSID("$NetBSD: crt0.S,v 1.5 2018/11/26 17:37:45 joerg Exp $")
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STRONG_ALIAS(_start,__start)
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_ENTRY(__start)
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movl %a2,-(%sp) | ps_strings
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movl %a1,-(%sp) | cleanup
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| call: ___start(cleanup, ps_strings)
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jbsr ___start
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END(__start)
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59
lib/libc/netbsd/lib/csu/arch/mips/crt0.S
vendored
Normal file
59
lib/libc/netbsd/lib/csu/arch/mips/crt0.S
vendored
Normal file
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@ -0,0 +1,59 @@
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/* $NetBSD: crt0.S,v 1.4 2018/11/26 17:37:45 joerg Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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||||||
|
* 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.
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|
*
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* 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
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||||||
|
* 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
|
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* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
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#include <mips/asm.h>
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RCSID("$NetBSD: crt0.S,v 1.4 2018/11/26 17:37:45 joerg Exp $")
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STRONG_ALIAS(_start,__start)
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/*
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* Assumes kernel (or ld_elf.so) passes the following parameters to
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* user-space in registers:
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*
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* a0 stack pointer (0 if setregs didn't fill this in)
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* a1 cleanup
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* a2 Obj_Entry
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* a3 ps_strings
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*
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* XXX Does this violate the ABI?
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|
* as well as the usual registers (pc, sp, and t9 == pc for ABI).
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*/
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|
|
||||||
|
NESTED_NOPROFILE(__start, CALLFRAME_SIZ, ra)
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SETUP_GP
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SETUP_GP64(t3, __start)
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move a0, a1 /* cleanup */
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PTR_L t9,%call16(_C_LABEL(___start))(gp)
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move a1, a3 /* ps_strings */
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.reloc 1f,R_MIPS_JALR,___start
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|
1: jr t9
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END(__start)
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56
lib/libc/netbsd/lib/csu/arch/powerpc/crt0.S
vendored
Normal file
56
lib/libc/netbsd/lib/csu/arch/powerpc/crt0.S
vendored
Normal file
|
|
@ -0,0 +1,56 @@
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/*-
|
||||||
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* 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 <powerpc/asm.h>
|
||||||
|
|
||||||
|
RCSID("$NetBSD: crt0.S,v 1.7 2018/11/26 17:37:45 joerg Exp $")
|
||||||
|
|
||||||
|
STRONG_ALIAS(_start,__start)
|
||||||
|
|
||||||
|
.hidden ___start
|
||||||
|
|
||||||
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#ifndef _LP64
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|
.weak _SDA_BASE_
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||||||
|
#endif
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||||||
|
|
||||||
|
ENTRY_NOPROFILE(__start)
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|
#ifndef _LP64
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bcl 20,31,1f
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|
1:
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||||||
|
mflr %r11
|
||||||
|
/* SVR4 ABI says small data is in r13 */
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||||||
|
addis %r13,%r11,_SDA_BASE_-1b@ha
|
||||||
|
addi %r13,%r13,_SDA_BASE_-1b@l
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|
#endif
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||||||
|
|
||||||
|
mr %r3,%r7 /* cleanup */
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|
mr %r4,%r8 /* ps_strings */
|
||||||
|
|
||||||
|
CALL(___start)
|
||||||
|
END(__start)
|
||||||
55
lib/libc/netbsd/lib/csu/arch/sparc/crt0.S
vendored
Normal file
55
lib/libc/netbsd/lib/csu/arch/sparc/crt0.S
vendored
Normal file
|
|
@ -0,0 +1,55 @@
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|
/* $NetBSD: crt0.S,v 1.3 2018/11/26 17:37:45 joerg Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1998 Christos Zoulas
|
||||||
|
* Copyright (c) 1995 Christopher G. Demetriou
|
||||||
|
* 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 for the
|
||||||
|
* NetBSD Project. See http://www.NetBSD.org/ for
|
||||||
|
* information about NetBSD.
|
||||||
|
* 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: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <machine/asm.h>
|
||||||
|
|
||||||
|
RCSID("$NetBSD: crt0.S,v 1.3 2018/11/26 17:37:45 joerg Exp $")
|
||||||
|
|
||||||
|
STRONG_ALIAS(_start,__start)
|
||||||
|
|
||||||
|
! called with:
|
||||||
|
! %g3 = cleanup
|
||||||
|
! %g1 = ps_strings
|
||||||
|
! call: ___start(cleanup, ps_strings)
|
||||||
|
_ENTRY(__start)
|
||||||
|
mov 0, %fp
|
||||||
|
andn %sp, 7, %sp ! align stack
|
||||||
|
sub %sp, 24, %sp ! expand to standard stack frame size
|
||||||
|
mov %g3, %o0
|
||||||
|
call ___start
|
||||||
|
mov %g1, %o1
|
||||||
|
|
||||||
59
lib/libc/netbsd/lib/csu/arch/sparc64/crt0.S
vendored
Normal file
59
lib/libc/netbsd/lib/csu/arch/sparc64/crt0.S
vendored
Normal file
|
|
@ -0,0 +1,59 @@
|
||||||
|
/* $NetBSD: crt0.S,v 1.2 2018/11/26 17:37:46 joerg Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1998 Christos Zoulas
|
||||||
|
* Copyright (c) 1995 Christopher G. Demetriou
|
||||||
|
* 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 for the
|
||||||
|
* NetBSD Project. See http://www.NetBSD.org/ for
|
||||||
|
* information about NetBSD.
|
||||||
|
* 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: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <machine/asm.h>
|
||||||
|
|
||||||
|
RCSID("$NetBSD: crt0.S,v 1.2 2018/11/26 17:37:46 joerg Exp $")
|
||||||
|
|
||||||
|
STRONG_ALIAS(_start,__start)
|
||||||
|
|
||||||
|
.align 4
|
||||||
|
.register %g3,#scratch
|
||||||
|
.register %g2,#scratch
|
||||||
|
|
||||||
|
! called with:
|
||||||
|
! %g3 = cleanup
|
||||||
|
! %g2 = obj
|
||||||
|
! %g1 = ps_strings
|
||||||
|
! call: ___start(cleanup, ps_strings)
|
||||||
|
_ENTRY(__start)
|
||||||
|
clr %fp
|
||||||
|
clr %g4 ! data base for some memory models
|
||||||
|
mov %g3, %o0
|
||||||
|
ba,pt %icc,___start
|
||||||
|
mov %g1, %o1
|
||||||
|
|
||||||
48
lib/libc/netbsd/lib/csu/arch/x86_64/crt0.S
vendored
Normal file
48
lib/libc/netbsd/lib/csu/arch/x86_64/crt0.S
vendored
Normal file
|
|
@ -0,0 +1,48 @@
|
||||||
|
/* $NetBSD: crt0.S,v 1.4 2018/11/26 17:37:46 joerg Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1998 Christos Zoulas
|
||||||
|
* Copyright (c) 1995 Christopher G. Demetriou
|
||||||
|
* 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 for the
|
||||||
|
* NetBSD Project. See http://www.NetBSD.org/ for
|
||||||
|
* information about NetBSD.
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <machine/asm.h>
|
||||||
|
|
||||||
|
RCSID("$NetBSD: crt0.S,v 1.4 2018/11/26 17:37:46 joerg Exp $")
|
||||||
|
|
||||||
|
STRONG_ALIAS(_start,__start)
|
||||||
|
.hidden ___start
|
||||||
|
|
||||||
|
_ENTRY(__start)
|
||||||
|
andq $~15,%rsp
|
||||||
|
subq $8,%rsp
|
||||||
|
movq %rdx, %rdi
|
||||||
|
movq %rbx, %rsi
|
||||||
|
jmp ___start
|
||||||
351
lib/libc/netbsd/lib/csu/common/crt0-common.c
vendored
Normal file
351
lib/libc/netbsd/lib/csu/common/crt0-common.c
vendored
Normal file
|
|
@ -0,0 +1,351 @@
|
||||||
|
/* $NetBSD: crt0-common.c,v 1.27 2022/06/21 06:52:17 skrll Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1998 Christos Zoulas
|
||||||
|
* Copyright (c) 1995 Christopher G. Demetriou
|
||||||
|
* 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 for the
|
||||||
|
* NetBSD Project. See http://www.NetBSD.org/ for
|
||||||
|
* information about NetBSD.
|
||||||
|
* 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: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sys/cdefs.h>
|
||||||
|
__RCSID("$NetBSD: crt0-common.c,v 1.27 2022/06/21 06:52:17 skrll Exp $");
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/exec.h>
|
||||||
|
#include <sys/exec_elf.h>
|
||||||
|
#include <sys/syscall.h>
|
||||||
|
#include <machine/profile.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
|
||||||
|
#include "csu-common.h"
|
||||||
|
|
||||||
|
extern int main(int, char **, char **);
|
||||||
|
|
||||||
|
typedef void (*fptr_t)(void);
|
||||||
|
#ifndef HAVE_INITFINI_ARRAY
|
||||||
|
extern void _init(void);
|
||||||
|
extern void _fini(void);
|
||||||
|
#endif
|
||||||
|
extern void _libc_init(void);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Arrange for _DYNAMIC to be weak and undefined (and therefore to show up
|
||||||
|
* as being at address zero, unless something else defines it). That way,
|
||||||
|
* if we happen to be compiling without -static but with without any
|
||||||
|
* shared libs present, things will still work.
|
||||||
|
*/
|
||||||
|
|
||||||
|
__weakref_visible int rtld_DYNAMIC __weak_reference(_DYNAMIC);
|
||||||
|
|
||||||
|
#ifdef MCRT0
|
||||||
|
extern void monstartup(u_long, u_long);
|
||||||
|
extern void _mcleanup(void);
|
||||||
|
extern unsigned char __etext, __eprol;
|
||||||
|
#endif /* MCRT0 */
|
||||||
|
|
||||||
|
static char empty_string[] = "";
|
||||||
|
|
||||||
|
char **environ __common;
|
||||||
|
struct ps_strings *__ps_strings __common = 0;
|
||||||
|
char *__progname __common = empty_string;
|
||||||
|
|
||||||
|
__dead __dso_hidden void ___start(void (*)(void), struct ps_strings *);
|
||||||
|
|
||||||
|
#define write(fd, s, n) __syscall(SYS_write, (fd), (s), (n))
|
||||||
|
|
||||||
|
#define _FATAL(str) \
|
||||||
|
do { \
|
||||||
|
write(2, str, sizeof(str)-1); \
|
||||||
|
_exit(1); \
|
||||||
|
} while (0)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If we are using INIT_ARRAY/FINI_ARRAY and we are linked statically,
|
||||||
|
* we have to process these instead of relying on RTLD to do it for us.
|
||||||
|
*
|
||||||
|
* Since we don't need .init or .fini sections, just code them in C
|
||||||
|
* to make life easier.
|
||||||
|
*/
|
||||||
|
extern const fptr_t __preinit_array_start[] __dso_hidden;
|
||||||
|
extern const fptr_t __preinit_array_end[] __dso_hidden __weak;
|
||||||
|
extern const fptr_t __init_array_start[] __dso_hidden;
|
||||||
|
extern const fptr_t __init_array_end[] __dso_hidden __weak;
|
||||||
|
extern const fptr_t __fini_array_start[] __dso_hidden;
|
||||||
|
extern const fptr_t __fini_array_end[] __dso_hidden __weak;
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
_preinit(void)
|
||||||
|
{
|
||||||
|
for (const fptr_t *f = __preinit_array_start; f < __preinit_array_end; f++) {
|
||||||
|
(*f)();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
_initarray(void)
|
||||||
|
{
|
||||||
|
for (const fptr_t *f = __init_array_start; f < __init_array_end; f++) {
|
||||||
|
(*f)();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
_finiarray(void)
|
||||||
|
{
|
||||||
|
for (const fptr_t *f = __fini_array_start; f < __fini_array_end; f++) {
|
||||||
|
(*f)();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#if \
|
||||||
|
defined(__aarch64__) || \
|
||||||
|
defined(__powerpc__) || \
|
||||||
|
defined(__sparc__) || \
|
||||||
|
defined(__x86_64__)
|
||||||
|
#define HAS_IPLTA
|
||||||
|
static void fix_iplta(void) __noinline;
|
||||||
|
#elif \
|
||||||
|
defined(__arm__) || \
|
||||||
|
defined(__i386__)
|
||||||
|
#define HAS_IPLT
|
||||||
|
static void fix_iplt(void) __noinline;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef HAS_IPLTA
|
||||||
|
#include <stdio.h>
|
||||||
|
extern const Elf_Rela __rela_iplt_start[] __dso_hidden __weak;
|
||||||
|
extern const Elf_Rela __rela_iplt_end[] __dso_hidden __weak;
|
||||||
|
#ifdef __sparc__
|
||||||
|
#define IFUNC_RELOCATION R_TYPE(JMP_IREL)
|
||||||
|
#include <machine/elf_support.h>
|
||||||
|
#define write_plt(where, value) sparc_write_branch((void *)where, (void *)value)
|
||||||
|
#else
|
||||||
|
#define IFUNC_RELOCATION R_TYPE(IRELATIVE)
|
||||||
|
#define write_plt(where, value) *where = value
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static void
|
||||||
|
fix_iplta(void)
|
||||||
|
{
|
||||||
|
const Elf_Rela *rela, *relalim;
|
||||||
|
uintptr_t relocbase = 0;
|
||||||
|
Elf_Addr *where, target;
|
||||||
|
|
||||||
|
rela = __rela_iplt_start;
|
||||||
|
relalim = __rela_iplt_end;
|
||||||
|
for (; rela < relalim; ++rela) {
|
||||||
|
if (ELF_R_TYPE(rela->r_info) != IFUNC_RELOCATION)
|
||||||
|
abort();
|
||||||
|
where = (Elf_Addr *)(relocbase + rela->r_offset);
|
||||||
|
target = (Elf_Addr)(relocbase + rela->r_addend);
|
||||||
|
target = ((Elf_Addr(*)(void))target)();
|
||||||
|
write_plt(where, target);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#ifdef HAS_IPLT
|
||||||
|
extern const Elf_Rel __rel_iplt_start[] __dso_hidden __weak;
|
||||||
|
extern const Elf_Rel __rel_iplt_end[] __dso_hidden __weak;
|
||||||
|
#define IFUNC_RELOCATION R_TYPE(IRELATIVE)
|
||||||
|
|
||||||
|
static void
|
||||||
|
fix_iplt(void)
|
||||||
|
{
|
||||||
|
const Elf_Rel *rel, *rellim;
|
||||||
|
uintptr_t relocbase = 0;
|
||||||
|
Elf_Addr *where, target;
|
||||||
|
|
||||||
|
rel = __rel_iplt_start;
|
||||||
|
rellim = __rel_iplt_end;
|
||||||
|
for (; rel < rellim; ++rel) {
|
||||||
|
if (ELF_R_TYPE(rel->r_info) != IFUNC_RELOCATION)
|
||||||
|
abort();
|
||||||
|
where = (Elf_Addr *)(relocbase + rel->r_offset);
|
||||||
|
target = ((Elf_Addr(*)(void))*where)();
|
||||||
|
*where = target;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if defined(__x86_64__) || defined(__i386__)
|
||||||
|
# define HAS_RELOCATE_SELF
|
||||||
|
# if defined(__x86_64__)
|
||||||
|
# define RELA
|
||||||
|
# define REL_TAG DT_RELA
|
||||||
|
# define RELSZ_TAG DT_RELASZ
|
||||||
|
# define REL_TYPE Elf_Rela
|
||||||
|
# else
|
||||||
|
# define REL_TAG DT_REL
|
||||||
|
# define RELSZ_TAG DT_RELSZ
|
||||||
|
# define REL_TYPE Elf_Rel
|
||||||
|
# endif
|
||||||
|
|
||||||
|
#include <elf.h>
|
||||||
|
|
||||||
|
static void relocate_self(struct ps_strings *) __noinline;
|
||||||
|
|
||||||
|
static void
|
||||||
|
relocate_self(struct ps_strings *ps_strings)
|
||||||
|
{
|
||||||
|
AuxInfo *aux = (AuxInfo *)(ps_strings->ps_argvstr + ps_strings->ps_nargvstr +
|
||||||
|
ps_strings->ps_nenvstr + 2);
|
||||||
|
uintptr_t relocbase = (uintptr_t)~0U;
|
||||||
|
const Elf_Phdr *phdr = NULL;
|
||||||
|
Elf_Half phnum = (Elf_Half)~0;
|
||||||
|
|
||||||
|
for (; aux->a_type != AT_NULL; ++aux) {
|
||||||
|
switch (aux->a_type) {
|
||||||
|
case AT_BASE:
|
||||||
|
if (aux->a_v)
|
||||||
|
return;
|
||||||
|
break;
|
||||||
|
case AT_PHDR:
|
||||||
|
phdr = (void *)aux->a_v;
|
||||||
|
break;
|
||||||
|
case AT_PHNUM:
|
||||||
|
phnum = (Elf_Half)aux->a_v;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (phdr == NULL || phnum == (Elf_Half)~0)
|
||||||
|
return;
|
||||||
|
|
||||||
|
const Elf_Phdr *phlimit = phdr + phnum, *dynphdr = NULL;
|
||||||
|
|
||||||
|
for (; phdr < phlimit; ++phdr) {
|
||||||
|
if (phdr->p_type == PT_DYNAMIC)
|
||||||
|
dynphdr = phdr;
|
||||||
|
if (phdr->p_type == PT_PHDR)
|
||||||
|
relocbase = (uintptr_t)phdr - phdr->p_vaddr;
|
||||||
|
}
|
||||||
|
if (dynphdr == NULL || relocbase == (uintptr_t)~0U)
|
||||||
|
return;
|
||||||
|
|
||||||
|
Elf_Dyn *dynp = (Elf_Dyn *)((uint8_t *)dynphdr->p_vaddr + relocbase);
|
||||||
|
|
||||||
|
const REL_TYPE *relocs = 0, *relocslim;
|
||||||
|
Elf_Addr relocssz = 0;
|
||||||
|
|
||||||
|
for (; dynp->d_tag != DT_NULL; dynp++) {
|
||||||
|
switch (dynp->d_tag) {
|
||||||
|
case REL_TAG:
|
||||||
|
relocs =
|
||||||
|
(const REL_TYPE *)(relocbase + dynp->d_un.d_ptr);
|
||||||
|
break;
|
||||||
|
case RELSZ_TAG:
|
||||||
|
relocssz = dynp->d_un.d_val;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
relocslim = (const REL_TYPE *)((const uint8_t *)relocs + relocssz);
|
||||||
|
for (; relocs < relocslim; ++relocs) {
|
||||||
|
Elf_Addr *where;
|
||||||
|
|
||||||
|
where = (Elf_Addr *)(relocbase + relocs->r_offset);
|
||||||
|
|
||||||
|
switch (ELF_R_TYPE(relocs->r_info)) {
|
||||||
|
case R_TYPE(RELATIVE): /* word64 B + A */
|
||||||
|
#ifdef RELA
|
||||||
|
*where = (Elf_Addr)(relocbase + relocs->r_addend);
|
||||||
|
#else
|
||||||
|
*where += (Elf_Addr)relocbase;
|
||||||
|
#endif
|
||||||
|
break;
|
||||||
|
#ifdef IFUNC_RELOCATION
|
||||||
|
case IFUNC_RELOCATION:
|
||||||
|
break;
|
||||||
|
#endif
|
||||||
|
default:
|
||||||
|
abort();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
void
|
||||||
|
___start(void (*cleanup)(void), /* from shared loader */
|
||||||
|
struct ps_strings *ps_strings)
|
||||||
|
{
|
||||||
|
#if defined(HAS_RELOCATE_SELF)
|
||||||
|
relocate_self(ps_strings);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
if (ps_strings == NULL)
|
||||||
|
_FATAL("ps_strings missing\n");
|
||||||
|
__ps_strings = ps_strings;
|
||||||
|
|
||||||
|
environ = ps_strings->ps_envstr;
|
||||||
|
|
||||||
|
if (ps_strings->ps_argvstr[0] != NULL) {
|
||||||
|
char *c;
|
||||||
|
__progname = ps_strings->ps_argvstr[0];
|
||||||
|
for (c = ps_strings->ps_argvstr[0]; *c; ++c) {
|
||||||
|
if (*c == '/')
|
||||||
|
__progname = c + 1;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
__progname = empty_string;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (cleanup != NULL)
|
||||||
|
atexit(cleanup);
|
||||||
|
|
||||||
|
_libc_init();
|
||||||
|
|
||||||
|
if (&rtld_DYNAMIC == NULL) {
|
||||||
|
#ifdef HAS_IPLTA
|
||||||
|
fix_iplta();
|
||||||
|
#endif
|
||||||
|
#ifdef HAS_IPLT
|
||||||
|
fix_iplt();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
_preinit();
|
||||||
|
|
||||||
|
#ifdef MCRT0
|
||||||
|
atexit(_mcleanup);
|
||||||
|
monstartup((u_long)&__eprol, (u_long)&__etext);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
atexit(_finiarray);
|
||||||
|
_initarray();
|
||||||
|
|
||||||
|
#ifndef HAVE_INITFINI_ARRAY
|
||||||
|
atexit(_fini);
|
||||||
|
_init();
|
||||||
|
#endif
|
||||||
|
|
||||||
|
exit(main(ps_strings->ps_nargvstr, ps_strings->ps_argvstr, environ));
|
||||||
|
}
|
||||||
135
lib/libc/netbsd/lib/csu/common/crtbegin.c
vendored
Normal file
135
lib/libc/netbsd/lib/csu/common/crtbegin.c
vendored
Normal file
|
|
@ -0,0 +1,135 @@
|
||||||
|
/*-
|
||||||
|
* 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 <sys/cdefs.h>
|
||||||
|
__RCSID("$NetBSD: crtbegin.c,v 1.17 2018/12/28 18:17:11 christos Exp $");
|
||||||
|
|
||||||
|
/* zig patch: no crtbegin.h */
|
||||||
|
|
||||||
|
typedef void (*fptr_t)(void);
|
||||||
|
|
||||||
|
/* zig patch: remove gcj nonsense */
|
||||||
|
|
||||||
|
#if !defined(HAVE_INITFINI_ARRAY)
|
||||||
|
extern __dso_hidden const fptr_t __CTOR_LIST__start __asm("__CTOR_LIST__");
|
||||||
|
|
||||||
|
__dso_hidden const fptr_t __aligned(sizeof(void *)) __CTOR_LIST__[] __section(".ctors") = {
|
||||||
|
(fptr_t) -1,
|
||||||
|
};
|
||||||
|
__dso_hidden extern const fptr_t __CTOR_LIST_END__[];
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef SHARED
|
||||||
|
__dso_hidden void *__dso_handle = &__dso_handle;
|
||||||
|
|
||||||
|
__weakref_visible void cxa_finalize(void *)
|
||||||
|
__weak_reference(__cxa_finalize);
|
||||||
|
#else
|
||||||
|
__dso_hidden void *__dso_handle;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
|
||||||
|
__dso_hidden const long __EH_FRAME_LIST__[0] __section(".eh_frame");
|
||||||
|
|
||||||
|
__weakref_visible void register_frame_info(const void *, const void *)
|
||||||
|
__weak_reference(__register_frame_info);
|
||||||
|
__weakref_visible void deregister_frame_info(const void *)
|
||||||
|
__weak_reference(__deregister_frame_info);
|
||||||
|
|
||||||
|
static long dwarf_eh_object[8];
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static void __do_global_ctors_aux(void) __used;
|
||||||
|
|
||||||
|
/* zig patch: use .init_array */
|
||||||
|
__attribute__((constructor))
|
||||||
|
static void
|
||||||
|
__do_global_ctors_aux(void)
|
||||||
|
{
|
||||||
|
static unsigned char __initialized;
|
||||||
|
|
||||||
|
if (__initialized)
|
||||||
|
return;
|
||||||
|
|
||||||
|
__initialized = 1;
|
||||||
|
|
||||||
|
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
|
||||||
|
if (register_frame_info)
|
||||||
|
register_frame_info(__EH_FRAME_LIST__, &dwarf_eh_object);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* zig patch: remove gcj nonsense */
|
||||||
|
|
||||||
|
#if !defined(HAVE_INITFINI_ARRAY)
|
||||||
|
for (const fptr_t *p = __CTOR_LIST_END__; p > &__CTOR_LIST__start + 1; ) {
|
||||||
|
(*(*--p))();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
#if !defined(__ARM_EABI__) || defined(SHARED) || defined(__ARM_DWARF_EH__)
|
||||||
|
#if !defined(HAVE_INITFINI_ARRAY)
|
||||||
|
extern __dso_hidden const fptr_t __DTOR_LIST__start __asm("__DTOR_LIST__");
|
||||||
|
|
||||||
|
__dso_hidden const fptr_t __aligned(sizeof(void *)) __DTOR_LIST__[] __section(".dtors") = {
|
||||||
|
(fptr_t) -1,
|
||||||
|
};
|
||||||
|
__dso_hidden extern const fptr_t __DTOR_LIST_END__[];
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static void __do_global_dtors_aux(void) __used;
|
||||||
|
|
||||||
|
/* zig patch: use .fini_array */
|
||||||
|
__attribute__((destructor))
|
||||||
|
static void
|
||||||
|
__do_global_dtors_aux(void)
|
||||||
|
{
|
||||||
|
static unsigned char __finished;
|
||||||
|
|
||||||
|
if (__finished)
|
||||||
|
return;
|
||||||
|
|
||||||
|
__finished = 1;
|
||||||
|
|
||||||
|
#ifdef SHARED
|
||||||
|
if (cxa_finalize)
|
||||||
|
(*cxa_finalize)(__dso_handle);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if !defined(HAVE_INITFINI_ARRAY)
|
||||||
|
for (const fptr_t *p = &__DTOR_LIST__start + 1; p < __DTOR_LIST_END__; ) {
|
||||||
|
(*(*p++))();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if !defined(__ARM_EABI__) || defined(__ARM_DWARF_EH__)
|
||||||
|
if (deregister_frame_info)
|
||||||
|
deregister_frame_info(__EH_FRAME_LIST__);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
#endif /* !__ARM_EABI__ || SHARED || __ARM_DWARF_EH__ */
|
||||||
38
lib/libc/netbsd/lib/csu/common/csu-common.h
vendored
Normal file
38
lib/libc/netbsd/lib/csu/common/csu-common.h
vendored
Normal file
|
|
@ -0,0 +1,38 @@
|
||||||
|
/*-
|
||||||
|
* Copyright (c) 2021 The NetBSD Foundation, Inc.
|
||||||
|
* 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 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* For historical reasons the following symbols are defined both in libc
|
||||||
|
* and csu and need to be common
|
||||||
|
*/
|
||||||
|
#if __has_attribute(__common__)
|
||||||
|
#define __common __attribute((__common__))
|
||||||
|
#else
|
||||||
|
#define __common
|
||||||
|
#endif
|
||||||
|
extern char *__progname __common;
|
||||||
|
extern char **environ __common;
|
||||||
|
extern struct ps_strings *__ps_strings __common;
|
||||||
89
lib/libc/netbsd/lib/csu/common/sysident.S
vendored
Normal file
89
lib/libc/netbsd/lib/csu/common/sysident.S
vendored
Normal file
|
|
@ -0,0 +1,89 @@
|
||||||
|
/* $NetBSD: sysident.S,v 1.3 2014/05/14 14:59:14 joerg Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1997 Christopher G. Demetriou
|
||||||
|
* 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 for the
|
||||||
|
* NetBSD Project. See http://www.NetBSD.org/ for
|
||||||
|
* information about NetBSD.
|
||||||
|
* 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: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Here we define the NetBSD OS Version in an ELF .note section, structured
|
||||||
|
* like:
|
||||||
|
*
|
||||||
|
* [NOTE HEADER]
|
||||||
|
* long name size
|
||||||
|
* long description size
|
||||||
|
* long note type
|
||||||
|
*
|
||||||
|
* [NOTE DATUM]
|
||||||
|
* string OS name
|
||||||
|
*
|
||||||
|
* OSVERSION notes also have:
|
||||||
|
* long OS version (__NetBSD_Version__ constant from param.h)
|
||||||
|
*
|
||||||
|
* The DATUM fields should be padded out such that their actual (not
|
||||||
|
* declared) sizes % 4 == 0.
|
||||||
|
*
|
||||||
|
* These are used by the kernel to determine if this binary is really a
|
||||||
|
* NetBSD binary, or some other OS's.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "sysident_assym.h"
|
||||||
|
|
||||||
|
.section ".note.netbsd.ident", "a"
|
||||||
|
.p2align 2
|
||||||
|
|
||||||
|
.long ELF_NOTE_NETBSD_NAMESZ
|
||||||
|
.long ELF_NOTE_NETBSD_DESCSZ
|
||||||
|
.long ELF_NOTE_TYPE_NETBSD_TAG
|
||||||
|
.ascii "NetBSD\0\0" /* ELF_NOTE_NETBSD_NAME */
|
||||||
|
.long __NetBSD_Version__
|
||||||
|
|
||||||
|
.section ".note.netbsd.pax", "a"
|
||||||
|
.p2align 2
|
||||||
|
|
||||||
|
.long ELF_NOTE_PAX_NAMESZ
|
||||||
|
.long ELF_NOTE_PAX_DESCSZ
|
||||||
|
.long ELF_NOTE_TYPE_PAX_TAG
|
||||||
|
.ascii "PaX\0" /* ELF_NOTE_PAX_NAME */
|
||||||
|
.long 0
|
||||||
|
|
||||||
|
#ifdef ELF_NOTE_MARCH_DESC
|
||||||
|
.section ".note.netbsd.march", "a"
|
||||||
|
.p2align 2
|
||||||
|
|
||||||
|
.long ELF_NOTE_MARCH_NAMESZ
|
||||||
|
.long ELF_NOTE_MARCH_DESCSZ
|
||||||
|
.long ELF_NOTE_TYPE_MARCH_TAG
|
||||||
|
.ascii "NetBSD\0\0"
|
||||||
|
.asciz ELF_NOTE_MARCH_DESC
|
||||||
|
.p2align 2
|
||||||
|
#endif
|
||||||
17
lib/libc/netbsd/lib/csu/common/sysident_assym.h
vendored
Normal file
17
lib/libc/netbsd/lib/csu/common/sysident_assym.h
vendored
Normal file
|
|
@ -0,0 +1,17 @@
|
||||||
|
/* zig patch: manually expanded from sysident_assym.cf */
|
||||||
|
|
||||||
|
#define ELF_NOTE_NETBSD_NAMESZ 7
|
||||||
|
#define ELF_NOTE_NETBSD_DESCSZ 4
|
||||||
|
#define ELF_NOTE_TYPE_NETBSD_TAG 1
|
||||||
|
#define ELF_NOTE_PAX_NAMESZ 4
|
||||||
|
#define ELF_NOTE_PAX_DESCSZ 4
|
||||||
|
#define ELF_NOTE_TYPE_PAX_TAG 3
|
||||||
|
|
||||||
|
/* zig patch: ELF_NOTE_MARCH_DESC and ELF_NOTE_MARCH_DESCSZ defined by the compiler */
|
||||||
|
#ifdef ELF_NOTE_MARCH_DESC
|
||||||
|
#define ELF_NOTE_MARCH_NAMESZ 7
|
||||||
|
#define ELF_NOTE_TYPE_MARCH_TAG 5
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define ELF_NOTE_MCMODEL_NAMESZ 7
|
||||||
|
#define ELF_NOTE_TYPE_MCMODEL_TAG 6
|
||||||
Loading…
Add table
Reference in a new issue