From fbf6ff628e84b712f641118863fd9bcd96cff22a Mon Sep 17 00:00:00 2001 From: cgd Date: Fri, 21 Mar 1997 05:39:42 +0000 Subject: put in two identifying notes, which new binutils snapshots will turn into PT_NOTE sections so they can be examined by execve() to figure out whether this is a native binary, what emulation it's to be run under, etc. --- libexec/ld.elf_so/rtld.c | 6 ++++-- libexec/ld.elf_so/sysident.h | 51 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+), 2 deletions(-) create mode 100644 libexec/ld.elf_so/sysident.h (limited to 'libexec') diff --git a/libexec/ld.elf_so/rtld.c b/libexec/ld.elf_so/rtld.c index 6db58328240..3eee9562c92 100644 --- a/libexec/ld.elf_so/rtld.c +++ b/libexec/ld.elf_so/rtld.c @@ -1,4 +1,4 @@ -/* $NetBSD: rtld.c,v 1.2 1996/12/18 22:27:29 cgd Exp $ */ +/* $NetBSD: rtld.c,v 1.3 1997/03/21 05:39:42 cgd Exp $ */ /* * Copyright 1996 John D. Polstra. @@ -45,7 +45,7 @@ #include #include #include -#include +#include #include #include @@ -55,6 +55,8 @@ #include "debug.h" #include "rtld.h" +#include "sysident.h" + #ifndef RTLD_NOW #define RTLD_NOW (RTLD_LAZY + 1) #endif diff --git a/libexec/ld.elf_so/sysident.h b/libexec/ld.elf_so/sysident.h new file mode 100644 index 00000000000..1908d160e98 --- /dev/null +++ b/libexec/ld.elf_so/sysident.h @@ -0,0 +1,51 @@ +/* $NetBSD: sysident.h,v 1.1 1997/03/21 05:39:43 cgd 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 by Christopher G. Demetriou + * for the NetBSD Project. + * 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. + */ + +#define __S(x) __STRING(x) +__asm(" + .section \".note.netbsd.ident\", \"a\" + .p2align 2 + + # NetBSD note: OS version + .long 7 # name size + .long 4 # desc size + .long " __S(ELF_NOTE_NETBSD_TYPE_OSVERSION) " # type + .ascii \"NetBSD\\0\\0\" # name (padded to % 4 == 0) + .long " __S(NetBSD) " # desc (padded to % 4 == 0) + + # NetBSD note: emulation name + .long 7 # name size + .long 7 # desc size + .long " __S(ELF_NOTE_NETBSD_TYPE_EMULNAME) " # type + .ascii \"NetBSD\\0\\0\" # name (padded to % 4 == 0) + .ascii \"netbsd\\0\\0\" # desc (padded to % 4 == 0) +"); -- cgit