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Take crtbegin.c and crtend.c from the new machine-independent

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"common" sister directory.
This commit is contained in:
John Polstra 2000-05-20 17:47:29 +00:00
parent 866299fe42
commit bb63c9d3b4
4 changed files with 4 additions and 135 deletions
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2
lib/csu/amd64/Makefile
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@ -13,6 +13,8 @@ NOPIC= true
NOPROFILE= true
INTERNALLIB= true
.PATH: ${.CURDIR}/../common
all: ${OBJS} ${SOBJS}
gcrt1.o: crt1.c

2
lib/csu/i386-elf/Makefile
View File

@ -13,6 +13,8 @@ NOPIC= true
NOPROFILE= true
INTERNALLIB= true
.PATH: ${.CURDIR}/../common
all: ${OBJS} ${SOBJS}
gcrt1.o: crt1.c

102
lib/csu/i386-elf/crtbegin.c
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@ -1,102 +0,0 @@
/*-
* Copyright 1996, 1997, 1998, 2000 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#define ABI_VENDOR "FreeBSD"
#define ABI_SECTION ".note.ABI-tag"
#define ABI_NOTETYPE 1
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)
;
while(--fpp > ctor_list)
(**fpp)();
}
static void
do_dtors(void)
{
fptr *fpp;
for(fpp = dtor_list + 1; *fpp != 0; ++fpp)
(**fpp)();
}
/*
* With very large programs on some architectures (e.g., the Alpha),
* it is possible to get relocation overflows on the limited
* displacements of call/bsr instructions. It is particularly likely
* for the calls from _init() and _fini(), because they are in
* separate sections. Avoid the problem by forcing indirect calls.
*/
static void (*p_do_ctors)(void) = do_ctors;
static void (*p_do_dtors)(void) = do_dtors;
extern void _init(void) __attribute__((section(".init")));
void
_init(void)
{
(*p_do_ctors)();
}
extern void _fini(void) __attribute__((section(".fini")));
void
_fini(void)
{
(*p_do_dtors)();
}
/*
* Special ".note" entry specifying the ABI version. See
* http://www.netbsd.org/Documentation/kernel/elf-notes.html
* for more information.
*/
static const struct {
int32_t namesz;
int32_t descsz;
int32_t type;
char name[sizeof ABI_VENDOR];
int32_t desc;
} abitag __attribute__ ((section (ABI_SECTION))) = {
sizeof ABI_VENDOR,
sizeof(int32_t),
ABI_NOTETYPE,
ABI_VENDOR,
__FreeBSD_version
};

33
lib/csu/i386-elf/crtend.c
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@ -1,33 +0,0 @@
/*-
* 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.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
typedef void (*fptr)(void);
static fptr ctor_end[1] __attribute__((section(".ctors"))) __unused = { 0 };
static fptr dtor_end[1] __attribute__((section(".dtors"))) __unused = { 0 };