diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2004-01-08 14:59:16 +0000 |
---|---|---|
committer | Dale Rahn <drahn@cvs.openbsd.org> | 2004-01-08 14:59:16 +0000 |
commit | 58b037aa2a117fe4c474549ee14e4c6bfbba585d (patch) | |
tree | f5d8f4fd6ca0aa5131b9bc178009e1cae0a1bae3 /lib | |
parent | 6e07118b4073b7f92810dfdf7b6a0ea317d3ae5f (diff) |
__init/__fini handling on ELF has not been correct. It is supposed to
be a section which code stubs (branches) can be added to initialize/destructor
This adds MD stubs to allow this to operate as expected. should fix wine
and behave according to ELF specs. ok miod@
Diffstat (limited to 'lib')
-rw-r--r-- | lib/csu/alpha/Makefile | 4 | ||||
-rw-r--r-- | lib/csu/alpha/md_init.h | 63 | ||||
-rw-r--r-- | lib/csu/common_elf/crtbegin.c | 37 | ||||
-rw-r--r-- | lib/csu/common_elf/crtbeginS.c | 18 | ||||
-rw-r--r-- | lib/csu/common_elf/crtend.c | 8 | ||||
-rw-r--r-- | lib/csu/common_elf/crtendS.c | 6 | ||||
-rw-r--r-- | lib/csu/hppa/Makefile | 6 | ||||
-rw-r--r-- | lib/csu/hppa/md_init.h | 70 | ||||
-rw-r--r-- | lib/csu/i386/Makefile | 4 | ||||
-rw-r--r-- | lib/csu/i386/md_init.h | 61 | ||||
-rw-r--r-- | lib/csu/powerpc/Makefile | 2 | ||||
-rw-r--r-- | lib/csu/powerpc/md_init.h | 62 | ||||
-rw-r--r-- | lib/csu/sparc/Makefile | 4 | ||||
-rw-r--r-- | lib/csu/sparc/md_init.h | 59 | ||||
-rw-r--r-- | lib/csu/sparc64/Makefile | 4 | ||||
-rw-r--r-- | lib/csu/sparc64/md_init.h | 59 |
16 files changed, 434 insertions, 33 deletions
diff --git a/lib/csu/alpha/Makefile b/lib/csu/alpha/Makefile index 687ac1892da..f1aebe8ee1a 100644 --- a/lib/csu/alpha/Makefile +++ b/lib/csu/alpha/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.13 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.14 2004/01/08 14:59:15 drahn Exp $ # $NetBSD: Makefile,v 1.6 1996/10/18 05:27:38 thorpej Exp $ CFLAGS+= -DLIBC_SCCS -DELFSIZE=64 @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fpic diff --git a/lib/csu/alpha/md_init.h b/lib/csu/alpha/md_init.h new file mode 100644 index 00000000000..020b05c3bff --- /dev/null +++ b/lib/csu/alpha/md_init.h @@ -0,0 +1,63 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ +/*- + * Copyright (c) 2001 Ross Harvey + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\"\n" \ + " jsr $26," #func " \n" \ + " ldgp $29,0($26) \n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + #entry_pt": \n" \ + " ldgp $29, 0($27) \n" \ + " lda $30, -16($30) \n" \ + " stq $26, 0($30) \n" \ + " stq $15, 8($30) \n" \ + " .align 5 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " ldq $15, 8($30) \n" \ + " ldq $26, 0($30) \n" \ + " lda $30, 16($30) \n" \ + " ret \n" \ + " .previous") diff --git a/lib/csu/common_elf/crtbegin.c b/lib/csu/common_elf/crtbegin.c index cb7da3b2a14..6399d6c8075 100644 --- a/lib/csu/common_elf/crtbegin.c +++ b/lib/csu/common_elf/crtbegin.c @@ -1,4 +1,4 @@ -/* $OpenBSD: crtbegin.c,v 1.6 2002/02/16 21:27:20 millert Exp $ */ +/* $OpenBSD: crtbegin.c,v 1.7 2004/01/08 14:59:15 drahn Exp $ */ /* $NetBSD: crtbegin.c,v 1.1 1996/09/12 16:59:03 cgd Exp $ */ /* @@ -41,11 +41,12 @@ */ #include <stdlib.h> +#include "md_init.h" #include "os-note-elf.h" -static void (*__CTOR_LIST__[1])(void) +static const void (*__CTOR_LIST__[1])(void) __attribute__((section(".ctors"))) = { (void *)-1 }; /* XXX */ -static void (*__DTOR_LIST__[1])(void) +static const void (*__DTOR_LIST__[1])(void) __attribute__((section(".dtors"))) = { (void *)-1 }; /* XXX */ static void __dtors(void); @@ -55,7 +56,7 @@ static void __dtors() { unsigned long i = (unsigned long) __DTOR_LIST__[0]; - void (**p)(void); + void const (**p)(void); if (i == -1) { for (i = 1; __DTOR_LIST__[i] != NULL; i++) @@ -70,17 +71,27 @@ __dtors() static void __ctors() { - void (**p)(void) = __CTOR_LIST__ + 1; + void const (**p)(void) = __CTOR_LIST__ + 1; while (*p) (**p++)(); } -void __init(void) __attribute__((section(".init"))); -void __fini(void) __attribute__((section(".fini"))); +void __init(void); +void __fini(void); +static void __do_init(void); +static void __do_fini(void); + +MD_SECTION_PROLOGUE(".init", __init); + +MD_SECTION_PROLOGUE(".fini", __fini); + +MD_SECT_CALL_FUNC(".init", __do_init); +MD_SECT_CALL_FUNC(".fini", __do_fini); + void -__init() +__do_init() { static int initialized = 0; @@ -90,18 +101,18 @@ __init() */ if (!initialized) { initialized = 1; - __ctors(); - } + (__ctors)(); - atexit(__fini); + atexit(__fini); + } } void -__fini() +__do_fini() { /* * Call global destructors. */ - __dtors(); + (__dtors)(); } diff --git a/lib/csu/common_elf/crtbeginS.c b/lib/csu/common_elf/crtbeginS.c index da66081dae3..08ec27bb21c 100644 --- a/lib/csu/common_elf/crtbeginS.c +++ b/lib/csu/common_elf/crtbeginS.c @@ -1,4 +1,4 @@ -/* $OpenBSD: crtbeginS.c,v 1.4 2003/12/28 04:11:52 drahn Exp $ */ +/* $OpenBSD: crtbeginS.c,v 1.5 2004/01/08 14:59:15 drahn Exp $ */ /* $NetBSD: crtbegin.c,v 1.1 1996/09/12 16:59:03 cgd Exp $ */ /* @@ -41,6 +41,7 @@ */ #include <stdlib.h> +#include "md_init.h" static void (*__CTOR_LIST__[1])(void) __attribute__((section(".ctors"))) = { (void *)-1 }; /* XXX */ @@ -76,9 +77,20 @@ __ctors(void) (**p++)(); } } +void _init(void); +void _fini(void); +static void _do_init(void); +static void _do_fini(void); + +MD_SECTION_PROLOGUE(".init", _init); + +MD_SECTION_PROLOGUE(".fini", _fini); + +MD_SECT_CALL_FUNC(".init", _do_init); +MD_SECT_CALL_FUNC(".fini", _do_fini); void -_init(void) +_do_init(void) { static int initialized = 0; @@ -93,7 +105,7 @@ _init(void) } void -_fini(void) +_do_fini(void) { /* * since the _init() function sets up the destructors to be called diff --git a/lib/csu/common_elf/crtend.c b/lib/csu/common_elf/crtend.c index e81d17481f2..484ca3cc5d3 100644 --- a/lib/csu/common_elf/crtend.c +++ b/lib/csu/common_elf/crtend.c @@ -1,13 +1,13 @@ -/* $OpenBSD: crtend.c,v 1.2 2002/02/16 21:27:20 millert Exp $ */ +/* $OpenBSD: crtend.c,v 1.3 2004/01/08 14:59:15 drahn Exp $ */ /* $NetBSD: crtend.c,v 1.1 1996/09/12 16:59:04 cgd Exp $ */ -#ifndef ECOFF_COMPAT - #include <sys/cdefs.h> +#include "md_init.h" static void (*__CTOR_LIST__[1])(void) __attribute__((section(".ctors"))) = { (void *)0 }; /* XXX */ static void (*__DTOR_LIST__[1])(void) __attribute__((section(".dtors"))) = { (void *)0 }; /* XXX */ -#endif /* !ECOFF_COMPAT */ +MD_SECTION_EPILOGUE(".init"); +MD_SECTION_EPILOGUE(".fini"); diff --git a/lib/csu/common_elf/crtendS.c b/lib/csu/common_elf/crtendS.c index 264189126e8..dd957d071fc 100644 --- a/lib/csu/common_elf/crtendS.c +++ b/lib/csu/common_elf/crtendS.c @@ -1,9 +1,13 @@ -/* $OpenBSD: crtendS.c,v 1.2 2002/02/16 21:27:20 millert Exp $ */ +/* $OpenBSD: crtendS.c,v 1.3 2004/01/08 14:59:15 drahn Exp $ */ /* $NetBSD: crtend.c,v 1.1 1997/04/16 19:38:24 thorpej Exp $ */ #include <sys/cdefs.h> +#include "md_init.h" static void (*__CTOR_LIST__[1])(void) __attribute__((section(".ctors"))) = { (void *)0 }; /* XXX */ static void (*__DTOR_LIST__[1])(void) __attribute__((section(".dtors"))) = { (void *)0 }; /* XXX */ + +MD_SECTION_EPILOGUE(".init"); +MD_SECTION_EPILOGUE(".fini"); diff --git a/lib/csu/hppa/Makefile b/lib/csu/hppa/Makefile index 052e293925c..10626bf1de7 100644 --- a/lib/csu/hppa/Makefile +++ b/lib/csu/hppa/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.3 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.4 2004/01/08 14:59:15 drahn Exp $ # from: @(#)Makefile 5.5 (Berkeley) 5/21/91 CFLAGS+= -DLIBC_SCCS @@ -7,9 +7,9 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} -#PICFLAG?=-fPIC +PICFLAG?=-fPIC -DPIC all: ${OBJS} diff --git a/lib/csu/hppa/md_init.h b/lib/csu/hppa/md_init.h new file mode 100644 index 00000000000..6b405c59301 --- /dev/null +++ b/lib/csu/hppa/md_init.h @@ -0,0 +1,70 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/* + * Copyright (c) 2003 Dale Rahn. 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. + */ + + +#ifdef PIC +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section",\"ax\",@progbits \n" \ + " stw %r19,-32(%r30) \n" \ + " stw %r4,-64(%r30) \n" \ + " bl " #func ",%r2 \n" \ + " copy %r19,%r4 \n" \ + " copy %r4,%r19 \n" \ + " .previous") +#else +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section .rodata \n" \ + " .align 4 \n" \ + "L$" #func " \n" \ + " .word "#func " \n" \ + " .previous \n" \ + " .section "#section",\"ax\",@progbits \n" \ + " ldil LR'L$" #func ",%r1 \n" \ + " ldw RR'L$" #func "(%r1), %r31 \n" \ + " ble 0(%sr4,%r31) \n" \ + " copy %r31,%r2 \n" \ + " .previous") +#endif + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " .EXPORT "#entry_pt",ENTRY,PRIV_LEV=3,ARGW0=NO,ARGW1=NO,ARGW2=NO,ARGW3=NO,RTNVAL=NO \n" \ + " .align 4 \n" \ + #entry_pt" \n" \ + " stw %r2, -20(%r30) \n" \ + " ldo 64(%r30),%r30 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " ldw -84(%r30),%r2 \n" \ + " bv %r0(%r2) \n" \ + " ldo -64(%r30),%r30 \n" \ + " .previous") diff --git a/lib/csu/i386/Makefile b/lib/csu/i386/Makefile index 234e9f70a87..0155a11ac85 100644 --- a/lib/csu/i386/Makefile +++ b/lib/csu/i386/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.8 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.9 2004/01/08 14:59:15 drahn Exp $ # from: @(#)Makefile 5.5 (Berkeley) 5/21/91 CFLAGS+= -DLIBC_SCCS -fno-omit-frame-pointer @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fpic diff --git a/lib/csu/i386/md_init.h b/lib/csu/i386/md_init.h new file mode 100644 index 00000000000..852d46cd407 --- /dev/null +++ b/lib/csu/i386/md_init.h @@ -0,0 +1,61 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/*- + * Copyright (c) 2001 Ross Harvey + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\"\n" \ + " call " #func "\n" \ + " .previous") + +/* + * Align is after because we want the function to start at the first + * address of the section, but overall we want the section to be + * aligned by the align amount. + */ +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + #entry_pt": \n" \ + " .align 16 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " ret \n" \ + " .previous") diff --git a/lib/csu/powerpc/Makefile b/lib/csu/powerpc/Makefile index 3d5a9b89d1a..47adc13a1d1 100644 --- a/lib/csu/powerpc/Makefile +++ b/lib/csu/powerpc/Makefile @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fpic diff --git a/lib/csu/powerpc/md_init.h b/lib/csu/powerpc/md_init.h new file mode 100644 index 00000000000..c7953143668 --- /dev/null +++ b/lib/csu/powerpc/md_init.h @@ -0,0 +1,62 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/*- + * Copyright (c) 2001 Ross Harvey + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\"\n" \ + " bl " #func "\n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + " .align 4 \n" \ + #entry_pt": \n" \ + " stwu %r1,-16(%r1) \n" \ + " mflr %r0 \n" \ + " stw %r0,12(%r1) \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " lwz %r0,12(%r1) \n" \ + " mtlr %r0 \n" \ + " addi %r1,%r1,16 \n" \ + " blr \n" \ + " .previous") diff --git a/lib/csu/sparc/Makefile b/lib/csu/sparc/Makefile index 4da9d6b939d..541b3114020 100644 --- a/lib/csu/sparc/Makefile +++ b/lib/csu/sparc/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.7 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.8 2004/01/08 14:59:15 drahn Exp $ # from: @(#)Makefile 5.5 (Berkeley) 5/21/91 CFLAGS+= -DLIBC_SCCS @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fPIC diff --git a/lib/csu/sparc/md_init.h b/lib/csu/sparc/md_init.h new file mode 100644 index 00000000000..30c0116ede0 --- /dev/null +++ b/lib/csu/sparc/md_init.h @@ -0,0 +1,59 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/*- + * Copyright (c) 2001 Ross Harvey + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\" \n" \ + " call " #func ", 0 \n" \ + " nop \n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + #entry_pt": \n" \ + " save %sp, -96, %sp \n" \ + " .align 4 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " ret \n" \ + " restore \n" \ + " .previous") diff --git a/lib/csu/sparc64/Makefile b/lib/csu/sparc64/Makefile index 27b8c5d3076..e63640416b8 100644 --- a/lib/csu/sparc64/Makefile +++ b/lib/csu/sparc64/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.2 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.3 2004/01/08 14:59:15 drahn Exp $ # $NetBSD: Makefile,v 1.6 1996/10/18 05:27:38 thorpej Exp $ CFLAGS+= -DLIBC_SCCS -DELFSIZE=64 @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fpic diff --git a/lib/csu/sparc64/md_init.h b/lib/csu/sparc64/md_init.h new file mode 100644 index 00000000000..045199de0b9 --- /dev/null +++ b/lib/csu/sparc64/md_init.h @@ -0,0 +1,59 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/*- + * Copyright (c) 2001 Ross Harvey + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\" \n" \ + " call " #func ", 0 \n" \ + " nop \n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + #entry_pt": \n" \ + " save %sp, -192, %sp \n" \ + " .align 4 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " ret \n" \ + " restore \n" \ + " .previous") |