Added setjmp(), sigsetjmp(), and friends from FreeBSD.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8761 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
@@ -0,0 +1,8 @@
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SubDir OBOS_TOP src kernel libroot posix arch x86 ;
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KernelMergeObject posix_arch_$(OBOS_ARCH).o :
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_setjmp.S
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setjmp.S
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sigsetjmp.S
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: -fPIC -DPIC
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;
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@@ -0,0 +1,79 @@
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/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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||||||
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*
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||||||
|
* This code is derived from software contributed to Berkeley by
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|
* William Jolitz.
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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
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||||||
|
* 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 University of
|
||||||
|
* California, Berkeley and its contributors.
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||||||
|
* 4. Neither the name of the University nor the names of its contributors
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||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
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||||||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
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||||||
|
* 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
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||||||
|
* SUCH DAMAGE.
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|
*/
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|
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#include "asm.h"
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/*
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* C library -- _setjmp, _longjmp
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*
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* _longjmp(a,v)
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* will generate a "return(v)" from the last call to
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* _setjmp(a)
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* by restoring registers from the environment 'a'.
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* The previous signal state is NOT restored.
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*/
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ENTRY(_setjmp)
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movl 4(%esp),%eax
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movl 0(%esp),%edx
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movl %edx, 0(%eax) /* rta */
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movl %ebx, 4(%eax)
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movl %esp, 8(%eax)
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movl %ebp,12(%eax)
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movl %esi,16(%eax)
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movl %edi,20(%eax)
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fnstcw 24(%eax)
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xorl %eax,%eax
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ret
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.weak CNAME(_longjmp)
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.set CNAME(_longjmp),CNAME(___longjmp)
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ENTRY(___longjmp)
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movl 4(%esp),%edx
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movl 8(%esp),%eax
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movl 0(%edx),%ecx
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movl 4(%edx),%ebx
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movl 8(%edx),%esp
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movl 12(%edx),%ebp
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movl 16(%edx),%esi
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movl 20(%edx),%edi
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fninit
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fldcw 24(%edx)
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testl %eax,%eax
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jnz 1f
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incl %eax
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1: movl %ecx,0(%esp)
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ret
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@@ -0,0 +1,166 @@
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/*
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* Copyright (c) 1990 The Regents of the University of California.
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|
* All rights reserved.
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||||||
|
*
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||||||
|
* This code is derived from software contributed to Berkeley by
|
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|
* William Jolitz.
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|
*
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|
* 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 University of
|
||||||
|
* California, Berkeley and its contributors.
|
||||||
|
* 4. Neither the name of the University nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
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||||||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
|
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|
* SUCH DAMAGE.
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*/
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#ifndef _MACHINE_ASM_H_
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#define _MACHINE_ASM_H_
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#ifdef PIC
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#define PIC_PROLOGUE \
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pushl %ebx; \
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call 1f; \
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1: \
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popl %ebx; \
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addl $_GLOBAL_OFFSET_TABLE_+[.-1b],%ebx
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#define PIC_EPILOGUE \
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popl %ebx
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#define PIC_PLT(x) x@PLT
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#define PIC_GOT(x) x@GOT(%ebx)
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#else
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#define PIC_PROLOGUE
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#define PIC_EPILOGUE
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#define PIC_PLT(x) x
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#define PIC_GOT(x) x
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#endif
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/*
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* CNAME and HIDENAME manage the relationship between symbol names in C
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* and the equivalent assembly language names. CNAME is given a name as
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* it would be used in a C program. It expands to the equivalent assembly
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* language name. HIDENAME is given an assembly-language name, and expands
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* to a possibly-modified form that will be invisible to C programs.
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*/
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#define CNAME(csym) csym
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#define HIDENAME(asmsym) __CONCAT(.,asmsym)
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/* XXX should use .p2align 4,0x90 for -m486. */
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#define _START_ENTRY .text; .p2align 2,0x90
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#define _ENTRY(x) _START_ENTRY; \
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.globl CNAME(x); .type CNAME(x),@function; CNAME(x):
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#ifdef PROF
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#define ALTENTRY(x) _ENTRY(x); \
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pushl %ebp; movl %esp,%ebp; \
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call PIC_PLT(HIDENAME(mcount)); \
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popl %ebp; \
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jmp 9f
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#define ENTRY(x) _ENTRY(x); \
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pushl %ebp; movl %esp,%ebp; \
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call PIC_PLT(HIDENAME(mcount)); \
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popl %ebp; \
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9:
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#else
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#define ALTENTRY(x) _ENTRY(x)
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#define ENTRY(x) _ENTRY(x)
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#endif
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#define RCSID(x) .text; .asciz x
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#undef __FBSDID
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#if !defined(lint) && !defined(STRIP_FBSDID)
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#define __FBSDID(s) .ident s
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#else
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#define __FBSDID(s) /* nothing */
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#endif /* not lint and not STRIP_FBSDID */
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#ifdef _ARCH_INDIRECT
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/*
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* Generate code to select between the generic functions and _ARCH_INDIRECT
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* specific ones.
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* XXX nested __CONCATs don't work with non-ANSI cpp's.
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*/
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#define ANAME(x) CNAME(__CONCAT(__CONCAT(__,_ARCH_INDIRECT),x))
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#define ASELNAME(x) CNAME(__CONCAT(__arch_select_,x))
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#define AVECNAME(x) CNAME(__CONCAT(__arch_,x))
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#define GNAME(x) CNAME(__CONCAT(__generic_,x))
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/* Don't bother profiling this. */
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#ifdef PIC
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#define ARCH_DISPATCH(x) \
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_START_ENTRY; \
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.globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \
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PIC_PROLOGUE; \
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movl PIC_GOT(AVECNAME(x)),%eax; \
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PIC_EPILOGUE; \
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jmpl *(%eax)
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#define ARCH_SELECT(x) _START_ENTRY; \
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.type ASELNAME(x),@function; \
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ASELNAME(x): \
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PIC_PROLOGUE; \
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call PIC_PLT(CNAME(__get_hw_float)); \
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testl %eax,%eax; \
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movl PIC_GOT(ANAME(x)),%eax; \
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jne 8f; \
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movl PIC_GOT(GNAME(x)),%eax; \
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8: \
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movl PIC_GOT(AVECNAME(x)),%edx; \
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movl %eax,(%edx); \
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PIC_EPILOGUE; \
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jmpl *%eax
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#else /* !PIC */
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#define ARCH_DISPATCH(x) \
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_START_ENTRY; \
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.globl CNAME(x); .type CNAME(x),@function; CNAME(x): ; \
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jmpl *AVECNAME(x)
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#define ARCH_SELECT(x) _START_ENTRY; \
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.type ASELNAME(x),@function; \
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ASELNAME(x): \
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call CNAME(__get_hw_float); \
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testl %eax,%eax; \
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movl $ANAME(x),%eax; \
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jne 8f; \
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movl $GNAME(x),%eax; \
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|
8: \
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movl %eax,AVECNAME(x); \
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jmpl *%eax
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#endif /* PIC */
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|
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|
#define ARCH_VECTOR(x) .data; .p2align 2; \
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|
.globl AVECNAME(x); \
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.type AVECNAME(x),@object; \
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.size AVECNAME(x),4; \
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AVECNAME(x): .long ASELNAME(x)
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|
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#undef _ENTRY
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|
#define _ENTRY(x) ARCH_VECTOR(x); ARCH_SELECT(x); ARCH_DISPATCH(x); \
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_START_ENTRY; \
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|
.globl ANAME(x); .type ANAME(x),@function; ANAME(x):
|
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|
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|
#endif /* _ARCH_INDIRECT */
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|
|
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|
#endif /* !_MACHINE_ASM_H_ */
|
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@@ -0,0 +1,97 @@
|
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|
/*
|
||||||
|
* Copyright (c) 1990 The Regents of the University of California.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to Berkeley by
|
||||||
|
* William Jolitz.
|
||||||
|
*
|
||||||
|
* 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 University of
|
||||||
|
* California, Berkeley and its contributors.
|
||||||
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 "asm.h"
|
||||||
|
|
||||||
|
/*
|
||||||
|
* C library -- _setjmp, _longjmp
|
||||||
|
*
|
||||||
|
* longjmp(a,v)
|
||||||
|
* will generate a "return(v)" from the last call to
|
||||||
|
* setjmp(a)
|
||||||
|
* by restoring registers from the environment 'a'.
|
||||||
|
* The previous signal state is restored.
|
||||||
|
*/
|
||||||
|
|
||||||
|
ENTRY(setjmp)
|
||||||
|
movl 4(%esp),%ecx
|
||||||
|
PIC_PROLOGUE
|
||||||
|
leal 28(%ecx), %eax
|
||||||
|
pushl %eax /* (sigset_t*)oset */
|
||||||
|
pushl $0 /* (sigset_t*)set */
|
||||||
|
pushl $1 /* SIG_BLOCK */
|
||||||
|
call PIC_PLT(CNAME(sigprocmask))
|
||||||
|
addl $12,%esp
|
||||||
|
PIC_EPILOGUE
|
||||||
|
movl 4(%esp),%ecx
|
||||||
|
movl 0(%esp),%edx
|
||||||
|
movl %edx, 0(%ecx)
|
||||||
|
movl %ebx, 4(%ecx)
|
||||||
|
movl %esp, 8(%ecx)
|
||||||
|
movl %ebp,12(%ecx)
|
||||||
|
movl %esi,16(%ecx)
|
||||||
|
movl %edi,20(%ecx)
|
||||||
|
fnstcw 24(%ecx)
|
||||||
|
xorl %eax,%eax
|
||||||
|
ret
|
||||||
|
|
||||||
|
.weak CNAME(longjmp)
|
||||||
|
.set CNAME(longjmp),CNAME(__longjmp)
|
||||||
|
ENTRY(__longjmp)
|
||||||
|
movl 4(%esp),%edx
|
||||||
|
PIC_PROLOGUE
|
||||||
|
pushl $0 /* (sigset_t*)oset */
|
||||||
|
leal 28(%edx), %eax
|
||||||
|
pushl %eax /* (sigset_t*)set */
|
||||||
|
pushl $3 /* SIG_SETMASK */
|
||||||
|
call PIC_PLT(CNAME(sigprocmask))
|
||||||
|
addl $12,%esp
|
||||||
|
PIC_EPILOGUE
|
||||||
|
movl 4(%esp),%edx
|
||||||
|
movl 8(%esp),%eax
|
||||||
|
movl 0(%edx),%ecx
|
||||||
|
movl 4(%edx),%ebx
|
||||||
|
movl 8(%edx),%esp
|
||||||
|
movl 12(%edx),%ebp
|
||||||
|
movl 16(%edx),%esi
|
||||||
|
movl 20(%edx),%edi
|
||||||
|
fninit
|
||||||
|
fldcw 24(%edx)
|
||||||
|
testl %eax,%eax
|
||||||
|
jnz 1f
|
||||||
|
incl %eax
|
||||||
|
1: movl %ecx,0(%esp)
|
||||||
|
ret
|
||||||
@@ -0,0 +1,105 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 1990 The Regents of the University of California.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to Berkeley by
|
||||||
|
* William Jolitz.
|
||||||
|
*
|
||||||
|
* 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 University of
|
||||||
|
* California, Berkeley and its contributors.
|
||||||
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 "asm.h"
|
||||||
|
|
||||||
|
/* TODO:
|
||||||
|
* Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp,
|
||||||
|
* remove the other *jmp functions and define everything in terms
|
||||||
|
* of the renamed functions. This requires compiler support for
|
||||||
|
* the renamed functions (introduced in gcc-2.5.3; previous versions
|
||||||
|
* only supported *jmp with 0 or 1 leading underscores).
|
||||||
|
*
|
||||||
|
* Restore _all_ the registers and the signal mask atomically. Can
|
||||||
|
* use sigreturn() if sigreturn() works.
|
||||||
|
*/
|
||||||
|
|
||||||
|
ENTRY(__sigsetjmp)
|
||||||
|
//ENTRY(sigsetjmp)
|
||||||
|
movl 8(%esp),%eax
|
||||||
|
movl 4(%esp),%ecx
|
||||||
|
movl %eax,44(%ecx)
|
||||||
|
testl %eax,%eax
|
||||||
|
jz 2f
|
||||||
|
PIC_PROLOGUE
|
||||||
|
leal 28(%ecx), %eax
|
||||||
|
pushl %eax /* (sigset_t*)oset */
|
||||||
|
pushl $0 /* (sigset_t*)set */
|
||||||
|
pushl $1 /* SIG_BLOCK */
|
||||||
|
call PIC_PLT(CNAME(sigprocmask))
|
||||||
|
addl $12,%esp
|
||||||
|
PIC_EPILOGUE
|
||||||
|
movl 4(%esp),%ecx
|
||||||
|
2: movl 0(%esp),%edx
|
||||||
|
movl %edx, 0(%ecx)
|
||||||
|
movl %ebx, 4(%ecx)
|
||||||
|
movl %esp, 8(%ecx)
|
||||||
|
movl %ebp,12(%ecx)
|
||||||
|
movl %esi,16(%ecx)
|
||||||
|
movl %edi,20(%ecx)
|
||||||
|
fnstcw 24(%ecx)
|
||||||
|
xorl %eax,%eax
|
||||||
|
ret
|
||||||
|
|
||||||
|
.weak CNAME(siglongjmp);
|
||||||
|
.set CNAME(siglongjmp),CNAME(__siglongjmp);
|
||||||
|
ENTRY(__siglongjmp);
|
||||||
|
movl 4(%esp),%edx
|
||||||
|
cmpl $0,44(%edx)
|
||||||
|
jz 2f
|
||||||
|
PIC_PROLOGUE
|
||||||
|
pushl $0 /* (sigset_t*)oset */
|
||||||
|
leal 28(%edx), %eax
|
||||||
|
pushl %eax /* (sigset_t*)set */
|
||||||
|
pushl $3 /* SIG_SETMASK */
|
||||||
|
call PIC_PLT(CNAME(sigprocmask))
|
||||||
|
addl $12,%esp
|
||||||
|
PIC_EPILOGUE
|
||||||
|
movl 4(%esp),%edx
|
||||||
|
2: movl 8(%esp),%eax
|
||||||
|
movl 0(%edx),%ecx
|
||||||
|
movl 4(%edx),%ebx
|
||||||
|
movl 8(%edx),%esp
|
||||||
|
movl 12(%edx),%ebp
|
||||||
|
movl 16(%edx),%esi
|
||||||
|
movl 20(%edx),%edi
|
||||||
|
fninit
|
||||||
|
fldcw 24(%edx)
|
||||||
|
testl %eax,%eax
|
||||||
|
jnz 1f
|
||||||
|
incl %eax
|
||||||
|
1: movl %ecx,0(%esp)
|
||||||
|
ret
|
||||||
Reference in New Issue
Block a user