diff options
Diffstat (limited to 'lib/libthr/arch')
21 files changed, 1027 insertions, 0 deletions
diff --git a/lib/libthr/arch/alpha/Makefile.inc b/lib/libthr/arch/alpha/Makefile.inc new file mode 100644 index 0000000..508d2b4 --- /dev/null +++ b/lib/libthr/arch/alpha/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/alpha/alpha/pthread_md.c b/lib/libthr/arch/alpha/alpha/pthread_md.c new file mode 100644 index 0000000..1a82341 --- /dev/null +++ b/lib/libthr/arch/alpha/alpha/pthread_md.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 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 <stdlib.h> +#include <string.h> + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + if ((tcb = malloc(sizeof(struct tcb))) != NULL) { + memset(tcb, 0, sizeof(struct tcb)); + tcb->tcb_thread = thread; + } + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + free(tcb); +} diff --git a/lib/libthr/arch/alpha/include/pthread_md.h b/lib/libthr/arch/alpha/include/pthread_md.h new file mode 100644 index 0000000..003cba0 --- /dev/null +++ b/lib/libthr/arch/alpha/include/pthread_md.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2003 Marcel Moolenaar + * 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. + * + * $FreeBSD$ + */ + +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant I tcb. The structure layout is fixed, don't blindly + * change it! + */ +struct tcb { + void *tcb_dtv; + struct pthread *tcb_thread; +}; + +#define _tp __builtin_thread_pointer() +#define _tcb ((struct tcb *)_tp) + +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + __builtin_set_thread_pointer(tcb); +} + +static __inline struct tcb * +_tcb_get(void) +{ + return (_tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/amd64/Makefile.inc b/lib/libthr/arch/amd64/Makefile.inc new file mode 100644 index 0000000..6e6d577 --- /dev/null +++ b/lib/libthr/arch/amd64/Makefile.inc @@ -0,0 +1,5 @@ +#$FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/amd64/amd64/pthread_md.c b/lib/libthr/arch/amd64/amd64/pthread_md.c new file mode 100644 index 0000000..b661657 --- /dev/null +++ b/lib/libthr/arch/amd64/amd64/pthread_md.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 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/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + if (initial) + __asm __volatile("movq %%fs:0, %0" : "=r" (tcb)); + else + tcb = _rtld_allocate_tls(NULL, sizeof(struct tcb), 16); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(struct tcb), 16); +} diff --git a/lib/libthr/arch/amd64/include/pthread_md.h b/lib/libthr/arch/amd64/include/pthread_md.h new file mode 100644 index 0000000..30f63ca --- /dev/null +++ b/lib/libthr/arch/amd64/include/pthread_md.h @@ -0,0 +1,99 @@ +/*- + * Copyright (C) 2003 David Xu <davidxu@freebsd.org> + * Copyright (c) 2001 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> +#include <machine/sysarch.h> +#include <ucontext.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant II tcb, first two members are required by rtld, + * %fs points to the structure. + */ +struct tcb { + struct tcb *tcb_self; /* required by rtld */ + void *tcb_dtv; /* required by rtld */ + struct pthread *tcb_thread; + void *tcb_spare[1]; +}; + +/* + * Evaluates to the byte offset of the per-tcb variable name. + */ +#define __tcb_offset(name) __offsetof(struct tcb, name) + +/* + * Evaluates to the type of the per-tcb variable name. + */ +#define __tcb_type(name) __typeof(((struct tcb *)0)->name) + +/* + * Evaluates to the value of the per-tcb variable name. + */ +#define TCB_GET64(name) ({ \ + __tcb_type(name) __result; \ + \ + u_long __i; \ + __asm __volatile("movq %%fs:%1, %0" \ + : "=r" (__i) \ + : "m" (*(u_long *)(__tcb_offset(name)))); \ + __result = (__tcb_type(name))__i; \ + \ + __result; \ +}) + +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *tcb); + +static __inline void +_tcb_set(struct tcb *tcb) +{ + amd64_set_fsbase(tcb); +} + +static __inline struct tcb * +_tcb_get(void) +{ + return (TCB_GET64(tcb_self)); +} + +static __inline struct pthread * +_get_curthread(void) +{ + return (TCB_GET64(tcb_thread)); +} +#endif diff --git a/lib/libthr/arch/arm/Makefile.inc b/lib/libthr/arch/arm/Makefile.inc new file mode 100644 index 0000000..508d2b4 --- /dev/null +++ b/lib/libthr/arch/arm/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/arm/arm/pthread_md.c b/lib/libthr/arch/arm/arm/pthread_md.c new file mode 100644 index 0000000..7ca2b25 --- /dev/null +++ b/lib/libthr/arch/arm/arm/pthread_md.c @@ -0,0 +1,50 @@ +/*- + * Copyright (C) 2005 David Xu <davidxu@freebsd.org> + * 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. Neither the name of the author 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <stdlib.h> +#include <sys/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + tcb = malloc(sizeof(struct tcb)); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + free(tcb); +} diff --git a/lib/libthr/arch/arm/include/pthread_md.h b/lib/libthr/arch/arm/include/pthread_md.h new file mode 100644 index 0000000..30f9f86 --- /dev/null +++ b/lib/libthr/arch/arm/include/pthread_md.h @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2005 David Xu <davidxu@freebsd.org>. + * 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <sys/types.h> +#include <machine/sysarch.h> +#include <stddef.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant II tcb, first two members are required by rtld. + */ +struct tcb { + struct tcb *tcb_self; /* required by rtld */ + void *tcb_dtv; /* required by rtld */ + struct pthread *tcb_thread; /* our hook */ + void *tcb_spare[1]; +}; + +/* + * The tcb constructors. + */ +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + *((struct tcb **)ARM_TP_ADDRESS) = tcb; +} + +/* + * Get the current tcb. + */ +static __inline struct tcb * +_tcb_get(void) +{ + return (*((struct tcb **)ARM_TP_ADDRESS)); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb_get()->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/i386/Makefile.inc b/lib/libthr/arch/i386/Makefile.inc new file mode 100644 index 0000000..508d2b4 --- /dev/null +++ b/lib/libthr/arch/i386/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/i386/i386/pthread_md.c b/lib/libthr/arch/i386/i386/pthread_md.c new file mode 100644 index 0000000..a8b31d5 --- /dev/null +++ b/lib/libthr/arch/i386/i386/pthread_md.c @@ -0,0 +1,57 @@ +/*- + * Copyright (C) 2003 David Xu <davidxu@freebsd.org> + * Copyright (c) 2001,2003 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <machine/segments.h> +#include <machine/sysarch.h> +#include <string.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + if (initial) + __asm __volatile("movl %%gs:0, %0" : "=r" (tcb)); + else + tcb = _rtld_allocate_tls(NULL, sizeof(struct tcb), 16); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + + _rtld_free_tls(tcb, sizeof(struct tcb), 16); +} diff --git a/lib/libthr/arch/i386/include/pthread_md.h b/lib/libthr/arch/i386/include/pthread_md.h new file mode 100644 index 0000000..4140b9c --- /dev/null +++ b/lib/libthr/arch/i386/include/pthread_md.h @@ -0,0 +1,103 @@ +/*- + * Copyright (c) 2002 Daniel Eischen <deischen@freebsd.org>. + * Copyright (c) 2005 David Xu <davidxu@freebsd.org>. + * 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 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> +#include <machine/sysarch.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant II tcb, first two members are required by rtld, + * %gs points to the structure. + */ +struct tcb { + struct tcb *tcb_self; /* required by rtld */ + void *tcb_dtv; /* required by rtld */ + struct pthread *tcb_thread; +}; + +/* + * Evaluates to the byte offset of the per-tcb variable name. + */ +#define __tcb_offset(name) __offsetof(struct tcb, name) + +/* + * Evaluates to the type of the per-tcb variable name. + */ +#define __tcb_type(name) __typeof(((struct tcb *)0)->name) + +/* + * Evaluates to the value of the per-tcb variable name. + */ +#define TCB_GET32(name) ({ \ + __tcb_type(name) __result; \ + \ + u_int __i; \ + __asm __volatile("movl %%gs:%1, %0" \ + : "=r" (__i) \ + : "m" (*(u_int *)(__tcb_offset(name)))); \ + __result = (__tcb_type(name))__i; \ + \ + __result; \ +}) + +/* + * The constructors. + */ +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *tcb); + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + i386_set_gsbase(tcb); +} + +/* Get the current kcb. */ +static __inline struct tcb * +_tcb_get(void) +{ + return (TCB_GET32(tcb_self)); +} + +/* Get the current thread. */ +static __inline struct pthread * +_get_curthread(void) +{ + return (TCB_GET32(tcb_thread)); +} +#endif diff --git a/lib/libthr/arch/ia64/Makefile.inc b/lib/libthr/arch/ia64/Makefile.inc new file mode 100644 index 0000000..c07c097 --- /dev/null +++ b/lib/libthr/arch/ia64/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/ia64/ia64/pthread_md.c b/lib/libthr/arch/ia64/ia64/pthread_md.c new file mode 100644 index 0000000..a6f7def --- /dev/null +++ b/lib/libthr/arch/ia64/ia64/pthread_md.c @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> + * Copyright (c) 2005 David Xu <davidxu@freebsd.org> + * 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. Neither the name of the author 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 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/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + void *oldtls; + + if (initial) + oldtls = _tp; + else + oldtls = NULL; + tcb = _rtld_allocate_tls(oldtls, sizeof(struct tcb), 16); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(tcb), 16); +} diff --git a/lib/libthr/arch/ia64/include/pthread_md.h b/lib/libthr/arch/ia64/include/pthread_md.h new file mode 100644 index 0000000..aee5dd2 --- /dev/null +++ b/lib/libthr/arch/ia64/include/pthread_md.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2003 Marcel Moolenaar + * 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. + * + * $FreeBSD$ + */ + +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant I tcb. The structure layout is fixed, don't blindly + * change it! + */ +struct tcb { + void *tcb_dtv; + struct pthread *tcb_thread; +}; + +register struct tcb *_tp __asm("%r13"); + +#define _tcb _tp + +/* + * The tcb constructors. + */ +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + _tp = tcb; +} + +static __inline struct tcb * +_tcb_get(void) +{ + return (_tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/powerpc/Makefile.inc b/lib/libthr/arch/powerpc/Makefile.inc new file mode 100644 index 0000000..508d2b4 --- /dev/null +++ b/lib/libthr/arch/powerpc/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/powerpc/include/pthread_md.h b/lib/libthr/arch/powerpc/include/pthread_md.h new file mode 100644 index 0000000..008c4cd --- /dev/null +++ b/lib/libthr/arch/powerpc/include/pthread_md.h @@ -0,0 +1,80 @@ +/* + * Copyright 2004 by Peter Grehan. 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. 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant I tcb. The structure layout is fixed, don't blindly + * change it. + * %r2 points to end of the structure. + */ +struct tcb { + void *tcb_dtv; + struct pthread *tcb_thread; +}; + +register uint8_t *_tp __asm("%r2"); + +#define _tcb ((struct tcb *)(_tp - sizeof(struct tcb))) + +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +static __inline void +_tcb_set(struct tcb *tcb) +{ + _tp = (uint8_t *)tcb + sizeof(struct tcb); +} + +static __inline struct tcb * +_tcb_get(void) +{ + return (_tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/powerpc/powerpc/pthread_md.c b/lib/libthr/arch/powerpc/powerpc/pthread_md.c new file mode 100644 index 0000000..aa02a8d --- /dev/null +++ b/lib/libthr/arch/powerpc/powerpc/pthread_md.c @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 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/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + void *oldtls; + + if (initial) + oldtls = _tp; + else + oldtls = NULL; + tcb = _rtld_allocate_tls(oldtls, sizeof(struct tcb), 16); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); + +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(tcb), 16); +} diff --git a/lib/libthr/arch/sparc64/Makefile.inc b/lib/libthr/arch/sparc64/Makefile.inc new file mode 100644 index 0000000..508d2b4 --- /dev/null +++ b/lib/libthr/arch/sparc64/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/sparc64/include/pthread_md.h b/lib/libthr/arch/sparc64/include/pthread_md.h new file mode 100644 index 0000000..054c2be --- /dev/null +++ b/lib/libthr/arch/sparc64/include/pthread_md.h @@ -0,0 +1,87 @@ +/*- + * Copyright (c) 2003 Jake Burkholder <jake@freebsd.org>. + * Copyright (c) 2003 Marcel Moolenaar + * 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) + +/* + * Variant II tcb, first two members are required by rtld. + * %g7 points to the structure. + */ +struct tcb { + struct tcb *tcb_self; /* required by rtld */ + void *tcb_dtv; /* required by rtld */ + struct pthread *tcb_thread; /* our hook */ + void *tcb_spare[1]; +}; + +register struct tcb *_tp __asm("%g7"); + +#define _tcb (_tp) + +/* + * The tcb constructors. + */ +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + _tp = tcb; +} + +/* + * Get the current tcb. + */ +static __inline struct tcb * +_tcb_get(void) +{ + return (_tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/sparc64/sparc64/pthread_md.c b/lib/libthr/arch/sparc64/sparc64/pthread_md.c new file mode 100644 index 0000000..3f8e105 --- /dev/null +++ b/lib/libthr/arch/sparc64/sparc64/pthread_md.c @@ -0,0 +1,56 @@ +/*- + * Copyright (C) 2003 Jake Burkholder <jake@freebsd.org> + * Copyright (C) 2003 David Xu <davidxu@freebsd.org> + * Copyright (c) 2001,2003 Daniel Eischen <deischen@freebsd.org> + * 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. Neither the name of the author 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + void *oldtls; + + if (initial) + oldtls = _tp; + else + oldtls = NULL; + tcb = _rtld_allocate_tls(oldtls, sizeof(struct tcb), 16); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(struct tcb), 16); +} |
