diff options
Diffstat (limited to 'lib/libthr/arch')
20 files changed, 96 insertions, 383 deletions
diff --git a/lib/libthr/arch/aarch64/Makefile.inc b/lib/libthr/arch/aarch64/Makefile.inc new file mode 100644 index 0000000..b720e3d --- /dev/null +++ b/lib/libthr/arch/aarch64/Makefile.inc @@ -0,0 +1,2 @@ +# $FreeBSD$ + diff --git a/lib/libthr/arch/aarch64/include/pthread_md.h b/lib/libthr/arch/aarch64/include/pthread_md.h new file mode 100644 index 0000000..14c1893 --- /dev/null +++ b/lib/libthr/arch/aarch64/include/pthread_md.h @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2005 David Xu <davidxu@freebsd.org>. + * Copyright (c) 2014 the FreeBSD Foundation + * All rights reserved. + * + * Portions of this software were developed by Andrew Turner + * under sponsorship from the FreeBSD Foundation + * + * 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 CPU_SPINWAIT +#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; +}; + +/* Called from the thread to set its private data. */ +static __inline void +_tcb_set(struct tcb *tcb) +{ + + __asm __volatile("msr tpidr_el0, %x0" :: "r" (tcb)); +} + +/* + * Get the current tcb. + */ +static __inline struct tcb * +_tcb_get(void) +{ + struct tcb *tcb; + + __asm __volatile("mrs %x0, tpidr_el0" : "=r" (tcb)); + return (tcb); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + + return (_tcb_get()->tcb_thread); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/amd64/Makefile.inc b/lib/libthr/arch/amd64/Makefile.inc index e6d99ec..797618d 100644 --- a/lib/libthr/arch/amd64/Makefile.inc +++ b/lib/libthr/arch/amd64/Makefile.inc @@ -1,3 +1,3 @@ #$FreeBSD$ -SRCS+= pthread_md.c _umtx_op_err.S +SRCS+= _umtx_op_err.S diff --git a/lib/libthr/arch/amd64/amd64/pthread_md.c b/lib/libthr/arch/amd64/amd64/pthread_md.c deleted file mode 100644 index b661657..0000000 --- a/lib/libthr/arch/amd64/amd64/pthread_md.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * 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 index 0ebea2e..e4a0dd2 100644 --- a/lib/libthr/arch/amd64/include/pthread_md.h +++ b/lib/libthr/arch/amd64/include/pthread_md.h @@ -77,9 +77,6 @@ struct tcb { __result; \ }) -struct tcb *_tcb_ctor(struct pthread *, int); -void _tcb_dtor(struct tcb *tcb); - static __inline void _tcb_set(struct tcb *tcb) { diff --git a/lib/libthr/arch/arm/Makefile.inc b/lib/libthr/arch/arm/Makefile.inc deleted file mode 100644 index 2ee2247..0000000 --- a/lib/libthr/arch/arm/Makefile.inc +++ /dev/null @@ -1,3 +0,0 @@ -# $FreeBSD$ - -SRCS+= pthread_md.c diff --git a/lib/libthr/arch/arm/arm/pthread_md.c b/lib/libthr/arch/arm/arm/pthread_md.c deleted file mode 100644 index 028f06c..0000000 --- a/lib/libthr/arch/arm/arm/pthread_md.c +++ /dev/null @@ -1,53 +0,0 @@ -/*- - * 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 = _rtld_allocate_tls((initial) ? _tcb_get() : 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/arm/include/pthread_md.h b/lib/libthr/arch/arm/include/pthread_md.h index 3c3dd6d..9a6b523 100644 --- a/lib/libthr/arch/arm/include/pthread_md.h +++ b/lib/libthr/arch/arm/include/pthread_md.h @@ -47,12 +47,6 @@ struct tcb { struct pthread *tcb_thread; /* our hook */ }; -/* - * 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) diff --git a/lib/libthr/arch/i386/Makefile.inc b/lib/libthr/arch/i386/Makefile.inc index 01290d5..bdab0bc 100644 --- a/lib/libthr/arch/i386/Makefile.inc +++ b/lib/libthr/arch/i386/Makefile.inc @@ -1,3 +1,3 @@ # $FreeBSD$ -SRCS+= pthread_md.c _umtx_op_err.S +SRCS+= _umtx_op_err.S diff --git a/lib/libthr/arch/i386/i386/pthread_md.c b/lib/libthr/arch/i386/i386/pthread_md.c deleted file mode 100644 index a8b31d5..0000000 --- a/lib/libthr/arch/i386/i386/pthread_md.c +++ /dev/null @@ -1,57 +0,0 @@ -/*- - * 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 index c160aa4..ba7b75c 100644 --- a/lib/libthr/arch/i386/include/pthread_md.h +++ b/lib/libthr/arch/i386/include/pthread_md.h @@ -76,12 +76,6 @@ struct tcb { __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) diff --git a/lib/libthr/arch/mips/Makefile.inc b/lib/libthr/arch/mips/Makefile.inc deleted file mode 100644 index 2ee2247..0000000 --- a/lib/libthr/arch/mips/Makefile.inc +++ /dev/null @@ -1,3 +0,0 @@ -# $FreeBSD$ - -SRCS+= pthread_md.c diff --git a/lib/libthr/arch/mips/include/pthread_md.h b/lib/libthr/arch/mips/include/pthread_md.h index 19c9f38..32af964 100644 --- a/lib/libthr/arch/mips/include/pthread_md.h +++ b/lib/libthr/arch/mips/include/pthread_md.h @@ -50,12 +50,6 @@ struct tcb { struct pthread *tcb_thread; }; -/* - * 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) diff --git a/lib/libthr/arch/mips/mips/pthread_md.c b/lib/libthr/arch/mips/mips/pthread_md.c deleted file mode 100644 index e596edc..0000000 --- a/lib/libthr/arch/mips/mips/pthread_md.c +++ /dev/null @@ -1,59 +0,0 @@ -/*- - * 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. - * - * from: src/lib/libthr/arch/arm/arm/pthread_md.c,v 1.2 2005/10/29 13:40:31 davidxu - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <stdlib.h> -#include <sys/types.h> -#include <rtld_tls.h> -#include <strings.h> - -#include <machine/sysarch.h> - -#include "pthread_md.h" - -struct tcb * -_tcb_ctor(struct pthread *thread, int initial) -{ - struct tcb *tcb; - - tcb = _rtld_allocate_tls((initial) ? _tcb_get() : 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/powerpc/Makefile.inc b/lib/libthr/arch/powerpc/Makefile.inc deleted file mode 100644 index 2ee2247..0000000 --- a/lib/libthr/arch/powerpc/Makefile.inc +++ /dev/null @@ -1,3 +0,0 @@ -# $FreeBSD$ - -SRCS+= pthread_md.c diff --git a/lib/libthr/arch/powerpc/include/pthread_md.h b/lib/libthr/arch/powerpc/include/pthread_md.h index 91102b4..544ee1c 100644 --- a/lib/libthr/arch/powerpc/include/pthread_md.h +++ b/lib/libthr/arch/powerpc/include/pthread_md.h @@ -55,29 +55,26 @@ struct tcb { struct pthread *tcb_thread; }; -struct tcb *_tcb_ctor(struct pthread *, int); -void _tcb_dtor(struct tcb *); - static __inline void _tcb_set(struct tcb *tcb) { #ifdef __powerpc64__ - register uint8_t *_tp __asm__("%r13"); + __asm __volatile("mr 13,%0" :: + "r"((uint8_t *)tcb + TP_OFFSET)); #else - register uint8_t *_tp __asm__("%r2"); -#endif - - __asm __volatile("mr %0,%1" : "=r"(_tp) : + __asm __volatile("mr 2,%0" :: "r"((uint8_t *)tcb + TP_OFFSET)); +#endif } static __inline struct tcb * _tcb_get(void) { + register uint8_t *_tp; #ifdef __powerpc64__ - register uint8_t *_tp __asm__("%r13"); + __asm __volatile("mr %0,13" : "=r"(_tp)); #else - register uint8_t *_tp __asm__("%r2"); + __asm __volatile("mr %0,2" : "=r"(_tp)); #endif return ((struct tcb *)(_tp - TP_OFFSET)); diff --git a/lib/libthr/arch/powerpc/powerpc/pthread_md.c b/lib/libthr/arch/powerpc/powerpc/pthread_md.c deleted file mode 100644 index 66f043e..0000000 --- a/lib/libthr/arch/powerpc/powerpc/pthread_md.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * 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; - - tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL, - sizeof(struct tcb), 1); - if (tcb) - tcb->tcb_thread = thread; - return (tcb); - -} - -void -_tcb_dtor(struct tcb *tcb) -{ - _rtld_free_tls(tcb, sizeof(struct tcb), 1); -} diff --git a/lib/libthr/arch/sparc64/Makefile.inc b/lib/libthr/arch/sparc64/Makefile.inc index 88586b4..bdab0bc 100644 --- a/lib/libthr/arch/sparc64/Makefile.inc +++ b/lib/libthr/arch/sparc64/Makefile.inc @@ -1,3 +1,3 @@ # $FreeBSD$ -SRCS+= _umtx_op_err.S pthread_md.c +SRCS+= _umtx_op_err.S diff --git a/lib/libthr/arch/sparc64/include/pthread_md.h b/lib/libthr/arch/sparc64/include/pthread_md.h index 7ee9654..35d8405 100644 --- a/lib/libthr/arch/sparc64/include/pthread_md.h +++ b/lib/libthr/arch/sparc64/include/pthread_md.h @@ -50,12 +50,6 @@ struct tcb { 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) diff --git a/lib/libthr/arch/sparc64/sparc64/pthread_md.c b/lib/libthr/arch/sparc64/sparc64/pthread_md.c deleted file mode 100644 index e1d439a..0000000 --- a/lib/libthr/arch/sparc64/sparc64/pthread_md.c +++ /dev/null @@ -1,56 +0,0 @@ -/*- - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <rtld_tls.h> - -#include "pthread_md.h" - -struct tcb * -_tcb_ctor(struct pthread *thread, int initial) -{ - struct tcb *tcb; - - if (initial) - tcb = _tcb_get(); - 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); -} |
