diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa')
5 files changed, 427 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/aio_cancel.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/aio_cancel.c new file mode 100644 index 000000000..0d6da8291 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/aio_cancel.c @@ -0,0 +1,33 @@ +#include <shlib-compat.h> + +#define aio_cancel64 XXX +#include <aio.h> +#undef aio_cancel64 +#include <errno.h> + +extern __typeof (aio_cancel) __new_aio_cancel; +extern __typeof (aio_cancel) __old_aio_cancel; + +#define aio_cancel __new_aio_cancel + +#include <sysdeps/pthread/aio_cancel.c> + +#undef aio_cancel +strong_alias (__new_aio_cancel, __new_aio_cancel64); +versioned_symbol (librt, __new_aio_cancel, aio_cancel, GLIBC_2_3); +versioned_symbol (librt, __new_aio_cancel64, aio_cancel64, GLIBC_2_3); + +#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_3) + +#undef ECANCELED +#define aio_cancel __old_aio_cancel +#define ECANCELED 125 + +#include <sysdeps/pthread/aio_cancel.c> + +#undef aio_cancel +strong_alias (__old_aio_cancel, __old_aio_cancel64); +compat_symbol (librt, __old_aio_cancel, aio_cancel, GLIBC_2_1); +compat_symbol (librt, __old_aio_cancel64, aio_cancel64, GLIBC_2_1); + +#endif diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h new file mode 100644 index 000000000..e367fb9d8 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/bits/initspin.h @@ -0,0 +1,26 @@ +/* PA-RISC specific definitions for spinlock initializers. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + +/* Initial value of a spinlock. PA-RISC only implements atomic load + and clear so this must be non-zero. */ +#define __LT_SPINLOCK_INIT 1 + +/* Macros for lock initializers, using the above definition. */ +#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT } diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/malloc-machine.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/malloc-machine.h new file mode 100644 index 000000000..e6b71f441 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/malloc-machine.h @@ -0,0 +1,72 @@ +/* HP-PARISC macro definitions for mutexes, thread-specific data + and parameters for malloc. + Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Carlos O'Donell <carlos@baldric.uwo.ca>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MALLOC_MACHINE_H +#define _MALLOC_MACHINE_H + +#undef thread_atfork_static + +#include <atomic.h> +#include <bits/libc-lock.h> + +__libc_lock_define (typedef, mutex_t) + +/* Since our lock structure does not tolerate being initialized to zero, we must + modify the standard function calls made by malloc */ +# define mutex_init(m) \ + __libc_maybe_call (__pthread_mutex_init, (m, NULL), \ + (((m)->__m_lock.__spinlock = __LT_SPINLOCK_INIT),(*(int *)(m))) ) +# define mutex_lock(m) \ + __libc_maybe_call (__pthread_mutex_lock, (m), \ + (__load_and_clear(&((m)->__m_lock.__spinlock)), 0)) +# define mutex_trylock(m) \ + __libc_maybe_call (__pthread_mutex_trylock, (m), \ + (*(int *)(m) ? 1 : (__load_and_clear(&((m)->__m_lock.__spinlock)), 0))) +# define mutex_unlock(m) \ + __libc_maybe_call (__pthread_mutex_unlock, (m), \ + (((m)->__m_lock.__spinlock = __LT_SPINLOCK_INIT), (*(int *)(m))) ) + +/* This is defined by newer gcc version unique for each module. */ +extern void *__dso_handle __attribute__ ((__weak__)); + +#include <fork.h> + +#ifdef SHARED +# define thread_atfork(prepare, parent, child) \ + __register_atfork (prepare, parent, child, __dso_handle) +#else +# define thread_atfork(prepare, parent, child) \ + __register_atfork (prepare, parent, child, \ + &__dso_handle == NULL ? NULL : __dso_handle) +#endif + +/* thread specific data for glibc */ + +#include <bits/libc-tsd.h> + +typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */ +__libc_tsd_define (static, MALLOC) /* declaration/common definition */ +#define tsd_key_create(key, destr) ((void) (key)) +#define tsd_setspecific(key, data) __libc_tsd_set (MALLOC, (data)) +#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (MALLOC)) + +#include <sysdeps/generic/malloc-machine.h> + +#endif /* !defined(_MALLOC_MACHINE_H) */ diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c new file mode 100644 index 000000000..60607ad4f --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/pt-initfini.c @@ -0,0 +1,108 @@ +/* Special .init and .fini section support for HPPA. Linuxthreads version. + Copyright (C) 2001, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it + and/or modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + The GNU C Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + see <http://www.gnu.org/licenses/>. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +/* If we use the standard C version, the linkage table pointer won't + be properly preserved due to the splitting up of function prologues + and epilogues. Therefore we write these in assembly to make sure + they do the right thing. */ + +__asm__ ( +"#include \"defs.h\"\n" +"\n" +"/*@HEADER_ENDS*/\n" +"\n" +"/*@_init_PROLOG_BEGINS*/\n" +" .section .init\n" +" .align 4\n" +" .globl _init\n" +" .type _init,@function\n" +"_init:\n" +" stw %rp,-20(%sp)\n" +" stwm %r4,64(%sp)\n" +" stw %r19,-32(%sp)\n" +" bl __pthread_initialize_minimal,%rp\n" +" copy %r19,%r4 /* delay slot */\n" +" copy %r4,%r19\n" +"/*@_init_PROLOG_ENDS*/\n" +"\n" +"/*@_init_EPILOG_BEGINS*/\n" +"/* Here is the tail end of _init. */\n" +" .section .init\n" +" ldw -84(%sp),%rp\n" +" copy %r4,%r19\n" +" bv %r0(%rp)\n" +"_end_init:\n" +" ldwm -64(%sp),%r4\n" +"\n" +"/* Our very own unwind info, because the assembler can't handle\n" +" functions split into two or more pieces. */\n" +" .section .PARISC.unwind,\"a\",@progbits\n" +" .extern _init\n" +" .word _init, _end_init\n" +" .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08\n" +"\n" +"/*@_init_EPILOG_ENDS*/\n" +"\n" +"/*@_fini_PROLOG_BEGINS*/\n" +" .section .fini\n" +" .align 4\n" +" .globl _fini\n" +" .type _fini,@function\n" +"_fini:\n" +" stw %rp,-20(%sp)\n" +" stwm %r4,64(%sp)\n" +" stw %r19,-32(%sp)\n" +" copy %r19,%r4\n" +"/*@_fini_PROLOG_ENDS*/\n" +"\n" +"/*@_fini_EPILOG_BEGINS*/\n" +" .section .fini\n" +" ldw -84(%sp),%rp\n" +" copy %r4,%r19\n" +" bv %r0(%rp)\n" +"_end_fini:\n" +" ldwm -64(%sp),%r4\n" +"\n" +" .section .PARISC.unwind,\"a\",@progbits\n" +" .extern _fini\n" +" .word _fini, _end_fini\n" +" .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08\n" +"\n" +"/*@_fini_EPILOG_ENDS*/\n" +"\n" +"/*@TRAILER_BEGINS*/\n" +); diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h new file mode 100644 index 000000000..8a7bd9705 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/hppa/sysdep-cancel.h @@ -0,0 +1,188 @@ +/* cancellable system calls for Linux/HPPA. + Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Carlos O'Donell <carlos@baldric.uwo.ca>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# ifndef NO_ERROR +# define NO_ERROR -0x1000 +# endif + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + ENTRY (name) \ + SINGLE_THREAD_P ASM_LINE_SEP \ + cmpib,<> 0,%ret0,Lpseudo_cancel ASM_LINE_SEP \ + nop ASM_LINE_SEP \ + DO_CALL(syscall_name, args) ASM_LINE_SEP \ + /* DONE! */ ASM_LINE_SEP \ + bv 0(2) ASM_LINE_SEP \ + nop ASM_LINE_SEP \ + Lpseudo_cancel: ASM_LINE_SEP \ + /* store return ptr */ ASM_LINE_SEP \ + stw %rp, -20(%sr0,%sp) ASM_LINE_SEP \ + /* save syscall args */ ASM_LINE_SEP \ + PUSHARGS_##args /* MACRO */ ASM_LINE_SEP \ + STW_PIC ASM_LINE_SEP \ + CENABLE /* FUNC CALL */ ASM_LINE_SEP \ + ldo 64(%sp), %sp ASM_LINE_SEP \ + ldo -64(%sp), %sp ASM_LINE_SEP \ + LDW_PIC ASM_LINE_SEP \ + /* restore syscall args */ ASM_LINE_SEP \ + POPARGS_##args ASM_LINE_SEP \ + /* save r4 in arg0 stack slot */ ASM_LINE_SEP \ + stw %r4, -36(%sr0,%sp) ASM_LINE_SEP \ + /* save mask from cenable */ ASM_LINE_SEP \ + copy %ret0, %r4 ASM_LINE_SEP \ + ble 0x100(%sr2,%r0) ASM_LINE_SEP \ + ldi SYS_ify (syscall_name), %r20 ASM_LINE_SEP \ + LDW_PIC ASM_LINE_SEP \ + /* pass mask as arg0 to cdisable */ ASM_LINE_SEP \ + copy %r4, %r26 ASM_LINE_SEP \ + copy %ret0, %r4 ASM_LINE_SEP \ + CDISABLE ASM_LINE_SEP \ + ldo 64(%sp), %sp ASM_LINE_SEP \ + ldo -64(%sp), %sp ASM_LINE_SEP \ + LDW_PIC ASM_LINE_SEP \ + /* compare error */ ASM_LINE_SEP \ + ldi NO_ERROR,%r1 ASM_LINE_SEP \ + /* branch if no error */ ASM_LINE_SEP \ + cmpb,>>=,n %r1,%r4,Lpre_end ASM_LINE_SEP \ + nop ASM_LINE_SEP \ + SYSCALL_ERROR_HANDLER ASM_LINE_SEP \ + ldo 64(%sp), %sp ASM_LINE_SEP \ + ldo -64(%sp), %sp ASM_LINE_SEP \ + /* No need to LDW_PIC */ ASM_LINE_SEP \ + /* make syscall res value positive */ ASM_LINE_SEP \ + sub %r0, %r4, %r4 ASM_LINE_SEP \ + /* store into errno location */ ASM_LINE_SEP \ + stw %r4, 0(%sr0,%ret0) ASM_LINE_SEP \ + /* return -1 */ ASM_LINE_SEP \ + ldo -1(%r0), %ret0 ASM_LINE_SEP \ + Lpre_end: ASM_LINE_SEP \ + ldw -20(%sr0,%sp), %rp ASM_LINE_SEP \ + /* No need to LDW_PIC */ ASM_LINE_SEP \ + ldw -36(%sr0,%sp), %r4 ASM_LINE_SEP + +/* Save arguments into our frame */ +# define PUSHARGS_0 /* nothing to do */ +# define PUSHARGS_1 PUSHARGS_0 stw %r26, -36(%sr0,%sp) ASM_LINE_SEP +# define PUSHARGS_2 PUSHARGS_1 stw %r25, -40(%sr0,%sp) ASM_LINE_SEP +# define PUSHARGS_3 PUSHARGS_2 stw %r24, -44(%sr0,%sp) ASM_LINE_SEP +# define PUSHARGS_4 PUSHARGS_3 stw %r23, -48(%sr0,%sp) ASM_LINE_SEP +# define PUSHARGS_5 PUSHARGS_4 /* Args are on the stack... */ +# define PUSHARGS_6 PUSHARGS_5 + +/* Bring them back from the stack */ +# define POPARGS_0 /* nothing to do */ +# define POPARGS_1 POPARGS_0 ldw -36(%sr0,%sp), %r26 ASM_LINE_SEP +# define POPARGS_2 POPARGS_1 ldw -40(%sr0,%sp), %r25 ASM_LINE_SEP +# define POPARGS_3 POPARGS_2 ldw -44(%sr0,%sp), %r24 ASM_LINE_SEP +# define POPARGS_4 POPARGS_3 ldw -48(%sr0,%sp), %r23 ASM_LINE_SEP +# define POPARGS_5 POPARGS_4 ldw -52(%sr0,%sp), %r22 ASM_LINE_SEP +# define POPARGS_6 POPARGS_5 ldw -54(%sr0,%sp), %r21 ASM_LINE_SEP + +# ifdef IS_IN_libpthread +# ifdef __PIC__ +# define CENABLE .import __pthread_enable_asynccancel,code ASM_LINE_SEP \ + bl __pthread_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __pthread_disable_asynccancel,code ASM_LINE_SEP \ + bl __pthread_disable_asynccancel,%r2 ASM_LINE_SEP +# else +# define CENABLE .import __pthread_enable_asynccancel,code ASM_LINE_SEP \ + bl __pthread_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __pthread_disable_asynccancel,code ASM_LINE_SEP \ + bl __pthread_disable_asynccancel,%r2 ASM_LINE_SEP +# endif +# elif !defined NOT_IN_libc +# ifdef __PIC__ +# define CENABLE .import __libc_enable_asynccancel,code ASM_LINE_SEP \ + bl __libc_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __libc_disable_asynccancel,code ASM_LINE_SEP \ + bl __libc_disable_asynccancel,%r2 ASM_LINE_SEP +# else +# define CENABLE .import __libc_enable_asynccancel,code ASM_LINE_SEP \ + bl __libc_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __libc_disable_asynccancel,code ASM_LINE_SEP \ + bl __libc_disable_asynccancel,%r2 ASM_LINE_SEP +# endif +# else +# ifdef __PIC__ +# define CENABLE .import __librt_enable_asynccancel,code ASM_LINE_SEP \ + bl __librt_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __librt_disable_asynccancel,code ASM_LINE_SEP \ + bl __librt_disable_asynccancel,%r2 ASM_LINE_SEP +# else +# define CENABLE .import __librt_enable_asynccancel,code ASM_LINE_SEP \ + bl __librt_enable_asynccancel,%r2 ASM_LINE_SEP +# define CDISABLE .import __librt_disable_asynccancel,code ASM_LINE_SEP \ + bl __librt_disable_asynccancel,%r2 ASM_LINE_SEP +# endif +# endif + +/* p_header.multiple_threads is +12 from the pthread_descr struct start, + We could have called __get_cr27() but we really want less overhead */ +# define MULTIPLE_THREADS_OFFSET 0xC + +/* cr27 has been initialized to 0x0 by kernel */ +# define NO_THREAD_CR27 0x0 + +# ifdef IS_IN_libpthread +# define __local_multiple_threads __pthread_multiple_threads +# elif !defined NOT_IN_libc +# define __local_multiple_threads __libc_multiple_threads +# else +# define __local_multiple_threads __librt_multiple_threads +# endif + +# ifndef __ASSEMBLER__ + extern int __local_multiple_threads attribute_hidden; +# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1) +# else +/* This ALT version requires newer kernel support */ +# define SINGLE_THREAD_P_MFCTL \ + mfctl %cr27, %ret0 ASM_LINE_SEP \ + cmpib,= NO_THREAD_CR27,%ret0,Lstp ASM_LINE_SEP \ + nop ASM_LINE_SEP \ + ldw MULTIPLE_THREADS_OFFSET(%sr0,%ret0),%ret0 ASM_LINE_SEP \ + Lstp: ASM_LINE_SEP +# ifdef __PIC__ +/* Slower version uses GOT to get value of __local_multiple_threads */ +# define SINGLE_THREAD_P \ + addil LT%__local_multiple_threads, %r19 ASM_LINE_SEP \ + ldw RT%__local_multiple_threads(%sr0,%r1), %ret0 ASM_LINE_SEP \ + ldw 0(%sr0,%ret0), %ret0 ASM_LINE_SEP +# else + /* Slow non-pic version using DP */ +# define SINGLE_THREAD_P \ + addil LR%__local_multiple_threads-$global$,%r27 ASM_LINE_SEP \ + ldw RR%__local_multiple_threads-$global$(%sr0,%r1),%ret0 ASM_LINE_SEP +# endif +# endif +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif +/* !defined NOT_IN_libc || defined IS_IN_libpthread */ |