diff options
Diffstat (limited to 'REORG.TODO/sysdeps/aarch64/nptl')
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/Makefile | 21 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h | 69 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/bits/semaphore.h | 39 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/pthreaddef.h | 32 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/tcb-offsets.sym | 6 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/aarch64/nptl/tls.h | 136 |
6 files changed, 303 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/aarch64/nptl/Makefile b/REORG.TODO/sysdeps/aarch64/nptl/Makefile new file mode 100644 index 0000000000..3627748ad8 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/Makefile @@ -0,0 +1,21 @@ +# Copyright (C) 2005-2017 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. If not, see +# <http://www.gnu.org/licenses/>. + +ifeq ($(subdir),csu) +gen-as-const-headers += tcb-offsets.sym +endif diff --git a/REORG.TODO/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h b/REORG.TODO/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h new file mode 100644 index 0000000000..d13a75db07 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h @@ -0,0 +1,69 @@ +/* Copyright (C) 2002-2017 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; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _BITS_PTHREADTYPES_ARCH_H +#define _BITS_PTHREADTYPES_ARCH_H 1 + +#include <endian.h> + +#ifdef __ILP32__ +# define __SIZEOF_PTHREAD_ATTR_T 32 +# define __SIZEOF_PTHREAD_MUTEX_T 32 +# define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +# define __SIZEOF_PTHREAD_CONDATTR_T 4 +# define __SIZEOF_PTHREAD_RWLOCK_T 48 +# define __SIZEOF_PTHREAD_BARRIER_T 20 +# define __SIZEOF_PTHREAD_BARRIERATTR_T 4 +#else +# define __SIZEOF_PTHREAD_ATTR_T 64 +# define __SIZEOF_PTHREAD_MUTEX_T 48 +# define __SIZEOF_PTHREAD_MUTEXATTR_T 8 +# define __SIZEOF_PTHREAD_CONDATTR_T 8 +# define __SIZEOF_PTHREAD_RWLOCK_T 56 +# define __SIZEOF_PTHREAD_BARRIER_T 32 +# define __SIZEOF_PTHREAD_BARRIERATTR_T 8 +#endif +#define __SIZEOF_PTHREAD_COND_T 48 +#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 + +/* Definitions for internal mutex struct. */ +#define __PTHREAD_COMPAT_PADDING_MID +#define __PTHREAD_COMPAT_PADDING_END +#define __PTHREAD_MUTEX_LOCK_ELISION 0 + +#define __LOCK_ALIGNMENT +#define __ONCE_ALIGNMENT + +struct __pthread_rwlock_arch_t +{ + unsigned int __readers; + unsigned int __writers; + unsigned int __wrphase_futex; + unsigned int __writers_futex; + unsigned int __pad3; + unsigned int __pad4; + int __cur_writer; + int __shared; + unsigned long int __pad1; + unsigned long int __pad2; + unsigned int __flags; +}; + +#define __PTHREAD_RWLOCK_ELISION_EXTRA 0 + +#endif /* bits/pthreadtypes.h */ diff --git a/REORG.TODO/sysdeps/aarch64/nptl/bits/semaphore.h b/REORG.TODO/sysdeps/aarch64/nptl/bits/semaphore.h new file mode 100644 index 0000000000..0c6c05a6b5 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/bits/semaphore.h @@ -0,0 +1,39 @@ +/* Copyright (C) 2002-2017 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; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SEMAPHORE_H +# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." +#endif + + +#ifdef __ILP32__ +# define __SIZEOF_SEM_T 16 +#else +# define __SIZEOF_SEM_T 32 +#endif + + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long long int __align; +} sem_t; diff --git a/REORG.TODO/sysdeps/aarch64/nptl/pthreaddef.h b/REORG.TODO/sysdeps/aarch64/nptl/pthreaddef.h new file mode 100644 index 0000000000..d0411a57a1 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/pthreaddef.h @@ -0,0 +1,32 @@ +/* Copyright (C) 2002-2017 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; if not, see + <http://www.gnu.org/licenses/>. */ + +/* Default stack size. */ +#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) + +/* Required stack pointer alignment at beginning. */ +#define STACK_ALIGN 16 + +/* Minimal stack size after allocating thread descriptor and guard size. */ +#define MINIMAL_REST_STACK 2048 + +/* Alignment requirement for TCB. */ +#define TCB_ALIGNMENT 16 + +/* Location of current stack frame. */ +#define CURRENT_STACK_FRAME __builtin_frame_address (0) diff --git a/REORG.TODO/sysdeps/aarch64/nptl/tcb-offsets.sym b/REORG.TODO/sysdeps/aarch64/nptl/tcb-offsets.sym new file mode 100644 index 0000000000..238647dd47 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/tcb-offsets.sym @@ -0,0 +1,6 @@ +#include <sysdep.h> +#include <tls.h> + +PTHREAD_MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads) +PTHREAD_TID_OFFSET offsetof (struct pthread, tid) +PTHREAD_SIZEOF sizeof (struct pthread) diff --git a/REORG.TODO/sysdeps/aarch64/nptl/tls.h b/REORG.TODO/sysdeps/aarch64/nptl/tls.h new file mode 100644 index 0000000000..175df39853 --- /dev/null +++ b/REORG.TODO/sysdeps/aarch64/nptl/tls.h @@ -0,0 +1,136 @@ +/* Copyright (C) 2005-2017 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; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _TLS_H +#define _TLS_H 1 + +#include <dl-sysdep.h> + +#ifndef __ASSEMBLER__ +# include <stdbool.h> +# include <stddef.h> +# include <stdint.h> +# include <dl-dtv.h> + +#else /* __ASSEMBLER__ */ +# include <tcb-offsets.h> +#endif /* __ASSEMBLER__ */ + +#ifndef __ASSEMBLER__ + +/* Get system call information. */ +# include <sysdep.h> + +/* The TP points to the start of the thread blocks. */ +# define TLS_DTV_AT_TP 1 +# define TLS_TCB_AT_TP 0 + +/* Get the thread descriptor definition. */ +# include <nptl/descr.h> + +typedef struct +{ + dtv_t *dtv; + void *private; +} tcbhead_t; + +/* This is the size of the initial TCB. */ +# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) + +/* Alignment requirements for the initial TCB. */ +# define TLS_INIT_TCB_ALIGN __alignof__ (struct pthread) + +/* This is the size of the TCB. */ +# define TLS_TCB_SIZE sizeof (tcbhead_t) + +/* This is the size we need before TCB. */ +# define TLS_PRE_TCB_SIZE sizeof (struct pthread) + +/* Alignment requirements for the TCB. */ +# define TLS_TCB_ALIGN __alignof__ (struct pthread) + +/* Install the dtv pointer. The pointer passed is to the element with + index -1 which contain the length. */ +# define INSTALL_DTV(tcbp, dtvp) \ + (((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1) + +/* Install new dtv for current thread. */ +# define INSTALL_NEW_DTV(dtv) \ + (THREAD_DTV() = (dtv)) + +/* Return dtv of given thread descriptor. */ +# define GET_DTV(tcbp) \ + (((tcbhead_t *) (tcbp))->dtv) + +/* Code to initially initialize the thread pointer. This might need + special attention since 'errno' is not yet available and if the + operation can cause a failure 'errno' must not be touched. */ +# define TLS_INIT_TP(tcbp) \ + ({ __asm __volatile ("msr tpidr_el0, %0" : : "r" (tcbp)); NULL; }) + +/* Value passed to 'clone' for initialization of the thread register. */ +# define TLS_DEFINE_INIT_TP(tp, pd) void *tp = (pd) + 1 + +/* Return the address of the dtv for the current thread. */ +# define THREAD_DTV() \ + (((tcbhead_t *) __builtin_thread_pointer ())->dtv) + +/* Return the thread descriptor for the current thread. */ +# define THREAD_SELF \ + ((struct pthread *)__builtin_thread_pointer () - 1) + +/* Magic for libthread_db to know how to do THREAD_SELF. */ +# define DB_THREAD_SELF \ + CONST_THREAD_AREA (64, sizeof (struct pthread)) + +/* Access to data in the thread descriptor is easy. */ +# define THREAD_GETMEM(descr, member) \ + descr->member +# define THREAD_GETMEM_NC(descr, member, idx) \ + descr->member[idx] +# define THREAD_SETMEM(descr, member, value) \ + descr->member = (value) +# define THREAD_SETMEM_NC(descr, member, idx, value) \ + descr->member[idx] = (value) + +/* Get and set the global scope generation counter in struct pthread. */ +# define THREAD_GSCOPE_FLAG_UNUSED 0 +# define THREAD_GSCOPE_FLAG_USED 1 +# define THREAD_GSCOPE_FLAG_WAIT 2 +# define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \ + } \ + while (0) +# define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +# define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + +# endif /* __ASSEMBLER__ */ + +#endif /* tls.h */ |