diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sparc/nptl')
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/Makefile | 8 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/bits/pthreadtypes-arch.h | 79 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/bits/semaphore.h | 40 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/sparc-nptl.h | 33 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/tcb-offsets.sym | 6 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/nptl/tls.h | 168 |
6 files changed, 334 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/nptl/Makefile b/REORG.TODO/sysdeps/sparc/nptl/Makefile new file mode 100644 index 0000000000..5372867dbd --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/Makefile @@ -0,0 +1,8 @@ +ifeq ($(subdir),csu) +gen-as-const-headers += tcb-offsets.sym +endif + +ifeq ($(subdir),nptl) +CPPFLAGS-pt-crti.S += -fPIC +CPPFLAGS-crtn.S += -fPIC +endif diff --git a/REORG.TODO/sysdeps/sparc/nptl/bits/pthreadtypes-arch.h b/REORG.TODO/sysdeps/sparc/nptl/bits/pthreadtypes-arch.h new file mode 100644 index 0000000000..1e188cf91f --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/bits/pthreadtypes-arch.h @@ -0,0 +1,79 @@ +/* Machine-specific pthread type layouts. SPARC version. + Copyright (C) 2003-2017 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 <bits/wordsize.h> + +#if __WORDSIZE == 64 +# define __SIZEOF_PTHREAD_ATTR_T 56 +# define __SIZEOF_PTHREAD_MUTEX_T 40 +# define __SIZEOF_PTHREAD_CONDATTR_T 4 +# define __SIZEOF_PTHREAD_RWLOCK_T 56 +# define __SIZEOF_PTHREAD_BARRIER_T 32 +#else +# define __SIZEOF_PTHREAD_ATTR_T 36 +# define __SIZEOF_PTHREAD_MUTEX_T 24 +# define __SIZEOF_PTHREAD_CONDATTR_T 4 +# define __SIZEOF_PTHREAD_RWLOCK_T 32 +# define __SIZEOF_PTHREAD_BARRIER_T 20 +#endif +#define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +#define __SIZEOF_PTHREAD_COND_T 48 +#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 +#define __SIZEOF_PTHREAD_BARRIERATTR_T 4 + +/* 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; +#if __WORDSIZE == 64 + int __cur_writer; + int __shared; + unsigned long int __pad1; + unsigned long int __pad2; + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned int __flags; +#else + unsigned char __pad1; + unsigned char __pad2; + unsigned char __shared; + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned char __flags; + int __cur_writer; +#endif +}; + +#define __PTHREAD_RWLOCK_ELISION_EXTRA 0 + +#endif /* bits/pthreadtypes.h */ diff --git a/REORG.TODO/sysdeps/sparc/nptl/bits/semaphore.h b/REORG.TODO/sysdeps/sparc/nptl/bits/semaphore.h new file mode 100644 index 0000000000..6f2e0155a2 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/bits/semaphore.h @@ -0,0 +1,40 @@ +/* Machine-specific POSIX semaphore type layouts. SPARC version. + Copyright (C) 2003-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 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 _SEMAPHORE_H +# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead." +#endif + +#include <bits/wordsize.h> + +#if __WORDSIZE == 64 +# define __SIZEOF_SEM_T 32 +#else +# define __SIZEOF_SEM_T 16 +#endif + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long int __align; +} sem_t; diff --git a/REORG.TODO/sysdeps/sparc/nptl/sparc-nptl.h b/REORG.TODO/sysdeps/sparc/nptl/sparc-nptl.h new file mode 100644 index 0000000000..baff918288 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/sparc-nptl.h @@ -0,0 +1,33 @@ +#ifndef _SPARC_NPTL_H + +union sparc_pthread_barrier +{ + struct pthread_barrier b; + struct sparc_pthread_barrier_s + { + unsigned int curr_event; + int lock; + unsigned int left; + unsigned int init_count; + unsigned char left_lock; + unsigned char pshared; + } s; +}; + +struct sparc_new_sem +{ + unsigned int value; + unsigned char lock; + unsigned char private; + unsigned char pad[2]; + unsigned long int nwaiters; +}; + +struct sparc_old_sem +{ + unsigned int value; + unsigned char lock; + unsigned char private; +}; + +#endif diff --git a/REORG.TODO/sysdeps/sparc/nptl/tcb-offsets.sym b/REORG.TODO/sysdeps/sparc/nptl/tcb-offsets.sym new file mode 100644 index 0000000000..f75d02065e --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/tcb-offsets.sym @@ -0,0 +1,6 @@ +#include <sysdep.h> +#include <tls.h> + +MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads) +POINTER_GUARD offsetof (tcbhead_t, pointer_guard) +TID offsetof (struct pthread, tid) diff --git a/REORG.TODO/sysdeps/sparc/nptl/tls.h b/REORG.TODO/sysdeps/sparc/nptl/tls.h new file mode 100644 index 0000000000..f363b1958f --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/nptl/tls.h @@ -0,0 +1,168 @@ +/* Definitions for thread-local data handling. NPTL/sparc version. + Copyright (C) 2003-2017 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 + +#include <dl-sysdep.h> +#ifndef __ASSEMBLER__ +# include <stdbool.h> +# include <stddef.h> +# include <stdint.h> +# include <stdlib.h> +# include <list.h> +# include <kernel-features.h> +# include <dl-dtv.h> + +typedef struct +{ + void *tcb; /* Pointer to the TCB. Not necessary the + thread descriptor used by libpthread. */ + dtv_t *dtv; + void *self; + int multiple_threads; +#if __WORDSIZE == 64 + int gscope_flag; +#endif + uintptr_t sysinfo; + uintptr_t stack_guard; + uintptr_t pointer_guard; +#if __WORDSIZE != 64 + int gscope_flag; +#endif +#ifndef __ASSUME_PRIVATE_FUTEX + int private_futex; +#endif +} tcbhead_t; + +#else /* __ASSEMBLER__ */ +# include <tcb-offsets.h> +#endif /* __ASSEMBLER__ */ + + +#ifndef __ASSEMBLER__ +/* Get system call information. */ +# include <sysdep.h> + +register struct pthread *__thread_self __asm__("%g7"); + +/* This is the size of the initial TCB. Can't be just sizeof (tcbhead_t), + because NPTL getpid, __libc_alloca_cutoff etc. need (almost) the whole + struct pthread even when not linked with -lpthread. */ +# define TLS_INIT_TCB_SIZE sizeof (struct pthread) + +/* 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 (struct pthread) + +/* Alignment requirements for the TCB. */ +# define TLS_TCB_ALIGN __alignof__ (struct pthread) + +/* The TCB can have any size and the memory following the address the + thread pointer points to is unspecified. Allocate the TCB there. */ +# define TLS_TCB_AT_TP 1 +# define TLS_DTV_AT_TP 0 + +/* Get the thread descriptor definition. */ +# include <nptl/descr.h> + +/* Install the dtv pointer. The pointer passed is to the element with + index -1 which contain the length. */ +# define INSTALL_DTV(descr, dtvp) \ + ((tcbhead_t *) (descr))->dtv = (dtvp) + 1 + +/* Install new dtv for current thread. */ +# define INSTALL_NEW_DTV(DTV) \ + (((tcbhead_t *) __thread_self)->dtv = (DTV)) + +/* Return dtv of given thread descriptor. */ +# define GET_DTV(descr) \ + (((tcbhead_t *) (descr))->dtv) + +/* Code to initially initialize the thread pointer. */ +# define TLS_INIT_TP(descr) \ + (__thread_self = (__typeof (__thread_self)) (descr), NULL) + +/* Value passed to 'clone' for initialization of the thread register. */ +# define TLS_DEFINE_INIT_TP(tp, pd) void *tp = (pd) + +/* Return the address of the dtv for the current thread. */ +# define THREAD_DTV() \ + (((tcbhead_t *) __thread_self)->dtv) + +/* Return the thread descriptor for the current thread. */ +#define THREAD_SELF __thread_self + +/* Magic for libthread_db to know how to do THREAD_SELF. */ +# define DB_THREAD_SELF \ + REGISTER (32, 32, 10 * 4, 0) \ + REGISTER (64, __WORDSIZE, (6 * 8) + (__WORDSIZE==64?0:4), 0) + +/* 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) + +/* Set the stack guard field in TCB head. */ +#define THREAD_SET_STACK_GUARD(value) \ + THREAD_SETMEM (THREAD_SELF, header.stack_guard, value) +# define THREAD_COPY_STACK_GUARD(descr) \ + ((descr)->header.stack_guard \ + = THREAD_GETMEM (THREAD_SELF, header.stack_guard)) + +/* Get/set the stack guard field in TCB head. */ +#define THREAD_GET_POINTER_GUARD() \ + THREAD_GETMEM (THREAD_SELF, header.pointer_guard) +#define THREAD_SET_POINTER_GUARD(value) \ + THREAD_SETMEM (THREAD_SELF, header.pointer_guard, value) +# define THREAD_COPY_POINTER_GUARD(descr) \ + ((descr)->header.pointer_guard = THREAD_GET_POINTER_GUARD ()) + +/* 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 */ |