diff options
Diffstat (limited to 'nptl/sysdeps/sparc')
| -rw-r--r-- | nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h | 31 | ||||
| -rw-r--r-- | nptl/sysdeps/sparc/tcb-offsets.sym | 1 | ||||
| -rw-r--r-- | nptl/sysdeps/sparc/tls.h | 58 |
3 files changed, 36 insertions, 54 deletions
diff --git a/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h b/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h new file mode 100644 index 0000000000..5cef8b1cf5 --- /dev/null +++ b/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h @@ -0,0 +1,31 @@ +/* Copyright (C) 2003, 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <setjmp.h> +#include <stdint.h> +#include <unwind.h> + +#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ + _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) + +#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ + ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj)) + +/* We use the normal lobngjmp for unwinding. */ +#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) diff --git a/nptl/sysdeps/sparc/tcb-offsets.sym b/nptl/sysdeps/sparc/tcb-offsets.sym index 923af8a5b7..237f975b25 100644 --- a/nptl/sysdeps/sparc/tcb-offsets.sym +++ b/nptl/sysdeps/sparc/tcb-offsets.sym @@ -2,6 +2,5 @@ #include <tls.h> MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads) -POINTER_GUARD offsetof (tcbhead_t, pointer_guard) PID offsetof (struct pthread, pid) TID offsetof (struct pthread, tid) diff --git a/nptl/sysdeps/sparc/tls.h b/nptl/sysdeps/sparc/tls.h index a008f29055..8980f9fc0c 100644 --- a/nptl/sysdeps/sparc/tls.h +++ b/nptl/sysdeps/sparc/tls.h @@ -1,5 +1,5 @@ /* Definitions for thread-local data handling. NPTL/sparc version. - Copyright (C) 2003, 2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 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 @@ -22,7 +22,6 @@ #include <dl-sysdep.h> #ifndef __ASSEMBLER__ -# include <stdbool.h> # include <stddef.h> # include <stdint.h> # include <stdlib.h> @@ -32,11 +31,7 @@ typedef union dtv { size_t counter; - struct - { - void *val; - bool is_static; - } pointer; + void *pointer; } dtv_t; typedef struct @@ -46,9 +41,6 @@ typedef struct dtv_t *dtv; void *self; int multiple_threads; - uintptr_t sysinfo; - uintptr_t stack_guard; - uintptr_t pointer_guard; } tcbhead_t; #else /* __ASSEMBLER__ */ @@ -72,13 +64,11 @@ typedef struct 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) +/* 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) +# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) /* This is the size of the TCB. */ # define TLS_TCB_SIZE sizeof (struct pthread) @@ -129,44 +119,6 @@ register struct pthread *__thread_self __asm__("%g7"); #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); \ - } \ - 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 */ |