diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/sparc/sparc32')
7 files changed, 181 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h new file mode 100644 index 000000000..5cef8b1cf --- /dev/null +++ b/libpthread/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/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.c b/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.c new file mode 100644 index 000000000..d3c6e3049 --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.c @@ -0,0 +1,40 @@ +/* Copyright (C) 2003 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 "pthreadP.h" + +int +pthread_spin_lock (pthread_spinlock_t *lock) +{ + __asm __volatile + ("1: ldstub [%0], %%g2\n" + " orcc %%g2, 0x0, %%g0\n" + " bne,a 2f\n" + " ldub [%0], %%g2\n" + ".subsection 2\n" + "2: orcc %%g2, 0x0, %%g0\n" + " bne,a 2b\n" + " ldub [%0], %%g2\n" + " b,a 1b\n" + ".previous" + : /* no outputs */ + : "r" (lock) + : "g2", "memory", "cc"); + return 0; +} diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_trylock.c b/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_trylock.c new file mode 100644 index 000000000..bcc3158fd --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/pthread_spin_trylock.c @@ -0,0 +1,29 @@ +/* Copyright (C) 2003 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 <errno.h> +#include "pthreadP.h" + +int +pthread_spin_trylock (pthread_spinlock_t *lock) +{ + int res; + __asm __volatile ("ldstub [%1], %0" : "=r" (res) : "r" (lock) : "memory"); + return res == 0 ? 0 : EBUSY; +} diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/pthreaddef.h b/libpthread/nptl/sysdeps/sparc/sparc32/pthreaddef.h new file mode 100644 index 000000000..9908df9e9 --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/pthreaddef.h @@ -0,0 +1,40 @@ +/* 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 + 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. */ + +/* 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 (stack_pointer + (2 * 64)) +register char *stack_pointer __asm__("%sp"); + +/* XXX Until we have a better place keep the definitions here. */ + +/* While there is no such syscall. */ +#define __exit_thread_inline(val) \ + INLINE_SYSCALL (exit, 1, (val)) diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c new file mode 100644 index 000000000..8880f535b --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c @@ -0,0 +1,39 @@ +/* Copyright (C) 2003 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 "pthreadP.h" + +int +pthread_spin_lock (pthread_spinlock_t *lock) +{ + __asm __volatile + ("1: ldstub [%0], %%g2\n" + " brnz,pn %%g2, 2f\n" + " membar #StoreLoad | #StoreStore\n" + ".subsection 2\n" + "2: ldub [%0], %%g2\n" + " brnz,pt %%g2, 2b\n" + " membar #LoadLoad\n" + " b,a,pt %%xcc, 1b\n" + ".previous" + : /* no outputs */ + : "r" (lock) + : "g2", "memory"); + return 0; +} diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c new file mode 100644 index 000000000..3b20a2180 --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c @@ -0,0 +1 @@ +#include <sparc64/pthread_spin_trylock.c> diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c new file mode 100644 index 000000000..482cbe3d7 --- /dev/null +++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c @@ -0,0 +1 @@ +#include <sparc64/pthread_spin_unlock.c> |