diff options
Diffstat (limited to 'sysdeps/ia64')
| -rw-r--r-- | sysdeps/ia64/Makefile | 8 | ||||
| -rw-r--r-- | sysdeps/ia64/Versions | 6 | ||||
| -rw-r--r-- | sysdeps/ia64/bits/fenv.h | 82 | ||||
| -rw-r--r-- | sysdeps/ia64/elf/start.S | 84 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fclrexcpt.c | 39 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fedisblxcpt.c | 37 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/feenablxcpt.c | 38 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fegetenv.c | 29 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fegetexcept.c | 31 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fegetround.c | 31 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/feholdexcpt.c | 33 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fesetenv.c | 41 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fesetround.c | 41 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/feupdateenv.c | 42 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fgetexcptflg.c | 35 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fraiseexcpt.c | 94 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/fsetexcptflg.c | 44 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/ftestexcept.c | 32 | ||||
| -rw-r--r-- | sysdeps/ia64/gmp-mparam.h | 27 | ||||
| -rw-r--r-- | sysdeps/ia64/memprof.h | 22 |
20 files changed, 796 insertions, 0 deletions
diff --git a/sysdeps/ia64/Makefile b/sysdeps/ia64/Makefile new file mode 100644 index 0000000000..5f04a9dd66 --- /dev/null +++ b/sysdeps/ia64/Makefile @@ -0,0 +1,8 @@ +ifeq ($(subdir), csu) +CPPFLAGS-start.S = -D__ASSEMBLY__ +endif + +ifeq ($(subdir),elf) +dl-routines += dl-symaddr dl-fptr +rtld-routines += dl-symaddr dl-fptr +endif diff --git a/sysdeps/ia64/Versions b/sysdeps/ia64/Versions new file mode 100644 index 0000000000..e3323177f2 --- /dev/null +++ b/sysdeps/ia64/Versions @@ -0,0 +1,6 @@ +ld { + GLIBC_2.2 { + # ia64 specific functions in the dynamic linker, but used by libc.so. + _dl_symbol_address; + } +} diff --git a/sysdeps/ia64/bits/fenv.h b/sysdeps/ia64/bits/fenv.h new file mode 100644 index 0000000000..46e53ae08d --- /dev/null +++ b/sysdeps/ia64/bits/fenv.h @@ -0,0 +1,82 @@ +/* Copyright (C) 1999, 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + + +/* Define bits representing the exception. We use the bit positions of + the appropriate bits in the FPSR... (Tahoe EAS 2.4 5-4)*/ + +enum + { + FE_INEXACT = 1UL << 5, +#define FE_INEXACT FE_INEXACT + + FE_UNDERFLOW = 1UL << 4, +#define FE_UNDERFLOW FE_UNDERFLOW + + FE_OVERFLOW = 1UL << 3, +#define FE_OVERFLOW FE_OVERFLOW + + FE_DIVBYZERO = 1UL << 2, +#define FE_DIVBYZERO FE_DIVBYZERO + + FE_UNNORMAL = 1UL << 1, +#define FE_UNNORMAL FE_UNNORMAL + + FE_INVALID = 1UL << 0, +#define FE_INVALID FE_INVALID + + FE_ALL_EXCEPT = + (FE_INEXACT | FE_UNDERFLOW | FE_OVERFLOW | FE_DIVBYZERO | FE_UNNORMAL | FE_INVALID) +#define FE_ALL_EXCEPT FE_ALL_EXCEPT + }; + + +enum + { + FE_TOWARDZERO = 3, +#define FE_TOWARDZERO FE_TOWARDZERO + + FE_UPWARD = 2, +#define FE_UPWARD FE_UPWARD + + FE_DOWNWARD = 1, +#define FE_DOWNWARD FE_DOWNWARD + + FE_TONEAREST = 0, +#define FE_TONEAREST FE_TONEAREST + }; + + +/* Type representing exception flags. */ +typedef unsigned long fexcept_t; + +/* Type representing floating-point environment. */ +typedef unsigned long fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) 0xc009804c0270033fUL) + +#ifdef __USE_GNU +/* Floating-point environment where only FE_UNNORMAL is masked since this + exception is not generally supported by glibc. */ +# define FE_NOMASK_ENV ((fenv_t *) 0xc009804c02700302UL) +#endif diff --git a/sysdeps/ia64/elf/start.S b/sysdeps/ia64/elf/start.S new file mode 100644 index 0000000000..424fae8471 --- /dev/null +++ b/sysdeps/ia64/elf/start.S @@ -0,0 +1,84 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <asm/unistd.h> +#include <asm/fpu.h> + +/* + * Arguments for __libc_start_main: + * out0: main + * out1: argc + * out2: argv + * out3: init + * out4: fini + * out5: rtld_fini + * out6: stack_end + */ + + .psr abi64 + .psr lsb + .lsb + + .text + + .global _start# + .proc _start# + +_start: + { .mlx + alloc r2 = ar.pfs,0,0,7,0 + movl r3 = FPSR_DEFAULT + } + { .mlx + adds out2 = 16, sp /* get address of argc value */ + movl gp = @gprel(0f) + ;; + } +0: { .mii + ld8 out1 = [out2], 8 /* load argc and move out2 to become argv */ + mov r9 = ip + ;; + sub gp = r9, gp /* back-compute gp value */ + ;; + } + { .mfi + mov ar.fpsr = r3 + addl out0 = @ltoff(@fptr(main#)), gp + } + { .mfi + addl out4 = @ltoff(@fptr(_fini#)), gp + addl out3 = @ltoff(@fptr(_init#)), gp + ;; + } + { .mmi + ld8 out0 = [out0] /* pointer to `main' function descriptor */ + ld8 out3 = [out3] /* pointer to `init' function descriptor */ + adds out6 = 16, sp /* highest non-environment stack address */ + } + { .mib + ld8 out4 = [out4] /* pointer to `fini' function descriptor */ + mov out5 = ret0 /* dynamic linker destructor */ + br.call.sptk.few rp = __libc_start_main# + } + { .mib + mov rp = r0 + br.ret.sptk.few rp /* break miserably if we ever return */ + ;; + } + .endp _start# diff --git a/sysdeps/ia64/fpu/fclrexcpt.c b/sysdeps/ia64/fpu/fclrexcpt.c new file mode 100644 index 0000000000..fbd93ce5da --- /dev/null +++ b/sysdeps/ia64/fpu/fclrexcpt.c @@ -0,0 +1,39 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 and + Jes Sorensen <Jes.Sorensen@cern.ch>, 2000 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +feclearexcept (int excepts) +{ + fenv_t fpsr; + + /* Get the current state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + /* Clear the relevant bits. */ + fpsr &= ~(((unsigned long int) ((excepts & FE_ALL_EXCEPT) << 13))); + /* Put the new state in effect. */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory"); + + /* success */ + return 0; +} diff --git a/sysdeps/ia64/fpu/fedisblxcpt.c b/sysdeps/ia64/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..fceedc22be --- /dev/null +++ b/sysdeps/ia64/fpu/fedisblxcpt.c @@ -0,0 +1,37 @@ +/* Disable floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fedisableexcept (int excepts) +{ + fenv_t old_fpsr; + fenv_t new_fpsr; + + /* Get the current fpsr. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr)); + + new_fpsr = old_fpsr |= FE_ALL_EXCEPT; + + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory"); + + return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT; +} diff --git a/sysdeps/ia64/fpu/feenablxcpt.c b/sysdeps/ia64/fpu/feenablxcpt.c new file mode 100644 index 0000000000..2c54476681 --- /dev/null +++ b/sysdeps/ia64/fpu/feenablxcpt.c @@ -0,0 +1,38 @@ +/* Enable floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +feenableexcept (int excepts) +{ + fenv_t old_fpsr; + fenv_t new_fpsr; + + /* Get the current fpsr. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r " (old_fpsr)); + + new_fpsr = ((old_fpsr & FE_ALL_EXCEPT) + | (old_fpsr & ((unsigned long int) excepts ^ FE_ALL_EXCEPT))); + + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory"); + + return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT; +} diff --git a/sysdeps/ia64/fpu/fegetenv.c b/sysdeps/ia64/fpu/fegetenv.c new file mode 100644 index 0000000000..4527bc506e --- /dev/null +++ b/sysdeps/ia64/fpu/fegetenv.c @@ -0,0 +1,29 @@ +/* Store current floating-point environment. + Copyright (C) 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fegetenv (fenv_t *envp) +{ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (*envp)); + + return 0; +} diff --git a/sysdeps/ia64/fpu/fegetexcept.c b/sysdeps/ia64/fpu/fegetexcept.c new file mode 100644 index 0000000000..828f7db570 --- /dev/null +++ b/sysdeps/ia64/fpu/fegetexcept.c @@ -0,0 +1,31 @@ +/* Get enabled floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fegetexcept (void) +{ + fenv_t fpsr; + + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + return (fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT; +} diff --git a/sysdeps/ia64/fpu/fegetround.c b/sysdeps/ia64/fpu/fegetround.c new file mode 100644 index 0000000000..b30fec544f --- /dev/null +++ b/sysdeps/ia64/fpu/fegetround.c @@ -0,0 +1,31 @@ +/* Return current rounding direction. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fegetround (void) +{ + fenv_t fpsr; + + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + return (fpsr >> 10) & 3; +} diff --git a/sysdeps/ia64/fpu/feholdexcpt.c b/sysdeps/ia64/fpu/feholdexcpt.c new file mode 100644 index 0000000000..3bab374000 --- /dev/null +++ b/sysdeps/ia64/fpu/feholdexcpt.c @@ -0,0 +1,33 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +feholdexcept (fenv_t *envp) +{ + /* Save the current state. */ + fegetenv (envp); + + /* set the trap disable bit */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (*envp | FE_ALL_EXCEPT)); + + return 1; +} diff --git a/sysdeps/ia64/fpu/fesetenv.c b/sysdeps/ia64/fpu/fesetenv.c new file mode 100644 index 0000000000..b1209ca34e --- /dev/null +++ b/sysdeps/ia64/fpu/fesetenv.c @@ -0,0 +1,41 @@ +/* Install given floating-point environment. + Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000 + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fesetenv (const fenv_t *envp) +{ + fenv_t env; + + /* + This stinks! + Magic encoding of default values: bit 62+63 set (which will never + happen for a user-space address) means it's not indirect. + */ + if (((unsigned long int) envp >> 62) == 0x03) + env = (unsigned long int) envp & 0x3fffffffffffffff; + else + env = *envp; + + __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env)); + + return 0; +} diff --git a/sysdeps/ia64/fpu/fesetround.c b/sysdeps/ia64/fpu/fesetround.c new file mode 100644 index 0000000000..66d7f89f39 --- /dev/null +++ b/sysdeps/ia64/fpu/fesetround.c @@ -0,0 +1,41 @@ +/* Set current rounding direction. + Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fesetround (int round) +{ + unsigned long int fpsr; + + if (round & ~3) + return 0; + + /* Get the current state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + /* Set the relevant bits. */ + fpsr = (fpsr & ~(3UL << 10)) | ((unsigned long int) round << 10); + + /* Put the new state in effect. */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory"); + + return 1; +} diff --git a/sysdeps/ia64/fpu/feupdateenv.c b/sysdeps/ia64/fpu/feupdateenv.c new file mode 100644 index 0000000000..89e0b2e993 --- /dev/null +++ b/sysdeps/ia64/fpu/feupdateenv.c @@ -0,0 +1,42 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +feupdateenv (const fenv_t *envp) +{ + fenv_t fpsr; + + + /* Get the current exception state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + /* Install new environment. */ + fesetenv (envp); + + /* Raise the safed exception. Incidently for us the implementation + defined format of the values in objects of type fexcept_t is the + same as the ones specified using the FE_* constants. */ + feraiseexcept ((int) fpsr & FE_ALL_EXCEPT); + + /* Success. */ + return 0; +} diff --git a/sysdeps/ia64/fpu/fgetexcptflg.c b/sysdeps/ia64/fpu/fgetexcptflg.c new file mode 100644 index 0000000000..555530762d --- /dev/null +++ b/sysdeps/ia64/fpu/fgetexcptflg.c @@ -0,0 +1,35 @@ +/* Store current representation for exceptions. + Copyright (C) 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fegetexceptflag (fexcept_t *flagp, int excepts) +{ + fenv_t fpsr; + + /* Get the current exceptions. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + *flagp = (fpsr ^ FE_ALL_EXCEPT) & excepts & FE_ALL_EXCEPT; + + /* Success. */ + return 0; +} diff --git a/sysdeps/ia64/fpu/fraiseexcpt.c b/sysdeps/ia64/fpu/fraiseexcpt.c new file mode 100644 index 0000000000..78a881117e --- /dev/null +++ b/sysdeps/ia64/fpu/fraiseexcpt.c @@ -0,0 +1,94 @@ +/* Raise given exceptions. + Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <math.h> +#include <signal.h> +#include <unistd.h> +#include <asm/fpu.h> + +int +feraiseexcept (int excepts) +{ + fenv_t fpsr; + double tmp; + double dummy; + + /* Raise exceptions represented by EXPECTS. But we must raise only + one signal at a time. It is important the if the overflow/underflow + exception and the inexact exception are given at the same time, + the overflow/underflow exception precedes the inexact exception. */ + + /* We do these bits in assembly to be certain GCC doesn't optimize + away something important. */ + + /* First: invalid exception. */ + if (FE_INVALID & excepts) + { + /* One example of a invalid operation is 0 * Infinity. */ + tmp = 0; + __asm__ __volatile__ ("frcpa.s0 %0,p1=f0,f0" : "=f" (tmp) : : "p1" ); + } + + /* Next: division by zero. */ + if (FE_DIVBYZERO & excepts) + __asm__ __volatile__ ("frcpa.s0 %0,p1=f1,f0" : "=f" (tmp) : : "p1" ); + + /* XXX There seem to be no reliable way to generate + overflow/underflow exceptions without causing inexact exceptions + as well. */ + /* Next: overflow. */ + if (FE_OVERFLOW & excepts) + { + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + fpsr |= (FE_OVERFLOW << 13); + __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r" (fpsr)); + + if (!((unsigned long int) fpsr & FE_OVERFLOW)) + { + pid_t pid = getpid (); + kill (pid, SIGFPE); + } + } + + /* Next: underflow. */ + if (FE_UNDERFLOW & excepts) + { + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + fpsr |= (FE_UNDERFLOW << 13); + __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r" (fpsr)); + + if (!((unsigned long int) fpsr & FE_UNDERFLOW)) + { + pid_t pid = getpid(); + kill (pid, SIGFPE); + } + } + + /* Last: inexact. */ + if (FE_INEXACT & excepts) + { + dummy = DBL_MAX; + __asm__ __volatile__ ("fadd.d.s0 %0=%1,f1" : "=f" (dummy) : "0" (dummy)); + } + + /* Success. */ + return 0; +} diff --git a/sysdeps/ia64/fpu/fsetexcptflg.c b/sysdeps/ia64/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..5e040416d4 --- /dev/null +++ b/sysdeps/ia64/fpu/fsetexcptflg.c @@ -0,0 +1,44 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <math.h> + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fenv_t fpsr; + + /* Get the current exception state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + /* Get the reverse bits so we can enable the exceptions flagged + rather than disable them. */ + excepts ^= FE_ALL_EXCEPT; + + /* Set all the bits that were called for. */ + fpsr = (fpsr & ~FE_ALL_EXCEPT) | (*flagp & excepts & FE_ALL_EXCEPT); + + /* And store it back. */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory"); + + /* Success. */ + return 0; +} diff --git a/sysdeps/ia64/fpu/ftestexcept.c b/sysdeps/ia64/fpu/ftestexcept.c new file mode 100644 index 0000000000..538bf2916e --- /dev/null +++ b/sysdeps/ia64/fpu/ftestexcept.c @@ -0,0 +1,32 @@ +/* Test exception in current environment. + Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> + +int +fetestexcept (int excepts) +{ + fenv_t fpsr; + + /* Get current exceptions. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + return (fpsr >> 13) & excepts & FE_ALL_EXCEPT; +} diff --git a/sysdeps/ia64/gmp-mparam.h b/sysdeps/ia64/gmp-mparam.h new file mode 100644 index 0000000000..d52b870740 --- /dev/null +++ b/sysdeps/ia64/gmp-mparam.h @@ -0,0 +1,27 @@ +/* gmp-mparam.h -- Compiler/machine parameter header file. + +Copyright (C) 2000 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#define BITS_PER_MP_LIMB 64 +#define BYTES_PER_MP_LIMB 8 +#define BITS_PER_LONGINT 64 +#define BITS_PER_INT 32 +#define BITS_PER_SHORTINT 16 +#define BITS_PER_CHAR 8 diff --git a/sysdeps/ia64/memprof.h b/sysdeps/ia64/memprof.h new file mode 100644 index 0000000000..e447a735e0 --- /dev/null +++ b/sysdeps/ia64/memprof.h @@ -0,0 +1,22 @@ +/* Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +#define GETSP() ({ register uintptr_t stack_ptr asm ("%r12"); stack_ptr; }) + +#include <sysdeps/generic/memprof.h> |