diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sh/sh4')
22 files changed, 842 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sh/sh4/Makefile b/REORG.TODO/sysdeps/sh/sh4/Makefile new file mode 100644 index 0000000000..ccac91432a --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/Makefile @@ -0,0 +1,3 @@ +# Build everything with full IEEE math support. -mieee isn't +# default for the older SH compilers. +sysdep-CFLAGS += -mieee diff --git a/REORG.TODO/sysdeps/sh/sh4/Versions b/REORG.TODO/sysdeps/sh/sh4/Versions new file mode 100644 index 0000000000..8cc1c7b7d4 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/Versions @@ -0,0 +1,5 @@ +ld { + GLIBC_PRIVATE { + __fpscr_values; + } +} diff --git a/REORG.TODO/sysdeps/sh/sh4/__longjmp.S b/REORG.TODO/sysdeps/sh/sh4/__longjmp.S new file mode 100644 index 0000000000..2a5c25da32 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/__longjmp.S @@ -0,0 +1,73 @@ +/* longjmp for SH. + Copyright (C) 1999-2017 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/>. */ + +#include <sysdep.h> +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> + +/* __longjmp(jmpbuf, val) */ + +ENTRY (__longjmp) + mov.l @r4+, r8 + mov.l @r4+, r9 + mov.l @r4+, r10 + mov.l @r4+, r11 + mov.l @r4+, r12 + mov r5, r0 /* get the return value in place */ + tst r0, r0 + bf.s 1f + mov.l @r4+, r13 + mov #1,r0 /* can't let setjmp() return zero! */ +1: +#ifdef PTR_DEMANGLE + mov.l @r4+, r2 + PTR_DEMANGLE (r2, r1) + mov r2, r14 + mov.l @r4+, r2 + PTR_DEMANGLE2 (r2, r1) +# ifdef CHECK_SP + CHECK_SP (r2) +# endif + mov r2, r15 + mov.l @r4+, r2 + PTR_DEMANGLE2 (r2, r1) + lds r2, pr + mov #0, r1 +#else + mov.l @r4+, r14 +# ifdef CHECK_SP + mov.l @r4, r2 + CHECK_SP (r2) +# endif + mov.l @r4+, r15 + lds.l @r4+, pr +#endif +#ifdef __SH_FPU_ANY__ + ldc.l @r4+, gbr + lds.l @r4+, fpscr + fmov.s @r4+, fr12 + fmov.s @r4+, fr13 + fmov.s @r4+, fr14 + rts + fmov.s @r4+, fr15 +#else + rts + ldc.l @r4+, gbr +#endif /* !__SH_FPU_ANY__ */ +END (__longjmp) diff --git a/REORG.TODO/sysdeps/sh/sh4/dl-trampoline.S b/REORG.TODO/sysdeps/sh/sh4/dl-trampoline.S new file mode 100644 index 0000000000..bd9bb7e5bd --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/dl-trampoline.S @@ -0,0 +1,4 @@ +#ifdef __SH_FPU_ANY__ +# define HAVE_FPU +#endif +#include <sysdeps/sh/dl-trampoline.S> diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fclrexcpt.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fclrexcpt.c new file mode 100644 index 0000000000..5a430f6655 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fclrexcpt.c @@ -0,0 +1,42 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 1998-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +feclearexcept (int excepts) +{ + fpu_control_t cw; + + /* Mask out unsupported bits/exceptions. */ + excepts &= FE_ALL_EXCEPT; + + /* Read the complete control word. */ + _FPU_GETCW (cw); + + /* Clear exception bits. */ + cw &= ~excepts; + + /* Put the new data in effect. */ + _FPU_SETCW (cw); + + return 0; +} +libm_hidden_def (feclearexcept) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fedisblxcpt.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..718ae70899 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fedisblxcpt.c @@ -0,0 +1,39 @@ +/* Disable floating-point exceptions. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fedisableexcept (int excepts) +{ + fpu_control_t temp, old_exc; + + /* Get the current control register contents. */ + _FPU_GETCW (temp); + + old_exc = (temp >> 5) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + temp &= ~(excepts << 5); + _FPU_SETCW (temp); + + return old_exc; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/feenablxcpt.c b/REORG.TODO/sysdeps/sh/sh4/fpu/feenablxcpt.c new file mode 100644 index 0000000000..d638714149 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/feenablxcpt.c @@ -0,0 +1,38 @@ +/* Enable floating-point exceptions. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +feenableexcept (int excepts) +{ + fpu_control_t temp, old_flag; + + /* Get current exceptions. */ + _FPU_GETCW (temp); + + old_flag = (temp >> 5) & FE_ALL_EXCEPT; + excepts &= FE_ALL_EXCEPT; + + temp |= excepts << 5; + _FPU_SETCW (temp); + + return old_flag; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fegetenv.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetenv.c new file mode 100644 index 0000000000..00945f1072 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetenv.c @@ -0,0 +1,34 @@ +/* Store current floating-point environment. + Copyright (C) 1997-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__fegetenv (fenv_t *envp) +{ + fpu_control_t temp; + _FPU_GETCW (temp); + + envp->__fpscr = temp; + + return 0; +} +libm_hidden_def (__fegetenv) +weak_alias (__fegetenv, fegetenv) +libm_hidden_weak (fegetenv) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fegetexcept.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetexcept.c new file mode 100644 index 0000000000..4d1299e310 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetexcept.c @@ -0,0 +1,32 @@ +/* Get enabled floating-point exceptions. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fegetexcept (void) +{ + fpu_control_t temp; + + /* Get current exceptions. */ + _FPU_GETCW (temp); + + return (temp >> 5) & FE_ALL_EXCEPT; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fegetmode.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetmode.c new file mode 100644 index 0000000000..e839a9b25f --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetmode.c @@ -0,0 +1,27 @@ +/* Store current floating-point control modes. SH4 version. + Copyright (C) 2016-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fegetmode (femode_t *modep) +{ + _FPU_GETCW (*modep); + return 0; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fegetround.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetround.c new file mode 100644 index 0000000000..4c97d23e12 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fegetround.c @@ -0,0 +1,35 @@ +/* Return current rounding direction. + Copyright (C) 1998-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__fegetround (void) +{ + fpu_control_t cw; + + /* Get control word. */ + _FPU_GETCW (cw); + + return cw & 0x1; +} +libm_hidden_def (__fegetround) +weak_alias (__fegetround, fegetround) +libm_hidden_weak (fegetround) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/feholdexcpt.c b/REORG.TODO/sysdeps/sh/sh4/fpu/feholdexcpt.c new file mode 100644 index 0000000000..b905e594cd --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/feholdexcpt.c @@ -0,0 +1,44 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 1997-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__feholdexcept (fenv_t *envp) +{ + fpu_control_t temp; + + /* Store the environment. */ + _FPU_GETCW (temp); + envp->__fpscr = temp; + + /* Clear the status flags. */ + temp &= ~FE_ALL_EXCEPT; + + /* Now set all exceptions to non-stop. */ + temp &= ~(FE_ALL_EXCEPT << 5); + + _FPU_SETCW (temp); + + /* Success. */ + return 0; +} +libm_hidden_def (__feholdexcept) +weak_alias (__feholdexcept, feholdexcept) +libm_hidden_weak (feholdexcept) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fesetenv.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetenv.c new file mode 100644 index 0000000000..8628c508e5 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetenv.c @@ -0,0 +1,36 @@ +/* Install given floating-point environment. + Copyright (C) 1997-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__fesetenv (const fenv_t *envp) +{ + if (envp == FE_DFL_ENV) + _FPU_SETCW (_FPU_DEFAULT); + else + { + fpu_control_t temp = envp->__fpscr; + _FPU_SETCW (temp); + } + return 0; +} +libm_hidden_def (__fesetenv) +weak_alias (__fesetenv, fesetenv) +libm_hidden_weak (fesetenv) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fesetexcept.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetexcept.c new file mode 100644 index 0000000000..ecfad75fff --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetexcept.c @@ -0,0 +1,32 @@ +/* Set given exception flags. SH4 version. + Copyright (C) 2016-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fesetexcept (int excepts) +{ + fpu_control_t temp; + + _FPU_GETCW (temp); + temp |= (excepts & FE_ALL_EXCEPT); + _FPU_SETCW (temp); + + return 0; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fesetmode.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetmode.c new file mode 100644 index 0000000000..d2b9e05128 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetmode.c @@ -0,0 +1,38 @@ +/* Install given floating-point control modes. SH4 version. + Copyright (C) 2016-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +#define FPU_STATUS 0x3f07c + +int +fesetmode (const femode_t *modep) +{ + fpu_control_t fpscr; + + _FPU_GETCW (fpscr); + fpscr &= FPU_STATUS; + if (modep == FE_DFL_MODE) + fpscr |= _FPU_DEFAULT; + else + fpscr |= *modep & ~FPU_STATUS; + _FPU_SETCW (fpscr); + + return 0; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fesetround.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetround.c new file mode 100644 index 0000000000..20acb7c5e9 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fesetround.c @@ -0,0 +1,45 @@ +/* Set current rounding direction. + Copyright (C) 1998-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__fesetround (int round) +{ + fpu_control_t cw; + + if ((round & ~0x1) != 0) + /* ROUND is no valid rounding mode. */ + return 1; + + /* Get current state. */ + _FPU_GETCW (cw); + + /* Set rounding bits. */ + cw &= ~0x1; + cw |= round; + /* Set new state. */ + _FPU_SETCW (cw); + + return 0; +} +libm_hidden_def (__fesetround) +weak_alias (__fesetround, fesetround) +libm_hidden_weak (fesetround) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/feupdateenv.c b/REORG.TODO/sysdeps/sh/sh4/fpu/feupdateenv.c new file mode 100644 index 0000000000..3b886a2235 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/feupdateenv.c @@ -0,0 +1,41 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 2012-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__feupdateenv (const fenv_t *envp) +{ + fpu_control_t temp; + + _FPU_GETCW (temp); + temp = (temp & FE_ALL_EXCEPT); + + /* Raise the saved 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. */ + __fesetenv (envp); + __feraiseexcept ((int) temp); + + return 0; +} +libm_hidden_def (__feupdateenv) +weak_alias (__feupdateenv, feupdateenv) +libm_hidden_weak (feupdateenv) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fgetexcptflg.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fgetexcptflg.c new file mode 100644 index 0000000000..02fc3948bc --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fgetexcptflg.c @@ -0,0 +1,38 @@ +/* Store current representation for exceptions. + Copyright (C) 2013-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fegetexceptflag (fexcept_t *flagp, int excepts) +{ + fpu_control_t temp; + + /* Get the current exceptions. */ + _FPU_GETCW (temp); + + /* We only save the relevant bits here. In particular, care has to be + taken with the CAUSE bits, as an inadvertent restore later on could + generate unexpected exceptions. */ + + *flagp = temp & excepts & FE_ALL_EXCEPT; + + /* Success. */ + return 0; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fraiseexcpt.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fraiseexcpt.c new file mode 100644 index 0000000000..4bd0eb9ef5 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fraiseexcpt.c @@ -0,0 +1,75 @@ +/* Raise given exceptions. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. + + 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/>. */ + +#include <fenv.h> +#include <float.h> +#include <fpu_control.h> +#include <math.h> + +int +__feraiseexcept (int excepts) +{ + if (excepts == 0) + return 0; + + /* Raise exceptions represented by EXPECTS. */ + + if (excepts & FE_INEXACT) + { + double d = 1.0, x = 3.0; + __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); + } + + if (excepts & FE_UNDERFLOW) + { + long double d = LDBL_MIN, x = 10; + __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); + } + + if (excepts & FE_OVERFLOW) + { + long double d = LDBL_MAX; + __asm__ __volatile__ ("fmul %0, %0" : "+d" (d) : "d" (d)); + } + + if (excepts & FE_DIVBYZERO) + { + double d = 1.0, x = 0.0; + __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); + } + + if (excepts & FE_INVALID) + { + double d = HUGE_VAL, x = 0.0; + __asm__ __volatile__ ("fmul %1, %0" : "+d" (d) : "d" (x)); + } + + { + /* Restore flag fields. */ + fpu_control_t cw; + _FPU_GETCW (cw); + cw |= (excepts & FE_ALL_EXCEPT); + _FPU_SETCW (cw); + } + + return 0; +} +libm_hidden_def (__feraiseexcept) +weak_alias (__feraiseexcept, feraiseexcept) +libm_hidden_weak (feraiseexcept) diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/fsetexcptflg.c b/REORG.TODO/sysdeps/sh/sh4/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..3a6ea33c26 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/fsetexcptflg.c @@ -0,0 +1,39 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997-2017 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/>. */ + +#include <fenv.h> +#include <math.h> +#include <fpu_control.h> + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fpu_control_t temp; + + /* Get the current environment. */ + _FPU_GETCW (temp); + + /* Set the desired exception mask. */ + temp &= ~(excepts & FE_ALL_EXCEPT); + temp |= (*flagp & excepts & FE_ALL_EXCEPT); + + /* Save state back to the FPU. */ + _FPU_SETCW (temp); + + return 0; +} diff --git a/REORG.TODO/sysdeps/sh/sh4/fpu/ftestexcept.c b/REORG.TODO/sysdeps/sh/sh4/fpu/ftestexcept.c new file mode 100644 index 0000000000..fa2c011825 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/fpu/ftestexcept.c @@ -0,0 +1,32 @@ +/* Test exception in current environment. + Copyright (C) 1997-2017 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/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +fetestexcept (int excepts) +{ + fpu_control_t temp; + + /* Get current exceptions. */ + _FPU_GETCW (temp); + + return temp & excepts & FE_ALL_EXCEPT; +} +libm_hidden_def (fetestexcept) diff --git a/REORG.TODO/sysdeps/sh/sh4/setjmp.S b/REORG.TODO/sysdeps/sh/sh4/setjmp.S new file mode 100644 index 0000000000..a09ffab627 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/sh4/setjmp.S @@ -0,0 +1,90 @@ +/* setjmp for SH4. + Copyright (C) 1999-2017 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/>. */ + +#include <sysdep.h> +#include <jmpbuf-offsets.h> + +ENTRY (__sigsetjmp) + /* Save registers */ +#ifdef __SH_FPU_ANY__ + add #JB_SIZE, r4 + fmov.s fr15, @-r4 + fmov.s fr14, @-r4 + fmov.s fr13, @-r4 + fmov.s fr12, @-r4 + sts.l fpscr, @-r4 +#else + add #(JB_SIZE - 4 * 5), r4 +#endif /* __SH_FPU_ANY__ */ + stc.l gbr, @-r4 +#ifdef PTR_MANGLE + sts pr, r2 + PTR_MANGLE (r2, r1) + mov.l r2, @-r4 + mov r15, r2 + PTR_MANGLE2 (r2, r1) + mov.l r2, @-r4 + mov r14, r2 + PTR_MANGLE2 (r2, r1) + mov.l r2, @-r4 + mov #0, r1 +#else + sts.l pr, @-r4 + mov.l r15, @-r4 + mov.l r14, @-r4 +#endif + mov.l r13, @-r4 + mov.l r12, @-r4 + mov.l r11, @-r4 + mov.l r10, @-r4 + mov.l r9, @-r4 + mov.l r8, @-r4 + +#if IS_IN (rtld) + /* In ld.so we never save the signal mask. */ + rts + mov #0, r0 +#else + /* Make a tail call to __sigjmp_save; it takes the same args. */ +# ifdef SHARED + mov.l 1f, r1 + mova 1f, r0 + bra 2f + add r1, r0 + .align 2 +1: + .long _GLOBAL_OFFSET_TABLE_ +2: + mov.l .L1, r1 + mov.l @(r0,r1), r1 + jmp @r1 + nop + .align 2 +.L1: + .long C_SYMBOL_NAME(__sigjmp_save@GOT) +# else + mov.l .L1, r1 + jmp @r1 + nop + .align 2 +.L1: + .long C_SYMBOL_NAME(__sigjmp_save) +# endif +#endif +END (__sigsetjmp) +hidden_def (__sigsetjmp) |