diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sh/bits')
| -rw-r--r-- | REORG.TODO/sysdeps/sh/bits/endian.h | 13 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sh/bits/fenv.h | 84 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sh/bits/huge_val.h | 54 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sh/bits/link.h | 69 | ||||
| -rw-r--r-- | REORG.TODO/sysdeps/sh/bits/setjmp.h | 46 |
5 files changed, 266 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sh/bits/endian.h b/REORG.TODO/sysdeps/sh/bits/endian.h new file mode 100644 index 0000000000..1fef1ff938 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/bits/endian.h @@ -0,0 +1,13 @@ +/* SH is bi-endian but with a big-endian FPU. */ + +#ifndef _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + +#ifdef __LITTLE_ENDIAN__ +#define __BYTE_ORDER __LITTLE_ENDIAN +#define __FLOAT_WORD_ORDER __LITTLE_ENDIAN +#else +#define __BYTE_ORDER __BIG_ENDIAN +#define __FLOAT_WORD_ORDER __BIG_ENDIAN +#endif diff --git a/REORG.TODO/sysdeps/sh/bits/fenv.h b/REORG.TODO/sysdeps/sh/bits/fenv.h new file mode 100644 index 0000000000..a121efb101 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/bits/fenv.h @@ -0,0 +1,84 @@ +/* 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/>. */ + +#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 FPU control word. */ +enum + { + FE_INEXACT = +#define FE_INEXACT 0x04 + FE_INEXACT, + FE_UNDERFLOW = +#define FE_UNDERFLOW 0x08 + FE_UNDERFLOW, + FE_OVERFLOW = +#define FE_OVERFLOW 0x10 + FE_OVERFLOW, + FE_DIVBYZERO = +#define FE_DIVBYZERO 0x20 + FE_DIVBYZERO, + FE_INVALID = +#define FE_INVALID 0x40 + FE_INVALID, + }; + +#define FE_ALL_EXCEPT \ + (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) + +/* The SH FPU supports two of the four defined rounding modes: round to nearest + and round to zero. We use again the bit positions in the FPU control word + as the values for the appropriate macros. */ +enum + { + __FE_UNDEFINED = -1, + + FE_TONEAREST = +#define FE_TONEAREST 0x0 + FE_TONEAREST, + FE_TOWARDZERO = +#define FE_TOWARDZERO 0x1 + FE_TOWARDZERO, + }; + + +/* Type representing exception flags. */ +typedef unsigned short int fexcept_t; + + +/* Type representing floating-point environment. This function corresponds + to the layout of the block written by the `fstenv'. */ +typedef struct + { + unsigned int __fpscr; + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1) + +#if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Type representing floating-point control modes. */ +typedef unsigned int femode_t; + +/* Default floating-point control modes. */ +# define FE_DFL_MODE ((const femode_t *) -1L) +#endif diff --git a/REORG.TODO/sysdeps/sh/bits/huge_val.h b/REORG.TODO/sysdeps/sh/bits/huge_val.h new file mode 100644 index 0000000000..aab7a23b17 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/bits/huge_val.h @@ -0,0 +1,54 @@ +/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). + Used by <stdlib.h> and <math.h> functions for overflow. + SH version. + Copyright (C) 1992-2017 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 _MATH_H +# error "Never use <bits/huge_val.h> directly; include <math.h> instead." +#endif + +/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ + +#if __GNUC_PREREQ(3,3) +# define HUGE_VAL (__builtin_huge_val()) +#elif __GNUC_PREREQ(2,96) +# define HUGE_VAL (__extension__ 0x1.0p2047) +#elif defined __GNUC__ + +# define HUGE_VAL \ + (__extension__ \ + ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ + { __l: 0x000000007ff00000ULL }).__d) + +#else /* not GCC */ + +# include <endian.h> + +typedef union { unsigned char __c[8]; double __d; } __huge_val_t; + +# if __BYTE_ORDER == __BIG_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } +# endif +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } +# endif + +static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; +# define HUGE_VAL (__huge_val.__d) + +#endif /* GCC. */ diff --git a/REORG.TODO/sysdeps/sh/bits/link.h b/REORG.TODO/sysdeps/sh/bits/link.h new file mode 100644 index 0000000000..0427ebc961 --- /dev/null +++ b/REORG.TODO/sysdeps/sh/bits/link.h @@ -0,0 +1,69 @@ +/* Copyright (C) 2005-2017 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 _LINK_H +# error "Never include <bits/link.h> directly; use <link.h> instead." +#endif + + +/* Registers for entry into PLT on SH. */ +typedef struct La_sh_regs +{ + uint32_t lr_r2; + uint32_t lr_r3; + uint32_t lr_r4; + uint32_t lr_r5; + uint32_t lr_r6; + uint32_t lr_r7; + uint32_t lr_fpscr; + float lr_fr4; + float lr_fr5; + float lr_fr6; + float lr_fr7; + float lr_fr8; + float lr_fr9; + float lr_fr10; + float lr_fr11; +} La_sh_regs; + +/* Return values for calls from PLT on SH. */ +typedef struct La_sh_retval +{ + uint32_t lrv_r0; + uint32_t lrv_r1; + float lrv_fr0; + float lrv_fr1; +} La_sh_retval; + + +__BEGIN_DECLS + +extern Elf32_Addr la_sh_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_sh_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); +extern unsigned int la_sh_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_sh_regs *__inregs, + La_sh_retval *__outregs, + const char *__symname); + +__END_DECLS diff --git a/REORG.TODO/sysdeps/sh/bits/setjmp.h b/REORG.TODO/sysdeps/sh/bits/setjmp.h new file mode 100644 index 0000000000..11617d7c8a --- /dev/null +++ b/REORG.TODO/sysdeps/sh/bits/setjmp.h @@ -0,0 +1,46 @@ +/* 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/>. */ + +/* Define the machine-dependent type `jmp_buf'. SH version. */ +#ifndef _BITS_SETJMP_H +#define _BITS_SETJMP_H 1 + +#if !defined _SETJMP_H && !defined _PTHREAD_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM +typedef struct __jmp_buf_internal_tag + { + /* Callee-saved registers r8 through r15. */ + int __regs[8]; + + /* Program counter. */ + void * __pc; + + /* The global pointer. */ + void * __gbr; + + /* Floating point status register. */ + int __fpscr; + + /* Callee-saved floating point registers fr12 through fr15. */ + int __fpregs[4]; + } __jmp_buf[1]; +#endif + +#endif /* bits/setjmp.h */ |