diff options
Diffstat (limited to 'sysdeps/aarch64/bits')
| -rw-r--r-- | sysdeps/aarch64/bits/atomic.h | 171 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/endian.h | 30 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/fenv.h | 74 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/link.h | 60 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/linkmap.h | 23 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/mathdef.h | 39 | ||||
| -rw-r--r-- | sysdeps/aarch64/bits/setjmp.h | 33 |
7 files changed, 430 insertions, 0 deletions
diff --git a/sysdeps/aarch64/bits/atomic.h b/sysdeps/aarch64/bits/atomic.h new file mode 100644 index 0000000000..456e2ecdff --- /dev/null +++ b/sysdeps/aarch64/bits/atomic.h @@ -0,0 +1,171 @@ +/* Copyright (C) 2003-2014 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 _AARCH64_BITS_ATOMIC_H +#define _AARCH64_BITS_ATOMIC_H 1 + +#include <stdint.h> + +typedef int8_t atomic8_t; +typedef int16_t atomic16_t; +typedef int32_t atomic32_t; +typedef int64_t atomic64_t; + +typedef uint8_t uatomic8_t; +typedef uint16_t uatomic16_t; +typedef uint32_t uatomic32_t; +typedef uint64_t uatomic64_t; + +typedef intptr_t atomicptr_t; +typedef uintptr_t uatomicptr_t; +typedef intmax_t atomic_max_t; +typedef uintmax_t uatomic_max_t; + + +/* Compare and exchange. + For all "bool" routines, we return FALSE if exchange succesful. */ + +# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + }) + +# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + }) + +# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + }) + +# define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + }) + +# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + __oldval; \ + }) + +# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + __oldval; \ + }) + +# define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + __oldval; \ + }) + +# define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \ + ({ \ + typeof (*mem) __oldval = (oldval); \ + __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \ + model, __ATOMIC_RELAXED); \ + __oldval; \ + }) + + +/* Compare and exchange with "acquire" semantics, ie barrier after. */ + +# define atomic_compare_and_exchange_bool_acq(mem, new, old) \ + __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \ + mem, new, old, __ATOMIC_ACQUIRE) + +# define atomic_compare_and_exchange_val_acq(mem, new, old) \ + __atomic_val_bysize (__arch_compare_and_exchange_val, int, \ + mem, new, old, __ATOMIC_ACQUIRE) + +/* Compare and exchange with "release" semantics, ie barrier before. */ + +# define atomic_compare_and_exchange_bool_rel(mem, new, old) \ + __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \ + mem, new, old, __ATOMIC_RELEASE) + +# define atomic_compare_and_exchange_val_rel(mem, new, old) \ + __atomic_val_bysize (__arch_compare_and_exchange_val, int, \ + mem, new, old, __ATOMIC_RELEASE) + + +/* Atomic exchange (without compare). */ + +# define __arch_exchange_8_int(mem, newval, model) \ + __atomic_exchange_n (mem, newval, model) + +# define __arch_exchange_16_int(mem, newval, model) \ + __atomic_exchange_n (mem, newval, model) + +# define __arch_exchange_32_int(mem, newval, model) \ + __atomic_exchange_n (mem, newval, model) + +# define __arch_exchange_64_int(mem, newval, model) \ + __atomic_exchange_n (mem, newval, model) + +# define atomic_exchange_acq(mem, value) \ + __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE) + +# define atomic_exchange_rel(mem, value) \ + __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE) + + +/* Atomically add value and return the previous (unincremented) value. */ + +# define __arch_exchange_and_add_8_int(mem, value, model) \ + __atomic_fetch_add (mem, value, model) + +# define __arch_exchange_and_add_16_int(mem, value, model) \ + __atomic_fetch_add (mem, value, model) + +# define __arch_exchange_and_add_32_int(mem, value, model) \ + __atomic_fetch_add (mem, value, model) + +# define __arch_exchange_and_add_64_int(mem, value, model) \ + __atomic_fetch_add (mem, value, model) + +# define atomic_exchange_and_add_acq(mem, value) \ + __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \ + __ATOMIC_ACQUIRE) + +# define atomic_exchange_and_add_rel(mem, value) \ + __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \ + __ATOMIC_RELEASE) + +/* Barrier macro. */ +#define atomic_full_barrier() __sync_synchronize() + +#endif diff --git a/sysdeps/aarch64/bits/endian.h b/sysdeps/aarch64/bits/endian.h new file mode 100644 index 0000000000..bafaba7011 --- /dev/null +++ b/sysdeps/aarch64/bits/endian.h @@ -0,0 +1,30 @@ +/* Copyright (C) 1997-2014 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 _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + +/* AArch64 can be either big or little endian. */ +#ifdef __AARCH64EB__ +# define __BYTE_ORDER __BIG_ENDIAN +#else +# define __BYTE_ORDER __LITTLE_ENDIAN +#endif + +#define __FLOAT_WORD_ORDER __BYTE_ORDER diff --git a/sysdeps/aarch64/bits/fenv.h b/sysdeps/aarch64/bits/fenv.h new file mode 100644 index 0000000000..8c884cbef4 --- /dev/null +++ b/sysdeps/aarch64/bits/fenv.h @@ -0,0 +1,74 @@ +/* Copyright (C) 2004-2014 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 exceptions in the FPSR status word. */ +enum + { + FE_INVALID = +#define FE_INVALID 1 + FE_INVALID, + FE_DIVBYZERO = +#define FE_DIVBYZERO 2 + FE_DIVBYZERO, + FE_OVERFLOW = +#define FE_OVERFLOW 4 + FE_OVERFLOW, + FE_UNDERFLOW = +#define FE_UNDERFLOW 8 + FE_UNDERFLOW, + FE_INEXACT = +#define FE_INEXACT 16 + FE_INEXACT, + }; + +/* Amount to shift by to convert an exception bit in FPSR to a an + exception bit mask in FPCR. */ +#define FE_EXCEPT_SHIFT 8 + +/* All supported exceptions. */ +#define FE_ALL_EXCEPT \ + (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT) + +/* Define bits representing rounding modes in the FPCR Rmode field. */ +#define FE_TONEAREST 0x000000 +#define FE_UPWARD 0x400000 +#define FE_DOWNWARD 0x800000 +#define FE_TOWARDZERO 0xc00000 + +/* Type representing exception flags. */ +typedef unsigned int fexcept_t; + +/* Type representing floating-point environment. */ +typedef struct + { + unsigned int __fpcr; + unsigned int __fpsr; + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((const fenv_t *) -1l) + +#ifdef __USE_GNU +/* Floating-point environment where none of the exceptions are masked. */ +# define FE_NOMASK_ENV ((const fenv_t *) -2) +#endif diff --git a/sysdeps/aarch64/bits/link.h b/sysdeps/aarch64/bits/link.h new file mode 100644 index 0000000000..fe068276ea --- /dev/null +++ b/sysdeps/aarch64/bits/link.h @@ -0,0 +1,60 @@ +/* Copyright (C) 2005-2014 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 AArch64. */ +typedef struct La_aarch64_regs +{ + uint64_t lr_xreg[8]; + uint64_t lr_dreg[8]; + uint64_t lr_sp; + uint64_t lr_lr; +} La_aarch64_regs; + +/* Return values for calls from PLT on AArch64. */ +typedef struct La_aarch64_retval +{ + /* Up to two integer registers can be used for a return value. */ + uint64_t lrv_xreg[2]; + /* Up to four D registers can be used for a return value. */ + uint64_t lrv_dreg[4]; + +} La_aarch64_retval; +__BEGIN_DECLS + +extern Elf64_Addr +la_aarch64_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_aarch64_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); + +extern unsigned int +la_aarch64_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_aarch64_regs *__inregs, + La_aarch64_retval *__outregs, + const char *__symname); + +__END_DECLS diff --git a/sysdeps/aarch64/bits/linkmap.h b/sysdeps/aarch64/bits/linkmap.h new file mode 100644 index 0000000000..96e79b153f --- /dev/null +++ b/sysdeps/aarch64/bits/linkmap.h @@ -0,0 +1,23 @@ +/* Copyright (C) 2009-2014 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/>. */ + +struct link_map_machine +{ + ElfW(Addr) plt; /* Address of .plt */ + void *tlsdesc_table; /* Address of TLS descriptor hash table. */ +}; diff --git a/sysdeps/aarch64/bits/mathdef.h b/sysdeps/aarch64/bits/mathdef.h new file mode 100644 index 0000000000..eb0a82559c --- /dev/null +++ b/sysdeps/aarch64/bits/mathdef.h @@ -0,0 +1,39 @@ +/* Copyright (C) 1999-2014 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/>. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +/* GCC does not promote `float' values to `double'. */ +typedef float float_t; /* `float' expressions are evaluated as + `float'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647) +# define FP_ILOGBNAN (2147483647) + +# define FP_FAST_FMA 1 +# define FP_FAST_FMAF 1 + +#endif /* ISO C99 */ diff --git a/sysdeps/aarch64/bits/setjmp.h b/sysdeps/aarch64/bits/setjmp.h new file mode 100644 index 0000000000..e0a3d6073b --- /dev/null +++ b/sysdeps/aarch64/bits/setjmp.h @@ -0,0 +1,33 @@ +/* Copyright (C) 1997-2014 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 _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 +/* Jump buffer contains: + x19-x28, x29(fp), x30(lr), (x31)sp, d8-d15. Other registers are not + saved. */ +__extension__ typedef unsigned long long __jmp_buf [22]; + +#endif +#endif |