diff options
Diffstat (limited to 'include/lib/libc')
32 files changed, 2482 insertions, 0 deletions
diff --git a/include/lib/libc/aarch32/endian_.h b/include/lib/libc/aarch32/endian_.h new file mode 100644 index 0000000..0cf2c75 --- /dev/null +++ b/include/lib/libc/aarch32/endian_.h @@ -0,0 +1,146 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2001 David E. O'Brien + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)endian.h 8.1 (Berkeley) 6/10/93 + * $NetBSD: endian.h,v 1.7 1999/08/21 05:53:51 simonb Exp $ + * $FreeBSD$ + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef ENDIAN__H +#define ENDIAN__H + +#include <stdint.h> + +/* + * Definitions for byte order, according to byte significance from low + * address to high. + */ +#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ +#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ +#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ + +#ifdef __ARMEB__ +#define _BYTE_ORDER _BIG_ENDIAN +#else +#define _BYTE_ORDER _LITTLE_ENDIAN +#endif /* __ARMEB__ */ + +#if __BSD_VISIBLE +#define LITTLE_ENDIAN _LITTLE_ENDIAN +#define BIG_ENDIAN _BIG_ENDIAN +#define PDP_ENDIAN _PDP_ENDIAN +#define BYTE_ORDER _BYTE_ORDER +#endif + +#ifdef __ARMEB__ +#define _QUAD_HIGHWORD 0 +#define _QUAD_LOWWORD 1 +#define __ntohl(x) ((uint32_t)(x)) +#define __ntohs(x) ((uint16_t)(x)) +#define __htonl(x) ((uint32_t)(x)) +#define __htons(x) ((uint16_t)(x)) +#else +#define _QUAD_HIGHWORD 1 +#define _QUAD_LOWWORD 0 +#define __ntohl(x) (__bswap32(x)) +#define __ntohs(x) (__bswap16(x)) +#define __htonl(x) (__bswap32(x)) +#define __htons(x) (__bswap16(x)) +#endif /* __ARMEB__ */ + +static __inline uint64_t +__bswap64(uint64_t _x) +{ + + return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) | + ((_x >> 8) & 0xff000000) | ((_x << 8) & ((uint64_t)0xff << 32)) | + ((_x << 24) & ((uint64_t)0xff << 40)) | + ((_x << 40) & ((uint64_t)0xff << 48)) | ((_x << 56))); +} + +static __inline uint32_t +__bswap32_var(uint32_t v) +{ + uint32_t t1; + + __asm __volatile("eor %1, %0, %0, ror #16\n" + "bic %1, %1, #0x00ff0000\n" + "mov %0, %0, ror #8\n" + "eor %0, %0, %1, lsr #8\n" + : "+r" (v), "=r" (t1)); + + return (v); +} + +static __inline uint16_t +__bswap16_var(uint16_t v) +{ + uint32_t ret = v & 0xffff; + + __asm __volatile( + "mov %0, %0, ror #8\n" + "orr %0, %0, %0, lsr #16\n" + "bic %0, %0, %0, lsl #16" + : "+r" (ret)); + + return ((uint16_t)ret); +} + +#ifdef __OPTIMIZE__ + +#define __bswap32_constant(x) \ + ((((x) & 0xff000000U) >> 24) | \ + (((x) & 0x00ff0000U) >> 8) | \ + (((x) & 0x0000ff00U) << 8) | \ + (((x) & 0x000000ffU) << 24)) + +#define __bswap16_constant(x) \ + ((((x) & 0xff00) >> 8) | \ + (((x) & 0x00ff) << 8)) + +#define __bswap16(x) \ + ((uint16_t)(__builtin_constant_p(x) ? \ + __bswap16_constant(x) : \ + __bswap16_var(x))) + +#define __bswap32(x) \ + ((uint32_t)(__builtin_constant_p(x) ? \ + __bswap32_constant(x) : \ + __bswap32_var(x))) + +#else +#define __bswap16(x) __bswap16_var(x) +#define __bswap32(x) __bswap32_var(x) + +#endif /* __OPTIMIZE__ */ +#endif /* ENDIAN__H */ diff --git a/include/lib/libc/aarch32/float.h b/include/lib/libc/aarch32/float.h new file mode 100644 index 0000000..857d76e --- /dev/null +++ b/include/lib/libc/aarch32/float.h @@ -0,0 +1,100 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)float.h 7.1 (Berkeley) 5/8/90 + * $FreeBSD$ + */ + +#ifndef _MACHINE_FLOAT_H_ +#define _MACHINE_FLOAT_H_ 1 + +#include <sys/cdefs.h> + +__BEGIN_DECLS +extern int __flt_rounds(void); +__END_DECLS + +#define FLT_RADIX 2 /* b */ +#ifndef _ARM_HARD_FLOAT +#define FLT_ROUNDS __flt_rounds() +#else +#define FLT_ROUNDS (-1) +#endif +#if __ISO_C_VISIBLE >= 1999 +#define FLT_EVAL_METHOD 0 +#define DECIMAL_DIG 17 /* max precision in decimal digits */ +#endif + +#define FLT_MANT_DIG 24 /* p */ +#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ +#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ +#define FLT_MIN_EXP (-125) /* emin */ +#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ +#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ +#define FLT_MAX_EXP 128 /* emax */ +#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ +#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ +#if __ISO_C_VISIBLE >= 2011 +#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ +#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ +#define FLT_HAS_SUBNORM 1 +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#define DBL_MANT_DIG 53 +#define DBL_EPSILON 2.2204460492503131E-16 +#define DBL_DIG 15 +#define DBL_MIN_EXP (-1021) +#define DBL_MIN 2.2250738585072014E-308 +#define DBL_MIN_10_EXP (-307) +#define DBL_MAX_EXP 1024 +#define DBL_MAX 1.7976931348623157E+308 +#define DBL_MAX_10_EXP 308 +#if __ISO_C_VISIBLE >= 2011 +#define DBL_TRUE_MIN 4.9406564584124654E-324 +#define DBL_DECIMAL_DIG 17 +#define DBL_HAS_SUBNORM 1 +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#define LDBL_MANT_DIG DBL_MANT_DIG +#define LDBL_EPSILON ((long double)DBL_EPSILON) +#define LDBL_DIG DBL_DIG +#define LDBL_MIN_EXP DBL_MIN_EXP +#define LDBL_MIN ((long double)DBL_MIN) +#define LDBL_MIN_10_EXP DBL_MIN_10_EXP +#define LDBL_MAX_EXP DBL_MAX_EXP +#define LDBL_MAX ((long double)DBL_MAX) +#define LDBL_MAX_10_EXP DBL_MAX_10_EXP +#if __ISO_C_VISIBLE >= 2011 +#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN) +#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG +#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#endif /* _MACHINE_FLOAT_H_ */ diff --git a/include/lib/libc/aarch32/inttypes_.h b/include/lib/libc/aarch32/inttypes_.h new file mode 100644 index 0000000..ef3fb8f --- /dev/null +++ b/include/lib/libc/aarch32/inttypes_.h @@ -0,0 +1,28 @@ +/* + * Copyright 2020 Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef INTTYPES__H +#define INTTYPES__H + +#define PRId64 "lld" /* int64_t */ +#define PRIi64 "lli" /* int64_t */ +#define PRIo64 "llo" /* int64_t */ +#define PRIu64 "llu" /* uint64_t */ +#define PRIx64 "llx" /* uint64_t */ +#define PRIX64 "llX" /* uint64_t */ + +#define PRIdPTR "d" /* intptr_t */ +#define PRIiPTR "i" /* intptr_t */ +#define PRIoPTR "o" /* intptr_t */ +#define PRIuPTR "u" /* uintptr_t */ +#define PRIxPTR "x" /* uintptr_t */ +#define PRIXPTR "X" /* uintptr_t */ + +#endif /* INTTYPES__H */ diff --git a/include/lib/libc/aarch32/limits_.h b/include/lib/libc/aarch32/limits_.h new file mode 100644 index 0000000..26cec17 --- /dev/null +++ b/include/lib/libc/aarch32/limits_.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#define SCHAR_MAX 0x7F +#define SCHAR_MIN (-SCHAR_MIN - 1) +#define CHAR_MAX 0x7F +#define CHAR_MIN (-CHAR_MAX - 1) +#define UCHAR_MAX 0xFFU +#define SHRT_MAX 0x7FFF +#define SHRT_MIN (-SHRT_MAX - 1) +#define USHRT_MAX 0xFFFFU +#define INT_MAX 0x7FFFFFFF +#define INT_MIN (-INT_MAX - 1) +#define UINT_MAX 0xFFFFFFFFU +#define LONG_MAX 0x7FFFFFFFL +#define LONG_MIN (-LONG_MAX - 1L) +#define ULONG_MAX 0xFFFFFFFFUL +#define LLONG_MAX 0x7FFFFFFFFFFFFFFFLL +#define LLONG_MIN (-LLONG_MAX - 1LL) +#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL + +#define __LONG_BIT 32 +#define __WORD_BIT 32 diff --git a/include/lib/libc/aarch32/stddef_.h b/include/lib/libc/aarch32/stddef_.h new file mode 100644 index 0000000..36dc20b --- /dev/null +++ b/include/lib/libc/aarch32/stddef_.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STDDEF__H +#define STDDEF__H + +#ifndef SIZET_ +typedef unsigned int size_t; +#define SIZET_ +#endif + +#endif /* STDDEF__H */ diff --git a/include/lib/libc/aarch32/stdint_.h b/include/lib/libc/aarch32/stdint_.h new file mode 100644 index 0000000..dafe142 --- /dev/null +++ b/include/lib/libc/aarch32/stdint_.h @@ -0,0 +1,28 @@ +/* + * Copyright 2020 Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDINT__H +#define STDINT__H + +#define INT64_MAX LLONG_MAX +#define INT64_MIN LLONG_MIN +#define UINT64_MAX ULLONG_MAX + +#define INT64_C(x) x ## LL +#define UINT64_C(x) x ## ULL + +typedef long long int64_t; +typedef unsigned long long uint64_t; +typedef long long int64_least_t; +typedef unsigned long long uint64_least_t; +typedef long long int64_fast_t; +typedef unsigned long long uint64_fast_t; + +#endif diff --git a/include/lib/libc/aarch32/stdio_.h b/include/lib/libc/aarch32/stdio_.h new file mode 100644 index 0000000..5e49425 --- /dev/null +++ b/include/lib/libc/aarch32/stdio_.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STDIO__H +#define STDIO__H + +#ifndef SSIZET_ +typedef int ssize_t; +#define SSIZET_ +#endif + +#endif /* STDIO__H */ diff --git a/include/lib/libc/aarch64/endian_.h b/include/lib/libc/aarch64/endian_.h new file mode 100644 index 0000000..7c79fd4 --- /dev/null +++ b/include/lib/libc/aarch64/endian_.h @@ -0,0 +1,128 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2001 David E. O'Brien + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)endian.h 8.1 (Berkeley) 6/10/93 + * $NetBSD: endian.h,v 1.7 1999/08/21 05:53:51 simonb Exp $ + * $FreeBSD$ + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef ENDIAN__H +#define ENDIAN__H + +#include <stdint.h> + +/* + * Definitions for byte order, according to byte significance from low + * address to high. + */ +#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ +#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ +#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ + +#define _BYTE_ORDER _LITTLE_ENDIAN + +#if __BSD_VISIBLE +#define LITTLE_ENDIAN _LITTLE_ENDIAN +#define BIG_ENDIAN _BIG_ENDIAN +#define PDP_ENDIAN _PDP_ENDIAN +#define BYTE_ORDER _BYTE_ORDER +#endif + +#define _QUAD_HIGHWORD 1 +#define _QUAD_LOWWORD 0 +#define __ntohl(x) (__bswap32(x)) +#define __ntohs(x) (__bswap16(x)) +#define __htonl(x) (__bswap32(x)) +#define __htons(x) (__bswap16(x)) + +static __inline uint64_t +__bswap64(uint64_t x) +{ + uint64_t ret; + + __asm __volatile("rev %0, %1\n" + : "=&r" (ret), "+r" (x)); + + return (ret); +} + +static __inline uint32_t +__bswap32_var(uint32_t v) +{ + uint32_t ret; + + __asm __volatile("rev32 %x0, %x1\n" + : "=&r" (ret), "+r" (v)); + + return (ret); +} + +static __inline uint16_t +__bswap16_var(uint16_t v) +{ + uint32_t ret; + + __asm __volatile("rev16 %w0, %w1\n" + : "=&r" (ret), "+r" (v)); + + return ((uint16_t)ret); +} + +#ifdef __OPTIMIZE__ + +#define __bswap32_constant(x) \ + ((((x) & 0xff000000U) >> 24) | \ + (((x) & 0x00ff0000U) >> 8) | \ + (((x) & 0x0000ff00U) << 8) | \ + (((x) & 0x000000ffU) << 24)) + +#define __bswap16_constant(x) \ + ((((x) & 0xff00) >> 8) | \ + (((x) & 0x00ff) << 8)) + +#define __bswap16(x) \ + ((uint16_t)(__builtin_constant_p(x) ? \ + __bswap16_constant((uint16_t)(x)) : \ + __bswap16_var(x))) + +#define __bswap32(x) \ + ((uint32_t)(__builtin_constant_p(x) ? \ + __bswap32_constant((uint32_t)(x)) : \ + __bswap32_var(x))) + +#else +#define __bswap16(x) __bswap16_var(x) +#define __bswap32(x) __bswap32_var(x) + +#endif /* __OPTIMIZE__ */ +#endif /* ENDIAN__H */ diff --git a/include/lib/libc/aarch64/float.h b/include/lib/libc/aarch64/float.h new file mode 100644 index 0000000..0829f6f --- /dev/null +++ b/include/lib/libc/aarch64/float.h @@ -0,0 +1,94 @@ +/*- + * Copyright (c) 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)float.h 7.1 (Berkeley) 5/8/90 + * $FreeBSD$ + */ + +#ifndef _MACHINE_FLOAT_H_ +#define _MACHINE_FLOAT_H_ + +#include <sys/cdefs.h> + +__BEGIN_DECLS +extern int __flt_rounds(void); +__END_DECLS + +#define FLT_RADIX 2 /* b */ +#define FLT_ROUNDS __flt_rounds() +#if __ISO_C_VISIBLE >= 1999 +#define FLT_EVAL_METHOD 0 +#define DECIMAL_DIG 17 /* max precision in decimal digits */ +#endif + +#define FLT_MANT_DIG 24 /* p */ +#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ +#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ +#define FLT_MIN_EXP (-125) /* emin */ +#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ +#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ +#define FLT_MAX_EXP 128 /* emax */ +#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ +#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ +#if __ISO_C_VISIBLE >= 2011 +#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ +#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ +#define FLT_HAS_SUBNORM 1 +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#define DBL_MANT_DIG 53 +#define DBL_EPSILON 2.2204460492503131E-16 +#define DBL_DIG 15 +#define DBL_MIN_EXP (-1021) +#define DBL_MIN 2.2250738585072014E-308 +#define DBL_MIN_10_EXP (-307) +#define DBL_MAX_EXP 1024 +#define DBL_MAX 1.7976931348623157E+308 +#define DBL_MAX_10_EXP 308 +#if __ISO_C_VISIBLE >= 2011 +#define DBL_TRUE_MIN 4.9406564584124654E-324 +#define DBL_DECIMAL_DIG 17 +#define DBL_HAS_SUBNORM 1 +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#define LDBL_MANT_DIG 113 +#define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L +#define LDBL_DIG 33 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MIN 3.362103143112093506262677817321752603E-4932L +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_EXP (+16384) +#define LDBL_MAX 1.189731495357231765085759326628007016E+4932L +#define LDBL_MAX_10_EXP (+4932) +#if __ISO_C_VISIBLE >= 2011 +#define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L +#define LDBL_DECIMAL_DIG 36 +#define LDBL_HAS_SUBNORM 1 +#endif /* __ISO_C_VISIBLE >= 2011 */ + +#endif /* _MACHINE_FLOAT_H_ */ diff --git a/include/lib/libc/aarch64/inttypes_.h b/include/lib/libc/aarch64/inttypes_.h new file mode 100644 index 0000000..f25882f --- /dev/null +++ b/include/lib/libc/aarch64/inttypes_.h @@ -0,0 +1,28 @@ +/* + * Copyright 2020 Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef INTTYPES__H +#define INTTYPES__H + +#define PRId64 "ld" /* int64_t */ +#define PRIi64 "li" /* int64_t */ +#define PRIo64 "lo" /* int64_t */ +#define PRIu64 "lu" /* uint64_t */ +#define PRIx64 "lx" /* uint64_t */ +#define PRIX64 "lX" /* uint64_t */ + +#define PRIdPTR "ld" /* intptr_t */ +#define PRIiPTR "li" /* intptr_t */ +#define PRIoPTR "lo" /* intptr_t */ +#define PRIuPTR "lu" /* uintptr_t */ +#define PRIxPTR "lx" /* uintptr_t */ +#define PRIXPTR "lX" /* uintptr_t */ + +#endif /* INTTYPES__H */ diff --git a/include/lib/libc/aarch64/limits_.h b/include/lib/libc/aarch64/limits_.h new file mode 100644 index 0000000..e36cfe7 --- /dev/null +++ b/include/lib/libc/aarch64/limits_.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#define SCHAR_MAX 0x7F +#define SCHAR_MIN (-SCHAR_MIN - 1) +#define CHAR_MAX 0x7F +#define CHAR_MIN (-CHAR_MAX - 1) +#define UCHAR_MAX 0xFFU +#define SHRT_MAX 0x7FFF +#define SHRT_MIN (-SHRT_MAX - 1) +#define USHRT_MAX 0xFFFFU +#define INT_MAX 0x7FFFFFFF +#define INT_MIN (-INT_MAX - 1) +#define UINT_MAX 0xFFFFFFFFU +#define LONG_MAX 0x7FFFFFFFFFFFFFFFL +#define LONG_MIN (-LONG_MAX - 1L) +#define ULONG_MAX 0xFFFFFFFFFFFFFFFFUL +#define LLONG_MAX 0x7FFFFFFFFFFFFFFFLL +#define LLONG_MIN (-LLONG_MAX - 1LL) +#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL + +#define __LONG_BIT 64 +#define __WORD_BIT 32 diff --git a/include/lib/libc/aarch64/setjmp_.h b/include/lib/libc/aarch64/setjmp_.h new file mode 100644 index 0000000..f880a17 --- /dev/null +++ b/include/lib/libc/aarch64/setjmp_.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SETJMP__H +#define SETJMP__H + +#define JMP_CTX_X19 0x0 +#define JMP_CTX_X21 0x10 +#define JMP_CTX_X23 0x20 +#define JMP_CTX_X25 0x30 +#define JMP_CTX_X27 0x40 +#define JMP_CTX_X29 0x50 +#define JMP_CTX_SP 0x60 +#define JMP_CTX_END 0x70 /* Aligned to 16 bytes */ + +#define JMP_SIZE (JMP_CTX_END >> 3) + +#ifndef __ASSEMBLER__ + +#include <cdefs.h> + +/* Jump buffer hosting x18 - x30 and sp_el0 registers */ +typedef uint64_t jmp_buf[JMP_SIZE] __aligned(16); + +#endif /* __ASSEMBLER__ */ + +#endif /* SETJMP__H */ diff --git a/include/lib/libc/aarch64/stddef_.h b/include/lib/libc/aarch64/stddef_.h new file mode 100644 index 0000000..6ecc606 --- /dev/null +++ b/include/lib/libc/aarch64/stddef_.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STDDEF__H +#define STDDEF__H + +#ifndef SIZET_ +typedef unsigned long size_t; +#define SIZET_ +#endif + +#endif /* STDDEF__H */ diff --git a/include/lib/libc/aarch64/stdint_.h b/include/lib/libc/aarch64/stdint_.h new file mode 100644 index 0000000..56e9f1b --- /dev/null +++ b/include/lib/libc/aarch64/stdint_.h @@ -0,0 +1,31 @@ +/* + * Copyright 2020 Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDINT__H +#define STDINT__H + +#define INT64_MAX LONG_MAX +#define INT64_MIN LONG_MIN +#define UINT64_MAX ULONG_MAX + +#define INT64_C(x) x ## L +#define UINT64_C(x) x ## UL + +typedef long int64_t; +typedef unsigned long uint64_t; +typedef long int64_least_t; +typedef unsigned long uint64_least_t; +typedef long int64_fast_t; +typedef unsigned long uint64_fast_t; + +typedef __int128 int128_t; +typedef unsigned __int128 uint128_t; + +#endif diff --git a/include/lib/libc/aarch64/stdio_.h b/include/lib/libc/aarch64/stdio_.h new file mode 100644 index 0000000..afaeadc --- /dev/null +++ b/include/lib/libc/aarch64/stdio_.h @@ -0,0 +1,15 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STDIO__H +#define STDIO__H + +#ifndef SSIZET_ +typedef long ssize_t; +#define SSIZET_ +#endif + +#endif /* STDIO__H */ diff --git a/include/lib/libc/arm_acle.h b/include/lib/libc/arm_acle.h new file mode 100644 index 0000000..eb08552 --- /dev/null +++ b/include/lib/libc/arm_acle.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2021 ARM Limited + * + * SPDX-License-Identifier: BSD-3-Clause + * + * The definitions below are a subset of what we would normally get by using + * the compiler's version of arm_acle.h. We can't use that directly because + * we specify -nostdinc in the Makefiles. + * + * We just define the functions we need so far. + */ + +#ifndef ARM_ACLE_H +#define ARM_ACLE_H + +#if !defined(__aarch64__) || defined(__clang__) +# define __crc32b __builtin_arm_crc32b +# define __crc32w __builtin_arm_crc32w +#else +# define __crc32b __builtin_aarch64_crc32b +# define __crc32w __builtin_aarch64_crc32w +#endif + +#endif /* ARM_ACLE_H */ diff --git a/include/lib/libc/assert.h b/include/lib/libc/assert.h new file mode 100644 index 0000000..462bb43 --- /dev/null +++ b/include/lib/libc/assert.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ASSERT_H +#define ASSERT_H + +#include <cdefs.h> + +#include <common/debug.h> + +#ifndef PLAT_LOG_LEVEL_ASSERT +#define PLAT_LOG_LEVEL_ASSERT LOG_LEVEL +#endif + +#if ENABLE_ASSERTIONS +# if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO +# define assert(e) ((e) ? (void)0 : __assert(__FILE__, __LINE__)) +# else +# define assert(e) ((e) ? (void)0 : __assert()) +# endif +#else +#define assert(e) ((void)0) +#endif /* ENABLE_ASSERTIONS */ + +#if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO +void __dead2 __assert(const char *file, unsigned int line); +#else +void __dead2 __assert(void); +#endif + +#endif /* ASSERT_H */ diff --git a/include/lib/libc/cdefs.h b/include/lib/libc/cdefs.h new file mode 100644 index 0000000..423f0db --- /dev/null +++ b/include/lib/libc/cdefs.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CDEFS_H +#define CDEFS_H + +#define __dead2 __attribute__((__noreturn__)) +#define __deprecated __attribute__((__deprecated__)) +#define __packed __attribute__((__packed__)) +#define __used __attribute__((__used__)) +#define __unused __attribute__((__unused__)) +#define __maybe_unused __attribute__((__unused__)) +#define __aligned(x) __attribute__((__aligned__(x))) +#define __section(x) __attribute__((__section__(x))) +#if RECLAIM_INIT_CODE +/* + * Add each function to a section that is unique so the functions can still + * be garbage collected + */ +#define __init __section(".text.init." __FILE__ "." __XSTRING(__LINE__)) +#else +#define __init +#endif + +#define __printflike(fmtarg, firstvararg) \ + __attribute__((__format__ (__printf__, fmtarg, firstvararg))) + +#define __weak_reference(sym, alias) \ + __asm__(".weak alias"); \ + __asm__(".equ alias, sym") + +#define __STRING(x) #x +#define __XSTRING(x) __STRING(x) + +#endif /* CDEFS_H */ diff --git a/include/lib/libc/endian.h b/include/lib/libc/endian.h new file mode 100644 index 0000000..4100f57 --- /dev/null +++ b/include/lib/libc/endian.h @@ -0,0 +1,191 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef ENDIAN_H +#define ENDIAN_H + +#include <cdefs.h> +#include <stdint.h> +#include <endian_.h> + +/* + * General byte order swapping functions. + */ +#define bswap16(x) __bswap16(x) +#define bswap32(x) __bswap32(x) +#define bswap64(x) __bswap64(x) + +/* + * Host to big endian, host to little endian, big endian to host, and little + * endian to host byte order functions as detailed in byteorder(9). + */ +#if _BYTE_ORDER == _LITTLE_ENDIAN +#define htobe16(x) bswap16((x)) +#define htobe32(x) bswap32((x)) +#define htobe64(x) bswap64((x)) +#define htole16(x) ((uint16_t)(x)) +#define htole32(x) ((uint32_t)(x)) +#define htole64(x) ((uint64_t)(x)) + +#define be16toh(x) bswap16((x)) +#define be32toh(x) bswap32((x)) +#define be64toh(x) bswap64((x)) +#define le16toh(x) ((uint16_t)(x)) +#define le32toh(x) ((uint32_t)(x)) +#define le64toh(x) ((uint64_t)(x)) +#else /* _BYTE_ORDER != _LITTLE_ENDIAN */ +#define htobe16(x) ((uint16_t)(x)) +#define htobe32(x) ((uint32_t)(x)) +#define htobe64(x) ((uint64_t)(x)) +#define htole16(x) bswap16((x)) +#define htole32(x) bswap32((x)) +#define htole64(x) bswap64((x)) + +#define be16toh(x) ((uint16_t)(x)) +#define be32toh(x) ((uint32_t)(x)) +#define be64toh(x) ((uint64_t)(x)) +#define le16toh(x) bswap16((x)) +#define le32toh(x) bswap32((x)) +#define le64toh(x) bswap64((x)) +#endif /* _BYTE_ORDER == _LITTLE_ENDIAN */ + +/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */ + +static __inline uint16_t +be16dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return ((p[0] << 8) | p[1]); +} + +static __inline uint32_t +be32dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); +} + +static __inline uint64_t +be64dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4)); +} + +static __inline uint16_t +le16dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return ((p[1] << 8) | p[0]); +} + +static __inline uint32_t +le32dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); +} + +static __inline uint64_t +le64dec(const void *pp) +{ + uint8_t const *p = (uint8_t const *)pp; + + return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p)); +} + +static __inline void +be16enc(void *pp, uint16_t u) +{ + uint8_t *p = (uint8_t *)pp; + + p[0] = (u >> 8) & 0xff; + p[1] = u & 0xff; +} + +static __inline void +be32enc(void *pp, uint32_t u) +{ + uint8_t *p = (uint8_t *)pp; + + p[0] = (u >> 24) & 0xff; + p[1] = (u >> 16) & 0xff; + p[2] = (u >> 8) & 0xff; + p[3] = u & 0xff; +} + +static __inline void +be64enc(void *pp, uint64_t u) +{ + uint8_t *p = (uint8_t *)pp; + + be32enc(p, (uint32_t)(u >> 32)); + be32enc(p + 4, (uint32_t)(u & 0xffffffffU)); +} + +static __inline void +le16enc(void *pp, uint16_t u) +{ + uint8_t *p = (uint8_t *)pp; + + p[0] = u & 0xff; + p[1] = (u >> 8) & 0xff; +} + +static __inline void +le32enc(void *pp, uint32_t u) +{ + uint8_t *p = (uint8_t *)pp; + + p[0] = u & 0xff; + p[1] = (u >> 8) & 0xff; + p[2] = (u >> 16) & 0xff; + p[3] = (u >> 24) & 0xff; +} + +static __inline void +le64enc(void *pp, uint64_t u) +{ + uint8_t *p = (uint8_t *)pp; + + le32enc(p, (uint32_t)(u & 0xffffffffU)); + le32enc(p + 4, (uint32_t)(u >> 32)); +} + +#endif /* ENDIAN_H */ diff --git a/include/lib/libc/errno.h b/include/lib/libc/errno.h new file mode 100644 index 0000000..029912f --- /dev/null +++ b/include/lib/libc/errno.h @@ -0,0 +1,169 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1982, 1986, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)errno.h 8.5 (Berkeley) 1/21/94 + * $FreeBSD$ + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef ERRNO_H +#define ERRNO_H + +#define EPERM 1 /* Operation not permitted */ +#define ENOENT 2 /* No such file or directory */ +#define ESRCH 3 /* No such process */ +#define EINTR 4 /* Interrupted system call */ +#define EIO 5 /* Input/output error */ +#define ENXIO 6 /* Device not configured */ +#define E2BIG 7 /* Argument list too long */ +#define ENOEXEC 8 /* Exec format error */ +#define EBADF 9 /* Bad file descriptor */ +#define ECHILD 10 /* No child processes */ +#define EDEADLK 11 /* Resource deadlock avoided */ + /* 11 was EAGAIN */ +#define ENOMEM 12 /* Cannot allocate memory */ +#define EACCES 13 /* Permission denied */ +#define EFAULT 14 /* Bad address */ +#define ENOTBLK 15 /* Block device required */ +#define EBUSY 16 /* Device busy */ +#define EEXIST 17 /* File exists */ +#define EXDEV 18 /* Cross-device link */ +#define ENODEV 19 /* Operation not supported by device */ +#define ENOTDIR 20 /* Not a directory */ +#define EISDIR 21 /* Is a directory */ +#define EINVAL 22 /* Invalid argument */ +#define ENFILE 23 /* Too many open files in system */ +#define EMFILE 24 /* Too many open files */ +#define ENOTTY 25 /* Inappropriate ioctl for device */ +#define ETXTBSY 26 /* Text file busy */ +#define EFBIG 27 /* File too large */ +#define ENOSPC 28 /* No space left on device */ +#define ESPIPE 29 /* Illegal seek */ +#define EROFS 30 /* Read-only filesystem */ +#define EMLINK 31 /* Too many links */ +#define EPIPE 32 /* Broken pipe */ + +/* math software */ +#define EDOM 33 /* Numerical argument out of domain */ +#define ERANGE 34 /* Result too large */ + +/* non-blocking and interrupt i/o */ +#define EAGAIN 35 /* Resource temporarily unavailable */ +#define EWOULDBLOCK EAGAIN /* Operation would block */ +#define EINPROGRESS 36 /* Operation now in progress */ +#define EALREADY 37 /* Operation already in progress */ + +/* ipc/network software -- argument errors */ +#define ENOTSOCK 38 /* Socket operation on non-socket */ +#define EDESTADDRREQ 39 /* Destination address required */ +#define EMSGSIZE 40 /* Message too long */ +#define EPROTOTYPE 41 /* Protocol wrong type for socket */ +#define ENOPROTOOPT 42 /* Protocol not available */ +#define EPROTONOSUPPORT 43 /* Protocol not supported */ +#define ESOCKTNOSUPPORT 44 /* Socket type not supported */ +#define EOPNOTSUPP 45 /* Operation not supported */ +#define ENOTSUP EOPNOTSUPP /* Operation not supported */ +#define EPFNOSUPPORT 46 /* Protocol family not supported */ +#define EAFNOSUPPORT 47 /* Address family not supported by protocol family */ +#define EADDRINUSE 48 /* Address already in use */ +#define EADDRNOTAVAIL 49 /* Can't assign requested address */ + +/* ipc/network software -- operational errors */ +#define ENETDOWN 50 /* Network is down */ +#define ENETUNREACH 51 /* Network is unreachable */ +#define ENETRESET 52 /* Network dropped connection on reset */ +#define ECONNABORTED 53 /* Software caused connection abort */ +#define ECONNRESET 54 /* Connection reset by peer */ +#define ENOBUFS 55 /* No buffer space available */ +#define EISCONN 56 /* Socket is already connected */ +#define ENOTCONN 57 /* Socket is not connected */ +#define ESHUTDOWN 58 /* Can't send after socket shutdown */ +#define ETOOMANYREFS 59 /* Too many references: can't splice */ +#define ETIMEDOUT 60 /* Operation timed out */ +#define ECONNREFUSED 61 /* Connection refused */ + +#define ELOOP 62 /* Too many levels of symbolic links */ +#define ENAMETOOLONG 63 /* File name too long */ + +/* should be rearranged */ +#define EHOSTDOWN 64 /* Host is down */ +#define EHOSTUNREACH 65 /* No route to host */ +#define ENOTEMPTY 66 /* Directory not empty */ + +/* quotas & mush */ +#define EPROCLIM 67 /* Too many processes */ +#define EUSERS 68 /* Too many users */ +#define EDQUOT 69 /* Disc quota exceeded */ + +/* Network File System */ +#define ESTALE 70 /* Stale NFS file handle */ +#define EREMOTE 71 /* Too many levels of remote in path */ +#define EBADRPC 72 /* RPC struct is bad */ +#define ERPCMISMATCH 73 /* RPC version wrong */ +#define EPROGUNAVAIL 74 /* RPC prog. not avail */ +#define EPROGMISMATCH 75 /* Program version wrong */ +#define EPROCUNAVAIL 76 /* Bad procedure for program */ + +#define ENOLCK 77 /* No locks available */ +#define ENOSYS 78 /* Function not implemented */ + +#define EFTYPE 79 /* Inappropriate file type or format */ +#define EAUTH 80 /* Authentication error */ +#define ENEEDAUTH 81 /* Need authenticator */ +#define EIDRM 82 /* Identifier removed */ +#define ENOMSG 83 /* No message of desired type */ +#define EOVERFLOW 84 /* Value too large to be stored in data type */ +#define ECANCELED 85 /* Operation canceled */ +#define EILSEQ 86 /* Illegal byte sequence */ +#define ENOATTR 87 /* Attribute not found */ + +#define EDOOFUS 88 /* Programming error */ + +#define EBADMSG 89 /* Bad message */ +#define EMULTIHOP 90 /* Multihop attempted */ +#define ENOLINK 91 /* Link has been severed */ +#define EPROTO 92 /* Protocol error */ + +#define ENOTCAPABLE 93 /* Capabilities insufficient */ +#define ECAPMODE 94 /* Not permitted in capability mode */ +#define ENOTRECOVERABLE 95 /* State not recoverable */ +#define EOWNERDEAD 96 /* Previous owner died */ + +#define ELAST 96 /* Must be equal largest errno */ + +#endif /* ERRNO_H */ diff --git a/include/lib/libc/inttypes.h b/include/lib/libc/inttypes.h new file mode 100644 index 0000000..6ad1c9e --- /dev/null +++ b/include/lib/libc/inttypes.h @@ -0,0 +1,41 @@ +/* + * Copyright 2020 Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef INTTYPES_H +#define INTTYPES_H + +#include <inttypes_.h> +#include <stdint.h> + +#define PRId8 "d" /* int8_t */ +#define PRId16 "d" /* int16_t */ +#define PRId32 "d" /* int32_t */ + +#define PRIi8 "i" /* int8_t */ +#define PRIi16 "i" /* int16_t */ +#define PRIi32 "i" /* int32_t */ + +#define PRIo8 "o" /* int8_t */ +#define PRIo16 "o" /* int16_t */ +#define PRIo32 "o" /* int32_t */ + +#define PRIu8 "u" /* uint8_t */ +#define PRIu16 "u" /* uint16_t */ +#define PRIu32 "u" /* uint32_t */ + +#define PRIx8 "x" /* uint8_t */ +#define PRIx16 "x" /* uint16_t */ +#define PRIx32 "x" /* uint32_t */ + +#define PRIX8 "X" /* uint8_t */ +#define PRIX16 "X" /* uint16_t */ +#define PRIX32 "X" /* uint32_t */ + +#endif diff --git a/include/lib/libc/limits.h b/include/lib/libc/limits.h new file mode 100644 index 0000000..41bb658 --- /dev/null +++ b/include/lib/libc/limits.h @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef LIMITS_H +#define LIMITS_H + +#include <limits_.h> + +#define CHAR_BIT 8 +#define MB_LEN_MAX 1 + +#endif /* LIMITS_H */ diff --git a/include/lib/libc/setjmp.h b/include/lib/libc/setjmp.h new file mode 100644 index 0000000..be8e2c0 --- /dev/null +++ b/include/lib/libc/setjmp.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SETJMP_H +#define SETJMP_H + +#include <setjmp_.h> + +#ifndef __ASSEMBLER__ + +#include <cdefs.h> + +int setjmp(jmp_buf env); +__dead2 void longjmp(jmp_buf env, int val); + +#endif /* __ASSEMBLER__ */ +#endif /* SETJMP_H */ diff --git a/include/lib/libc/stdarg.h b/include/lib/libc/stdarg.h new file mode 100644 index 0000000..e260b9b --- /dev/null +++ b/include/lib/libc/stdarg.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDARG_H +#define STDARG_H + +#define va_list __builtin_va_list +#define va_start(ap, last) __builtin_va_start(ap, last) +#define va_end(ap) __builtin_va_end(ap) +#define va_copy(to, from) __builtin_va_copy(to, from) +#define va_arg(to, type) __builtin_va_arg(to, type) + +#endif /* STDARG_H */ diff --git a/include/lib/libc/stdbool.h b/include/lib/libc/stdbool.h new file mode 100644 index 0000000..b58334c --- /dev/null +++ b/include/lib/libc/stdbool.h @@ -0,0 +1,17 @@ +/* + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STDBOOL_H +#define STDBOOL_H + +#define bool _Bool + +#define true (0 < 1) +#define false (0 > 1) + +#define __bool_true_false_are_defined 1 + +#endif /* STDBOOL_H */ diff --git a/include/lib/libc/stddef.h b/include/lib/libc/stddef.h new file mode 100644 index 0000000..58a519e --- /dev/null +++ b/include/lib/libc/stddef.h @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2019, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDDEF_H +#define STDDEF_H + +#include <stddef_.h> + +#ifndef _PTRDIFF_T +typedef long ptrdiff_t; +#define _PTRDIFF_T +#endif + +#ifndef NULL +#define NULL ((void *) 0) +#endif + +#define offsetof(st, m) __builtin_offsetof(st, m) + +#endif /* STDDEF_H */ diff --git a/include/lib/libc/stdint.h b/include/lib/libc/stdint.h new file mode 100644 index 0000000..e96a25c --- /dev/null +++ b/include/lib/libc/stdint.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2019, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDINT_H +#define STDINT_H + +#include <limits.h> +#include <stdint_.h> + +#define INT8_MAX CHAR_MAX +#define INT8_MIN CHAR_MIN +#define UINT8_MAX UCHAR_MAX + +#define INT16_MAX SHRT_MAX +#define INT16_MIN SHRT_MIN +#define UINT16_MAX USHRT_MAX + +#define INT32_MAX INT_MAX +#define INT32_MIN INT_MIN +#define UINT32_MAX UINT_MAX + +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST8_MAX INT8_MAX +#define UINT_LEAST8_MAX UINT8_MAX + +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST16_MAX INT16_MAX +#define UINT_LEAST16_MAX UINT16_MAX + +#define INT_LEAST32_MIN INT32_MIN +#define INT_LEAST32_MAX INT32_MAX +#define UINT_LEAST32_MAX UINT32_MAX + +#define INT_LEAST64_MIN INT64_MIN +#define INT_LEAST64_MAX INT64_MAX +#define UINT_LEAST64_MAX UINT64_MAX + +#define INT_FAST8_MIN INT32_MIN +#define INT_FAST8_MAX INT32_MAX +#define UINT_FAST8_MAX UINT32_MAX + +#define INT_FAST16_MIN INT32_MIN +#define INT_FAST16_MAX INT32_MAX +#define UINT_FAST16_MAX UINT32_MAX + +#define INT_FAST32_MIN INT32_MIN +#define INT_FAST32_MAX INT32_MAX +#define UINT_FAST32_MAX UINT32_MAX + +#define INT_FAST64_MIN INT64_MIN +#define INT_FAST64_MAX INT64_MAX +#define UINT_FAST64_MAX UINT64_MAX + +#define INTPTR_MIN LONG_MIN +#define INTPTR_MAX LONG_MAX +#define UINTPTR_MAX ULONG_MAX + +#define INTMAX_MIN LLONG_MIN +#define INTMAX_MAX LLONG_MAX +#define UINTMAX_MAX ULLONG_MAX + +#define PTRDIFF_MIN LONG_MIN +#define PTRDIFF_MAX LONG_MAX + +#define SIZE_MAX ULONG_MAX + +#define INT8_C(x) x +#define INT16_C(x) x +#define INT32_C(x) x + +#define UINT8_C(x) x +#define UINT16_C(x) x +#define UINT32_C(x) x ## U + +#define INTMAX_C(x) x ## LL +#define UINTMAX_C(x) x ## ULL + +typedef signed char int8_t; +typedef short int16_t; +typedef int int32_t; + +typedef unsigned char uint8_t; +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; + +typedef signed char int8_least_t; +typedef short int16_least_t; +typedef int int32_least_t; + +typedef unsigned char uint8_least_t; +typedef unsigned short uint16_least_t; +typedef unsigned int uint32_least_t; + +typedef int int8_fast_t; +typedef int int16_fast_t; +typedef int int32_fast_t; + +typedef unsigned int uint8_fast_t; +typedef unsigned int uint16_fast_t; +typedef unsigned int uint32_fast_t; + +typedef long intptr_t; +typedef unsigned long uintptr_t; + +/* +* Conceptually, these are supposed to be the largest integers representable in C, +* but GCC and Clang define them as long long for compatibility. +*/ +typedef long long intmax_t; +typedef unsigned long long uintmax_t; + +typedef long register_t; +typedef unsigned long u_register_t; + +#endif /* STDINT_H */ diff --git a/include/lib/libc/stdio.h b/include/lib/libc/stdio.h new file mode 100644 index 0000000..ba13683 --- /dev/null +++ b/include/lib/libc/stdio.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2019, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDIO_H +#define STDIO_H + +#include <cdefs.h> +#include <stddef.h> +#include <stdio_.h> + +#define EOF -1 + +int printf(const char *fmt, ...) __printflike(1, 2); +int snprintf(char *s, size_t n, const char *fmt, ...) __printflike(3, 4); + +#ifdef STDARG_H +int vprintf(const char *fmt, va_list args); +int vsnprintf(char *s, size_t n, const char *fmt, va_list args); +#endif + +int putchar(int c); +int puts(const char *s); + +#endif /* STDIO_H */ diff --git a/include/lib/libc/stdlib.h b/include/lib/libc/stdlib.h new file mode 100644 index 0000000..4641e56 --- /dev/null +++ b/include/lib/libc/stdlib.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2012-2021 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2019, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STDLIB_H +#define STDLIB_H + +#include <stddef.h> + +#define EXIT_FAILURE 1 +#define EXIT_SUCCESS 0 + +#define _ATEXIT_MAX 1 + +#define isspace(x) (((x) == ' ') || ((x) == '\r') || ((x) == '\n') || \ + ((x) == '\t') || ((x) == '\b')) + +extern void abort(void); +extern int atexit(void (*func)(void)); +extern void exit(int status); + +long strtol(const char *nptr, char **endptr, int base); +unsigned long strtoul(const char *nptr, char **endptr, int base); +long long strtoll(const char *nptr, char **endptr, int base); +unsigned long long strtoull(const char *nptr, char **endptr, int base); +#endif /* STDLIB_H */ diff --git a/include/lib/libc/string.h b/include/lib/libc/string.h new file mode 100644 index 0000000..9894483 --- /dev/null +++ b/include/lib/libc/string.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2020, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef STRING_H +#define STRING_H + +#include <stddef.h> + +void *memcpy(void *dst, const void *src, size_t len); +void *memmove(void *dst, const void *src, size_t len); +int memcmp(const void *s1, const void *s2, size_t len); +int strcmp(const char *s1, const char *s2); +int strncmp(const char *s1, const char *s2, size_t n); +void *memchr(const void *src, int c, size_t len); +void *memrchr(const void *src, int c, size_t len); +char *strchr(const char *s, int c); +void *memset(void *dst, int val, size_t count); +size_t strlen(const char *s); +size_t strnlen(const char *s, size_t maxlen); +char *strrchr(const char *p, int ch); +size_t strlcpy(char * dst, const char * src, size_t dsize); +size_t strlcat(char * dst, const char * src, size_t dsize); +char *strtok_r(char *s, const char *delim, char **last); + +#endif /* STRING_H */ diff --git a/include/lib/libc/sys/cdefs.h b/include/lib/libc/sys/cdefs.h new file mode 100644 index 0000000..1ace5fb --- /dev/null +++ b/include/lib/libc/sys/cdefs.h @@ -0,0 +1,922 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Berkeley Software Design, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)cdefs.h 8.8 (Berkeley) 1/9/95 + * $FreeBSD$ + */ + +#ifndef _SYS_CDEFS_H_ +#define _SYS_CDEFS_H_ + +#if defined(_KERNEL) && defined(_STANDALONE) +#error "_KERNEL and _STANDALONE are mutually exclusive" +#endif + +/* + * Testing against Clang-specific extensions. + */ +#ifndef __has_attribute +#define __has_attribute(x) 0 +#endif +#ifndef __has_extension +#define __has_extension __has_feature +#endif +#ifndef __has_feature +#define __has_feature(x) 0 +#endif +#ifndef __has_include +#define __has_include(x) 0 +#endif +#ifndef __has_builtin +#define __has_builtin(x) 0 +#endif + +#if defined(__cplusplus) +#define __BEGIN_DECLS extern "C" { +#define __END_DECLS } +#else +#define __BEGIN_DECLS +#define __END_DECLS +#endif + +/* + * This code has been put in place to help reduce the addition of + * compiler specific defines in FreeBSD code. It helps to aid in + * having a compiler-agnostic source tree. + */ + +#if defined(__GNUC__) + +#if __GNUC__ >= 3 +#define __GNUCLIKE_ASM 3 +#define __GNUCLIKE_MATH_BUILTIN_CONSTANTS +#else +#define __GNUCLIKE_ASM 2 +#endif +#define __GNUCLIKE___TYPEOF 1 +#define __GNUCLIKE___SECTION 1 + +#define __GNUCLIKE_CTOR_SECTION_HANDLING 1 + +#define __GNUCLIKE_BUILTIN_CONSTANT_P 1 + +#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3) +#define __GNUCLIKE_BUILTIN_VARARGS 1 +#define __GNUCLIKE_BUILTIN_STDARG 1 +#define __GNUCLIKE_BUILTIN_VAALIST 1 +#endif + +#define __GNUC_VA_LIST_COMPATIBILITY 1 + +/* + * Compiler memory barriers, specific to gcc and clang. + */ +#define __compiler_membar() __asm __volatile(" " : : : "memory") + +#define __GNUCLIKE_BUILTIN_NEXT_ARG 1 +#define __GNUCLIKE_MATH_BUILTIN_RELOPS + +#define __GNUCLIKE_BUILTIN_MEMCPY 1 + +/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */ +#define __CC_SUPPORTS_INLINE 1 +#define __CC_SUPPORTS___INLINE 1 +#define __CC_SUPPORTS___INLINE__ 1 + +#define __CC_SUPPORTS___FUNC__ 1 +#define __CC_SUPPORTS_WARNING 1 + +#define __CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */ + +#define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1 + +#endif /* __GNUC__ */ + +/* + * Macro to test if we're using a specific version of gcc or later. + */ +#if defined(__GNUC__) +#define __GNUC_PREREQ__(ma, mi) \ + (__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi)) +#else +#define __GNUC_PREREQ__(ma, mi) 0 +#endif + +/* + * The __CONCAT macro is used to concatenate parts of symbol names, e.g. + * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. + * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI + * mode -- there must be no spaces between its arguments, and for nested + * __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also + * concatenate double-quoted strings produced by the __STRING macro, but + * this only works with ANSI C. + * + * __XSTRING is like __STRING, but it expands any macros in its argument + * first. It is only available with ANSI C. + */ +#if defined(__STDC__) || defined(__cplusplus) +#define __P(protos) protos /* full-blown ANSI C */ +#define __CONCAT1(x,y) x ## y +#define __CONCAT(x,y) __CONCAT1(x,y) +#define __STRING(x) #x /* stringify without expanding x */ +#define __XSTRING(x) __STRING(x) /* expand x, then stringify */ + +#define __const const /* define reserved names to standard */ +#define __signed signed +#define __volatile volatile +#if defined(__cplusplus) +#define __inline inline /* convert to C++ keyword */ +#else +#if !(defined(__CC_SUPPORTS___INLINE)) +#define __inline /* delete GCC keyword */ +#endif /* ! __CC_SUPPORTS___INLINE */ +#endif /* !__cplusplus */ + +#else /* !(__STDC__ || __cplusplus) */ +#define __P(protos) () /* traditional C preprocessor */ +#define __CONCAT(x,y) x/**/y +#define __STRING(x) "x" + +#if !defined(__CC_SUPPORTS___INLINE) +#define __const /* delete pseudo-ANSI C keywords */ +#define __inline +#define __signed +#define __volatile +/* + * In non-ANSI C environments, new programs will want ANSI-only C keywords + * deleted from the program and old programs will want them left alone. + * When using a compiler other than gcc, programs using the ANSI C keywords + * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. + * When using "gcc -traditional", we assume that this is the intent; if + * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. + */ +#ifndef NO_ANSI_KEYWORDS +#define const /* delete ANSI C keywords */ +#define inline +#define signed +#define volatile +#endif /* !NO_ANSI_KEYWORDS */ +#endif /* !__CC_SUPPORTS___INLINE */ +#endif /* !(__STDC__ || __cplusplus) */ + +/* + * Compiler-dependent macros to help declare dead (non-returning) and + * pure (no side effects) functions, and unused variables. They are + * null except for versions of gcc that are known to support the features + * properly (old versions of gcc-2 supported the dead and pure features + * in a different (wrong) way). If we do not provide an implementation + * for a given compiler, let the compile fail if it is told to use + * a feature that we cannot live without. + */ +#define __weak_symbol __attribute__((__weak__)) +#if !__GNUC_PREREQ__(2, 5) +#define __dead2 +#define __pure2 +#define __unused +#endif +#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 +#define __dead2 __attribute__((__noreturn__)) +#define __pure2 __attribute__((__const__)) +#define __unused +/* XXX Find out what to do for __packed, __aligned and __section */ +#endif +#if __GNUC_PREREQ__(2, 7) +#define __dead2 __attribute__((__noreturn__)) +#define __pure2 __attribute__((__const__)) +#define __unused __attribute__((__unused__)) +#define __used __attribute__((__used__)) +#define __packed __attribute__((__packed__)) +#define __aligned(x) __attribute__((__aligned__(x))) +#define __section(x) __attribute__((__section__(x))) +#endif +#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__) +#define __alloc_size(x) __attribute__((__alloc_size__(x))) +#define __alloc_size2(n, x) __attribute__((__alloc_size__(n, x))) +#else +#define __alloc_size(x) +#define __alloc_size2(n, x) +#endif +#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__) +#define __alloc_align(x) __attribute__((__alloc_align__(x))) +#else +#define __alloc_align(x) +#endif + +#if !__GNUC_PREREQ__(2, 95) +#define __alignof(x) __offsetof(struct { char __a; x __b; }, __b) +#endif + +/* + * Keywords added in C11. + */ + +#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L + +#if !__has_extension(c_alignas) +#if (defined(__cplusplus) && __cplusplus >= 201103L) || \ + __has_extension(cxx_alignas) +#define _Alignas(x) alignas(x) +#else +/* XXX: Only emulates _Alignas(constant-expression); not _Alignas(type-name). */ +#define _Alignas(x) __aligned(x) +#endif +#endif + +#if defined(__cplusplus) && __cplusplus >= 201103L +#define _Alignof(x) alignof(x) +#else +#define _Alignof(x) __alignof(x) +#endif + +#if !defined(__cplusplus) && !__has_extension(c_atomic) && \ + !__has_extension(cxx_atomic) && !__GNUC_PREREQ__(4, 7) +/* + * No native support for _Atomic(). Place object in structure to prevent + * most forms of direct non-atomic access. + */ +#define _Atomic(T) struct { T volatile __val; } +#endif + +#if defined(__cplusplus) && __cplusplus >= 201103L +#define _Noreturn [[noreturn]] +#else +#define _Noreturn __dead2 +#endif + +#if !__has_extension(c_static_assert) +#if (defined(__cplusplus) && __cplusplus >= 201103L) || \ + __has_extension(cxx_static_assert) +#define _Static_assert(x, y) static_assert(x, y) +#elif __GNUC_PREREQ__(4,6) && !defined(__cplusplus) +/* Nothing, gcc 4.6 and higher has _Static_assert built-in */ +#elif defined(__COUNTER__) +#define _Static_assert(x, y) __Static_assert(x, __COUNTER__) +#define __Static_assert(x, y) ___Static_assert(x, y) +#define ___Static_assert(x, y) typedef char __assert_ ## y[(x) ? 1 : -1] \ + __unused +#else +#define _Static_assert(x, y) struct __hack +#endif +#endif + +#if !__has_extension(c_thread_local) +/* + * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode + * without actually supporting the thread_local keyword. Don't check for + * the presence of C++11 when defining _Thread_local. + */ +#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \ + __has_extension(cxx_thread_local) +#define _Thread_local thread_local +#else +#define _Thread_local __thread +#endif +#endif + +#endif /* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */ + +/* + * Emulation of C11 _Generic(). Unlike the previously defined C11 + * keywords, it is not possible to implement this using exactly the same + * syntax. Therefore implement something similar under the name + * __generic(). Unlike _Generic(), this macro can only distinguish + * between a single type, so it requires nested invocations to + * distinguish multiple cases. + */ + +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \ + __has_extension(c_generic_selections) +#define __generic(expr, t, yes, no) \ + _Generic(expr, t: yes, default: no) +#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus) +#define __generic(expr, t, yes, no) \ + __builtin_choose_expr( \ + __builtin_types_compatible_p(__typeof(expr), t), yes, no) +#endif + +/* + * C99 Static array indices in function parameter declarations. Syntax such as: + * void bar(int myArray[static 10]); + * is allowed in C99 but not in C++. Define __min_size appropriately so + * headers using it can be compiled in either language. Use like this: + * void bar(int myArray[__min_size(10)]); + */ +#if !defined(__cplusplus) && \ + (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \ + (!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901)) +#define __min_size(x) static (x) +#else +#define __min_size(x) (x) +#endif + +#if __GNUC_PREREQ__(2, 96) +#define __malloc_like __attribute__((__malloc__)) +#define __pure __attribute__((__pure__)) +#else +#define __malloc_like +#define __pure +#endif + +#if __GNUC_PREREQ__(3, 1) +#define __always_inline __attribute__((__always_inline__)) +#else +#define __always_inline +#endif + +#if __GNUC_PREREQ__(3, 1) +#define __noinline __attribute__ ((__noinline__)) +#else +#define __noinline +#endif + +#if __GNUC_PREREQ__(3, 4) +#define __fastcall __attribute__((__fastcall__)) +#define __result_use_check __attribute__((__warn_unused_result__)) +#else +#define __fastcall +#define __result_use_check +#endif + +#if __GNUC_PREREQ__(4, 1) +#define __returns_twice __attribute__((__returns_twice__)) +#else +#define __returns_twice +#endif + +#if __GNUC_PREREQ__(4, 6) || __has_builtin(__builtin_unreachable) +#define __unreachable() __builtin_unreachable() +#else +#define __unreachable() ((void)0) +#endif + +/* XXX: should use `#if __STDC_VERSION__ < 199901'. */ +#if !__GNUC_PREREQ__(2, 7) +#define __func__ NULL +#endif + +#if (defined(__GNUC__) && __GNUC__ >= 2) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901 +#define __LONG_LONG_SUPPORTED +#endif + +/* C++11 exposes a load of C99 stuff */ +#if defined(__cplusplus) && __cplusplus >= 201103L +#define __LONG_LONG_SUPPORTED +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS +#endif +#ifndef __STDC_CONSTANT_MACROS +#define __STDC_CONSTANT_MACROS +#endif +#endif + +/* + * GCC 2.95 provides `__restrict' as an extension to C90 to support the + * C99-specific `restrict' type qualifier. We happen to use `__restrict' as + * a way to define the `restrict' type qualifier without disturbing older + * software that is unaware of C99 keywords. + */ +#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95) +#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901 +#define __restrict +#else +#define __restrict restrict +#endif +#endif + +/* + * GNU C version 2.96 adds explicit branch prediction so that + * the CPU back-end can hint the processor and also so that + * code blocks can be reordered such that the predicted path + * sees a more linear flow, thus improving cache behavior, etc. + * + * The following two macros provide us with a way to utilize this + * compiler feature. Use __predict_true() if you expect the expression + * to evaluate to true, and __predict_false() if you expect the + * expression to evaluate to false. + * + * A few notes about usage: + * + * * Generally, __predict_false() error condition checks (unless + * you have some _strong_ reason to do otherwise, in which case + * document it), and/or __predict_true() `no-error' condition + * checks, assuming you want to optimize for the no-error case. + * + * * Other than that, if you don't know the likelihood of a test + * succeeding from empirical or other `hard' evidence, don't + * make predictions. + * + * * These are meant to be used in places that are run `a lot'. + * It is wasteful to make predictions in code that is run + * seldomly (e.g. at subsystem initialization time) as the + * basic block reordering that this affects can often generate + * larger code. + */ +#if __GNUC_PREREQ__(2, 96) +#define __predict_true(exp) __builtin_expect((exp), 1) +#define __predict_false(exp) __builtin_expect((exp), 0) +#else +#define __predict_true(exp) (exp) +#define __predict_false(exp) (exp) +#endif + +#if __GNUC_PREREQ__(4, 0) +#define __null_sentinel __attribute__((__sentinel__)) +#define __exported __attribute__((__visibility__("default"))) +#define __hidden __attribute__((__visibility__("hidden"))) +#else +#define __null_sentinel +#define __exported +#define __hidden +#endif + +/* + * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h> + * require it. + */ +#if __GNUC_PREREQ__(4, 1) +#define __offsetof(type, field) __builtin_offsetof(type, field) +#else +#ifndef __cplusplus +#define __offsetof(type, field) \ + ((__size_t)(__uintptr_t)((const volatile void *)&((type *)0)->field)) +#else +#define __offsetof(type, field) \ + (__offsetof__ (reinterpret_cast <__size_t> \ + (&reinterpret_cast <const volatile char &> \ + (static_cast<type *> (0)->field)))) +#endif +#endif +#define __rangeof(type, start, end) \ + (__offsetof(type, end) - __offsetof(type, start)) + +/* + * Given the pointer x to the member m of the struct s, return + * a pointer to the containing structure. When using GCC, we first + * assign pointer x to a local variable, to check that its type is + * compatible with member m. + */ +#if __GNUC_PREREQ__(3, 1) +#define __containerof(x, s, m) ({ \ + const volatile __typeof(((s *)0)->m) *__x = (x); \ + __DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\ +}) +#else +#define __containerof(x, s, m) \ + __DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m)) +#endif + +/* + * Compiler-dependent macros to declare that functions take printf-like + * or scanf-like arguments. They are null except for versions of gcc + * that are known to support the features properly (old versions of gcc-2 + * didn't permit keeping the keywords out of the application namespace). + */ +#if !__GNUC_PREREQ__(2, 7) +#define __printflike(fmtarg, firstvararg) +#define __scanflike(fmtarg, firstvararg) +#define __format_arg(fmtarg) +#define __strfmonlike(fmtarg, firstvararg) +#define __strftimelike(fmtarg, firstvararg) +#else +#define __printflike(fmtarg, firstvararg) \ + __attribute__((__format__ (__printf__, fmtarg, firstvararg))) +#define __scanflike(fmtarg, firstvararg) \ + __attribute__((__format__ (__scanf__, fmtarg, firstvararg))) +#define __format_arg(fmtarg) __attribute__((__format_arg__ (fmtarg))) +#define __strfmonlike(fmtarg, firstvararg) \ + __attribute__((__format__ (__strfmon__, fmtarg, firstvararg))) +#define __strftimelike(fmtarg, firstvararg) \ + __attribute__((__format__ (__strftime__, fmtarg, firstvararg))) +#endif + +/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */ +#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \ + defined(__GNUC__) +#define __printf0like(fmtarg, firstvararg) \ + __attribute__((__format__ (__printf0__, fmtarg, firstvararg))) +#else +#define __printf0like(fmtarg, firstvararg) +#endif + +#if defined(__GNUC__) +#define __strong_reference(sym,aliassym) \ + extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym))) +#ifdef __STDC__ +#define __weak_reference(sym,alias) \ + __asm__(".weak " #alias); \ + __asm__(".equ " #alias ", " #sym) +#define __warn_references(sym,msg) \ + __asm__(".section .gnu.warning." #sym); \ + __asm__(".asciz \"" msg "\""); \ + __asm__(".previous") +#define __sym_compat(sym,impl,verid) \ + __asm__(".symver " #impl ", " #sym "@" #verid) +#define __sym_default(sym,impl,verid) \ + __asm__(".symver " #impl ", " #sym "@@@" #verid) +#else +#define __weak_reference(sym,alias) \ + __asm__(".weak alias"); \ + __asm__(".equ alias, sym") +#define __warn_references(sym,msg) \ + __asm__(".section .gnu.warning.sym"); \ + __asm__(".asciz \"msg\""); \ + __asm__(".previous") +#define __sym_compat(sym,impl,verid) \ + __asm__(".symver impl, sym@verid") +#define __sym_default(impl,sym,verid) \ + __asm__(".symver impl, sym@@@verid") +#endif /* __STDC__ */ +#endif /* __GNUC__ */ + +#define __GLOBL(sym) __asm__(".globl " __XSTRING(sym)) +#define __WEAK(sym) __asm__(".weak " __XSTRING(sym)) + +#if defined(__GNUC__) +#define __IDSTRING(name,string) __asm__(".ident\t\"" string "\"") +#else +/* + * The following definition might not work well if used in header files, + * but it should be better than nothing. If you want a "do nothing" + * version, then it should generate some harmless declaration, such as: + * #define __IDSTRING(name,string) struct __hack + */ +#define __IDSTRING(name,string) static const char name[] __unused = string +#endif + +/* + * Embed the rcs id of a source file in the resulting library. Note that in + * more recent ELF binutils, we use .ident allowing the ID to be stripped. + * Usage: + * __FBSDID("$FreeBSD$"); + */ +#ifndef __FBSDID +#if !defined(STRIP_FBSDID) +#define __FBSDID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s) +#else +#define __FBSDID(s) struct __hack +#endif +#endif + +#ifndef __RCSID +#ifndef NO__RCSID +#define __RCSID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s) +#else +#define __RCSID(s) struct __hack +#endif +#endif + +#ifndef __RCSID_SOURCE +#ifndef NO__RCSID_SOURCE +#define __RCSID_SOURCE(s) __IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s) +#else +#define __RCSID_SOURCE(s) struct __hack +#endif +#endif + +#ifndef __SCCSID +#ifndef NO__SCCSID +#define __SCCSID(s) __IDSTRING(__CONCAT(__sccsid_,__LINE__),s) +#else +#define __SCCSID(s) struct __hack +#endif +#endif + +#ifndef __COPYRIGHT +#ifndef NO__COPYRIGHT +#define __COPYRIGHT(s) __IDSTRING(__CONCAT(__copyright_,__LINE__),s) +#else +#define __COPYRIGHT(s) struct __hack +#endif +#endif + +#ifndef __DECONST +#define __DECONST(type, var) ((type)(__uintptr_t)(const void *)(var)) +#endif + +#ifndef __DEVOLATILE +#define __DEVOLATILE(type, var) ((type)(__uintptr_t)(volatile void *)(var)) +#endif + +#ifndef __DEQUALIFY +#define __DEQUALIFY(type, var) ((type)(__uintptr_t)(const volatile void *)(var)) +#endif + +/*- + * The following definitions are an extension of the behavior originally + * implemented in <sys/_posix.h>, but with a different level of granularity. + * POSIX.1 requires that the macros we test be defined before any standard + * header file is included. + * + * Here's a quick run-down of the versions (and some informal names) + * defined(_POSIX_SOURCE) 1003.1-1988 + * encoded as 198808 below + * _POSIX_C_SOURCE == 1 1003.1-1990 + * encoded as 199009 below + * _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option + * encoded as 199209 below + * _POSIX_C_SOURCE == 199309 1003.1b-1993 + * (1003.1 Issue 4, Single Unix Spec v1, Unix 93) + * _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995, + * and the omnibus ISO/IEC 9945-1: 1996 + * (1003.1 Issue 5, Single Unix Spec v2, Unix 95) + * _POSIX_C_SOURCE == 200112 1003.1-2001 (1003.1 Issue 6, Unix 03) + * _POSIX_C_SOURCE == 200809 1003.1-2008 (1003.1 Issue 7) + * IEEE Std 1003.1-2017 (Rev of 1003.1-2008) is + * 1003.1-2008 with two TCs applied with + * _POSIX_C_SOURCE=200809 and _XOPEN_SOURCE=700 + * + * In addition, the X/Open Portability Guide, which is now the Single UNIX + * Specification, defines a feature-test macro which indicates the version of + * that specification, and which subsumes _POSIX_C_SOURCE. + * + * Our macros begin with two underscores to avoid namespace screwage. + */ + +/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */ +#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1 +#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */ +#define _POSIX_C_SOURCE 199009 +#endif + +/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */ +#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2 +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 199209 +#endif + +/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ +#ifdef _XOPEN_SOURCE +#if _XOPEN_SOURCE - 0 >= 700 +#define __XSI_VISIBLE 700 +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200809 +#elif _XOPEN_SOURCE - 0 >= 600 +#define __XSI_VISIBLE 600 +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200112 +#elif _XOPEN_SOURCE - 0 >= 500 +#define __XSI_VISIBLE 500 +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 199506 +#endif +#endif + +/* + * Deal with all versions of POSIX. The ordering relative to the tests above is + * important. + */ +#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) +#define _POSIX_C_SOURCE 198808 +#endif +#ifdef _POSIX_C_SOURCE +#if _POSIX_C_SOURCE >= 200809 +#define __POSIX_VISIBLE 200809 +#define __ISO_C_VISIBLE 1999 +#elif _POSIX_C_SOURCE >= 200112 +#define __POSIX_VISIBLE 200112 +#define __ISO_C_VISIBLE 1999 +#elif _POSIX_C_SOURCE >= 199506 +#define __POSIX_VISIBLE 199506 +#define __ISO_C_VISIBLE 1990 +#elif _POSIX_C_SOURCE >= 199309 +#define __POSIX_VISIBLE 199309 +#define __ISO_C_VISIBLE 1990 +#elif _POSIX_C_SOURCE >= 199209 +#define __POSIX_VISIBLE 199209 +#define __ISO_C_VISIBLE 1990 +#elif _POSIX_C_SOURCE >= 199009 +#define __POSIX_VISIBLE 199009 +#define __ISO_C_VISIBLE 1990 +#else +#define __POSIX_VISIBLE 198808 +#define __ISO_C_VISIBLE 0 +#endif /* _POSIX_C_SOURCE */ +/* + * Both glibc and OpenBSD enable c11 features when _ISOC11_SOURCE is defined, or + * when compiling with -stdc=c11. A strict reading of the standard would suggest + * doing it only for the former. However, a strict reading also requires C99 + * mode only, so building with C11 is already undefined. Follow glibc's and + * OpenBSD's lead for this non-standard configuration for maximum compatibility. + */ +#if _ISOC11_SOURCE || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) +#undef __ISO_C_VISIBLE +#define __ISO_C_VISIBLE 2011 +#endif +#else +/*- + * Deal with _ANSI_SOURCE: + * If it is defined, and no other compilation environment is explicitly + * requested, then define our internal feature-test macros to zero. This + * makes no difference to the preprocessor (undefined symbols in preprocessing + * expressions are defined to have value zero), but makes it more convenient for + * a test program to print out the values. + * + * If a program mistakenly defines _ANSI_SOURCE and some other macro such as + * _POSIX_C_SOURCE, we will assume that it wants the broader compilation + * environment (and in fact we will never get here). + */ +#if defined(_ANSI_SOURCE) /* Hide almost everything. */ +#define __POSIX_VISIBLE 0 +#define __XSI_VISIBLE 0 +#define __BSD_VISIBLE 0 +#define __ISO_C_VISIBLE 1990 +#define __EXT1_VISIBLE 0 +#elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */ +#define __POSIX_VISIBLE 0 +#define __XSI_VISIBLE 0 +#define __BSD_VISIBLE 0 +#define __ISO_C_VISIBLE 1999 +#define __EXT1_VISIBLE 0 +#elif defined(_C11_SOURCE) /* Localism to specify strict C11 env. */ +#define __POSIX_VISIBLE 0 +#define __XSI_VISIBLE 0 +#define __BSD_VISIBLE 0 +#define __ISO_C_VISIBLE 2011 +#define __EXT1_VISIBLE 0 +#else /* Default environment: show everything. */ +#define __POSIX_VISIBLE 200809 +#define __XSI_VISIBLE 700 +#define __BSD_VISIBLE 1 +#define __ISO_C_VISIBLE 2011 +#define __EXT1_VISIBLE 1 +#endif +#endif + +/* User override __EXT1_VISIBLE */ +#if defined(__STDC_WANT_LIB_EXT1__) +#undef __EXT1_VISIBLE +#if __STDC_WANT_LIB_EXT1__ +#define __EXT1_VISIBLE 1 +#else +#define __EXT1_VISIBLE 0 +#endif +#endif /* __STDC_WANT_LIB_EXT1__ */ + +/* + * Old versions of GCC use non-standard ARM arch symbols; acle-compat.h + * translates them to __ARM_ARCH and the modern feature symbols defined by ARM. + */ +#if defined(__arm__) && !defined(__ARM_ARCH) +#include <machine/acle-compat.h> +#endif + +/* + * Nullability qualifiers: currently only supported by Clang. + */ +#if !(defined(__clang__) && __has_feature(nullability)) +#define _Nonnull +#define _Nullable +#define _Null_unspecified +#define __NULLABILITY_PRAGMA_PUSH +#define __NULLABILITY_PRAGMA_POP +#else +#define __NULLABILITY_PRAGMA_PUSH _Pragma("clang diagnostic push") \ + _Pragma("clang diagnostic ignored \"-Wnullability-completeness\"") +#define __NULLABILITY_PRAGMA_POP _Pragma("clang diagnostic pop") +#endif + +/* + * Type Safety Checking + * + * Clang provides additional attributes to enable checking type safety + * properties that cannot be enforced by the C type system. + */ + +#if __has_attribute(__argument_with_type_tag__) && \ + __has_attribute(__type_tag_for_datatype__) +#define __arg_type_tag(arg_kind, arg_idx, type_tag_idx) \ + __attribute__((__argument_with_type_tag__(arg_kind, arg_idx, type_tag_idx))) +#define __datatype_type_tag(kind, type) \ + __attribute__((__type_tag_for_datatype__(kind, type))) +#else +#define __arg_type_tag(arg_kind, arg_idx, type_tag_idx) +#define __datatype_type_tag(kind, type) +#endif + +/* + * Lock annotations. + * + * Clang provides support for doing basic thread-safety tests at + * compile-time, by marking which locks will/should be held when + * entering/leaving a functions. + * + * Furthermore, it is also possible to annotate variables and structure + * members to enforce that they are only accessed when certain locks are + * held. + */ + +#if __has_extension(c_thread_safety_attributes) +#define __lock_annotate(x) __attribute__((x)) +#else +#define __lock_annotate(x) +#endif + +/* Structure implements a lock. */ +#define __lockable __lock_annotate(lockable) + +/* Function acquires an exclusive or shared lock. */ +#define __locks_exclusive(...) \ + __lock_annotate(exclusive_lock_function(__VA_ARGS__)) +#define __locks_shared(...) \ + __lock_annotate(shared_lock_function(__VA_ARGS__)) + +/* Function attempts to acquire an exclusive or shared lock. */ +#define __trylocks_exclusive(...) \ + __lock_annotate(exclusive_trylock_function(__VA_ARGS__)) +#define __trylocks_shared(...) \ + __lock_annotate(shared_trylock_function(__VA_ARGS__)) + +/* Function releases a lock. */ +#define __unlocks(...) __lock_annotate(unlock_function(__VA_ARGS__)) + +/* Function asserts that an exclusive or shared lock is held. */ +#define __asserts_exclusive(...) \ + __lock_annotate(assert_exclusive_lock(__VA_ARGS__)) +#define __asserts_shared(...) \ + __lock_annotate(assert_shared_lock(__VA_ARGS__)) + +/* Function requires that an exclusive or shared lock is or is not held. */ +#define __requires_exclusive(...) \ + __lock_annotate(exclusive_locks_required(__VA_ARGS__)) +#define __requires_shared(...) \ + __lock_annotate(shared_locks_required(__VA_ARGS__)) +#define __requires_unlocked(...) \ + __lock_annotate(locks_excluded(__VA_ARGS__)) + +/* Function should not be analyzed. */ +#define __no_lock_analysis __lock_annotate(no_thread_safety_analysis) + +/* + * Function or variable should not be sanitized, e.g., by AddressSanitizer. + * GCC has the nosanitize attribute, but as a function attribute only, and + * warns on use as a variable attribute. + */ +#if __has_attribute(no_sanitize) && defined(__clang__) +#ifdef _KERNEL +#define __nosanitizeaddress __attribute__((no_sanitize("kernel-address"))) +#define __nosanitizememory __attribute__((no_sanitize("kernel-memory"))) +#else +#define __nosanitizeaddress __attribute__((no_sanitize("address"))) +#define __nosanitizememory __attribute__((no_sanitize("memory"))) +#endif +#define __nosanitizethread __attribute__((no_sanitize("thread"))) +#else +#define __nosanitizeaddress +#define __nosanitizememory +#define __nosanitizethread +#endif + +/* Guard variables and structure members by lock. */ +#define __guarded_by(x) __lock_annotate(guarded_by(x)) +#define __pt_guarded_by(x) __lock_annotate(pt_guarded_by(x)) + +/* Alignment builtins for better type checking and improved code generation. */ +/* Provide fallback versions for other compilers (GCC/Clang < 10): */ +#if !__has_builtin(__builtin_is_aligned) +#define __builtin_is_aligned(x, align) \ + (((__uintptr_t)x & ((align) - 1)) == 0) +#endif +#if !__has_builtin(__builtin_align_up) +#define __builtin_align_up(x, align) \ + ((__typeof__(x))(((__uintptr_t)(x)+((align)-1))&(~((align)-1)))) +#endif +#if !__has_builtin(__builtin_align_down) +#define __builtin_align_down(x, align) \ + ((__typeof__(x))((x)&(~((align)-1)))) +#endif + +#define __align_up(x, y) __builtin_align_up(x, y) +#define __align_down(x, y) __builtin_align_down(x, y) +#define __is_aligned(x, y) __builtin_is_aligned(x, y) + +#endif /* !_SYS_CDEFS_H_ */ diff --git a/include/lib/libc/time.h b/include/lib/libc/time.h new file mode 100644 index 0000000..c1c95e5 --- /dev/null +++ b/include/lib/libc/time.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2012-2017 Roberto E. Vargas Caballero + * + * SPDX-License-Identifier: BSD-3-Clause + */ +/* + * Portions copyright (c) 2018-2019, ARM Limited and Contributors. + * All rights reserved. + */ + +#ifndef TIME_H +#define TIME_H + +#include <stddef.h> + +typedef long int time_t; + +#endif /* TIME_H */ |