hyperlight-libc 0.17.0

This crate provides picolibc for Hyperlight guests. It builds the picolibc library and generates bindings to the libc types and functions.
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// SPDX-License-Identifier: Apache-2.0
// Copyright 2026 The Hyperlight Authors.

#pragma once

// version information
#define _NEWLIB_VERSION "4.3.0"
#define __NEWLIB_VERSION__ "4.3.0"
#define __NEWLIB__ 4
#define __NEWLIB_MINOR__ 3
#define __NEWLIB_PATCHLEVEL__ 0
#define __PICOLIBC_VERSION__ "1.8.11"
#define __PICOLIBC__ 1
#define __PICOLIBC_MINOR__ 8
#define __PICOLIBC_PATCHLEVEL__ 11

// static configuration - enabled features
#define __ASSERT_VERBOSE
#define __SINGLE_THREAD   // -Dsingle-thread=true
#define __GLOBAL_ERRNO    // -Dnewlib-global-errno=true
#define __INIT_FINI_ARRAY // -Dinitfini-array=true
#define __TINY_STDIO      // tinystdio is now the only stdio
#define __IO_DEFAULT 'd'  // -Dformat-default=double
#define __IO_FLOAT_EXACT  // default
#define __IO_WCHAR        // -Dio-wchar=true
#define __IEEE_LIBM       // math library without errno
#define __FAST_STRCMP     // default optimization
#define __FAST_BUFIO      // -Dfast-bufio=true
#define __IO_SMALL_ULTOA  // avoid division in conversion

// static configuration - disabled features
#undef __ARM_SEMIHOST         // -Dsemihost=false
#undef __SEMIHOST             // -Dsemihost=false
#undef __THREAD_LOCAL_STORAGE // -Dthread-local-storage=false
#undef __THREAD_LOCAL_STORAGE_API
#undef __THREAD_LOCAL_STORAGE_RP2040
#undef __THREAD_LOCAL_STORAGE_STACK_GUARD
#undef __ENABLE_MALLOC // -Denable-malloc=false
#undef __MALLOC_CLEAR_FREED
#undef __MB_CAPABLE     // no multibyte support
#undef __HAVE_FCNTL     // freestanding environment
#undef __STDIO_LOCKING  // single-thread
#undef __IO_C99_FORMATS // -Dio-c99-formats=false
#undef __IO_LONG_DOUBLE // not enabled
#undef __IO_LONG_LONG   // minimal format
#undef __IO_MINIMAL_LONG_LONG
#undef __IO_PERCENT_B // not enabled
#undef __IO_PERCENT_N // not enabled
#undef __IO_POS_ARGS  // not enabled
#undef __MATH_ERRNO   // IEEE math only
#undef __OBSOLETE_MATH
#undef __OBSOLETE_MATH_DOUBLE
#undef __OBSOLETE_MATH_FLOAT
#undef __PREFER_SIZE_OVER_SPEED // release build
#undef __ATOMIC_UNGETC          // single-thread
#undef __IEEEFP_FUNCS
#undef __INIT_FINI_FUNCS // using INIT_FINI_ARRAY instead
#undef __HAVE_BITFIELDS_IN_PACKED_STRUCTS

// compiler feature detection
#ifndef __has_builtin
#define picolibc_has_builtin(x) 0
#else
#define picolibc_has_builtin(x) __has_builtin(x)
#endif

#if picolibc_has_builtin(__builtin_alloca)
#define __HAVE_BUILTIN_ALLOCA 1
#endif
#if picolibc_has_builtin(__builtin_ffs)
#define __HAVE_BUILTIN_FFS 1
#endif
#if picolibc_has_builtin(__builtin_ffsl)
#define __HAVE_BUILTIN_FFSL 1
#endif
#if picolibc_has_builtin(__builtin_ffsll)
#define __HAVE_BUILTIN_FFSLL 1
#endif
#if picolibc_has_builtin(__builtin_ctz)
#define __HAVE_BUILTIN_CTZ 1
#endif
#if picolibc_has_builtin(__builtin_ctzl)
#define __HAVE_BUILTIN_CTZL 1
#endif
#if picolibc_has_builtin(__builtin_ctzll)
#define __HAVE_BUILTIN_CTZLL 1
#endif
#if picolibc_has_builtin(__builtin_copysign)
#define __HAVE_BUILTIN_COPYSIGN 1
#endif
#if picolibc_has_builtin(__builtin_copysignl)
#define __HAVE_BUILTIN_COPYSIGNL 1
#endif
#if picolibc_has_builtin(__builtin_isinf)
#define __HAVE_BUILTIN_ISINF 1
#endif
#if picolibc_has_builtin(__builtin_isinfl)
#define __HAVE_BUILTIN_ISINFL 1
#endif
#if picolibc_has_builtin(__builtin_isnan)
#define __HAVE_BUILTIN_ISNAN 1
#endif
#if picolibc_has_builtin(__builtin_isnanl)
#define __HAVE_BUILTIN_ISNANL 1
#endif
#if picolibc_has_builtin(__builtin_isfinite)
#define __HAVE_BUILTIN_ISFINITE 1
#endif
#if picolibc_has_builtin(__builtin_finitel)
#define __HAVE_BUILTIN_FINITEL 1
#endif
#if picolibc_has_builtin(__builtin_issignalingl)
#define __HAVE_BUILTIN_ISSIGNALINGL 1
#endif
#if picolibc_has_builtin(__builtin_expect)
#define __HAVE_BUILTIN_EXPECT 1
#endif
#if picolibc_has_builtin(__builtin_complex)
#define __HAVE_BUILTIN_COMPLEX 1
#endif
#if picolibc_has_builtin(__builtin_add_overflow)
#define __HAVE_BUILTIN_ADD_OVERFLOW 1
#endif
#if picolibc_has_builtin(__builtin_mul_overflow)
#define __HAVE_BUILTIN_MUL_OVERFLOW 1
#endif

#if !defined(__STDC_NO_COMPLEX__)
#define __HAVE_COMPLEX 1
#endif

#undef picolibc_has_builtin