diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/include/stdarg.h | 92 | ||||
| -rw-r--r-- | lib/libc/include/stddef.h | 149 | ||||
| -rw-r--r-- | lib/libc/include/stdio.h | 88 | ||||
| -rw-r--r-- | lib/libc/include/stdlib.h | 90 | ||||
| -rw-r--r-- | lib/libc/src/hyra/mmap.c | 47 | ||||
| -rw-r--r-- | lib/libc/src/main.c | 8 | ||||
| -rw-r--r-- | lib/libc/src/stdio/fputc.c | 55 | ||||
| -rw-r--r-- | lib/libc/src/stdio/fputs.c | 68 | ||||
| -rw-r--r-- | lib/libc/src/stdio/fwrite.c | 61 | ||||
| -rw-r--r-- | lib/libc/src/stdio/init.c | 62 | ||||
| -rw-r--r-- | lib/libc/src/stdlib/_Exit.c | 38 | ||||
| -rw-r--r-- | lib/libc/src/stdlib/abort.c | 40 | ||||
| -rw-r--r-- | lib/libc/src/stdlib/exit.c | 40 |
13 files changed, 833 insertions, 5 deletions
diff --git a/lib/libc/include/stdarg.h b/lib/libc/include/stdarg.h new file mode 100644 index 0000000..dc75475 --- /dev/null +++ b/lib/libc/include/stdarg.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#ifndef _STDARG_H +#define _STDARG_H 1 + +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L +#define __STDC_VERSION_STDARG_H__ 202311L +#endif + +/* Determine which definitions are needed */ +#if !defined(__need___va_list) && !defined(__need_va_list) && \ + !defined(__need_va_arg) && \ + !defined(__need___va_copy) && !defined(__need_va_copy) +#define __need___va_list +#define __need_va_list +#define __need_va_arg +#define __need___va_copy +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined(__cplusplus) && __cplusplus >= 201103L) +#define __need_va_copy +#endif +#endif + +/* __gnuc_va_list type */ +#ifdef __need___va_list +#ifndef __GNUC_VA_LIST +#define __GNUC_VA_LIST +typedef __builtin_va_list __gnuc_va_list; +#endif /* !__GNUC_VA_LIST */ +#undef __need___va_list +#endif /* __need___va_list */ + +/* va_list type */ +#ifdef __need_va_list +#ifndef _VA_LIST +#define _VA_LIST +typedef __builtin_va_list va_list; +#endif /* !_VA_LIST */ +#undef __need_va_list +#endif /* __need_va_list */ + +/* va_start(), va_end(), and va_arg() macros */ +#ifdef __need_va_arg +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L +#define va_start(ap, ...) __builtin_va_start(ap, 0) +#else +#define va_start(ap, arg) __builtin_va_start(ap, arg) +#endif +#define va_end(ap) __builtin_va_end(ap) +#define va_arg(ap, type) __builtin_va_arg(ap, type) +#undef __need_va_arg +#endif /* __need_va_arg */ + +/* __va_copy() macro */ +#ifdef __need___va_copy +#define __va_copy(dest, src) __builtin_va_copy(dest, src) +#undef __need___va_copy +#endif /* __need___va_copy */ + +/* va_copy() macro */ +#ifdef __need_va_copy +#define va_copy(dest, src) __builtin_va_copy(dest, src) +#undef __need_va_copy +#endif /* __need_va_copy */ + +#endif /* !_STDARG_H */ diff --git a/lib/libc/include/stddef.h b/lib/libc/include/stddef.h index 557f69b..642f773 100644 --- a/lib/libc/include/stddef.h +++ b/lib/libc/include/stddef.h @@ -28,18 +28,157 @@ */ #ifndef _STDDEF_H -#define _STDDEF_H +#define _STDDEF_H 1 -#include <sys/types.h> +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L +#define __STDC_VERSION_STDDEF_H__ 202311L +#endif + +/* Determine which definitions are needed */ +#if !defined(__need_NULL) && !defined(__need_nullptr_t) && \ + !defined(__need_size_t) && !defined(__need_rsize_t) && \ + !defined(__need_wchar_t) && !defined(__need_wint_t) && \ + !defined(__need_ptrdiff_t) && !defined(__need_max_align_t) && \ + !defined(__need_offsetof) && !defined(__need_unreachable) +#define __need_NULL +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) || defined(__cplusplus) +#define __need_nullptr_t +#endif +#define __need_ptrdiff_t +#define __need_size_t +#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 +#define __need_rsize_t +#endif +#define __need_wchar_t +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || (defined(__cplusplus) && __cplusplus >= 201103L) +#define __need_max_align_t +#endif +#define __need_offsetof +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L +#define __need_unreachable +#endif +#endif +/* NULL pointer constant */ +#ifdef __need_NULL +#ifdef __cplusplus #if __cplusplus >= 201103L #define NULL nullptr -#elif defined(__cplusplus) +#else #define NULL 0L +#endif /* __cplusplus >= 201103L */ #else -#define NULL ((void *) 0) +#define NULL ((void *) 0) +#endif /* __cplusplus */ +#undef __need_NULL +#endif /* __need_NULL */ + +/* nullptr_t type */ +#ifdef __need_nullptr_t +#ifndef _NULLPTR_T +#define _NULLPTR_T +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L +typedef typeof(nullptr) nullptr_t; #endif +#endif /* !_NULLPTR_T */ +#undef __need_nullptr_t +#endif /* __need_nullptr_t */ + +/* size_t type */ +#ifdef __need_size_t +#ifndef _SIZE_T +#define _SIZE_T +#ifdef __SIZE_TYPE__ +typedef __SIZE_TYPE__ size_t; +#else +typedef long unsigned int size_t; +#endif /* __SIZE_TYPE__ */ +#endif /* !_SIZE_T */ +#undef __need_size_t +#endif /* __need_size_t */ + +/* rsize_t type */ +#ifdef __need_rsize_t +#ifndef _RSIZE_T +#define _RSIZE_T +#ifdef __SIZE_TYPE__ +typedef __SIZE_TYPE__ rsize_t; +#else +typedef long unsigned int rsize_t; +#endif /* __SIZE_TYPE__ */ +#endif /* !_RSIZE_T */ +#undef __need_rsize_t +#endif /* __need_rsize_t */ -typedef __size_t size_t; +/* wchar_t type */ +#ifdef __need_wchar_t +#ifndef _WCHAR_T +#define _WCHAR_T +#ifdef __WCHAR_TYPE__ +typedef __WCHAR_TYPE__ wchar_t; +#else +typedef int wchar_t; +#endif /* __WCHAR_TYPE__ */ +#endif /* !_WCHAR_T */ +#undef __need_wchar_t +#endif /* __need_wchar_t */ + +/* wint_t type */ +#ifdef __need_wint_t +#ifndef _WINT_T +#define _WINT_T +#ifdef __WINT_TYPE__ +typedef __WINT_TYPE__ wint_t; +#else +typedef unsigned int wint_t; +#endif /* __WINT_TYPE__ */ +#endif /* !_WINT_T */ +#undef __need_wint_t +#endif /* __need_wint_t */ + +/* ptrdiff_t type */ +#ifdef __need_ptrdiff_t +#ifndef _PTRDIFF_T +#define _PTRDIFF_T +#ifdef __PTRDIFF_TYPE__ +typedef __PTRDIFF_TYPE__ ptrdiff_t; +#else +typedef long int ptrdiff_t; +#endif /* __PTRDIFF_TYPE__ */ +#endif /* !_PTRDIFF_T */ +#undef __need_ptrdiff_t +#endif /* __need_ptrdiff_t */ + +/* max_align_t type */ +#ifdef __need_max_align_t +#if defined (_MSC_VER) +typedef double max_align_t; +#elif defined(__APPLE__) +typedef long double max_align_t; +#else +typedef struct { + long long __longlong __attribute__((__aligned__(__alignof__(long long)))); + long double __longdouble __attribute__((__aligned__(__alignof__(long double)))); +} max_align_t; +#endif +#undef __need_max_align_t +#endif /* __need_max_align_t */ + +/* offsetof() macro */ +#ifdef __need_offsetof +#ifndef offsetof +#define offsetof(type, member) __builtin_offsetof(type, member) +#endif +#undef __need_offsetof +#endif /* __need_offsetof */ + +/* unreachable() macro */ +#ifdef __need_unreachable +/* C++ has std::unreachable() */ +#if !defined(__cplusplus) && !defined(unreachable) +#define unreachable() __builtin_unreachable() +#endif +#undef __need_unreachable +#endif /* __need_unreachable */ #endif /* !_STDDEF_H */ diff --git a/lib/libc/include/stdio.h b/lib/libc/include/stdio.h new file mode 100644 index 0000000..b3bf8df --- /dev/null +++ b/lib/libc/include/stdio.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#ifndef _STDIO_H +#define _STDIO_H 1 + +#include <sys/cdefs.h> +#define __need_NULL +#define __need_size_t +#include <stddef.h> +#define __need_va_list +#include <stdarg.h> + +#if __STDC_VERSION__ >= 202311L +#define __STDC_VERSION_STDIO_H__ 202311L +#endif + +/* Buffering modes */ +#define _IOFBF 0 /* Fully buffered */ +#define _IOLBF 1 /* Line buffered */ +#define _IONBF 2 /* Unbuffered */ + +/* Default buffer size */ +#define BUFSIZ 256 + +/* End-Of-File indicator */ +#define EOF (-1) + +/* Spec says these should be defined as macros */ +#define stdin stdin +#define stdout stdout +#define stderr stderr + +/* File structure */ +typedef struct _IO_FILE { + int fd; + int buf_mode; +} FILE; + +extern FILE *stdin; +extern FILE *stdout; +extern FILE *stderr; + +#define putc(c, stream) fputc((c), (stream)) + +__BEGIN_DECLS + +size_t fwrite(const void *__restrict ptr, size_t size, size_t n, FILE *__restrict stream); + +int fputc(int c, FILE *stream); +int putchar(int c); + +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +int fputs(const char *__restrict s, FILE *__restrict stream); +#else +int fputs(const char *s, FILE *stream); +#endif +int puts(const char *s); + +__END_DECLS + +#endif /* !_STDIO_H */ diff --git a/lib/libc/include/stdlib.h b/lib/libc/include/stdlib.h new file mode 100644 index 0000000..054bdca --- /dev/null +++ b/lib/libc/include/stdlib.h @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#ifndef _STDLIB_H +#define _STDLIB_H 1 + +/* For __dead */ +#include <sys/cdefs.h> + +/* Get specific definitions from stddef.h */ +#define __need_NULL +#define __need_size_t +#define __need_wchar_t +#include <stddef.h> + +#if __STDC_VERSION__ >= 202311L +#define __STDC_VERSION_STDLIB_H__ 202311L +#endif + +#define EXIT_SUCCESS 0 +#define EXIT_FAILURE 1 + +typedef struct { + int quot; + int rem; +} div_t; + +#ifndef __ldiv_t_defined +typedef struct { + long int quot; + long int rem; +} ldiv_t; +#define __ldiv_t_defined 1 +#endif /* !__ldiv_t_defined */ + +#ifndef __lldiv_t_defined +typedef struct { + long long int quot; + long long int rem; +} lldiv_t; +#define __lldiv_t_defined 1 +#endif /* !__lldiv_t_defined */ + +__BEGIN_DECLS + +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) || (defined(__cplusplus) && __cplusplus >= 201103L) +[[noreturn]] void abort(void); +[[noreturn]] void exit(int status); +[[noreturn]] void _Exit(int status); +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L +_Noreturn void abort(void); +_Noreturn void exit(int status); +_Noreturn void _Exit(int status); +#else +__dead void abort(void); +__dead void exit(int status); +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +__dead void _Exit(int status); +#endif +#endif + +__END_DECLS + +#endif /* !_STDLIB_H */ diff --git a/lib/libc/src/hyra/mmap.c b/lib/libc/src/hyra/mmap.c new file mode 100644 index 0000000..6870c75 --- /dev/null +++ b/lib/libc/src/hyra/mmap.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <sys/syscall.h> +#include <sys/mman.h> +#include <sys/types.h> + +void * +mmap(void *addr, size_t len, int prot, int flags, + int fildes, off_t off) + +{ + return (void *)syscall(SYS_mmap, (uintptr_t)addr, len, + prot, flags, fildes, off); +} + +int +munmap(void *addr, size_t len) +{ + return syscall(SYS_munmap, (uintptr_t)addr, len); +} diff --git a/lib/libc/src/main.c b/lib/libc/src/main.c index 1154b21..d16b93e 100644 --- a/lib/libc/src/main.c +++ b/lib/libc/src/main.c @@ -30,10 +30,18 @@ #include <stdint.h> #include <stddef.h> +extern int __libc_stdio_init(void); + int main(int argc, char **argv); int __libc_entry(uint64_t *ctx) { + int status; + + if ((status = __libc_stdio_init()) != 0) { + return status; + } + return main(0, NULL); } diff --git a/lib/libc/src/stdio/fputc.c b/lib/libc/src/stdio/fputc.c new file mode 100644 index 0000000..6ac7aac --- /dev/null +++ b/lib/libc/src/stdio/fputc.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdio.h> + +extern size_t __stdio_write(const void *__restrict ptr, size_t size, FILE *__restrict stream); + +int +fputc(int c, FILE *stream) +{ + unsigned char val; + + if (stream == NULL) { + return EOF; + } + + val = (unsigned char)c; + if (__stdio_write(&val, sizeof(val), stream) != sizeof(val)) { + return EOF; + } + + return (int)val; +} + +int +putchar(int c) +{ + return fputc(c, stdout); +} diff --git a/lib/libc/src/stdio/fputs.c b/lib/libc/src/stdio/fputs.c new file mode 100644 index 0000000..357fd52 --- /dev/null +++ b/lib/libc/src/stdio/fputs.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdio.h> +#include <string.h> + +extern size_t __stdio_write(const void *__restrict ptr, size_t size, FILE *__restrict stream); + +int +fputs(const char *__restrict s, FILE *__restrict stream) +{ + size_t len; + + if (s == NULL || stream == NULL) { + return EOF; + } + + len = strlen(s); + if (len < 1) { + return 0; + } + + if (__stdio_write(s, sizeof(char) * len, stream) != (sizeof(char) * len)) { + return EOF; + } + + return 0; +} + +int +puts(const char *s) +{ + if (fputs(s, stdout) < 0) { + return EOF; + } + + if (fputc('\n', stdout) != '\n') { + return EOF; + } + + return 0; +} diff --git a/lib/libc/src/stdio/fwrite.c b/lib/libc/src/stdio/fwrite.c new file mode 100644 index 0000000..660034e --- /dev/null +++ b/lib/libc/src/stdio/fwrite.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdio.h> +#include <unistd.h> + +size_t +__stdio_write(const void *__restrict ptr, size_t size, FILE *__restrict stream) +{ + ssize_t count; + + if (stream->buf_mode == _IONBF) { + if ((count = write(stream->fd, ptr, size)) < 0) { + return 0; + } + + return count; + } + + /* + * TODO: Implement more buffering modes. + */ + + return 0; +} + +size_t +fwrite(const void *__restrict ptr, size_t size, size_t n, FILE *__restrict stream) +{ + if (ptr == NULL || stream == NULL || (size * n) == 0) { + return 0; + } + + return __stdio_write(ptr, size * n, stream); +} diff --git a/lib/libc/src/stdio/init.c b/lib/libc/src/stdio/init.c new file mode 100644 index 0000000..5982d59 --- /dev/null +++ b/lib/libc/src/stdio/init.c @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdio.h> +#include <fcntl.h> + +FILE *stdin; +FILE *stdout; +FILE *stderr; + +static FILE cin, cout, cerr; + +int +__libc_stdio_init(void) +{ + int cfd; + + if ((cfd = open("/dev/console", O_RDWR)) < 0) { + return cfd; + } + + cin.buf_mode = _IONBF; + cin.fd = cfd; + + cout.buf_mode = _IONBF; + cout.fd = cfd; + + cerr.buf_mode = _IONBF; + cerr.fd = cfd; + + stdout = &cout; + stdin = &cin; + stderr = &cerr; + + return 0; +} diff --git a/lib/libc/src/stdlib/_Exit.c b/lib/libc/src/stdlib/_Exit.c new file mode 100644 index 0000000..e975381 --- /dev/null +++ b/lib/libc/src/stdlib/_Exit.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <sys/syscall.h> +#include <stdlib.h> + +__dead void +_Exit(int status) +{ + syscall(SYS_exit, status); + __builtin_unreachable(); +} diff --git a/lib/libc/src/stdlib/abort.c b/lib/libc/src/stdlib/abort.c new file mode 100644 index 0000000..bc0a491 --- /dev/null +++ b/lib/libc/src/stdlib/abort.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdlib.h> + +__dead void +abort(void) +{ + /* + * TODO: Call SIGABRT handler here. + */ + + _Exit(EXIT_FAILURE); +} diff --git a/lib/libc/src/stdlib/exit.c b/lib/libc/src/stdlib/exit.c new file mode 100644 index 0000000..e5adfac --- /dev/null +++ b/lib/libc/src/stdlib/exit.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team. + * 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 Hyra 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#include <stdlib.h> + +__dead void +exit(int status) +{ + /* + * TODO: Call atexit() handlers and do cleanup here. + */ + + _Exit(status); +} |