From 673ed9bfb83fad64c3c8b24a2d11ff8086777f97 Mon Sep 17 00:00:00 2001 From: fef Date: Fri, 9 Jul 2021 00:04:44 +0200 Subject: [PATCH] initial commit uwu --- .editorconfig | 17 + .gitignore | 1 + .vscode/c_cpp_properties.json | 23 ++ .vscode/settings.json | 4 + CMakeLists.txt | 44 +++ LICENSE | 524 +++++++++++++++++++++++++++++++ demo/CMakeLists.txt | 23 ++ demo/main.c | 21 ++ include/neo.h | 23 ++ include/neo/_stddef.h | 22 ++ include/neo/_types.h | 49 +++ src/CMakeLists.txt | 32 ++ src/entry.c | 40 +++ src/include/neo/buildconfig.h.in | 39 +++ 14 files changed, 862 insertions(+) create mode 100644 .editorconfig create mode 100644 .gitignore create mode 100644 .vscode/c_cpp_properties.json create mode 100644 .vscode/settings.json create mode 100644 CMakeLists.txt create mode 100644 LICENSE create mode 100644 demo/CMakeLists.txt create mode 100644 demo/main.c create mode 100644 include/neo.h create mode 100644 include/neo/_stddef.h create mode 100644 include/neo/_types.h create mode 100644 src/CMakeLists.txt create mode 100644 src/entry.c create mode 100644 src/include/neo/buildconfig.h.in diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..8ce078a --- /dev/null +++ b/.editorconfig @@ -0,0 +1,17 @@ +root = true + +[*] +indent_size = 8 +indent_style = tab +trim_trailing_whitespace = true +insert_final_newline = true +end_of_line = lf + +[{CMakeLists.txt,*.cmake,*.json}] +indent_size = 4 +indent_style = space + +[*.md] +indent_size = 4 +indent_style = space +trim_trailing_whitespace = false diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..567609b --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +build/ diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json new file mode 100644 index 0000000..6f7743a --- /dev/null +++ b/.vscode/c_cpp_properties.json @@ -0,0 +1,23 @@ +{ + "configurations": [ + { + "name": "libneo", + "includePath": [ + "${workspaceFolder}/include", + "${workspaceFolder}/build/include", + "${workspaceFolder}/src/include" + ], + "defines": [ + "-DDEBUG" + ], + "compilerPath": "/usr/bin/clang", + "compilerArgs": [ + "-nostdlib" + ], + "cStandard": "c11", + "intelliSenseMode": "linux-clang-x64", + "configurationProvider": "ms-vscode.cmake-tools" + } + ], + "version": 4 +} diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..d27fe05 --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,4 @@ +{ + "editor.rulers": [80, 100], + "cmake.configureOnOpen": true, +} diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..d96aff7 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,44 @@ +# See the end of this file for copyright and license terms. + +cmake_minimum_required(VERSION 3.0.0) +project(neo VERSION 0.1.0 LANGUAGES C) +set(CMAKE_C_STANDARD 11) + +if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME) + set_property(GLOBAL PROPERTY USE_FOLDERS ON) + option(DEBUG "Enable debug features" ON) + include(CTest) + enable_testing() +endif() + +find_package(Git QUIET) +if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git") + execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + OUTPUT_VARIABLE neo_GIT_REVISION + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + if (NOT "${neo_GIT_REVISION}" STREQUAL "") + set(neo_VERSION_SUFFIX "-${neo_GIT_REVISION}") + endif() +endif() + +add_subdirectory(src) + +add_subdirectory(demo) + +set(CPACK_PROJECT_NAME ${PROJECT_NAME}) +set(CPACK_PROJECT_VERSION ${PROJECT_VERSION}) +include(CPack) + +# This file is part of libneo. +# Copyright (c) 2021 Fefie . +# +# libneo is non-violent software: you may only use, redistribute, +# and/or modify it under the terms of the CNPLv6+ as found in +# the LICENSE file in the source code root directory or at +# . +# +# libneo comes with ABSOLUTELY NO WARRANTY, to the extent +# permitted by applicable law. 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If the standard suite + of rights granted under applicable copyright law includes + additional rights not granted under this License, such + additional rights are deemed to be included in the License; this + License is not intended to restrict the license of any rights + under applicable law. diff --git a/demo/CMakeLists.txt b/demo/CMakeLists.txt new file mode 100644 index 0000000..af6b910 --- /dev/null +++ b/demo/CMakeLists.txt @@ -0,0 +1,23 @@ +# See the end of this file for copyright and license terms. + +add_executable(demo) + +add_compile_options(-nostdlib -nodefaultlibs) +set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostdlib") + +target_link_libraries(demo PRIVATE neo) + +target_sources(demo PRIVATE + ./main.c +) + +# This file is part of libneo. +# Copyright (c) 2021 Fefie . +# +# libneo is non-violent software: you may only use, redistribute, +# and/or modify it under the terms of the CNPLv6+ as found in +# the LICENSE file in the source code root directory or at +# . +# +# libneo comes with ABSOLUTELY NO WARRANTY, to the extent +# permitted by applicable law. See the CNPLv6+ for details. diff --git a/demo/main.c b/demo/main.c new file mode 100644 index 0000000..c96f544 --- /dev/null +++ b/demo/main.c @@ -0,0 +1,21 @@ +/** See the end of this file for copyright and license terms. */ + +#include "neo.h" + +int main(int argc, char **argv) +{ + return 69; +} + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */ diff --git a/include/neo.h b/include/neo.h new file mode 100644 index 0000000..395d835 --- /dev/null +++ b/include/neo.h @@ -0,0 +1,23 @@ +/** See the end of this file for copyright and license terms. */ + +#pragma once + +#if !defined(__GNUC__) && !defined(__clang__) +#error "Only gcc and clang are supported" +#endif + +#include "neo/_types.h" +#include "neo/_stddef.h" + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */ diff --git a/include/neo/_stddef.h b/include/neo/_stddef.h new file mode 100644 index 0000000..2b702ae --- /dev/null +++ b/include/neo/_stddef.h @@ -0,0 +1,22 @@ +/** See the end of this file for copyright and license terms. */ + +#pragma once + +#include "neo/_types.h" + +#define nil ((void *)0) + +#define offsetof(type, member) __builtin_offsetof(type, member) + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */ diff --git a/include/neo/_types.h b/include/neo/_types.h new file mode 100644 index 0000000..1809941 --- /dev/null +++ b/include/neo/_types.h @@ -0,0 +1,49 @@ +/** See the end of this file for copyright and license terms. */ + +#pragma once + +typedef __INT8_TYPE__ i8; +typedef __INT16_TYPE__ i16; +typedef __INT32_TYPE__ i32; +typedef __INT64_TYPE__ i64; + +typedef __UINT8_TYPE__ u8; +typedef __UINT8_TYPE__ byte; +typedef __UINT16_TYPE__ u16; +typedef __UINT32_TYPE__ u32; +typedef __UINT64_TYPE__ u64; + +typedef __SIZE_TYPE__ usize; +typedef __PTRDIFF_TYPE__ isize; + +typedef float f32; +typedef double f64; +typedef long double f128; + +typedef _Bool bool; + +struct _neo_string { + usize _len; + usize _capacity; + char *_data; +}; +typedef struct _neo_string string; + +struct _neo_error { + int _number; + string *_error; +}; +typedef struct _neo_error *error; + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */ diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt new file mode 100644 index 0000000..f66c467 --- /dev/null +++ b/src/CMakeLists.txt @@ -0,0 +1,32 @@ +# See the end of this file for copyright and license terms. + +add_library(neo) + +add_compile_options(-nostdlib -nodefaultlibs) +set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostdlib") + +configure_file( + ./include/neo/buildconfig.h.in + ${CMAKE_BINARY_DIR}/include/neo/buildconfig.h +) + +target_include_directories(neo PUBLIC ../include) +target_include_directories(neo PRIVATE + ./include + ${CMAKE_BINARY_DIR}/include +) + +target_sources(neo PRIVATE + ./entry.c +) + +# This file is part of libneo. +# Copyright (c) 2021 Fefie . +# +# libneo is non-violent software: you may only use, redistribute, +# and/or modify it under the terms of the CNPLv6+ as found in +# the LICENSE file in the source code root directory or at +# . +# +# libneo comes with ABSOLUTELY NO WARRANTY, to the extent +# permitted by applicable law. See the CNPLv6+ for details. diff --git a/src/entry.c b/src/entry.c new file mode 100644 index 0000000..85e5256 --- /dev/null +++ b/src/entry.c @@ -0,0 +1,40 @@ +/** See the end of this file for copyright and license terms. */ + +#include "neo.h" +#include "neo/buildconfig.h" + +extern int main(int argc, char **argv); + +/* this is only temporary to test stuff until i implement syscall() */ +__attribute__((__noreturn__)) +static void exit(int code) +{ + register u64 rax __asm__("rax") = 60; + register u64 rdi __asm__("rdi") = code; + __asm__ __volatile__ ( + "syscall" + : "+r" (rax) + : "r" (rdi) + : "rcx", "r11", "memory" + ); + while (1); +} + +void _start(void) +{ + int exit_code = main(0, nil); + exit(exit_code); +} + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */ diff --git a/src/include/neo/buildconfig.h.in b/src/include/neo/buildconfig.h.in new file mode 100644 index 0000000..f7d780b --- /dev/null +++ b/src/include/neo/buildconfig.h.in @@ -0,0 +1,39 @@ +/** See the end of this file for copyright and license terms. */ + +#pragma once + +#define NEO_VERSION_MAJOR @neo_VERSION_MAJOR@ +#define NEO_VERSION_MINOR @neo_VERSION_MINOR@ +#define NEO_VERSION_PATCH @neo_VERSION_PATCH@ +#define NEO_VERSION_STRING "@neo_VERSION@@neo_VERSION_SUFFIX@" + +#if NEO_VERSION_MAJOR > 255 +# error "major version number too high" +#endif +#if NEO_VERSION_MINOR > 255 +# error "minor version number too high" +#endif +#if NEO_VERSION_PATCH > 65535 +# error "patch version number too high" +#endif + +#define NEO_VERSION ( \ + (NEO_VERSION_MAJOR << 24) \ + | (NEO_VERSION_MINOR << 16) \ + | NEO_VERSION_PATCH \ +) + +#cmakedefine DEBUG + +/* + * This file is part of libneo. + * Copyright (c) 2021 Fefie . + * + * libneo is non-violent software: you may only use, redistribute, + * and/or modify it under the terms of the CNPLv6+ as found in + * the LICENSE file in the source code root directory or at + * . + * + * libneo comes with ABSOLUTELY NO WARRANTY, to the extent + * permitted by applicable law. See the CNPLv6+ for details. + */