Re-organisation + stdint.h and stddef.h
This commit is contained in:
Max Wash
@@ -1,14 +1,53 @@
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cmake_minimum_required(VERSION 3.5)
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project(photon)
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file(GLOB_RECURSE photon_sources
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${CMAKE_SOURCE_DIR}/photon/*.c
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${CMAKE_SOURCE_DIR}/photon/*.h)
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message(STATUS "Sources: " ${photon_sources})
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macro(subdirlist result curdir)
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file(GLOB children RELATIVE ${curdir} ${curdir}/*)
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set(dirlist "")
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foreach (child ${children})
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if (IS_DIRECTORY ${curdir}/${child})
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list(APPEND dirlist ${child})
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endif()
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endforeach()
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set(${result} ${dirlist})
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endmacro()
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add_library(photon_obj OBJECT ${photon_sources})
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subdirlist(machine_dirs ${CMAKE_CURRENT_SOURCE_DIR}/photon/libc/machine)
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add_library(photon SHARED $<TARGET_OBJECTS:photon_obj>)
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add_library(photon_s STATIC $<TARGET_OBJECTS:photon_obj>)
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if (NOT PLATFORM)
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set(PLATFORM "linux")
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endif ()
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set_property(TARGET photon_obj PROPERTY POSITION_INDEPENDENT_CODE ON)
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if (NOT MACHINE)
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set(supported_machines "")
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foreach (dir ${machine_dirs})
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set(supported_machines "${supported_machines}${dir} ")
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endforeach (dir)
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message(FATAL_ERROR "No machine architecture specified.\n"
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" Supported machines: ${supported_machines}\n"
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" Ex. `cmake -DMACHINE=x86_64 <dir>`")
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endif ()
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if (NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/photon/libc/sys/${PLATFORM})
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message(FATAL_ERROR "Unsupported platform: ${PLATFORM}")
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endif ()
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message(STATUS "Target platform: ${PLATFORM}")
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set(photon_libc_sources "")
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set(generic_dirs string include)
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foreach (dir ${generic_dirs})
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file(GLOB_RECURSE dir_sources ${CMAKE_CURRENT_SOURCE_DIR}/photon/libc/${dir}/*.c)
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set(photon_libc_sources ${photon_libc_sources} ${dir_sources})
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endforeach (dir)
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file(GLOB_RECURSE platform_sources ${CMAKE_CURRENT_SOURCE_DIR}/photon/sys/${PLATFORM})
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set(photon_libc_sources ${photon_libc_sources} ${platform_sources})
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add_library(c STATIC ${photon_libc_sources})
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target_compile_options(c PRIVATE -ffreestanding -nostdlib -nostdinc)
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target_include_directories(c PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/photon/libc/include)
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243
photon/libc/include/machine/_stdint.h
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243
photon/libc/include/machine/_stdint.h
Normal file
@@ -0,0 +1,243 @@
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#ifndef MACHINE__STDINT_H
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#define MACHINE__STDINT_H
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#define __EXP(x) __##x##__
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#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \
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|| ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) )
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#define __have_longlong64 1
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#endif
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#if __EXP(LONG_MAX) > 0x7fffffff
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#define __have_long64 1
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#elif __EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
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#define __have_long32 1
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __INT8_TYPE__
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typedef __INT8_TYPE__ __int8_t;
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#ifdef __UINT8_TYPE__
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typedef __UINT8_TYPE__ __uint8_t;
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#else
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typedef unsigned __INT8_TYPE__ __uint8_t;
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#endif
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#define ___int8_t_defined 1
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#elif __EXP(SCHAR_MAX) == 0x7f
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typedef signed char __int8_t ;
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typedef unsigned char __uint8_t ;
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#define ___int8_t_defined 1
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#endif
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#ifdef __INT16_TYPE__
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typedef __INT16_TYPE__ __int16_t;
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#ifdef __UINT16_TYPE__
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typedef __UINT16_TYPE__ __uint16_t;
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#else
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typedef unsigned __INT16_TYPE__ __uint16_t;
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#endif
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#define ___int16_t_defined 1
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#elif __EXP(INT_MAX) == 0x7fff
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typedef signed int __int16_t;
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typedef unsigned int __uint16_t;
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#define ___int16_t_defined 1
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#elif __EXP(SHRT_MAX) == 0x7fff
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typedef signed short __int16_t;
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typedef unsigned short __uint16_t;
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#define ___int16_t_defined 1
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#elif __EXP(SCHAR_MAX) == 0x7fff
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typedef signed char __int16_t;
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typedef unsigned char __uint16_t;
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#define ___int16_t_defined 1
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#endif
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#ifdef __INT32_TYPE__
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typedef __INT32_TYPE__ __int32_t;
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#ifdef __UINT32_TYPE__
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typedef __UINT32_TYPE__ __uint32_t;
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#else
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typedef unsigned __INT32_TYPE__ __uint32_t;
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#endif
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#define ___int32_t_defined 1
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#elif __EXP(INT_MAX) == 0x7fffffffL
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typedef signed int __int32_t;
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typedef unsigned int __uint32_t;
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#define ___int32_t_defined 1
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#elif __EXP(LONG_MAX) == 0x7fffffffL
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typedef signed long __int32_t;
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typedef unsigned long __uint32_t;
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#define ___int32_t_defined 1
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#elif __EXP(SHRT_MAX) == 0x7fffffffL
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typedef signed short __int32_t;
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typedef unsigned short __uint32_t;
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#define ___int32_t_defined 1
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#elif __EXP(SCHAR_MAX) == 0x7fffffffL
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typedef signed char __int32_t;
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typedef unsigned char __uint32_t;
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#define ___int32_t_defined 1
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#endif
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#ifdef __INT64_TYPE__
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typedef __INT64_TYPE__ __int64_t;
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#ifdef __UINT64_TYPE__
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typedef __UINT64_TYPE__ __uint64_t;
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#else
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typedef unsigned __INT64_TYPE__ __uint64_t;
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#endif
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#define ___int64_t_defined 1
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#elif __EXP(LONG_MAX) > 0x7fffffff
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typedef signed long __int64_t;
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typedef unsigned long __uint64_t;
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#define ___int64_t_defined 1
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/* GCC has __LONG_LONG_MAX__ */
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#elif defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)
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typedef signed long long __int64_t;
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typedef unsigned long long __uint64_t;
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#define ___int64_t_defined 1
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/* POSIX mandates LLONG_MAX in <limits.h> */
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#elif defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)
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typedef signed long long __int64_t;
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typedef unsigned long long __uint64_t;
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#define ___int64_t_defined 1
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#elif __EXP(INT_MAX) > 0x7fffffff
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typedef signed int __int64_t;
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typedef unsigned int __uint64_t;
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#define ___int64_t_defined 1
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#endif
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#ifdef __INT_LEAST8_TYPE__
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typedef __INT_LEAST8_TYPE__ __int_least8_t;
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#ifdef __UINT_LEAST8_TYPE__
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typedef __UINT_LEAST8_TYPE__ __uint_least8_t;
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#else
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typedef unsigned __INT_LEAST8_TYPE__ __uint_least8_t;
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#endif
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#define ___int_least8_t_defined 1
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#elif defined(___int8_t_defined)
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typedef __int8_t __int_least8_t;
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typedef __uint8_t __uint_least8_t;
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#define ___int_least8_t_defined 1
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#elif defined(___int16_t_defined)
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typedef __int16_t __int_least8_t;
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typedef __uint16_t __uint_least8_t;
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#define ___int_least8_t_defined 1
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#elif defined(___int32_t_defined)
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typedef __int32_t __int_least8_t;
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typedef __uint32_t __uint_least8_t;
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#define ___int_least8_t_defined 1
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#elif defined(___int64_t_defined)
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typedef __int64_t __int_least8_t;
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typedef __uint64_t __uint_least8_t;
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#define ___int_least8_t_defined 1
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#endif
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#ifdef __INT_LEAST16_TYPE__
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typedef __INT_LEAST16_TYPE__ __int_least16_t;
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#ifdef __UINT_LEAST16_TYPE__
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typedef __UINT_LEAST16_TYPE__ __uint_least16_t;
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#else
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typedef unsigned __INT_LEAST16_TYPE__ __uint_least16_t;
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#endif
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#define ___int_least16_t_defined 1
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#elif defined(___int16_t_defined)
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typedef __int16_t __int_least16_t;
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typedef __uint16_t __uint_least16_t;
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#define ___int_least16_t_defined 1
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#elif defined(___int32_t_defined)
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typedef __int32_t __int_least16_t;
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typedef __uint32_t __uint_least16_t;
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#define ___int_least16_t_defined 1
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#elif defined(___int64_t_defined)
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typedef __int64_t __int_least16_t;
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typedef __uint64_t __uint_least16_t;
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#define ___int_least16_t_defined 1
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#endif
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#ifdef __INT_LEAST32_TYPE__
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typedef __INT_LEAST32_TYPE__ __int_least32_t;
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#ifdef __UINT_LEAST32_TYPE__
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typedef __UINT_LEAST32_TYPE__ __uint_least32_t;
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#else
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typedef unsigned __INT_LEAST32_TYPE__ __uint_least32_t;
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#endif
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#define ___int_least32_t_defined 1
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#elif defined(___int32_t_defined)
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typedef __int32_t __int_least32_t;
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typedef __uint32_t __uint_least32_t;
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#define ___int_least32_t_defined 1
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#elif defined(___int64_t_defined)
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typedef __int64_t __int_least32_t;
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typedef __uint64_t __uint_least32_t;
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#define ___int_least32_t_defined 1
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#endif
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#ifdef __INT_LEAST64_TYPE__
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typedef __INT_LEAST64_TYPE__ __int_least64_t;
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#ifdef __UINT_LEAST64_TYPE__
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typedef __UINT_LEAST64_TYPE__ __uint_least64_t;
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#else
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typedef unsigned __INT_LEAST64_TYPE__ __uint_least64_t;
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#endif
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#define ___int_least64_t_defined 1
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#elif defined(___int64_t_defined)
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typedef __int64_t __int_least64_t;
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typedef __uint64_t __uint_least64_t;
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#define ___int_least64_t_defined 1
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#endif
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#if defined(__INTMAX_TYPE__)
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typedef __INTMAX_TYPE__ __intmax_t;
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#elif __have_longlong64
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typedef signed long long __intmax_t;
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#else
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typedef signed long __intmax_t;
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#endif
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#if defined(__UINTMAX_TYPE__)
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typedef __UINTMAX_TYPE__ __uintmax_t;
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#elif __have_longlong64
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typedef unsigned long long __uintmax_t;
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#else
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typedef unsigned long __uintmax_t;
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#endif
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#ifdef __INTPTR_TYPE__
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typedef __INTPTR_TYPE__ __intptr_t;
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#ifdef __UINTPTR_TYPE__
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typedef __UINTPTR_TYPE__ __uintptr_t;
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#else
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typedef unsigned __INTPTR_TYPE__ __uintptr_t;
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#endif
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#elif defined(__PTRDIFF_TYPE__)
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typedef __PTRDIFF_TYPE__ __intptr_t;
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typedef unsigned __PTRDIFF_TYPE__ __uintptr_t;
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#else
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typedef long __intptr_t;
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typedef unsigned long __uintptr_t;
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#endif
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typedef __int8_t __int_fast8_t;
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typedef __uint8_t __uint_fast8_t;
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typedef __int16_t __int_fast16_t;
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typedef __uint16_t __uint_fast16_t;
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typedef __int32_t __int_fast32_t;
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typedef __uint32_t __uint_fast32_t;
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typedef __int64_t __int_fast64_t;
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typedef __uint64_t __uint_fast64_t;
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#undef __EXP
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#ifdef __cplusplus
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}
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#endif
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#endif /* _MACHINE__STDINT_H */
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21
photon/libc/include/stddef.h
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21
photon/libc/include/stddef.h
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@@ -0,0 +1,21 @@
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#ifndef STDDEF_H_
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#define STDDEF_H_
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#include <machine/_stdint.h>
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#define NULL ((void *)0)
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#define offsetof(t, m) ((size_t)(&(t *)0)->m)
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#if defined(__cplusplus)
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extern "C" {
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#endif
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typedef __intptr_t ptrdiff_t;
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typedef __uintptr_t size_t;
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typedef int wchar_t;
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#if defined(__cplusplus)
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}
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#endif
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#endif
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53
photon/libc/include/stdint.h
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53
photon/libc/include/stdint.h
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@@ -0,0 +1,53 @@
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#ifndef STDINT_H_
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#define STDINT_H_
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#include <machine/_stdint.h>
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typedef __int8_t int8_t;
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typedef __uint8_t uint8_t;
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typedef __int16_t int16_t;
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typedef __uint16_t uint16_t;
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typedef __int32_t int32_t;
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typedef __uint32_t uint32_t;
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typedef __int64_t int64_t;
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typedef __uint64_t uint64_t;
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typedef __intptr_t intptr_t;
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typedef __uintptr_t uintptr_t;
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typedef __int_least8_t int_least8_t;
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typedef __uint_least8_t uint_least8_t;
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typedef __int_least16_t int_least16_t;
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typedef __uint_least16_t uint_least16_t;
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typedef __int_least32_t int_least32_t;
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typedef __uint_least32_t uint_least32_t;
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typedef __int_least64_t int_least64_t;
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typedef __uint_least64_t uint_least64_t;
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typedef __int_fast8_t int_fast8_t;
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typedef __uint_fast8_t uint_fast8_t;
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typedef __int_fast16_t int_fast16_t;
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typedef __uint_fast16_t uint_fast16_t;
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typedef __int_fast32_t int_fast32_t;
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typedef __uint_fast32_t uint_fast32_t;
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typedef __int_fast64_t int_fast64_t;
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typedef __uint_fast64_t uint_fast64_t;
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typedef __intmax_t intmax_t;
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typedef __uintmax_t uintmax_t;
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typedef __intptr_t intptr_t;
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typedef __uintptr_t uintptr_t;
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typedef
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#endif
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16
photon/libc/include/string.h
Normal file
16
photon/libc/include/string.h
Normal file
@@ -0,0 +1,16 @@
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#ifndef STRING_H_
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#define STRING_H_
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#include <stddef.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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extern size_t strlen(const char *str);
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#if defined(__cplusplus)
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} /* extern "C" */
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#endif
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#endif
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0
photon/libc/machine/i386/types.h
Normal file
0
photon/libc/machine/i386/types.h
Normal file
0
photon/libc/machine/x86_64/types.h
Normal file
0
photon/libc/machine/x86_64/types.h
Normal file
11
photon/libc/string/strlen.c
Normal file
11
photon/libc/string/strlen.c
Normal file
@@ -0,0 +1,11 @@
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#include <string.h>
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size_t strlen(const char *str)
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{
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const char *start = str;
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while (*str) {
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str++;
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}
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return str - start;
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}
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@@ -1,3 +0,0 @@
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int temp_2() {
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return 1;
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}
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