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-# C++ support for RT-Thread #
-
-This is the C++ component in RT-Thread RTOS. In order to support C++ language, this component
-implement a basic environment, such as new/delete operators.
-
-Because RT-Thread RTOS is used in embedded system mostly, there are some rules for C++ applications:
-
-1. DOES NOT use exception.
-2. DOES NOT use Run-Time Type Information (RTTI).
-3. Template is discouraged and it easily causes code text large.
-4. Static class variables are discouraged. The time and place to call their constructor function could not be precisely controlled and make multi-threaded programming a nightmare.
-5. Multiple inheritance is strongly discouraged, as it can cause intolerable confusion.
-
-About GNU GCC compiler
-
-please add following string in your ld link script:
-
-    // in your .text section
-    PROVIDE(__ctors_start__ = .);
-    /* old GCC version uses .ctors */
-    KEEP(*(SORT(.ctors.*)))
-    KEEP(*(.ctors))
-    /* new GCC version uses .init_array */
-    KEEP (*(SORT(.init_array.*)))
-    KEEP (*(.init_array))
-    PROVIDE(__ctors_end__ = .);
-    
-    . = ALIGN(4);
-    
-    // as a standalone section if you use ARM target.
-    
-    /* The .ARM.exidx section is used for C++ exception handling. */
-    /* .ARM.exidx is sorted, so has to go in its own output section.  */
-    __exidx_start = .;
-    ARM.exidx :
-    {
-        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
-
-        /* This is used by the startup in order to initialize the .data secion */
-        _sidata = .;
-    } > CODE
-    __exidx_end = .;
-    
-    /* .data section which is used for initialized data */
-
-    // in your .data section
-    PROVIDE(__dtors_start__ = .);
-    KEEP(*(SORT(.dtors.*)))
-    KEEP(*(.dtors))
-    PROVIDE(__dtors_end__ = .);
-    
-    . = ALIGN(4);