@@ -10,4 +10,44 @@ Because RT-Thread RTOS is used in embedded system mostly, there are some rules f
...
@@ -10,4 +10,44 @@ Because RT-Thread RTOS is used in embedded system mostly, there are some rules f
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.
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.
5. Multiple inheritance is strongly discouraged, as it can cause intolerable confusion.
*NOTE*: For armcc compiler, the libc must be enable.
*NOTE*: The libc must be enable.
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 */
