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RTX - pre_main for GCC C function

pull/1730/head
0xc0170 2016-05-11 14:12:54 -05:00
parent 230be00443
commit 8420e13246
1 changed files with 8 additions and 15 deletions
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23
rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
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@ -555,21 +555,14 @@ __asm void __rt_entry (void) {
#elif defined (__GNUC__)
__attribute__((naked)) void pre_main (void) {
__asm (
".syntax unified\n"
".thumb\n"
/* Save link register (keep 8 byte alignment with dummy r4) */
"push {r4, lr}\n"
"ldr r0,= __libc_fini_array\n"
"bl atexit\n"
"bl __libc_init_array\n"
/* Restore link register and branch so when main returns it
* goes to the thread destroy function.
*/
"pop {r4, lr}\n"
"b main\n"
);
extern void __libc_fini_array(void);
extern void __libc_init_array (void);
extern int main(int argc, char **argv);
void pre_main(void) {
atexit(__libc_fini_array);
__libc_init_array();
main(0, NULL);
}
__attribute__((naked)) void software_init_hook (void) {