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/* Support files for GNU libc. Files in the C namespace go here.
Files in the system namespace (ie those that start with an underscore)
go in syscalls.c.
Note: These functions are in a seperate file so that OS providers can
overrride the system call stubs (defined in syscalls.c) without having
to provide libc funcitons as well. */
#include "swi.h"
#ifdef ARM_RDI_MONITOR
static inline int
do_AngelSWI (int reason, void * arg)
{
int value;
asm volatile ("mov r0, %1; mov r1, %2; swi %a3; mov %0, r0"
: "=r" (value) /* Outputs */
: "r" (reason), "r" (arg), "i" (AngelSWI) /* Inputs */
: "r0", "r1", "lr"
/* Clobbers r0 and r1, and lr if in supervisor mode */);
return value;
}
#endif /* ARM_RDI_MONITOR */
void
abort (void)
{
#ifdef ARM_RDI_MONITOR
do_AngelSWI (AngelSWI_Reason_ReportException,
(void *) ADP_Stopped_RunTimeError);
#else
asm ("mov r0,#17\nswi %a0" :: "i" (SWI_Exit));
#endif
}
isatty (int fd)
{
return 1;
}
void
alarm (void)
{
}
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