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/*
* System call support for simulator in gdb.
* Adapted from newlib 1.16.0.
*/
#define SYS_exit 1
#define SYS_open 2
#define SYS_close 3
#define SYS_read 4
#define SYS_write 5
#define SYS_lseek 6
#define SYS_unlink 7
#define SYS_getpid 8
#define SYS_kill 9
#define SYS_fstat 10
#define SYS_sbrk 11
#define POUND #
#define SYSCALL(N) mov.b POUND N,0x400
#define S(n) _sys_##n: .global _sys_##n | SYSCALL(SYS_##n) | rts
S(write)
S(exit)
S(sbrk)
.global _abort
_abort:
/* This is for debuggers. The simulator stops here too. */
brk
/* Else, fall back on the simulator's "kill me" option. */
#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
mov.w #42,r1
#else
mov.w #42,r0
#endif
SYSCALL(SYS_kill)
/* Else, exit. */
jmp.a __exit
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