diff options
Diffstat (limited to 'libgloss/xstormy16/syscalls.m4')
| -rw-r--r-- | libgloss/xstormy16/syscalls.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libgloss/xstormy16/syscalls.m4 b/libgloss/xstormy16/syscalls.m4 new file mode 100644 index 000000000..ab71fc6d5 --- /dev/null +++ b/libgloss/xstormy16/syscalls.m4 @@ -0,0 +1,40 @@ +# xstormy16 system calls for the simulator + +#include <syscall.h> + + .text + +define(`syscall',`.globl _`'$1 +_`'$1`': + mov r1,#SYS_$1 + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size $1,0b-_$1 +')dnl + syscall(exit) + syscall(open) + syscall(close) + syscall(read) + syscall(write) + syscall(lseek) + syscall(unlink) + syscall(getpid) + syscall(kill) + syscall(fstat) + syscall(chdir) + syscall(stat) + syscall(chmod) + syscall(utime) + syscall(time) + syscall(gettimeofday) + syscall(times) + syscall(link) +dnl +syscall_error: + push r0 + callf __errno + pop r0 + mov.w (r2),r0 + ret +0: .size syscall_error,0b-syscall_error |