Differential D29185 Diff 85838 sys/arm/cloudabi32/cloudabi32_sysvec.c

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Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Lines	cloudabi32_fetch_syscall_args(struct thread *td)
struct syscall_args *sa;		struct syscall_args *sa;
int error;		int error;

frame = td->td_frame;		frame = td->td_frame;
sa = &td->td_sa;		sa = &td->td_sa;

/* Obtain system call number. */		/* Obtain system call number. */
sa->code = frame->tf_r12;		sa->code = frame->tf_r12;
		sa->original_code = sa->code;
if (sa->code >= CLOUDABI32_SYS_MAXSYSCALL)		if (sa->code >= CLOUDABI32_SYS_MAXSYSCALL)
return (ENOSYS);		return (ENOSYS);
sa->callp = &cloudabi32_sysent[sa->code];		sa->callp = &cloudabi32_sysent[sa->code];

/* Fetch system call arguments from registers and the stack. */		/* Fetch system call arguments from registers and the stack. */
sa->args[0] = frame->tf_r0;		sa->args[0] = frame->tf_r0;
sa->args[1] = frame->tf_r1;		sa->args[1] = frame->tf_r1;
sa->args[2] = frame->tf_r2;		sa->args[2] = frame->tf_r2;
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