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Elaborate return value printing to include JUSTRETURN etc. instead of

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reporting it as an error!
This commit is contained in:
reinoud 2011-12-12 19:59:21 +00:00
parent 7a65048668
commit b868d1c2d4
1 changed files with 18 additions and 7 deletions
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25
sys/arch/usermode/usermode/syscall.c
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@ -1,4 +1,4 @@
/* $NetBSD: syscall.c,v 1.16 2011/12/12 15:05:36 reinoud Exp $ */
/* $NetBSD: syscall.c,v 1.17 2011/12/12 19:59:21 reinoud Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.16 2011/12/12 15:05:36 reinoud Exp $");
__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.17 2011/12/12 19:59:21 reinoud Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -159,7 +159,7 @@ syscall_args_print(lwp_t *l, int code, int nargs, int argsize, register_t *args)
{
char **argv, **envp;
//return;
return;
if (code != 4) {
printf("lwp %p, code %3d, nargs %d, argsize %3d\t%s(",
l, code, nargs, argsize, syscallnames[code]);
@ -217,10 +217,21 @@ syscall_args_print(lwp_t *l, int code, int nargs, int argsize, register_t *args)
static void
syscall_retvals_print(lwp_t *l, lwp_t *clwp, int code, int nargs, register_t *args, int error, register_t *rval)
{
//return;
char const *errstr;
return;
switch (error) {
case EJUSTRETURN:
errstr = "EJUSTRETURN";
break;
case EAGAIN:
errstr = "EGAIN";
break;
default:
errstr = "OK";
}
if (code != 4)
printf("=> %s%s: %d, (%"PRIx32", %"PRIx32")\n",
(l != clwp)?"(FORKED) ":"", error?"ERROR":"OK",
error, (uint) (rval[0]), (uint) (rval[1]));
printf("=> %s: %d, (%"PRIx32", %"PRIx32")\n",
errstr, error, (uint) (rval[0]), (uint) (rval[1]));
}