From: Andreas Schwab <schwab@linux-m68k.org>
Date: Sat, 5 Jun 2010 19:50:30 +0000 (+0200)
Subject: M68K: Fix fetching syscall arguments
X-Git-Tag: v4.6~109
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=246888d23999d2ce5301bd9f814ed5c09a6889b8;p=strace

M68K: Fix fetching syscall arguments

* syscall.c (syscall_enter) [M68K]: Properly handle more than five
syscall arguments.
---

diff --git a/syscall.c b/syscall.c
index 40eee3ac..ba2185c8 100644
--- a/syscall.c
+++ b/syscall.c
@@ -2249,6 +2249,18 @@ syscall_enter(struct tcb *tcp)
 				return -1;
 		}
 	}
+#elif defined (M68K)
+	{
+		int i;
+		if (tcp->scno >= 0 && tcp->scno < nsyscalls && sysent[tcp->scno].nargs != -1)
+			tcp->u_nargs = sysent[tcp->scno].nargs;
+		else
+			tcp->u_nargs = MAX_ARGS;
+		for (i = 0; i < tcp->u_nargs; i++) {
+			if (upeek(tcp, (i < 5 ? i : i + 2)*4, &tcp->u_arg[i]) < 0)
+				return -1;
+		}
+	}
 #else /* Other architecture (like i386) (32bits specific) */
 	{
 		int i;