From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sat, 28 Feb 2015 23:41:11 +0000 (+0000)
Subject: Fix multiple personalities support in decoding syscall return values
X-Git-Tag: v4.10~41
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d93d9f8d7f8d889eff14307983fc77ba2b023555;p=strace

Fix multiple personalities support in decoding syscall return values

* syscall.c (trace_syscall_exiting): When current personality is 32bit,
print 32bit return code.
---

diff --git a/syscall.c b/syscall.c
index 36c1254e..cfd16e72 100644
--- a/syscall.c
+++ b/syscall.c
@@ -2450,7 +2450,13 @@ trace_syscall_exiting(struct tcb *tcp)
 		else {
 			switch (sys_res & RVAL_MASK) {
 			case RVAL_HEX:
-				tprintf("= %#lx", tcp->u_rval);
+#if SUPPORTED_PERSONALITIES > 1
+				if (current_wordsize < sizeof(long))
+					tprintf("= %#x",
+						(unsigned int) tcp->u_rval);
+				else
+#endif
+					tprintf("= %#lx", tcp->u_rval);
 				break;
 			case RVAL_OCTAL:
 				tprintf("= %#lo", tcp->u_rval);