Author: jhb
Date: Mon Feb 15 20:26:40 2016
New Revision: 295636
URL: https://svnweb.freebsd.org/changeset/base/295636
Log:
Sign extend the error value for failing Linux/i386 system calls. This
restores the mapping of Linux errors to native FreeBSD errno values after
the refactoring in r288424.
Modified:
head/usr.bin/truss/amd64-linux32.c
Modified: head/usr.bin/truss/amd64-linux32.c
==============================================================================
--- head/usr.bin/truss/amd64-linux32.c Mon Feb 15 19:56:35 2016
(r295635)
+++ head/usr.bin/truss/amd64-linux32.c Mon Feb 15 20:26:40 2016
(r295636)
@@ -115,6 +115,8 @@ amd64_linux32_fetch_retval(struct trussi
retval[0] = regs.r_rax & 0xffffffff;
retval[1] = regs.r_rdx & 0xffffffff;
*errorp = !!(regs.r_rflags & PSL_C);
+ if (*errorp)
+ retval[0] = (int)retval[0];
if (*errorp) {
for (i = 0; i < nitems(bsd_to_linux_errno); i++) {
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