ref: 1cfa405d0a272cbd7df22d4b9767eb57e21cc21f
parent: 48c5da7a64804bf649ff815c778064dfe8c59711
author: aiju <devnull@localhost>
date: Mon Jun 12 13:09:11 EDT 2017
pc64: set error code and trap fields in Ureg* on syscalls
--- a/sys/src/9/pc64/l.s
+++ b/sys/src/9/pc64/l.s
@@ -722,8 +722,10 @@
PUSHQ R11 /* old flags */
PUSHQ $UESEL /* old code segment */
PUSHQ CX /* old ip */
+ PUSHQ $0 /* error code */
+ PUSHQ $64 /* trap number (VectorSYSCALL) */
- SUBQ $(8 + 23*8-5*8), SP /* arg + sizeof(Ureg)-pushed */
+ SUBQ $(8 + 23*8-7*8), SP /* arg + sizeof(Ureg)-pushed */
MOVQ RMACH, (15*8)(SP) /* old r15 */
MOVQ RUSER, (14*8)(SP) /* old r14 */