Module Name: src
Committed By: reinoud
Date: Tue Aug 30 16:06:20 UTC 2011
Modified Files:
src/sys/arch/usermode/usermode: machdep.c
Log Message:
Hack to try to help usermode/i386 by setting the EBX register
To generate a diff of this commit:
cvs rdiff -u -r1.18 -r1.19 src/sys/arch/usermode/usermode/machdep.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/usermode/machdep.c
diff -u src/sys/arch/usermode/usermode/machdep.c:1.18 src/sys/arch/usermode/usermode/machdep.c:1.19
--- src/sys/arch/usermode/usermode/machdep.c:1.18 Mon Aug 29 12:46:58 2011
+++ src/sys/arch/usermode/usermode/machdep.c Tue Aug 30 16:06:20 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.18 2011/08/29 12:46:58 reinoud Exp $ */
+/* $NetBSD: machdep.c,v 1.19 2011/08/30 16:06:20 reinoud Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.18 2011/08/29 12:46:58 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.19 2011/08/30 16:06:20 reinoud Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -150,6 +150,12 @@
ucp->uc_stack.ss_size = pack->ep_ssize;
thunk_makecontext_trapframe2go(ucp, (void *) pack->ep_entry, &pcb->pcb_tf);
+#ifdef __i386__
+int *reg;
+reg = (int *) &ucp->uc_mcontext;
+reg[8] = l->l_proc->p_psstrp; /* _REG_EBX */
+#endif
+
printf("updated pcb %p\n", pcb);
printf("\tpcb->pcb_ucp.uc_stack.ss_sp = %p\n", pcb->pcb_ucp.uc_stack.ss_sp);
printf("\tpcb->pcb_ucp.uc_stack.ss_size = %d\n", (int) pcb->pcb_ucp.uc_stack.ss_size);
