Initial upstream version 9.4.3upstream/9.4.3

1 files changed, 23 insertions, 0 deletions

diff --git a/config/bsd/i386.c b/config/bsd/i386.c
new file mode 100644
index 0000000..1eecd7c
--- /dev/null
+++ b/config/bsd/i386.c
@@ -0,0 +1,23 @@
+/*
+ * coswitch for the i386 architecture
+ */
+
+int
+coswitch (int *old_cs, int *new_cs, int first)
+{
+	asm ("movl 8(%ebp),%eax");
+	asm ("movl %esp,0(%eax)");
+	asm ("movl %ebp,4(%eax)");
+	asm ("movl 12(%ebp),%eax");
+
+	if (first == 0) {                    /* this is the first activation */
+		asm ("movl 0(%eax),%esp");
+		asm ("movl $0,%ebp");
+		new_context (0, 0);
+		syserr ("new_context() returned in coswitch");
+	}
+	else {
+		asm ("movl 0(%eax),%esp");
+		asm ("movl 4(%eax),%ebp");
+	}
+}