1 files changed, 141 insertions, 0 deletions
diff --git a/lib/libc/sparc64/sys/__sparc_utrap.c b/lib/libc/sparc64/sys/__sparc_utrap.c
new file mode 100644
index 0000000..7a5dafa
--- /dev/null
+++ b/lib/libc/sparc64/sys/__sparc_utrap.c
@@ -0,0 +1,141 @@
+/*-
+ * Copyright (c) 2001 Jake Burkholder.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+
+#include <machine/utrap.h>
+#include <machine/sysarch.h>
+
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "fpu_extern.h"
+#include "__sparc_utrap_private.h"
+
+extern ssize_t __sys_write(int, const void *, size_t);
+extern int __sys_kill(pid_t, int);
+extern pid_t __sys_getpid(void);
+
+static const char *utrap_msg[] = {
+	"reserved",
+	"instruction access exception",
+	"instruction access error",
+	"instruction access protection",
+	"illtrap instruction",
+	"illegal instruction",
+	"privileged opcode",
+	"floating point disabled",
+	"floating point exception ieee 754",
+	"floating point exception other",
+	"tag overflow",
+	"division by zero",
+	"data access exception",
+	"data access error",
+	"data access protection",
+	"memory address not aligned",
+	"privileged action",
+	"async data error",
+	"trap instruction 16",
+	"trap instruction 17",
+	"trap instruction 18",
+	"trap instruction 19",
+	"trap instruction 20",
+	"trap instruction 21",
+	"trap instruction 22",
+	"trap instruction 23",
+	"trap instruction 24",
+	"trap instruction 25",
+	"trap instruction 26",
+	"trap instruction 27",
+	"trap instruction 28",
+	"trap instruction 29",
+	"trap instruction 30",
+	"trap instruction 31",
+};
+
+void
+__sparc_utrap(struct utrapframe *uf)
+{
+	int sig;
+
+	switch (uf->uf_type) {
+	case UT_FP_EXCEPTION_IEEE_754:
+	case UT_FP_EXCEPTION_OTHER:
+		sig = __fpu_exception(uf);
+		break;
+	case UT_ILLEGAL_INSTRUCTION:
+		sig = __emul_insn(uf);
+		break;
+	case UT_MEM_ADDRESS_NOT_ALIGNED:
+		sig = __unaligned_fixup(uf);
+		break;
+	default:
+		break;
+	}
+	if (sig) {
+		__utrap_write("__sparc_utrap: fatal ");
+		__utrap_write(utrap_msg[uf->uf_type]);
+		__utrap_write("\n");
+		__utrap_kill_self(sig);
+	}
+	UF_DONE(uf);
+}
+
+void
+__utrap_write(const char *str)
+{
+	int berrno;
+
+	berrno = errno;
+	__sys_write(STDERR_FILENO, str, strlen(str));
+	errno = berrno;
+}
+
+void
+__utrap_kill_self(int sig)
+{
+	int berrno;
+
+	berrno = errno;
+	__sys_kill(__sys_getpid(), sig);
+	errno = berrno;
+}
+
+void
+__utrap_panic(const char *msg)
+{
+
+	__utrap_write(msg);
+	__utrap_write("\n");
+	__utrap_kill_self(SIGKILL);
+}