Add the needed libpthread_md.c for MIPS.

Obtained from:	Juniper Networks

1 files changed, 90 insertions, 0 deletions

diff --git a/lib/libthread_db/arch/mips/libpthread_md.c b/lib/libthread_db/arch/mips/libpthread_md.c
new file mode 100644
index 0000000..6d4556f
--- /dev/null
+++ b/lib/libthread_db/arch/mips/libpthread_md.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2006-2007, Juniper Networks, Inc.
+ * 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.
+ * 3. Neither the name of Juniper Networks nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JUNIPER NETWORKS ``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 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 <sys/procfs.h>
+#include <ucontext.h>
+#include <string.h>
+#include <thread_db.h>
+#include "libpthread_db.h"
+
+void
+pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
+{
+
+	memcpy(uc->uc_mcontext.mc_regs, &r->r_regs[ZERO],
+	    sizeof(uc->uc_mcontext.mc_regs));
+	uc->uc_mcontext.mc_pc = r->r_regs[PC];
+	uc->uc_mcontext.mullo = r->r_regs[MULLO];
+	uc->uc_mcontext.mulhi = r->r_regs[MULHI];
+}
+
+void
+pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
+{
+	memcpy(&r->r_regs[ZERO], uc->uc_mcontext.mc_regs,
+	    sizeof(uc->uc_mcontext.mc_regs));
+	r->r_regs[PC] = uc->uc_mcontext.mc_pc;
+	r->r_regs[MULLO] = uc->uc_mcontext.mullo;
+	r->r_regs[MULHI] = uc->uc_mcontext.mulhi;
+}
+
+void
+pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
+{
+
+	memcpy(uc->uc_mcontext.mc_fpregs, r->r_regs,
+	    sizeof(uc->uc_mcontext.mc_fpregs));
+}
+
+void
+pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
+{
+
+	memcpy(r->r_regs, uc->uc_mcontext.mc_fpregs,
+	    sizeof(uc->uc_mcontext.mc_fpregs));
+}
+
+void
+pt_md_init(void)
+{
+	/* Nothing to do */
+}
+
+int
+pt_reg_sstep(struct reg *reg __unused, int step __unused)
+{
+	/*
+	 * XXX: mips doesnt store single step info in any registers
+	 */
+	return (0);
+}