2001-12-17 Fernando Nasser <fnasser@redhat.com>

	From Richard Earnshaw <rearnsha@arm.com>:
        * config/arm/nbsd.mh, config/arm/nbsd.mt, config/arm/tm-nbsd.h,
        config/arm/nm-nbsd.h, config/arm/xm-nbsd.h: New files.
        * armbsd-nat.c: New file.
        * Makefile.in: Build it.
        * configure.host, configure.tgt: Support NetBSD/arm.

5 files changed, 123 insertions, 0 deletions

diff --git a/gdb/config/arm/nbsd.mh b/gdb/config/arm/nbsd.mh
new file mode 100644
index 00000000000..9842261cc6d
--- /dev/null
+++ b/gdb/config/arm/nbsd.mh
@@ -0,0 +1,5 @@
+# Host ARM running NetBSD
+XDEPFILES= ser-tcp.o
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o armbsd-nat.o
+XM_FILE=xm-nbsd.h
+NAT_FILE=nm-nbsd.h
diff --git a/gdb/config/arm/nbsd.mt b/gdb/config/arm/nbsd.mt
new file mode 100644
index 00000000000..54ff5fdd6a7
--- /dev/null
+++ b/gdb/config/arm/nbsd.mt
@@ -0,0 +1,3 @@
+# Target: ARM running NetBSD
+TDEPFILES= arm-tdep.o solib.o solib-svr4.o
+TM_FILE= tm-nbsd.h
diff --git a/gdb/config/arm/nm-nbsd.h b/gdb/config/arm/nm-nbsd.h
new file mode 100644
index 00000000000..981d960aef8
--- /dev/null
+++ b/gdb/config/arm/nm-nbsd.h
@@ -0,0 +1,33 @@
+/* Native-dependent definitions for ARM running NetBSD, for GDB.
+   Copyright 1986, 1987, 1989, 1992, 1994, 1999 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef NM_NBSD_H
+#define NM_NBSD_H
+
+/* Get generic NetBSD native definitions. */
+#include "nm-nbsd.h"
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+	(addr) = arm_register_u_addr ((blockend),(regno));
+
+extern int
+arm_register_u_addr PARAMS ((int, int));
+
+#endif /* NM_NBSD_H */
diff --git a/gdb/config/arm/tm-nbsd.h b/gdb/config/arm/tm-nbsd.h
new file mode 100644
index 00000000000..d9b84b46ab7
--- /dev/null
+++ b/gdb/config/arm/tm-nbsd.h
@@ -0,0 +1,60 @@
+/* Macro definitions for ARM running under NetBSD.
+   Copyright 1994, 1999 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef TM_NBSD_H
+#define TM_NBSD_H
+
+/* NetBSD doesn't have single stepping support in ptrace().  */
+#define SOFTWARE_SINGLE_STEP_P 1
+
+#include "arm/tm-arm.h"
+#include "tm-nbsd.h"
+
+#define JB_ELEMENT_SIZE sizeof(long)	/* jmp_buf[_JBLEN] is array of ints */
+#define JB_PC	24		/* Setjmp()'s return PC saved here */
+
+/* The first page is not writeable in NetBSD.  */
+#undef LOWEST_PC
+#define LOWEST_PC	0x8000
+
+/* Return non-zero if inside a shared-library entry stub.  */
+#undef IN_SOLIB_CALL_TRAMPOLINE
+#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
+  STREQ ((name), "_PROCEDURE_LINKAGE_TABLE_")
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+extern int
+get_longjmp_target PARAMS ((CORE_ADDR *));
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
+
+/* For compatibility with previous implemenations of GDB on arm/NetBSD,
+   override the default little-endian breakpoint.  */
+#undef ARM_LE_BREAKPOINT
+#define ARM_LE_BREAKPOINT {0x11, 0x00, 0x00, 0xe6}
+
+/* By convention, NetBSD uses the "other" register names. */
+#define DEFAULT_REGISTER_NAMES additional_register_names
+
+#endif /* TM_NBSD_H */
diff --git a/gdb/config/arm/xm-nbsd.h b/gdb/config/arm/xm-nbsd.h
new file mode 100644
index 00000000000..c5348d39629
--- /dev/null
+++ b/gdb/config/arm/xm-nbsd.h
@@ -0,0 +1,22 @@
+/* Parameters for execution on an ARM running NetBSD, for GDB.
+   Copyright 1994 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* Get generic NetBSD host definitions. */
+#include "xm-nbsd.h"