[PATCH v2 3/3] Add native target for FreeBSD/mips.
Luis Machado
lgustavo@codesourcery.com
Thu Dec 8 18:53:00 GMT 2016
On 12/06/2016 03:00 PM, John Baldwin wrote:
> This supports the o32 and n64 ABIs.
>
> gdb/ChangeLog:
>
> * Makefile.in (ALLDEPFILES): Add mips-fbsd-nat.c.
> * config/mips/fbsd.mh: New file.
> * configure.host: Add mips*-*-freebsd*.
> * mips-fbsd-nat.c: New file.
> ---
> gdb/ChangeLog | 7 +++
> gdb/Makefile.in | 1 +
> gdb/config/mips/fbsd.mh | 3 ++
> gdb/configure.host | 1 +
> gdb/mips-fbsd-nat.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 153 insertions(+)
> create mode 100644 gdb/config/mips/fbsd.mh
> create mode 100644 gdb/mips-fbsd-nat.c
>
> diff --git a/gdb/ChangeLog b/gdb/ChangeLog
> index 890702e..fc43f81 100644
> --- a/gdb/ChangeLog
> +++ b/gdb/ChangeLog
> @@ -1,5 +1,12 @@
> 2016-12-06 John Baldwin <jhb@FreeBSD.org>
>
> + * Makefile.in (ALLDEPFILES): Add mips-fbsd-nat.c.
> + * config/mips/fbsd.mh: New file.
> + * configure.host: Add mips*-*-freebsd*.
> + * mips-fbsd-nat.c: New file.
> +
> +2016-12-06 John Baldwin <jhb@FreeBSD.org>
> +
> * Makefile.in (ALL_TARGET_OBS): Add mips-fbsd-tdep.o.
> (ALLDEPFILES): Add mips-fbsd-tdep.c.
> * configure.tgt: Add mips*-*-freebsd*.
> diff --git a/gdb/Makefile.in b/gdb/Makefile.in
> index e34fa4a..dee9d73 100644
> --- a/gdb/Makefile.in
> +++ b/gdb/Makefile.in
> @@ -2542,6 +2542,7 @@ ALLDEPFILES = \
> microblaze-linux-tdep.c \
> microblaze-tdep.c \
> mingw-hdep.c \
> + mips-fbsd-nat.c \
> mips-fbsd-tdep.c \
> mips-linux-nat.c \
> mips-linux-tdep.c \
> diff --git a/gdb/config/mips/fbsd.mh b/gdb/config/mips/fbsd.mh
> new file mode 100644
> index 0000000..f433347
> --- /dev/null
> +++ b/gdb/config/mips/fbsd.mh
> @@ -0,0 +1,3 @@
> +# Host: FreeBSD/mips
> +NATDEPFILES= fork-child.o inf-ptrace.o fbsd-nat.o mips-fbsd-nat.o
> +HAVE_NATIVE_GCORE_HOST = 1
I suppose you tried the gcore command for native GDB on FreeBSD/MIPS and
it worked fine?
> diff --git a/gdb/configure.host b/gdb/configure.host
> index ef265eb..c45f61d 100644
> --- a/gdb/configure.host
> +++ b/gdb/configure.host
> @@ -129,6 +129,7 @@ m88*-*-openbsd*) gdb_host=obsd ;;
> mips*-*-linux*) gdb_host=linux ;;
> mips*-*-netbsd* | mips*-*-knetbsd*-gnu)
> gdb_host=nbsd ;;
> +mips*-*-freebsd*) gdb_host=fbsd ;;
> mips64*-*-openbsd*) gdb_host=obsd64 ;;
>
> powerpc-*-aix* | rs6000-*-* | powerpc64-*-aix*)
> diff --git a/gdb/mips-fbsd-nat.c b/gdb/mips-fbsd-nat.c
> new file mode 100644
> index 0000000..ec1dcd8
> --- /dev/null
> +++ b/gdb/mips-fbsd-nat.c
> @@ -0,0 +1,141 @@
> +/* Native-dependent code for FreeBSD/mips.
> +
> + Copyright (C) 2016 Free Software Foundation, Inc.
> +
> + This software was developed by SRI International and the University
> + of Cambridge Computer Laboratory under DARPA/AFRL contract
> + FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research
> + programme.
> +
> + 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 3 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, see <http://www.gnu.org/licenses/>. */
> +
> +#include "defs.h"
> +#include "inferior.h"
> +#include "regcache.h"
> +#include "target.h"
> +
> +#include <sys/types.h>
> +#include <sys/ptrace.h>
> +#include <machine/reg.h>
> +
> +#include "fbsd-nat.h"
> +#include "mips-tdep.h"
> +#include "mips-fbsd-tdep.h"
> +#include "inf-ptrace.h"
> +
> +/* Determine if PT_GETREGS fetches this register. */
> +
> +static bool
> +getregs_supplies (struct gdbarch *gdbarch, int regnum)
> +{
> + return ((regnum) >= MIPS_ZERO_REGNUM
> + && (regnum) <= gdbarch_pc_regnum (gdbarch));
> +}
> +
Not sure we need the extra ()'s around regnum.
Otherwise i have no further comments on this one.
I'm guessing someone from binutils' side will want to validate 1/3.
Thanks,
Luis
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