2013-02-04 Andreas Tobler <andreast@fgznet.ch>
* Makefile.in (ALL_TARGET_OBS): Add powerpc FreeBSD files. * configure.host: Add powerpc*-*-freebsd* target. * configure.tgt: Add target info for powerpc*-*-freebsd*. * ppcfbsd-nat.c, ppcfbsd-tdep.h, ppcfbsd-tdep.c: New files. * config/powerpc/fbsd.mh: New file.
This commit is contained in:
Andreas Tobler
parent
ace9af6f59
commit
dc18f110f2
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@ -1,3 +1,11 @@
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2013-02-04 Andreas Tobler <andreast@fgznet.ch>
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* Makefile.in (ALL_TARGET_OBS): Add powerpc FreeBSD files.
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* configure.host: Add powerpc*-*-freebsd* target.
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* configure.tgt: Add target info for powerpc*-*-freebsd*.
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* ppcfbsd-nat.c, ppcfbsd-tdep.h, ppcfbsd-tdep.c: New files.
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* config/powerpc/fbsd.mh: New file.
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2013-02-04 Sergio Durigan Junior <sergiodj@redhat.com>
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Denys Vlasenko <dvlasenk@redhat.com>
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Pedro Alves <palves@redhat.com>
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@ -772,8 +772,8 @@ LINTFILES = $(SFILES) $(YYFILES) $(CONFIG_SRCS) init.c
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HFILES_NO_SRCDIR = \
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common/gdb_signals.h common/gdb_thread_db.h common/gdb_vecs.h \
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common/i386-xstate.h common/linux-ptrace.h \
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proc-utils.h aarch64-tdep.h arm-tdep.h ax-gdb.h ppcnbsd-tdep.h \
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cli-out.h gdb_expat.h breakpoint.h infcall.h obsd-tdep.h \
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proc-utils.h aarch64-tdep.h arm-tdep.h ax-gdb.h ppcfbsd-tdep.h \
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ppcnbsd-tdep.h cli-out.h gdb_expat.h breakpoint.h infcall.h obsd-tdep.h \
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exec.h m32r-tdep.h osabi.h gdbcore.h solib-som.h amd64bsd-nat.h \
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i386bsd-nat.h xml-support.h xml-tdesc.h alphabsd-tdep.h gdb_obstack.h \
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ia64-tdep.h ada-lang.h ada-varobj.h varobj.h frv-tdep.h nto-tdep.h serial.h \
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@ -0,0 +1,23 @@
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# Native config information for GDB on PowerPC systems running FreeBSD.
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#
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# Copyright (C) 2013 Free Software Foundation, Inc.
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#
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# This file is part of GDB.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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NATDEPFILES= fbsd-nat.o fork-child.o inf-ptrace.o ppcfbsd-nat.o bsd-kvm.o
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LOADLIBES= -lkvm
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@ -125,6 +125,7 @@ mips64*-*-openbsd*) gdb_host=obsd64 ;;
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powerpc-*-aix* | rs6000-*-*)
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gdb_host=aix ;;
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powerpc*-*-freebsd*) gdb_host=fbsd ;;
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powerpc-*-linux*) gdb_host=linux ;;
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powerpc-*-netbsd* | powerpc-*-knetbsd*-gnu)
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gdb_host=nbsd ;;
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@ -395,6 +395,13 @@ mt-*-*)
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gdb_target_obs="mt-tdep.o"
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;;
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powerpc*-*-freebsd*)
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# Target: FreeBSD/powerpc
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gdb_target_obs="rs6000-tdep.o ppc-sysv-tdep.o ppc64-tdep.o \
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ppcfbsd-tdep.o solib-svr4.o \
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ravenscar-thread.o ppc-ravenscar-thread.o"
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;;
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powerpc-*-netbsd* | powerpc-*-knetbsd*-gnu)
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# Target: NetBSD/powerpc
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gdb_target_obs="rs6000-tdep.o ppc-sysv-tdep.o ppcnbsd-tdep.o \
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@ -0,0 +1,224 @@
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/* Native-dependent code for PowerPC's running FreeBSD, for GDB.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "inferior.h"
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#include "regcache.h"
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#include "gdb_assert.h"
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/procfs.h>
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#include <sys/ptrace.h>
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#include <sys/signal.h>
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#include <machine/frame.h>
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#include <machine/pcb.h>
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#include <machine/reg.h>
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#include "fbsd-nat.h"
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#include "gregset.h"
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#include "ppc-tdep.h"
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#include "ppcfbsd-tdep.h"
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#include "inf-ptrace.h"
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#include "bsd-kvm.h"
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/* Fill GDB's register array with the general-purpose register values
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in *GREGSETP. */
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void
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supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
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{
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const struct regset *regset = ppc_fbsd_gregset (sizeof (long));
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ppc_supply_gregset (regset, regcache, -1, gregsetp, sizeof (*gregsetp));
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}
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/* Fill register REGNO (if a gpr) in *GREGSETP with the value in GDB's
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register array. If REGNO is -1 do it for all registers. */
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void
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fill_gregset (const struct regcache *regcache,
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gdb_gregset_t *gregsetp, int regno)
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{
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const struct regset *regset = ppc_fbsd_gregset (sizeof (long));
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if (regno == -1)
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memset (gregsetp, 0, sizeof (*gregsetp));
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ppc_collect_gregset (regset, regcache, regno, gregsetp, sizeof (*gregsetp));
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}
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/* Fill GDB's register array with the floating-point register values
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in *FPREGSETP. */
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void
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supply_fpregset (struct regcache *regcache, const gdb_fpregset_t * fpregsetp)
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{
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const struct regset *regset = ppc_fbsd_fpregset ();
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ppc_supply_fpregset (regset, regcache, -1,
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fpregsetp, sizeof (*fpregsetp));
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}
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/* Fill register REGNO in *FGREGSETP with the value in GDB's
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register array. If REGNO is -1 do it for all registers. */
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void
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fill_fpregset (const struct regcache *regcache,
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gdb_fpregset_t *fpregsetp, int regno)
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{
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const struct regset *regset = ppc_fbsd_fpregset ();
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ppc_collect_fpregset (regset, regcache, regno,
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fpregsetp, sizeof (*fpregsetp));
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}
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/* Returns true if PT_GETFPREGS fetches this register. */
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static int
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getfpregs_supplies (struct gdbarch *gdbarch, int regno)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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/* FIXME: jimb/2004-05-05: Some PPC variants don't have floating
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point registers. Traditionally, GDB's register set has still
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listed the floating point registers for such machines, so this
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code is harmless. However, the new E500 port actually omits the
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floating point registers entirely from the register set --- they
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don't even have register numbers assigned to them.
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It's not clear to me how best to update this code, so this assert
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will alert the first person to encounter the NetBSD/E500
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combination to the problem. */
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gdb_assert (ppc_floating_point_unit_p (gdbarch));
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return ((regno >= tdep->ppc_fp0_regnum
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&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)
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|| regno == tdep->ppc_fpscr_regnum);
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}
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/* Fetch register REGNO from the child process. If REGNO is -1, do it
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for all registers. */
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static void
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ppcfbsd_fetch_inferior_registers (struct target_ops *ops,
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struct regcache *regcache, int regno)
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{
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gdb_gregset_t regs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) ®s, 0) == -1)
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perror_with_name (_("Couldn't get registers"));
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supply_gregset (regcache, ®s);
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if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno))
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{
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const struct regset *fpregset = ppc_fbsd_fpregset ();
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gdb_fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't get FP registers"));
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ppc_supply_fpregset (fpregset, regcache, regno, &fpregs, sizeof fpregs);
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}
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}
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/* Store register REGNO back into the child process. If REGNO is -1,
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do this for all registers. */
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static void
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ppcfbsd_store_inferior_registers (struct target_ops *ops,
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struct regcache *regcache, int regno)
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{
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gdb_gregset_t regs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) ®s, 0) == -1)
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perror_with_name (_("Couldn't get registers"));
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fill_gregset (regcache, ®s, regno);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) ®s, 0) == -1)
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perror_with_name (_("Couldn't write registers"));
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if (regno == -1 || getfpregs_supplies (get_regcache_arch (regcache), regno))
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{
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gdb_fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't get FP registers"));
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fill_fpregset (regcache, &fpregs, regno);
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't set FP registers"));
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}
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}
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/* Architecture specific function that reconstructs the
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register state from PCB (Process Control Block) and supplies it
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to REGCACHE. */
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static int
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ppcfbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
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{
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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int i, regnum;
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/* The stack pointer shouldn't be zero. */
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if (pcb->pcb_sp == 0)
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return 0;
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regcache_raw_supply (regcache, gdbarch_sp_regnum (gdbarch), &pcb->pcb_sp);
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regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &pcb->pcb_cr);
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regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &pcb->pcb_lr);
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for (i = 0, regnum = tdep->ppc_gp0_regnum + 14; i < 20; i++, regnum++)
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regcache_raw_supply (regcache, regnum, &pcb->pcb_context[i]);
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return 1;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_ppcfbsd_nat (void);
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void
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_initialize_ppcfbsd_nat (void)
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{
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struct target_ops *t;
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/* Add in local overrides. */
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t = inf_ptrace_target ();
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t->to_fetch_registers = ppcfbsd_fetch_inferior_registers;
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t->to_store_registers = ppcfbsd_store_inferior_registers;
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t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
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t->to_find_memory_regions = fbsd_find_memory_regions;
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t->to_make_corefile_notes = fbsd_make_corefile_notes;
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add_target (t);
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/* Support debugging kernel virtual memory images. */
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bsd_kvm_add_target (ppcfbsd_supply_pcb);
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}
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@ -0,0 +1,355 @@
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/* Target-dependent code for PowerPC systems running FreeBSD.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of GDB.
|
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|
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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/>. */
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#include "defs.h"
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#include "arch-utils.h"
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#include "frame.h"
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#include "gdbcore.h"
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#include "frame-unwind.h"
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#include "gdbtypes.h"
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#include "osabi.h"
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#include "regcache.h"
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#include "regset.h"
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#include "symtab.h"
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#include "target.h"
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#include "trad-frame.h"
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#include "gdb_assert.h"
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#include "gdb_string.h"
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#include "ppc-tdep.h"
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#include "ppc64-tdep.h"
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#include "ppcfbsd-tdep.h"
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#include "solib-svr4.h"
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/* 32-bit regset descriptions. */
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static const struct ppc_reg_offsets ppc32_fbsd_reg_offsets =
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{
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/* General-purpose registers. */
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/* .r0_offset = */ 0,
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/* .gpr_size = */ 4,
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/* .xr_size = */ 4,
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/* .pc_offset = */ 144,
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/* .ps_offset = */ -1,
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/* .cr_offset = */ 132,
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/* .lr_offset = */ 128,
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/* .ctr_offset = */ 140,
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/* .xer_offset = */ 136,
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/* .mq_offset = */ -1,
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/* Floating-point registers. */
|
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/* .f0_offset = */ 0,
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/* .fpscr_offset = */ 256,
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/* .fpscr_size = */ 8,
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#ifdef NOTYET
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/* AltiVec registers. */
|
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/* .vr0_offset = */ 0,
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/* .vscr_offset = */ 512 + 12,
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/* .vrsave_offset = */ 512
|
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#endif
|
||||
};
|
||||
|
||||
/* 64-bit regset descriptions. */
|
||||
|
||||
static const struct ppc_reg_offsets ppc64_fbsd_reg_offsets =
|
||||
{
|
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/* General-purpose registers. */
|
||||
/* .r0_offset = */ 0,
|
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/* .gpr_size = */ 8,
|
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/* .xr_size = */ 8,
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/* .pc_offset = */ 288,
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/* .ps_offset = */ -1,
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/* .cr_offset = */ 264,
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/* .lr_offset = */ 256,
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/* .ctr_offset = */ 280,
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/* .xer_offset = */ 272,
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/* .mq_offset = */ -1,
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/* Floating-point registers. */
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/* .f0_offset = */ 0,
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/* .fpscr_offset = */ 256,
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||||
/* .fpscr_size = */ 8,
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#ifdef NOYET
|
||||
/* AltiVec registers. */
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||||
/* .vr0_offset = */ 0,
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||||
/* .vscr_offset = */ 512 + 12,
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/* .vrsave_offset = */ 528
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#endif
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||||
};
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||||
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||||
/* 32-bit general-purpose register set. */
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||||
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static const struct regset ppc32_fbsd_gregset = {
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&ppc32_fbsd_reg_offsets,
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ppc_supply_gregset,
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ppc_collect_gregset,
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NULL
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||||
};
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||||
|
||||
/* 64-bit general-purpose register set. */
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||||
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||||
static const struct regset ppc64_fbsd_gregset = {
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&ppc64_fbsd_reg_offsets,
|
||||
ppc_supply_gregset,
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ppc_collect_gregset,
|
||||
NULL
|
||||
};
|
||||
|
||||
/* 32-/64-bit floating-point register set. */
|
||||
|
||||
static struct regset ppc32_fbsd_fpregset = {
|
||||
&ppc32_fbsd_reg_offsets,
|
||||
ppc_supply_fpregset,
|
||||
ppc_collect_fpregset
|
||||
};
|
||||
|
||||
const struct regset *
|
||||
ppc_fbsd_gregset (int wordsize)
|
||||
{
|
||||
return wordsize == 8 ? &ppc64_fbsd_gregset : &ppc32_fbsd_gregset;
|
||||
}
|
||||
|
||||
const struct regset *
|
||||
ppc_fbsd_fpregset (void)
|
||||
{
|
||||
return &ppc32_fbsd_fpregset;
|
||||
}
|
||||
|
||||
/* Return the appropriate register set for the core section identified
|
||||
by SECT_NAME and SECT_SIZE. */
|
||||
|
||||
static const struct regset *
|
||||
ppcfbsd_regset_from_core_section (struct gdbarch *gdbarch,
|
||||
const char *sect_name, size_t sect_size)
|
||||
{
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
if (strcmp (sect_name, ".reg") == 0 && sect_size >= 148)
|
||||
{
|
||||
if (tdep->wordsize == 4)
|
||||
return &ppc32_fbsd_gregset;
|
||||
else
|
||||
return &ppc64_fbsd_gregset;
|
||||
}
|
||||
if (strcmp (sect_name, ".reg2") == 0 && sect_size >= 264)
|
||||
return &ppc32_fbsd_fpregset;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Default page size. */
|
||||
|
||||
static const int ppcfbsd_page_size = 4096;
|
||||
|
||||
/* Offset for sigreturn(2). */
|
||||
|
||||
static const int ppcfbsd_sigreturn_offset[] = {
|
||||
0xc, /* FreeBSD 32-bit */
|
||||
-1
|
||||
};
|
||||
|
||||
/* Signal trampolines. */
|
||||
|
||||
static int
|
||||
ppcfbsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
|
||||
struct frame_info *this_frame,
|
||||
void **this_cache)
|
||||
{
|
||||
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
||||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||||
CORE_ADDR pc = get_frame_pc (this_frame);
|
||||
CORE_ADDR start_pc = (pc & ~(ppcfbsd_page_size - 1));
|
||||
const int *offset;
|
||||
const char *name;
|
||||
|
||||
/* A stack trampoline is detected if no name is associated
|
||||
to the current pc and if it points inside a trampoline
|
||||
sequence. */
|
||||
|
||||
find_pc_partial_function (pc, &name, NULL, NULL);
|
||||
|
||||
/* If we have a name, we have no trampoline, return. */
|
||||
if (name)
|
||||
return 0;
|
||||
|
||||
for (offset = ppcfbsd_sigreturn_offset; *offset != -1; offset++)
|
||||
{
|
||||
gdb_byte buf[2 * PPC_INSN_SIZE];
|
||||
unsigned long insn;
|
||||
|
||||
if (!safe_frame_unwind_memory (this_frame, start_pc + *offset,
|
||||
buf, sizeof buf))
|
||||
continue;
|
||||
|
||||
/* Check for "li r0,SYS_sigreturn". */
|
||||
insn = extract_unsigned_integer (buf, PPC_INSN_SIZE, byte_order);
|
||||
if (insn != 0x380001a1)
|
||||
continue;
|
||||
|
||||
/* Check for "sc". */
|
||||
insn = extract_unsigned_integer (buf + PPC_INSN_SIZE,
|
||||
PPC_INSN_SIZE, byte_order);
|
||||
if (insn != 0x44000002)
|
||||
continue;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct trad_frame_cache *
|
||||
ppcfbsd_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
|
||||
{
|
||||
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||||
struct trad_frame_cache *cache;
|
||||
CORE_ADDR addr, base, func;
|
||||
gdb_byte buf[PPC_INSN_SIZE];
|
||||
int i;
|
||||
|
||||
if (*this_cache)
|
||||
return *this_cache;
|
||||
|
||||
cache = trad_frame_cache_zalloc (this_frame);
|
||||
*this_cache = cache;
|
||||
|
||||
func = get_frame_pc (this_frame);
|
||||
func &= ~(ppcfbsd_page_size - 1);
|
||||
if (!safe_frame_unwind_memory (this_frame, func, buf, sizeof buf))
|
||||
return cache;
|
||||
|
||||
base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch));
|
||||
addr = base + 0x10 + 2 * tdep->wordsize;
|
||||
for (i = 0; i < ppc_num_gprs; i++, addr += tdep->wordsize)
|
||||
{
|
||||
int regnum = i + tdep->ppc_gp0_regnum;
|
||||
trad_frame_set_reg_addr (cache, regnum, addr);
|
||||
}
|
||||
trad_frame_set_reg_addr (cache, tdep->ppc_lr_regnum, addr);
|
||||
addr += tdep->wordsize;
|
||||
trad_frame_set_reg_addr (cache, tdep->ppc_cr_regnum, addr);
|
||||
addr += tdep->wordsize;
|
||||
trad_frame_set_reg_addr (cache, tdep->ppc_xer_regnum, addr);
|
||||
addr += tdep->wordsize;
|
||||
trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, addr);
|
||||
addr += tdep->wordsize;
|
||||
trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), addr);
|
||||
/* SRR0? */
|
||||
addr += tdep->wordsize;
|
||||
|
||||
/* Construct the frame ID using the function start. */
|
||||
trad_frame_set_id (cache, frame_id_build (base, func));
|
||||
|
||||
return cache;
|
||||
}
|
||||
|
||||
static void
|
||||
ppcfbsd_sigtramp_frame_this_id (struct frame_info *this_frame,
|
||||
void **this_cache, struct frame_id *this_id)
|
||||
{
|
||||
struct trad_frame_cache *cache =
|
||||
ppcfbsd_sigtramp_frame_cache (this_frame, this_cache);
|
||||
|
||||
trad_frame_get_id (cache, this_id);
|
||||
}
|
||||
|
||||
static struct value *
|
||||
ppcfbsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
|
||||
void **this_cache, int regnum)
|
||||
{
|
||||
struct trad_frame_cache *cache =
|
||||
ppcfbsd_sigtramp_frame_cache (this_frame, this_cache);
|
||||
|
||||
return trad_frame_get_register (cache, this_frame, regnum);
|
||||
}
|
||||
|
||||
static const struct frame_unwind ppcfbsd_sigtramp_frame_unwind = {
|
||||
SIGTRAMP_FRAME,
|
||||
default_frame_unwind_stop_reason,
|
||||
ppcfbsd_sigtramp_frame_this_id,
|
||||
ppcfbsd_sigtramp_frame_prev_register,
|
||||
NULL,
|
||||
ppcfbsd_sigtramp_frame_sniffer
|
||||
};
|
||||
|
||||
static enum return_value_convention
|
||||
ppcfbsd_return_value (struct gdbarch *gdbarch, struct value *function,
|
||||
struct type *valtype, struct regcache *regcache,
|
||||
gdb_byte *readbuf, const gdb_byte *writebuf)
|
||||
{
|
||||
return ppc_sysv_abi_broken_return_value (gdbarch, function, valtype,
|
||||
regcache, readbuf, writebuf);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
ppcfbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||||
{
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
|
||||
/* FreeBSD doesn't support the 128-bit `long double' from the psABI. */
|
||||
set_gdbarch_long_double_bit (gdbarch, 64);
|
||||
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
|
||||
|
||||
if (tdep->wordsize == 4)
|
||||
{
|
||||
set_gdbarch_return_value (gdbarch, ppcfbsd_return_value);
|
||||
|
||||
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
|
||||
set_solib_svr4_fetch_link_map_offsets (gdbarch,
|
||||
svr4_ilp32_fetch_link_map_offsets);
|
||||
|
||||
frame_unwind_append_unwinder (gdbarch, &ppcfbsd_sigtramp_frame_unwind);
|
||||
set_gdbarch_gcore_bfd_target (gdbarch, "elf32-powerpc");
|
||||
}
|
||||
|
||||
if (tdep->wordsize == 8)
|
||||
{
|
||||
set_gdbarch_convert_from_func_ptr_addr
|
||||
(gdbarch, ppc64_convert_from_func_ptr_addr);
|
||||
set_gdbarch_skip_trampoline_code (gdbarch, ppc64_skip_trampoline_code);
|
||||
set_solib_svr4_fetch_link_map_offsets (gdbarch,
|
||||
svr4_lp64_fetch_link_map_offsets);
|
||||
set_gdbarch_gcore_bfd_target (gdbarch, "elf64-powerpc");
|
||||
}
|
||||
|
||||
set_gdbarch_regset_from_core_section
|
||||
(gdbarch, ppcfbsd_regset_from_core_section);
|
||||
|
||||
set_gdbarch_fetch_tls_load_module_address (gdbarch,
|
||||
svr4_fetch_objfile_link_map);
|
||||
}
|
||||
|
||||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||||
|
||||
void _initialize_ppcfbsd_tdep (void);
|
||||
|
||||
void
|
||||
_initialize_ppcfbsd_tdep (void)
|
||||
{
|
||||
gdbarch_register_osabi (bfd_arch_powerpc, bfd_mach_ppc, GDB_OSABI_FREEBSD_ELF,
|
||||
ppcfbsd_init_abi);
|
||||
gdbarch_register_osabi (bfd_arch_powerpc, bfd_mach_ppc64,
|
||||
GDB_OSABI_FREEBSD_ELF,
|
||||
ppcfbsd_init_abi);
|
||||
gdbarch_register_osabi (bfd_arch_rs6000, 0, GDB_OSABI_FREEBSD_ELF,
|
||||
ppcfbsd_init_abi);
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/* Target-dependent code for GDB on PowerPC systems running FreeBSD.
|
||||
|
||||
Copyright (C) 2013 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 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/>. */
|
||||
|
||||
#ifndef PPCFBSD_TDEP_H
|
||||
#define PPCFBSD_TDEP_H
|
||||
|
||||
struct regset;
|
||||
|
||||
/* From ppcfbsd-tdep.c ... */
|
||||
const struct regset *ppc_fbsd_gregset (int);
|
||||
const struct regset *ppc_fbsd_fpregset (void);
|
||||
|
||||
#endif /* PPCFBSD_TDEP_H */
|
||||
Loading…
Reference in New Issue