diff options
Diffstat (limited to 'devel/gdb66/files/patch-ppcfbsd-nat.c')
| -rw-r--r-- | devel/gdb66/files/patch-ppcfbsd-nat.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/devel/gdb66/files/patch-ppcfbsd-nat.c b/devel/gdb66/files/patch-ppcfbsd-nat.c deleted file mode 100644 index d9b79fc1000a..000000000000 --- a/devel/gdb66/files/patch-ppcfbsd-nat.c +++ /dev/null @@ -1,196 +0,0 @@ - -$FreeBSD: /tmp/pcvs/ports/devel/gdb66/files/Attic/patch-ppcfbsd-nat.c,v 1.1 2006-08-12 20:54:37 obrien Exp $ - ---- /dev/null -+++ gdb/ppcfbsd-nat.c -@@ -0,0 +1,190 @@ -+/* Native-dependent code for PowerPC's running FreeBSD, for GDB. -+ Copyright 2002, 2004 Free Software Foundation, Inc. -+ Contributed by Wasabi Systems, 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. */ -+ -+#include <sys/types.h> -+#include <sys/ptrace.h> -+#include <machine/reg.h> -+#include <machine/frame.h> -+#include <machine/pcb.h> -+ -+#include "defs.h" -+#include "inferior.h" -+#include "gdb_assert.h" -+#include "gdbcore.h" -+#include "regcache.h" -+#include "bsd-kvm.h" -+ -+#include "ppc-tdep.h" -+#include "ppcfbsd-tdep.h" -+ -+#include "inf-ptrace.h" -+ -+/* Returns true if PT_GETREGS fetches this register. */ -+static int -+getregs_supplies (int regno) -+{ -+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); -+ -+ return ((regno >= tdep->ppc_gp0_regnum -+ && regno < tdep->ppc_gp0_regnum + ppc_num_gprs) -+ || regno == tdep->ppc_lr_regnum -+ || regno == tdep->ppc_cr_regnum -+ || regno == tdep->ppc_xer_regnum -+ || regno == tdep->ppc_ctr_regnum -+ || regno == PC_REGNUM); -+} -+ -+/* Like above, but for PT_GETFPREGS. */ -+static int -+getfpregs_supplies (int regno) -+{ -+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); -+ -+ /* FIXME: jimb/2004-05-05: Some PPC variants don't have floating -+ point registers. Traditionally, GDB's register set has still -+ listed the floating point registers for such machines, so this -+ code is harmless. However, the new E500 port actually omits the -+ floating point registers entirely from the register set --- they -+ don't even have register numbers assigned to them. -+ -+ It's not clear to me how best to update this code, so this assert -+ will alert the first person to encounter the NetBSD/E500 -+ combination to the problem. */ -+ gdb_assert (ppc_floating_point_unit_p (current_gdbarch)); -+ -+ return ((regno >= tdep->ppc_fp0_regnum -+ && regno < tdep->ppc_fp0_regnum + ppc_num_fprs) -+ || regno == tdep->ppc_fpscr_regnum); -+} -+ -+static void -+ppcfbsd_fetch_inferior_registers (int regno) -+{ -+ if (regno == -1 || getregs_supplies (regno)) -+ { -+ struct reg regs; -+ -+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) ®s, 0) == -1) -+ perror_with_name (_("Couldn't get registers")); -+ -+ ppcfbsd_supply_reg ((char *) ®s, regno); -+ if (regno != -1) -+ return; -+ } -+ -+ if (regno == -1 || getfpregs_supplies (regno)) -+ { -+ struct fpreg fpregs; -+ -+ if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) -+ perror_with_name (_("Couldn't get FP registers")); -+ -+ ppcfbsd_supply_fpreg ((char *) &fpregs, regno); -+ if (regno != -1) -+ return; -+ } -+} -+ -+static void -+ppcfbsd_store_inferior_registers (int regno) -+{ -+ if (regno == -1 || getregs_supplies (regno)) -+ { -+ struct reg regs; -+ -+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) ®s, 0) == -1) -+ perror_with_name (_("Couldn't get registers")); -+ -+ ppcfbsd_fill_reg ((char *) ®s, regno); -+ -+ if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) ®s, 0) == -1) -+ perror_with_name (_("Couldn't write registers")); -+ -+ if (regno != -1) -+ return; -+ } -+ -+ if (regno == -1 || getfpregs_supplies (regno)) -+ { -+ struct fpreg fpregs; -+ -+ if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) -+ perror_with_name (_("Couldn't get FP registers")); -+ -+ ppcfbsd_fill_fpreg ((char *) &fpregs, regno); -+ -+ if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), -+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) -+ perror_with_name (_("Couldn't set FP registers")); -+ } -+} -+ -+static int -+ppcfbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) -+{ -+ struct switchframe sf; -+ struct callframe cf; -+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); -+ int i; -+ -+ /* The stack pointer shouldn't be zero. */ -+ if (pcb->pcb_sp == 0) -+ return 0; -+ -+ read_memory (pcb->pcb_sp, (char *) &sf, sizeof sf); -+ regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &sf.cr); -+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 2, &sf.fixreg2); -+ for (i = 0 ; i < 19 ; i++) -+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 13 + i, -+ &sf.fixreg[i]); -+ -+ read_memory(sf.sp, (char *)&cf, sizeof(cf)); -+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 30, &cf.cf_arg0); -+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 31, &cf.cf_func); -+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 1, &cf.cf_dummy_fp); -+ -+ read_memory(cf.cf_dummy_fp, (char *)&cf, sizeof(cf)); -+ regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &cf.cf_lr); -+ regcache_raw_supply (regcache, PC_REGNUM, &cf.cf_lr); -+ -+ return 1; -+} -+ -+/* Provide a prototype to silence -Wmissing-prototypes. */ -+void _initialize_ppcfbsd_nat (void); -+ -+void -+_initialize_ppcfbsd_nat (void) -+{ -+ struct target_ops *t; -+ /* Support debugging kernel virtual memory images. */ -+ bsd_kvm_add_target (ppcfbsd_supply_pcb); -+ /* Add in local overrides. */ -+ t = inf_ptrace_target (); -+ t->to_fetch_registers = ppcfbsd_fetch_inferior_registers; -+ t->to_store_registers = ppcfbsd_store_inferior_registers; -+ add_target (t); -+} |