--- /dev/null
+/* Native-dependent code for Alpha BSD's.
+ Copyright (C) 2000 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. */
+
+#include "defs.h"
+#include "inferior.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#ifdef HAVE_SYS_PROCFS_H
+#include <sys/procfs.h>
+#endif
+
+#ifndef HAVE_GREGSET_T
+typedef struct reg gregset_t;
+#endif
+
+#ifndef HAVE_FPREGSET_T
+typedef struct fpreg fpregset_t;
+#endif
+
+#include "gregset.h"
+
+/* Number of general-purpose registers. */
+#define NUM_GREGS 32
+
+/* Number of floating point registers. */
+#define NUM_FPREGS 31
+\f
+
+/* Transfering the registers between GDB, inferiors and core files. */
+
+/* Fill GDB's register array with the genereal-purpose register values
+ in *GREGSETP. */
+
+void
+supply_gregset (gregset_t *gregsetp)
+{
+ int i;
+
+ for (i = 0; i < NUM_GREGS; i++)
+ {
+ if (CANNOT_FETCH_REGISTER (i))
+ supply_register (i, NULL);
+ else
+ supply_register (i, (char *) &gregsetp->r_regs[i]);
+ }
+
+ /* The PC travels in the R_ZERO slot. */
+ supply_register (PC_REGNUM, (char *) &gregsetp->r_regs[R_ZERO]);
+}
+
+/* Fill register REGNO (if it is a general-purpose register) in
+ *GREGSETPS with the value in GDB's register array. If REGNO is -1,
+ do this for all registers. */
+
+void
+fill_gregset (gregset_t *gregsetp, int regno)
+{
+ int i;
+
+ for (i = 0; i < NUM_GREGS; i++)
+ if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
+ memcpy (&gregsetp->r_regs[i], ®isters[REGISTER_BYTE (i)],
+ REGISTER_RAW_SIZE (i));
+
+ /* The PC travels in the R_ZERO slot. */
+ if (regno == -1 || regno == PC_REGNUM)
+ memcpy (&gregsetp->r_regs[R_ZERO], ®isters[REGISTER_BYTE (PC_REGNUM)],
+ REGISTER_RAW_SIZE (PC_REGNUM));
+}
+
+/* Fill GDB's register array with the floating-point register values
+ in *FPREGSETP. */
+
+void
+supply_fpregset (fpregset_t *fpregsetp)
+{
+ int i;
+
+ for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
+ {
+ if (CANNOT_FETCH_REGISTER (i))
+ supply_register (i, NULL);
+ else
+ supply_register (i, (char *) &fpregsetp->fpr_regs[i]);
+ }
+
+ supply_register (FPCR_REGNUM, (char *) &fpregsetp->fpr_cr);
+}
+
+/* Fill register REGNO (if it is a floating-point register) in
+ *FPREGSETP with the value in GDB's register array. If REGNO is -1,
+ do this for all registers. */
+
+void
+fill_fpregset (fpregset_t *fpregsetp, int regno)
+{
+ int i;
+
+ for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
+ if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
+ memcpy (&fpregsetp->fpr_regs[i - FP0_REGNUM],
+ ®isters[REGISTER_BYTE (i)], REGISTER_RAW_SIZE (i));
+
+ if (regno == -1 || regno == FPCR_REGNUM)
+ memcpy (&fpregsetp->fpr_cr, ®isters[REGISTER_BYTE (FPCR_REGNUM)],
+ REGISTER_RAW_SIZE (FPCR_REGNUM));
+}
+
+/* Fetch register REGNO from the inferior. If REGNO is -1, do this
+ for all registers (including the floating point registers). */
+
+void
+fetch_inferior_registers (int regno)
+{
+ gregset_t gregs;
+
+ if (ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ supply_gregset (&gregs);
+
+ if (regno == -1 || regno >= FP0_REGNUM)
+ {
+ fpregset_t fpregs;
+
+ if (ptrace (PT_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+ perror_with_name ("Couldn't get floating point status");
+
+ supply_fpregset (&fpregs);
+ }
+
+ /* Reset virtual frame pointer. */
+ supply_register (FP_REGNUM, NULL);
+}
+
+/* Store register REGNO back into the inferior. If REGNO is -1, do
+ this for all registers (including the floating point registers). */
+
+void
+store_inferior_registers (int regno)
+{
+ gregset_t gregs;
+
+ if (ptrace (PT_GETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ fill_gregset (&gregs, regno);
+
+ if (ptrace (PT_SETREGS, inferior_pid, (PTRACE_ARG3_TYPE) &gregs, 0) == -1)
+ perror_with_name ("Couldn't write registers");
+
+ if (regno == -1 || regno >= FP0_REGNUM)
+ {
+ fpregset_t fpregs;
+
+ if (ptrace (PT_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+ perror_with_name ("Couldn't get floating point status");
+
+ fill_fpregset (&fpregs, regno);
+
+ if (ptrace (PT_SETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
+ perror_with_name ("Couldn't write floating point status");
+ }
+}
--- /dev/null
+/* Native-dependent definitions for FreeBSD/Alpha.
+ Copyright (C) 1986, 87, 89, 92, 96, 2000 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_FBSD_H
+#define NM_FBSD_H
+
+/* Type of the third argument to the `ptrace' system call. */
+#define PTRACE_ARG3_TYPE caddr_t
+
+/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
+#define FETCH_INFERIOR_REGISTERS
+
+/* We can attach and detach. */
+#define ATTACH_DETACH
+\f
+
+/* Shared library support. */
+
+#define SVR4_SHARED_LIBS
+
+#include "solib.h" /* Support for shared libraries. */
+#include "elf/common.h" /* Additional ELF shared library info. */
+
+#endif /* NM_FBSD_H */
--- /dev/null
+/* Target-dependent definitions for FreeBSD/Alpha.
+ Copyright (C) 2000 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_FBSD_H
+#define TM_FBSD_H
+
+#include "alpha/tm-alpha.h"
+
+/* Number of traps that happen between exec'ing the shell to run an
+ inferior, and when we finally get to the inferior code. The
+ default is right for FreeBSD. */
+
+#undef START_INFERIOR_TRAPS_EXPECTED
+
+#endif /* TM_FBSD_H */
projects / binutils-gdb.git / commitdiff