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| -rw-r--r-- | gdb/ChangeLog | 2 | ||||
| -rw-r--r-- | gdb/vaxbsd-nat.c | 94 |
2 files changed, 96 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 73c553c..d4ff9f4 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,7 @@ 2004-04-12 Mark Kettenis <kettenis@gnu.org> + * vaxbsd-nat.c: New file. + * vax-tdep.h: Update copyright year. Adjust comments. (VAX_REGISTER_SIZE, VAX_REGISTER_BYTES, VAX_MAX_REGISTER_RAW_SIZE, VAX_MAX_REGISTER_VIRTUAL_SIZE): Remove macros. diff --git a/gdb/vaxbsd-nat.c b/gdb/vaxbsd-nat.c new file mode 100644 index 0000000..d3516f6 --- /dev/null +++ b/gdb/vaxbsd-nat.c @@ -0,0 +1,94 @@ +/* Native-dependent code for VAX BSD's. + + Copyright 2004 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 "regcache.h" + +#include <sys/types.h> +#include <sys/ptrace.h> +#include <machine/reg.h> + +#include "vax-tdep.h" + +/* Supply the general-purpose registers stored in GREGS to REGCACHE. */ + +static void +vaxbsd_supply_gregset (struct regcache *regcache, const void *gregs) +{ + const char *regs = gregs; + int regnum; + + for (regnum = 0; regnum < VAX_NUM_REGS; regnum++) + regcache_raw_supply (regcache, regnum, regs + regnum * 4); +} + +/* Collect the general-purpose registers from REGCACHE and store them + in GREGS. */ + +static void +vaxbsd_collect_gregset (const struct regcache *regcache, + void *gregs, int regnum) +{ + char *regs = gregs; + int i; + + for (i = 0; i <= VAX_NUM_REGS; i++) + { + if (regnum == -1 || regnum == i) + regcache_raw_collect (regcache, regnum, regs + i * 4); + } +} + + +/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this + for all registers. */ + +void +fetch_inferior_registers (int regnum) +{ + struct reg regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + vaxbsd_supply_gregset (current_regcache, ®s); +} + +/* Store register REGNUM back into the inferior. If REGNUM is -1, do + this for all registers. */ + +void +store_inferior_registers (int regnum) +{ + struct reg regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + vaxbsd_collect_gregset (current_regcache, ®s, regnum); + + if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't write registers"); +} |