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| -rw-r--r-- | gnu/usr.bin/binutils/gdb/ppcobsd-nat.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c b/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c new file mode 100644 index 00000000000..978a3cd9d69 --- /dev/null +++ b/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c @@ -0,0 +1,103 @@ +/* Functions specific to running gdb native on a Powerpc System. + Copyright (C) 1993, 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 <sys/types.h> +#include <sys/ptrace.h> +#include <sys/param.h> +#include <sys/signal.h> /* for MAXSIG in sys/user.h */ +#include <sys/types.h> /* for ushort in sys/dir.h */ +#include <sys/dir.h> /* for struct direct in sys/user.h */ +#include <sys/user.h> +#include <machine/reg.h> +#include "defs.h" +#include "inferior.h" +#include "target.h" +#include "gdbcore.h" + +#include <nlist.h> + +#if !defined (offsetof) +#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) +#endif + +void +fetch_inferior_registers (regno) + int regno; +{ + struct reg inferior_registers; + +/* + * this gets fp and gpr? + */ + + ptrace (PT_GETREGS, inferior_pid, + (PTRACE_ARG3_TYPE) &inferior_registers, 0); + memcpy (®isters, &inferior_registers, + sizeof(inferior_registers)); + + + registers_fetched (); +} + +void +store_inferior_registers (regno) + int regno; +{ + struct reg inferior_registers; + + + memcpy (&inferior_registers, ®isters, + sizeof(inferior_registers)); + ptrace (PT_SETREGS, inferior_pid, + (PTRACE_ARG3_TYPE) &inferior_registers, 0); + +} +/* Return the address in the core dump or inferior of register REGNO. + BLOCKEND is the address of the end of the user structure. */ + +CORE_ADDR +register_addr (regno, blockend) + int regno; + CORE_ADDR blockend; +{ + int ppcreg[] = + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* fp 0-15 */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* fp 16-31 */ + 36, 37, 33, 32, 35, 34 , 0 }; + /* "pc", "ps", "cnd", "lr", "cnt", "xer", "mq" */ + /* + 32 lr + 33 cr + 34 xer + 35 ctr + 36 srr0 + 37 srr1 + */ + if (regno < NUM_REGS) { + return (blockend + REGISTER_BYTE(regno)); + } else + { + fprintf_unfiltered (gdb_stderr, "\ +Internal error: invalid register number %d in REGISTER_U_ADDR\n", + regno); + return blockend; + } +} |