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Diffstat (limited to 'gdb/mips-xdep.c')
| -rw-r--r-- | gdb/mips-xdep.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/gdb/mips-xdep.c b/gdb/mips-xdep.c deleted file mode 100644 index e314bf7..0000000 --- a/gdb/mips-xdep.c +++ /dev/null @@ -1,163 +0,0 @@ -/* Low level MIPS interface to ptrace, for GDB when running under Unix. - Copyright 1988, 1989, 1991, 1992 Free Software Foundation, Inc. - Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU - and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin. - -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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "defs.h" -#include "inferior.h" -#include "gdbcore.h" - -/* For now we stub this out; sgi core format is super-hairy (and completely - different in the new release). - For most mips systems, this function is defined in coredep.c. */ - -#if defined(sgi) -void -fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) - char *core_reg_sect; - unsigned core_reg_size; - int which; - unsigned int reg_addr; -{ - return; -} -#endif - -/* Access to the inferior is only good for native systems, not cross. - I am not sure why this is stubbed out on SGI... --gnu@cygnus.com */ - -#if defined(sgi) || !defined(GDB_TARGET_IS_MIPS) - -/* ARGSUSED */ -void -fetch_inferior_registers (regno) - int regno; -{ - return; -} - -/* ARGSUSED */ -void -store_inferior_registers (regno) - int regno; -{ - return; -} - - -#else - -/* DECstation native... */ - -#include <sys/ptrace.h> - -/* Map gdb internal register number to ptrace ``address''. - These ``addresses'' are defined in DECstation <sys/ptrace.h> */ - -#define REGISTER_PTRACE_ADDR(regno) \ - (regno < 32 ? GPR_BASE + regno \ - : regno == PC_REGNUM ? PC \ - : regno == CAUSE_REGNUM ? CAUSE \ - : regno == HI_REGNUM ? MMHI \ - : regno == LO_REGNUM ? MMLO \ - : regno == FCRCS_REGNUM ? FPC_CSR \ - : regno == FCRIR_REGNUM ? FPC_EIR \ - : regno >= FP0_REGNUM ? FPR_BASE + (regno - FP0_REGNUM) \ - : 0) - -static const char zerobuf[MAX_REGISTER_RAW_SIZE]; - -/* Get all registers from the inferior */ - -void -fetch_inferior_registers (regno) - int regno; -{ - register unsigned int regaddr; - char buf[MAX_REGISTER_RAW_SIZE]; - register int i; - - registers_fetched (); - - for (regno = 1; regno < NUM_REGS; regno++) - { - regaddr = REGISTER_PTRACE_ADDR (regno); - for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) - { - *(int *) &buf[i] = ptrace (PT_READ_U, inferior_pid, - (PTRACE_ARG3_TYPE) regaddr, 0); - regaddr += sizeof (int); - } - supply_register (regno, buf); - } - - supply_register (ZERO_REGNUM, zerobuf); - /* Frame ptr reg must appear to be 0; it is faked by stack handling code. */ - supply_register (FP_REGNUM, zerobuf); -} - -/* Store our register values back into the inferior. - If REGNO is -1, do this for all registers. - Otherwise, REGNO specifies which register (so we can save time). */ - -void -store_inferior_registers (regno) - int regno; - { - register unsigned int regaddr; - char buf[80]; - - if (regno == 0) - return; - - if (regno > 0) - { - regaddr = REGISTER_PTRACE_ADDR (regno); - errno = 0; - ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - read_register (regno)); - if (errno != 0) - { - sprintf (buf, "writing register number %d", regno); - perror_with_name (buf); - } - } - else - { - for (regno = 0; regno < NUM_REGS; regno++) - { - if (regno == ZERO_REGNUM || regno == PS_REGNUM - || regno == BADVADDR_REGNUM || regno == CAUSE_REGNUM - || regno == FCRIR_REGNUM || regno == FP_REGNUM - || (regno >= FIRST_EMBED_REGNUM && regno <= LAST_EMBED_REGNUM)) - continue; - regaddr = register_addr (regno, 1); - errno = 0; - ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, - read_register (regno)); - if (errno != 0) - { - sprintf (buf, "writing all regs, number %d", regno); - perror_with_name (buf); - } - } - } -} - -#endif /* sgi */ |