Initial creation of sourceware repository

1 files changed, 0 insertions, 244 deletions

diff --git a/gdb/mips-nat.c b/gdb/mips-nat.c
deleted file mode 100644
index 9f57174..0000000
--- a/gdb/mips-nat.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/* Low level DECstation interface to ptrace, for GDB when running native.
-   Copyright 1988, 1989, 1991, 1992, 1995 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#include "defs.h"
-#include "inferior.h"
-#include "gdbcore.h"
-#include <sys/ptrace.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/user.h>
-#undef JB_S0
-#undef JB_S1
-#undef JB_S2
-#undef JB_S3
-#undef JB_S4
-#undef JB_S5
-#undef JB_S6
-#undef JB_S7
-#undef JB_SP
-#undef JB_S8
-#undef JB_PC
-#undef JB_SR
-#undef NJBREGS
-#include <setjmp.h>		/* For JB_XXX.  */
-
-/* Size of elements in jmpbuf */
-
-#define JB_ELEMENT_SIZE 4
-
-/* 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 char zerobuf[MAX_REGISTER_RAW_SIZE] = {0};
-
-static void fetch_core_registers PARAMS ((char *, unsigned, int, CORE_ADDR));
-
-/* 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)
-    {
-      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))
-	return;
-      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++)
-	store_inferior_registers (regno);
-    }
-}
-
-
-/* Figure out where the longjmp will land.
-   We expect the first arg to be a pointer to the jmp_buf structure from which
-   we extract the pc (JB_PC) that we will land at.  The pc is copied into PC.
-   This routine returns true on success. */
-
-int
-get_longjmp_target(pc)
-     CORE_ADDR *pc;
-{
-  CORE_ADDR jb_addr;
-  char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT];
-
-  jb_addr = read_register (A0_REGNUM);
-
-  if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf,
-			  TARGET_PTR_BIT / TARGET_CHAR_BIT))
-    return 0;
-
-  *pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
-
-  return 1;
-}
-
-/* Extract the register values out of the core file and store
-   them where `read_register' will find them.
-
-   CORE_REG_SECT points to the register values themselves, read into memory.
-   CORE_REG_SIZE is the size of that area.
-   WHICH says which set of registers we are handling (0 = int, 2 = float
-         on machines where they are discontiguous).
-   REG_ADDR is the offset from u.u_ar0 to the register values relative to
-            core_reg_sect.  This is used with old-fashioned core files to
-	    locate the registers in a large upage-plus-stack ".reg" section.
-	    Original upage address X is at location core_reg_sect+x+reg_addr.
- */
-
-static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
-     char *core_reg_sect;
-     unsigned core_reg_size;
-     int which;
-     CORE_ADDR reg_addr;
-{
-  register int regno;
-  register unsigned int addr;
-  int bad_reg = -1;
-  register reg_ptr = -reg_addr;		/* Original u.u_ar0 is -reg_addr. */
-
-  /* If u.u_ar0 was an absolute address in the core file, relativize it now,
-     so we can use it as an offset into core_reg_sect.  When we're done,
-     "register 0" will be at core_reg_sect+reg_ptr, and we can use
-     register_addr to offset to the other registers.  If this is a modern
-     core file without a upage, reg_ptr will be zero and this is all a big
-     NOP.  */
-  if (reg_ptr > core_reg_size)
-#ifdef KERNEL_U_ADDR
-    reg_ptr -= KERNEL_U_ADDR;
-#else
-    error ("Old mips core file can't be processed on this machine.");
-#endif
-
-  for (regno = 0; regno < NUM_REGS; regno++)
-    {
-      addr = register_addr (regno, reg_ptr);
-      if (addr >= core_reg_size) {
-	if (bad_reg < 0)
-	  bad_reg = regno;
-      } else {
-	supply_register (regno, core_reg_sect + addr);
-      }
-    }
-  if (bad_reg >= 0)
-    {
-      error ("Register %s not found in core file.", REGISTER_NAME (bad_reg));
-    }
-  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);
-}
-
-/* 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;
-{
-  CORE_ADDR addr;
-
-  if (regno < 0 || regno >= NUM_REGS)
-    error ("Invalid register number %d.", regno);
-
-  REGISTER_U_ADDR (addr, blockend, regno);
-
-  return addr;
-}
-
-
-/* Register that we are able to handle mips core file formats.
-   FIXME: is this really bfd_target_unknown_flavour? */
-
-static struct core_fns mips_core_fns =
-{
-  bfd_target_unknown_flavour,
-  fetch_core_registers,
-  NULL
-};
-
-void
-_initialize_core_mips ()
-{
-  add_core_fns (&mips_core_fns);
-}