Initial creation of sourceware repository

1 files changed, 0 insertions, 523 deletions

diff --git a/gdb/cxux-nat.c b/gdb/cxux-nat.c
deleted file mode 100644
index 2c4b6f1..0000000
--- a/gdb/cxux-nat.c
+++ /dev/null
@@ -1,523 +0,0 @@
-/* Native support for Motorola 88k running Harris CX/UX.
-   Copyright 1988, 1990, 1991, 1992, 1993, 1994 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 "frame.h"
-#include "inferior.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <signal.h>
-#include "gdbcore.h"
-#include <sys/user.h>
-
-#include "bfd.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "symtab.h"
-
-#ifndef USER			/* added to support BCS ptrace_user */
-#define USER ptrace_user
-#endif
-#include <sys/ioctl.h>
-#include <fcntl.h>
-#include <sys/file.h>
-#include "gdb_stat.h"
-
-#include "symtab.h"
-#include "setjmp.h"
-#include "value.h"
-
-#include <sys/ptrace.h>
-
-/* CX/UX provides them already, but as word offsets instead of char offsets */
-#define SXIP_OFFSET (PT_SXIP * 4)
-#define SNIP_OFFSET (PT_SNIP * 4)
-#define SFIP_OFFSET (PT_SFIP * 4)
-#define PSR_OFFSET  (PT_PSR  * sizeof(int))
-#define FPSR_OFFSET (PT_FPSR * sizeof(int))
-#define FPCR_OFFSET (PT_FPCR * sizeof(int))
-
-#define XREGADDR(r) (((char *)&u.pt_x0-(char *)&u) + \
-                     ((r)-X0_REGNUM)*sizeof(X_REGISTER_RAW_TYPE))
-
-extern int have_symbol_file_p();
-
-extern jmp_buf stack_jmp;
-
-extern int errno;
-extern char registers[REGISTER_BYTES];
-
-void
-fetch_inferior_registers (regno)
-     int regno;		/* Original value discarded */
-{
-  register unsigned int regaddr;
-  char buf[MAX_REGISTER_RAW_SIZE];
-  register int i;
-
-  struct USER u;
-  unsigned int offset;
-
-  offset = (char *) &u.pt_r0 - (char *) &u; 
-  regaddr = offset; /* byte offset to r0;*/
-
-/*  offset = ptrace (3, inferior_pid, (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */
-  for (regno = 0; regno < PC_REGNUM; regno++)
-    {
-      /*regaddr = register_addr (regno, offset);*/
-	/* 88k enhancement  */
-        
-      for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- 	{
- 	  *(int *) &buf[i] = ptrace (3, inferior_pid,
-				     (PTRACE_ARG3_TYPE) regaddr, 0);
- 	  regaddr += sizeof (int);
- 	}
-      supply_register (regno, buf);
-    }
-    /* now load up registers 32-37; special pc registers */
-    *(int *) &buf[0] = ptrace (3, inferior_pid,
-			       (PTRACE_ARG3_TYPE) PSR_OFFSET,0);
-    supply_register (PSR_REGNUM, buf);
-    *(int *) &buf[0] = ptrace (3, inferior_pid,
-			       (PTRACE_ARG3_TYPE) FPSR_OFFSET,0);
-    supply_register (FPSR_REGNUM, buf);
-    *(int *) &buf[0] = ptrace (3, inferior_pid,
-			       (PTRACE_ARG3_TYPE) FPCR_OFFSET,0);
-    supply_register (FPCR_REGNUM, buf);
-    *(int *) &buf[0] = ptrace (3,inferior_pid,
-			       (PTRACE_ARG3_TYPE) SXIP_OFFSET ,0);
-    supply_register (SXIP_REGNUM, buf);
-    *(int *) &buf[0] = ptrace (3, inferior_pid,
-			       (PTRACE_ARG3_TYPE) SNIP_OFFSET,0);
-    supply_register (SNIP_REGNUM, buf);
-    *(int *) &buf[0] = ptrace (3, inferior_pid,
-			       (PTRACE_ARG3_TYPE) SFIP_OFFSET,0);
-    supply_register (SFIP_REGNUM, buf);
-
-    if (target_is_m88110) 
-      {
-        for (regaddr = XREGADDR(X0_REGNUM), regno = X0_REGNUM;
-             regno < NUM_REGS; 
-             regno++, regaddr += 16)
-          {
-            X_REGISTER_RAW_TYPE xval;
-
-            *(int *) &xval.w1 = ptrace (3, inferior_pid,
-                                        (PTRACE_ARG3_TYPE) regaddr, 0);
-            *(int *) &xval.w2 = ptrace (3, inferior_pid,
-                                        (PTRACE_ARG3_TYPE) (regaddr+4), 0);
-            *(int *) &xval.w3 = ptrace (3, inferior_pid,
-                                        (PTRACE_ARG3_TYPE) (regaddr+8), 0);
-            *(int *) &xval.w4 = ptrace (3, inferior_pid,
-                                        (PTRACE_ARG3_TYPE) (regaddr+12), 0);
-            supply_register(regno, (void *)&xval);
-          }
-      }
-}
-
-/* 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];
-
-  struct USER u;
-
-  unsigned int offset = (char *) &u.pt_r0 - (char *) &u;
-
-  regaddr = offset;
-
-  /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either
-     svr3 doesn't run on an 88110, or the kernel isolates the different (not
-     completely sure this is true, but seems to be.  */
-  if (regno >= 0)
-    {
-      /*      regaddr = register_addr (regno, offset); */
-      if (regno < PC_REGNUM)
-	{ 
-	  regaddr = offset + regno * sizeof (int);
-	  errno = 0;
-	  ptrace (6, inferior_pid,
-		  (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
-	  if (errno != 0)
-	    {
-	      sprintf (buf, "writing register number %d", regno);
-	      perror_with_name (buf);
-	    }
-	}
-      else if (regno == PSR_REGNUM)
-        ptrace (6, inferior_pid,
-		(PTRACE_ARG3_TYPE) PSR_OFFSET, read_register(regno));
-      else if (regno == FPSR_REGNUM)
-        ptrace (6, inferior_pid,
-		(PTRACE_ARG3_TYPE) FPSR_OFFSET, read_register(regno));
-      else if (regno == FPCR_REGNUM)
-        ptrace (6, inferior_pid,
-	        (PTRACE_ARG3_TYPE) FPCR_OFFSET, read_register(regno));
-      else if (regno == SXIP_REGNUM)
-	ptrace (6, inferior_pid,
-		(PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register(regno));
-      else if (regno == SNIP_REGNUM)
-	ptrace (6, inferior_pid,
-		(PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register(regno));
-      else if (regno == SFIP_REGNUM)
-	ptrace (6, inferior_pid,
-		(PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register(regno));
-      else if (target_is_m88110 && regno < NUM_REGS)
-        {
-          X_REGISTER_RAW_TYPE xval;
-          
-          read_register_bytes(REGISTER_BYTE(regno), (char *)&xval, 
-                              sizeof(X_REGISTER_RAW_TYPE));
-          regaddr = XREGADDR(regno);
-          ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, xval.w1);
-          ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr+4, xval.w2);
-          ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr+8, xval.w3);
-          ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr+12, xval.w4);
-        }
-      else
-	printf_unfiltered ("Bad register number for store_inferior routine\n");
-    }
-  else
-    { 
-      for (regno = 0; regno < PC_REGNUM; regno++)
-	{
-	  /*      regaddr = register_addr (regno, offset); */
-	  errno = 0;
-	  regaddr = offset + regno * sizeof (int);
-	  ptrace (6, inferior_pid,
-		  (PTRACE_ARG3_TYPE) regaddr, read_register (regno));
-	  if (errno != 0)
-	    {
-	      sprintf (buf, "writing register number %d", regno);
-	      perror_with_name (buf);
-	    }
-	}
-      ptrace (6, inferior_pid,
-              (PTRACE_ARG3_TYPE) PSR_OFFSET, read_register(regno));
-      ptrace (6, inferior_pid,
-              (PTRACE_ARG3_TYPE) FPSR_OFFSET,read_register(regno));
-      ptrace (6, inferior_pid,
-              (PTRACE_ARG3_TYPE) FPCR_OFFSET,read_register(regno));
-      ptrace (6,inferior_pid,
-	      (PTRACE_ARG3_TYPE) SXIP_OFFSET,read_register(SXIP_REGNUM));
-      ptrace (6,inferior_pid,
-	      (PTRACE_ARG3_TYPE) SNIP_OFFSET,read_register(SNIP_REGNUM));
-      ptrace (6,inferior_pid,
-	      (PTRACE_ARG3_TYPE) SFIP_OFFSET,read_register(SFIP_REGNUM));
-      if (target_is_m88110)
-        {
-          for (regno = X0_REGNUM; regno < NUM_REGS; regno++) 
-            {
-              X_REGISTER_RAW_TYPE xval;
-     
-              read_register_bytes(REGISTER_BYTE(regno), (char *)&xval, 
-                                  sizeof(X_REGISTER_RAW_TYPE));
-              regaddr = XREGADDR(regno);
-              ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, xval.w1);
-              ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) (regaddr+4), xval.w2);
-              ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) (regaddr+8), xval.w3);
-              ptrace (6, inferior_pid, (PTRACE_ARG3_TYPE) (regaddr+12), xval.w4);
-            }
-        }
-    }
-}
-
-/* blockend is the address of the end of the user structure */
-
-m88k_register_u_addr (blockend, regnum)
-     int blockend, regnum;
-{
-  struct USER u;
-  int ustart = blockend - sizeof (struct USER);
-
-  if (regnum < PSR_REGNUM)
-      return (ustart + ((int) &u.pt_r0 - (int) &u) +
-              REGISTER_SIZE * regnum);
-  else if (regnum == PSR_REGNUM)
-      return (ustart + ((int) &u.pt_psr) - (int) &u);
-  else if (regnum == FPSR_REGNUM)
-      return (ustart + ((int) &u.pt_fpsr) - (int) &u);
-  else if (regnum == FPCR_REGNUM)
-      return (ustart + ((int) &u.pt_fpcr) - (int) &u);
-  else if (regnum == SXIP_REGNUM)
-      return (ustart + SXIP_OFFSET);
-  else if (regnum == SNIP_REGNUM)
-      return (ustart + SNIP_OFFSET);
-  else if (regnum == SFIP_REGNUM)
-      return (ustart + SFIP_OFFSET);
-  else if (target_is_m88110) 
-      return (ustart + ((int) &u.pt_x0 - (int) &u) +   /* Must be X register */
-               sizeof(u.pt_x0) * (regnum - X0_REGNUM));
-  else
-      return (blockend + REGISTER_SIZE * regnum);
-}
-
-#ifdef USE_PROC_FS
-
-#include <sys/procfs.h>
-
-/*  Given a pointer to a general register set in /proc format (gregset_t *),
-    unpack the register contents and supply them as gdb's idea of the current
-    register values. */
-
-void
-supply_gregset (gregsetp)
-     gregset_t *gregsetp;
-{
-    register int regi;
-    register greg_t *regp = (greg_t *) gregsetp;
-
-    for (regi=0; regi <= SP_REGNUM; regi++)
-	supply_register (regi, (char *) (regp + regi));
-
-    supply_register (SXIP_REGNUM, (char *) (regp + R_XIP));
-    supply_register (SNIP_REGNUM, (char *) (regp + R_NIP));
-    supply_register (SFIP_REGNUM, (char *) (regp + R_FIP));
-    supply_register (PSR_REGNUM, (char *) (regp + R_PSR));
-    supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR));
-    supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR));
-}
-
-void
-fill_gregset (gregsetp, regno)
-     gregset_t *gregsetp;
-     int regno;
-{
-    int regi;
-    register greg_t *regp = (greg_t *) gregsetp;
-    extern char registers[];
-
-    for (regi = 0 ; regi <= R_R31 ; regi++)
-	if ((regno == -1) || (regno == regi))
-	    *(regp + regi) = *(int *) &registers[REGISTER_BYTE(regi)];
-
-    if ((regno == -1) || (regno == SXIP_REGNUM))
-	*(regp + R_XIP) = *(int *) &registers[REGISTER_BYTE(SXIP_REGNUM)];
-    if ((regno == -1) || (regno == SNIP_REGNUM))
-	*(regp + R_NIP) = *(int *) &registers[REGISTER_BYTE(SNIP_REGNUM)];
-    if ((regno == -1) || (regno == SFIP_REGNUM))
-	*(regp + R_FIP) = *(int *) &registers[REGISTER_BYTE(SFIP_REGNUM)];
-    if ((regno == -1) || (regno == PSR_REGNUM))
-	*(regp + R_PSR) = *(int *) &registers[REGISTER_BYTE(PSR_REGNUM)];
-    if ((regno == -1) || (regno == FPSR_REGNUM))
-	*(regp + R_FPSR) = *(int *) &registers[REGISTER_BYTE(FPSR_REGNUM)];
-    if ((regno == -1) || (regno == FPCR_REGNUM))
-	*(regp + R_FPCR) = *(int *) &registers[REGISTER_BYTE(FPCR_REGNUM)];
-}
-
-#endif /* USE_PROC_FS */
-
-/* This support adds the equivalent of adb's % command.  When
-   the `add-shared-symbol-files' command is given, this routine scans 
-   the dynamic linker's link map and reads the minimal symbols
-   from each shared object file listed in the map. */
-
-struct link_map {
-  unsigned long l_addr;		/* address at which object is mapped */
-  char *l_name;			/* full name of loaded object */
-  void *l_ld;			/* dynamic structure of object */
-  struct link_map *l_next;	/* next link object */
-  struct link_map *l_prev;	/* previous link object */
-};
-
-#define LINKS_MAP_POINTER "_ld_tail"
-#define LIBC_FILE "/usr/lib/libc.so.1"
-#define SHARED_OFFSET 0xf0001000
-
-#ifndef PATH_MAX
-#define PATH_MAX 1023		/* maximum size of path name on OS */
-#endif
-
-void
-add_shared_symbol_files ()
-{
-  void *desc;
-  struct link_map *ld_map, *lm, lms;
-  struct minimal_symbol *minsym; 
-  struct objfile *objfile;
-  char *path_name;
-
-  if (! inferior_pid)
-    {
-      warning ("The program has not yet been started.");
-      return;
-    }
-
-  objfile = symbol_file_add (LIBC_FILE, 0, 0, 0, 0, 1, 0, 0);
-  minsym = lookup_minimal_symbol (LINKS_MAP_POINTER, objfile);
-
-  ld_map = (struct link_map *)
-    read_memory_integer (((int)SYMBOL_VALUE_ADDRESS(minsym) + SHARED_OFFSET), 4);
-  lm = ld_map;
-  while (lm)
-    {
-      int local_errno = 0;
-
-      read_memory ((CORE_ADDR)lm, (char*)&lms, sizeof (struct link_map));
-      if (lms.l_name)
-	{
-	  if (target_read_string ((CORE_ADDR)lms.l_name, &path_name, 
-                                  PATH_MAX, &local_errno))
-	    {
-	      symbol_file_add (path_name, 1, lms.l_addr, 0, 0, 0, 0, 0);
-              free(path_name);
-	    }
-	}
-      /* traverse links in reverse order so that we get the
-	 the symbols the user actually gets. */
-      lm = lms.l_prev;
-    }
-
-  /* Getting new symbols may change our opinion about what is
-     frameless.  */
-  reinit_frame_cache ();
-}
-
-#if defined(_ES_MP)
-
-#include <sys/regset.h>
-
-unsigned int
-m88k_harris_core_register_addr (regno, reg_ptr)
-     int regno, reg_ptr;
-{
-   unsigned int word_offset;
-
-   switch (regno)
-     {
-     case PSR_REGNUM:
-       word_offset = R_EPSR;
-       break;
-     case FPSR_REGNUM:
-       word_offset = R_FPSR;
-       break;
-     case FPCR_REGNUM:
-       word_offset = R_FPCR;
-       break;
-     case SXIP_REGNUM:
-       word_offset = R_EXIP;
-       break;
-     case SNIP_REGNUM:
-       word_offset = R_ENIP;
-       break;
-     case SFIP_REGNUM:
-       word_offset = R_EFIP;
-       break;
-     default:
-       if (regno <= FP_REGNUM) 
-	 word_offset = regno;
-       else 
-	 word_offset = ((regno - X0_REGNUM) * 4);
-     }
-   return (word_offset * 4);
-}
-
-#endif /* _ES_MP */
-
-void
-_initialize_m88k_nat()
-{
-#ifdef _ES_MP
-   /* Enable 88110 support, as we don't support the 88100 under ES/MP.  */
-
-   target_is_m88110 = 1;
-#elif defined(_CX_UX)
-   /* Determine whether we're running on an 88100 or an 88110.  */
-   target_is_m88110 = (sinfo(SYSMACHINE,0) == SYS5800);
-#endif /* _CX_UX */
-}
-
-#ifdef _ES_MP
-/* Given a pointer to a general register set in /proc format (gregset_t *),
-   unpack the register contents and supply them as gdb's idea of the current
-   register values. */
-
-void
-supply_gregset (gregsetp)
-     gregset_t *gregsetp;
-{
-  register int regi;
-  register greg_t *regp = (greg_t *) gregsetp;
-
-  for (regi = 0 ; regi < R_R31 ; regi++)
-    {
-      supply_register (regi, (char *) (regp + regi));
-    }
-  supply_register (PSR_REGNUM,  (char *) (regp + R_EPSR));
-  supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR));
-  supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR));
-  supply_register (SXIP_REGNUM, (char *) (regp + R_EXIP));
-  supply_register (SNIP_REGNUM, (char *) (regp + R_ENIP));
-  supply_register (SFIP_REGNUM, (char *) (regp + R_EFIP));
-}
-
-/* Given a pointer to a floating point register set in /proc format
-   (fpregset_t *), unpack the register contents and supply them as gdb's
-   idea of the current floating point register values.  */
-
-void 
-supply_fpregset (fpregsetp)
-     fpregset_t *fpregsetp;
-{
-  register int regi;
-  char *from;
-  
-  for (regi = FP0_REGNUM ; regi <= FPLAST_REGNUM ; regi++)
-    {
-      from = (char *) &((*fpregsetp)[regi-FP0_REGNUM]);
-      supply_register (regi, from);
-    }
-}
-
-#endif /* _ES_MP */
-
-#ifdef _CX_UX
-
-#include <sys/regset.h>
-
-unsigned int m88k_harris_core_register_addr(int regno, int reg_ptr)
-{
-   unsigned int word_offset;
-
-   switch (regno) {
-    case PSR_REGNUM  : word_offset = R_PSR;  break;
-    case FPSR_REGNUM : word_offset = R_FPSR; break;
-    case FPCR_REGNUM : word_offset = R_FPCR; break;
-    case SXIP_REGNUM : word_offset = R_XIP;  break;
-    case SNIP_REGNUM : word_offset = R_NIP;  break;
-    case SFIP_REGNUM : word_offset = R_FIP;  break;
-    default :
-      if (regno <= FP_REGNUM) 
-            word_offset = regno;
-      else 
-            word_offset = ((regno - X0_REGNUM) * 4) + R_X0;
-   }
-   return (word_offset * 4);
-}
-
-#endif /* _CX_UX */