Initial creation of sourceware repository

1 files changed, 0 insertions, 258 deletions

diff --git a/gdb/sun386-nat.c b/gdb/sun386-nat.c
deleted file mode 100644
index 1abb4bb..0000000
--- a/gdb/sun386-nat.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/* Native support for Sun 386i's for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
-   Changes for sun386i by Jean Daniel Fekete (jdf@litp.univ-p6-7.fr),
-   C2V Paris, April 89.
-
-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 "gdbcore.h"
-
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/user.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-
-#include <sys/ptrace.h>
-#include <machine/reg.h>
-
-#include <sys/file.h>
-#include "gdb_stat.h"
-#include <sys/core.h>
-
-
-/* Machine-dependent code which would otherwise be in corefile.c */
-/* Work with core files, for GDB. */
-
-
-void
-core_file_command (filename, from_tty)
-     char *filename;
-     int from_tty;
-{
-  int val;
-  extern char registers[];
-
-  /* Discard all vestiges of any previous core file
-     and mark data and stack spaces as empty.  */
-
-  if (corefile)
-    free (corefile);
-  corefile = 0;
-
-  if (corechan >= 0)
-    close (corechan);
-  corechan = -1;
-
-  data_start = 0;
-  data_end = 0;
-  stack_start = STACK_END_ADDR;
-  stack_end = STACK_END_ADDR;
-
-  /* Now, if a new core file was specified, open it and digest it.  */
-
-  if (filename)
-    {
-      filename = tilde_expand (filename);
-      make_cleanup (free, filename);
-      
-      if (have_inferior_p ())
-	error ("To look at a core file, you must kill the program with \"kill\".");
-      corechan = open (filename, O_RDONLY, 0);
-      if (corechan < 0)
-	perror_with_name (filename);
-
-      {
-	struct core corestr;
-
-	val = myread (corechan, &corestr, sizeof corestr);
-	if (val < 0)
-	  perror_with_name (filename);
-	if (corestr.c_magic != CORE_MAGIC)
-	  error ("\"%s\" does not appear to be a core dump file (magic 0x%x, expected 0x%x)",
-		 filename, corestr.c_magic, (int) CORE_MAGIC);
-	else if (sizeof (struct core) != corestr.c_len)
-	  error ("\"%s\" has an invalid struct core length (%d, expected %d)",
-		 filename, corestr.c_len, (int) sizeof (struct core));
-
-	data_start = exec_data_start;
-	data_end = data_start + corestr.c_dsize;
-	stack_start = stack_end - corestr.c_ssize;
-	data_offset = sizeof corestr;
-	stack_offset = sizeof corestr + corestr.c_dsize;
-
-	memcpy (registers, &corestr.c_regs, sizeof corestr.c_regs);
-
-	memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
-	       corestr.c_fpu.f_fpstatus.f_st,
-	       sizeof corestr.c_fpu.f_fpstatus.f_st);
-	memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
-	       &corestr.c_fpu.f_fpstatus.f_ctrl,
-	       sizeof corestr.c_fpu.f_fpstatus -
-	       sizeof corestr.c_fpu.f_fpstatus.f_st);
-
-	/* the struct aouthdr of sun coff is not the struct exec stored
-	   in the core file. */
-	memcpy (&core_aouthdr, &corestr.c_aouthdr, sizeof (struct exec));
-#ifndef COFF_ENCAPSULATE
-	core_aouthdr.magic = corestr.c_aouthdr.a_info;
-	core_aouthdr.vstamp = /*SUNVERSION*/ 31252;
-#endif
-	printf_unfiltered ("Core file is from \"%s\".\n", corestr.c_cmdname);
-	if (corestr.c_signo > 0)
-	  printf_unfiltered ("Program terminated with signal %d, %s.\n",
-		  corestr.c_signo, safe_strsignal (corestr.c_signo));
-      }
-      if (filename[0] == '/')
-	corefile = savestring (filename, strlen (filename));
-      else
-	{
-	  corefile = concat (current_directory, "/", filename, NULL);
-	}
-
-      flush_cached_frames ();
-      select_frame (get_current_frame (), 0);
-
-      validate_files ();
-    }
-  else if (from_tty)
-    printf_unfiltered ("No core file now.\n");
-}
-
-i387_to_double (from, to)
-     char *from;
-     char *to;
-{
-  long *lp;
-  /* push extended mode on 387 stack, then pop in double mode
-   *
-   * first, set exception masks so no error is generated -
-   * number will be rounded to inf or 0, if necessary 
-   */
-  asm ("pushl %eax"); 		/* grab a stack slot */
-  asm ("fstcw (%esp)");		/* get 387 control word */
-  asm ("movl (%esp),%eax");	/* save old value */
-  asm ("orl $0x3f,%eax");		/* mask all exceptions */
-  asm ("pushl %eax");
-  asm ("fldcw (%esp)");		/* load new value into 387 */
-  
-  asm ("movl 8(%ebp),%eax");
-  asm ("fldt (%eax)");		/* push extended number on 387 stack */
-  asm ("fwait");
-  asm ("movl 12(%ebp),%eax");
-  asm ("fstpl (%eax)");		/* pop double */
-  asm ("fwait");
-  
-  asm ("popl %eax");		/* flush modified control word */
-  asm ("fnclex");			/* clear exceptions */
-  asm ("fldcw (%esp)");		/* restore original control word */
-  asm ("popl %eax");		/* flush saved copy */
-}
-
-double_to_i387 (from, to)
-     char *from;
-     char *to;
-{
-  /* push double mode on 387 stack, then pop in extended mode
-   * no errors are possible because every 64-bit pattern
-   * can be converted to an extended
-   */
-  asm ("movl 8(%ebp),%eax");
-  asm ("fldl (%eax)");
-  asm ("fwait");
-  asm ("movl 12(%ebp),%eax");
-  asm ("fstpt (%eax)");
-  asm ("fwait");
-}
-
-void
-fetch_inferior_registers (regno)
-     int regno;
-{
-  struct regs inferior_registers;
-  struct fp_state inferior_fp_registers;
-  extern char registers[];
-
-  registers_fetched ();
-
-  ptrace (PTRACE_GETREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_registers);
-  ptrace (PTRACE_GETFPREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-
-  memcpy (registers, &inferior_registers, sizeof inferior_registers);
-
-  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],inferior_fp_registers.f_st,
-	 sizeof inferior_fp_registers.f_st);
-  memcpy (&registers[REGISTER_BYTE (FPC_REGNUM)],
-	 &inferior_fp_registers.f_ctrl,
-	 sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
-}
-
-/* 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;
-{
-  struct regs inferior_registers;
-  struct fp_state inferior_fp_registers;
-  extern char registers[];
-
-  memcpy (&inferior_registers, registers, 20 * 4);
-
-  memcpy (inferior_fp_registers.f_st,
-	 &registers[REGISTER_BYTE (FP0_REGNUM)],
-	 sizeof inferior_fp_registers.f_st);
-  memcpy (&inferior_fp_registers.f_ctrl,
-	 &registers[REGISTER_BYTE (FPC_REGNUM)],
-	 sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
-  
-#ifdef PTRACE_FP_BUG
-  if (regno == FP_REGNUM || regno == -1)
-    /* Storing the frame pointer requires a gross hack, in which an
-       instruction that moves eax into ebp gets single-stepped.  */
-    {
-      int stack = inferior_registers.r_reg[SP_REGNUM];
-      int stuff = ptrace (PTRACE_PEEKDATA, inferior_pid,
-			  (PTRACE_ARG3_TYPE) stack);
-      int reg = inferior_registers.r_reg[EAX];
-      inferior_registers.r_reg[EAX] =
-	inferior_registers.r_reg[FP_REGNUM];
-      ptrace (PTRACE_SETREGS, inferior_pid, 
-	      (PTRACE_ARG3_TYPE) &inferior_registers);
-      ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack,
-	      0xc589);
-      ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack,
-	      0);
-      wait (0);
-      ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack,
-	      stuff);
-      inferior_registers.r_reg[EAX] = reg;
-    }
-#endif
-  ptrace (PTRACE_SETREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_registers);
-  ptrace (PTRACE_SETFPREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-}