Initial creation of sourceware repository

1 files changed, 0 insertions, 353 deletions

diff --git a/gdb/ns32knbsd-nat.c b/gdb/ns32knbsd-nat.c
deleted file mode 100644
index c9f75ca..0000000
--- a/gdb/ns32knbsd-nat.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/* Functions specific to running gdb native on an ns32k running NetBSD
-   Copyright 1989, 1992, 1993, 1994, 1996 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 <machine/reg.h>
-#include <machine/frame.h>
-#include <machine/pcb.h>
-
-#include "defs.h"
-#include "inferior.h"
-#include "target.h"
-#include "gdbcore.h"
-
-#define RF(dst, src) \
-	memcpy(&registers[REGISTER_BYTE(dst)], &src, sizeof(src))
-
-#define RS(src, dst) \
-	memcpy(&dst, &registers[REGISTER_BYTE(src)], sizeof(dst))
-
-void
-fetch_inferior_registers (regno)
-     int regno;
-{
-  struct reg inferior_registers;
-  struct fpreg inferior_fpregisters;
-
-  ptrace (PT_GETREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-  ptrace (PT_GETFPREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
-
-  RF(R0_REGNUM + 0, inferior_registers.r_r0);
-  RF(R0_REGNUM + 1, inferior_registers.r_r1);
-  RF(R0_REGNUM + 2, inferior_registers.r_r2);
-  RF(R0_REGNUM + 3, inferior_registers.r_r3);
-  RF(R0_REGNUM + 4, inferior_registers.r_r4);
-  RF(R0_REGNUM + 5, inferior_registers.r_r5);
-  RF(R0_REGNUM + 6, inferior_registers.r_r6);
-  RF(R0_REGNUM + 7, inferior_registers.r_r7);
-
-  RF(SP_REGNUM	  , inferior_registers.r_sp);
-  RF(FP_REGNUM	  , inferior_registers.r_fp);
-  RF(PC_REGNUM	  , inferior_registers.r_pc);
-  RF(PS_REGNUM	  , inferior_registers.r_psr);
-
-  RF(FPS_REGNUM   , inferior_fpregisters.r_fsr);
-  RF(FP0_REGNUM +0, inferior_fpregisters.r_freg[0]);
-  RF(FP0_REGNUM +2, inferior_fpregisters.r_freg[2]);
-  RF(FP0_REGNUM +4, inferior_fpregisters.r_freg[4]);
-  RF(FP0_REGNUM +6, inferior_fpregisters.r_freg[6]);
-  RF(LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
-  RF(LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
-  RF(LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
-  RF(LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
-   registers_fetched ();
-}
-
-void
-store_inferior_registers (regno)
-     int regno;
-{
-  struct reg inferior_registers;
-  struct fpreg inferior_fpregisters;
-
-  RS(R0_REGNUM + 0, inferior_registers.r_r0);
-  RS(R0_REGNUM + 1, inferior_registers.r_r1);
-  RS(R0_REGNUM + 2, inferior_registers.r_r2);
-  RS(R0_REGNUM + 3, inferior_registers.r_r3);
-  RS(R0_REGNUM + 4, inferior_registers.r_r4);
-  RS(R0_REGNUM + 5, inferior_registers.r_r5);
-  RS(R0_REGNUM + 6, inferior_registers.r_r6);
-  RS(R0_REGNUM + 7, inferior_registers.r_r7);
-
-  RS(SP_REGNUM	  , inferior_registers.r_sp);
-  RS(FP_REGNUM	  , inferior_registers.r_fp);
-  RS(PC_REGNUM	  , inferior_registers.r_pc);
-  RS(PS_REGNUM	  , inferior_registers.r_psr);
-
-  RS(FPS_REGNUM   , inferior_fpregisters.r_fsr);
-  RS(FP0_REGNUM +0, inferior_fpregisters.r_freg[0]);
-  RS(FP0_REGNUM +2, inferior_fpregisters.r_freg[2]);
-  RS(FP0_REGNUM +4, inferior_fpregisters.r_freg[4]);
-  RS(FP0_REGNUM +6, inferior_fpregisters.r_freg[6]);
-  RS(LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
-  RS(LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
-  RS(LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
-  RS(LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
-
-  ptrace (PT_SETREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-  ptrace (PT_SETFPREGS, inferior_pid,
-	  (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
-}
-
-
-/* XXX - Add this to machine/regs.h instead? */
-struct coreregs {
-  struct reg intreg;
-  struct fpreg freg;
-};
-
-/* Get registers from a core file. */
-static 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;	/* Unused in this version */
-{
-  struct coreregs *core_reg;
-
-  core_reg = (struct coreregs *)core_reg_sect;
-
-  /*
-   * We have *all* registers
-   * in the first core section.
-   * Ignore which.
-   */
-
-  if (core_reg_size < sizeof(*core_reg)) {
-    fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
-    return;
-  }
-
-  /* Integer registers */
-  RF(R0_REGNUM + 0, core_reg->intreg.r_r0);
-  RF(R0_REGNUM + 1, core_reg->intreg.r_r1);
-  RF(R0_REGNUM + 2, core_reg->intreg.r_r2);
-  RF(R0_REGNUM + 3, core_reg->intreg.r_r3);
-  RF(R0_REGNUM + 4, core_reg->intreg.r_r4);
-  RF(R0_REGNUM + 5, core_reg->intreg.r_r5);
-  RF(R0_REGNUM + 6, core_reg->intreg.r_r6);
-  RF(R0_REGNUM + 7, core_reg->intreg.r_r7);
-
-  RF(SP_REGNUM	  , core_reg->intreg.r_sp);
-  RF(FP_REGNUM	  , core_reg->intreg.r_fp);
-  RF(PC_REGNUM	  , core_reg->intreg.r_pc);
-  RF(PS_REGNUM	  , core_reg->intreg.r_psr);
-
-  /* Floating point registers */
-  RF(FPS_REGNUM   , core_reg->freg.r_fsr);
-  RF(FP0_REGNUM +0, core_reg->freg.r_freg[0]);
-  RF(FP0_REGNUM +2, core_reg->freg.r_freg[2]);
-  RF(FP0_REGNUM +4, core_reg->freg.r_freg[4]);
-  RF(FP0_REGNUM +6, core_reg->freg.r_freg[6]);
-  RF(LP0_REGNUM + 1, core_reg->freg.r_freg[1]);
-  RF(LP0_REGNUM + 3, core_reg->freg.r_freg[3]);
-  RF(LP0_REGNUM + 5, core_reg->freg.r_freg[5]);
-  RF(LP0_REGNUM + 7, core_reg->freg.r_freg[7]);
-  registers_fetched ();
-}
-
-/* Register that we are able to handle ns32knbsd core file formats.
-   FIXME: is this really bfd_target_unknown_flavour? */
-
-static struct core_fns nat_core_fns =
-{
-  bfd_target_unknown_flavour,
-  fetch_core_registers,
-  NULL
-};
-
-void
-_initialize_ns32knbsd_nat ()
-{
-  add_core_fns (&nat_core_fns);
-}
-
-
-/*
- * kernel_u_size() is not helpful on NetBSD because
- * the "u" struct is NOT in the core dump file.
- */
-
-#ifdef	FETCH_KCORE_REGISTERS
-/*
- * Get registers from a kernel crash dump or live kernel.
- * Called by kcore-nbsd.c:get_kcore_registers().
- */
-void
-fetch_kcore_registers (pcb)
-     struct pcb *pcb;
-{
-  struct switchframe sf;
-  struct reg intreg;
-  int dummy;
-
-  /* Integer registers */
-  if (target_read_memory((CORE_ADDR)pcb->pcb_ksp, (char *)&sf, sizeof sf))
-     error("Cannot read integer registers.");
-
-  /* We use the psr at kernel entry */
-  if (target_read_memory((CORE_ADDR)pcb->pcb_onstack, (char *)&intreg, sizeof intreg))
-     error("Cannot read processor status register.");
-
-  dummy = 0;
-  RF(R0_REGNUM + 0, dummy);
-  RF(R0_REGNUM + 1, dummy);
-  RF(R0_REGNUM + 2, dummy);
-  RF(R0_REGNUM + 3, sf.sf_r3);
-  RF(R0_REGNUM + 4, sf.sf_r4);
-  RF(R0_REGNUM + 5, sf.sf_r5);
-  RF(R0_REGNUM + 6, sf.sf_r6);
-  RF(R0_REGNUM + 7, sf.sf_r7);
-
-  dummy = pcb->pcb_kfp + 8;
-  RF(SP_REGNUM	  , dummy);
-  RF(FP_REGNUM	  , sf.sf_fp);
-  RF(PC_REGNUM	  , sf.sf_pc);
-  RF(PS_REGNUM	  , intreg.r_psr);
-
-  /* Floating point registers */
-  RF(FPS_REGNUM   , pcb->pcb_fsr);
-  RF(FP0_REGNUM +0, pcb->pcb_freg[0]);
-  RF(FP0_REGNUM +2, pcb->pcb_freg[2]);
-  RF(FP0_REGNUM +4, pcb->pcb_freg[4]);
-  RF(FP0_REGNUM +6, pcb->pcb_freg[6]);
-  RF(LP0_REGNUM + 1, pcb->pcb_freg[1]);
-  RF(LP0_REGNUM + 3, pcb->pcb_freg[3]);
-  RF(LP0_REGNUM + 5, pcb->pcb_freg[5]);
-  RF(LP0_REGNUM + 7, pcb->pcb_freg[7]);
-  registers_fetched ();
-}
-#endif	/* FETCH_KCORE_REGISTERS */
-
-void
-clear_regs()
-{
-  double zero = 0.0;
-  int null = 0;
-  
-  /* Integer registers */
-  RF(R0_REGNUM + 0, null);
-  RF(R0_REGNUM + 1, null);
-  RF(R0_REGNUM + 2, null);
-  RF(R0_REGNUM + 3, null);
-  RF(R0_REGNUM + 4, null);
-  RF(R0_REGNUM + 5, null);
-  RF(R0_REGNUM + 6, null);
-  RF(R0_REGNUM + 7, null);
-
-  RF(SP_REGNUM	  , null);
-  RF(FP_REGNUM	  , null);
-  RF(PC_REGNUM	  , null);
-  RF(PS_REGNUM	  , null);
-
-  /* Floating point registers */
-  RF(FPS_REGNUM   , zero);
-  RF(FP0_REGNUM +0, zero);
-  RF(FP0_REGNUM +2, zero);
-  RF(FP0_REGNUM +4, zero);
-  RF(FP0_REGNUM +6, zero);
-  RF(LP0_REGNUM + 0, zero);
-  RF(LP0_REGNUM + 1, zero);
-  RF(LP0_REGNUM + 2, zero);
-  RF(LP0_REGNUM + 3, zero);
-  return;
-}
-
-/* Return number of args passed to a frame.
-   Can return -1, meaning no way to tell. */
-
-int
-frame_num_args(fi)
-struct frame_info *fi;
-{
-	CORE_ADDR	enter_addr;
-	CORE_ADDR	argp;
-	int		inst;
-	int		args;
-	int		i;
-
-	if (read_memory_integer (fi->frame, 4) == 0 && fi->pc < 0x10000) {
-		/* main is always called with three args */
-		return(3);
-	}
-	enter_addr = ns32k_get_enter_addr(fi->pc);
-	if (enter_addr = 0)
-		return(-1);
-	argp = enter_addr == 1 ? SAVED_PC_AFTER_CALL(fi) : FRAME_SAVED_PC(fi);
-	for (i = 0; i < 16; i++) {
-		/*
-		 * After a bsr gcc may emit the following instructions
-		 * to remove the arguments from the stack:
-		 *   cmpqd 0,tos 	- to remove 4 bytes from the stack
-		 *   cmpd tos,tos	- to remove 8 bytes from the stack
-		 *   adjsp[bwd] -n	- to remove n bytes from the stack
-		 * Gcc sometimes delays emitting these instructions and
-		 * may even throw a branch between our feet.
-		 */		 
-		inst = read_memory_integer(argp    , 4);
-		args = read_memory_integer(argp + 2, 4);
-		if ((inst & 0xff) == 0xea) {		/* br */
-			args = ((inst >> 8) & 0xffffff) | (args << 24);
-			if (args & 0x80) {
-				if (args & 0x40) {
-					args = ntohl(args);
-				} else {
-					args = ntohs(args & 0xffff);
-					if (args & 0x2000)
-						args |= 0xc000;
-				}
-			} else {
-				args = args & 0xff;
-				if (args & 0x40)
-					args |= 0x80;
-			}
-			argp += args;
-			continue;
-		}
-		if ((inst & 0xffff) == 0xb81f)		/* cmpqd 0,tos */
-			return(1);
-		else if ((inst & 0xffff) == 0xbdc7)	/* cmpd tos,tos */
-			return(2);
-		else if ((inst & 0xfffc) == 0xa57c) {	/* adjsp[bwd] */
-			switch (inst & 3) {
-			case 0:
-				args = ((args & 0xff) + 0x80);
-				break;
-			case 1:
-				args = ((ntohs(args) & 0xffff) + 0x8000);
-				break;
-			case 3:
-				args = -ntohl(args);
-				break;
-			default:
-				return(-1);
-			}
-			if (args / 4 > 10 || (args & 3) != 0)
-				continue;
-			return(args / 4);
-		}
-		argp += 1;
-	}
-	return(-1);
-}