GDB 6.3 (excluding .info files)

3 files changed, 288 insertions, 0 deletions

diff --git a/gnu/usr.bin/binutils/gdb/config/vax/nbsd.mt b/gnu/usr.bin/binutils/gdb/config/vax/nbsd.mt
new file mode 100644
index 00000000000..56c34687803
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/config/vax/nbsd.mt
@@ -0,0 +1,3 @@
+# Target: VAX running NetBSD
+TDEPFILES= vax-tdep.o solib.o
+TM_FILE= tm-nbsd.h
diff --git a/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh b/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh
new file mode 100644
index 00000000000..a9b86728dda
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/config/vax/obsd.mh
@@ -0,0 +1,6 @@
+# Host: VAX running OpenBSD
+XDEPFILES= ser-tcp.o
+XM_FILE= xm-obsd.h
+NAT_FILE= nm-obsd.h
+NAT_CLIBS= -lkvm
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o kcore-nbsd.o vaxnbsd-nat.o
diff --git a/gnu/usr.bin/binutils/gdb/i386nbsd-nat.c b/gnu/usr.bin/binutils/gdb/i386nbsd-nat.c
new file mode 100644
index 00000000000..5b60babba96
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/i386nbsd-nat.c
@@ -0,0 +1,279 @@
+/* Functions specific to running gdb native on an i386 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"
+
+void
+fetch_inferior_registers (regno)
+     int regno;
+{
+  struct reg inferior_registers;
+
+  ptrace (PT_GETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+  memcpy (&registers[REGISTER_BYTE (0)], &inferior_registers,
+	  sizeof(inferior_registers));
+
+  /* FIXME: FP regs? */
+  registers_fetched ();
+}
+
+void
+store_inferior_registers (regno)
+     int regno;
+{
+  struct reg inferior_registers;
+
+  memcpy (&inferior_registers, &registers[REGISTER_BYTE (0)],
+	  sizeof(inferior_registers));
+  ptrace (PT_SETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+
+  /* FIXME: FP regs? */
+}
+
+
+/* XXX - Add this to machine/regs.h instead? */
+struct md_core {
+  struct reg intreg;
+  struct fpreg freg;
+};
+
+static struct fpreg i386_fp_registers;
+static int i386_fp_read = 0;
+
+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 md_core *core_reg;
+
+  core_reg = (struct md_core *)core_reg_sect;
+
+  /* We get everything from the .reg section. */
+  if (which != 0)
+    return;
+
+  if (core_reg_size < sizeof(struct reg)) {
+    fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
+    return;
+  }
+
+  /* Integer registers */
+  memcpy(&registers[REGISTER_BYTE (0)],
+	 &core_reg->intreg, sizeof(struct reg));
+
+  /* Floating point registers */
+  i386_fp_registers = core_reg->freg;
+  i386_fp_read = 1;
+
+  registers_fetched ();
+}
+
+/* Register that we are able to handle i386nbsd 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_i386nbsd_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;
+{
+  int i, regno, regs[4];
+
+  /*
+   * get the register values out of the sys pcb and
+   * store them where `read_register' will find them.
+   */
+  if (target_read_memory(pcb->pcb_tss.tss_esp+4,
+			 (char *)regs, sizeof(regs)))
+    error("Cannot read ebx, esi, and edi.");
+  for (i = 0, regno = 0; regno < 3; regno++)
+    supply_register(regno, (char *)&i);
+  supply_register(3, (char *)&regs[2]);
+  supply_register(4, (char *)&pcb->pcb_tss.tss_esp);
+  supply_register(5, (char *)&pcb->pcb_tss.tss_ebp);
+  supply_register(6, (char *)&regs[1]);
+  supply_register(7, (char *)&regs[0]);
+  supply_register(8, (char *)&regs[3]);
+  for (i = 0, regno = 9; regno < 10; regno++)
+    supply_register(regno, (char *)&i);
+#if 0
+  i = 0x08;
+  supply_register(10, (char *)&i);
+  i = 0x10;
+  supply_register(11, (char *)&i);
+#endif
+
+  /* The kernel does not use the FPU, so ignore it. */
+  registers_fetched ();
+}
+#endif	/* FETCH_KCORE_REGISTERS */
+
+#ifdef FLOAT_INFO
+#include "language.h"			/* for local_hex_string */
+#include "floatformat.h"
+
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
+#include <a.out.h>
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/uio.h>
+#define curpcb Xcurpcb	/* XXX avoid leaking declaration from pcb.h */
+#include <sys/user.h>
+#undef curpcb
+#include <sys/file.h>
+#include "gdb_stat.h"
+#include <sys/ptrace.h>
+
+extern void print_387_control_word ();		/* i387-tdep.h */
+extern void print_387_status_word ();
+
+struct env387 
+{
+  unsigned short control;
+  unsigned short r0;
+  unsigned short status;
+  unsigned short r1;
+  unsigned short tag;
+  unsigned short r2;
+  unsigned long eip;
+  unsigned short code_seg;
+  unsigned short opcode;
+  unsigned long operand;
+  unsigned short operand_seg;
+  unsigned short r3;
+  unsigned char regs[8][10];
+};
+
+static void
+print_387_status (status, ep)
+     unsigned short status;
+     struct env387 *ep;
+{
+  int i;
+  int bothstatus;
+  int top;
+  int fpreg;
+  
+  bothstatus = ((status != 0) && (ep->status != 0));
+  if (status != 0) 
+    {
+      if (bothstatus)
+	printf_unfiltered ("u: ");
+      print_387_status_word ((unsigned int)status);
+    }
+  
+  if (ep->status != 0) 
+    {
+      if (bothstatus)
+	printf_unfiltered ("e: ");
+      print_387_status_word ((unsigned int)ep->status);
+    }
+  
+  print_387_control_word ((unsigned int)ep->control);
+  printf_unfiltered ("last exception: ");
+  printf_unfiltered ("opcode %s; ", local_hex_string(ep->opcode));
+  printf_unfiltered ("pc %s:", local_hex_string(ep->code_seg));
+  printf_unfiltered ("%s; ", local_hex_string(ep->eip));
+  printf_unfiltered ("operand %s", local_hex_string(ep->operand_seg));
+  printf_unfiltered (":%s\n", local_hex_string(ep->operand));
+
+  top = (ep->status >> 11) & 7;
+  
+  printf_unfiltered ("regno     tag  msb              lsb  value\n");
+  for (fpreg = 7; fpreg >= 0; fpreg--) 
+    {
+      double val;
+      
+      printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : "  ", fpreg); 
+
+      switch ((ep->tag >> (fpreg * 2)) & 3) 
+	{
+	case 0: printf_unfiltered ("valid "); break;
+	case 1: printf_unfiltered ("zero  "); break;
+	case 2: printf_unfiltered ("trap  "); break;
+	case 3: printf_unfiltered ("empty "); break;
+	}
+      for (i = 9; i >= 0; i--)
+	printf_unfiltered ("%02x", ep->regs[fpreg][i]);
+      
+      floatformat_to_double(&floatformat_i387_ext, (char *) ep->regs[fpreg], 
+			      &val);
+      printf_unfiltered ("  %g\n", val);
+    }
+}
+
+i386_float_info ()
+{
+  extern int inferior_pid;
+  
+  if (inferior_pid) 
+    {
+      ptrace (PT_GETFPREGS, inferior_pid, (PTRACE_ARG3_TYPE) &i386_fp_registers,
+	      0);
+    } 
+  else if (!i386_fp_read)
+    {
+      error ("The program has no floating point registers now.");
+    }
+  
+  print_387_status (0, (struct env387 *) &i386_fp_registers);
+}
+#endif