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[patch 2/2] Add hppa-linux target to gdb


Second of two patches incorporating comments from Eli and Dan. This
adds code to support hppa-linux as a target. Compared to the previous
version, tm-linux.h was removed in favor of the existing tm-hppa.h.

thanks
randolph

2004-04-04  Randolph Chung  <tausq@debian.org>

	* configure.host: Add hppa*-*-linux* target.
	* configure.tgt: Likewise.
	* config/pa/linux.mh: New file.
	* config/pa/linux.mt: New file.
	* config/pa/nm-linux.h: New file.
	* config/pa/tm-linux.h: New file.
	* hppa-linux-nat.c: New file.
	* hppa-linux-tdep.c: New file.
	* hppa-linux-tdep.h: New file.
	* config/djgpp/fnchange.lst: Add entries for hppa-linux-tdep.c and

diff -uNrp gdb-cvs/gdb/config/djgpp/fnchange.lst gdb-work/gdb/config/djgpp/fnchange.lst
--- gdb-cvs/gdb/config/djgpp/fnchange.lst	2004-02-28 10:01:48.000000000 -0800
+++ gdb-work/gdb/config/djgpp/fnchange.lst	2004-04-03 22:09:29.000000000 -0800
@@ -232,6 +232,8 @@
 @V@/gdb/testsuite/gdb.mi/mi2-var-display.exp @V@/gdb/testsuite/gdb.mi/mi2vardisplay.exp
 @V@/gdb/amd64-linux-tdep.c @V@/gdb/amd64-ltdep.c
 @V@/gdb/amd64-linux-nat.c @V@/gdb/amd64-lnat.c
+@V@/gdb/hppa-linux-tdep.c @V@/gdb/palnxtdep.c
+@V@/gdb/hppa-linux-nat.c @V@/gdb/palnxnat.c
 @V@/include/ChangeLog-9103 @V@/include/ChangeLog.9103
 @V@/include/coff/ChangeLog-9103 @V@/include/coff/ChangeLog.9103
 @V@/include/elf/ChangeLog-9103 @V@/include/elf/ChangeLog.9103
diff -uNrp gdb-cvs/gdb/config/pa/linux.mh gdb-work/gdb/config/pa/linux.mh
--- gdb-cvs/gdb/config/pa/linux.mh	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/config/pa/linux.mh	2004-04-04 10:37:16.363143992 -0700
@@ -0,0 +1,9 @@
+# Host: Hewlett-Packard PA-RISC machine, running Linux
+XDEPFILES=
+XM_FILE= xm-linux.h
+NAT_FILE= nm-linux.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o gcore.o \
+	core-regset.o hppa-linux-nat.o linux-proc.o \
+	proc-service.o thread-db.o lin-lwp.o linux-nat.o
+
+XM_CLIBS= -ldl
diff -uNrp gdb-cvs/gdb/config/pa/linux.mt gdb-work/gdb/config/pa/linux.mt
--- gdb-cvs/gdb/config/pa/linux.mt	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/config/pa/linux.mt	2004-04-04 09:36:32.799049928 -0700
@@ -0,0 +1,3 @@
+# Target: HP PA-RISC running Linux
+TDEPFILES= hppa-tdep.o hppa-linux-tdep.o glibc-tdep.o solib.o solib-svr4.o
+TM_FILE=tm-hppa.h
diff -uNrp gdb-cvs/gdb/config/pa/nm-linux.h gdb-work/gdb/config/pa/nm-linux.h
--- gdb-cvs/gdb/config/pa/nm-linux.h	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/config/pa/nm-linux.h	2004-04-04 10:01:17.686312752 -0700
@@ -0,0 +1,56 @@
+/* Native support for GNU/Linux, for GDB, the GNU debugger.
+   Copyright (C) 2004 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.  */
+
+#ifndef PA_NM_LINUX_H
+#define PA_NM_LINUX_H
+
+#include "config/nm-linux.h"
+
+#define U_REGS_OFFSET 0
+
+#define CANNOT_FETCH_REGISTER(regno) pa_cannot_fetch_register(regno)
+extern int pa_cannot_fetch_register (int regno);
+
+#define CANNOT_STORE_REGISTER(regno) pa_cannot_store_register(regno)
+extern int pa_cannot_store_register (int regno);
+
+#define HAVE_STEPPABLE_WATCHPOINT 1
+#define STOPPED_BY_WATCHPOINT(W) \
+  pa_linux_stopped_by_watchpoint (PIDGET(inferior_ptid))
+extern CORE_ADDR pa_linux_stopped_by_watchpoint (int);
+
+#define target_insert_watchpoint(addr, len, type) \
+  pa_linux_insert_watchpoint (PIDGET(inferior_ptid), addr, len, type)
+extern int pa_linux_insert_watchpoint (int pid, CORE_ADDR addr,
+                                       int len, int rw);
+
+#define target_remove_watchpoint(addr, len, type) \
+  pa_linux_remove_watchpoint (PIDGET(inferior_ptid), addr, len)
+extern int pa_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len);
+
+/* Hardware watchpoints */
+
+#define TARGET_HAS_HARDWARE_WATCHPOINTS
+
+#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
+  (type == bp_hardware_watchpoint) 
+
+#endif
+
diff -uNrp gdb-cvs/gdb/config/pa/xm-linux.h gdb-work/gdb/config/pa/xm-linux.h
--- gdb-cvs/gdb/config/pa/xm-linux.h	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/config/pa/xm-linux.h	2004-04-04 09:38:25.591902808 -0700
@@ -0,0 +1,31 @@
+/* Host-dependent definitions for the hppa-linux.
+
+   Copyright 2004 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.  */
+
+#ifndef XM_HPPA_LINUX_H
+#define XM_HPPA_LINUX_H
+
+#include "floatformat.h"
+
+#define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
+#define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
+#define HOST_LONG_DOUBLE_FORMAT &floatformat_ieee_double_big
+
+#endif /* xm-linux.h */
diff -uNrp gdb-cvs/gdb/configure.host gdb-work/gdb/configure.host
--- gdb-cvs/gdb/configure.host	2004-02-25 12:45:30.000000000 -0800
+++ gdb-work/gdb/configure.host	2004-04-03 16:29:22.000000000 -0800
@@ -48,6 +48,7 @@ hppa*-*-hpux10.20)	gdb_host=hpux1020 ;;
 hppa*64*-*-hpux11*)	gdb_host=hpux11w ;;
 hppa*-*-hpux11*)	gdb_host=hpux11 ;;
 hppa*-*-hpux*)		gdb_host=hppahpux ;;
+hppa*-*-linux*)		gdb_host=linux ;;
 
 i[34567]86-ncr-*)	gdb_host=ncr3000 ;;
 i[34567]86-*-dgux*)	gdb_host=i386v4 ;;
diff -uNrp gdb-cvs/gdb/configure.tgt gdb-work/gdb/configure.tgt
--- gdb-cvs/gdb/configure.tgt	2004-02-25 12:45:30.000000000 -0800
+++ gdb-work/gdb/configure.tgt	2004-04-03 16:29:43.000000000 -0800
@@ -74,6 +74,7 @@ frv-*-*)		gdb_target=frv ;;
 hppa*64*-*-hpux11*)	gdb_target=hppa64 ;;
 hppa*-*-hpux*)		gdb_target=hppahpux ;;
 hppa*-*-hiux*)		gdb_target=hppahpux ;;
+hppa*-*-linux*)		gdb_target=linux ;;
 hppa*-*-*)		gdb_target=hppa ;;
 
 i[34567]86-ncr-*)	gdb_target=ncr3000 ;;
diff -uNrp gdb-cvs/gdb/hppa-linux-nat.c gdb-work/gdb/hppa-linux-nat.c
--- gdb-cvs/gdb/hppa-linux-nat.c	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/hppa-linux-nat.c	2004-04-04 10:29:54.805270992 -0700
@@ -0,0 +1,350 @@
+/* Functions specific to running gdb native on HPPA running Linux.
+   Copyright 2004 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 "inferior.h"
+#include "gdbcore.h"
+#include "regcache.h"
+#include "linux-nat.h"
+
+#include "gdb_assert.h"
+#include "gdb_string.h"
+#include <sys/ptrace.h>
+#include <sys/user.h>
+#include <sys/procfs.h>
+#include <string.h>
+
+#ifdef HAVE_SYS_REG_H
+#include <sys/reg.h>
+#endif
+
+#include <asm/offsets.h>
+
+/* Prototypes for supply_gregset etc. */
+#include "gregset.h"
+
+#include "hppa-linux-tdep.h"
+
+/* These must match the order of the register names.
+
+   Some sort of lookup table is needed because the offsets associated
+   with the registers are all over the board.  */
+
+static const int u_offsets[] =
+  {
+    /* general registers */
+    -1,
+    PT_GR1,
+    PT_GR2,
+    PT_GR3,
+    PT_GR4,
+    PT_GR5,
+    PT_GR6,
+    PT_GR7,
+    PT_GR8,
+    PT_GR9,
+    PT_GR10,
+    PT_GR11,
+    PT_GR12,
+    PT_GR13,
+    PT_GR14,
+    PT_GR15,
+    PT_GR16,
+    PT_GR17,
+    PT_GR18,
+    PT_GR19,
+    PT_GR20,
+    PT_GR21,
+    PT_GR22,
+    PT_GR23,
+    PT_GR24,
+    PT_GR25,
+    PT_GR26,
+    PT_GR27,
+    PT_GR28,
+    PT_GR29,
+    PT_GR30,
+    PT_GR31,
+
+    PT_SAR,
+    PT_IAOQ0,
+    PT_IASQ0,
+    PT_IAOQ1,
+    PT_IASQ1,
+    -1, /* eiem */
+    PT_IIR,
+    PT_ISR,
+    PT_IOR,
+    PT_PSW,
+    -1, /* goto */
+
+    PT_SR4,
+    PT_SR0,
+    PT_SR1,
+    PT_SR2,
+    PT_SR3,
+    PT_SR5,
+    PT_SR6,
+    PT_SR7,
+
+    -1, /* cr0 */
+    -1, /* pid0 */
+    -1, /* pid1 */
+    -1, /* ccr */
+    -1, /* pid2 */
+    -1, /* pid3 */
+    -1, /* cr24 */
+    -1, /* cr25 */
+    -1, /* cr26 */
+    PT_CR27,
+    -1, /* cr28 */
+    -1, /* cr29 */
+    -1, /* cr30 */
+
+    /* Floating point regs.  */
+    PT_FR0,  PT_FR0 + 4,
+    PT_FR1,  PT_FR1 + 4,
+    PT_FR2,  PT_FR2 + 4,
+    PT_FR3,  PT_FR3 + 4,
+    PT_FR4,  PT_FR4 + 4,
+    PT_FR5,  PT_FR5 + 4,
+    PT_FR6,  PT_FR6 + 4,
+    PT_FR7,  PT_FR7 + 4,
+    PT_FR8,  PT_FR8 + 4,
+    PT_FR9,  PT_FR9 + 4,
+    PT_FR10, PT_FR10 + 4,
+    PT_FR11, PT_FR11 + 4,
+    PT_FR12, PT_FR12 + 4,
+    PT_FR13, PT_FR13 + 4,
+    PT_FR14, PT_FR14 + 4,
+    PT_FR15, PT_FR15 + 4,
+    PT_FR16, PT_FR16 + 4,
+    PT_FR17, PT_FR17 + 4,
+    PT_FR18, PT_FR18 + 4,
+    PT_FR19, PT_FR19 + 4,
+    PT_FR20, PT_FR20 + 4,
+    PT_FR21, PT_FR21 + 4,
+    PT_FR22, PT_FR22 + 4,
+    PT_FR23, PT_FR23 + 4,
+    PT_FR24, PT_FR24 + 4,
+    PT_FR25, PT_FR25 + 4,
+    PT_FR26, PT_FR26 + 4,
+    PT_FR27, PT_FR27 + 4,
+    PT_FR28, PT_FR28 + 4,
+    PT_FR29, PT_FR29 + 4,
+    PT_FR30, PT_FR30 + 4,
+    PT_FR31, PT_FR31 + 4,
+  };
+
+CORE_ADDR
+register_addr (int regno, CORE_ADDR blockend)
+{
+  CORE_ADDR addr;
+
+  if ((unsigned) regno >= NUM_REGS)
+    error ("Invalid register number %d.", regno);
+
+  if (u_offsets[regno] == -1)
+    addr = 0;
+  else
+    {
+      addr = (CORE_ADDR) u_offsets[regno];
+    }
+
+  return addr;
+}
+
+int pa_cannot_fetch_register (regno)
+     int regno;
+{
+  return (unsigned int) regno >= NUM_REGS || u_offsets[regno] == -1;
+}
+
+int pa_cannot_store_register (regno)
+     int regno;
+{
+  return ((unsigned int) regno >= NUM_REGS
+	  || regno == PA_GR0_REGNUM
+	  || regno == PA_PCSQ_HEAD_REGNUM
+	  || (regno >= PA_PCSQ_TAIL_REGNUM && regno < PA_IPSW_REGNUM)
+	  || (regno > PA_IPSW_REGNUM && regno < PA_FR4_REGNUM));
+}
+
+static const int greg_map[] =
+  {
+    PA_GR0_REGNUM,
+    PA_GR1_REGNUM,
+    PA_GR2_REGNUM,
+    PA_GR3_REGNUM,
+    PA_GR4_REGNUM,
+    PA_GR5_REGNUM,
+    PA_GR6_REGNUM,
+    PA_GR7_REGNUM,
+    PA_GR8_REGNUM,
+    PA_GR9_REGNUM,
+    PA_GR10_REGNUM,
+    PA_GR11_REGNUM,
+    PA_GR12_REGNUM,
+    PA_GR13_REGNUM,
+    PA_GR14_REGNUM,
+    PA_GR15_REGNUM,
+    PA_GR16_REGNUM,
+    PA_GR17_REGNUM,
+    PA_GR18_REGNUM,
+    PA_GR19_REGNUM,
+    PA_GR20_REGNUM,
+    PA_GR21_REGNUM,
+    PA_GR22_REGNUM,
+    PA_GR23_REGNUM,
+    PA_GR24_REGNUM,
+    PA_GR25_REGNUM,
+    PA_GR26_REGNUM,
+    PA_GR27_REGNUM,
+    PA_GR28_REGNUM,
+    PA_GR29_REGNUM,
+    PA_GR30_REGNUM,
+    PA_GR31_REGNUM,
+    PA_SR0_REGNUM,
+    PA_SR1_REGNUM,
+    PA_SR2_REGNUM,
+    PA_SR3_REGNUM,
+    PA_SR4_REGNUM,
+    PA_SR5_REGNUM,
+    PA_SR6_REGNUM,
+    PA_SR7_REGNUM,
+    PA_PCOQ_HEAD_REGNUM,
+    PA_PCOQ_TAIL_REGNUM,
+    PA_PCSQ_HEAD_REGNUM,
+    PA_PCSQ_TAIL_REGNUM,
+    PA_CR11_REGNUM,
+    PA_CR19_REGNUM,
+    PA_CR20_REGNUM,
+    PA_CR21_REGNUM,
+    PA_CR22_REGNUM,
+    PA_CR0_REGNUM,
+    PA_CR24_REGNUM,
+    PA_CR25_REGNUM,
+    PA_CR26_REGNUM,
+    PA_CR27_REGNUM,
+    PA_CR28_REGNUM,
+    PA_CR29_REGNUM,
+    PA_CR30_REGNUM,
+    PA_CR31_REGNUM,
+    PA_CR8_REGNUM,
+    PA_CR9_REGNUM,
+    PA_CR12_REGNUM,
+    PA_CR13_REGNUM,
+    PA_CR10_REGNUM,
+    PA_CR15_REGNUM
+  };
+
+void
+supply_gregset (gdb_gregset_t *gregsetp)
+{
+  int i;
+  greg_t *regp = (greg_t *) gregsetp;
+
+  for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++, regp++)
+    {
+      int regno = greg_map[i];
+      /* When running a 64 bit kernel, a greg_t may be larger than the
+	 actual register, so just pick off the LS bits of big-endian word.  */
+      supply_register (regno,
+		       ((char *) (regp + 1)) - register_size (current_gdbarch, regno));
+    }
+}
+
+void
+fill_gregset (gdb_gregset_t *gregsetp, int regno)
+{
+  int i;
+  greg_t *regp = (greg_t *) gregsetp;
+
+  memset (gregsetp, 0, sizeof (*gregsetp));
+  for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++, regp++)
+    {
+      int regi = greg_map[i];
+
+      if (regno == -1 || regi == regno)
+	{
+	  int rawsize = register_size (current_gdbarch, regi);
+	  regcache_collect (regi, ((char *) (regp + 1)) - rawsize);
+	}
+    }
+}
+
+/*  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 (gdb_fpregset_t *fpregsetp)
+{
+  register int regi;
+  char *from;
+
+  for (regi = 0; regi <= 31; regi++)
+    {
+      from = (char *) &((*fpregsetp)[regi]);
+      supply_register (2*regi + PA_FR0_REGNUM, from);
+      supply_register (2*regi + PA_FR0_REGNUM + 1, from + 4);
+    }
+}
+
+/*  Given a pointer to a floating point register set in /proc format
+   (fpregset_t *), update the register specified by REGNO from gdb's idea
+   of the current floating point register set.  If REGNO is -1, update
+   them all. */
+
+void
+fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
+{
+  if (regno == -1)
+    deprecated_read_register_bytes (DEPRECATED_REGISTER_BYTE (PA_FR0_REGNUM),
+				    (char *)fpregsetp,
+				    32 * 2 * DEPRECATED_REGISTER_RAW_SIZE (PA_FR0_REGNUM));
+  else
+    {
+      /* Gross.  fpregset_t is double, registers[x] has single
+	 precision reg.  */
+      char *to = (char *) &((*fpregsetp)[(regno - PA_FR0_REGNUM) / 2]);
+      if ((regno - PA_FR0_REGNUM) & 1)
+	to += 4;
+      regcache_collect (regno, to);
+    }
+}
+
+int
+pa_linux_insert_watchpoint (int pid, CORE_ADDR addr, int len, int rw)
+{
+  return -1;
+}
+
+int
+pa_linux_remove_watchpoint (int pid, CORE_ADDR addr, int len)
+{
+  return -1;
+}
+
+CORE_ADDR
+pa_linux_stopped_by_watchpoint (int pid)
+{
+  return 0;
+}
diff -uNrp gdb-cvs/gdb/hppa-linux-tdep.c gdb-work/gdb/hppa-linux-tdep.c
--- gdb-cvs/gdb/hppa-linux-tdep.c	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/hppa-linux-tdep.c	2004-04-03 20:02:21.000000000 -0800
@@ -0,0 +1,58 @@
+/* Target-dependent code for Linux running on PA-RISC, for GDB.
+
+   Copyright 2004 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 "arch-utils.h"
+#include "gdbcore.h"
+#include "osabi.h"
+#include "gdb_string.h"
+#include "frame.h"
+#include "inferior.h"
+#include "target.h"
+#include "objfiles.h"
+#include "elf/common.h"
+#include "solib-svr4.h"
+#include "glibc-tdep.h"
+
+#include "hppa-linux-tdep.h"
+
+/* Forward declarations.  */
+extern initialize_file_ftype _initialize_hppa_linux_tdep;
+
+static void
+hppa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  /* GNU/Linux uses SVR4-style shared libraries.  */
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
+
+  /* GNU/Linux uses the dynamic linker included in the GNU C Library.  */
+  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
+}
+
+void
+_initialize_hppa_linux_tdep (void)
+{
+  gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_LINUX, hppa_linux_init_abi);
+}
+
+
diff -uNrp gdb-cvs/gdb/hppa-linux-tdep.h gdb-work/gdb/hppa-linux-tdep.h
--- gdb-cvs/gdb/hppa-linux-tdep.h	1969-12-31 16:00:00.000000000 -0800
+++ gdb-work/gdb/hppa-linux-tdep.h	2004-04-03 19:51:40.000000000 -0800
@@ -0,0 +1,140 @@
+/* Definitions to target GDB to any Hewlett-Packard PA-RISC machine.
+   Copyright 2004 Free Software Foundation, Inc. 
+
+   Contributed by Randolph Chung <tausq@debian.org>
+
+   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.  */
+
+#ifndef HPPA_LINUX_TDEP_H
+#define HPPA_LINUX_TDEP_H
+
+#include "hppa-tdep.h"
+
+/* Register numbers of various registers,  */
+
+/* General registers.  */
+#define PA_GR0_REGNUM		0
+#define PA_GR1_REGNUM		(PA_GR0_REGNUM+1)
+#define PA_GR2_REGNUM		(PA_GR0_REGNUM+2)
+#define PA_GR3_REGNUM		(PA_GR0_REGNUM+3)
+#define PA_GR4_REGNUM		(PA_GR0_REGNUM+4)
+#define PA_GR5_REGNUM		(PA_GR0_REGNUM+5)
+#define PA_GR6_REGNUM		(PA_GR0_REGNUM+6)
+#define PA_GR7_REGNUM		(PA_GR0_REGNUM+7)
+#define PA_GR8_REGNUM		(PA_GR0_REGNUM+8)
+#define PA_GR9_REGNUM		(PA_GR0_REGNUM+9)
+#define PA_GR10_REGNUM		(PA_GR0_REGNUM+10)
+#define PA_GR11_REGNUM		(PA_GR0_REGNUM+11)
+#define PA_GR12_REGNUM		(PA_GR0_REGNUM+12)
+#define PA_GR13_REGNUM		(PA_GR0_REGNUM+13)
+#define PA_GR14_REGNUM		(PA_GR0_REGNUM+14)
+#define PA_GR15_REGNUM		(PA_GR0_REGNUM+15)
+#define PA_GR16_REGNUM		(PA_GR0_REGNUM+16)
+#define PA_GR17_REGNUM		(PA_GR0_REGNUM+17)
+#define PA_GR18_REGNUM		(PA_GR0_REGNUM+18)
+#define PA_GR19_REGNUM		(PA_GR0_REGNUM+19)
+#define PA_GR20_REGNUM		(PA_GR0_REGNUM+20)
+#define PA_GR21_REGNUM		(PA_GR0_REGNUM+21)
+#define PA_GR22_REGNUM		(PA_GR0_REGNUM+22)
+#define PA_GR23_REGNUM		(PA_GR0_REGNUM+23)
+#define PA_GR24_REGNUM		(PA_GR0_REGNUM+24)
+#define PA_GR25_REGNUM		(PA_GR0_REGNUM+25)
+#define PA_GR26_REGNUM		(PA_GR0_REGNUM+26)
+#define PA_GR27_REGNUM		(PA_GR0_REGNUM+27)
+#define PA_GR28_REGNUM		(PA_GR0_REGNUM+28)
+#define PA_GR29_REGNUM		(PA_GR0_REGNUM+29)
+#define PA_GR30_REGNUM		(PA_GR0_REGNUM+30)
+#define PA_GR31_REGNUM		(PA_GR0_REGNUM+31)
+
+/* Control registers.  The peculiar layout is to match HPUX interrupt save
+   state.  */
+#define PA_CR11_REGNUM		32
+#define PA_PCOQ_HEAD_REGNUM	33	/* CR18 */
+#define PA_PCSQ_HEAD_REGNUM	34	/* CR17 */
+#define PA_PCOQ_TAIL_REGNUM	35	/* CR18 */
+#define PA_PCSQ_TAIL_REGNUM	36	/* CR17 */
+#define PA_CR15_REGNUM		37
+#define PA_CR19_REGNUM		38
+#define PA_CR20_REGNUM		39
+#define PA_CR21_REGNUM		40
+#define PA_CR22_REGNUM		41
+#define PA_CR31_REGNUM		42
+
+/* Space registers.  */
+#define PA_SR4_REGNUM		43
+#define PA_SR0_REGNUM		44
+#define PA_SR1_REGNUM		45
+#define PA_SR2_REGNUM		46
+#define PA_SR3_REGNUM		47
+#define PA_SR5_REGNUM		48
+#define PA_SR6_REGNUM		49
+#define PA_SR7_REGNUM		50
+
+/* More control regs.  */
+#define PA_CR0_REGNUM		51
+#define PA_CR8_REGNUM		52
+#define PA_CR9_REGNUM		53
+#define PA_CR10_REGNUM		54
+#define PA_CR12_REGNUM		55
+#define PA_CR13_REGNUM		56
+#define PA_CR24_REGNUM		57
+#define PA_CR25_REGNUM		58
+#define PA_CR26_REGNUM		59
+#define PA_CR27_REGNUM		60
+#define PA_CR28_REGNUM		61
+#define PA_CR29_REGNUM		62
+#define PA_CR30_REGNUM		63
+
+/* Floating point registers.  */
+#define PA_FR0_REGNUM		64
+#define PA_FR1_REGNUM		(PA_FR0_REGNUM+2)
+#define PA_FR2_REGNUM		(PA_FR0_REGNUM+4)
+#define PA_FR3_REGNUM		(PA_FR0_REGNUM+6)
+#define PA_FR4_REGNUM		(PA_FR0_REGNUM+8)
+#define PA_FR5_REGNUM		(PA_FR0_REGNUM+10)
+#define PA_FR6_REGNUM		(PA_FR0_REGNUM+12)
+#define PA_FR7_REGNUM		(PA_FR0_REGNUM+14)
+#define PA_FR31_REGNUM		(PA_FR0_REGNUM+62)
+
+/* Some aliases.  */
+#define PA_FLAGS_REGNUM		PA_GR0_REGNUM
+#define PA_SAR_REGNUM		PA_CR11_REGNUM
+#define PA_IPSW_REGNUM		PA_CR22_REGNUM
+
+/*
+ * Processor Status Word Masks
+ */
+
+#define PSW_T   0x01000000	/* Taken Branch Trap Enable */
+#define PSW_H   0x00800000	/* Higher-Privilege Transfer Trap Enable */
+#define PSW_L   0x00400000	/* Lower-Privilege Transfer Trap Enable */
+#define PSW_N   0x00200000	/* PC Queue Front Instruction Nullified */
+#define PSW_X   0x00100000	/* Data Memory Break Disable */
+#define PSW_B   0x00080000	/* Taken Branch in Previous Cycle */
+#define PSW_C   0x00040000	/* Code Address Translation Enable */
+#define PSW_V   0x00020000	/* Divide Step Correction */
+#define PSW_M   0x00010000	/* High-Priority Machine Check Disable */
+#define PSW_CB  0x0000ff00	/* Carry/Borrow Bits */
+#define PSW_R   0x00000010	/* Recovery Counter Enable */
+#define PSW_Q   0x00000008	/* Interruption State Collection Enable */
+#define PSW_P   0x00000004	/* Protection ID Validation Enable */
+#define PSW_D   0x00000002	/* Data Address Translation Enable */
+#define PSW_I   0x00000001	/* External, Power Failure, Low-Priority */
+				/* Machine Check Interruption Enable */
+#endif
+

-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/


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