1 files changed, 0 insertions, 495 deletions

diff --git a/recipes-devtools/gdb/files/0009-Patch-microblaze-Initial-support-for-native-gdb.patch b/recipes-devtools/gdb/files/0009-Patch-microblaze-Initial-support-for-native-gdb.patch
deleted file mode 100644
index 1ad6b89c..00000000
--- a/recipes-devtools/gdb/files/0009-Patch-microblaze-Initial-support-for-native-gdb.patch
+++ /dev/null
@@ -1,495 +0,0 @@
-From c7b918283f2e438deef78aae84f6b748a7a1bb54 Mon Sep 17 00:00:00 2001
-From: David Holsgrove <david.holsgrove@petalogix.com>
-Date: Fri, 20 Jul 2012 15:18:35 +1000
-Subject: [PATCH 09/16] [Patch, microblaze]: Initial support for native gdb
-
-microblaze: Follow PPC method of getting setting registers
-using PTRACE PEEK/POKE
-
-Signed-off-by: David Holsgrove <david.holsgrove@petalogix.com>
-Upstream-Status: Pending
----
- gdb/Makefile.in                |   4 +-
- gdb/config/microblaze/linux.mh |  10 +
- gdb/microblaze-linux-nat.c     | 431 +++++++++++++++++++++++++++++++++++++++++
- 3 files changed, 443 insertions(+), 2 deletions(-)
- create mode 100644 gdb/config/microblaze/linux.mh
- create mode 100644 gdb/microblaze-linux-nat.c
-
-diff --git a/gdb/Makefile.in b/gdb/Makefile.in
-index f2c16ec..12870a4 100644
---- a/gdb/Makefile.in
-+++ b/gdb/Makefile.in
-@@ -904,7 +904,7 @@ top.h bsd-kvm.h gdb-stabs.h reggroups.h \
- annotate.h sim-regno.h dictionary.h dfp.h main.h frame-unwind.h        \
- remote-fileio.h i386-linux-tdep.h vax-tdep.h objc-lang.h \
- sentinel-frame.h bcache.h symfile.h windows-tdep.h linux-tdep.h \
--gdb_usleep.h jit.h xml-syscall.h microblaze-tdep.h \
-+gdb_usleep.h jit.h xml-syscall.h microblaze-tdep.h microblaze-linux-tdep.h \
- psymtab.h psympriv.h progspace.h bfin-tdep.h ia64-hpux-tdep.h \
- amd64-darwin-tdep.h charset-list.h \
- config/djgpp/langinfo.h config/djgpp/nl_types.h darwin-nat.h \
-@@ -1631,7 +1631,7 @@ ALLDEPFILES = \
-        m68kbsd-nat.c m68kbsd-tdep.c \
-        m68klinux-nat.c m68klinux-tdep.c \
-        m88k-tdep.c m88kbsd-nat.c \
--       microblaze-tdep.c microblaze-linux-tdep.c \
-+       microblaze-tdep.c microblaze-linux-nat.c microblaze-linux-tdep.c \
-        mingw-hdep.c \
-        mips-linux-nat.c mips-linux-tdep.c \
-        mips-irix-tdep.c \
-diff --git a/gdb/config/microblaze/linux.mh b/gdb/config/microblaze/linux.mh
-new file mode 100644
-index 0000000..547d103
---- /dev/null
-+++ b/gdb/config/microblaze/linux.mh
-@@ -0,0 +1,10 @@
-+# Host: Microblaze, running Linux
-+
-+NAT_FILE= config/nm-linux.h
-+NATDEPFILES= inf-ptrace.o fork-child.o \
-+       microblaze-linux-nat.o proc-service.o linux-thread-db.o \
-+       linux-nat.o linux-osdata.o linux-fork.o linux-procfs.o linux-ptrace.o \
-+       linux-waitpid.o
-+NAT_CDEPS = $(srcdir)/proc-service.list
-+
-+LOADLIBES = -ldl $(RDYNAMIC)
-diff --git a/gdb/microblaze-linux-nat.c b/gdb/microblaze-linux-nat.c
-new file mode 100644
-index 0000000..81f8346
---- /dev/null
-+++ b/gdb/microblaze-linux-nat.c
-@@ -0,0 +1,431 @@
-+/* Microblaze GNU/Linux native support.
-+
-+   Copyright (C) 1988-1989, 1991-1992, 1994, 1996, 2000-2012 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 3 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, see <http://www.gnu.org/licenses/>.  */
-+
-+#include "defs.h"
-+#include "arch-utils.h"
-+#include "dis-asm.h"
-+#include "frame.h"
-+#include "trad-frame.h"
-+#include "symtab.h"
-+#include "value.h"
-+#include "gdbcmd.h"
-+#include "breakpoint.h"
-+#include "inferior.h"
-+#include "regcache.h"
-+#include "target.h"
-+#include "frame.h"
-+#include "frame-base.h"
-+#include "frame-unwind.h"
-+#include "dwarf2-frame.h"
-+#include "osabi.h"
-+
-+#include "gdb_assert.h"
-+#include <string.h>
-+#include "target-descriptions.h"
-+#include "opcodes/microblaze-opcm.h"
-+#include "opcodes/microblaze-dis.h"
-+
-+#include "linux-nat.h"
-+#include "target-descriptions.h"
-+
-+#include <sys/user.h>
-+#include <sys/utsname.h>
-+#include <sys/procfs.h>
-+#include <sys/ptrace.h>
-+
-+/* Prototypes for supply_gregset etc. */
-+#include "gregset.h"
-+
-+#include "microblaze-tdep.h"
-+
-+#include <elf/common.h>
-+#include "auxv.h"
-+
-+/* Defines ps_err_e, struct ps_prochandle.  */
-+#include "gdb_proc_service.h"
-+
-+/* On GNU/Linux, threads are implemented as pseudo-processes, in which
-+   case we may be tracing more than one process at a time.  In that
-+   case, inferior_ptid will contain the main process ID and the
-+   individual thread (process) ID.  get_thread_id () is used to get
-+   the thread id if it's available, and the process id otherwise.  */
-+
-+int
-+get_thread_id (ptid_t ptid)
-+{
-+  int tid = ptid_get_lwp (ptid);
-+  if (0 == tid)
-+    tid = ptid_get_pid (ptid);
-+  return tid;
-+}
-+
-+#define GET_THREAD_ID(PTID)    get_thread_id (PTID)
-+
-+/* Non-zero if our kernel may support the PTRACE_GETREGS and
-+   PTRACE_SETREGS requests, for reading and writing the
-+   general-purpose registers.  Zero if we've tried one of
-+   them and gotten an error.  */
-+int have_ptrace_getsetregs = 1;
-+
-+static int
-+microblaze_register_u_addr (struct gdbarch *gdbarch, int regno)
-+{
-+  int u_addr = -1;
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  /* NOTE: cagney/2003-11-25: This is the word size used by the ptrace
-+     interface, and not the wordsize of the program's ABI.  */
-+  int wordsize = sizeof (long);
-+
-+  /* General purpose registers occupy 1 slot each in the buffer.  */
-+  if (regno >= MICROBLAZE_R0_REGNUM
-+      && regno <= MICROBLAZE_FSR_REGNUM)
-+    u_addr = (regno * wordsize);
-+
-+  return u_addr;
-+}
-+
-+
-+static void
-+fetch_register (struct regcache *regcache, int tid, int regno)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  /* This isn't really an address.  But ptrace thinks of it as one.  */
-+  CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno);
-+  int bytes_transferred;
-+  unsigned int offset;         /* Offset of registers within the u area.  */
-+  char buf[MAX_REGISTER_SIZE];
-+
-+  if (regaddr == -1)
-+  {
-+    memset (buf, '\0', register_size (gdbarch, regno));   /* Supply zeroes */
-+    regcache_raw_supply (regcache, regno, buf);
-+    return;
-+  }
-+
-+  /* Read the raw register using sizeof(long) sized chunks.  On a
-+     32-bit platform, 64-bit floating-point registers will require two
-+     transfers.  */
-+  for (bytes_transferred = 0;
-+       bytes_transferred < register_size (gdbarch, regno);
-+       bytes_transferred += sizeof (long))
-+  {
-+    long l;
-+
-+    errno = 0;
-+    l = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0);
-+    regaddr += sizeof (long);
-+    if (errno != 0)
-+    {
-+      char message[128];
-+      sprintf (message, "reading register %s (#%d)",
-+               gdbarch_register_name (gdbarch, regno), regno);
-+      perror_with_name (message);
-+    }
-+    memcpy (&buf[bytes_transferred], &l, sizeof (l));
-+  }
-+
-+  /* Now supply the register.  Keep in mind that the regcache's idea
-+     of the register's size may not be a multiple of sizeof
-+     (long).  */
-+  if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE)
-+  {
-+    /* Little-endian values are always found at the left end of the
-+       bytes transferred.  */
-+    regcache_raw_supply (regcache, regno, buf);
-+  }
-+  else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
-+  {
-+    /* Big-endian values are found at the right end of the bytes
-+       transferred.  */
-+    size_t padding = (bytes_transferred - register_size (gdbarch, regno));
-+    regcache_raw_supply (regcache, regno, buf + padding);
-+  }
-+  else
-+    internal_error (__FILE__, __LINE__,
-+                    _("fetch_register: unexpected byte order: %d"),
-+                    gdbarch_byte_order (gdbarch));
-+}
-+
-+/* This function actually issues the request to ptrace, telling
-+   it to get all general-purpose registers and put them into the
-+   specified regset.
-+
-+   If the ptrace request does not exist, this function returns 0
-+   and properly sets the have_ptrace_* flag.  If the request fails,
-+   this function calls perror_with_name.  Otherwise, if the request
-+   succeeds, then the regcache gets filled and 1 is returned.  */
-+static int
-+fetch_all_gp_regs (struct regcache *regcache, int tid)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  gdb_gregset_t gregset;
-+
-+  if (ptrace (PTRACE_GETREGS, tid, 0, (void *) &gregset) < 0)
-+  {
-+    if (errno == EIO)
-+    {
-+      have_ptrace_getsetregs = 0;
-+      return 0;
-+    }
-+    perror_with_name (_("Couldn't get general-purpose registers."));
-+  }
-+
-+  supply_gregset (regcache, (const gdb_gregset_t *) &gregset);
-+
-+  return 1;
-+}
-+
-+
-+/* This is a wrapper for the fetch_all_gp_regs function.  It is
-+   responsible for verifying if this target has the ptrace request
-+   that can be used to fetch all general-purpose registers at one
-+   shot.  If it doesn't, then we should fetch them using the
-+   old-fashioned way, which is to iterate over the registers and
-+   request them one by one.  */
-+static void
-+fetch_gp_regs (struct regcache *regcache, int tid)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  int i;
-+
-+  if (have_ptrace_getsetregs)
-+    if (fetch_all_gp_regs (regcache, tid))
-+      return;
-+
-+  /* If we've hit this point, it doesn't really matter which
-+     architecture we are using.  We just need to read the
-+     registers in the "old-fashioned way".  */
-+  for (i = MICROBLAZE_R0_REGNUM; i <= MICROBLAZE_FSR_REGNUM; i++)
-+    fetch_register (regcache, tid, i);
-+}
-+
-+
-+static void
-+store_register (const struct regcache *regcache, int tid, int regno)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  /* This isn't really an address.  But ptrace thinks of it as one.  */
-+  CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno);
-+  int i;
-+  size_t bytes_to_transfer;
-+  char buf[MAX_REGISTER_SIZE];
-+
-+  if (regaddr == -1)
-+    return;
-+
-+  /* First collect the register.  Keep in mind that the regcache's
-+     idea of the register's size may not be a multiple of sizeof
-+     (long).  */
-+  memset (buf, 0, sizeof buf);
-+  bytes_to_transfer = align_up (register_size (gdbarch, regno), sizeof (long));
-+  if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE)
-+  {
-+    /* Little-endian values always sit at the left end of the buffer.  */
-+    regcache_raw_collect (regcache, regno, buf);
-+  }
-+  else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG)
-+  {
-+    /* Big-endian values sit at the right end of the buffer.  */
-+    size_t padding = (bytes_to_transfer - register_size (gdbarch, regno));
-+    regcache_raw_collect (regcache, regno, buf + padding);
-+  }
-+
-+  for (i = 0; i < bytes_to_transfer; i += sizeof (long))
-+  {
-+    long l;
-+
-+    memcpy (&l, &buf[i], sizeof (l));
-+    errno = 0;
-+    ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, l);
-+    regaddr += sizeof (long);
-+
-+    if (errno != 0)
-+    {
-+      char message[128];
-+      sprintf (message, "writing register %s (#%d)",
-+               gdbarch_register_name (gdbarch, regno), regno);
-+      perror_with_name (message);
-+    }
-+  }
-+}
-+
-+/* This function actually issues the request to ptrace, telling
-+   it to store all general-purpose registers present in the specified
-+   regset.
-+
-+   If the ptrace request does not exist, this function returns 0
-+   and properly sets the have_ptrace_* flag.  If the request fails,
-+   this function calls perror_with_name.  Otherwise, if the request
-+   succeeds, then the regcache is stored and 1 is returned.  */
-+static int
-+store_all_gp_regs (const struct regcache *regcache, int tid, int regno)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  gdb_gregset_t gregset;
-+
-+  if (ptrace (PTRACE_GETREGS, tid, 0, (void *) &gregset) < 0)
-+    {
-+      if (errno == EIO)
-+      {
-+        have_ptrace_getsetregs = 0;
-+        return 0;
-+      }
-+      perror_with_name (_("Couldn't get general-purpose registers."));
-+    }
-+
-+  fill_gregset (regcache, &gregset, regno);
-+
-+  if (ptrace (PTRACE_SETREGS, tid, 0, (void *) &gregset) < 0)
-+    {
-+      if (errno == EIO)
-+      {
-+        have_ptrace_getsetregs = 0;
-+        return 0;
-+      }
-+      perror_with_name (_("Couldn't set general-purpose registers."));
-+    }
-+
-+  return 1;
-+}
-+
-+/* This is a wrapper for the store_all_gp_regs function.  It is
-+   responsible for verifying if this target has the ptrace request
-+   that can be used to store all general-purpose registers at one
-+   shot.  If it doesn't, then we should store them using the
-+   old-fashioned way, which is to iterate over the registers and
-+   store them one by one.  */
-+static void
-+store_gp_regs (const struct regcache *regcache, int tid, int regno)
-+{
-+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
-+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-+  int i;
-+
-+  if (have_ptrace_getsetregs)
-+    if (store_all_gp_regs (regcache, tid, regno))
-+      return;
-+
-+  /* If we hit this point, it doesn't really matter which
-+     architecture we are using.  We just need to store the
-+     registers in the "old-fashioned way".  */
-+  for (i = MICROBLAZE_R0_REGNUM; i <= MICROBLAZE_FSR_REGNUM; i++)
-+    store_register (regcache, tid, i);
-+}
-+
-+
-+/* Fetch registers from the child process.  Fetch all registers if
-+   regno == -1, otherwise fetch all general registers or all floating
-+   point registers depending upon the value of regno.  */
-+
-+static void
-+microblaze_linux_fetch_inferior_registers (struct target_ops *ops,
-+                                   struct regcache *regcache, int regno)
-+{
-+  /* Get the thread id for the ptrace call.  */
-+  int tid = GET_THREAD_ID (inferior_ptid);
-+
-+  if (regno == -1)
-+    fetch_gp_regs (regcache, tid);
-+  else
-+    fetch_register (regcache, tid, regno);
-+}
-+
-+/* Store registers back into the inferior.  Store all registers if
-+   regno == -1, otherwise store all general registers or all floating
-+   point registers depending upon the value of regno.  */
-+
-+static void
-+microblaze_linux_store_inferior_registers (struct target_ops *ops,
-+                                   struct regcache *regcache, int regno)
-+{
-+  /* Get the thread id for the ptrace call.  */
-+  int tid = GET_THREAD_ID (inferior_ptid);
-+
-+  if (regno >= 0)
-+    store_register (regcache, tid, regno);
-+  else
-+    store_gp_regs (regcache, tid, -1);
-+}
-+
-+/* Wrapper functions for the standard regset handling, used by
-+   thread debugging.  */
-+
-+void
-+fill_gregset (const struct regcache *regcache,
-+             gdb_gregset_t *gregsetp, int regno)
-+{
-+  microblaze_collect_gregset (NULL, regcache, regno, gregsetp);
-+}
-+
-+void
-+supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
-+{
-+  microblaze_supply_gregset (NULL, regcache, -1, gregsetp);
-+}
-+
-+void
-+fill_fpregset (const struct regcache *regcache,
-+             gdb_fpregset_t *fpregsetp, int regno)
-+{
-+  /* FIXME. */
-+}
-+
-+void
-+supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
-+{
-+  /* FIXME. */
-+}
-+
-+static const struct target_desc *
-+microblaze_linux_read_description (struct target_ops *ops)
-+{
-+  CORE_ADDR microblaze_hwcap = 0;
-+
-+  if (target_auxv_search (ops, AT_HWCAP, &microblaze_hwcap) != 1)
-+    return NULL;
-+
-+  return NULL;
-+}
-+
-+
-+void _initialize_microblaze_linux_nat (void);
-+
-+void
-+_initialize_microblaze_linux_nat (void)
-+{
-+  struct target_ops *t;
-+
-+  /* Fill in the generic GNU/Linux methods.  */
-+  t = linux_target ();
-+
-+  /* Add our register access methods.  */
-+  t->to_fetch_registers = microblaze_linux_fetch_inferior_registers;
-+  t->to_store_registers = microblaze_linux_store_inferior_registers;
-+
-+  t->to_read_description = microblaze_linux_read_description;
-+
-+  /* Register the target.  */
-+  linux_nat_add_target (t);
-+}
--- 
-1.9.0