Upgrade binutils and gold.

upgrade binutils-2.19 to binutils-2.20.1
upgrade gold to a relatively new version binutils-20100303

Before, both binutils and gold were built from binutils-2.19.
Now binutils will be built from binutils-2.20.1 and gold will
be built from binutils-20100303.

Change-Id: Ibd0130756723337d2b4783d5b1d5e5b02a1adc83

1 files changed, 422 insertions, 0 deletions

diff --git a/binutils-20100303/bfd/cisco-core.c b/binutils-20100303/bfd/cisco-core.c
new file mode 100644
index 00000000..9169ed51
--- /dev/null
+++ b/binutils-20100303/bfd/cisco-core.c
@@ -0,0 +1,422 @@
+/* BFD back-end for CISCO crash dumps.
+   Copyright 1994, 1997, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+/* core_file_failing_signal returns a host signal (this probably should
+   be fixed).  */
+#include <signal.h>
+
+/* for MSVC builds */
+#ifndef SIGTRAP
+# define SIGTRAP 5
+#endif
+#ifndef SIGEMT
+# define SIGEMT 6
+#endif
+#ifndef SIGBUS
+# define SIGBUS 10
+#endif
+
+int crash_info_locs[] = {
+  0x0250,	/* mips, ppc, x86, i960 */
+  0x0400,	/* m68k, mips, x86, i960 */
+  0x0FFC,	/* m68k, mips, ppc, x86, i960 */
+  0x3000,	/* ppc */
+  0x4FFC,	/* m68k */
+  -1
+};
+
+#define CRASH_MAGIC	0xdead1234
+#define MASK_ADDR(x)	((x) & 0x0fffffff)	/* Mask crash info address */
+
+typedef enum {
+    CRASH_REASON_NOTCRASHED = 0,
+    CRASH_REASON_EXCEPTION = 1,
+    CRASH_REASON_CORRUPT = 2,
+} crashreason;
+
+typedef struct {
+  char magic[4];		/* Magic number */
+  char version[4];		/* Version number */
+  char reason[4];		/* Crash reason */
+  char cpu_vector[4];		/* CPU vector for exceptions */
+  char registers[4];		/* Pointer to saved registers */
+  char rambase[4];		/* Base of RAM (not in V1 crash info) */
+  char textbase[4];		/* Base of .text section (not in V3 crash info) */
+  char database[4];		/* Base of .data section (not in V3 crash info) */
+  char bssbase[4];		/* Base of .bss section (not in V3 crash info) */
+} crashinfo_external;
+
+struct cisco_core_struct
+{
+  int sig;
+};
+
+static const bfd_target *cisco_core_file_validate PARAMS ((bfd *, int));
+static const bfd_target *cisco_core_file_p PARAMS ((bfd *));
+char *cisco_core_file_failing_command PARAMS ((bfd *));
+int cisco_core_file_failing_signal PARAMS ((bfd *));
+#define cisco_core_file_matches_executable_p generic_core_file_matches_executable_p
+
+/* Examine the file for a crash info struct at the offset given by
+   CRASH_INFO_LOC.  */
+
+static const bfd_target *
+cisco_core_file_validate (abfd, crash_info_loc)
+     bfd *abfd;
+     int crash_info_loc;
+{
+  char buf[4];
+  unsigned int crashinfo_offset;
+  crashinfo_external crashinfo;
+  bfd_size_type nread;
+  unsigned int magic;
+  unsigned int version;
+  unsigned int rambase;
+  sec_ptr asect;
+  struct stat statbuf;
+  bfd_size_type amt;
+  flagword flags;
+
+  if (bfd_seek (abfd, (file_ptr) crash_info_loc, SEEK_SET) != 0)
+    return NULL;
+
+  nread = bfd_bread (buf, (bfd_size_type) 4, abfd);
+  if (nread != 4)
+    {
+      if (bfd_get_error () != bfd_error_system_call)
+	bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+  crashinfo_offset = MASK_ADDR (bfd_get_32 (abfd, buf));
+
+  if (bfd_seek (abfd, (file_ptr) crashinfo_offset, SEEK_SET) != 0)
+    {
+      /* Most likely we failed because of a bogus (huge) offset */
+      bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  nread = bfd_bread (&crashinfo, (bfd_size_type) sizeof (crashinfo), abfd);
+  if (nread != sizeof (crashinfo))
+    {
+      if (bfd_get_error () != bfd_error_system_call)
+	bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  if (bfd_stat (abfd, &statbuf) < 0)
+    {
+      bfd_set_error (bfd_error_system_call);
+      return NULL;
+    }
+
+  magic = bfd_get_32 (abfd, crashinfo.magic);
+  if (magic != CRASH_MAGIC)
+    {
+      bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+
+  version = bfd_get_32 (abfd, crashinfo.version);
+  if (version == 0)
+    {
+      bfd_set_error (bfd_error_wrong_format);
+      return NULL;
+    }
+  else if (version == 1)
+    {
+      /* V1 core dumps don't specify the dump base, assume 0 */
+      rambase = 0;
+    }
+  else
+    {
+      rambase = bfd_get_32 (abfd, crashinfo.rambase);
+    }
+
+  /* OK, we believe you.  You're a core file.  */
+
+  amt = sizeof (struct cisco_core_struct);
+  abfd->tdata.cisco_core_data = (struct cisco_core_struct *) bfd_zmalloc (amt);
+  if (abfd->tdata.cisco_core_data == NULL)
+    return NULL;
+
+  switch ((crashreason) bfd_get_32 (abfd, crashinfo.reason))
+    {
+    case CRASH_REASON_NOTCRASHED:
+      /* Crash file probably came from write core.  */
+      abfd->tdata.cisco_core_data->sig = 0;
+      break;
+    case CRASH_REASON_CORRUPT:
+      /* The crash context area was corrupt -- proceed with caution.
+	 We have no way of passing this information back to the caller.  */
+      abfd->tdata.cisco_core_data->sig = 0;
+      break;
+    case CRASH_REASON_EXCEPTION:
+      /* Crash occured due to CPU exception.  */
+
+      /* This is 68k-specific; for MIPS we'll need to interpret
+	 cpu_vector differently based on the target configuration
+	 (since CISCO core files don't seem to have the processor
+	 encoded in them).  */
+
+      switch (bfd_get_32 (abfd, crashinfo.cpu_vector))
+	{
+	   /* bus error           */
+	case 2 : abfd->tdata.cisco_core_data->sig = SIGBUS; break;
+	   /* address error       */
+	case 3 : abfd->tdata.cisco_core_data->sig = SIGBUS; break;
+	   /* illegal instruction */
+	case 4 : abfd->tdata.cisco_core_data->sig = SIGILL;  break;
+	   /* zero divide         */
+	case 5 : abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	   /* chk instruction     */
+	case 6 : abfd->tdata.cisco_core_data->sig = SIGFPE; break;
+	   /* trapv instruction   */
+	case 7 : abfd->tdata.cisco_core_data->sig = SIGFPE; break;
+	   /* privilege violation */
+	case 8 : abfd->tdata.cisco_core_data->sig = SIGSEGV; break;
+	   /* trace trap          */
+	case 9 : abfd->tdata.cisco_core_data->sig = SIGTRAP;  break;
+	   /* line 1010 emulator  */
+	case 10: abfd->tdata.cisco_core_data->sig = SIGILL;  break;
+	   /* line 1111 emulator  */
+	case 11: abfd->tdata.cisco_core_data->sig = SIGILL;  break;
+
+	  /* Coprocessor protocol violation.  Using a standard MMU or FPU
+	     this cannot be triggered by software.  Call it a SIGBUS.  */
+	case 13: abfd->tdata.cisco_core_data->sig = SIGBUS;  break;
+
+	  /* interrupt           */
+	case 31: abfd->tdata.cisco_core_data->sig = SIGINT;  break;
+	  /* breakpoint          */
+	case 33: abfd->tdata.cisco_core_data->sig = SIGTRAP;  break;
+
+	  /* floating point err  */
+	case 48: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	  /* floating point err  */
+	case 49: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	  /* zero divide         */
+	case 50: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	  /* underflow           */
+	case 51: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	  /* operand error       */
+	case 52: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	   /* overflow            */
+	case 53: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	  /* NAN                 */
+	case 54: abfd->tdata.cisco_core_data->sig = SIGFPE;  break;
+	default:
+#ifndef SIGEMT
+#define SIGEMT SIGTRAP
+#endif
+	  /* "software generated"*/
+	  abfd->tdata.cisco_core_data->sig = SIGEMT;
+	}
+      break;
+    default:
+      /* Unknown crash reason.  */
+      abfd->tdata.cisco_core_data->sig = 0;
+      break;
+    }
+
+  /* Create a ".data" section that maps the entire file, which is
+     essentially a dump of the target system's RAM.  */
+
+  flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+  asect = bfd_make_section_anyway_with_flags (abfd, ".data", flags);
+  if (asect == NULL)
+    goto error_return;
+  /* The size of memory is the size of the core file itself.  */
+  asect->size = statbuf.st_size;
+  asect->vma = rambase;
+  asect->filepos = 0;
+
+  /* Create a ".crash" section to allow access to the saved
+     crash information.  */
+
+  flags = SEC_HAS_CONTENTS;
+  asect = bfd_make_section_anyway_with_flags (abfd, ".crash", flags);
+  if (asect == NULL)
+    goto error_return;
+  asect->vma = 0;
+  asect->filepos = crashinfo_offset;
+  asect->size = sizeof (crashinfo);
+
+  /* Create a ".reg" section to allow access to the saved
+     registers.  */
+
+  asect = bfd_make_section_anyway_with_flags (abfd, ".reg", flags);
+  if (asect == NULL)
+    goto error_return;
+  asect->vma = 0;
+  asect->filepos = bfd_get_32 (abfd, crashinfo.registers) - rambase;
+  /* Since we don't know the exact size of the saved register info,
+     choose a register section size that is either the remaining part
+     of the file, or 1024, whichever is smaller.  */
+  nread = statbuf.st_size - asect->filepos;
+  asect->size = (nread < 1024) ? nread : 1024;
+
+  return abfd->xvec;
+
+  /* Get here if we have already started filling out the BFD
+     and there is an error of some kind.  */
+
+ error_return:
+  bfd_release (abfd, abfd->tdata.any);
+  abfd->tdata.any = NULL;
+  bfd_section_list_clear (abfd);
+  return NULL;
+}
+
+static const bfd_target *
+cisco_core_file_p (abfd)
+     bfd *abfd;
+{
+  int *crash_info_locp;
+  const bfd_target *target = NULL;
+
+  for (crash_info_locp = crash_info_locs;
+       *crash_info_locp != -1  &&  target == NULL;
+       crash_info_locp++)
+    {
+      target = cisco_core_file_validate (abfd, *crash_info_locp);
+    }
+  return (target);
+}
+
+char *
+cisco_core_file_failing_command (abfd)
+     bfd *abfd ATTRIBUTE_UNUSED;
+{
+  return NULL;
+}
+
+int
+cisco_core_file_failing_signal (abfd)
+     bfd *abfd ATTRIBUTE_UNUSED;
+{
+  return abfd->tdata.cisco_core_data->sig;
+}
+
+extern const bfd_target cisco_core_little_vec;
+
+const bfd_target cisco_core_big_vec =
+  {
+    "cisco-ios-core-big",
+    bfd_target_unknown_flavour,
+    BFD_ENDIAN_BIG,		/* target byte order */
+    BFD_ENDIAN_BIG,		/* target headers byte order */
+    (HAS_RELOC | EXEC_P |	/* object flags */
+     HAS_LINENO | HAS_DEBUG |
+     HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+    0,			                                   /* symbol prefix */
+    ' ',						   /* ar_pad_char */
+    16,							   /* ar_max_namelen */
+    bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+    bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+    bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+    bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+    bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+    bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+
+    {				/* bfd_check_format */
+     _bfd_dummy_target,		/* unknown format */
+     _bfd_dummy_target,		/* object file */
+     _bfd_dummy_target,		/* archive */
+     cisco_core_file_p	/* a core file */
+    },
+    {				/* bfd_set_format */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+    {				/* bfd_write_contents */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+
+       BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+       BFD_JUMP_TABLE_COPY (_bfd_generic),
+       BFD_JUMP_TABLE_CORE (cisco),
+       BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+       BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+       BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+       BFD_JUMP_TABLE_WRITE (_bfd_generic),
+       BFD_JUMP_TABLE_LINK (_bfd_nolink),
+       BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+    & cisco_core_little_vec,
+
+    (PTR) 0			/* backend_data */
+};
+
+const bfd_target cisco_core_little_vec =
+  {
+    "cisco-ios-core-little",
+    bfd_target_unknown_flavour,
+    BFD_ENDIAN_LITTLE,		/* target byte order */
+    BFD_ENDIAN_LITTLE,		/* target headers byte order */
+    (HAS_RELOC | EXEC_P |	/* object flags */
+     HAS_LINENO | HAS_DEBUG |
+     HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+    0,			                                   /* symbol prefix */
+    ' ',						   /* ar_pad_char */
+    16,							   /* ar_max_namelen */
+    bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+    bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+    bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+    bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+    bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+    bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+    {				/* bfd_check_format */
+     _bfd_dummy_target,		/* unknown format */
+     _bfd_dummy_target,		/* object file */
+     _bfd_dummy_target,		/* archive */
+     cisco_core_file_p	/* a core file */
+    },
+    {				/* bfd_set_format */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+    {				/* bfd_write_contents */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+
+       BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+       BFD_JUMP_TABLE_COPY (_bfd_generic),
+       BFD_JUMP_TABLE_CORE (cisco),
+       BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+       BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+       BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+       BFD_JUMP_TABLE_WRITE (_bfd_generic),
+       BFD_JUMP_TABLE_LINK (_bfd_nolink),
+       BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+    &cisco_core_big_vec,
+
+    (PTR) 0			/* backend_data */
+};