bfd/

2012-11-14  Tristan Gingold  <gingold@adacore.com>

	* mach-o.c (bfd_mach_o_read_main)
	(bfd_mach_o_read_source_version): New functions.
	(bfd_mach_o_read_command): Handle BFD_MACH_O_LC_DATA_IN_CODE,
	BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS, BFD_MACH_O_LC_MAIN,
	BFD_MACH_O_LC_SOURCE_VERSION.
	* mach-o.h (bfd_mach_o_main_command)
	(bfd_mach_o_source_version_command): New types.
	(bfd_mach_o_load_command): Add fields for these new types.

binutils/
2012-11-14  Tristan Gingold  <gingold@adacore.com>

	* od-macho.c (bfd_mach_o_load_command_name): Add new definitions.
	(dump_load_command): Handle BFD_MACH_O_LC_SOURCE_VERSION
	and BFD_MACH_O_LC_MAIN.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 9eb4047..2f39d1c 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,16 @@
 2012-11-14  Tristan Gingold  <gingold@adacore.com>
 
+       * mach-o.c (bfd_mach_o_read_main)
+       (bfd_mach_o_read_source_version): New functions.
+       (bfd_mach_o_read_command): Handle BFD_MACH_O_LC_DATA_IN_CODE,
+       BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS, BFD_MACH_O_LC_MAIN,
+       BFD_MACH_O_LC_SOURCE_VERSION.
+       * mach-o.h (bfd_mach_o_main_command)
+       (bfd_mach_o_source_version_command): New types.
+       (bfd_mach_o_load_command): Add fields for these new types.
+
+2012-11-14  Tristan Gingold  <gingold@adacore.com>
+
        * mach-o.c (bfd_mach_o_canonicalize_one_reloc): Add a special
        handling for non-scattered pairs.  Update comments.
 

diff --git a/bfd/mach-o.c b/bfd/mach-o.c
index 29ebba4..e44cf6d 100644 (file)
--- a/bfd/mach-o.c
+++ b/bfd/mach-o.c
@@ -3666,6 +3666,48 @@ bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command)
   return TRUE;
 }
 
+static bfd_boolean
+bfd_mach_o_read_main (bfd *abfd, bfd_mach_o_load_command *command)
+{
+  bfd_mach_o_main_command *cmd = &command->command.main;
+  struct mach_o_entry_point_command_external raw;
+
+  if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
+      || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
+    return FALSE;
+
+  cmd->entryoff = bfd_get_64 (abfd, raw.entryoff);
+  cmd->stacksize = bfd_get_64 (abfd, raw.stacksize);
+  return TRUE;
+}
+
+static bfd_boolean
+bfd_mach_o_read_source_version (bfd *abfd, bfd_mach_o_load_command *command)
+{
+  bfd_mach_o_source_version_command *cmd = &command->command.source_version;
+  struct mach_o_source_version_command_external raw;
+  bfd_uint64_t ver;
+
+  if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
+      || bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
+    return FALSE;
+
+  ver = bfd_get_64 (abfd, raw.version);
+  /* Note: we use a serie of shift to avoid shift > 32 (for which gcc
+     generates warnings) in case of the host doesn't support 64 bit
+     integers.  */
+  cmd->e = ver & 0x3ff;
+  ver >>= 10;
+  cmd->d = ver & 0x3ff;
+  ver >>= 10;
+  cmd->c = ver & 0x3ff;
+  ver >>= 10;
+  cmd->b = ver & 0x3ff;
+  ver >>= 10;
+  cmd->a = ver & 0xffffff;
+  return TRUE;
+}
+
 static int
 bfd_mach_o_read_segment (bfd *abfd,
                          bfd_mach_o_load_command *command,
@@ -3842,6 +3884,8 @@ bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
     case BFD_MACH_O_LC_CODE_SIGNATURE:
     case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
     case BFD_MACH_O_LC_FUNCTION_STARTS:
+    case BFD_MACH_O_LC_DATA_IN_CODE:
+    case BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS:
       if (bfd_mach_o_read_linkedit (abfd, command) != 0)
        return -1;
       break;
@@ -3858,6 +3902,14 @@ bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
       if (!bfd_mach_o_read_version_min (abfd, command))
        return -1;
       break;
+    case BFD_MACH_O_LC_MAIN:
+      if (!bfd_mach_o_read_main (abfd, command))
+       return -1;
+      break;
+    case BFD_MACH_O_LC_SOURCE_VERSION:
+      if (!bfd_mach_o_read_source_version (abfd, command))
+       return -1;
+      break;
     default:
       (*_bfd_error_handler)(_("%B: unknown load command 0x%lx"),
          abfd, (unsigned long) command->type);

diff --git a/bfd/mach-o.h b/bfd/mach-o.h
index f228df0..1db8674 100644 (file)
--- a/bfd/mach-o.h
+++ b/bfd/mach-o.h
@@ -467,7 +467,7 @@ bfd_mach_o_fvmlib_command;
 typedef struct bfd_mach_o_dyld_info_command
 {
   /* File offset and size to rebase info.  */
-  unsigned int rebase_off; 
+  unsigned int rebase_off;
   unsigned int rebase_size;
 
   /* File offset and size of binding info.  */
@@ -505,6 +505,23 @@ typedef struct bfd_mach_o_encryption_info_command
 }
 bfd_mach_o_encryption_info_command;
 
+typedef struct bfd_mach_o_main_command
+{
+  bfd_uint64_t entryoff;
+  bfd_uint64_t stacksize;
+}
+bfd_mach_o_main_command;
+
+typedef struct bfd_mach_o_source_version_command
+{
+  unsigned int a;
+  unsigned short b;
+  unsigned short c;
+  unsigned short d;
+  unsigned short e;
+}
+bfd_mach_o_source_version_command;
+
 typedef struct bfd_mach_o_load_command
 {
   bfd_mach_o_load_command_type type;
@@ -527,6 +544,8 @@ typedef struct bfd_mach_o_load_command
     bfd_mach_o_version_min_command version_min;
     bfd_mach_o_encryption_info_command encryption_info;
     bfd_mach_o_fvmlib_command fvmlib;
+    bfd_mach_o_main_command main;
+    bfd_mach_o_source_version_command source_version;
   }
   command;
 }

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index c70e4b3..23f8409 100644 (file)
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-14  Tristan Gingold  <gingold@adacore.com>
+
+       * od-macho.c (bfd_mach_o_load_command_name): Add new definitions.
+       (dump_load_command): Handle BFD_MACH_O_LC_SOURCE_VERSION
+       and BFD_MACH_O_LC_MAIN.
+
 2012-11-13  Maciej W. Rozycki  <macro@codesourcery.com>
 
        * readelf.c (get_machine_flags) <EM_MIPS, EM_MIPS_RS3_LE>: Move

diff --git a/binutils/od-macho.c b/binutils/od-macho.c
index ca1dba7..e62f137 100644 (file)
--- a/binutils/od-macho.c
+++ b/binutils/od-macho.c
@@ -182,6 +182,10 @@ static const bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
   { "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
   { "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
   { "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
+  { "main", BFD_MACH_O_LC_MAIN},
+  { "data_in_code", BFD_MACH_O_LC_DATA_IN_CODE},
+  { "source_version", BFD_MACH_O_LC_SOURCE_VERSION},
+  { "dylib_code_sign_drs", BFD_MACH_O_LC_DYLIB_CODE_SIGN_DRS},
   { NULL, 0}
 };
 
@@ -1036,6 +1040,27 @@ dump_load_command (bfd *abfd, bfd_mach_o_load_command *cmd,
         printf (" %u.%u.%u\n", ver->rel, ver->maj, ver->min);
       }
       break;
+    case BFD_MACH_O_LC_SOURCE_VERSION:
+      {
+        bfd_mach_o_source_version_command *version =
+         &cmd->command.source_version;
+        printf ("\n"
+                "   version a.b.c.d.e: %u.%u.%u.%u.%u\n",
+               version->a, version->b, version->c, version->d, version->e);
+        break;
+      }
+    case BFD_MACH_O_LC_MAIN:
+      {
+        bfd_mach_o_main_command *entry = &cmd->command.main;
+        printf ("\n"
+                "   entry offset: ");
+       printf_vma (entry->entryoff);
+        printf ("\n"
+                "   stack size:   ");
+       printf_vma (entry->stacksize);
+       printf ("\n");
+        break;
+      }
     default:
       putchar ('\n');
       printf ("  offset: 0x%08lx\n", (unsigned long)cmd->offset);