2008-09-05 Tristan Gingold <gingold@adacore.com>

	Add MacOSX 64 bits support.
	* mach-o.h (bfd_mach_o_ppc_thread_flavour): Add
	BFD_MACH_O_PPC_THREAD_STATE_64.
	(bfd_mach_o_i386_thread_flavour): Add BFD_MACH_O_x86_THREAD_STATE64,
	BFD_MACH_O_x86_FLOAT_STATE64, BFD_MACH_O_x86_EXCEPTION_STATE64,
	BFD_MACH_O_x86_THREAD_STATE, BFD_MACH_O_x86_FLOAT_STATE,
	BFD_MACH_O_x86_EXCEPTION_STATE.
	(bfd_mach_o_load_command_type): Add
	BFD_MACH_O_LC_SEGMENT_64, BFD_MACH_O_LC_ROUTINES_64,
	BFD_MACH_O_LC_UUID.
	(BFD_MACH_O_CPU_IS64BIT): Added.
	(bfd_mach_o_cpu_type): Add BFD_MACH_O_CPU_TYPE_POWERPC_64,
	BFD_MACH_O_CPU_TYPE_X86_64.
	(bfd_mach_o_header): Add version field.
	(bfd_mach_o_section) Add reserved3 field.
	(bfd_mach_o_segment_command): Add initprot and maxprot fields.

	* mach-o.c (N_TEXT, N_DATA, N_BSS): Added.
	(bfd_mach_o_version): New function.
	(bfd_mach_o_valid): Handle 64bits cpus.
	(bfd_mach_o_write_header): handler 64bits headers.
	(bfd_mach_o_scan_write_section_32, bfd_mach_o_scan_write_section_64):
	New functions (from bfd_mach_o_scan_write_section) to handle both
	flavors.
	(bfd_mach_o_scan_write_segment): Parameter wide added to support
	both flavors.
	(bfd_mach_o_write_contents): Support both flavors.
	(bfd_mach_o_read_header): Ditto.
	(bfd_mach_o_scan_read_section_32, bfd_mach_o_scan_read_section_64):
	New functions (from bfd_mach_o_scan_read_section) to support both
	flavors.
	(bfd_mach_o_scan_read_symtab_symbol): Support both flavors.
	(bfd_mach_o_scan_read_symtab): Ditto.
	(bfd_mach_o_scan_read_segment): Parameter wide added to support
	both flavors.
	(bfd_mach_o_scan_read_segment_32, bfd_mach_o_scan_read_segment_64):
	New functions to call bfd_mach_o_scan_read_segment.
	(bfd_mach_o_flatten_sections): Support both flavors.
	(bfd_mach_o_scan_start_address): Ditto.
	(bfd_mach_o_scan): Ditto.
	(bfd_mach_o_lookup_section): Ditto.

1 files changed, 27 insertions, 5 deletions

diff --git a/bfd/mach-o.h b/bfd/mach-o.h
index a5045396aa0..d73f205e6de 100644
--- a/bfd/mach-o.h
+++ b/bfd/mach-o.h
@@ -1,5 +1,5 @@
 /* Mach-O support for BFD.
-   Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007
+   Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -39,7 +39,8 @@ typedef enum bfd_mach_o_ppc_thread_flavour
   BFD_MACH_O_PPC_THREAD_STATE = 1,
   BFD_MACH_O_PPC_FLOAT_STATE = 2,
   BFD_MACH_O_PPC_EXCEPTION_STATE = 3,
-  BFD_MACH_O_PPC_VECTOR_STATE = 4
+  BFD_MACH_O_PPC_VECTOR_STATE = 4,
+  BFD_MACH_O_PPC_THREAD_STATE_64 = 5
 }
 bfd_mach_o_ppc_thread_flavour;
 
@@ -51,12 +52,18 @@ typedef enum bfd_mach_o_i386_thread_flavour
   BFD_MACH_O_i386_V86_ASSIST_STATE = 4,
   BFD_MACH_O_i386_REGS_SEGS_STATE = 5,
   BFD_MACH_O_i386_THREAD_SYSCALL_STATE = 6,
-  BFD_MACH_O_i386_THREAD_STATE_NONE = 7,
   BFD_MACH_O_i386_SAVED_STATE = 8,
   BFD_MACH_O_i386_THREAD_STATE = -1,
   BFD_MACH_O_i386_THREAD_FPSTATE = -2,
   BFD_MACH_O_i386_THREAD_EXCEPTSTATE = -3,
   BFD_MACH_O_i386_THREAD_CTHREADSTATE = -4,
+  BFD_MACH_O_x86_THREAD_STATE64 = 4,
+  BFD_MACH_O_x86_FLOAT_STATE64 = 5,
+  BFD_MACH_O_x86_EXCEPTION_STATE64 = 6,
+  BFD_MACH_O_x86_THREAD_STATE = 7,
+  BFD_MACH_O_x86_FLOAT_STATE = 8,
+  BFD_MACH_O_x86_EXCEPTION_STATE = 9,
+  BFD_MACH_O_i386_THREAD_STATE_NONE = 10,
 }
 bfd_mach_o_i386_thread_flavour;
 
@@ -89,10 +96,17 @@ typedef enum bfd_mach_o_load_command_type
   BFD_MACH_O_LC_PREBIND_CKSUM = 0x17, 	/* Prebind checksum.  */
   /* Load a dynamically linked shared library that is allowed to be
        missing (weak).  */
-  BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18
+  BFD_MACH_O_LC_LOAD_WEAK_DYLIB = 0x18,
+  BFD_MACH_O_LC_SEGMENT_64 = 0x19,	/* 64-bit segment of this file to be 
+                                           mapped.  */
+  BFD_MACH_O_LC_ROUTINES_64 = 0x1a,      /* Address of the dyld init routine 
+                                            in a dylib.  */
+  BFD_MACH_O_LC_UUID = 0x1b              /* 128-bit UUID of the executable.  */
 }
 bfd_mach_o_load_command_type;
 
+#define BFD_MACH_O_CPU_IS64BIT 0x1000000
+
 typedef enum bfd_mach_o_cpu_type
 {
   BFD_MACH_O_CPU_TYPE_VAX = 1,
@@ -106,7 +120,9 @@ typedef enum bfd_mach_o_cpu_type
   BFD_MACH_O_CPU_TYPE_SPARC = 14,
   BFD_MACH_O_CPU_TYPE_I860 = 15,
   BFD_MACH_O_CPU_TYPE_ALPHA = 16,
-  BFD_MACH_O_CPU_TYPE_POWERPC = 18
+  BFD_MACH_O_CPU_TYPE_POWERPC = 18,
+  BFD_MACH_O_CPU_TYPE_POWERPC_64 = (BFD_MACH_O_CPU_TYPE_POWERPC | BFD_MACH_O_CPU_IS64BIT),
+  BFD_MACH_O_CPU_TYPE_X86_64 = (BFD_MACH_O_CPU_TYPE_I386 | BFD_MACH_O_CPU_IS64BIT)
 }
 bfd_mach_o_cpu_type;
 
@@ -183,6 +199,9 @@ typedef struct bfd_mach_o_header
   unsigned long ncmds;
   unsigned long sizeofcmds;
   unsigned long flags;
+  unsigned int reserved;
+  /* Version 1: 32 bits, version 2: 64 bits.  */
+  unsigned int version;
   enum bfd_endian byteorder;
 }
 bfd_mach_o_header;
@@ -201,6 +220,7 @@ typedef struct bfd_mach_o_section
   unsigned long flags;
   unsigned long reserved1;
   unsigned long reserved2;
+  unsigned long reserved3;
 }
 bfd_mach_o_section;
 
@@ -211,6 +231,8 @@ typedef struct bfd_mach_o_segment_command
   bfd_vma vmsize;
   bfd_vma fileoff;
   unsigned long filesize;
+  unsigned long maxprot;
+  unsigned long initprot;
   unsigned long nsects;
   unsigned long flags;
   bfd_mach_o_section *sections;