bfd/

2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* mach-o-i386.c (text_section_names_xlat): New table.
	(data_section_names_xlat): Likewise.
	(import_section_names_xlat): Likewise.
	(mach_o_i386_segsec_names_xlat): Likewise.
	(bfd_mach_o_tgt_seg_table): Use new tables.
	* mach-o-x86-64.c (bfd_mach_o_tgt_seg_table): Set NULL.
	* mach-o.c (mach_o_section_name_xlat, mach_o_segment_name_xlat):
	Move to mach-o.h as   typedefs.
	(text_section_names_xlat): Update for current GCC usage.
	(data_section_names_xlat): Likewise.
	(dwarf_section_names_xlat): Likewise.
	(objc_section_names_xlat): New table.
	(segsec_names_xlat): Add objc table.
	(bfd_mach_o_normalize_section_name):  Replace with...
	(bfd_mach_o_section_data_for_mach_sect): New.
	(bfd_mach_o_section_data_for_bfd_name): New.
	(bfd_mach_o_section_data_for_bfd_name): Update to use additional data.
	(bfd_mach_o_convert_section_name_to_mach_o): Likewise.
	(bfd_mach_o_bfd_copy_private_section_data): Implement.
	(bfd_mach_o_write_symtab): Write a zero-length string as the first entry
	for compatibility with system tools.
	(bfd_mach_o_build_commands): Update section alignment info.
	(bfd_mach_o_new_section_hook): Use translation table data to define
	default section flags, type, attributes and alignment, when available.
	(bfd_mach_o_init_section_from_mach_o): Add TODO comment.
	(bfd_mach_o_section_type_name): Add 'symbol_stubs'.
	(bfd_mach_o_section_attribute_name): Add 'self_modifying_code'.
	(bfd_mach_o_get_section_type_from_name): Change "not-found" return
	value.
	(bfd_mach_o_tgt_seg_table): Set default NULL.
	* mach-o.h (bfd_mach_o_segment_command):  Use define for name length.
	(bfd_mach_o_backend_data): Move until after contents are defined.
	(bfd_mach_o_normalize_section_name): Remove.
	(bfd_mach_o_convert_section_name_to_bfd): Declare.
	(mach_o_section_name_xlat): Declare.
	(mach_o_segment_name_xlat): Declare.
	(bfd_mach_o_section_data_for_mach_sect): Declare.
	(bfd_mach_o_section_data_for_bfd_name): Declare.

include/
2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* mach-o/loader.h (bfd_mach_o_section_type): define
	BFD_MACH_O_S_ATTR_NONE to 0.


gas/
2011-12-14  Iain Sandoe  <iains@gcc.gnu.org>

	* config/obj-macho.c: Add some more top-level comments.
	(collect_16char_name): New.
	(obj_mach_o_section): Amend to allow syntax compatible with existing system
	tools.  Use section translation data when available.
	(obj_mach_o_segT_from_bfd_name): New.
	(known_sections): Update.
	(obj_mach_o_known_section): Use obj_mach_o_segT_from_bfd_name.
	(objc_sections): New.
	(obj_mach_o_objc_section): New.
	(debug_sections): New.
	(obj_mach_o_debug_section): New.
	(tgt_sections): New.
	(obj_mach_o_opt_tgt_section): New.
	(obj_mach_o_base_section): New.
	(obj_mach_o_common_parse): Update to create BSS on demand and to handle
	lcomm optional alignment param.
	(obj_mach_o_comm): Update parameter name.
	(obj_mach_o_placeholder): New.
	(mach_o_pseudo_table): Update for GCC section directives.
	* config/obj-macho.h (_OBJ_MACH_O_H): New.
	(USE_ALIGN_PTWO): Define.
	(S_SET_ALIGN) Define.

1 files changed, 55 insertions, 0 deletions

diff --git a/bfd/mach-o-i386.c b/bfd/mach-o-i386.c
index 11915604b3..c5e38843d3 100644
--- a/bfd/mach-o-i386.c
+++ b/bfd/mach-o-i386.c
@@ -280,10 +280,65 @@ bfd_mach_o_i386_print_thread (bfd *abfd, bfd_mach_o_thread_flavour *thread,
   return FALSE;
 }
 
+static const mach_o_section_name_xlat text_section_names_xlat[] =
+  {
+    {	".symbol_stub",			"__symbol_stub",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_SYMBOL_STUBS,
+	BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS,
+					0},
+    {	".picsymbol_stub",		"__picsymbol_stub",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_SYMBOL_STUBS,
+	BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS,
+					0},
+    { NULL, NULL, 0, 0, 0, 0}
+  };
+
+static const mach_o_section_name_xlat data_section_names_xlat[] =
+  {
+    /* The first two are recognized by i386, but not emitted for x86 by
+       modern GCC.  */
+    {	".non_lazy_symbol_pointer",	"__nl_symbol_ptr",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS,
+	BFD_MACH_O_S_ATTR_NONE,		2},
+    {	".lazy_symbol_pointer",		"__la_symbol_ptr",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_LAZY_SYMBOL_POINTERS,
+	BFD_MACH_O_S_ATTR_NONE,		2},
+    {	".lazy_symbol_pointer2",	"__la_sym_ptr2",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_LAZY_SYMBOL_POINTERS,
+	BFD_MACH_O_S_ATTR_NONE,		2},
+    {	".lazy_symbol_pointer3",	"__la_sym_ptr3",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_LAZY_SYMBOL_POINTERS,
+	BFD_MACH_O_S_ATTR_NONE,		2},
+    { NULL, NULL, 0, 0, 0, 0}
+  };
+
+static const mach_o_section_name_xlat import_section_names_xlat[] =
+  {
+    {	".picsymbol_stub3",		"__jump_table",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_SYMBOL_STUBS,
+	BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS 
+	| BFD_MACH_O_S_SELF_MODIFYING_CODE,
+					6},
+    {	".non_lazy_symbol_pointer_x86",	"__pointers",
+	SEC_DATA | SEC_LOAD,		BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS,
+	BFD_MACH_O_S_ATTR_NONE,		2},
+    { NULL, NULL, 0, 0, 0, 0}
+  };
+
+const mach_o_segment_name_xlat mach_o_i386_segsec_names_xlat[] =
+  {
+    { "__TEXT", text_section_names_xlat },
+    { "__DATA", data_section_names_xlat },
+    { "__IMPORT", import_section_names_xlat },
+    { NULL, NULL }
+  };
+
 #define bfd_mach_o_swap_reloc_in bfd_mach_o_i386_swap_reloc_in
 #define bfd_mach_o_swap_reloc_out bfd_mach_o_i386_swap_reloc_out
 #define bfd_mach_o_print_thread bfd_mach_o_i386_print_thread
 
+#define bfd_mach_o_tgt_seg_table mach_o_i386_segsec_names_xlat
+
 #define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_i386_bfd_reloc_type_lookup 
 #define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_i386_bfd_reloc_name_lookup