2009-06-19 Tristan Gingold <gingold@adacore.com>

	* machoread.c (macho_symtab_read): Adjust for bfd changes.
	* darwin-nat.h (struct darwin_exception_msg): New type to describe
	a mach exception.
	(struct private_thread_info): New type to describe the state of the
	thread.
	(DEF_VEC_I thread_t): Removed, replaced by ...
	(DEF_VEC_O darwin_thread_t): ... this new type.
	(struct darwin_inferior): Renamed to ...
	(struct private_inferior): ... this type.  Fields added.
	(darwin_not_port): Moved into the private inferior structure.
	* darwin-nat.c: Add includes, improve comments.
	Rewrite to handle multiple threads and processes.
	(darwin_resume_to): New function and protype.
	(darwin_resume, darwin_wait_to, darwin_wait): Ditto.
	(darwin_kill_inferior): Add ops argument.
	(darwin_pid_to_str): New function.
	(darwin_thread_alive): Ditto.
	(darwin_inf, darwin_not_port): Removed.
	(darwin_inf_fake_stop): New variable.
	(msgin, msgout, msg_state, exc_msg): Removed.
	(mach_check_error): Use warning instead of error.
	(darwin_ptrace): Adjust debug level.
	(cmp_thread_t): Fix names (typo).
	(darwin_check_new_threads): Argument is now an inferior,
	adjust for new structures, add no change check, ignore dead ports,
	handle first thread case.
	(find_inferior_task_it): New function.
	(find_inferior_notify_it): Ditto.
	(darwin_find_inferior_by_task): Ditto.
	(darwin_find_inferior_by_notify): Ditto.
	(darwin_find_thread): Ditto.
	(darwin_suspend_inferior): Ditto.
	(darwin_resume_inferior): Ditto.
	(catch_exception_raise_state): Removed.
	(catch_exception_raise_state_identity): Removed.
	(darwin_suspend_inferior_it): New function.
	(darwin_resume_inferior_it): Ditto.
	(darwin_dump_message): New function, extracted from darwin_wait.
	(darwin_decode_exception_message): New function.
	(darwin_encode_reply): New function.
	(catch_exception_raise): Removed.
	(darwin_send_reply): New function, extracted from darwin_resume.
	(darwin_resume_thread): New function, extracted from darwin_resume.
	(struct resume_inferior_threads_param): New type.
	(darwin_resume_inferior_threads_it): New function.
	(darwin_resume_inferior_threads): New function.
	(darwin_suspend_inferior_threads): New function.
	(darwin_resume): Mostly rewritten to handle multiple threads and
	some corner cases.
	(darwin_decode_message): New function extracted from darwin_wait.
	(cancel_breakpoint): New function.
	(darwin_wait): Mostly rewritten.  Handle multiple threads.
	(darwin_mourn_inferior): Adjust for per process structures.
	(darwin_reply_to_all_pending_messages): New function.
	(darwin_stop_inferior): Adjust for per inferior structures.
	(darwin_attach_pid): Ditto.
	(darwin_init_thread_list): Ditto.
	(darwin_attach): Ditto.
	(darwin_detach): Ditto.
	(darwin_files_info): Now empty.
	(darwin_pid_to_str): Adjust returns string to match one expected by
	the testsuite.
	(darwin_read_write_inferior): Rename err variable to match other uses.
	Adjust debug message.  Handle submaps.
	(darwin_xfer_memory): Adjust for per inferior structures.
	(set_enable_mach_exceptions): Ditto.
	(darwin_pid_to_exec_file): New function.
	(darwin_get_ada_task_ptid): Ditto.
	(darwin_supports_multi_process): Ditto.
	(_initialize_darwin_inferior): Remove useless assertion, adjust for
	per inferior structures.  Add new target operations.

1 files changed, 4 insertions, 4 deletions

diff --git a/gdb/machoread.c b/gdb/machoread.c
index 78daa75..5f9a0fe 100644
--- a/gdb/machoread.c
+++ b/gdb/machoread.c
@@ -103,7 +103,6 @@ macho_symtab_read (struct objfile *objfile,
 {
   struct gdbarch *gdbarch = get_objfile_arch (objfile);
   long storage_needed;
-  asymbol *sym;
   long i, j;
   CORE_ADDR offset;
   enum minimal_symbol_type ms_type;
@@ -114,15 +113,16 @@ macho_symtab_read (struct objfile *objfile,
 
   for (i = 0; i < number_of_symbols; i++)
     {
-      sym = symbol_table[i];
+      asymbol *sym = symbol_table[i];
+      bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym;
+
       offset = ANOFFSET (objfile->section_offsets, sym->section->index);
 
       if (sym->flags & BSF_DEBUGGING)
 	{
-	  unsigned char type = BFD_MACH_O_SYM_NTYPE(sym);
 	  bfd_vma addr;
 
-	  switch (type)
+	  switch (mach_o_sym->n_type)
 	    {
 	    case N_SO:
 	      if ((sym->name == NULL || sym->name[0] == 0)