final.c (debug_flush_symbol_queue): New function.

        * final.c (debug_flush_symbol_queue): New function.
        (debug_queue_symbol): New function.
        (debug_free_queue): New function.
        (debug_nesting): New variable.
        (symbol_queue): New variable.
        (symbol_queue_index): Same.
        (symbol_queue_size): Same.
        * debug.h (debug_flush_symbol_queue): New.
        (debug_queue_symbol): New.
        (debug_free_queue): New.
        (debug_nesting): New.
        (symbol_queue_index): New.
        * dbxout.c (DBXOUT_DECR_NESTING): New macro.
        (DBXOUT_DECR_NESTING_AND_RETURN): New macro.
        (dbxout_init): Delay symbol output.
        (dbxout_global_decl): Save, set and reset TREE_USED bit around dbxout_symbol()
        call.
        (dbxout_begin_function): Same.
        (dbxout_finish): Free symbol queue.
        (dbxout_type): Put appropriate symbols in queue.
        (dbxout_symbol): Put info for symbol's type in queue. Decrement/Increment
        nesting counts flush symbol queue appropriately.
        (dbxout_parms): Increment dbxout nesting.
        (dbxout_reg_parms): Same.
        * flags.h (flag_debug_only_used_symbols): New.
        * toplev.c (flag_debug_only_used_symbols): New variable.
        (lang_independent_options): Add entries for new option -feliminate-unused-debug-symbols.
        * common.opt: Add entry for -feliminate-unused-debug-symbols.
        * opts.c (common_handle_options): Same.
        * config/rs6000/darwin.h (CC1_SPEC): Interpret -gused as -feliminate-unused-debug-symbols.
        * doc/invoke.texi (Debugging Options): Document -feliminate-unused-debug-symbols.

From-SVN: r68556

1 files changed, 20 insertions, 0 deletions

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 6d1dd44..6fd02eb 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -402,6 +402,9 @@ int flag_eliminate_dwarf2_dups = 0;
 
 int flag_eliminate_unused_debug_types = 1;
 
+/* Nonzero means emit debugging information only for symbols which are used.  */
+int flag_debug_only_used_symbols = 0;
+
 /* Nonzero if generating code to do profiling.  */
 
 int profile_flag = 0;
@@ -1056,6 +1059,8 @@ static const lang_independent_options f_options[] =
    N_("Perform DWARF2 duplicate elimination") },
   {"eliminate-unused-debug-types", &flag_dummy, 1,
    N_("Perform unused type elimination in debug info") },
+  {"eliminate-unused-debug-symbols", &flag_dummy, 1,
+   N_("Perform unused type elimination in debug info") },
   {"float-store", &flag_dummy, 1,
    N_("Do not store floats in registers") },
   {"defer-pop", &flag_dummy, 1,
@@ -4584,6 +4589,21 @@ general_init (char *argv0)
   init_ggc ();
   init_stringpool ();
   init_ttree ();
+
+  /* APPLE LOCAL setrlimit */
+#ifdef RLIMIT_STACK
+  /* Get rid of any avoidable limit on stack size.  */
+  {
+    struct rlimit rlim;
+
+    /* Set the stack limit huge.  (Compiles normally work within
+       a megabyte of stack, but the normal limit on OSX is 512K for
+       some reason.) */
+    getrlimit (RLIMIT_STACK, &rlim);
+    rlim.rlim_cur = rlim.rlim_max;
+    setrlimit (RLIMIT_STACK, &rlim);
+  }
+#endif /* RLIMIT_STACK defined */
 }
 
 /* Parse command line options and set default flag values, called