PR binutils/12720

[binutils-gdb.git] / gas / as.c

diff --git a/gas/as.c b/gas/as.c
index 4d1c00f08c9695ff143e7975f58771e387d25cfe..380259c0284d8b1bbb2639a6160a0ff8c3095d5c 100644 (file)
--- a/gas/as.c
+++ b/gas/as.c
@@ -1,6 +1,7 @@
 /* as.c - GAS main program.
    Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+   2010, 2011
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -98,6 +99,9 @@ int debug_memory = 0;
 /* Enable verbose mode.  */
 int verbose = 0;
 
+/* Keep the output file.  */
+int keep_it = 0;
+
 segT reg_section;
 segT expr_section;
 segT text_section;
@@ -242,10 +246,19 @@ Options:\n\
 
   fprintf (stream, _("\
   --alternate             initially turn on alternate macro syntax\n"));
+#ifdef HAVE_ZLIB_H
+  fprintf (stream, _("\
+  --compress-debug-sections\n\
+                          compress DWARF debug sections using zlib\n"));
+  fprintf (stream, _("\
+  --nocompress-debug-sections\n\
+                          don't compress DWARF debug sections\n"));
+#endif /* HAVE_ZLIB_H */
   fprintf (stream, _("\
   -D                      produce assembler debugging messages\n"));
   fprintf (stream, _("\
-  --debug-prefix-map OLD=NEW  Map OLD to NEW in debug information\n"));
+  --debug-prefix-map OLD=NEW\n\
+                          map OLD to NEW in debug information\n"));
   fprintf (stream, _("\
   --defsym SYM=VAL        define symbol SYM to given value\n"));
 #ifdef USE_EMULATIONS
@@ -271,6 +284,9 @@ Options:\n\
   --execstack             require executable stack for this object\n"));
   fprintf (stream, _("\
   --noexecstack           don't require executable stack for this object\n"));
+  fprintf (stream, _("\
+  --size-check=[error|warning]\n\
+                         ELF .size directive check (default --size-check=error)\n"));
 #endif
   fprintf (stream, _("\
   -f                      skip whitespace and comment preprocessing\n"));
@@ -430,11 +446,14 @@ parse_args (int * pargc, char *** pargv)
       OPTION_TARGET_HELP,
       OPTION_EXECSTACK,
       OPTION_NOEXECSTACK,
+      OPTION_SIZE_CHECK,
       OPTION_ALTERNATE,
       OPTION_AL,
       OPTION_HASH_TABLE_SIZE,
       OPTION_REDUCE_MEMORY_OVERHEADS,
-      OPTION_WARN_FATAL
+      OPTION_WARN_FATAL,
+      OPTION_COMPRESS_DEBUG,
+      OPTION_NOCOMPRESS_DEBUG
     /* When you add options here, check that they do
        not collide with OPTION_MD_BASE.  See as.h.  */
     };
@@ -452,6 +471,8 @@ parse_args (int * pargc, char *** pargv)
     ,{"a", optional_argument, NULL, 'a'}
     /* Handle -al=<FILE>.  */
     ,{"al", optional_argument, NULL, OPTION_AL}
+    ,{"compress-debug-sections", no_argument, NULL, OPTION_COMPRESS_DEBUG}
+    ,{"nocompress-debug-sections", no_argument, NULL, OPTION_NOCOMPRESS_DEBUG}
     ,{"debug-prefix-map", required_argument, NULL, OPTION_DEBUG_PREFIX_MAP}
     ,{"defsym", required_argument, NULL, OPTION_DEFSYM}
     ,{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG}
@@ -459,6 +480,7 @@ parse_args (int * pargc, char *** pargv)
 #if defined OBJ_ELF || defined OBJ_MAYBE_ELF
     ,{"execstack", no_argument, NULL, OPTION_EXECSTACK}
     ,{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK}
+    ,{"size-check", required_argument, NULL, OPTION_SIZE_CHECK}
 #endif
     ,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
     ,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF2}
@@ -601,7 +623,7 @@ parse_args (int * pargc, char *** pargv)
        case OPTION_VERSION:
          /* This output is intended to follow the GNU standards document.  */
          printf (_("GNU assembler %s\n"), BFD_VERSION_STRING);
-         printf (_("Copyright 2009 Free Software Foundation, Inc.\n"));
+         printf (_("Copyright 2011 Free Software Foundation, Inc.\n"));
          printf (_("\
 This program is free software; you may redistribute it under the terms of\n\
 the GNU General Public License version 3 or later.\n\
@@ -631,6 +653,18 @@ This program has absolutely no warranty.\n"));
 #endif
          exit (EXIT_SUCCESS);
 
+       case OPTION_COMPRESS_DEBUG:
+#ifdef HAVE_ZLIB_H
+         flag_compress_debug = 1;
+#else
+         as_warn (_("cannot compress debug sections (zlib not installed)"));
+#endif /* HAVE_ZLIB_H */
+         break;
+
+       case OPTION_NOCOMPRESS_DEBUG:
+         flag_compress_debug = 0;
+         break;
+
        case OPTION_DEBUG_PREFIX_MAP:
          add_debug_prefix_map (optarg);
          break;
@@ -784,6 +818,15 @@ This program has absolutely no warranty.\n"));
          flag_noexecstack = 1;
          flag_execstack = 0;
          break;
+
+       case OPTION_SIZE_CHECK:
+         if (strcasecmp (optarg, "error") == 0)
+           flag_size_check = size_check_error;
+         else if (strcasecmp (optarg, "warning") == 0)
+           flag_size_check = size_check_warning;
+         else
+           as_fatal (_("Invalid --size-check= option: `%s'"), optarg);
+         break;
 #endif
        case 'Z':
          flag_always_generate_output = 1;
@@ -953,6 +996,8 @@ static void
 close_output_file (void)
 {
   output_file_close (out_file_name);
+  if (!keep_it)
+    unlink_if_ordinary (out_file_name);
 }
 
 /* The interface between the macro code and gas expression handling.  */
@@ -1055,7 +1100,6 @@ create_obj_attrs_section (void)
 {
   segT s;
   char *p;
-  addressT addr;
   offsetT size;
   const char *name;
 
@@ -1069,7 +1113,7 @@ create_obj_attrs_section (void)
       elf_section_type (s)
        = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
       bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
-      addr = frag_now_fix ();
+      frag_now_fix ();
       p = frag_more (size);
       bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
     }
@@ -1083,7 +1127,6 @@ main (int argc, char ** argv)
   char ** argv_orig = argv;
 
   int macro_strip_at;
-  int keep_it;
 
   start_time = get_run_time ();
 
@@ -1153,6 +1196,8 @@ main (int argc, char ** argv)
   output_file_create (out_file_name);
   gas_assert (stdoutput != 0);
 
+  dot_symbol_init ();
+
 #ifdef tc_init_after_args
   tc_init_after_args ();
 #endif
@@ -1246,9 +1291,6 @@ main (int argc, char ** argv)
   if (had_errors () > 0 && ! flag_always_generate_output)
     keep_it = 0;
 
-  if (!keep_it)
-    unlink_if_ordinary (out_file_name);
-
   input_scrub_end ();
 
   END_PROGRESS (myname);