/* 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,
- 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2014 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
Understands command arguments.
Has a few routines that don't fit in other modules because they
are shared.
-
+
bugs
-
+
: initialisers
Since no-one else says they will support them in future: I
don't support them now. */
int verbose = 0;
/* Keep the output file. */
-int keep_it = 0;
+static int keep_it = 0;
segT reg_section;
segT expr_section;
#endif
static long start_time;
+#ifdef HAVE_SBRK
+char *start_sbrk;
+#endif
static int flag_macro_alternate;
#define EMULATION_ENVIRON "AS_EMULATION"
extern struct emulation mipsbelf, mipslelf, mipself;
-extern struct emulation mipsbecoff, mipslecoff, mipsecoff;
extern struct emulation i386coff, i386elf, i386aout;
extern struct emulation crisaout, criself;
fprintf (stream, _("\
--gdwarf-2 generate DWARF2 debugging information\n"));
fprintf (stream, _("\
+ --gdwarf-sections generate per-function section names for DWARF line information\n"));
+ fprintf (stream, _("\
--hash-size=<value> set the hash table size close to <value>\n"));
fprintf (stream, _("\
--help show this message and exit\n"));
--listing-cont-lines set the maximum number of continuation lines used\n\
for the output data column of the listing\n"));
fprintf (stream, _("\
- @FILE read options from FILE\n"));
+ @FILE read options from FILE\n"));
md_show_usage (stream);
OPTION_GSTABS,
OPTION_GSTABS_PLUS,
OPTION_GDWARF2,
+ OPTION_GDWARF_SECTIONS,
OPTION_STRIP_LOCAL_ABSOLUTE,
OPTION_TRADITIONAL_FORMAT,
OPTION_WARN,
/* When you add options here, check that they do
not collide with OPTION_MD_BASE. See as.h. */
};
-
+
static const struct option std_longopts[] =
{
/* Note: commas are placed at the start of the line rather than
/* GCC uses --gdwarf-2 but GAS uses to use --gdwarf2,
so we keep it here for backwards compatibility. */
,{"gdwarf2", no_argument, NULL, OPTION_GDWARF2}
+ ,{"gdwarf-sections", no_argument, NULL, OPTION_GDWARF_SECTIONS}
,{"gen-debug", no_argument, NULL, 'g'}
,{"gstabs", no_argument, NULL, OPTION_GSTABS}
,{"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS}
case OPTION_VERSION:
/* This output is intended to follow the GNU standards document. */
printf (_("GNU assembler %s\n"), BFD_VERSION_STRING);
- printf (_("Copyright 2012 Free Software Foundation, Inc.\n"));
+ printf (_("Copyright (C) 2014 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\
debug_type = DEBUG_DWARF2;
break;
+ case OPTION_GDWARF_SECTIONS:
+ flag_dwarf_sections = TRUE;
+ break;
+
case 'J':
flag_signed_overflow_ok = 1;
break;
myname, run_time / 1000000, run_time % 1000000);
#ifdef HAVE_SBRK
fprintf (stderr, _("%s: data size %ld\n"),
- myname, (long) (lim - (char *) &environ));
+ myname, (long) (lim - start_sbrk));
#endif
subsegs_print_statistics (stderr);
read_a_source_file ("");
}
\f
-#ifdef OBJ_ELF
-static void
-create_obj_attrs_section (void)
-{
- segT s;
- char *p;
- offsetT size;
- const char *name;
-
- size = bfd_elf_obj_attr_size (stdoutput);
- if (size)
- {
- name = get_elf_backend_data (stdoutput)->obj_attrs_section;
- if (!name)
- name = ".gnu.attributes";
- s = subseg_new (name, 0);
- elf_section_type (s)
- = get_elf_backend_data (stdoutput)->obj_attrs_section_type;
- bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
- frag_now_fix ();
- p = frag_more (size);
- bfd_elf_set_obj_attr_contents (stdoutput, (bfd_byte *)p, size);
- }
-}
-#endif
-\f
int
main (int argc, char ** argv)
int macro_strip_at;
start_time = get_run_time ();
+#ifdef HAVE_SBRK
+ start_sbrk = (char *) sbrk (0);
+#endif
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
md_end ();
#endif
-#ifdef OBJ_ELF
- if (IS_ELF)
- create_obj_attrs_section ();
-#endif
-
#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
if ((flag_execstack || flag_noexecstack)
&& OUTPUT_FLAVOR == bfd_target_elf_flavour)
gnustack = subseg_new (".note.GNU-stack", 0);
bfd_set_section_flags (stdoutput, gnustack,
SEC_READONLY | (flag_execstack ? SEC_CODE : 0));
-
+
}
#endif
assembly debugging or on behalf of the compiler, emit it now. */
dwarf2_finish ();
- /* If we constructed dwarf2 .eh_frame info, either via .cfi
+ /* If we constructed dwarf2 .eh_frame info, either via .cfi
directives from the user or by the backend, emit it now. */
cfi_finish ();
- if (seen_at_least_1_file ()
- && (flag_always_generate_output || had_errors () == 0))
- keep_it = 1;
- else
- keep_it = 0;
+ keep_it = 0;
+ if (seen_at_least_1_file ())
+ {
+ int n_warns, n_errs;
+ char warn_msg[50];
+ char err_msg[50];
- /* This used to be done at the start of write_object_file in
- write.c, but that caused problems when doing listings when
- keep_it was zero. This could probably be moved above md_end, but
- I didn't want to risk the change. */
- subsegs_finish ();
+ write_object_file ();
- if (keep_it)
- write_object_file ();
+ n_warns = had_warnings ();
+ n_errs = had_errors ();
+
+ if (n_warns == 1)
+ sprintf (warn_msg, _("%d warning"), n_warns);
+ else
+ sprintf (warn_msg, _("%d warnings"), n_warns);
+ if (n_errs == 1)
+ sprintf (err_msg, _("%d error"), n_errs);
+ else
+ sprintf (err_msg, _("%d errors"), n_errs);
+
+ if (flag_fatal_warnings && n_warns != 0)
+ {
+ if (n_errs == 0)
+ as_bad (_("%s, treating warnings as errors"), warn_msg);
+ n_errs += n_warns;
+ }
+
+ if (n_errs == 0)
+ keep_it = 1;
+ else if (flag_always_generate_output)
+ {
+ /* The -Z flag indicates that an object file should be generated,
+ regardless of warnings and errors. */
+ keep_it = 1;
+ fprintf (stderr, _("%s, %s, generating bad object file\n"),
+ err_msg, warn_msg);
+ }
+ }
fflush (stderr);
listing_print (listing_filename, argv_orig);
#endif
- if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0)
- as_bad (_("%d warnings, treating warnings as errors"), had_warnings ());
-
- if (had_errors () > 0 && ! flag_always_generate_output)
- keep_it = 0;
-
input_scrub_end ();
END_PROGRESS (myname);
/* Use xexit instead of return, because under VMS environments they
may not place the same interpretation on the value given. */
- if (had_errors () > 0)
+ if (had_errors () != 0)
xexit (EXIT_FAILURE);
/* Only generate dependency file if assembler was successful. */
projects / platform / upstream / binutils.git / blobdiff