Use __asm__ rather than asm in ld testsuite

[deliverable/binutils-gdb.git] / gas / config / obj-som.c

diff --git a/gas/config/obj-som.c b/gas/config/obj-som.c
index 9f6e4f37fd97653ffc94628625dc43aab4cf56bb..82b0af420a7fe581f8bf5fc74dcf02e8819acded 100644 (file)
--- a/gas/config/obj-som.c
+++ b/gas/config/obj-som.c
@@ -1,11 +1,11 @@
 /* SOM object file format.
 /* SOM object file format.

-   Copyright (C) 1993 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.

 
    This file is part of GAS, the GNU Assembler.
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
 
    This file is part of GAS, the GNU Assembler.
 
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as

-   published by the Free Software Foundation; either version 2,
+   published by the Free Software Foundation; either version 3,

    or (at your option) any later version.
 
    GAS is distributed in the hope that it will be useful, but
    or (at your option) any later version.
 
    GAS is distributed in the hope that it will be useful, but


@@ -13,9 +13,10 @@
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
    the GNU General Public License for more details.
 
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
    the GNU General Public License for more details.
 

-   You should have received a copy of the GNU General Public
-   License along with GAS; see the file COPYING.  If not, write
-   to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.

 
    Written by the Center for Software Science at the University of Utah
    and by Cygnus Support.  */
 
    Written by the Center for Software Science at the University of Utah
    and by Cygnus Support.  */


@@ -23,40 +24,176 @@
 #include "as.h"
 #include "subsegs.h"
 #include "aout/stab_gnu.h"
 #include "as.h"
 #include "subsegs.h"
 #include "aout/stab_gnu.h"

-#include "obstack.h"

 
 

-/* SOM does not need any pseudo-ops.  */
+static int version_seen = 0;
+static int copyright_seen = 0;
+static int compiler_seen = 0;

 
 

-const pseudo_typeS obj_pseudo_table[] =
+/* Unused by SOM.  */
+
+void
+obj_read_begin_hook (void)

 {
 {

-  {NULL}
-};
+}
+
+/* Handle a .compiler directive.   This is intended to create the
+   compilation unit auxiliary header for MPE such that the linkeditor
+   can handle SOM extraction from archives. The format of the quoted
+   string is "sourcefile language version" and is delimited by blanks.  */
+
+void
+obj_som_compiler (int unused ATTRIBUTE_UNUSED)
+{
+  char *buf;
+  char c;
+  char *filename;
+  char *language_name;
+  char *p;
+  char *version_id;
+
+  if (compiler_seen)
+    {
+      as_bad (_("Only one .compiler pseudo-op per file!"));
+      ignore_rest_of_line ();
+      return;
+    }
+
+  SKIP_WHITESPACE ();
+  if (*input_line_pointer == '\"')
+    {
+      buf = input_line_pointer;
+      ++input_line_pointer;
+      while (is_a_char (next_char_of_string ()))
+       ;
+      c = *input_line_pointer;
+      *input_line_pointer = '\000';
+    }
+  else
+    {
+      as_bad (_("Expected quoted string"));
+      ignore_rest_of_line ();
+      return;
+    }

 
 

-/* SOM does not use this.  */
+  /* Parse the quoted string into its component parts.  Skip the
+     quote.  */
+  filename = buf + 1;
+  p = filename;
+  while (*p != ' ' && *p != '\000')
+    p++;
+  if (*p == '\000')
+    {
+      as_bad (_(".compiler directive missing language and version"));
+      return;
+    }
+  *p = '\000';
+
+  language_name = ++p;
+  while (*p != ' ' && *p != '\000')
+    p++;
+  if (*p == '\000')
+    {
+      as_bad (_(".compiler directive missing version"));
+      return;
+    }
+  *p = '\000';
+
+  version_id = ++p;
+  while (*p != '\000')
+    p++;
+  /* Remove the trailing quote.  */
+  *(--p) = '\000';
+
+  compiler_seen = 1;
+  if (! bfd_som_attach_compilation_unit (stdoutput, filename, language_name,
+                                        "GNU Tools", version_id))
+    {
+      bfd_perror (stdoutput->filename);
+      as_fatal (_("FATAL: Attaching compiler header %s"), stdoutput->filename);
+    }
+  *input_line_pointer = c;
+  demand_empty_rest_of_line ();
+}
+
+/* Handle a .version directive.  */

 
 void
 
 void

-obj_read_begin_hook ()
+obj_som_version (int unused ATTRIBUTE_UNUSED)

 {
 {

+  char *version, c;
+
+  if (version_seen)
+    {
+      as_bad (_("Only one .version pseudo-op per file!"));
+      ignore_rest_of_line ();
+      return;
+    }
+
+  SKIP_WHITESPACE ();
+  if (*input_line_pointer == '\"')
+    {
+      version = input_line_pointer;
+      ++input_line_pointer;
+      while (is_a_char (next_char_of_string ()))
+       ;
+      c = *input_line_pointer;
+      *input_line_pointer = '\000';
+    }
+  else
+    {
+      as_bad (_("Expected quoted string"));
+      ignore_rest_of_line ();
+      return;
+    }
+
+  version_seen = 1;
+  if (!bfd_som_attach_aux_hdr (stdoutput, VERSION_AUX_ID, version))
+    as_fatal (_("attaching version header %s: %s"),
+             stdoutput->filename, bfd_errmsg (bfd_get_error ()));
+
+  *input_line_pointer = c;
+  demand_empty_rest_of_line ();

 }
 
 }
 

-/* Handle a .version directive.  FIXME.  We just parse the .version
-   directive and throw away the results!.  */
+/* Handle a .copyright directive.   This probably isn't complete, but
+   it's of dubious value anyway and (IMHO) not worth the time to finish.
+   If you care about copyright strings that much, you fix it.  */

 
 void
 
 void

-obj_som_version (unused)
-     int unused;
+obj_som_copyright (int unused ATTRIBUTE_UNUSED)

 {
 {

-  SKIP_WHITESPACE ()
+  char *copyright, c;
+
+  if (copyright_seen)
+    {
+      as_bad (_("Only one .copyright pseudo-op per file!"));
+      ignore_rest_of_line ();
+      return;
+    }
+
+  SKIP_WHITESPACE ();

   if (*input_line_pointer == '\"')
     {
   if (*input_line_pointer == '\"')
     {

+      copyright = input_line_pointer;

       ++input_line_pointer;
       while (is_a_char (next_char_of_string ()))
        ;
       ++input_line_pointer;
       while (is_a_char (next_char_of_string ()))
        ;

+      c = *input_line_pointer;
+      *input_line_pointer = '\000';

     }
   else
     {
     }
   else
     {

-      as_bad ("Expected quoted string");
+      as_bad (_("Expected quoted string"));
+      ignore_rest_of_line ();
+      return;

     }
     }

+
+  copyright_seen = 1;
+  if (!bfd_som_attach_aux_hdr (stdoutput, COPYRIGHT_AUX_ID, copyright))
+    as_fatal (_("attaching copyright header %s: %s"),
+             stdoutput->filename, bfd_errmsg (bfd_get_error ()));
+
+  *input_line_pointer = c;

   demand_empty_rest_of_line ();
 }
 
   demand_empty_rest_of_line ();
 }
 


@@ -68,30 +205,123 @@ obj_som_version (unused)
    which BFD does not understand.  */
 
 void
    which BFD does not understand.  */
 
 void

-obj_som_init_stab_section (seg)
-     segT seg;
+obj_som_init_stab_section (segT seg)

 {
 {

-  segT saved_seg = now_seg, space;
+  segT saved_seg = now_seg;
+  segT space;

   subsegT saved_subseg = now_subseg;
   subsegT saved_subseg = now_subseg;

+  char *p;
+ const char * file;
+  unsigned int stroff;

 
   /* Make the space which will contain the debug subspaces.  */
   space = bfd_make_section_old_way (stdoutput, "$GDB_DEBUG$");
 
   /* Set SOM specific attributes for the space.  In particular we set
 
   /* Make the space which will contain the debug subspaces.  */
   space = bfd_make_section_old_way (stdoutput, "$GDB_DEBUG$");
 
   /* Set SOM specific attributes for the space.  In particular we set

-     the space "defined", "private", "sort_key", and "spnum" values.  */
-  obj_set_section_attributes (space, 1, 1, 255, 2);
+     the space "defined", "private", "sort_key", and "spnum" values.
+
+     Due to a bug in pxdb (called by hpux linker), the sort keys
+     of the various stabs spaces/subspaces need to be "small".  We
+     reserve range 72/73 which appear to work well.  */
+  obj_set_section_attributes (space, 1, 1, 72, 2);
+  bfd_set_section_alignment (space, 2);

 
   /* Set the containing space for both stab sections to be $GDB_DEBUG$
      (just created above).  Also set some attributes which BFD does
      not understand.  In particular, access bits, sort keys, and load
      quadrant.  */
 
   /* Set the containing space for both stab sections to be $GDB_DEBUG$
      (just created above).  Also set some attributes which BFD does
      not understand.  In particular, access bits, sort keys, and load
      quadrant.  */

-  obj_set_subsection_attributes (seg, space, 0x1f, 255, 0);
+  obj_set_subsection_attributes (seg, space, 0x1f, 73, 0, 0, 0, 0);
+  bfd_set_section_alignment (seg, 2);
+
+  /* Make some space for the first special stab entry and zero the memory.
+     It contains information about the length of this file's
+     stab string and the like.  Using it avoids the need to
+     relocate the stab strings.

 
 

-  /* Likewise for the $GDB_STRINGS$ subspace.  Note the section
-     hasn't been created at the time of this call, so we create
-     it now.  */
-  seg = subseg_new ("$GDB_STRINGS$", 0);
-  obj_set_subsection_attributes (seg, space, 0x1f, 254, 0);
+     The $GDB_STRINGS$ space will be created as a side effect of
+     the call to get_stab_string_offset.  */
+  p = frag_more (12);
+  memset (p, 0, 12);
+  file = as_where ((unsigned int *) NULL);
+  stroff = get_stab_string_offset (file, "$GDB_STRINGS$", FALSE);
+  know (stroff == 1);
+  md_number_to_chars (p, stroff, 4);
+  seg_info (seg)->stabu.p = p;
+
+  /* Set the containing space for both stab sections to be $GDB_DEBUG$
+     (just created above).  Also set some attributes which BFD does
+     not understand.  In particular, access bits, sort keys, and load
+     quadrant.  */
+  seg = bfd_get_section_by_name (stdoutput, "$GDB_STRINGS$");
+  obj_set_subsection_attributes (seg, space, 0x1f, 72, 0, 0, 0, 0);
+  bfd_set_section_alignment (seg, 2);

 
   subseg_set (saved_seg, saved_subseg);
 }
 
   subseg_set (saved_seg, saved_subseg);
 }

+
+/* Fill in the counts in the first entry in a .stabs section.  */
+
+static void
+adjust_stab_sections (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
+{
+  asection *strsec;
+  char *p;
+  int strsz, nsyms;
+
+  if (strcmp ("$GDB_SYMBOLS$", sec->name))
+    return;
+
+  strsec = bfd_get_section_by_name (abfd, "$GDB_STRINGS$");
+  if (strsec)
+    strsz = bfd_section_size (strsec);
+  else
+    strsz = 0;
+  nsyms = bfd_section_size (sec) / 12 - 1;
+
+  p = seg_info (sec)->stabu.p;
+  gas_assert (p != 0);
+
+  bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6);
+  bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8);
+}
+
+/* Called late in the assembly phase to adjust the special
+   stab entry and to set the starting address for each code subspace.  */
+
+void
+som_frob_file (void)
+{
+  bfd_map_over_sections (stdoutput, adjust_stab_sections, (void *) 0);
+}
+
+static void
+obj_som_weak (int ignore ATTRIBUTE_UNUSED)
+{
+  char *name;
+  int c;
+  symbolS *symbolP;
+
+  do
+    {
+      c = get_symbol_name (&name);
+      symbolP = symbol_find_or_make (name);
+      *input_line_pointer = c;
+      SKIP_WHITESPACE_AFTER_NAME ();
+      S_SET_WEAK (symbolP);
+      if (c == ',')
+       {
+         input_line_pointer++;
+         SKIP_WHITESPACE ();
+         if (*input_line_pointer == '\n')
+           c = '\n';
+       }
+    }
+  while (c == ',');
+  demand_empty_rest_of_line ();
+}
+
+const pseudo_typeS obj_pseudo_table[] =
+{
+  {"weak", obj_som_weak, 0},
+  {NULL, NULL, 0}
+};