Run --gc-sections tests only if supported.

[deliverable/binutils-gdb.git] / bfd / bfd.c

diff --git a/bfd/bfd.c b/bfd/bfd.c
index 9979ac6d509a812f19cb67288a5ced5d4ff38e3d..7c14c7a00a6e885aa98443113456b240bd04c8b5 100644 (file)
--- a/bfd/bfd.c
+++ b/bfd/bfd.c
@@ -1,6 +1,6 @@
 /* Generic BFD library interface and support routines.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
    Written by Cygnus Support.
 
@@ -35,6 +35,14 @@ SECTION
 
 CODE_FRAGMENT
 .
+.enum bfd_direction
+.  {
+.    no_direction = 0,
+.    read_direction = 1,
+.    write_direction = 2,
+.    both_direction = 3
+.  };
+.
 .struct bfd
 .{
 .  {* A unique identifier of the BFD  *}
@@ -69,14 +77,7 @@ CODE_FRAGMENT
 .  bfd_format format;
 .
 .  {* The direction with which the BFD was opened.  *}
-.  enum bfd_direction
-.    {
-.      no_direction = 0,
-.      read_direction = 1,
-.      write_direction = 2,
-.      both_direction = 3
-.    }
-.  direction;
+.  enum bfd_direction direction;
 .
 .  {* Format_specific flags.  *}
 .  flagword flags;
@@ -150,6 +151,24 @@ CODE_FRAGMENT
 .     will be consistent from run to run.  *}
 .#define BFD_DETERMINISTIC_OUTPUT 0x4000
 .
+.  {* Compress sections in this BFD.  *}
+.#define BFD_COMPRESS 0x8000
+.
+.  {* Decompress sections in this BFD.  *}
+.#define BFD_DECOMPRESS 0x10000
+.
+.  {* BFD is a dummy, for plugins.  *}
+.#define BFD_PLUGIN 0x20000
+.
+.  {* Flags bits to be saved in bfd_preserve_save.  *}
+.#define BFD_FLAGS_SAVED \
+.  (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_PLUGIN)
+.
+.  {* Flags bits which are for BFD use only.  *}
+.#define BFD_FLAGS_FOR_BFD_USE_MASK \
+.  (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
+.   | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT)
+.
 .  {* Currently my_archive is tested before adding origin to
 .     anything. I believe that this can become always an add of
 .     origin, with origin set to 0 for non archive files.  *}
@@ -220,6 +239,7 @@ CODE_FRAGMENT
 .      struct ieee_data_struct *ieee_data;
 .      struct ieee_ar_data_struct *ieee_ar_data;
 .      struct srec_data_struct *srec_data;
+.      struct verilog_data_struct *verilog_data;
 .      struct ihex_data_struct *ihex_data;
 .      struct tekhex_data_struct *tekhex_data;
 .      struct elf_obj_tdata *elf_obj_data;
@@ -240,6 +260,7 @@ CODE_FRAGMENT
 .      struct netbsd_core_struct *netbsd_core_data;
 .      struct mach_o_data_struct *mach_o_data;
 .      struct mach_o_fat_data_struct *mach_o_fat_data;
+.      struct plugin_data_struct *plugin_data;
 .      struct bfd_pef_data_struct *pef_data;
 .      struct bfd_pef_xlib_data_struct *pef_xlib_data;
 .      struct bfd_sym_data_struct *sym_data;
@@ -283,6 +304,10 @@ CODE_FRAGMENT
 .
 .  {* Set if this is a thin archive.  *}
 .  unsigned int is_thin_archive : 1;
+.
+.  {* Set if only required symbols should be added in the link hash table for
+.     this object.  Used by VMS linkers.  *}
+.  unsigned int selective_search : 1;
 .};
 .
 */
@@ -436,7 +461,7 @@ bfd_set_error (bfd_error_type error_tag, ...)
 
       va_start (ap, error_tag);
       input_bfd = va_arg (ap, bfd *);
-      input_error = va_arg (ap, int);
+      input_error = (bfd_error_type) va_arg (ap, int);
       if (input_error >= bfd_error_on_input)
        abort ();
       va_end (ap);
@@ -501,10 +526,12 @@ DESCRIPTION
 void
 bfd_perror (const char *message)
 {
+  fflush (stdout);
   if (message == NULL || *message == '\0')
     fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
   else
     fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
+  fflush (stderr);
 }
 
 /*
@@ -701,6 +728,7 @@ _bfd_default_error_handler (const char *fmt, ...)
   va_end (ap);
 
   putc ('\n', stderr);
+  fflush (stderr);
 }
 
 /* This is a function pointer to the routine which should handle BFD
@@ -1003,7 +1031,8 @@ bfd_get_sign_extend_vma (bfd *abfd)
       || strcmp (name, "pe-x86-64") == 0
       || strcmp (name, "pei-x86-64") == 0
       || strcmp (name, "pe-arm-wince-little") == 0
-      || strcmp (name, "pei-arm-wince-little") == 0)
+      || strcmp (name, "pei-arm-wince-little") == 0
+      || strcmp (name, "aixcoff-rs6000") == 0)
     return 1;
 
   if (CONST_STRNEQ (name, "mach-o"))
@@ -1345,6 +1374,9 @@ DESCRIPTION
 .#define bfd_gc_sections(abfd, link_info) \
 .      BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
 .
+.#define bfd_lookup_section_flags(link_info, flag_info) \
+.      BFD_SEND (abfd, _bfd_lookup_section_flags, (link_info, flag_info))
+.
 .#define bfd_merge_sections(abfd, link_info) \
 .      BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
 .
@@ -1446,7 +1478,7 @@ bfd_record_phdr (bfd *abfd,
 
   amt = sizeof (struct elf_segment_map);
   amt += ((bfd_size_type) count - 1) * sizeof (asection *);
-  m = bfd_zalloc (abfd, amt);
+  m = (struct elf_segment_map *) bfd_zalloc (abfd, amt);
   if (m == NULL)
     return FALSE;
 
@@ -1621,7 +1653,7 @@ bfd_preserve_save (bfd *abfd, struct bfd_preserve *preserve)
 
   abfd->tdata.any = NULL;
   abfd->arch_info = &bfd_default_arch_struct;
-  abfd->flags &= BFD_IN_MEMORY;
+  abfd->flags &= BFD_FLAGS_SAVED;
   abfd->sections = NULL;
   abfd->section_last = NULL;
   abfd->section_count = 0;
@@ -1701,8 +1733,7 @@ DESCRIPTION
        emulation.
 
 RETURNS
-       Returns the maximum page size in bytes for ELF, abort
-       otherwise.
+       Returns the maximum page size in bytes for ELF, 0 otherwise.
 */
 
 bfd_vma
@@ -1715,7 +1746,6 @@ bfd_emul_get_maxpagesize (const char *emul)
       && target->flavour == bfd_target_elf_flavour)
     return xvec_get_elf_backend_data (target)->maxpagesize;
 
-  abort ();
   return 0;
 }
 
@@ -1774,7 +1804,7 @@ DESCRIPTION
        emulation.
 
 RETURNS
-       Returns the common page size in bytes for ELF, abort otherwise.
+       Returns the common page size in bytes for ELF, 0 otherwise.
 */
 
 bfd_vma
@@ -1787,7 +1817,6 @@ bfd_emul_get_commonpagesize (const char *emul)
       && target->flavour == bfd_target_elf_flavour)
     return xvec_get_elf_backend_data (target)->commonpagesize;
 
-  abort ();
   return 0;
 }
 
@@ -1859,7 +1888,7 @@ bfd_demangle (bfd *abfd, const char *name, int options)
   suf = strchr (name, '@');
   if (suf != NULL)
     {
-      alloc = bfd_malloc (suf - name + 1);
+      alloc = (char *) bfd_malloc (suf - name + 1);
       if (alloc == NULL)
        return NULL;
       memcpy (alloc, name, suf - name);
@@ -1877,7 +1906,7 @@ bfd_demangle (bfd *abfd, const char *name, int options)
       if (skip_lead)
        {
          size_t len = strlen (pre) + 1;
-         alloc = bfd_malloc (len);
+         alloc = (char *) bfd_malloc (len);
          if (alloc == NULL)
            return NULL;
          memcpy (alloc, pre, len);
@@ -1897,7 +1926,7 @@ bfd_demangle (bfd *abfd, const char *name, int options)
       if (suf == NULL)
        suf = res + len;
       suf_len = strlen (suf) + 1;
-      final = bfd_malloc (pre_len + len + suf_len);
+      final = (char *) bfd_malloc (pre_len + len + suf_len);
       if (final != NULL)
        {
          memcpy (final, pre, pre_len);