Adds the new Fields and Operand types for the new instructions in Armv8.4-a.

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

diff --git a/bfd/cache.c b/bfd/cache.c
index 27fe70a84c6de6ed89d6d7b930f08b085e6b10a1..17bca8ba85deaa0a6022ec1e7cf3258fd1c3c8f2 100644 (file)
--- a/bfd/cache.c
+++ b/bfd/cache.c
@@ -1,6 +1,6 @@
 /* BFD library -- caching of file descriptors.
 
-   Copyright (C) 1990-2014 Free Software Foundation, Inc.
+   Copyright (C) 1990-2017 Free Software Foundation, Inc.
 
    Hacked by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
 
@@ -78,18 +78,36 @@ bfd_cache_max_open (void)
   if (max_open_files == 0)
     {
       int max;
+#if defined(__sun) && !defined(__sparcv9) && !defined(__x86_64__)
+      /* PR ld/19260: 32-bit Solaris has very inelegant handling of the 255
+        file descriptor limit.  The problem is that setrlimit(2) can raise
+        RLIMIT_NOFILE to a value that is not supported by libc, resulting
+         in "Too many open files" errors.  This can happen here even though
+        max_open_files is set to rlim.rlim_cur / 8.  For example, if
+        a parent process has set rlim.rlim_cur to 65536, then max_open_files
+        will be computed as 8192.
+
+        This check essentially reverts to the behavior from binutils 2.23.1
+         for 32-bit Solaris only.  (It is hoped that the 32-bit libc
+        limitation will be removed soon).  64-bit Solaris libc does not have
+        this limitation.  */
+      max = 16;
+#else
 #ifdef HAVE_GETRLIMIT
       struct rlimit rlim;
+
       if (getrlimit (RLIMIT_NOFILE, &rlim) == 0
          && rlim.rlim_cur != (rlim_t) RLIM_INFINITY)
        max = rlim.rlim_cur / 8;
       else
-#endif /* HAVE_GETRLIMIT */
+#endif
 #ifdef _SC_OPEN_MAX
        max = sysconf (_SC_OPEN_MAX) / 8;
 #else
-       max = 10;
-#endif /* _SC_OPEN_MAX */
+        max = 10;
+#endif
+#endif /* not 32-bit Solaris */
+
       max_open_files = max < 10 ? 10 : max;
     }
 
@@ -194,7 +212,7 @@ close_one (void)
       return TRUE;
     }
 
-  to_kill->where = real_ftell ((FILE *) to_kill->iostream);
+  to_kill->where = _bfd_real_ftell ((FILE *) to_kill->iostream);
 
   return bfd_cache_delete (to_kill);
 }
@@ -223,7 +241,8 @@ bfd_cache_lookup_worker (bfd *abfd, enum cache_flag flag)
   if ((abfd->flags & BFD_IN_MEMORY) != 0)
     abort ();
 
-  while (abfd->my_archive)
+  while (abfd->my_archive != NULL
+        && !bfd_is_thin_archive (abfd->my_archive))
     abfd = abfd->my_archive;
 
   if (abfd->iostream != NULL)
@@ -243,14 +262,16 @@ bfd_cache_lookup_worker (bfd *abfd, enum cache_flag flag)
   if (bfd_open_file (abfd) == NULL)
     ;
   else if (!(flag & CACHE_NO_SEEK)
-          && real_fseek ((FILE *) abfd->iostream, abfd->where, SEEK_SET) != 0
+          && _bfd_real_fseek ((FILE *) abfd->iostream,
+                              abfd->where, SEEK_SET) != 0
           && !(flag & CACHE_NO_SEEK_ERROR))
     bfd_set_error (bfd_error_system_call);
   else
     return (FILE *) abfd->iostream;
 
-  (*_bfd_error_handler) (_("reopening %B: %s\n"),
-                        orig_bfd, bfd_errmsg (bfd_get_error ()));
+  /* xgettext:c-format */
+  _bfd_error_handler (_("reopening %B: %s\n"),
+                     orig_bfd, bfd_errmsg (bfd_get_error ()));
   return NULL;
 }
 
@@ -260,7 +281,7 @@ cache_btell (struct bfd *abfd)
   FILE *f = bfd_cache_lookup (abfd, CACHE_NO_OPEN);
   if (f == NULL)
     return abfd->where;
-  return real_ftell (f);
+  return _bfd_real_ftell (f);
 }
 
 static int
@@ -269,7 +290,7 @@ cache_bseek (struct bfd *abfd, file_ptr offset, int whence)
   FILE *f = bfd_cache_lookup (abfd, whence != SEEK_CUR ? CACHE_NO_SEEK : CACHE_NORMAL);
   if (f == NULL)
     return -1;
-  return real_fseek (f, offset, whence);
+  return _bfd_real_fseek (f, offset, whence);
 }
 
 /* Note that archive entries don't have streams; they share their parent's.
@@ -310,7 +331,7 @@ cache_bread_1 (struct bfd *abfd, void *buf, file_ptr nbytes)
   if (nread == (file_ptr)-1)
     {
       bfd_set_error (bfd_error_system_call);
-      return -1;
+      return nread;
     }
 #else
   nread = fread (buf, 1, nbytes, f);
@@ -320,7 +341,7 @@ cache_bread_1 (struct bfd *abfd, void *buf, file_ptr nbytes)
   if (nread < nbytes && ferror (f))
     {
       bfd_set_error (bfd_error_system_call);
-      return -1;
+      return nread;
     }
 #endif
   if (nread < nbytes)
@@ -448,7 +469,8 @@ cache_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
         pagesize_m1 = getpagesize () - 1;
 
       /* Handle archive members.  */
-      if (abfd->my_archive != NULL)
+      if (abfd->my_archive != NULL
+         && !bfd_is_thin_archive (abfd->my_archive))
         offset += abfd->origin;
 
       /* Align.  */
@@ -548,7 +570,7 @@ RETURNS
 */
 
 bfd_boolean
-bfd_cache_close_all ()
+bfd_cache_close_all (void)
 {
   bfd_boolean ret = TRUE;
 
@@ -588,15 +610,15 @@ bfd_open_file (bfd *abfd)
     {
     case read_direction:
     case no_direction:
-      abfd->iostream = real_fopen (abfd->filename, FOPEN_RB);
+      abfd->iostream = _bfd_real_fopen (abfd->filename, FOPEN_RB);
       break;
     case both_direction:
     case write_direction:
       if (abfd->opened_once)
        {
-         abfd->iostream = real_fopen (abfd->filename, FOPEN_RUB);
+         abfd->iostream = _bfd_real_fopen (abfd->filename, FOPEN_RUB);
          if (abfd->iostream == NULL)
-           abfd->iostream = real_fopen (abfd->filename, FOPEN_WUB);
+           abfd->iostream = _bfd_real_fopen (abfd->filename, FOPEN_WUB);
        }
       else
        {
@@ -626,7 +648,7 @@ bfd_open_file (bfd *abfd)
          if (stat (abfd->filename, &s) == 0 && s.st_size != 0)
            unlink_if_ordinary (abfd->filename);
 #endif
-         abfd->iostream = real_fopen (abfd->filename, FOPEN_WUB);
+         abfd->iostream = _bfd_real_fopen (abfd->filename, FOPEN_WUB);
          abfd->opened_once = TRUE;
        }
       break;