bfd/

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

diff --git a/bfd/opncls.c b/bfd/opncls.c
index 63f7b74d63e95ac8b326c996e533d15ecd3b1dab..4002f5f1bba384d130dbbb93982a7e8bbcdc8661 100644 (file)
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -1,6 +1,6 @@
 /* opncls.c -- open and close a BFD.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
-   2001, 2002, 2003, 2004, 2005
+   2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    Written by Cygnus Support.
@@ -71,7 +71,7 @@ _bfd_new_bfd (void)
   nbfd->iostream = NULL;
   nbfd->where = 0;
   if (!bfd_hash_table_init_n (& nbfd->section_htab, bfd_section_hash_newfunc,
-                             251))
+                             sizeof (struct section_hash_entry), 251))
     {
       free (nbfd);
       return NULL;
@@ -115,11 +115,35 @@ _bfd_new_bfd_contained_in (bfd *obfd)
 void
 _bfd_delete_bfd (bfd *abfd)
 {
-  bfd_hash_table_free (&abfd->section_htab);
-  objalloc_free ((struct objalloc *) abfd->memory);
+  if (abfd->memory)
+    {
+      bfd_hash_table_free (&abfd->section_htab);
+      objalloc_free ((struct objalloc *) abfd->memory);
+    }
   free (abfd);
 }
 
+/* Free objalloc memory.  */
+
+bfd_boolean
+_bfd_free_cached_info (bfd *abfd)
+{
+  if (abfd->memory)
+    {
+      bfd_hash_table_free (&abfd->section_htab);
+      objalloc_free ((struct objalloc *) abfd->memory);
+
+      abfd->sections = NULL;
+      abfd->section_last = NULL;
+      abfd->outsymbols = NULL;
+      abfd->tdata.any = NULL;
+      abfd->usrdata = NULL;
+      abfd->memory = NULL;
+    }
+
+  return TRUE;
+}
+
 /*
 SECTION
        Opening and closing BFDs
@@ -360,7 +384,10 @@ SYNOPSIS
                                                  file_ptr nbytes,
                                                  file_ptr offset),
                               int (*close) (struct bfd *nbfd,
-                                            void *stream));
+                                            void *stream),
+                             int (*stat) (struct bfd *abfd,
+                                          void *stream,
+                                          struct stat *sb));
 
 DESCRIPTION
 
@@ -387,6 +414,10 @@ DESCRIPTION
        <<bfd_close>>.  @var{close} either succeeds returning 0, or
        fails returning -1 (setting <<bfd_error>>).
 
+       Calls @var{stat} to fill in a stat structure for bfd_stat,
+       bfd_get_size, and bfd_get_mtime calls.  @var{stat} returns 0
+       on success, or returns -1 on failure (setting <<bfd_error>>).
+
        If <<bfd_openr_iovec>> returns <<NULL>> then an error has
        occurred.  Possible errors are <<bfd_error_no_memory>>,
        <<bfd_error_invalid_target>> and <<bfd_error_system_call>>.
@@ -399,6 +430,7 @@ struct opncls
   file_ptr (*pread) (struct bfd *abfd, void *stream, void *buf,
                     file_ptr nbytes, file_ptr offset);
   int (*close) (struct bfd *abfd, void *stream);
+  int (*stat) (struct bfd *abfd, void *stream, struct stat *sb);
   file_ptr where;
 };
 
@@ -461,10 +493,15 @@ opncls_bflush (struct bfd *abfd ATTRIBUTE_UNUSED)
 }
 
 static int
-opncls_bstat (struct bfd *abfd ATTRIBUTE_UNUSED, struct stat *sb)
+opncls_bstat (struct bfd *abfd, struct stat *sb)
 {
+  struct opncls *vec = abfd->iostream;
+
   memset (sb, 0, sizeof (*sb));
-  return 0;
+  if (vec->stat == NULL)
+    return 0;
+
+  return (vec->stat) (abfd, vec->stream, sb);
 }
 
 static const struct bfd_iovec opncls_iovec = {
@@ -483,7 +520,10 @@ bfd_openr_iovec (const char *filename, const char *target,
                                    file_ptr nbytes,
                                    file_ptr offset),
                 int (*close) (struct bfd *nbfd,
-                              void *stream))
+                              void *stream),
+                int (*stat) (struct bfd *abfd,
+                             void *stream,
+                             struct stat *sb))
 {
   bfd *nbfd;
   const bfd_target *target_vec;
@@ -515,6 +555,7 @@ bfd_openr_iovec (const char *filename, const char *target,
   vec->stream = stream;
   vec->pread = pread;
   vec->close = close;
+  vec->stat = stat;
 
   nbfd->iovec = &opncls_iovec;
   nbfd->iostream = vec;
@@ -1321,6 +1362,7 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
 {
   asection *sect;
   bfd_size_type debuglink_size;
+  flagword flags;
 
   if (abfd == NULL || filename == NULL)
     {
@@ -1339,16 +1381,11 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
       return NULL;
     }
 
-  sect = bfd_make_section (abfd, GNU_DEBUGLINK);
+  flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
+  sect = bfd_make_section_with_flags (abfd, GNU_DEBUGLINK, flags);
   if (sect == NULL)
     return NULL;
 
-  if (! bfd_set_section_flags (abfd, sect,
-                              SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING))
-    /* XXX Should we delete the section from the bfd ?  */
-    return NULL;
-
-
   debuglink_size = strlen (filename) + 1;
   debuglink_size += 3;
   debuglink_size &= ~3;