Change sources over to using GPLv3

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

diff --git a/bfd/opncls.c b/bfd/opncls.c
index 68a2f3cd11625f654aac0cdfe802c8685721efac..01c8889b24dede1112f8df0359cf0eb08e69fe52 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,
 /* 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, 2007

    Free Software Foundation, Inc.
 
    Written by Cygnus Support.
    Free Software Foundation, Inc.
 
    Written by Cygnus Support.


@@ -9,7 +9,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This program 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 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

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


@@ -19,10 +19,11 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software

-   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */

 
 

-#include "bfd.h"

 #include "sysdep.h"
 #include "sysdep.h"

+#include "bfd.h"

 #include "objalloc.h"
 #include "libbfd.h"
 #include "libiberty.h"
 #include "objalloc.h"
 #include "libbfd.h"
 #include "libiberty.h"


@@ -71,7 +72,7 @@ _bfd_new_bfd (void)
   nbfd->iostream = NULL;
   nbfd->where = 0;
   if (!bfd_hash_table_init_n (& nbfd->section_htab, bfd_section_hash_newfunc,
   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;
     {
       free (nbfd);
       return NULL;


@@ -115,11 +116,35 @@ _bfd_new_bfd_contained_in (bfd *obfd)
 void
 _bfd_delete_bfd (bfd *abfd)
 {
 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 (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
 /*
 SECTION
        Opening and closing BFDs


@@ -175,7 +200,7 @@ bfd_fopen (const char *filename, const char *target, const char *mode, int fd)
     nbfd->iostream = fdopen (fd, mode);
   else
 #endif
     nbfd->iostream = fdopen (fd, mode);
   else
 #endif

-    nbfd->iostream = fopen (filename, mode);
+    nbfd->iostream = real_fopen (filename, mode);

   if (nbfd->iostream == NULL)
     {
       bfd_set_error (bfd_error_system_call);
   if (nbfd->iostream == NULL)
     {
       bfd_set_error (bfd_error_system_call);


@@ -360,7 +385,10 @@ SYNOPSIS
                                                  file_ptr nbytes,
                                                  file_ptr offset),
                               int (*close) (struct bfd *nbfd,
                                                  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
 
 
 DESCRIPTION
 


@@ -387,6 +415,10 @@ DESCRIPTION
        <<bfd_close>>.  @var{close} either succeeds returning 0, or
        fails returning -1 (setting <<bfd_error>>).
 
        <<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>>.
        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 +431,7 @@ 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);
   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;
 };
 
   file_ptr where;
 };
 


@@ -461,10 +494,15 @@ opncls_bflush (struct bfd *abfd ATTRIBUTE_UNUSED)
 }
 
 static int
 }
 
 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));
   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 = {
 }
 
 static const struct bfd_iovec opncls_iovec = {


@@ -483,7 +521,10 @@ bfd_openr_iovec (const char *filename, const char *target,
                                    file_ptr nbytes,
                                    file_ptr offset),
                 int (*close) (struct bfd *nbfd,
                                    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;
 {
   bfd *nbfd;
   const bfd_target *target_vec;


@@ -515,6 +556,7 @@ bfd_openr_iovec (const char *filename, const char *target,
   vec->stream = stream;
   vec->pread = pread;
   vec->close = close;
   vec->stream = stream;
   vec->pread = pread;
   vec->close = close;

+  vec->stat = stat;

 
   nbfd->iovec = &opncls_iovec;
   nbfd->iostream = vec;
 
   nbfd->iovec = &opncls_iovec;
   nbfd->iostream = vec;


@@ -1321,6 +1363,7 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
 {
   asection *sect;
   bfd_size_type debuglink_size;
 {
   asection *sect;
   bfd_size_type debuglink_size;

+  flagword flags;

 
   if (abfd == NULL || filename == NULL)
     {
 
   if (abfd == NULL || filename == NULL)
     {


@@ -1339,16 +1382,11 @@ bfd_create_gnu_debuglink_section (bfd *abfd, const char *filename)
       return NULL;
     }
 
       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 (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;
   debuglink_size = strlen (filename) + 1;
   debuglink_size += 3;
   debuglink_size &= ~3;


@@ -1407,7 +1445,7 @@ bfd_fill_in_gnu_debuglink_section (bfd *abfd,
      .gnu_debuglink section, we insist upon the user providing us with a
      correct-for-section-creation-time path, but this need not conform to
      the gdb location algorithm.  */
      .gnu_debuglink section, we insist upon the user providing us with a
      correct-for-section-creation-time path, but this need not conform to
      the gdb location algorithm.  */

-  handle = fopen (filename, FOPEN_RB);
+  handle = real_fopen (filename, FOPEN_RB);

   if (handle == NULL)
     {
       bfd_set_error (bfd_error_system_call);
   if (handle == NULL)
     {
       bfd_set_error (bfd_error_system_call);