MIPS/gas: Fix order of instructions in LI macro expansion

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

diff --git a/bfd/plugin.c b/bfd/plugin.c
index 7c5bba22c70e4276aa17c1c9efc3052b8579924c..376e92cdb3e7117b464e2a5a941486d9a67ddc2d 100644 (file)
--- a/bfd/plugin.c
+++ b/bfd/plugin.c
@@ -1,5 +1,5 @@
 /* Plugin support for BFD.
-   Copyright (C) 2009-2018 Free Software Foundation, Inc.
+   Copyright (C) 2009-2019 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -124,7 +124,7 @@ message (int level ATTRIBUTE_UNUSED,
 }
 
 /* Register a claim-file handler. */
-static ld_plugin_claim_file_handler claim_file;
+static ld_plugin_claim_file_handler claim_file = NULL;
 
 static enum ld_plugin_status
 register_claim_file (ld_plugin_claim_file_handler handler)
@@ -186,8 +186,13 @@ bfd_plugin_open_input (bfd *ibfd, struct ld_plugin_input_file *file)
   if (iobfd == ibfd)
     {
       struct stat stat_buf;
+
       if (fstat (file->fd, &stat_buf))
-       return 0;
+       {
+         close(file->fd);
+         return 0;
+       }
+
       file->offset = 0;
       file->filesize = stat_buf.st_size;
     }
@@ -208,20 +213,30 @@ try_claim (bfd *abfd)
   file.handle = abfd;
   if (!bfd_plugin_open_input (abfd, &file))
     return 0;
-  claim_file (&file, &claimed);
-  if (!claimed)
-    close (file.fd);
+  if (claim_file)
+    claim_file (&file, &claimed);
+  close (file.fd);
   return claimed;
 }
 
+struct plugin_list_entry
+{
+  void *                        handle;
+  ld_plugin_claim_file_handler  claim_file;
+  struct plugin_list_entry *    next;
+};
+
+static struct plugin_list_entry * plugin_list = NULL;
+
 static int
 try_load_plugin (const char *pname, bfd *abfd, int *has_plugin_p)
 {
-  void *plugin_handle;
+  void *plugin_handle = NULL;
   struct ld_plugin_tv tv[4];
   int i;
   ld_plugin_onload onload;
   enum ld_plugin_status status;
+  struct plugin_list_entry *plugin_list_iter;
 
   *has_plugin_p = 0;
 
@@ -232,9 +247,30 @@ try_load_plugin (const char *pname, bfd *abfd, int *has_plugin_p)
       return 0;
     }
 
+  for (plugin_list_iter = plugin_list;
+       plugin_list_iter;
+       plugin_list_iter = plugin_list_iter->next)
+    {
+      if (plugin_handle == plugin_list_iter->handle)
+       {
+         dlclose (plugin_handle);
+         if (!plugin_list_iter->claim_file)
+           return 0;
+
+         register_claim_file (plugin_list_iter->claim_file);
+         goto have_claim_file;
+       }
+    }
+
+  plugin_list_iter = (struct plugin_list_entry *) xmalloc (sizeof *plugin_list_iter);
+  plugin_list_iter->handle = plugin_handle;
+  plugin_list_iter->claim_file = NULL;
+  plugin_list_iter->next = plugin_list;
+  plugin_list = plugin_list_iter;
+
   onload = dlsym (plugin_handle, "onload");
   if (!onload)
-    goto err;
+    return 0;
 
   i = 0;
   tv[i].tv_tag = LDPT_MESSAGE;
@@ -255,24 +291,23 @@ try_load_plugin (const char *pname, bfd *abfd, int *has_plugin_p)
   status = (*onload)(tv);
 
   if (status != LDPS_OK)
-    goto err;
+    return 0;
+
+  plugin_list_iter->claim_file = claim_file;
 
+have_claim_file:
   *has_plugin_p = 1;
 
   abfd->plugin_format = bfd_plugin_no;
 
   if (!claim_file)
-    goto err;
+    return 0;
 
   if (!try_claim (abfd))
-    goto err;
+    return 0;
 
   abfd->plugin_format = bfd_plugin_yes;
-
   return 1;
-
- err:
-  return 0;
 }
 
 /* There may be plugin libraries in lib/bfd-plugins.  */
@@ -362,7 +397,7 @@ load_plugin (bfd *abfd)
       int valid_plugin;
 
       full_name = concat (p, "/", ent->d_name, NULL);
-      if (stat(full_name, &s) == 0 && S_ISREG (s.st_mode))
+      if (stat (full_name, &s) == 0 && S_ISREG (s.st_mode))
        found = try_load_plugin (full_name, abfd, &valid_plugin);
       if (has_plugin <= 0)
        has_plugin = valid_plugin;
@@ -495,13 +530,13 @@ bfd_plugin_canonicalize_symtab (bfd *abfd,
   struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data;
   long nsyms = plugin_data->nsyms;
   const struct ld_plugin_symbol *syms = plugin_data->syms;
-  static asection fake_section;
-  static asection fake_common_section;
+  static asection fake_section
+    = BFD_FAKE_SECTION (fake_section, NULL, "plug", 0,
+                       SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS);
+  static asection fake_common_section
+    = BFD_FAKE_SECTION (fake_common_section, NULL, "plug", 0, SEC_IS_COMMON);
   int i;
 
-  fake_section.name = ".text";
-  fake_common_section.flags = SEC_IS_COMMON;
-
   for (i = 0; i < nsyms; i++)
     {
       asymbol *s = bfd_alloc (abfd, sizeof (asymbol));