Change wrap buffering to use a std::string

[deliverable/binutils-gdb.git] / gdb / solib-frv.c

diff --git a/gdb/solib-frv.c b/gdb/solib-frv.c
index e11de253b06a656c5eb1f1c97c9288403950198d..6ebc6d4b520e58cf921656395b6bdadbaf7cecad 100644 (file)
--- a/gdb/solib-frv.c
+++ b/gdb/solib-frv.c
@@ -1,5 +1,5 @@
 /* Handle FR-V (FDPIC) shared libraries for GDB, the GNU Debugger.
-   Copyright (C) 2004-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -204,13 +204,19 @@ struct ext_link_map
 
 struct lm_info_frv : public lm_info_base
 {
+  ~lm_info_frv ()
+  {
+    xfree (this->map);
+    xfree (this->dyn_syms);
+    xfree (this->dyn_relocs);
+  }
 
   /* The loadmap, digested into an easier to use form.  */
-  struct int_elf32_fdpic_loadmap *map;
+  int_elf32_fdpic_loadmap *map = NULL;
   /* The GOT address for this link map entry.  */
-  CORE_ADDR got_value;
+  CORE_ADDR got_value = 0;
   /* The link map address, needed for frv_fetch_objfile_link_map().  */
-  CORE_ADDR lm_addr;
+  CORE_ADDR lm_addr = 0;
 
   /* Cached dynamic symbol table and dynamic relocs initialized and
      used only by find_canonical_descriptor_in_load_object().
@@ -222,10 +228,9 @@ struct lm_info_frv : public lm_info_base
      supplied to the first call.  Thus the caching of the dynamic
      symbols (dyn_syms) is critical for correct operation.  The
      caching of the dynamic relocations could be dispensed with.  */
-  asymbol **dyn_syms;
-  arelent **dyn_relocs;
-  int dyn_reloc_count; /* Number of dynamic relocs.  */
-
+  asymbol **dyn_syms = NULL;
+  arelent **dyn_relocs = NULL;
+  int dyn_reloc_count = 0;     /* Number of dynamic relocs.  */
 };
 
 /* The load map, got value, etc. are not available from the chain
@@ -241,7 +246,7 @@ static int enable_break2 (void);
 /* Implement the "open_symbol_file_object" target_so_ops method.  */
 
 static int
-open_symbol_file_object (void *from_ttyp)
+open_symbol_file_object (int from_tty)
 {
   /* Unimplemented.  */
   return 0;
@@ -372,7 +377,7 @@ frv_current_sos (void)
       if (got_addr != mgot)
        {
          int errcode;
-         char *name_buf;
+         gdb::unique_xmalloc_ptr<char> name_buf;
          struct int_elf32_fdpic_loadmap *loadmap;
          struct so_list *sop;
          CORE_ADDR addr;
@@ -390,7 +395,7 @@ frv_current_sos (void)
            }
 
          sop = XCNEW (struct so_list);
-         lm_info_frv *li = XCNEW (lm_info_frv);
+         lm_info_frv *li = new lm_info_frv;
          sop->lm_info = li;
          li->map = loadmap;
          li->got_value = got_addr;
@@ -404,16 +409,16 @@ frv_current_sos (void)
 
          if (solib_frv_debug)
            fprintf_unfiltered (gdb_stdlog, "current_sos: name = %s\n",
-                               name_buf);
+                               name_buf.get ());
          
          if (errcode != 0)
            warning (_("Can't read pathname for link map entry: %s."),
                     safe_strerror (errcode));
          else
            {
-             strncpy (sop->so_name, name_buf, SO_NAME_MAX_PATH_SIZE - 1);
+             strncpy (sop->so_name, name_buf.get (),
+                      SO_NAME_MAX_PATH_SIZE - 1);
              sop->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
-             xfree (name_buf);
              strcpy (sop->so_original_name, sop->so_name);
            }
 
@@ -764,8 +769,6 @@ frv_relocate_main_executable (void)
   int status;
   CORE_ADDR exec_addr, interp_addr;
   struct int_elf32_fdpic_loadmap *ldm;
-  struct cleanup *old_chain;
-  struct section_offsets *new_offsets;
   int changed;
   struct obj_section *osect;
 
@@ -783,14 +786,12 @@ frv_relocate_main_executable (void)
   if (ldm == NULL)
     error (_("Unable to load the executable's loadmap."));
 
-  if (main_executable_lm_info)
-    xfree (main_executable_lm_info);
-  main_executable_lm_info = XCNEW (lm_info_frv);
+  delete main_executable_lm_info;
+  main_executable_lm_info = new lm_info_frv;
   main_executable_lm_info->map = ldm;
 
-  new_offsets = XCNEWVEC (struct section_offsets,
-                         symfile_objfile->num_sections);
-  old_chain = make_cleanup (xfree, new_offsets);
+  gdb::unique_xmalloc_ptr<struct section_offsets> new_offsets
+    (XCNEWVEC (struct section_offsets, symfile_objfile->num_sections));
   changed = 0;
 
   ALL_OBJFILE_OSECTIONS (symfile_objfile, osect)
@@ -824,9 +825,7 @@ frv_relocate_main_executable (void)
     }
 
   if (changed)
-    objfile_relocate (symfile_objfile, new_offsets);
-
-  do_cleanups (old_chain);
+    objfile_relocate (symfile_objfile, new_offsets.get ());
 
   /* Now that symfile_objfile has been relocated, we can compute the
      GOT value and stash it away.  */
@@ -859,14 +858,9 @@ frv_clear_solib (void)
   lm_base_cache = 0;
   enable_break2_done = 0;
   main_lm_addr = 0;
-  if (main_executable_lm_info != 0)
-    {
-      xfree (main_executable_lm_info->map);
-      xfree (main_executable_lm_info->dyn_syms);
-      xfree (main_executable_lm_info->dyn_relocs);
-      xfree (main_executable_lm_info);
-      main_executable_lm_info = 0;
-    }
+
+  delete main_executable_lm_info;
+  main_executable_lm_info = NULL;
 }
 
 static void
@@ -874,10 +868,7 @@ frv_free_so (struct so_list *so)
 {
   lm_info_frv *li = (lm_info_frv *) so->lm_info;
 
-  xfree (li->map);
-  xfree (li->dyn_syms);
-  xfree (li->dyn_relocs);
-  xfree (li);
+  delete li;
 }
 
 static void
@@ -1157,9 +1148,6 @@ frv_fetch_objfile_link_map (struct objfile *objfile)
 
 struct target_so_ops frv_so_ops;
 
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern initialize_file_ftype _initialize_frv_solib;
-
 void
 _initialize_frv_solib (void)
 {