Remove a legacy lto-symtab.c file.

2019-02-26  Martin Liska  <mliska@suse.cz>

	* lto-symtab.c: Remove.

From-SVN: r269220

2 files changed, 4 insertions, 359 deletions

diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index f450efa0d2b..8ddccbecf38 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -1,3 +1,7 @@
+2019-02-26  Martin Liska  <mliska@suse.cz>
+
+	* lto-symtab.c: Remove.
+
 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.
diff --git a/lto-plugin/lto-symtab.c b/lto-plugin/lto-symtab.c
deleted file mode 100644
index 22b3af6027b..00000000000
--- a/lto-plugin/lto-symtab.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/* Program to read the IL symbol table.
-   Copyright (C) 2008-2019 Free Software Foundation, Inc.
-   Contributed by Rafael Avila de Espindola (espindola@google.com).
-
-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 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-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.  */
-
-#include <fcntl.h>
-#include <assert.h>
-#include <dlfcn.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "plugin-api.h"
-#include "../gcc/lto/common.h"
-
-/* The presence of gelf.h is checked by the toplevel configure script.  */
-# include <gelf.h>
-
-static ld_plugin_claim_file_handler claim_file_handler;
-static ld_plugin_all_symbols_read_handler all_symbols_read_handler;
-static ld_plugin_cleanup_handler cleanup_handler;
-static void *plugin_handle;
-
-struct file_handle {
-  unsigned nsyms;
-  struct ld_plugin_symbol *syms;
-};
-
-static struct file_handle **all_file_handles = NULL;
-static unsigned int num_file_handles;
-
-/* Write NSYMS symbols from file HANDLE in SYMS. */
-
-static enum ld_plugin_status
-get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
-{
-  unsigned i;
-  struct file_handle *h = (struct file_handle *) handle;
-  assert (h->nsyms == nsyms);
-
-  for (i = 0; i < nsyms; i++)
-    syms[i] = h->syms[i];
-
-  return LDPS_OK;
-}
-
-/* Register HANDLER as the callback for notifying the plugin that all symbols
-   have been read. */
-
-static enum ld_plugin_status
-register_all_symbols_read (ld_plugin_all_symbols_read_handler handler)
-{
-  all_symbols_read_handler = handler;
-  return LDPS_OK;
-}
-
-/* Register HANDLER as the callback for claiming a file. */
-
-static enum ld_plugin_status
-register_claim_file(ld_plugin_claim_file_handler handler)
-{
-  claim_file_handler = handler;
-  return LDPS_OK;
-}
-
-/* Register HANDLER as the callback to removing temporary files. */
-
-static enum ld_plugin_status
-register_cleanup (ld_plugin_cleanup_handler handler)
-{
-  cleanup_handler = handler;
-  return LDPS_OK;
-}
-
-/* For a file identified by HANDLE, add NSYMS symbols from SYMS. */
-
-static enum ld_plugin_status
-add_symbols (void *handle, int nsyms,
-	     const struct ld_plugin_symbol *syms)
-{
-  int i;
-  struct file_handle *h = (struct file_handle *) handle;
-  h->nsyms = nsyms;
-  h->syms = calloc (nsyms, sizeof (struct ld_plugin_symbol));
-  assert (h->syms);
-
-  for (i = 0; i < nsyms; i++)
-    {
-      h->syms[i] = syms[i];
-      h->syms[i].name = strdup (h->syms[i].name);
-      if (h->syms[i].version)
-	h->syms[i].version = strdup (h->syms[i].version);
-      if (h->syms[i].comdat_key)
-	h->syms[i].comdat_key = strdup (h->syms[i].comdat_key);
-    }
-
-  return LDPS_OK;
-}
-
-struct ld_plugin_tv tv[] = {
-  {LDPT_REGISTER_CLAIM_FILE_HOOK,
-   {.tv_register_claim_file = register_claim_file}
-  },
-  {LDPT_ADD_SYMBOLS,
-   {.tv_add_symbols = add_symbols}
-  },
-
-  {LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK,
-   {.tv_register_all_symbols_read = register_all_symbols_read}
-  },
-  {LDPT_GET_SYMBOLS,
-   {.tv_get_symbols = get_symbols}
-  },
-  {LDPT_REGISTER_CLEANUP_HOOK,
-   {.tv_register_cleanup = register_cleanup}
-  },
-  {0, {0}}
-};
-
-/* Load a plugin from a file named NAME. */
-
-static void
-load_plugin (const char *name)
-{
-  ld_plugin_onload onload;
-  plugin_handle = dlopen (name, RTLD_LAZY);
-
-  assert (plugin_handle != NULL);
-  onload = dlsym (plugin_handle, "onload");
-  assert (onload);
-  onload (tv);
-  assert (claim_file_handler);
-}
-
-/* Send object to the plugin. The file (archive or object) name is NAME.
-   FD is an open file descriptor. The object data starts at OFFSET and is
-   FILESIZE bytes long. */
-
-static void
-register_object (const char *name, int fd, off_t offset, off_t filesize)
-{
-  int claimed;
-  struct ld_plugin_input_file file;
-  void *handle;
-
-  num_file_handles++;
-  all_file_handles = realloc (all_file_handles, num_file_handles
-			      * sizeof (struct file_handle *));
-  assert (all_file_handles);
-
-  all_file_handles[num_file_handles - 1] = calloc (1,
-						   sizeof (struct file_handle));
-  handle = all_file_handles[num_file_handles - 1];
-  assert (handle);
-
-  file.name = (char *) name;
-  file.fd = fd;
-  file.offset = offset;
-  file.filesize = filesize;
-
-  file.handle = handle;
-
-  claim_file_handler (&file, &claimed);
-}
-
-/* Send file named NAME to the plugin. */
-
-static void
-register_file (const char *name)
-{
- int fd = open (name, O_RDONLY);
- Elf *elf;
-
- assert (fd >= 0);
-
- elf = elf_begin (fd, ELF_C_READ, NULL);
- assert (elf);
-
- Elf_Kind kind = elf_kind (elf);
-
- assert (kind == ELF_K_ELF || kind == ELF_K_AR);
-
- if (kind == ELF_K_AR)
-   {
-     Elf *member = elf_begin (fd, ELF_C_READ, elf);
-     while (member)
-       {
-	 Elf_Arhdr *h = elf_getarhdr (member);
-	 assert (h);
-
-	 if (h->ar_name[0] != '/')
-	   {
-	     off_t offset = elf_getbase (member);
-	     register_object (name, fd, offset, h->ar_size);
-	   }
-
-	 Elf_Cmd cmd = elf_next (member);
-	 elf_end (member);
-	 member = elf_begin (fd, cmd, elf);
-       }
-   }
- else /* Single File */
-   register_object (name, fd, 0, 0);
-
- elf_end (elf);
-}
-
-/* Fake symbol resolution for testing. */
-
-static void
-resolve (void)
-{
-  unsigned j;
-  for (j = 0; j < num_file_handles; j++)
-    {
-      struct file_handle *handle = all_file_handles[j];
-      unsigned int nsyms = handle->nsyms;
-      struct ld_plugin_symbol *syms = handle->syms;
-      unsigned i;
-      for (i = 0; i < nsyms; i++)
-	{
-	  switch (syms[i].def)
-	    {
-	    case LDPK_DEF:
-	    case LDPK_WEAKDEF:
-	    case LDPK_COMMON:
-	      syms[i].resolution =  LDPR_PREVAILING_DEF;
-	      break;
-	    case LDPK_UNDEF:
-	    case LDPK_WEAKUNDEF:
-	      syms[i].resolution =  LDPR_RESOLVED_IR;
-	      break;
-	    }
-	}
-    }
-}
-
-/* Print all symbol information. */
-
-static void
-print (void)
-{
-  unsigned j;
-  for (j = 0; j < num_file_handles; j++)
-    {
-      struct file_handle *handle = all_file_handles[j];
-      unsigned int nsyms = handle->nsyms;
-      struct ld_plugin_symbol *syms = handle->syms;
-      unsigned i;
-      for (i = 0; i < nsyms; i++)
-	{
-	  printf("name: %s; ", syms[i].name);
-	  if (syms[i].version)
-	     printf("version: %s;", syms[i].version);
-	  else
-	    printf("not versioned; ");
-	  printf("kind: %s; ", lto_kind_str[syms[i].def]);
-	  printf("visibility: %s; ", lto_visibility_str[syms[i].visibility]);
-	  printf("size: %" PRId64 "; ", syms[i].size);
-	  if (syms[i].comdat_key)
-	    printf("comdat_key: %s; ", syms[i].comdat_key);
-	  else
-	    printf("no comdat_key; ");
-	  printf ("resolution: %s\n", lto_resolution_str[syms[i].resolution]);
-	}
-    }
-}
-
-/* Unload the plugin. */
-
-static void
-unload_plugin (void)
-{
-  unsigned err = dlclose (plugin_handle);
-  assert (err == 0);
-  claim_file_handler = 0;
-  all_symbols_read_handler = 0;
-}
-
-/* Free all memory allocated by us that hasn't been freed yet. */
-
-static void
-free_all (void)
-{
-  unsigned j;
-  for (j = 0; j < num_file_handles; j++)
-    {
-      struct file_handle *handle = all_file_handles[j];
-      unsigned int nsyms = handle->nsyms;
-      struct ld_plugin_symbol *syms = handle->syms;
-      unsigned i;
-      for (i = 0; i < nsyms; i++)
-	{
-	  free (syms[i].name);
-	  syms[i].name = 0;
-	  if (syms[i].version)
-	    {
-	      free (syms[i].version);
-	      syms[i].version = 0;
-	    }
-	  if (syms[i].comdat_key)
-	    {
-	      free (syms[i].comdat_key);
-	      syms[i].comdat_key = 0;
-	    }
-	}
-      free (syms);
-      handle->syms = NULL;
-      handle->nsyms = 0;
-      free (all_file_handles[j]);
-      all_file_handles[j] = NULL;
-    }
-
-  free (all_file_handles);
-  all_file_handles = NULL;
-  num_file_handles = 0;
-}
-
-int
-main(int argc, char *argv[])
-{
-  const char *plugin;
-  unsigned int i;
-  assert (argc >= 3);
-  plugin = argv[1];
-
-  load_plugin (plugin);
-
-  for (i = 2; i < argc; i++)
-    register_file (argv[i]);
-
-  resolve ();
-
-  print ();
-
-  all_symbols_read_handler ();
-
-  free_all ();
-
-  cleanup_handler ();
-
-  unload_plugin ();
-
-  return 0;
-}