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re PR lto/79061 ([LTO][ASAN] LTO plus ASAN fails with "AddressSanitizer: initialization-order-fiasco")

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PR lto/79061

gcc/

	* asan.c (get_translation_unit_decl): New function.
	(asan_add_global): Extract modules file name from globals
	TRANSLATION_UNIT_DECL name.

gcc/fortran/

	* f95-lang.c (gfc_create_decls): Include stringpool.h.
	Pass main_input_filename to build_translation_unit_decl.

gcc/ada/

	* gcc-interface/utils.c (get_global_context): Pass main_input_filename
	to build_translation_unit_decl.

gcc/c/

	* c-decl.c (pop_scope): Pass main_input_filename to
	build_translation_unit_decl.

gcc/cp/

	* decl.c (cxx_init_decl_processing): Pass main_input_filename
	to build_translation_unit_decl.

From-SVN: r244890
This commit is contained in:
Maxim Ostapenko 2017-01-25 07:45:40 +00:00 • committed by Maxim Ostapenko
parent 98e2075846
commit e5e391d630
10 changed files with 64 additions and 5 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2017-01-25 Maxim Ostapenko <m.ostapenko@samsung.com>
PR lto/79061
* asan.c (get_translation_unit_decl): New function.
(asan_add_global): Extract modules file name from globals
TRANSLATION_UNIT_DECL name.
2017-01-24 Eric Botcazou <ebotcazou@adacore.com>
PR target/77439

6
gcc/ada/ChangeLog
View file

@ -1,3 +1,9 @@
2017-01-25 Maxim Ostapenko <m.ostapenko@samsung.com>
PR lto/79061
* gcc-interface/utils.c (get_global_context): Pass main_input_filename
to build_translation_unit_decl.
2017-01-23 Javier Miranda <miranda@adacore.com>
* sem_util.adb (New_Copy_Tree): Code cleanup:

3
gcc/ada/gcc-interface/utils.c
View file

@ -666,7 +666,8 @@ get_global_context (void)
{
if (!global_context)
{
global_context = build_translation_unit_decl (NULL_TREE);
global_context
= build_translation_unit_decl (get_identifier (main_input_filename));
debug_hooks->register_main_translation_unit (global_context);
}

25
gcc/asan.c
View file

@ -2373,6 +2373,22 @@ asan_needs_odr_indicator_p (tree decl)
&& TREE_PUBLIC (decl));
}
/* For given DECL return its corresponding TRANSLATION_UNIT_DECL. */
static const_tree
get_translation_unit_decl (tree decl)
{
const_tree context = decl;
while (context && TREE_CODE (context) != TRANSLATION_UNIT_DECL)
{
if (TREE_CODE (context) == BLOCK)
context = BLOCK_SUPERCONTEXT (context);
else
context = get_containing_scope (context);
}
return context;
}
/* Append description of a single global DECL into vector V.
TYPE is __asan_global struct type as returned by asan_global_struct. */
@ -2392,7 +2408,14 @@ asan_add_global (tree decl, tree type, vec<constructor_elt, va_gc> *v)
pp_string (&asan_pp, "<unknown>");
str_cst = asan_pp_string (&asan_pp);
pp_string (&module_name_pp, main_input_filename);
const char *filename = main_input_filename;
if (in_lto_p)
{
const_tree translation_unit_decl = get_translation_unit_decl (decl);
if (translation_unit_decl && DECL_NAME (translation_unit_decl) != NULL)
filename = IDENTIFIER_POINTER (DECL_NAME (translation_unit_decl));
}
pp_string (&module_name_pp, filename);
module_name_cst = asan_pp_string (&module_name_pp);
if (asan_needs_local_alias (decl))

6
gcc/c/ChangeLog
View file

@ -1,3 +1,9 @@
2017-01-25 Maxim Ostapenko <m.ostapenko@samsung.com>
PR lto/79061
* c-decl.c (pop_scope): Pass main_input_filename to
build_translation_unit_decl.
2017-01-24 David Malcolm <dmalcolm@redhat.com>
* c-parser.c: Include "read-rtl-function.h" and

3
gcc/c/c-decl.c
View file

@ -1177,7 +1177,8 @@ pop_scope (void)
context = current_function_decl;
else if (scope == file_scope)
{
tree file_decl = build_translation_unit_decl (NULL_TREE);
tree file_decl
= build_translation_unit_decl (get_identifier (main_input_filename));
context = file_decl;
debug_hooks->register_main_translation_unit (file_decl);
}

6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2017-01-25 Maxim Ostapenko <m.ostapenko@samsung.com>
PR lto/79061
* decl.c (cxx_init_decl_processing): Pass main_input_filename
to build_translation_unit_decl.
2017-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/79205

3
gcc/cp/decl.c
View file

@ -4071,7 +4071,8 @@ cxx_init_decl_processing (void)
gcc_assert (global_namespace == NULL_TREE);
global_namespace = build_lang_decl (NAMESPACE_DECL, global_scope_name,
void_type_node);
DECL_CONTEXT (global_namespace) = build_translation_unit_decl (NULL_TREE);
DECL_CONTEXT (global_namespace)
= build_translation_unit_decl (get_identifier (main_input_filename));
debug_hooks->register_main_translation_unit
(DECL_CONTEXT (global_namespace));
TREE_PUBLIC (global_namespace) = 1;

6
gcc/fortran/ChangeLog
View file

@ -1,3 +1,9 @@
2017-01-25 Maxim Ostapenko <m.ostapenko@samsung.com>
PR lto/79061
* f95-lang.c (gfc_create_decls): Include stringpool.h.
Pass main_input_filename to build_translation_unit_decl.
2017-01-23 Thomas Koenig <tkoenig@netcologne.de>
* arith.c (arith_power): If simplifying integer power expression

4
gcc/fortran/f95-lang.c
View file

@ -30,6 +30,7 @@ along with GCC; see the file COPYING3. If not see
#include "tree.h"
#include "gfortran.h"
#include "trans.h"
#include "stringpool.h"
#include "diagnostic.h" /* For errorcount/warningcount */
#include "langhooks.h"
#include "langhooks-def.h"
@ -190,7 +191,8 @@ gfc_create_decls (void)
gfc_init_constants ();
/* Build our translation-unit decl. */
current_translation_unit = build_translation_unit_decl (NULL_TREE);
current_translation_unit
= build_translation_unit_decl (get_identifier (main_input_filename));
debug_hooks->register_main_translation_unit (current_translation_unit);
}