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varasm.c (do_assemble_alias): Follow transparent alias chain for target.

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gcc/

	* varasm.c (do_assemble_alias): Follow transparent alias
	chain for target.
	(default_assemble_visibility): Follow transparent alias
	chain for decl name.

gcc/testsuite/

	* gcc.target/i386/chkp-hidden-def.c: New.

From-SVN: r220391
This commit is contained in:
Ilya Enkovich 2015-02-04 08:26:49 +00:00 committed by Ilya Enkovich
parent cc9ef6a641
commit 283b44f96a
4 changed files with 32 additions and 3 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2015-02-04 Ilya Enkovich <ilya.enkovich@intel.com>
* varasm.c (do_assemble_alias): Follow transparent alias
chain for target.
(default_assemble_visibility): Follow transparent alias
chain for decl name.
2015-02-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR middle-end/62103

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2015-02-04 Ilya Enkovich <ilya.enkovich@intel.com>
* gcc.target/i386/chkp-hidden-def.c: New.
2015-02-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR middle-end/62103

15
gcc/testsuite/gcc.target/i386/chkp-hidden-def.c Normal file
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@ -0,0 +1,15 @@
/* { dg-do compile } */
/* { dg-require-effective-target mpx } */
/* { dg-options "-fcheck-pointer-bounds -mmpx -O2" } */
/* { dg-final { scan-assembler-not "test.chkp" } } */
int test (int *p);
extern __typeof (test) test __asm__ ("" "__test") __attribute__ ((visibility ("hidden")));
int test (int *p)
{
return *p;
}
extern __typeof (test) __test1 __asm__("" "test");
extern __typeof (test) __test1 __attribute__((alias ("" "__test")));

9
gcc/varasm.c
View File

@ -5601,6 +5601,7 @@ do_assemble_alias (tree decl, tree target)
id = DECL_ASSEMBLER_NAME (decl);
ultimate_transparent_alias_target (&id);
ultimate_transparent_alias_target (&target);
/* We must force creation of DECL_RTL for debug info generation, even though
we don't use it here. */
@ -5612,8 +5613,6 @@ do_assemble_alias (tree decl, tree target)
if (lookup_attribute ("weakref", DECL_ATTRIBUTES (decl)))
{
ultimate_transparent_alias_target (&target);
if (!TREE_SYMBOL_REFERENCED (target))
weakref_targets = tree_cons (decl, target, weakref_targets);
@ -5944,8 +5943,12 @@ default_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
};
const char *name, *type;
tree id;
id = DECL_ASSEMBLER_NAME (decl);
ultimate_transparent_alias_target (&id);
name = IDENTIFIER_POINTER (id);
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
type = visibility_types[vis];
fprintf (asm_out_file, "\t.%s\t", type);