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varasm.c (weak_decls): Move earlier in the file.

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2008-08-19  Rafael Espindola  <espindola@google.com>

      * varasm.c (weak_decls): Move earlier in the file.
      (assemble_external): Add weak decls to the weak_decls list.
      (declare_weak): Don't add decls to the weak_decls list.

From-SVN: r139233
This commit is contained in:
Rafael Avila de Espindola 2008-08-19 14:11:18 +00:00 • committed by Rafael Espindola
parent b8aaf5063d
commit 21fe7edcee
2 changed files with 14 additions and 10 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-08-19 Rafael Espindola <espindola@google.com>
* varasm.c (weak_decls): Move earlier in the file.
(assemble_external): Add weak decls to the weak_decls list.
(declare_weak): Don't add decls to the weak_decls list.
2008-08-19 H.J. Lu <hongjiu.lu@intel.com>
PR target/37157

18
gcc/varasm.c
View file

@ -2286,6 +2286,10 @@ process_pending_assemble_externals (void)
#endif
}
/* This TREE_LIST contains any weak symbol declarations waiting
to be emitted. */
static GTY(()) tree weak_decls;
/* Output something to declare an external symbol to the assembler.
(Most assemblers don't need this, so we normally output nothing.)
Do nothing if DECL is not external. */
@ -2303,6 +2307,9 @@ assemble_external (tree decl ATTRIBUTE_UNUSED)
if (!DECL_P (decl) || !DECL_EXTERNAL (decl) || !TREE_PUBLIC (decl))
return;
if (SUPPORTS_WEAK && DECL_WEAK (decl))
weak_decls = tree_cons (NULL, decl, weak_decls);
/* We want to output external symbols at very last to check if they
are references or not. */
pending_assemble_externals = tree_cons (0, decl,
@ -4846,10 +4853,6 @@ output_constructor (tree exp, unsigned HOST_WIDE_INT size,
assemble_zeros (size - total_bytes);
}
/* This TREE_LIST contains any weak symbol declarations waiting
to be emitted. */
static GTY(()) tree weak_decls;
/* Mark DECL as weak. */
static void
@ -4942,12 +4945,7 @@ declare_weak (tree decl)
error ("weak declaration of %q+D must be public", decl);
else if (TREE_CODE (decl) == FUNCTION_DECL && TREE_ASM_WRITTEN (decl))
error ("weak declaration of %q+D must precede definition", decl);
else if (SUPPORTS_WEAK)
{
if (! DECL_WEAK (decl))
weak_decls = tree_cons (NULL, decl, weak_decls);
}
else
else if (!SUPPORTS_WEAK)
warning (0, "weak declaration of %q+D not supported", decl);
mark_weak (decl);