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(assemble_variable): Likewise. 

From-SVN: r6819
This commit is contained in:
Jim Wilson 1994-03-18 15:31:17 -08:00
parent bdfd4e3106
commit 07aeab22c0
1 changed files with 17 additions and 0 deletions
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17
gcc/varasm.c
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@ -1142,11 +1142,22 @@ assemble_variable (decl, top_level, at_end, dont_output_data)
named_section (TREE_STRING_POINTER (DECL_SECTION_NAME (decl)));
else
{
/* C++ can have const variables that get initialized from constructors,
and thus can not be in a readonly section. We prevent this by
verifying that the initial value is constant for objects put in a
readonly section.
error_mark_node is used by the C front end to indicate that the
initializer has not been seen yet. In this case, we assume that
the initializer must be constant. */
#ifdef SELECT_SECTION
SELECT_SECTION (decl, reloc);
#else
if (TREE_READONLY (decl)
&& ! TREE_THIS_VOLATILE (decl)
&& DECL_INITIAL (decl)
&& (DECL_INITIAL (decl) == error_mark_node
|| TREE_CONSTANT (DECL_INITIAL (decl)))
&& ! (flag_pic && reloc))
readonly_data_section ();
else
@ -1194,6 +1205,9 @@ assemble_variable (decl, top_level, at_end, dont_output_data)
#else
if (TREE_READONLY (decl)
&& ! TREE_THIS_VOLATILE (decl)
&& DECL_INITIAL (decl)
&& (DECL_INITIAL (decl) == error_mark_node
|| TREE_CONSTANT (DECL_INITIAL (decl)))
&& ! (flag_pic && reloc))
readonly_data_section ();
else
@ -1289,6 +1303,9 @@ assemble_variable (decl, top_level, at_end, dont_output_data)
#else
if (TREE_READONLY (decl)
&& ! TREE_THIS_VOLATILE (decl)
&& DECL_INITIAL (decl)
&& (DECL_INITIAL (decl) == error_mark_node
|| TREE_CONSTANT (DECL_INITIAL (decl)))
&& ! (flag_pic && reloc))
readonly_data_section ();
else