diff options
Diffstat (limited to 'ld/ldexp.c')
| -rw-r--r-- | ld/ldexp.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/ld/ldexp.c b/ld/ldexp.c index f70634c5c6..68617d8553 100644 --- a/ld/ldexp.c +++ b/ld/ldexp.c @@ -832,6 +832,8 @@ exp_fold_tree_1 (etree_type *tree) } else { + etree_type *name; + struct bfd_link_hash_entry *h = NULL; if (tree->type.node_class == etree_provide) @@ -849,6 +851,23 @@ exp_fold_tree_1 (etree_type *tree) } } + name = tree->assign.src; + if (name->type.node_class == etree_trinary) + { + exp_fold_tree_1 (name->trinary.cond); + if (expld.result.valid_p) + name = (expld.result.value + ? name->trinary.lhs : name->trinary.rhs); + } + + if (name->type.node_class == etree_name + && name->type.node_code == NAME + && strcmp (tree->assign.dst, name->name.name) == 0) + /* Leave it alone. Do not replace a symbol with its own + output address, in case there is another section sizing + pass. Folding does not preserve input sections. */ + break; + exp_fold_tree_1 (tree->assign.src); if (expld.result.valid_p || (expld.phase == lang_first_phase_enum @@ -876,7 +895,8 @@ exp_fold_tree_1 (etree_type *tree) tree->type.node_class = etree_provided; /* Copy the symbol type if this is a simple assignment of - one symbol to annother. */ + one symbol to another. This could be more general + (e.g. a ?: operator with NAMEs in each branch). */ if (tree->assign.src->type.node_class == etree_name) { struct bfd_link_hash_entry *hsrc; |