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-rw-r--r--ld/ldexp.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/ld/ldexp.c b/ld/ldexp.c
index 4ca812e..e123f0e 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -1523,10 +1523,26 @@ exp_get_vma (etree_type *tree, bfd_vma def, char *name)
return def;
}
+/* Return the smallest non-negative integer such that two raised to
+ that power is at least as large as the vma evaluated at TREE, if
+ TREE is a non-NULL expression that can be resolved. If TREE is
+ NULL or cannot be resolved, return -1. */
+
int
-exp_get_value_int (etree_type *tree, int def, char *name)
+exp_get_power (etree_type *tree, char *name)
{
- return exp_get_vma (tree, def, name);
+ bfd_vma x = exp_get_vma (tree, -1, name);
+ bfd_vma p2;
+ int n;
+
+ if (x == (bfd_vma) -1)
+ return -1;
+
+ for (n = 0, p2 = 1; p2 < x; ++n, p2 <<= 1)
+ if (p2 == 0)
+ break;
+
+ return n;
}
fill_type *