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-rw-r--r--ld/ldexp.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/ld/ldexp.c b/ld/ldexp.c
index 57968a2..103b615 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -48,6 +48,8 @@ static bfd_vma align_n
struct exp_data_seg exp_data_seg;
+segment_type *segments;
+
/* Print the string representation of the given token. Surround it
with spaces if INFIX_P is TRUE. */
@@ -102,7 +104,8 @@ exp_print_token (token_code_type code, int infix_p)
{ REL, "relocatable" },
{ DATA_SEGMENT_ALIGN, "DATA_SEGMENT_ALIGN" },
{ DATA_SEGMENT_RELRO_END, "DATA_SEGMENT_RELRO_END" },
- { DATA_SEGMENT_END, "DATA_SEGMENT_END" }
+ { DATA_SEGMENT_END, "DATA_SEGMENT_END" },
+ { SEGMENT_START, "SEGMENT_START" }
};
unsigned int idx;
@@ -305,7 +308,27 @@ fold_binary (etree_type *tree,
result = exp_fold_tree (tree->binary.lhs, current_section,
allocation_done, dot, dotp);
- if (result.valid_p)
+
+ /* The SEGMENT_START operator is special because its first
+ operand is a string, not the name of a symbol. */
+ if (result.valid_p && tree->type.node_code == SEGMENT_START)
+ {
+ const char *segment_name;
+ segment_type *seg;
+ /* Check to see if the user has overridden the default
+ value. */
+ segment_name = tree->binary.rhs->name.name;
+ for (seg = segments; seg; seg = seg->next)
+ if (strcmp (seg->name, segment_name) == 0)
+ {
+ seg->used = TRUE;
+ result.value = seg->value;
+ result.str = NULL;
+ result.section = NULL;
+ break;
+ }
+ }
+ else if (result.valid_p)
{
etree_value_type other;