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-rw-r--r--ld/emultempl/lnk960.em66
1 files changed, 62 insertions, 4 deletions
diff --git a/ld/emultempl/lnk960.em b/ld/emultempl/lnk960.em
index 7120329..e556d43 100644
--- a/ld/emultempl/lnk960.em
+++ b/ld/emultempl/lnk960.em
@@ -130,15 +130,73 @@ lnk960_after_parse (void)
add_on (syslib_list, lang_input_file_is_search_file_enum);
}
+/* Create a symbol with the given name with the value of the
+ address of first byte of the section named.
+
+ If the symbol already exists, then do nothing. */
+
+static void
+symbol_at_beginning_of (const char *secname, const char *name)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, name, TRUE, TRUE, TRUE);
+ if (h == NULL)
+ einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
+
+ if (h->type == bfd_link_hash_new
+ || h->type == bfd_link_hash_undefined)
+ {
+ asection *sec;
+
+ h->type = bfd_link_hash_defined;
+
+ sec = bfd_get_section_by_name (link_info.output_bfd, secname);
+ if (sec == NULL)
+ sec = bfd_abs_section_ptr;
+ h->u.def.value = 0;
+ h->u.def.section = sec;
+ }
+}
+
+/* Create a symbol with the given name with the value of the
+ address of the first byte after the end of the section named.
+
+ If the symbol already exists, then do nothing. */
+
+static void
+symbol_at_end_of (const char *secname, const char *name)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, name, TRUE, TRUE, TRUE);
+ if (h == NULL)
+ einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
+
+ if (h->type == bfd_link_hash_new
+ || h->type == bfd_link_hash_undefined)
+ {
+ asection *sec;
+
+ h->type = bfd_link_hash_defined;
+
+ sec = bfd_get_section_by_name (link_info.output_bfd, secname);
+ if (sec == NULL)
+ sec = bfd_abs_section_ptr;
+ h->u.def.value = sec->size;
+ h->u.def.section = sec;
+ }
+}
+
static void
lnk960_after_allocation (void)
{
if (!link_info.relocatable)
{
- lang_abs_symbol_at_end_of (".text", "_etext");
- lang_abs_symbol_at_end_of (".data", "_edata");
- lang_abs_symbol_at_beginning_of (".bss", "_bss_start");
- lang_abs_symbol_at_end_of (".bss", "_end");
+ symbol_at_end_of (".text", "_etext");
+ symbol_at_end_of (".data", "_edata");
+ symbol_at_beginning_of (".bss", "_bss_start");
+ symbol_at_end_of (".bss", "_end");
}
}