summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/ChangeLog4
-rw-r--r--src/unexmacosx.c22
2 files changed, 26 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 33ee723fe66..1fb2c7b00a1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2014-10-30 Samuel Bronson <naesten@gmail.com>
+
+ * unexmacosx.c (copy_data_segment): Port to GCC 4.6+ (Bug#9927).
+
2014-10-28 Eli Zaretskii <eliz@gnu.org>
* fileio.c (Fexpand_file_name): Use make_unibyte_string, not
diff --git a/src/unexmacosx.c b/src/unexmacosx.c
index 7d4762fdab2..2a045aa12f8 100644
--- a/src/unexmacosx.c
+++ b/src/unexmacosx.c
@@ -881,6 +881,27 @@ copy_data_segment (struct load_command *lc)
if (!unexec_write (header_offset, sectp, sizeof (struct section)))
unexec_error ("cannot write section %.16s's header", sectp->sectname);
}
+ else if (strncmp (sectp->sectname, "__bss", 5) == 0
+ || strncmp (sectp->sectname, "__pu_bss", 8) == 0)
+ {
+ sectp->flags = S_REGULAR;
+
+ /* These sections are produced by GCC 4.6+.
+
+ FIXME: We possibly ought to clear uninitialized local
+ variables in statically linked libraries like for
+ SECT_BSS (__bss) above, but setting up the markers we
+ need in lastfile.c would be rather messy. See
+ darwin_output_aligned_bss () in gcc/config/darwin.c for
+ the root of the problem, keeping in mind that the
+ sections are numbered by their alignment in GCC 4.6, but
+ by log2(alignment) in GCC 4.7. */
+
+ if (!unexec_write (sectp->offset, (void *) sectp->addr, sectp->size))
+ unexec_error ("cannot copy section %.16s", sectp->sectname);
+ if (!unexec_write (header_offset, sectp, sizeof (struct section)))
+ unexec_error ("cannot write section %.16s's header", sectp->sectname);
+ }
else if (strncmp (sectp->sectname, "__la_symbol_ptr", 16) == 0
|| strncmp (sectp->sectname, "__nl_symbol_ptr", 16) == 0
|| strncmp (sectp->sectname, "__got", 16) == 0
@@ -892,6 +913,7 @@ copy_data_segment (struct load_command *lc)
|| strncmp (sectp->sectname, "__program_vars", 16) == 0
|| strncmp (sectp->sectname, "__mod_init_func", 16) == 0
|| strncmp (sectp->sectname, "__mod_term_func", 16) == 0
+ || strncmp (sectp->sectname, "__static_data", 16) == 0
|| strncmp (sectp->sectname, "__objc_", 7) == 0)
{
if (!unexec_copy (sectp->offset, old_file_offset, sectp->size))