binutils/binutils-attach-to-group.patch

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diff -rup binutils.orig/gas/config/obj-elf.c binutils-2.30/gas/config/obj-elf.c
--- binutils.orig/gas/config/obj-elf.c 2018-09-24 17:50:06.974172867 +0100
+++ binutils-2.30/gas/config/obj-elf.c 2018-09-25 15:19:33.559830794 +0100
@@ -82,9 +82,11 @@ static void obj_elf_gnu_attribute (int);
static void obj_elf_tls_common (int);
static void obj_elf_lcomm (int);
static void obj_elf_struct (int);
+static void obj_elf_attach_to_group (int);
static const pseudo_typeS elf_pseudo_table[] =
{
+ {"attach_to_group", obj_elf_attach_to_group, 0},
{"comm", obj_elf_common, 0},
{"common", obj_elf_common, 1},
{"ident", obj_elf_ident, 0},
@@ -1007,6 +1009,27 @@ obj_elf_section_name (void)
return name;
}
+static void
+obj_elf_attach_to_group (int dummy ATTRIBUTE_UNUSED)
+{
+ const char * gname = obj_elf_section_name ();
+
+ if (gname == NULL)
+ {
+ as_warn ("group name not parseable");
+ return;
+ }
+
+ if (elf_group_name (now_seg))
+ {
+ as_warn ("already has a group");
+ return;
+ }
+
+ elf_group_name (now_seg) = xstrdup (gname);
+ elf_section_flags (now_seg) |= SHF_GROUP;
+}
+
void
obj_elf_section (int push)
{
diff -rup binutils.orig/gas/doc/as.texinfo binutils-2.30/gas/doc/as.texinfo
--- binutils.orig/gas/doc/as.texi 2018-09-24 17:50:06.984172788 +0100
+++ binutils-2.30/gas/doc/as.texi 2018-09-25 15:19:43.557748972 +0100
@@ -4407,6 +4407,7 @@ Some machine configurations provide addi
* Altmacro:: @code{.altmacro}
* Ascii:: @code{.ascii "@var{string}"}@dots{}
* Asciz:: @code{.asciz "@var{string}"}@dots{}
+* Attach_to_group:: @code{.attach_to_group @var{name}}
* Balign:: @code{.balign @var{abs-expr} , @var{abs-expr}}
* Bundle directives:: @code{.bundle_align_mode @var{abs-expr}}, etc
* Byte:: @code{.byte @var{expressions}}
@@ -4703,6 +4704,12 @@ trailing zero byte) into consecutive add
@code{.asciz} is just like @code{.ascii}, but each string is followed by
a zero byte. The ``z'' in @samp{.asciz} stands for ``zero''.
+@node Attach_to_group
+@section @code{.attach_to_group @var{name}}
+Attaches the current section to the named group. This is like declaring
+the section with the @code{G} attribute, but can be done after the section
+has been created.
+
@node Balign
@section @code{.balign[wl] @var{abs-expr}, @var{abs-expr}, @var{abs-expr}}