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