Add --section-ordering command line option to the bfd linker.

10 files changed, 215 insertions, 0 deletions

diff --git a/ld/testsuite/ld-scripts/section-order-1a.d b/ld/testsuite/ld-scripts/section-order-1a.d
new file mode 100644
index 0000000..40730b8
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1a.d
@@ -0,0 +1,22 @@
+#name: Text Section Ordering (section-order-1a)
+#source: section-order-1b.s
+#source: section-order-1a.s
+#source: start.s
+#ld: --section-ordering-file section-order-1a.t
+#nm: -n
+
+#...
+[0-9a-f]+ T yyy
+#...
+[0-9a-f]+ T bar
+#...
+[0-9a-f]+ T [_]+start
+#...
+[0-9a-f]+ T xxx
+#...
+[0-9a-f]+ T foo
+#...
+[0-9a-f]+ T qqq
+#...
+[0-9a-f]+ T zzz
+#pass
diff --git a/ld/testsuite/ld-scripts/section-order-1a.s b/ld/testsuite/ld-scripts/section-order-1a.s
new file mode 100644
index 0000000..2394a7b
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1a.s
@@ -0,0 +1,29 @@
+	.section .text.foo
+	.globl	foo
+foo:
+	.dc.a 0
+
+	.section .text.bar
+	.globl	bar
+bar:
+	.dc.a 0
+
+	.section .data.small
+	.globl small
+small:
+	.dc.a 0
+
+	.section .bar
+	.global bar
+bart:
+	.dc.a 0
+
+	.section .text.zzz
+	.global zzz
+zzz:
+	.dc.a 0
+
+	.section .data.bbb
+	.global bbb
+bbb:
+	.dc.a 0
diff --git a/ld/testsuite/ld-scripts/section-order-1a.t b/ld/testsuite/ld-scripts/section-order-1a.t
new file mode 100644
index 0000000..2e28bfa
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1a.t
@@ -0,0 +1,14 @@
+.text : {
+    *(.text.yyy)
+    *(.text.b?r)
+    *(.text)
+    *(.text.xxx .text.foo)
+}
+
+.data : {
+    *(.data.small)
+    *(.big*)
+    *(.bar .baz*)
+    *(.data.ccc)
+}
+
diff --git a/ld/testsuite/ld-scripts/section-order-1b.d b/ld/testsuite/ld-scripts/section-order-1b.d
new file mode 100644
index 0000000..caf713d
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1b.d
@@ -0,0 +1,18 @@
+#name: Text Section Ordering (section-order-1b)
+#source: section-order-1a.s
+#source: section-order-1b.s
+#source: start.s
+#ld: --section-ordering-file section-order-1b.t
+#nm: -n
+
+#...
+[0-9a-f]+ T yyy
+#...
+[0-9a-f]+ T bar
+#...
+[0-9a-f]+ T [_]+start
+#...
+[0-9a-f]+ T xxx
+#...
+[0-9a-f]+ T foo
+#pass
diff --git a/ld/testsuite/ld-scripts/section-order-1b.s b/ld/testsuite/ld-scripts/section-order-1b.s
new file mode 100644
index 0000000..49a0b32
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1b.s
@@ -0,0 +1,34 @@
+	.section .text.xxx
+	.globl	xxx
+xxx:
+	.dc.a 0
+
+	.section .text.yyy
+	.globl	yyy
+yyy:
+	.dc.a 0
+
+	.section .big
+	.global big
+big:
+	.dc.a 0
+
+	.section .baz
+	.global baz
+baz:
+	.dc.a 0
+
+	.section .text.qqq
+	.global qqq
+qqq:
+	.dc.a 0
+
+	.section .data.ccc
+	.global ccc
+ccc:
+	.dc.a 0
+
+	.data
+	.global data_symbol
+data_symbol:
+	.dc.a 0
diff --git a/ld/testsuite/ld-scripts/section-order-1b.t b/ld/testsuite/ld-scripts/section-order-1b.t
new file mode 100644
index 0000000..6a36250
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1b.t
@@ -0,0 +1,7 @@
+.text : {
+  *(.text.yyy)
+  *(.text.b?r)
+  *(*t)
+  *(.text.xxx)
+  *(.text.foo)
+}
diff --git a/ld/testsuite/ld-scripts/section-order-1c.d b/ld/testsuite/ld-scripts/section-order-1c.d
new file mode 100644
index 0000000..ad06d4a
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1c.d
@@ -0,0 +1,14 @@
+#name: Data Section Ordering (section-order-1c)
+#source: section-order-1b.s
+#source: section-order-1a.s
+#source: start.s
+#ld: --section-ordering-file section-order-1a.t
+#nm: -n
+
+#...
+[0-9a-f]+ D small
+#...
+[0-9a-f]+ D big
+#...
+[0-9a-f]+ D ba.*
+#pass
diff --git a/ld/testsuite/ld-scripts/section-order-1d.d b/ld/testsuite/ld-scripts/section-order-1d.d
new file mode 100644
index 0000000..d016505
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order-1d.d
@@ -0,0 +1,18 @@
+#name: Data Section Ordering (section-order-1d)
+#source: section-order-1a.s
+#source: section-order-1b.s
+#source: start.s
+#ld: --section-ordering-file section-order-1a.t
+#nm: -n
+
+#...
+[0-9a-f]+ D small
+#...
+[0-9a-f]+ D big
+#...
+[0-9a-f]+ d bart
+#...
+[0-9a-f]+ D ccc
+#...
+[0-9a-f]+ D bbb
+#pass
diff --git a/ld/testsuite/ld-scripts/section-order.exp b/ld/testsuite/ld-scripts/section-order.exp
new file mode 100644
index 0000000..9b87e74
--- /dev/null
+++ b/ld/testsuite/ld-scripts/section-order.exp
@@ -0,0 +1,45 @@
+# Test for --section-ordering-file FILE.
+# Copyright (C) 2024 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+# The --section-ordering-file option is only supported by ELF and
+# PE COFF linkers, which allow for arbitrarily named sections, eg:
+# .text.*
+if { !([is_elf_format] || [is_pecoff_format]) } {
+    return
+}
+
+set old_ldflags $LDFLAGS
+if { [istarget spu*-*-*] } then {
+    set LDFLAGS "$LDFLAGS --local-store 0:0 --no-overlays"
+} elseif { [is_pecoff_format] } then {
+    set LDFLAGS "$LDFLAGS --image-base 0"
+} elseif { [is_xcoff_format] } then {
+    set LDFLAGS "$LDFLAGS -bnogc"
+}
+
+set test_list [lsort [glob -nocomplain $srcdir/$subdir/section-order*.d]]
+foreach test_file $test_list {
+    set test_name [file rootname $test_file]
+    set map_file "tmpdir/[file tail $test_name].map"
+    verbose $test_name
+    run_dump_test $test_name
+}
+
+set LDFLAGS $old_ldflags
diff --git a/ld/testsuite/ld-scripts/start.s b/ld/testsuite/ld-scripts/start.s
new file mode 100644
index 0000000..3f64626
--- /dev/null
+++ b/ld/testsuite/ld-scripts/start.s
@@ -0,0 +1,14 @@
+	.text
+	.global start	/* Used by SH targets.  */
+start:
+	.global _start
+_start:
+	.global __start
+__start:
+	.global _mainCRTStartup	/* Used by PE targets.  */
+_mainCRTStartup:
+	.global main	/* Used by HPPA targets.  */
+main:
+	.globl	_main	/* Used by LynxOS targets.  */
+_main:
+	.dc.a 0