[PATCH v10 28/28] gnu directives: bfd: generic tests for merge of gnu attributes v2
Matthieu Longo
matthieu.longo@arm.com
Thu Nov 20 17:59:19 GMT 2025
These tests are a copy-paste of the generic tests for AArch64.
Test cases:
- only one input object is copied to the output object
- merge two inputs with optional subsections of both types
ULEB128 and NTBS, which contains same, additional, and
missing attributes.
- mismatch subsection properties.
- combine matching required subsections.
- combine non-matching required subsections.
- prune unknown attributes in known subsections.
- prune unknown subsections.
---
ld/testsuite/ld-attributes/ld-attributes.exp | 31 +++++++++++
.../ld-attributes/oav2-1-all-optional-1.s | 15 ++++++
.../ld-attributes/oav2-1-all-optional-2.s | 15 ++++++
...ismatch-subsec-props-with-all-optional-1.d | 7 +++
...ismatch-subsec-props-with-all-optional-1.s | 2 +
ld/testsuite/ld-attributes/oav2-1-one-file.d | 42 +++++++++++++++
...-1-two-files-all-optional-1more-1missing.d | 53 +++++++++++++++++++
...nknown-and-known-attr-known-subsection-1.s | 11 ++++
...nknown-and-known-attr-known-subsection-2.s | 11 ++++
...-unknown-and-known-attr-known-subsection.d | 25 +++++++++
...v2-2-mix-unknown-and-known-subsections-1.s | 19 +++++++
...v2-2-mix-unknown-and-known-subsections-2.s | 19 +++++++
...oav2-2-mix-unknown-and-known-subsections.d | 26 +++++++++
.../oav2-2-required-subsec-A-1.s | 3 ++
.../oav2-2-required-subsec-A-2.s | 3 ++
.../ld-attributes/oav2-2-required-subsec-B.s | 3 ++
.../oav2-2-required-subsec-nok.d | 7 +++
.../ld-attributes/oav2-2-required-subsec-ok.d | 16 ++++++
18 files changed, 308 insertions(+)
create mode 100644 ld/testsuite/ld-attributes/ld-attributes.exp
create mode 100644 ld/testsuite/ld-attributes/oav2-1-all-optional-1.s
create mode 100644 ld/testsuite/ld-attributes/oav2-1-all-optional-2.s
create mode 100644 ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.d
create mode 100644 ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.s
create mode 100644 ld/testsuite/ld-attributes/oav2-1-one-file.d
create mode 100644 ld/testsuite/ld-attributes/oav2-1-two-files-all-optional-1more-1missing.d
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-1.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-2.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection.d
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-1.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-2.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections.d
create mode 100644 ld/testsuite/ld-attributes/oav2-2-required-subsec-A-1.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-required-subsec-A-2.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-required-subsec-B.s
create mode 100644 ld/testsuite/ld-attributes/oav2-2-required-subsec-nok.d
create mode 100644 ld/testsuite/ld-attributes/oav2-2-required-subsec-ok.d
diff --git a/ld/testsuite/ld-attributes/ld-attributes.exp b/ld/testsuite/ld-attributes/ld-attributes.exp
new file mode 100644
index 00000000000..dd1dc01310f
--- /dev/null
+++ b/ld/testsuite/ld-attributes/ld-attributes.exp
@@ -0,0 +1,31 @@
+# Expect script for AARCH64 ELF tests related to GNU properties.
+# Copyright (C) 2025 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.
+
+#
+# Generic tests for GNU attributes v2
+#
+
+set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
+
+foreach t $test_list {
+ # We need to strip the ".d", but can leave the dirname.
+ run_dump_test [file rootname $t] \
+ [list [list as "-I\$srcdir/\$subdir"]]
+}
diff --git a/ld/testsuite/ld-attributes/oav2-1-all-optional-1.s b/ld/testsuite/ld-attributes/oav2-1-all-optional-1.s
new file mode 100644
index 00000000000..5cda02a0d3f
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-all-optional-1.s
@@ -0,0 +1,15 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 0
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 0
+ .gnu_attribute 1, 1
+
+ .gnu_subsection gnu_testing_ba_3_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "hello"
+ .gnu_attribute 1, "world"
+
+ .gnu_subsection gnu_testing_ba_5_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "hello"
+ .gnu_attribute 1, "world"
diff --git a/ld/testsuite/ld-attributes/oav2-1-all-optional-2.s b/ld/testsuite/ld-attributes/oav2-1-all-optional-2.s
new file mode 100644
index 00000000000..afe9334a34c
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-all-optional-2.s
@@ -0,0 +1,15 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection gnu_testing_ba_4_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
+
+ .gnu_subsection gnu_testing_ba_5_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
diff --git a/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.d b/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.d
new file mode 100644
index 00000000000..17a03ebf264
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.d
@@ -0,0 +1,7 @@
+# name: Object Attributes v2: mismatch subsection properties with oav2-1-all-optional-1
+# target: [supports_oa_v2]
+# source: oav2-1-all-optional-1.s
+# source: oav2-1-mismatch-subsec-props-with-all-optional-1.s
+# ld: -shared
+#error: \A[^\n]*oav2-1-all-optional-1\.o, [^:]*oav2-1-mismatch-subsec-props-with-all-optional-1\.o: error: parameters of subsection 'gnu_testing_ba_1_MERGE_AND' are mismatching\. \(optional, ULEB128\) VS \(required, ULEB128\)
+#error: \n[^\n]*oav2-1-all-optional-1\.o, [^:]*oav2-1-mismatch-subsec-props-with-all-optional-1\.o: error: parameters of subsection 'gnu_testing_ba_2_MERGE_AND' are mismatching\. \(optional, ULEB128\) VS \(optional, NTBS\)\Z
diff --git a/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.s b/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.s
new file mode 100644
index 00000000000..701c6c550db
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-mismatch-subsec-props-with-all-optional-1.s
@@ -0,0 +1,2 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, required, uleb128
+ .gnu_subsection gnu_testing_ba_2_MERGE_AND, optional, ntbs
diff --git a/ld/testsuite/ld-attributes/oav2-1-one-file.d b/ld/testsuite/ld-attributes/oav2-1-one-file.d
new file mode 100644
index 00000000000..2c92b7f7e5d
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-one-file.d
@@ -0,0 +1,42 @@
+# name: Object Attributes v2: only one input object is copied to the output object
+# target: [supports_oa_v2]
+# source: oav2-1-all-optional-1.s
+# ld: -shared
+# readelf: --arch-specific
+
+Subsections:
+ - Name: gnu_testing_ba_1_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 1 \(0x1\)
+ Tag_unknown_1: 0 \(0x0\)
+
+ - Name: gnu_testing_ba_2_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 0 \(0x0\)
+ Tag_unknown_1: 1 \(0x1\)
+
+ - Name: gnu_testing_ba_3_MERGE_ADD
+ Scope: private
+ Length: 47
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "hello"
+ Tag_unknown_1: "world"
+
+ - Name: gnu_testing_ba_5_MERGE_ADD
+ Scope: private
+ Length: 47
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "hello"
+ Tag_unknown_1: "world"
diff --git a/ld/testsuite/ld-attributes/oav2-1-two-files-all-optional-1more-1missing.d b/ld/testsuite/ld-attributes/oav2-1-two-files-all-optional-1more-1missing.d
new file mode 100644
index 00000000000..aa998706b84
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-1-two-files-all-optional-1more-1missing.d
@@ -0,0 +1,53 @@
+# name: Object Attributes v2: 2 files, all optional, 1 more, 1 missing
+# target: [supports_oa_v2]
+# source: oav2-1-all-optional-1.s
+# source: oav2-1-all-optional-2.s
+# ld: -shared
+# readelf: --arch-specific
+
+Subsections:
+ - Name: gnu_testing_ba_1_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 1 \(0x1\)
+ Tag_unknown_1: 0 \(0x0\)
+
+ - Name: gnu_testing_ba_2_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 0 \(0x0\)
+ Tag_unknown_1: 1 \(0x1\)
+
+ - Name: gnu_testing_ba_3_MERGE_ADD
+ Scope: private
+ Length: 47
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "hello"
+ Tag_unknown_1: "world"
+
+ - Name: gnu_testing_ba_4_MERGE_ADD
+ Scope: private
+ Length: 43
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "foo"
+ Tag_unknown_1: "bar"
+
+ - Name: gnu_testing_ba_5_MERGE_ADD
+ Scope: private
+ Length: 55
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "hello\+foo"
+ Tag_unknown_1: "world\+bar"
+
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-1.s b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-1.s
new file mode 100644
index 00000000000..6636f7eaa21
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-1.s
@@ -0,0 +1,11 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+ .gnu_attribute 2, 1 // Unknown tag
+ .gnu_attribute 3, 1 // Unknown tag
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
+ .gnu_attribute 2, "foo2" // Unknown tag
+ .gnu_attribute 3, "foo3" // Unknown tag
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-2.s b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-2.s
new file mode 100644
index 00000000000..42bed8a0e51
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection-2.s
@@ -0,0 +1,11 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+ .gnu_attribute 2, 1 // Unknown tag
+ .gnu_attribute 4, 1 // Unknown tag
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
+ .gnu_attribute 2, "foo2" // Unknown tag
+ .gnu_attribute 4, "foo4" // Unknown tag
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection.d b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection.d
new file mode 100644
index 00000000000..16553329a1c
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-attr-known-subsection.d
@@ -0,0 +1,25 @@
+# name: Object Attributes v2: unknown attribute inside known subsection should be removed from the output.
+# target: [supports_oa_v2]
+# source: oav2-2-mix-unknown-and-known-attr-known-subsection-1.s
+# source: oav2-2-mix-unknown-and-known-attr-known-subsection-2.s
+# ld: -shared
+# readelf: --arch-specific
+
+Subsections:
+ - Name: gnu_testing_ba_1_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 1 \(0x1\)
+ Tag_unknown_1: 1 \(0x1\)
+
+ - Name: gnu_testing_ba_2_MERGE_ADD
+ Scope: private
+ Length: 51
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "foo\+foo"
+ Tag_unknown_1: "bar\+bar"
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-1.s b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-1.s
new file mode 100644
index 00000000000..6c696bffb95
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-1.s
@@ -0,0 +1,19 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 0
+
+ .gnu_subsection private_1, optional, uleb128
+ .gnu_attribute 0, 0
+ .gnu_attribute 1, 1
+
+ .gnu_subsection private_2, optional, ntbs
+ .gnu_attribute 0, "hello"
+ .gnu_attribute 1, "world"
+
+ .gnu_subsection private_4, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "hello"
+ .gnu_attribute 1, "world"
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-2.s b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-2.s
new file mode 100644
index 00000000000..82cc6753bf2
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections-2.s
@@ -0,0 +1,19 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection private_1, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection private_2, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
+
+ .gnu_subsection private_3, optional, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
+
+ .gnu_subsection gnu_testing_ba_2_MERGE_ADD, optional, ntbs
+ .gnu_attribute 0, "foo"
+ .gnu_attribute 1, "bar"
diff --git a/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections.d b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections.d
new file mode 100644
index 00000000000..4a9afda50a1
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-mix-unknown-and-known-subsections.d
@@ -0,0 +1,26 @@
+# name: Object Attributes v2: unknown subsections are removed from the output.
+# target: [supports_oa_v2]
+# source: oav2-2-mix-unknown-and-known-subsections-1.s
+# source: oav2-2-mix-unknown-and-known-subsections-2.s
+# ld: -shared
+# readelf: --arch-specific
+
+Subsections:
+ - Name: gnu_testing_ba_1_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: optional
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 1 \(0x1\)
+ Tag_unknown_1: 0 \(0x0\)
+
+ - Name: gnu_testing_ba_2_MERGE_ADD
+ Scope: private
+ Length: 55
+ Comprehension: optional
+ Encoding: NTBS
+ Values:
+ Tag_unknown_0: "hello\+foo"
+ Tag_unknown_1: "world\+bar"
+
diff --git a/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-1.s b/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-1.s
new file mode 100644
index 00000000000..83412b79677
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-1.s
@@ -0,0 +1,3 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, required, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 0
diff --git a/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-2.s b/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-2.s
new file mode 100644
index 00000000000..83412b79677
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-required-subsec-A-2.s
@@ -0,0 +1,3 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, required, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 0
diff --git a/ld/testsuite/ld-attributes/oav2-2-required-subsec-B.s b/ld/testsuite/ld-attributes/oav2-2-required-subsec-B.s
new file mode 100644
index 00000000000..4664e6d8bb1
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-required-subsec-B.s
@@ -0,0 +1,3 @@
+ .gnu_subsection gnu_testing_ba_1_MERGE_AND, required, uleb128
+ .gnu_attribute 0, 1
+ .gnu_attribute 1, 1
diff --git a/ld/testsuite/ld-attributes/oav2-2-required-subsec-nok.d b/ld/testsuite/ld-attributes/oav2-2-required-subsec-nok.d
new file mode 100644
index 00000000000..ed4eca7cfdb
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-required-subsec-nok.d
@@ -0,0 +1,7 @@
+# name: Object Attributes v2: combine non-matching required subsections
+# target: [supports_oa_v2]
+# source: oav2-2-required-subsec-A-1.s
+# source: oav2-2-required-subsec-B.s
+# source: oav2-2-required-subsec-A-2.s
+# ld: -shared
+#error: \A[^\n]*oav2-2-required-subsec-A-1\.o, [^:]*oav2-2-required-subsec-B\.o: error: mismatching values 0x0 and 0x1 for required object attribute 'GNUTestTag_1' in subsection 'gnu_testing_ba_1_MERGE_AND'\Z
diff --git a/ld/testsuite/ld-attributes/oav2-2-required-subsec-ok.d b/ld/testsuite/ld-attributes/oav2-2-required-subsec-ok.d
new file mode 100644
index 00000000000..9f89bdfe1e9
--- /dev/null
+++ b/ld/testsuite/ld-attributes/oav2-2-required-subsec-ok.d
@@ -0,0 +1,16 @@
+# name: Object Attributes v2: combine matching required subsections
+# target: [supports_oa_v2]
+# source: oav2-2-required-subsec-A-1.s
+# source: oav2-2-required-subsec-A-2.s
+# ld: -shared
+# readelf: --arch-specific
+
+Subsections:
+ - Name: gnu_testing_ba_1_MERGE_AND
+ Scope: private
+ Length: 37
+ Comprehension: required
+ Encoding: ULEB128
+ Values:
+ Tag_unknown_0: 1 \(0x1\)
+ Tag_unknown_1: 0 \(0x0\)
--
2.52.0
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