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authorH.J. Lu <hongjiu.lu@intel.com>2020-10-02 11:08:19 +0100
committerNick Clifton <nickc@redhat.com>2020-10-02 11:08:19 +0100
commit7026832e52cff026f877616ac0033c7bb8d1df6f (patch)
treef51aba6d7c5928bdf994047762182a07ba7a6627 /ld
parent048fde1ef43843aa67e9ac30829e0d30f019a7dd (diff)
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Allow note sections to be discarded when they are linked to another discarded secction.
PR 26681 bfd * elflink.c (bfd_elf_gc_sections): Do not arbitrarily keep note sections which are linked to another section. ld * testsuite/ld-elf/pr26681.s: New test. * testsuite/ld-elf/pr26681.d: New test driver. * testsuite/ld-elf/pr26681.l: New test output.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog7
-rw-r--r--ld/testsuite/ld-elf/pr26681.d3
-rw-r--r--ld/testsuite/ld-elf/pr26681.l5
-rw-r--r--ld/testsuite/ld-elf/pr26681.s10
4 files changed, 25 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 134db8c..a6beac0 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,10 @@
+2020-10-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR 26681
+ * testsuite/ld-elf/pr26681.s: New test.
+ * testsuite/ld-elf/pr26681.d: New test driver.
+ * testsuite/ld-elf/pr26681.l: New test output.
+
2020-09-30 H.J. Lu <hongjiu.lu@intel.com>
PR ld/26675
diff --git a/ld/testsuite/ld-elf/pr26681.d b/ld/testsuite/ld-elf/pr26681.d
new file mode 100644
index 0000000..01c1ce8
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr26681.d
@@ -0,0 +1,3 @@
+#ld: --gc-sections --print-gc-sections -e _start
+#warning_output: pr26681.l
+#target: [check_gc_sections_available]
diff --git a/ld/testsuite/ld-elf/pr26681.l b/ld/testsuite/ld-elf/pr26681.l
new file mode 100644
index 0000000..05da9b2
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr26681.l
@@ -0,0 +1,5 @@
+#...
+.*: removing unused section '\.unused1' in file 'tmpdir/.*\.o'
+#...
+.*: removing unused section '\.gnu.note1' in file 'tmpdir/.*\.o'
+#...
diff --git a/ld/testsuite/ld-elf/pr26681.s b/ld/testsuite/ld-elf/pr26681.s
new file mode 100644
index 0000000..0417bed
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr26681.s
@@ -0,0 +1,10 @@
+ .text
+ .globl _start
+_start:
+ .nop
+
+ .section .unused1, "ax", %progbits
+ .nop
+
+ .section .gnu.note1, "o", %note, .unused1
+ .word 2