x86: Add GC testcases with property sections

Verify that debug section is removed by garbage collection when there
is a .note.gnu.property section.

	* testsuite/ld-i386/i386.exp: Run property-x86-4a and
	property-x86-4b.
	* testsuite/ld-x86-64/x86-64.exp: Likewise.
	* testsuite/ld-i386/property-x86-4a.d: New file.
	* testsuite/ld-i386/property-x86-4a.s: Likewise.
	* testsuite/ld-i386/property-x86-4b.d: Likewise.
	* testsuite/ld-i386/property-x86-4b.s: Likewise.
	* testsuite/ld-x86-64/property-x86-4a.d: Likewise.
	* testsuite/ld-x86-64/property-x86-4a.s: Likewise.
	* testsuite/ld-x86-64/property-x86-4b.d: Likewise.
	* testsuite/ld-x86-64/property-x86-4b.s: Likewise.

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 838f3cb0219dc590bf49363f5bbf1c0c2b474f9c..f6063f5337ed601ea2089ae27550eb14791d319c 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,17 @@
+2017-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/ld-i386/i386.exp: Run property-x86-4a and
+       property-x86-4b.
+       * testsuite/ld-x86-64/x86-64.exp: Likewise.
+       * testsuite/ld-i386/property-x86-4a.d: New file.
+       * testsuite/ld-i386/property-x86-4a.s: Likewise.
+       * testsuite/ld-i386/property-x86-4b.d: Likewise.
+       * testsuite/ld-i386/property-x86-4b.s: Likewise.
+       * testsuite/ld-x86-64/property-x86-4a.d: Likewise.
+       * testsuite/ld-x86-64/property-x86-4a.s: Likewise.
+       * testsuite/ld-x86-64/property-x86-4b.d: Likewise.
+       * testsuite/ld-x86-64/property-x86-4b.s: Likewise.
+
 2017-05-19  Georg-Johann Lay  <avr@gjlay.de>
 
        PR ld/21472

diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
index 0118f245c450bbe5b0e2576223cd16a8d22e2bb6..a92bd91072ac43c76ef6991ce84e6bc8bd56a63d 100644 (file)
--- a/ld/testsuite/ld-i386/i386.exp
+++ b/ld/testsuite/ld-i386/i386.exp
@@ -418,6 +418,8 @@ run_dump_test "pr20253-4c"
 run_dump_test "pr20253-5"
 run_dump_test "pr20515"
 run_dump_test "property-x86-3"
+run_dump_test "property-x86-4a"
+run_dump_test "property-x86-4b"
 
 if { !([istarget "i?86-*-linux*"]
        || [istarget "i?86-*-gnu*"]

diff --git a/ld/testsuite/ld-i386/property-x86-4a.d b/ld/testsuite/ld-i386/property-x86-4a.d
new file mode 100644 (file)
index 0000000..53c0b04
--- /dev/null
+++ b/ld/testsuite/ld-i386/property-x86-4a.d
@@ -0,0 +1,10 @@
+#source: property-x86-4a.s
+#source: property-x86-4b.s
+#as: --32
+#ld: -m elf_i386 --gc-sections --entry=main
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+  Owner                 Data size      Description
+  GNU                  0x00000008      NT_GNU_PROPERTY_TYPE_0
+      Properties: no copy on protected 

diff --git a/ld/testsuite/ld-i386/property-x86-4a.s b/ld/testsuite/ld-i386/property-x86-4a.s
new file mode 100644 (file)
index 0000000..21846af
--- /dev/null
+++ b/ld/testsuite/ld-i386/property-x86-4a.s
@@ -0,0 +1,5 @@
+       .text
+       .globl  main
+       .type   main, @function
+main:
+       ret

diff --git a/ld/testsuite/ld-i386/property-x86-4b.d b/ld/testsuite/ld-i386/property-x86-4b.d
new file mode 100644 (file)
index 0000000..2184ac9
--- /dev/null
+++ b/ld/testsuite/ld-i386/property-x86-4b.d
@@ -0,0 +1,10 @@
+#source: property-x86-4a.s
+#source: property-x86-4b.s
+#as: --32
+#ld: -m elf_i386 --gc-sections --entry=main
+#readelf: -S --wide
+
+#failif
+#...
+ +\[ [0-9]\] .debug_info.*
+#...

diff --git a/ld/testsuite/ld-i386/property-x86-4b.s b/ld/testsuite/ld-i386/property-x86-4b.s
new file mode 100644 (file)
index 0000000..83aaf3e
--- /dev/null
+++ b/ld/testsuite/ld-i386/property-x86-4b.s
@@ -0,0 +1,20 @@
+       .section .debug_info,"",@progbits
+       .hidden t.c.4903c230
+       .globl t.c.4903c230
+t.c.4903c230:
+       .byte 0x28
+
+       .section ".note.gnu.property", "a"
+       .p2align 2
+       .long 1f - 0f           /* name length.  */
+       .long 3f - 2f           /* data length.  */
+       /* NT_GNU_PROPERTY_TYPE_0 */
+       .long 5                 /* note type.  */
+0:     .asciz "GNU"            /* vendor name.  */
+1:     .p2align 2
+2:
+       /* GNU_PROPERTY_NO_COPY_ON_PROTECTED */
+       .long 2                 /* pr_type.  */
+       .long 0                 /* pr_datasz.  */
+       .p2align 2
+3:

diff --git a/ld/testsuite/ld-x86-64/property-x86-4a.d b/ld/testsuite/ld-x86-64/property-x86-4a.d
new file mode 100644 (file)
index 0000000..50be0b7
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/property-x86-4a.d
@@ -0,0 +1,10 @@
+#source: property-x86-4a.s
+#source: property-x86-4b.s
+#as: --64
+#ld: -m elf_x86_64 --gc-sections --entry=main
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+  Owner                 Data size      Description
+  GNU                  0x00000008      NT_GNU_PROPERTY_TYPE_0
+      Properties: no copy on protected 

diff --git a/ld/testsuite/ld-x86-64/property-x86-4a.s b/ld/testsuite/ld-x86-64/property-x86-4a.s
new file mode 100644 (file)
index 0000000..21846af
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/property-x86-4a.s
@@ -0,0 +1,5 @@
+       .text
+       .globl  main
+       .type   main, @function
+main:
+       ret

diff --git a/ld/testsuite/ld-x86-64/property-x86-4b.d b/ld/testsuite/ld-x86-64/property-x86-4b.d
new file mode 100644 (file)
index 0000000..194dd6c
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/property-x86-4b.d
@@ -0,0 +1,10 @@
+#source: property-x86-4a.s
+#source: property-x86-4b.s
+#as: --64
+#ld: -m elf_x86_64 --gc-sections --entry=main
+#readelf: -S --wide
+
+#failif
+#...
+ +\[ [0-9]\] .debug_info.*
+#...

diff --git a/ld/testsuite/ld-x86-64/property-x86-4b.s b/ld/testsuite/ld-x86-64/property-x86-4b.s
new file mode 100644 (file)
index 0000000..3da1055
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/property-x86-4b.s
@@ -0,0 +1,20 @@
+       .section .debug_info,"",@progbits
+       .hidden t.c.4903c230
+       .globl t.c.4903c230
+t.c.4903c230:
+       .byte 0x28
+
+       .section ".note.gnu.property", "a"
+       .p2align 3
+       .long 1f - 0f           /* name length.  */
+       .long 3f - 2f           /* data length.  */
+       /* NT_GNU_PROPERTY_TYPE_0 */
+       .long 5                 /* note type.  */
+0:     .asciz "GNU"            /* vendor name.  */
+1:     .p2align 3
+2:
+       /* GNU_PROPERTY_NO_COPY_ON_PROTECTED */
+       .long 2                 /* pr_type.  */
+       .long 0                 /* pr_datasz.  */
+       .p2align 3
+3:

diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index e7f73266aa34aba3b4ce42c4ca5ffc91302e50fb..ebb55f3cb39d56e82665937f333ca77295dd34cc 100644 (file)
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -330,6 +330,8 @@ run_dump_test "pr19969"
 run_dump_test "pr20093-1"
 run_dump_test "pr20093-2"
 run_dump_test "property-x86-3"
+run_dump_test "property-x86-4a"
+run_dump_test "property-x86-4b"
 
 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
     return