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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.
This commit is contained in:
H.J. Lu 2017-05-19 08:36:06 -07:00
parent ae0264a647
commit 92f7d783c1
11 changed files with 108 additions and 0 deletions
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14
ld/ChangeLog
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@ -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

2
ld/testsuite/ld-i386/i386.exp
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@ -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*"]

10
ld/testsuite/ld-i386/property-x86-4a.d Normal file
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@ -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

5
ld/testsuite/ld-i386/property-x86-4a.s Normal file
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@ -0,0 +1,5 @@
.text
.globl main
.type main, @function
main:
ret

10
ld/testsuite/ld-i386/property-x86-4b.d Normal file
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@ -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.*
#...

20
ld/testsuite/ld-i386/property-x86-4b.s Normal file
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@ -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:

10
ld/testsuite/ld-x86-64/property-x86-4a.d Normal file
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@ -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

5
ld/testsuite/ld-x86-64/property-x86-4a.s Normal file
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@ -0,0 +1,5 @@
.text
.globl main
.type main, @function
main:
ret

10
ld/testsuite/ld-x86-64/property-x86-4b.d Normal file
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@ -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.*
#...

20
ld/testsuite/ld-x86-64/property-x86-4b.s Normal file
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@ -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:

2
ld/testsuite/ld-x86-64/x86-64.exp
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@ -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