ld: Add tests for -z separate-code and -z noseparate-code

Verify that -z separate-code works and -z noseparate-code doesn't disable
-z relro.

	PR ld/22393
	* testsuite/ld-elf/pr16322.d: Add -z noseparate-code.
	* testsuite/ld-elf/pr22393-1.s: New file.
	* testsuite/ld-elf/pr22393-1a.d: Likewise.
	* testsuite/ld-elf/pr22393-1b.d: Likewise.
	* testsuite/ld-elf/pr22393-1c.d: Likewise.
	* testsuite/ld-elf/pr22393-1d.d: Likewise.
	* testsuite/ld-elf/pr22393-1e.d: Likewise.
	* testsuite/ld-elf/pr22393-1f.d: Likewise.
	* testsuite/ld-elf/pr22393-2a.c: Likewise.
	* testsuite/ld-elf/pr22393-2a.rd: Likewise.
	* testsuite/ld-elf/pr22393-2b.c: Likewise.
	* testsuite/ld-elf/pr22393-2b.rd: Likewise.
	* testsuite/ld-elf/shared.exp: Run tests for -z separate-code.

13 files changed, 179 insertions, 1 deletions

diff --git a/ld/testsuite/ld-elf/pr16322.d b/ld/testsuite/ld-elf/pr16322.d
index 40a7975..348927b 100644
--- a/ld/testsuite/ld-elf/pr16322.d
+++ b/ld/testsuite/ld-elf/pr16322.d
@@ -1,4 +1,4 @@
-#ld: -shared -z relro
+#ld: -shared -z relro -z noseparate-code
 #readelf: -l --wide
 #target: *-*-linux-gnu *-*-gnu* *-*-nacl*
 
diff --git a/ld/testsuite/ld-elf/pr22393-1.s b/ld/testsuite/ld-elf/pr22393-1.s
new file mode 100644
index 0000000..ffdb620
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1.s
@@ -0,0 +1,21 @@
+	.section .rodata,"a",%progbits
+	.globl	fx1
+	.type	fx1, %object
+fx1:
+	.zero	20
+	.section .data.rel.ro,"aw",%progbits
+	.globl	px1
+	.type	px1, %object
+px1:
+	.dc.a	fx1
+
+	.text
+	.global start	/* Used by SH targets.  */
+start:
+	.global _start
+_start:
+	.global __start
+__start:
+	.global main	/* Used by HPPA targets.  */
+main:
+	.dc.a 0
diff --git a/ld/testsuite/ld-elf/pr22393-1a.d b/ld/testsuite/ld-elf/pr22393-1a.d
new file mode 100644
index 0000000..f8dc0cc
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1a.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -shared -z separate-code -z relro
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*(\.note|\.gnu|\.hash|\.dyn|\.rel).*\.text.*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-1b.d b/ld/testsuite/ld-elf/pr22393-1b.d
new file mode 100644
index 0000000..089d779
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1b.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -shared -z relro -z separate-code
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*.text.*(.eh_frame|\.rodata).*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-1c.d b/ld/testsuite/ld-elf/pr22393-1c.d
new file mode 100644
index 0000000..3476be3
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1c.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -pie -z separate-code
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*(\.note|\.gnu|\.hash|\.dyn|\.rel).*\.text.*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-1d.d b/ld/testsuite/ld-elf/pr22393-1d.d
new file mode 100644
index 0000000..c0d1051
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1d.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -pie -z separate-code
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*.text.*(.eh_frame|\.rodata).*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-1e.d b/ld/testsuite/ld-elf/pr22393-1e.d
new file mode 100644
index 0000000..673d3f7
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1e.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -z separate-code
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*(\.note|\.gnu|\.hash|\.dyn|\.rel).*\.text.*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-1f.d b/ld/testsuite/ld-elf/pr22393-1f.d
new file mode 100644
index 0000000..4c5de43
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-1f.d
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -z separate-code
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*.text.*(.eh_frame|\.rodata).*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-2a.c b/ld/testsuite/ld-elf/pr22393-2a.c
new file mode 100644
index 0000000..68fa4a0
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-2a.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+void
+test()
+{
+  printf ("PASS\n");
+}
diff --git a/ld/testsuite/ld-elf/pr22393-2a.rd b/ld/testsuite/ld-elf/pr22393-2a.rd
new file mode 100644
index 0000000..b7ba110
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-2a.rd
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -shared -z textonly
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*(\.note|\.gnu|\.hash|\.dyn|\.rel).*\.text.*
+#...
diff --git a/ld/testsuite/ld-elf/pr22393-2b.c b/ld/testsuite/ld-elf/pr22393-2b.c
new file mode 100644
index 0000000..3033809
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-2b.c
@@ -0,0 +1,7 @@
+void test(void);
+
+int main()
+{
+  test();
+  return 0;
+}
diff --git a/ld/testsuite/ld-elf/pr22393-2b.rd b/ld/testsuite/ld-elf/pr22393-2b.rd
new file mode 100644
index 0000000..b7ba110
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr22393-2b.rd
@@ -0,0 +1,9 @@
+#source: pr22393-1.s
+#ld: -shared -z textonly
+#readelf: -l --wide
+#target: *-*-linux-gnu *-*-gnu* *-*-nacl*
+
+#failif
+#...
+ +[0-9]+  +.*(\.note|\.gnu|\.hash|\.dyn|\.rel).*\.text.*
+#...
diff --git a/ld/testsuite/ld-elf/shared.exp b/ld/testsuite/ld-elf/shared.exp
index 0c54568..b9e5d40 100644
--- a/ld/testsuite/ld-elf/shared.exp
+++ b/ld/testsuite/ld-elf/shared.exp
@@ -819,6 +819,51 @@ if { [istarget *-*-linux*]
 	    {} \
 	    "libpr19579.so" \
 	] \
+	[list \
+	    "Build pr22393-2a.so" \
+	    "-shared -Wl,-z,separate-code" \
+	    "-fPIC" \
+	    {pr22393-2a.c} \
+	    {{readelf -lW pr22393-2a.rd} \
+	     {readelf -lW pr22393-2b.rd}} \
+	    "pr22393-2a.so" \
+	] \
+	[list \
+	    "Build pr22393-2a-now.so" \
+	    "-shared -Wl,-z,separate-code,-z,now" \
+	    "-fPIC" \
+	    {pr22393-2a.c} \
+	    {{readelf -lW pr22393-2a.rd} \
+	     {readelf -lW pr22393-2b.rd}} \
+	    "pr22393-2a-now.so" \
+	] \
+	[list \
+	    "Build pr22393-2" \
+	    "$NOPIE_LDFLAGS -Wl,-z,separate-code,--no-as-needed tmpdir/pr22393-2a.so" \
+	    "$NOPIE_CFLAGS" \
+	    {pr22393-2b.c} \
+	    {{readelf -lW pr22393-2a.rd} \
+	     {readelf -lW pr22393-2b.rd}} \
+	    "pr22393-2" \
+	] \
+	[list \
+	    "Build pr22393-2 (PIE)" \
+	    "-pie -Wl,-z,separate-code,--no-as-needed tmpdir/pr22393-2a-now.so" \
+	    "-fPIE" \
+	    {pr22393-2b.c} \
+	    {{readelf -lW pr22393-2a.rd} \
+	     {readelf -lW pr22393-2b.rd}} \
+	    "pr22393-2-pie" \
+	] \
+	[list \
+	    "Build pr22393-2 (static)" \
+	    "-static -Wl,-z,separate-code" \
+	    "" \
+	    {pr22393-2a.c pr22393-2b.c} \
+	    {{readelf -lW pr22393-2a.rd} \
+	     {readelf -lW pr22393-2b.rd}} \
+	    "pr22393-2-static" \
+	] \
     ]
     run_ld_link_exec_tests [list \
 	[list \
@@ -956,6 +1001,32 @@ if { [istarget *-*-linux*]
 	    "pass.out" \
 	    "-fPIE" \
 	] \
+	[list \
+	    "Run pr22393-2" \
+	    "$NOPIE_LDFLAGS -Wl,-z,separate-code,--no-as-needed tmpdir/pr22393-2a.so" \
+	    "" \
+	    {pr22393-2b.c} \
+	    "pr22393-2" \
+	    "pass.out" \
+	    "$NOPIE_CFLAGS" \
+	] \
+	[list \
+	    "Run pr22393-2 (PIE)" \
+	    "-pie -Wl,-z,separate-code,--no-as-needed tmpdir/pr22393-2a-now.so" \
+	    "" \
+	    {pr22393-2b.c} \
+	    "pr22393-2-pie" \
+	    "pass.out" \
+	    "-fPIE" \
+	] \
+	[list \
+	    "Run pr22393-2 (static)" \
+	    "-static -Wl,-z,separate-code" \
+	    "" \
+	    {pr22393-2a.c pr22393-2b.c} \
+	    "pr22393-2-static" \
+	    "pass.out" \
+	] \
     ]
 }