gdb/testsuite: link some dwarf2 tests with nopie

I noticed some gdb.dwarf2 tests not running on my machine because of
this:

    Running /home/simark/src/binutils-gdb/gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp ...
    gdb compile failed, /usr/bin/ld: /home/simark/build/binutils-gdb/gdb/testsuite/outputs/gdb.dwarf2/dw2-single-line-discriminators/dw2-single-line-discriminators0.o: relocation R_X86_64_32S against
     symbol `x' can not be used when making a PIE object; recompile with -fPIE
    collect2: error: ld returned 1 exit status

We get this when the target toolchain produces position-independent
executables by default.  These tests are built from some assembly which
produces some relocations incompatible with position-independent
executables.

Add `nopie` to the compilation flags of these tests to force the
toolchain to produce non-position-independent executables.  With this,
the changed tests run successfully on my machine.

gdb/ChangeLog:

	* gdb.dwarf2/clztest.exp, gdb.dwarf2/dw2-common-block.exp,
	gdb.dwarf2/dw2-dup-frame.exp, gdb.dwarf2/dw2-reg-undefined.exp,
	gdb.dwarf2/dw2-single-line-discriminators.exp,
	dw2-undefined-ret-addr.exp: Pass nopie to compilation options.

Change-Id: Ie06c946f8e56a6030be247d1c57f416fa8b67e4c

7 files changed, 14 insertions, 6 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fc4fe7c..1d51032 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2020-08-05  Simon Marchi  <simon.marchi@polymtl.ca>
+
+	* gdb.dwarf2/clztest.exp, gdb.dwarf2/dw2-common-block.exp,
+	gdb.dwarf2/dw2-dup-frame.exp, gdb.dwarf2/dw2-reg-undefined.exp,
+	gdb.dwarf2/dw2-single-line-discriminators.exp,
+	dw2-undefined-ret-addr.exp: Pass nopie to compilation options.
+
 2020-08-05  Tom Tromey  <tromey@adacore.com>
 
 	PR rust/26197:
diff --git a/gdb/testsuite/gdb.dwarf2/clztest.exp b/gdb/testsuite/gdb.dwarf2/clztest.exp
index b83b4a9..95c3266 100644
--- a/gdb/testsuite/gdb.dwarf2/clztest.exp
+++ b/gdb/testsuite/gdb.dwarf2/clztest.exp
@@ -28,7 +28,8 @@ if {![istarget x86_64-*] || ![is_lp64_target]} {
     return 0
 }
 
-if { [prepare_for_testing "failed to prepare" "${test}" ${test}.S {nodebug additional_flags=-nostdlib}] } {
+if { [prepare_for_testing "failed to prepare" "${test}" ${test}.S \
+      {nodebug nopie additional_flags=-nostdlib}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp b/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp
index 9bcf06b..6a10ced 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-common-block.exp
@@ -33,7 +33,7 @@ if {[skip_fortran_tests]} {
 standard_testfile .S
 
 if { [prepare_for_testing "failed to prepare" "${testfile}" $srcfile \
-	  {nodebug f90}] } {
+      {nodebug nopie f90}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp
index 0c2c88e..b615108 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp
@@ -26,7 +26,7 @@ if {![istarget "x86_64-*-*"] || ![is_lp64_target]} {
 
 standard_testfile .S
 
-if { [prepare_for_testing "failed to prepare" $testfile $srcfile {nodebug}] } {
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile {nodebug nopie}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp b/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
index 564ca91..29564fa 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-reg-undefined.exp
@@ -26,7 +26,7 @@ if {![istarget "x86_64-*-*"] || ![is_lp64_target]} {
 
 standard_testfile .S
 
-if { [prepare_for_testing "failed to prepare" $testfile $srcfile {nodebug}] } {
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile {nodebug nopie}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp b/gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp
index 4ca258a..9803ef8 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.exp
@@ -31,7 +31,7 @@ if {![istarget x86_64-*] || ![is_lp64_target]} {
 standard_testfile .S
 set csrcfile ${testfile}.c
 
-if { [prepare_for_testing "failed to prepare" "${testfile}" $srcfile {nodebug}] } {
+if { [prepare_for_testing "failed to prepare" "${testfile}" $srcfile {nodebug nopie}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
index e78d711..668ecfc 100644
--- a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
+++ b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
@@ -26,7 +26,7 @@ if {![istarget x86_64-*] || ![is_lp64_target]} {
     return 0
 }
 
-if {[prepare_for_testing "failed to prepare" "$testfile" $srcfile {nodebug}]} {
+if {[prepare_for_testing "failed to prepare" "$testfile" $srcfile {nodebug nopie}]} {
     return -1
 }