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[PATCH] Testsuite: Ensure pie is disabled on some tests


Recent versions of Ubuntu and Debian default GCC to enable pie.

In dump.exp, pie will causes addresses to be out of range for IHEX.

In break-interp.exp, pie is explicitly set for some tests and assumed
to be disabled for the remainder.

Ensure pie is disabled for these tests when required.

gdb/testsuite/ChangeLog:

2019-03-06  Alan Hayward  <alan.hayward@arm.com>

	* gdb.base/break-interp.exp: Ensure pie is disabled.
	* gdb.base/dump.exp: Likewise.
---
 gdb/testsuite/gdb.base/break-interp.exp | 4 ++++
 gdb/testsuite/gdb.base/dump.exp         | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/gdb/testsuite/gdb.base/break-interp.exp b/gdb/testsuite/gdb.base/break-interp.exp
index f85e8a650a..409c31e568 100644
--- a/gdb/testsuite/gdb.base/break-interp.exp
+++ b/gdb/testsuite/gdb.base/break-interp.exp
@@ -627,6 +627,10 @@ foreach ldprelink {NO YES} {
 			    if {$binpie != "NO"} {
 				lappend opts {additional_flags=-fPIE}
 				lappend opts {ldflags=-pie}
+			    } else {
+				# Recent Debian/Ubuntu defaults PIE enabled. Ensure it is disabled.
+				lappend opts {additional_flags=-no-pie}
+				lappend opts {ldflags=-no-pie}
 			    }
 
 			    set dir ${exec}.d
diff --git a/gdb/testsuite/gdb.base/dump.exp b/gdb/testsuite/gdb.base/dump.exp
index 44b0988b80..b2d7ef938a 100644
--- a/gdb/testsuite/gdb.base/dump.exp
+++ b/gdb/testsuite/gdb.base/dump.exp
@@ -36,6 +36,10 @@ if {[istarget "spu*-*-*"]} then {
     set is64bitonly "yes"
 }
 
+# Ensure -pie is disabled as this breaks IHEX tests.
+# (PIE defaults to enabled on recent Debian/Ubuntu).
+lappend options "additional_flags=-no-pie"
+
 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
      untested "failed to compile"
      return -1
-- 
2.17.2 (Apple Git-113)


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