gdb/testsuite/

	Fix results of prelinked PIEs on ppc*.
	* gdb.base/break-interp.exp (reach, test_core, test_attach_gdb):
	Accept also DISPLACEMENT "PRESENT".
	(main): Replace "ZERO" displacements by "PRESENT".

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 9b34199ae1f1aa5b81cacf733a28eb758481f2db..e01dd40ddfcab069a2b5aa90ab3a816158e24581 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-11  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       Fix results of prelinked PIEs on ppc*.
+       * gdb.base/break-interp.exp (reach, test_core, test_attach_gdb):
+       Accept also DISPLACEMENT "PRESENT".
+       (main): Replace "ZERO" displacements by "PRESENT".
+
 2010-10-08  Sami Wagiaalla  <swagiaal@redhat.com>
 
        * gdb.cp/oranking.exp: New test.

diff --git a/gdb/testsuite/gdb.base/break-interp.exp b/gdb/testsuite/gdb.base/break-interp.exp
index 6566baaea4c08754e1105997eff2bcdc07dce40d..c00db6377fbe4246de266f01c058cf4428543a5f 100644 (file)
--- a/gdb/testsuite/gdb.base/break-interp.exp
+++ b/gdb/testsuite/gdb.base/break-interp.exp
@@ -109,7 +109,9 @@ proc strip_debug {dest} {
 }
 
 # `runto' does not check we stopped really at the function we specified.
-# DISPLACEMENT can be "NONE", "ZERO" or "NONZERO"
+# DISPLACEMENT can be "NONE" for no message to be present, "ZERO" for
+# displacement of 0 bytes to be present, "NONZERO" for displacement of non-0
+# bytes to be present and "PRESENT" if both "ZERO" and "NONZERO" are valid.
 proc reach {func command displacement} {
     global gdb_prompt expect_out
 
@@ -128,7 +130,7 @@ proc reach {func command displacement} {
                } else {
                    set case "NONZERO"
                }
-               if {$displacement == $case} {
+               if {$displacement == $case || $displacement == "PRESENT"} {
                    pass $test_displacement
                    set displacement "FOUND-$displacement"
                } else {
@@ -184,7 +186,7 @@ proc test_core {file displacement} {
            } else {
                set case "NONZERO"
            }
-           if {$displacement == $case} {
+           if {$displacement == $case || $displacement == "PRESENT"} {
                pass $test_displacement
                set displacement "FOUND-$displacement"
            } else {
@@ -241,7 +243,7 @@ proc test_attach_gdb {file pid displacement prefix} {
            } else {
                set case "NONZERO"
            }
-           if {$displacement == $case} {
+           if {$displacement == $case || $displacement == "PRESENT"} {
                pass $test_displacement
                set displacement "FOUND-$displacement"
            } else {
@@ -428,7 +430,7 @@ proc test_ld {file ifmain trynosym displacement} {
                } else {
                    set case "NONZERO"
                }
-               if {$displacement == $case} {
+               if {$displacement == $case || $displacement == "PRESENT"} {
                    pass $test_displacement
                    set displacement "FOUND-$displacement"
                } else {
@@ -533,7 +535,10 @@ foreach ldprelink {NO YES} {
        if {$ldprelink == "NO"} {
            set displacement "NONZERO"
        } else {
-           set displacement "ZERO"
+           # x86* kernel loads prelinked PIE binary at its prelinked address
+           # but ppc* kernel loads it at a random address.  prelink normally
+           # skips PIE binaries during the system scan.
+           set displacement "PRESENT"
        }
        test_ld $interp 0 [expr {$ldsepdebug == "NO"}] $displacement
 
@@ -582,7 +587,11 @@ foreach ldprelink {NO YES} {
                    } elseif {$binprelink == "NO"} {
                        set displacement "NONZERO"
                    } else {
-                       set displacement "ZERO"
+                       # x86* kernel loads prelinked PIE binary at its
+                       # prelinked address but ppc* kernel loads it at
+                       # a random address.  prelink normally skips PIE
+                       # binaries during the system scan.
+                       set displacement "PRESENT"
                    }
 
                    if {[prelink$binprelink $relink_args [file tail $exec]]