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-rw-r--r--testsuite/systemtap.base/const_value.c29
-rw-r--r--testsuite/systemtap.base/const_value.exp70
-rw-r--r--testsuite/systemtap.base/const_value.stp5
-rw-r--r--testsuite/systemtap.base/const_value_func.c22
-rw-r--r--testsuite/systemtap.base/const_value_func.stp4
5 files changed, 130 insertions, 0 deletions
diff --git a/testsuite/systemtap.base/const_value.c b/testsuite/systemtap.base/const_value.c
new file mode 100644
index 00000000..2ed0f5c4
--- /dev/null
+++ b/testsuite/systemtap.base/const_value.c
@@ -0,0 +1,29 @@
+#include "sdt.h"
+
+struct foo
+{
+ const int i;
+ const long j;
+};
+
+typedef struct foo fooer;
+
+static int
+bar (const int i, const long j)
+{
+ return i * j;
+}
+
+static int
+func (int (*f) ())
+{
+ const fooer baz = { .i = 2, .j = 21 };
+ STAP_PROBE (test, constvalues);
+ return f(baz.i, baz.j);
+}
+
+int
+main (int argc, char *argv[], char *envp[])
+{
+ return func (&bar) - 42;
+}
diff --git a/testsuite/systemtap.base/const_value.exp b/testsuite/systemtap.base/const_value.exp
new file mode 100644
index 00000000..afffebca
--- /dev/null
+++ b/testsuite/systemtap.base/const_value.exp
@@ -0,0 +1,70 @@
+# DW_AT_const_value (blocks).
+set test "const_value"
+set ::result_string {i: 2
+j: 21}
+
+set test_flags "additional_flags=-g"
+# We need -O2 to get const_value encodings in dwarf.
+set test_flags "$test_flags additional_flags=-O2"
+set test_flags "$test_flags additional_flags=-I$srcdir/../includes/sys"
+
+set res [target_compile $srcdir/$subdir/$test.c $test.exe executable "$test_flags"]
+if { $res != "" } {
+ verbose "target_compile failed: $res" 2
+ fail "$test.c compile"
+ untested "$test"
+ return
+} else {
+ pass "$test.c compile"
+}
+
+# Test only when we are running an install test (can execute) and when
+# gcc generated DW_AT_const_values for us. We are interested in block
+# constant values.
+if {[installtest_p] && [uprobes_p]} {
+ set dw_at_c {DW_AT_const_value}
+ if {![catch {exec readelf --debug-dump=info $test.exe | grep "$dw_at_c"}]} {
+ stap_run2 $srcdir/$subdir/$test.stp -c ./$test.exe
+ } {
+ untested "$test (no-const-value)"
+ }
+} else {
+ untested "$test"
+}
+catch {exec rm -f $test.exe}
+
+
+# DW_AT_const_value (address).
+set test "const_value_func"
+set ::result_string {f: bar}
+
+set test_flags "additional_flags=-g"
+# We need -O2 to get const_value encodings in dwarf.
+set test_flags "$test_flags additional_flags=-O2"
+set test_flags "$test_flags additional_flags=-I$srcdir/../includes/sys"
+
+set res [target_compile $srcdir/$subdir/$test.c $test.exe executable "$test_flags"]
+if { $res != "" } {
+ verbose "target_compile failed: $res" 2
+ fail "$test.c compile"
+ untested "$test"
+ return
+} else {
+ pass "$test.c compile"
+}
+
+# Test only when we are running an install test (can execute) and when
+# gcc generated DW_AT_const_values for us. We are interested in pure
+# constant addresses.
+if {[installtest_p] && [uprobes_p]} {
+ set dw_at_c {DW_AT_const_value}
+ if {![catch {exec readelf --debug-dump=info $test.exe | grep "$dw_at_c"}]} {
+ setup_xfail 10739 "*-*-*"
+ stap_run2 $srcdir/$subdir/$test.stp -c ./$test.exe
+ } {
+ untested "$test (no-const-value)"
+ }
+} else {
+ untested "$test"
+}
+catch {exec rm -f $test.exe} \ No newline at end of file
diff --git a/testsuite/systemtap.base/const_value.stp b/testsuite/systemtap.base/const_value.stp
new file mode 100644
index 00000000..7aded0f2
--- /dev/null
+++ b/testsuite/systemtap.base/const_value.stp
@@ -0,0 +1,5 @@
+probe process("const_value.exe").mark("constvalues")
+{
+ printf("i: %d\n", $baz->i);
+ printf("j: %d\n", $baz->j);
+} \ No newline at end of file
diff --git a/testsuite/systemtap.base/const_value_func.c b/testsuite/systemtap.base/const_value_func.c
new file mode 100644
index 00000000..23f2f0bc
--- /dev/null
+++ b/testsuite/systemtap.base/const_value_func.c
@@ -0,0 +1,22 @@
+#include "sdt.h"
+
+static int
+bar (int i, long j)
+{
+ return i * j;
+}
+
+static int
+func (int (*f) ())
+{
+ volatile int i = 2;
+ volatile long j = 21;
+ STAP_PROBE (test, constvalues);
+ return f(i, j);
+}
+
+int
+main (int argc, char *argv[], char *envp[])
+{
+ return func (&bar) - 42;
+}
diff --git a/testsuite/systemtap.base/const_value_func.stp b/testsuite/systemtap.base/const_value_func.stp
new file mode 100644
index 00000000..9dad9150
--- /dev/null
+++ b/testsuite/systemtap.base/const_value_func.stp
@@ -0,0 +1,4 @@
+probe process("const_value_func.exe").mark("constvalues")
+{
+ printf("f: %s\n", usymname($f));
+} \ No newline at end of file