diff options
Diffstat (limited to 'testsuite/systemtap.base')
-rw-r--r-- | testsuite/systemtap.base/const_value.c | 29 | ||||
-rw-r--r-- | testsuite/systemtap.base/const_value.exp | 70 | ||||
-rw-r--r-- | testsuite/systemtap.base/const_value.stp | 5 | ||||
-rw-r--r-- | testsuite/systemtap.base/const_value_func.c | 22 | ||||
-rw-r--r-- | testsuite/systemtap.base/const_value_func.stp | 4 |
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 |