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|
# Test the private keyword feature
set test "private"
# Setup
file mkdir "$test"
file copy "$srcdir/$subdir/${test}.stp" "$test"
cd "$test"
foreach runtime [get_runtime_list] {
if {$runtime == ""} {set runtime kernel}
# Subtest
set subtest "$test private-variable-basic"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe oneshot \{println(gtest1_getter(), \",\", gtest2_getter())\}}"
expect {
-timeout 160
-re {^3,7\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test private-variable-illegal-access"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe oneshot \{println(gtest1)\}}"
expect {
-timeout 160
-re {semantic error: unresolved type : identifier 'gtest1'} {
incr __counter
exp_continue
}
-re {^[^\r\n]+\r\n} {
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test private-function-basic"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe oneshot \{println(getthree())\}}"
expect {
-timeout 160
-re {^3\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test private-function-illegal-access"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe oneshot \{println(three())\}}"
expect {
-timeout 160
-re {semantic error: unresolved function[^\r\n]+identifier 'three' at} {
incr __counter
exp_continue
}
-re {^[^\r\n]+\r\n} {
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test global-variable-access"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe oneshot \{println(myglobal)\}}"
expect {
-timeout 160
-re {^11\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test global-variable-access-override"
set __counter 0
eval spawn "stap --runtime=$runtime -G myglobal=12 -I . -e {probe oneshot \{println(myglobal)\}}"
expect {
-timeout 160
-re {^12\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
# NB: Some kernels fail to load the module, but some just printk that
# they're ignoring unknown parameters and continue anyway. stapdyn also
# just warns and continues, so treat either hard error or unmodified pt
# output as a test PASS.
set subtest "$test private-variable-override-denied"
set __counter 0
eval spawn "stap --runtime=$runtime -G pt=12 -e {private pt=13; probe oneshot \{println(pt)\}}"
expect {
-timeout 160
-re {^ERROR: Couldn't insert module[^\r\n]+Unknown symbol in module\r\n} {
incr __counter
exp_continue
}
-re {^stapdyn: WARNING: Ignoring unknown module option 'pt'\r\n} {
exp_continue
}
-re {^13\r\n} {
incr __counter
exp_continue
}
-re {^[^\r\n]+\r\n} {
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test private-function-in-user-script"
set __counter 0
eval spawn "stap --runtime=$runtime -e {private function foo() { println(42) } probe oneshot \{ foo() \}}"
expect {
-timeout 160
-re {^42\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
set subtest "$test multiple-private-global-var-decl"
set __counter 0
eval spawn "stap --runtime=$runtime -e {private varA = 41, varB = 42 probe oneshot \{ println(varA, varB) \}}"
expect {
-timeout 160
-re {^4142\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
if {$runtime != "dyninst"} {
set subtest "$test PR13721-workaround-test"
set __counter 0
eval spawn "stap --runtime=$runtime -e {private addr probe begin\{addr\[AF_INET()\]=\"addr\" exit()\}}"
expect {
-timeout 160
-re {^addr\[2\]="addr"\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
}
# Subtest
# PR20307 Make sure a private global variable (defined in a tapset)
# is resolvable within a probe alias (from that same tapset).
set subtest "$test PR20307-private-variable-in-tapset-probe-alias"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe foo \{println(f) exit()\}}"
expect {
-timeout 160
-re {^7\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
# Subtest
# Analogy to the above, but for a private global function.
set subtest "$test private-function-in-tapset-probe-alias"
set __counter 0
eval spawn "stap --runtime=$runtime -I . -e {probe bar \{println(g) exit()\}}"
expect {
-timeout 160
-re {^3\r\n} {
incr __counter
exp_continue
}
timeout {fail "$subtest (timeout)"}
}
catch {close}; catch {wait}
if {$__counter == 1} {pass $subtest} else {fail $subtest}
}
# Cleanup
cd ..
file delete -force "$test"
|
