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|
set test "global_access"
if {![installtest_p]} {untested $test; return}
proc run_test {test script expected} {
set success 0
spawn stap -g -e $script
expect {
-timeout 30
-re "$expected" {pass $test}
default {fail $test}
}
catch { close }; catch { wait }
}
set script1 {
global var
function read:long() %{
/* pragma:read:var */
STAP_RETURN(STAP_GLOBAL_GET_var());
%}
probe begin {
var = 111
println(read())
exit()
}
}
set script2 {
global var[100]
function read:long() %{
/* pragma:read:var */
STAP_RETURN(STAP_GLOBAL_GET_var(1, 1));
%}
probe begin {
var[1,1] = 222
println(read())
exit()
}
}
set script3 {
global var
probe begin {
var = 333
println(%{ /* pragma:read:var */ STAP_GLOBAL_GET_var() %})
exit()
}
}
set script4 {
global var[100]
probe begin {
var[1,1] = 444
println(%{ /* pragma:read:var */ STAP_GLOBAL_GET_var(1,1) %})
exit()
}
}
set script5 {
global var = 0
function write() %{
/* pragma:write:var */
STAP_GLOBAL_SET_var(555);
%}
probe begin {
write()
println(var)
exit()
}
}
set script6 {
global var[100]
function write() %{
/* pragma:write:var */
STAP_GLOBAL_SET_var(1,1,666);
%}
probe begin {
var[1,1] = 0
write()
println(var[1,1])
exit()
}
}
set script7 {
global var = 0
probe begin {
%{ /* pragma:write:var */ STAP_GLOBAL_SET_var(777) %}
println(var)
exit()
}
}
set script8 {
global var[100]
probe begin {
var[1,1] = 0
%{ /* pragma:write:var */ STAP_GLOBAL_SET_var(1,1,888) %}
println(var[1,1])
exit()
}
}
set script9 {
global var = ""
function write() %{
/* pragma:write:var */
STAP_GLOBAL_SET_var("hello");
%}
probe begin {
write()
println(var)
exit()
}
}
set script10 {
global var[100]
function write() %{
/* pragma:write:var */
STAP_GLOBAL_SET_var(1,1,"hello");
%}
probe begin {
var[1,1] = ""
write()
println(var[1,1])
exit()
}
}
set script11 {
global var = ""
probe begin {
%{ /* pragma:write:var */ STAP_GLOBAL_SET_var("hello") %}
println(var)
exit()
}
}
set script12 {
global var[100]
probe begin {
var[1,1] = ""
%{ /* pragma:write:var */ STAP_GLOBAL_SET_var(1,1,"hello") %}
println(var[1,1])
exit()
}
}
set script13 {
global var = "hello"
global var2 = ""
function write() %{
/* pragma:read:var */
/* pragma:write:var2 */
STAP_GLOBAL_SET_var2(STAP_GLOBAL_GET_var());
%}
probe begin {
write()
println(var2)
exit()
}
}
set script14 {
global var[100]
global var2[100]
function write() %{
/* pragma:read:var */
/* pragma:write:var2 */
STAP_GLOBAL_SET_var2(1,1,STAP_GLOBAL_GET_var(1,1));
%}
probe begin {
var[1,1] = "hello"
var2[1,1] = ""
write()
println(var2[1,1])
exit()
}
}
run_test function_read_scalar_integer $script1 111
run_test function_read_map_integer $script2 222
run_test block_read_scalar_integer $script3 333
run_test block_read_map_integer $script4 444
run_test function_write_scalar_integer $script5 555
run_test function_write_map_integer $script6 666
run_test block_write_scalar_integer $script7 777
run_test block_write_map_integer $script8 888
# Note: strings are decayed to pointers when returned from embedded-C
# so we do not try to read them in embedded expressions
run_test function_write_scalar_string $script9 "hello"
run_test function_write_map_string $script10 "hello"
run_test block_write_scalar_string $script11 "hello"
run_test block_write_map_string $script12 "hello"
run_test function_read_scalar_string $script13 "hello"
run_test function_read_map_string $script14 "hello"
|
