File: process-begin-user.exp

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set test "process-begin-user"
set testpath "$srcdir/$subdir"

if {! [installtest_p]} { untested $test; return }
if {! [uretprobes_p]} { untested $test; return }

# --- TEST 1 ---

set subtest1 "TEST 1: register() in probe process.begin"

set res [target_compile ${testpath}/${test}_1.c ./a.out executable \
    "additional_flags=-O additional_flags=-g"]
if {$res ne ""} {
    verbose "target_compile failed: $res" 2
    fail "$test: $subtest1: unable to compile ${test}_1.c"
} else {
    if {! [process_template_file "$srcdir/$subdir/${test}_1.stp" \
                                 "./${test}_1.stp" "./a.out" nm_err]} {
        fail "$test: $subtest1: $nm_err"
    } else {
        foreach runtime [get_runtime_list] {
            if {$runtime eq ""} {
                set runtime "kernel"
            }
            set test_name "$test: $subtest1 ($runtime)"
            set cmd "stap --runtime=$runtime -c ./a.out './${test}_1.stp'"
            set exit_code [run_cmd_2way $cmd out stderr]
            set out_pat "\\Arip: 0x\[1-9a-f\]\[0-9a-f\]*\\nsame uaddr\\n\\Z"
            like "${test_name}: stdout" $out $out_pat "-lineanchor"
            is "${test_name}: exit code" $exit_code 0
            if {$stderr ne ""} {
                send_log "stderr:\n$stderr"
            }
        }
    }
}

# --- TEST 2 ---

set subtest2 "TEST 2: register() in probe process.end"

# NB This test case is expected to fail on CentOS 6 on which registers are
# actually usable in the prcoess.end probe.

set res [target_compile ${testpath}/${test}_1.c ./a.out executable \
    "additional_flags=-O additional_flags=-g"]
if {$res ne ""} {
    verbose "target_compile failed: $res" 2
    fail "$test: $subtest2: unable to compile ${test}_1.c"
} else {
    if {! [process_template_file "$srcdir/$subdir/${test}_2.stp" \
                                 "./${test}_2.stp" "./a.out" nm_err]} {
        fail "$test: $subtest2: $nm_err"
    } else {
        foreach runtime [get_runtime_list] {
            if {$runtime eq ""} {
                set runtime "kernel"
            }
            set test_name "$test: $subtest2 ($runtime)"
            set cmd "stap --runtime=$runtime -c ./a.out './${test}_2.stp'"
            set exit_code [run_cmd_2way $cmd out stderr]
            set exp_out ""
            is "${test_name}: stdout" $out $exp_out
            isnt "${test_name}: exit code" $exit_code 0
            set stderr_pat "ERROR: cannot access CPU registers in this context"
            like "${test_name}: stderr" $stderr $stderr_pat "-linestop"
        }
    }
}

# --- TEST 3 ---

set subtest3 "TEST 3: @var() in probe process(PATH).begin (with vma tracker)"

set res [target_compile ${testpath}/${test}_3.c ./a.out executable \
    "additional_flags=-O additional_flags=-g additional_flags=-pie additional_flags=-fpic"]
if {$res ne ""} {
    verbose "target_compile failed: $res" 2
    fail "$test: $subtest3: unable to compile ${test}_3.c"
} else {
    if {! [process_template_file "$srcdir/$subdir/${test}_3.stp" \
                                 "./${test}_3.stp" "./a.out" nm_err]} {
        fail "$test: $subtest3: $nm_err"
    } else {
        foreach runtime [get_runtime_list] {
            if {$runtime eq ""} {
                set runtime "kernel"
            }
            set test_name "$test: $subtest3 ($runtime)"
            set cmd "stap --runtime=$runtime -c ./a.out './${test}_3.stp'"
            set exit_code [run_cmd_2way $cmd out stderr]
            set exp_out "a: 32\n"
            is "${test_name}: stdout" $out $exp_out
            is "${test_name}: exit code" $exit_code 0
            if {$stderr ne ""} {
                send_log "stderr:\n$stderr"
            }
        }
    }
}

# --- TEST 4 ---

set subtest4 "TEST 4: @var() in probe process.begin (with vma tracker)"

set res [target_compile ${testpath}/${test}_3.c ./a.out executable \
    "additional_flags=-O additional_flags=-g additional_flags=-pie additional_flags=-fpic"]
if {$res ne ""} {
    verbose "target_compile failed: $res" 2
    fail "$test: $subtest4: unable to compile ${test}_3.c"
} else {
    if {! [process_template_file "$srcdir/$subdir/${test}_4.stp" \
                                 "./${test}_4.stp" "./a.out" nm_err]} {
        fail "$test: $subtest4: $nm_err"
    } else {
        foreach runtime [get_runtime_list] {
            if {$runtime eq ""} {
                set runtime "kernel"
            }
            set test_name "$test: $subtest4 ($runtime)"
            set cmd "stap --runtime=$runtime -c ./a.out './${test}_4.stp'"
            set exit_code [run_cmd_2way $cmd out stderr]
            set exp_out "a: 32\n"
            is "${test_name}: stdout" $out $exp_out
            is "${test_name}: exit code" $exit_code 0
            if {$stderr ne ""} {
                send_log "stderr:\n$stderr"
            }
        }
    }
}