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808cb744 JR |
1 | /* |
2 | * Unit tests for the kernel probe location API. | |
3 | * | |
4 | * Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
5 | * | |
6 | * SPDX-License-Identifier: LGPL-2.1-only | |
7 | * | |
8 | */ | |
9 | ||
c9e313bc SM |
10 | #include <common/payload-view.hpp> |
11 | #include <common/payload.hpp> | |
28ab034a | 12 | |
c9e313bc | 13 | #include <lttng/kernel-probe-internal.hpp> |
808cb744 JR |
14 | #include <lttng/kernel-probe.h> |
15 | ||
28ab034a JG |
16 | #include <inttypes.h> |
17 | #include <stdio.h> | |
18 | #include <string.h> | |
19 | #include <tap/tap.h> | |
20 | #include <unistd.h> | |
21 | ||
808cb744 JR |
22 | /* For error.h */ |
23 | int lttng_opt_quiet = 1; | |
24 | int lttng_opt_verbose; | |
25 | int lttng_opt_mi; | |
26 | ||
27 | #define NUM_TESTS 24 | |
28 | ||
cd9adb8b | 29 | static void test_kernel_probe_location_address() |
808cb744 | 30 | { |
cd9adb8b JG |
31 | struct lttng_kernel_probe_location *location = nullptr; |
32 | struct lttng_kernel_probe_location *location_from_buffer = nullptr; | |
808cb744 JR |
33 | enum lttng_kernel_probe_location_status status; |
34 | enum lttng_kernel_probe_location_type type; | |
35 | uint64_t address = 50, _address; | |
36 | struct lttng_payload payload; | |
37 | ||
38 | diag("Testing kernel probe location address"); | |
39 | ||
40 | lttng_payload_init(&payload); | |
41 | ||
42 | location = lttng_kernel_probe_location_address_create(address); | |
43 | ok(location, "Location object"); | |
44 | ||
45 | type = lttng_kernel_probe_location_get_type(location); | |
46 | ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS == type, | |
28ab034a JG |
47 | "Location type got %d expected %d", |
48 | type, | |
49 | LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS); | |
808cb744 | 50 | |
28ab034a | 51 | status = lttng_kernel_probe_location_address_get_address(location, &_address); |
808cb744 JR |
52 | ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting address"); |
53 | ok(address == _address, | |
28ab034a JG |
54 | "Address is equal. Got %" PRIu64 " expected %" PRIu64, |
55 | _address, | |
56 | address); | |
808cb744 | 57 | |
28ab034a | 58 | ok(lttng_kernel_probe_location_serialize(location, &payload) > 0, "Serializing"); |
808cb744 | 59 | { |
28ab034a JG |
60 | struct lttng_payload_view view = lttng_payload_view_from_payload(&payload, 0, -1); |
61 | ok(lttng_kernel_probe_location_create_from_payload(&view, &location_from_buffer) > | |
62 | 0, | |
63 | "Deserializing"); | |
808cb744 JR |
64 | } |
65 | ||
66 | type = lttng_kernel_probe_location_get_type(location_from_buffer); | |
67 | ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS == type, | |
28ab034a JG |
68 | "Location from buffer type got %d expected %d", |
69 | type, | |
70 | LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS); | |
808cb744 | 71 | |
28ab034a | 72 | status = lttng_kernel_probe_location_address_get_address(location_from_buffer, &_address); |
808cb744 JR |
73 | ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting address"); |
74 | ok(address == _address, | |
28ab034a JG |
75 | "Address from buffer is equal. Got %" PRIu64 " expected %" PRIu64, |
76 | _address, | |
77 | address); | |
808cb744 JR |
78 | |
79 | ok(lttng_kernel_probe_location_is_equal(location, location_from_buffer), | |
28ab034a | 80 | "serialized and from buffer are equal"); |
808cb744 JR |
81 | |
82 | lttng_payload_reset(&payload); | |
83 | lttng_kernel_probe_location_destroy(location); | |
84 | lttng_kernel_probe_location_destroy(location_from_buffer); | |
85 | } | |
86 | ||
cd9adb8b | 87 | static void test_kernel_probe_location_symbol() |
808cb744 | 88 | { |
cd9adb8b JG |
89 | struct lttng_kernel_probe_location *location = nullptr; |
90 | struct lttng_kernel_probe_location *location_from_buffer = nullptr; | |
808cb744 JR |
91 | enum lttng_kernel_probe_location_status status; |
92 | enum lttng_kernel_probe_location_type type; | |
93 | uint64_t offset = 50, _offset; | |
94 | const char *symbol = "Une_bonne", *_symbol; | |
95 | struct lttng_payload payload; | |
96 | ||
97 | diag("Testing kernel probe location symbol"); | |
98 | ||
99 | lttng_payload_init(&payload); | |
100 | ||
101 | location = lttng_kernel_probe_location_symbol_create(symbol, offset); | |
102 | ok(location, "Location object"); | |
103 | ||
104 | type = lttng_kernel_probe_location_get_type(location); | |
105 | ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET == type, | |
28ab034a JG |
106 | "Location type got %d expected %d", |
107 | type, | |
108 | LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET); | |
808cb744 JR |
109 | |
110 | _symbol = lttng_kernel_probe_location_symbol_get_name(location); | |
111 | ok(_symbol, "Getting symbol name"); | |
112 | ok(!strncmp(symbol, _symbol, strlen(symbol)), | |
28ab034a JG |
113 | "Symbol name is equal. Got %s, expected %s", |
114 | _symbol, | |
115 | symbol); | |
808cb744 | 116 | |
28ab034a | 117 | status = lttng_kernel_probe_location_symbol_get_offset(location, &_offset); |
808cb744 | 118 | ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting offset"); |
28ab034a | 119 | ok(offset == _offset, "Offset is equal. Got %" PRIu64 " expected %" PRIu64, _offset, offset); |
808cb744 | 120 | |
28ab034a | 121 | ok(lttng_kernel_probe_location_serialize(location, &payload) > 0, "Serializing"); |
808cb744 | 122 | { |
28ab034a JG |
123 | struct lttng_payload_view view = lttng_payload_view_from_payload(&payload, 0, -1); |
124 | ok(lttng_kernel_probe_location_create_from_payload(&view, &location_from_buffer) > | |
125 | 0, | |
126 | "Deserializing"); | |
808cb744 JR |
127 | } |
128 | ||
129 | type = lttng_kernel_probe_location_get_type(location_from_buffer); | |
130 | ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET == type, | |
28ab034a JG |
131 | "Location from buffer type got %d expected %d", |
132 | type, | |
133 | LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET); | |
808cb744 | 134 | |
28ab034a | 135 | _symbol = lttng_kernel_probe_location_symbol_get_name(location_from_buffer); |
808cb744 JR |
136 | ok(_symbol, "Getting symbol name"); |
137 | ok(!strncmp(symbol, _symbol, strlen(symbol)), | |
28ab034a JG |
138 | "Symbol name is equal. Got %s, expected %s", |
139 | _symbol, | |
140 | symbol); | |
808cb744 | 141 | |
28ab034a | 142 | status = lttng_kernel_probe_location_symbol_get_offset(location_from_buffer, &_offset); |
808cb744 | 143 | ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting offset"); |
28ab034a | 144 | ok(offset == _offset, "Offset is equal. Got %" PRIu64 " expected %" PRIu64, _offset, offset); |
808cb744 JR |
145 | |
146 | ok(lttng_kernel_probe_location_is_equal(location, location_from_buffer), | |
28ab034a | 147 | "serialized and from buffer are equal"); |
808cb744 JR |
148 | |
149 | lttng_payload_reset(&payload); | |
150 | lttng_kernel_probe_location_destroy(location); | |
151 | lttng_kernel_probe_location_destroy(location_from_buffer); | |
152 | } | |
153 | ||
cd9adb8b | 154 | int main() |
808cb744 JR |
155 | { |
156 | plan_tests(NUM_TESTS); | |
157 | test_kernel_probe_location_address(); | |
158 | test_kernel_probe_location_symbol(); | |
159 | return exit_status(); | |
160 | } |