1 /*
2 * Percepio Trace Recorder for Tracealyzer v4.6.6
3 * Copyright 2021 Percepio AB
4 * www.percepio.com
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 *
8 * The implementation for strings.
9 */
10
11 #include <trcRecorder.h>
12
13 #if (TRC_USE_TRACEALYZER_RECORDER == 1)
14
15 #if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
16
xTraceStringRegister(const char * szString,TraceStringHandle_t * pString)17 traceResult xTraceStringRegister(const char* szString, TraceStringHandle_t *pString)
18 {
19 TraceEntryHandle_t xEntryHandle;
20 TraceEventHandle_t xEventHandle = 0;
21 uint32_t i = 0, uiLength = 0, uiValue = 0;
22
23 /* This should never fail */
24 TRC_ASSERT(szString != 0);
25
26 /* This should never fail */
27 TRC_ASSERT(pString != 0);
28
29 /* We need to check this */
30 if (xTraceEntryCreate(&xEntryHandle) == TRC_FAIL)
31 {
32 return TRC_FAIL;
33 }
34
35 /* The address to the available symbol table slot is the address we use */
36 /* This should never fail */
37 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntrySetSymbol(xEntryHandle, szString) == TRC_SUCCESS);
38
39 *pString = (TraceStringHandle_t)xEntryHandle;
40
41 for (i = 0; (szString[i] != 0) && (i < (TRC_ENTRY_TABLE_SLOT_SYMBOL_SIZE)); i++) {}
42
43 uiLength = i;
44
45 /* We need to check this */
46 if (xTraceEventBegin(PSF_EVENT_OBJ_NAME, sizeof(void*) + uiLength, &xEventHandle) == TRC_SUCCESS)
47 {
48 xTraceEventAddPointer(xEventHandle, (void*)xEntryHandle);
49 xTraceEventAddData(xEventHandle, (void*)szString, uiLength);
50
51 /* Check if we can truncate */
52 xTraceEventPayloadRemaining(xEventHandle, &uiValue);
53 if (uiValue > 0)
54 {
55 xTraceEventAdd8(xEventHandle, 0);
56 }
57
58 xTraceEventEnd(xEventHandle);
59 }
60
61 return TRC_SUCCESS;
62 }
63
xTraceRegisterString(const char * name)64 TraceStringHandle_t xTraceRegisterString(const char *name)
65 {
66 TraceStringHandle_t trcStr = 0;
67 xTraceStringRegister(name, &trcStr);
68
69 return trcStr;
70 }
71
72 #endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
73
74 #endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
75
