addr2line.cpp - asar coverage

addr2line.cpp

Line	Branch	Exec	Source
1			#include "addr2line.h"
2			#include "crc32.h"
3
4			//////////////////////////////////////////////////////////////////////////
5			// Class to store address-to-line mappings for richer symbolic information
6			//
7			// During assembly, included files and information about generated asm
8			// should be added to this, and then read back during symbol file
9			// generation
10
11		859	void AddressToLineMapping::reset()
12			{
13		859	m_fileList.reset();
14		859	m_file_indices_map.clear();
15		859	m_addrToLineInfo.reset();
16		859	}
17
18			// Adds information of what source file and line number an output rom address is at
19		5534	void AddressToLineMapping::includeMapping(const char* filename, int line, int addr)
20			{
21		2782	AddrToLineInfo newInfo;
22	2/4 ✓ Branch 2 → 3 taken 2752 times. ✗ Branch 2 → 5 not taken. ✓ Branch 4 → 5 taken 2782 times. ✗ Branch 4 → 11 not taken.	5534	newInfo.fileIdx = getFileIndex(filename);
23		5534	newInfo.line = line;
24		5534	newInfo.addr = addr;
25
26	2/4 ✓ Branch 3 → 4 taken 2752 times. ✗ Branch 3 → 5 not taken. ✓ Branch 8 → 9 taken 2782 times. ✗ Branch 8 → 11 not taken.	5534	m_addrToLineInfo.append(newInfo);
27		5534	}
28
29			// Helper to add file to list, and get the index of that file
30		5534	int AddressToLineMapping::getFileIndex(const char* filename)
31			{
32			// check if the file exists first
33	7/11 ✓ Branch 2 → 3 taken 2752 times. ✗ Branch 2 → 24 not taken. ✓ Branch 3 → 4 taken 2752 times. ✗ Branch 3 → 22 not taken. ✓ Branch 7 → 8 taken 5433 times. ✓ Branch 7 → 10 taken 101 times. ✗ Branch 7 → 55 not taken. ✓ Branch 9 → 10 taken 2782 times. ✗ Branch 9 → 53 not taken. ✓ Branch 20 → 21 taken 2660 times. ✓ Branch 20 → 25 taken 122 times.	5534	if(auto it = m_file_indices_map.find(filename); it != m_file_indices_map.end()) {
34		5311	return it->second;
35			}
36
37			// file doesn't exist, so start tracking it
38		223	char* data = nullptr;
39		223	int len = 0;
40		223	uint32_t fileCrc = 0;
41	4/9 ✓ Branch 10 → 12 taken 101 times. ✗ Branch 10 → 32 not taken. ✗ Branch 10 → 33 not taken. ✓ Branch 12 → 13 taken 101 times. ✗ Branch 12 → 15 not taken. ✓ Branch 30 → 31 taken 122 times. ✗ Branch 30 → 66 not taken. ✓ Branch 31 → 32 taken 122 times. ✗ Branch 31 → 34 not taken.	223	if (readfile(filename, "", &data, &len))
42			{
43	2/5 ✓ Branch 13 → 14 taken 101 times. ✗ Branch 13 → 32 not taken. ✗ Branch 13 → 33 not taken. ✓ Branch 32 → 33 taken 122 times. ✗ Branch 32 → 66 not taken.	223	fileCrc = crc32((const uint8_t*)data, (unsigned int)len);
44			}
45		223	free(data);
46
47		223	int result = m_fileList.count;
48	1/2 ✓ Branch 41 → 42 taken 122 times. ✗ Branch 41 → 59 not taken.	345	m_fileList.append({ string(filename), fileCrc });
49	2/4 ✓ Branch 18 → 19 taken 101 times. ✗ Branch 18 → 32 not taken. ✓ Branch 47 → 48 taken 122 times. ✗ Branch 47 → 66 not taken.	223	m_file_indices_map.emplace(filename, result);
50
51		223	return result;
52	3/10 ✓ Branch 15 → 16 taken 101 times. ✗ Branch 15 → 31 not taken. ✓ Branch 16 → 17 taken 101 times. ✗ Branch 16 → 26 not taken. ✗ Branch 28 → 29 not taken. ✗ Branch 28 → 30 not taken. ✓ Branch 39 → 40 taken 122 times. ✗ Branch 39 → 64 not taken. ✗ Branch 61 → 62 not taken. ✗ Branch 61 → 63 not taken.	223	}
53

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