blob: bfb667ed06883a8ace8412da7bd58e3bd2e987e6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* We adjust linker script modification to place all of the stuff that needs to
* persist across fuzzing runs into a contiguous section of memory. Then, it is
* easy to re-map the counter-related memory as shared.
*/
SECTIONS
{
.data.fuzz_start : ALIGN(4K)
{
__FUZZ_COUNTERS_START = .;
__start___sancov_cntrs = .;
*(_*sancov_cntrs);
__stop___sancov_cntrs = .;
/* Lowest stack counter */
*(__sancov_lowest_stack);
}
.data.fuzz_ordered :
{
/*
* Coverage counters. They're not necessary for fuzzing, but are useful
* for analyzing the fuzzing performance
*/
__start___llvm_prf_cnts = .;
*(*llvm_prf_cnts);
__stop___llvm_prf_cnts = .;
/* Internal Libfuzzer TracePC object which contains the ValueProfileMap */
FuzzerTracePC*(.bss*);
/*
* In case the above line fails, explicitly specify the (mangled) name of
* the object we care about
*/
*(.bss._ZN6fuzzer3TPCE);
}
.data.fuzz_end : ALIGN(4K)
{
__FUZZ_COUNTERS_END = .;
}
}
/*
* Don't overwrite the SECTIONS in the default linker script. Instead insert the
* above into the default script
*/
INSERT AFTER .data;
|
