qemu-patch-raspberry4/tests/qtest/fuzz/fork_fuzz.ld
Alexander Bulekov 2f36421c34 fuzz: fix style/typos in linker-script comments
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200227031439.31386-2-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-03-06 10:33:26 +00:00

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/*
* 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*);
}
.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;