SANCOV(1) User Commands SANCOV(1)NAME
sancov - manual page for sancov 4.0
DESCRIPTION
OVERVIEW: Sanitizer Coverage Processing Tool USAGE: sancov [options]
(<binary file>|<.sancov file>)...
OPTIONS:
General options:
-aarch64-neon-syntax - Choose style of NEON
code to emit from AArch64 backend:
=generic
- Emit generic NEON assembly
=apple - Emit Apple-style NEON assembly
-amdgpu-dump-rtmd - Dump AMDGPU runtime
metadata
-amdgpu-spill-sgpr-to-smem - Use scalar stores to
spill SGPRs if supported by subtarget
-amdgpu-vgpr-index-mode - Use GPR indexing mode
instead of movrel for vector indexing
-arm-execute-only-
-arm-implicit-it - Allow conditional
instructions outdside of an IT block
=always
- Accept in both ISAs, emit implicit ITs in Thumb
=never - Warn in ARM, reject in Thumb
=arm - Accept in ARM, reject in Thumb
=thumb - Warn in ARM, emit implicit ITs in Thumb
-blacklist=<string> - Blacklist file (sani‐
tizer blacklist format).
-bounds-checking-single-trap - Use one trap block
per function
-color - use colored syntax
highlighting (default=autodetect)
Action (required)
-print - Print coverage
addresses
-print-coverage-pcs - Print coverage instru‐
mentation points addresses.
-covered-functions - Print all covered fun‐
cions.
-not-covered-functions - Print all not covered
funcions.
-print-coverage-stats - Print coverage statis‐
tics.
-html-report - REMOVED. Use -symbolize
& coverage-report-server.py.
-symbolize - Produces a symbolized
JSON report from binary report.
-merge - Merges reports.
-cvp-dont-process-adds-
-demangle - Print demangled func‐
tion name.
-disable-spill-fusing - Disable fusing of
spill code into instructions
-enable-implicit-null-checks - Fold null checks into
faulting memory operations
-enable-load-pre-
-enable-name-compression - Enable name string
compression
-enable-objc-arc-opts - enable/disable all
ARC Optimizations
-enable-scoped-noalias-
-enable-tbaa-
-exhaustive-register-search - Exhaustive Search for
registers bypassing the depth and interference cutoffs of last
chance recoloring
-expensive-combines - Enable expensive
instruction combines
-filter-print-funcs=<function names> - Only print IR for
functions whose name match this for all
print-[before|after][-all] options
-gpsize=<uint> - Global Pointer
Addressing Size.
The default size is 8.
-hash-based-counter-split - Rename counter vari‐
able of a comdat function based on cfg hash
-ignore-empty-index-file - Ignore an empty index
file and perform non-ThinLTO compilation
-imp-null-check-page-size=<int> - The page size of the
target in bytes
-imp-null-max-insts-to-consider=<uint> - The max number of
instructions to consider hoisting loads over (the algorithm is
quadratic over this number)
-internalize-public-api-file=<filename> - A file containing
list of symbol names to preserve
-internalize-public-api-list=<list> - A list of symbol
names to preserve
-join-liveintervals - Coalesce copies
(default=true)
-limit-float-precision=<uint> - Generate low-preci‐
sion inline sequences for some float libcalls
-lto-pass-remarks-output=<filename> - Output filename for
pass remarks
-merror-missing-parenthesis - Error for missing
parenthesis around predicate registers
-merror-noncontigious-register - Error for register
names that aren't contigious
-mfuture-regs - Enable future regis‐
ters
-mips-compact-branches - MIPS Specific: Com‐
pact branch policy.
=never
- Do not use compact branches if possible.
=optimal
- Use compact branches where appropiate (default).
=always
- Always use compact branches if possible.
-mips16-constant-islands - Enable mips16 con‐
stant islands.
-mips16-hard-float - Enable mips16 hard
float.
-mno-compound - Disable looking for
compound instructions for Hexagon
-mno-fixup - Disable fixing up
resolved relocations for Hexagon
-mno-ldc1-sdc1 - Expand double preci‐
sion loads and stores to their single precision counterparts
-mno-pairing - Disable looking for
duplex instructions for Hexagon
-mwarn-missing-parenthesis - Warn for missing
parenthesis around predicate registers
-mwarn-noncontigious-register - Warn for register
names that arent contigious
-mwarn-sign-mismatch - Warn for mismatching
a signed and unsigned value
-no-discriminators - Disable generation of
discriminator information.
-nvptx-sched4reg - NVPTX Specific:
schedule for register pressue
-print-after-all - Print IR after each
pass
-print-before-all - Print IR before each
pass
-print-machineinstrs=<pass-name> - Print machine instrs
-r600-ir-structurize - Use StructurizeCFG IR
pass
-rdf-dump-
-rdf-limit=<uint> -
-regalloc - Register allocator to
use
=default
- pick register allocator based on -O option
=pbqp - PBQP register allocator
=greedy
- greedy register allocator
=fast - fast register allocator
=basic - basic register allocator
-rewrite-map-file=<filename> - Symbol Rewrite Map
-rng-seed=<seed> - Seed for the random
number generator
-sample-profile-check-record-coverage=<N> - Emit a warning if
less than N% of records in the input profile are matched to the
IR.
-sample-profile-check-sample-coverage=<N> - Emit a warning if
less than N% of samples in the input profile are matched to the
IR.
-sample-profile-inline-hot-threshold=<N> - Inlined functions
that account for more than N% of all samples collected in the
parent function, will be inlined again.
-sample-profile-max-propagate-iterations=<uint> - Maximum number of
iterations to go through when propagating sample block/edge
weights through the CFG.
-skip-dead-files - Do not list dead
source files in reports.
-stackmap-version=<int> - Specify the stackmap
encoding version (default = 2)
-static-func-full-module-prefix - Use full module build
paths in the profile counter names for static functions.
-stats - Enable statistics
output from program (available with Asserts)
-stats-json - Display statistics as
json data
-strip_path_prefix=<string> - Strip this prefix
from file paths in reports.
-summary-file=<string> - The summary file to
use for function importing.
-threads=<int> -
-time-passes - Time each pass,
printing elapsed time for each on exit
-verify-debug-info-
-verify-dom-info - Verify dominator info
(time consuming)
-verify-loop-info - Verify loop info
(time consuming)
-verify-loop-lcssa - Verify loop lcssa
form (time consuming)
-verify-machine-dom-info - Verify machine domi‐
nator info (time consuming)
-verify-regalloc - Verify during regis‐
ter allocation
-verify-region-info - Verify region info
(time consuming)
-verify-scev - Verify ScalarEvolu‐
tion's backedge taken counts (slow)
-verify-scev-maps - Verify no dangling
value in ScalarEvolution's ExprValueMap (slow)
-vp-counters-per-site=<number> - The average number of
profile counters allocated per value profiling site.
-vp-static-alloc - Do static counter
allocation for value profiler
-x86-asm-syntax - Choose style of code
to emit from X86 backend:
=att - Emit AT&T-style assembly
=intel - Emit Intel-style assembly
Generic Options:
-help - Display available
options (-help-hidden for more)
-help-list - Display list of
available options (-help-list-hidden for more)
-version - Display the version
of this program
SEE ALSO
The full documentation for sancov is maintained as a Texinfo manual.
If the info and sancov programs are properly installed at your site,
the command
info sancov
should give you access to the complete manual.
sancov 4.0 October 2017 SANCOV(1)
