Provided by: clang-4.0_4.0-1ubuntu1~16.04.2_amd64 
NAME
sancov - manual page for sancov 4.0
DESCRIPTION
ERROR: ld.so: object 'libfakeroot-sysv.so' from LD_PRELOAD cannot be preloaded (cannot open shared object
file): ignored. 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 (sanitizer 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 instrumentation points addresses.
-covered-functions - Print all covered funcions.
-not-covered-functions - Print all not covered funcions.
-print-coverage-stats - Print coverage statistics.
-html-report - REMOVED. Use -symbolize & coverage-report-server.py.
-symbolize - Produces a symbolized JSON report from binary report.
-merge - Merges reports.
-demangle - Print demangled function 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 variable 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-precision 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 registers
-mips-compact-branches - MIPS Specific: Compact 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 constant 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 precision 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 dominator info (time consuming)
-verify-regalloc - Verify during register allocation
-verify-region-info - Verify region info (time consuming)
-verify-scev - Verify ScalarEvolution'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 August 2017 SANCOV(1)