Commit 6e6164f8a6c74c8ea5a87ac9961b491b9f89b780 | zig

author	Andrew Kelley <andrew@ziglang.org> 2024-08-04 16:09:14-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2024-08-07 00:48:32-07:00
log	6e6164f8a6c74c8ea5a87ac9961b491b9f89b780
tree	475ac823f86b7d22d8a93205eea4d24c15d972a2
parent	f56d11350313d5e45be0679bd8fab2a96892c40c

3 files changed, 16 insertions(+), 0 deletions(-)

lib/fuzzer/index.html+1

...	...	@@ -129,6 +129,7 @@
129	129	<ul>
130	130	<li>Total Runs: <span id="statTotalRuns"></span></li>
131	131	<li>Unique Runs: <span id="statUniqueRuns"></span></li>
	132	<li>Coverage: <span id="statCoverage"></span></li>
132	133	<li>Lowest Stack: <span id="statLowestStack"></span></li>
133	134	</ul>
134	135	</div>

lib/fuzzer/main.js+4

...	...	@@ -5,6 +5,7 @@
5	5	const domSourceText = document.getElementById("sourceText");
6	6	const domStatTotalRuns = document.getElementById("statTotalRuns");
7	7	const domStatUniqueRuns = document.getElementById("statUniqueRuns");
	8	const domStatCoverage = document.getElementById("statCoverage");
8	9	const domStatLowestStack = document.getElementById("statLowestStack");
9	10
10	11	let wasm_promise = fetch("main.wasm");
...	...	@@ -112,8 +113,11 @@
112	113	function renderStats() {
113	114	const totalRuns = wasm_exports.totalRuns();
114	115	const uniqueRuns = wasm_exports.uniqueRuns();
	116	const totalSourceLocations = wasm_exports.totalSourceLocations();
	117	const coveredSourceLocations = wasm_exports.coveredSourceLocations();
115	118	domStatTotalRuns.innerText = totalRuns;
116	119	domStatUniqueRuns.innerText = uniqueRuns + " (" + percent(uniqueRuns, totalRuns) + "%)";
	120	domStatCoverage.innerText = coveredSourceLocations + " / " + totalSourceLocations + " (" + percent(coveredSourceLocations, totalSourceLocations) + "%)";
117	121	domStatLowestStack.innerText = unwrapString(wasm_exports.lowestStack());
118	122
119	123	domSectStats.classList.remove("hidden");

lib/fuzzer/wasm/main.zig+11

...	...	@@ -110,6 +110,17 @@ export fn lowestStack() String {
110	110	return String.init(string_result.items);
111	111	}
112	112
	113	export fn totalSourceLocations() usize {
	114	return coverage_source_locations.items.len;
	115	}
	116
	117	export fn coveredSourceLocations() usize {
	118	const covered_bits = recent_coverage_update.items[@sizeOf(abi.CoverageUpdateHeader)..];
	119	var count: usize = 0;
	120	for (covered_bits) \|byte\| count += @popCount(byte);
	121	return count;
	122	}
	123
113	124	export fn totalRuns() u64 {
114	125	const header: *abi.CoverageUpdateHeader = @ptrCast(recent_coverage_update.items[0..@sizeOf(abi.CoverageUpdateHeader)]);
115	126	return header.n_runs;