Files
rea/tests/boundary/gpu/codeObjects.test.ts

1222 lines
44 KiB
TypeScript

import { expect, it, onTestFinished } from "vitest";
import { writeFile } from "node:fs/promises";
import { join } from "node:path";
import { deflateSync } from "node:zlib";
import { createHash } from "node:crypto";
import { parseEvidence } from "../../../src/domain/evidence.js";
import { gpuCodeObjectsPartialSchema } from "../../../src/domain/gpu/gpuCodeObjects.js";
import { GpuCodeObjectsProvider } from "../../../src/gpu/GpuCodeObjectsProvider.js";
import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
import {
cudaFixture,
cubinFixture,
ccobFixture,
hipFixture,
peGpuFixture,
elfFixture,
ptxFixture,
amdFixture,
amdNoteFixture,
llvmBitcodeFixture,
} from "../../fixtures/gpu/codeObjects.js";
const inspect = async (
bytes: Buffer,
options: {
analysis?: "inventory" | "kernels";
targets?: string[];
object_ids?: string[];
expected_sha256?: string;
} = {},
) => {
const root = await createTestTempDirectory("rea-gpu-"),
path = join(root, "no-format-extension");
await writeFile(path, bytes);
const provider = new GpuCodeObjectsProvider();
onTestFinished(() => provider.close());
return provider.inspect({ path, analysis: "kernels", ...options });
};
it.each(["none", "zstd"] as const)(
"reads selected CUDA metadata and PTX with %s compression",
async (compression) => {
const result = await inspect(cudaFixture(compression));
if (!result.ok) throw result.error;
expect(result.value.coverage).toMatchObject({
discovery: "complete",
payloads: "complete",
});
expect(
result.value.kernels.map((row) => [
row.name,
row.parameter_count,
row.parameter_bytes,
row.shared_bytes,
row.registers.physical,
]),
).toEqual([
["add_one", 2, 12, 32, null],
["add_one", 2, 12, 1056, 10],
]);
expect(result.value.ptx_artifacts[0]!.text).toBe(ptxFixture);
expect(
result.value.kernels[1]!.parameters.map((row) => [
row.ordinal,
row.offset,
row.size,
]),
).toEqual([
[0, 0, 8],
[1, 8, 4],
]);
},
);
it("retains the unsupported legacy CUDA compression declaration and extents", async () => {
const result = await inspect(
cudaFixture("legacy", [
{ kind: 1, target: 80, bytes: Buffer.from(ptxFixture), flags: 4 },
]),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
compression: "unsupported",
compression_id: expect.stringContaining("cuda-flags:0x1015"),
encoded_size: deflateSync(Buffer.from(ptxFixture)).length,
decoded_size: Buffer.byteLength(ptxFixture),
inspection: "unsupported",
});
expect(result.value.ptx_artifacts).toEqual([]);
expect(result.value.kernels).toEqual([]);
expect(result.value.objects[0]!.limitations.join(" ")).toContain(
"compression/version is not supported",
);
});
it.each([1, 2, 3] as const)(
"reads CCOB v%d zlib/Zstd and retains exact decoded provenance",
async (version) => {
for (const method of ["zlib", "zstd"] as const) {
const result = await inspect(ccobFixture(version, method));
if (!result.ok) throw result.error;
expect(result.value.kernels[0]).toMatchObject({
name: "add_one",
parameter_count: 2,
parameter_bytes: 12,
registers: { sgpr: 6, vgpr: 2 },
shared_bytes: 0,
});
expect(result.value.objects[2]!.location.container_id).toBe(
result.value.objects[0]!.id,
);
}
},
);
it("does not decode unselected payloads and keeps stable positional identities", async () => {
const bytes = cudaFixture("zstd");
const inventory = await inspect(bytes, { analysis: "inventory" }),
selected = await inspect(bytes, { targets: ["sm_90"] });
if (!inventory.ok) throw inventory.error;
if (!selected.ok) throw selected.error;
expect(inventory.value.kernels).toEqual([]);
expect(selected.value.objects.map((row) => row.id)).toEqual(
inventory.value.objects.map((row) => row.id),
);
expect(selected.value.ptx_artifacts).toEqual([]);
expect(selected.value.kernels).toHaveLength(1);
expect(selected.value.coverage.payloads).toBe("partial");
});
it.each(["cubin", "ptx"] as const)(
"retains conflicting container and %s target declarations as partial facts",
async (kind) => {
const bytes = cudaFixture("none", [
{
kind: kind === "cubin" ? 2 : 1,
target: 80,
bytes:
kind === "cubin"
? cubinFixture({ architecture: 90 })
: Buffer.from(ptxFixture.replace("sm_80", "sm_90")),
},
]);
const result = await inspect(bytes, { targets: ["sm_80"] });
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: "sm_80",
payload_target: "sm_90",
target_consistency: "conflict",
inspection: "partial",
});
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels).toHaveLength(1);
expect(result.value.kernels[0]!.limitations.join(" ")).toContain(
"inventory sm_80; payload sm_90",
);
const unexamined = await inspect(bytes, { targets: ["sm_90"] });
if (!unexamined.ok) throw unexamined.error;
expect(unexamined.value.objects[0]).toMatchObject({
target: "sm_80",
payload_target: null,
target_consistency: "unexamined",
inspection: "not-selected",
});
expect(unexamined.value.coverage.payloads).toBe("partial");
},
);
it("keeps CUBIN base-only agreement distinct from verified feature-profile agreement", async () => {
const bytes = cudaFixture("none", [
{ kind: 2, target: 90, bytes: cubinFixture({ architecture: 90 }) },
]);
bytes.writeBigUInt64LE(bytes.readBigUInt64LE(16 + 40) | 0x100000n, 16 + 40);
const result = await inspect(bytes, { targets: ["sm_90a"] });
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: "sm_90a",
payload_target: "sm_90",
target_consistency: "base-only",
inspection: "complete",
});
});
it.each([
[100, 0x06006402],
[101, 0x06006502],
[103, 0x05006702],
[120, 0x06007802],
[121, 0x06007902],
])(
"reads ABI-qualified CUDA target sm_%d from released NVIDIA header flags",
async (architecture, flags) => {
const result = await inspect(cubinFixture({ osAbi: 0x41, flags }));
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: `sm_${architecture}`,
payload_target: `sm_${architecture}`,
target_consistency: "single-source",
inspection: "complete",
cuda_target_header: {
os_abi: 0x41,
flags: `0x${flags.toString(16).padStart(8, "0")}`,
},
});
},
);
it("keeps unsupported CUDA flag layouts unknown while retaining raw header evidence", async () => {
const result = await inspect(
cubinFixture({ osAbi: 0x41, flags: 0x06016402 }),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: null,
payload_target: null,
target_consistency: "unknown",
inspection: "partial",
cuda_target_header: { os_abi: 0x41, flags: "0x06016402" },
});
expect(result.value.kernels).toHaveLength(1);
expect(result.value.kernels[0]!.limitations.join(" ")).toContain(
"target encoding is unknown",
);
const inventory = await inspect(
cubinFixture({ osAbi: 0x41, flags: 0x06016402 }),
{ analysis: "inventory" },
);
if (!inventory.ok) throw inventory.error;
expect(inventory.value.coverage.discovery).toBe("partial");
});
it("discovers standalone AMD targets before exact selection", async () => {
const bytes = amdFixture(),
target = "amdgcn-amd-amdhsa--gfx900";
const inventory = await inspect(bytes, { analysis: "inventory" });
const selected = await inspect(bytes, { targets: [target] });
const skipped = await inspect(bytes, {
targets: ["amdgcn-amd-amdhsa--gfx1100"],
});
if (!inventory.ok) throw inventory.error;
if (!selected.ok) throw selected.error;
if (!skipped.ok) throw skipped.error;
expect(inventory.value.objects[0]).toMatchObject({
target,
inspection: "inventory",
sha256: null,
});
expect(inventory.value.kernels).toEqual([]);
expect(selected.value.objects[0]).toMatchObject({
target,
inspection: "complete",
id: inventory.value.objects[0]!.id,
});
expect(selected.value.kernels).toHaveLength(1);
expect(selected.value.kernels[0]).toMatchObject({
representation: "amdgpu-metadata",
parameter_bytes: 12,
});
expect(skipped.value.objects[0]).toMatchObject({
target,
inspection: "not-selected",
sha256: null,
});
expect(skipped.value.kernels).toEqual([]);
expect(skipped.value.coverage.payloads).toBe("partial");
});
it("derives V3 AMDGPU processor identity from ELF flags when the note omits it", async () => {
const bytes = amdFixture(false, undefined, null);
// EF_AMDGPU_MACH=0x2c identifies gfx900; high bits include feature flags.
bytes.writeUInt32LE(0x12c, 48);
const inventory = await inspect(bytes, { analysis: "inventory" });
if (!inventory.ok) throw inventory.error;
expect(inventory.value.objects[0]).toMatchObject({
target: "gfx900",
target_consistency: "single-source",
inspection: "inventory",
});
const selected = await inspect(bytes, { targets: ["gfx900"] });
if (!selected.ok) throw selected.error;
expect(selected.value.kernels).toHaveLength(1);
expect(selected.value.kernels[0]).toMatchObject({ parameter_bytes: 12 });
});
it("keeps AMDGPU processor identity unknown when ELF flags are unassigned", async () => {
const bytes = amdFixture(false, undefined, null);
bytes.writeUInt32LE(0x17f, 48);
const result = await inspect(bytes, { analysis: "inventory" });
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: null,
target_consistency: "unknown",
inspection: "inventory",
});
});
it.each([false, true])(
"keeps HIP bitcode representation unsupported with wrapped=%s and no declared processor",
async (wrapped) => {
const payload = llvmBitcodeFixture(wrapped),
bytes = hipFixture(payload, "hip-amdgcn-amd-amdhsa--");
for (const analysis of ["inventory", "kernels"] as const) {
const result = await inspect(bytes, { analysis });
if (!result.ok) throw result.error;
const row = result.value.objects.find(({ kind }) => kind === "amdgpu")!;
expect(row).toMatchObject({
bundle_id: "hip-amdgcn-amd-amdhsa--",
target: null,
payload_target: null,
inspection: analysis === "inventory" ? "inventory" : "unsupported",
encoded_size: payload.length,
location: { size: payload.length },
sha256:
analysis === "inventory"
? null
: createHash("sha256").update(payload).digest("hex"),
});
expect(row.limitations.join(" ")).toContain("LLVM bitcode");
expect(row.limitations.join(" ")).not.toContain("not an ELF image");
expect(result.value.coverage).toMatchObject({
discovery: "partial",
payloads: analysis === "inventory" ? "not-requested" : "partial",
});
expect(result.value.kernels).toEqual([]);
}
},
);
it.each([
["amdgcn", "gfx900:xnack+"],
["amdgcn", "gfx900+xnack"],
["amdgcn", "gfx900:sramecc-:xnack+"],
["amdgpu", "gfx900:xnack+"],
["amdgpu9", "gfx900:xnack+"],
["amdgpu9.00", "gfx900:sramecc-:xnack+"],
])(
"preserves matching AMDGPU %s note features with ELF processor flags (%s)",
async (triple, target) => {
const noteTarget = `${triple}-amd-amdhsa--${target}`;
const payload = amdFixture(false, undefined, noteTarget);
payload.writeUInt32LE(0x12c, 48);
const result = await inspect(
hipFixture(payload, `hipv4-amdgcn-amd-amdhsa--${target}`),
{ targets: [target] },
);
if (!result.ok) throw result.error;
expect(
result.value.objects.find(({ kind }) => kind === "amdgpu"),
).toMatchObject({
target,
payload_target: noteTarget,
target_consistency: "consistent",
inspection: "complete",
});
expect(result.value.kernels).toHaveLength(1);
expect(result.value.coverage.payloads).toBe("complete");
},
);
it.each(["amdgcn", "amdgpu9.00"])(
"does not choose between conflicting AMDGPU %s note and ELF processor identities",
async (triple) => {
const bytes = amdFixture(
false,
undefined,
`${triple}-amd-amdhsa--gfx900:xnack+`,
);
bytes.writeUInt32LE(0x141, 48); // EF_AMDGPU_MACH gfx1100
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: null,
target_consistency: "unknown",
inspection: "partial",
});
expect(result.value.objects[0]!.limitations.join(" ")).toContain(
"processor flags conflict with target note metadata",
);
expect(result.value.kernels).toHaveLength(1);
},
);
it.each([
"producer-specific-gpu-target",
"amdgpu9.00-amd-amdhsa--gfx900:xnack",
])(
"retains the unrecognized AMDGPU note target %s without substituting ELF processor flags",
async (noteTarget) => {
const result = await inspect(
hipFixture(amdFixture(false, undefined, noteTarget)),
{ targets: ["gfx900"] },
);
if (!result.ok) throw result.error;
const row = result.value.objects.find(({ kind }) => kind === "amdgpu");
expect(row).toMatchObject({
target: "gfx900",
payload_target: noteTarget,
target_consistency: "unknown",
inspection: "complete",
});
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.kernels).toMatchObject([
{ name: "add_one", parameter_bytes: 12, registers: { sgpr: 6, vgpr: 2 } },
]);
expect(row?.limitations.join(" ")).not.toContain(
"Conflicting target declarations",
);
expect(result.value.kernels[0]?.limitations.join(" ")).not.toContain(
"Conflicting target declarations",
);
},
);
it("retains kernels from conflicting AMDGPU notes without choosing either note or ELF flags", async () => {
const bytes = amdFixture(
false,
amdNoteFixture(false, "amdgcn-amd-amdhsa--gfx1100"),
);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects).toMatchObject([
{
kind: "amdgpu",
target: null,
payload_target: null,
target_consistency: "unknown",
inspection: "partial",
},
]);
expect(result.value.objects[0]?.limitations).toContain(
"AMDGPU notes declare conflicting processor targets; processor identity is unknown",
);
expect(result.value.coverage).toMatchObject({
discovery: "partial",
payloads: "partial",
});
expect(result.value.kernels).toMatchObject([
{ name: "add_one", parameter_bytes: 12, registers: { sgpr: 6, vgpr: 2 } },
{ name: "add_one", parameter_bytes: 12, registers: { sgpr: 6, vgpr: 2 } },
]);
expect(new Set(result.value.kernels.map(({ id }) => id)).size).toBe(2);
const selected = await inspect(bytes, { targets: ["gfx900"] });
if (!selected.ok) throw selected.error;
expect(selected.value.objects[0]).toMatchObject({
target: null,
payload_target: null,
target_consistency: "unknown",
inspection: "not-selected",
});
expect(selected.value.kernels).toEqual([]);
});
it.each(
[
"amdgcn-amd-amdhsa-unknown-",
"amdgpu9.00-amd-amdhsa--",
"amdgpu9.00-amd-amdhsa-unknown-",
].flatMap((prefix) =>
(
[
["gfx900", "gfx900", "consistent"],
["gfx1100", "gfx900", "conflict"],
["gfx900", "gfx900:xnack+", "unknown"],
["gfx900", "gfx900+xnack", "unknown"],
["gfx900+xnack", "gfx900", "unknown"],
["GFX900", "gfx900", "unknown"],
["gfx900", "GFX900", "unknown"],
] as const
).map(([inventoryTarget, payloadTargetId, consistency]) => ({
inventoryTarget,
payloadTarget: `${prefix}${payloadTargetId}`,
consistency,
})),
),
)(
"compares AMDGPU inventory $inventoryTarget with note $payloadTarget as $consistency",
async ({ inventoryTarget, payloadTarget, consistency }) => {
const bytes = hipFixture(
amdFixture(false, undefined, payloadTarget),
`hipv4-amdgcn-amd-amdhsa--${inventoryTarget}`,
);
const result = await inspect(bytes, { targets: [inventoryTarget] });
if (!result.ok) throw result.error;
const row = result.value.objects.find((value) => value.kind === "amdgpu")!;
expect(row.payload_target).toBe(payloadTarget);
expect(result.value.kernels).toHaveLength(1);
if (consistency === "conflict") {
expect(row).toMatchObject({
target: inventoryTarget,
target_consistency: "conflict",
inspection: "partial",
});
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels[0]!.limitations.join(" ")).toContain(
"Conflicting target declarations",
);
} else {
expect(row).toMatchObject({
target: inventoryTarget,
target_consistency: consistency,
inspection: "complete",
});
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.kernels[0]!.limitations.join(" ")).not.toContain(
"Conflicting target declarations",
);
}
},
);
it.each([
"hipv4-amdgcn-amd-amdhsa--gfx900",
"hipv4-amdgcn-amd-amdhsa-gfx900",
"hipv4-amdgcn-amd-amdhsa-opaque",
"hipv4-amdgpu9.00-amd-amdhsa--gfx900",
])("keeps discovered HIP targets selectable for %s", async (targetId) => {
const bytes = hipFixture(amdFixture(), targetId);
const inventory = await inspect(bytes, { analysis: "inventory" });
if (!inventory.ok) throw inventory.error;
const row = inventory.value.objects.find((value) => value.kind === "amdgpu")!;
expect(row.target).not.toBeNull();
const selected = await inspect(bytes, { targets: [row.target!] });
if (!selected.ok) throw selected.error;
expect(selected.value.kernels).toHaveLength(1);
expect(
selected.value.objects.find((value) => value.kind === "amdgpu"),
).toMatchObject({
target: row.target,
payload_target: "amdgcn-amd-amdhsa--gfx900",
target_consistency: targetId.endsWith("opaque")
? "single-source"
: "consistent",
inspection: "complete",
});
});
it.each(["gfx11-generic", "gfx9-4-generic"] as const)(
"preserves and exactly selects the generic AMDGPU processor %s",
async (processor) => {
const noteTarget = `amdgcn-amd-amdhsa--${processor}`;
const payload = amdFixture(false, undefined, noteTarget);
payload.writeUInt32LE(processor === "gfx11-generic" ? 0x54 : 0x5f, 48);
const bytes = hipFixture(payload, `hipv4-amdgcn-amd-amdhsa--${processor}`);
const result = await inspect(bytes, { targets: [processor] });
if (!result.ok) throw result.error;
expect(
result.value.objects.find(({ kind }) => kind === "amdgpu"),
).toMatchObject({
kind: "amdgpu",
target: processor,
payload_target: noteTarget,
target_consistency: "consistent",
inspection: "complete",
});
expect(result.value.kernels).toHaveLength(1);
},
);
it("recognizes a modern AMDGPU triple inside compressed CCOB v3", async () => {
const targetId = "hipv4-amdgpu9.00-amd-amdhsa--gfx900";
const bytes = ccobFixture(3, "zstd", hipFixture(amdFixture(), targetId));
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(
result.value.objects.find(({ bundle_id }) => bundle_id === targetId),
).toMatchObject({
kind: "amdgpu",
target: "gfx900",
payload_target: "amdgcn-amd-amdhsa--gfx900",
target_consistency: "consistent",
inspection: "complete",
});
expect(result.value.kernels).toHaveLength(1);
});
it("bounds standalone AMD note discovery before retaining metadata", async () => {
const result = await inspect(
elfFixture(224, [
{ name: ".note", type: 7, bytes: Buffer.alloc(8 * 1024 * 1024 + 1) },
]),
{ analysis: "inventory" },
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]).toMatchObject({
target: "gfx900",
inspection: "capacity",
});
expect(result.value.objects[0]!.limitations).toContain(
"AMDGPU ELF note discovery exceeds the 8 MiB retained metadata budget",
);
expect(result.value.kernels).toEqual([]);
});
it("reads PE raw-size fallback and ELF-host section locations", async () => {
for (const bytes of [
peGpuFixture(),
elfFixture(62, [{ name: ".nv_fatbin", bytes: cudaFixture() }]),
]) {
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.kernels).toHaveLength(2);
expect(result.value.objects[0]!.location.section_index).not.toBeNull();
expect(result.value.objects[1]!.location.container_id).toBe(
result.value.objects[0]!.id,
);
}
});
it("coalesces aliased CUDA metadata before expanding the temporary index", async () => {
const bytes = cubinFixture({ globalRecords: 65536, globalAliases: 1024 });
expect(bytes.length).toBeLessThan(1024 * 1024);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.kernels).toHaveLength(1);
expect(result.value.kernels[0]!.registers.physical).toBe(10);
});
it("retains unknown PTX virtual counts and partial payload coverage", async () => {
const result = await inspect(
Buffer.from(ptxFixture.replace("%r<9>", "r0, r1, %r<4>, %s<8>")),
);
if (!result.ok) throw result.error;
expect(result.value.kernels[0]!.registers.virtual[0]).toEqual({
type: ".b32",
count: 14,
});
const unsupported = await inspect(
Buffer.from(ptxFixture.replace("%r<9>", "%r[4]")),
);
if (!unsupported.ok) throw unsupported.error;
expect(unsupported.value.objects[0]!.inspection).toBe("partial");
expect(unsupported.value.coverage.payloads).toBe("partial");
expect(unsupported.value.kernels[0]!.registers.virtual[0]).toEqual({
type: ".b32",
count: null,
});
});
it.each(["spaced", "compact", "mixed"])(
"counts %s PTX register keywords while retaining byte provenance",
async (spacing) => {
const directive = spacing === "spaced" ? ".reg " : ".reg";
const header = ".version 8.8\n.target sm_80\n// GPU 寄存器 🎯\n";
const entry = `.entry k() { ${directive}.b32 %r<4>; ${spacing === "mixed" ? ".reg " : directive}.b32 r0, r1, %r4; ${directive}.b64 %rd<2>; ret; }`;
const source = header + entry;
const result = await inspect(Buffer.from(source));
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.ptx_artifacts[0]!.text).toBe(source);
const kernel = result.value.kernels[0]!;
expect(kernel.registers.virtual).toEqual([
{ type: ".b32", count: 7 },
{ type: ".b64", count: 2 },
]);
expect(kernel.location).toMatchObject({
offset: Buffer.byteLength(header),
size: Buffer.byteLength(entry),
});
},
);
it("keeps unsupported compact PTX register types partial", async () => {
const result = await inspect(
Buffer.from(ptxFixture.replace(".reg .b32", ".reg.v2.b32")),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("partial");
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels[0]!.registers.virtual).toEqual([
{ type: ".v2 .b32", count: null },
{ type: ".b64", count: 5 },
]);
});
it.each([64, 65])(
"counts all %d scalar names in one PTX register list",
async (count) => {
const names = Array.from(
{ length: count },
(_, index) => `%r${index}`,
).join(", ");
const result = await inspect(
Buffer.from(
`.version 8.8\n.target sm_80\n.address_size 64\n.entry k() { .reg .b32 ${names}; ret; }\n`,
),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.kernels[0]!.registers.virtual).toEqual([
{ type: ".b32", count },
]);
},
);
it("retains PTX kernels before and after a long scalar register list", async () => {
const names = Array.from({ length: 65 }, (_, index) => `%r${index}`).join(
", ",
);
const result = await inspect(
Buffer.from(
`.version 8.8\n.target sm_80\n.address_size 64\n.entry before() { ret; }\n.entry affected() { .reg .b32 ${names}; ret; }\n.entry after() { ret; }\n`,
),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.kernels.map((kernel) => kernel.name)).toEqual([
"before",
"affected",
"after",
]);
expect(result.value.kernels[1]!.registers.virtual).toEqual([
{ type: ".b32", count: 65 },
]);
});
it("retains later PTX kernels when a virtual register total overflows", async () => {
const result = await inspect(
Buffer.from(
".version 8.8\n.target sm_80\n.address_size 64\n.entry before() { ret; }\n.entry affected() { .reg .b32 %r<9007199254740991>, %s; ret; }\n.entry after() { ret; }\n",
),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("partial");
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels.map((kernel) => kernel.name)).toEqual([
"before",
"affected",
"after",
]);
expect(result.value.kernels[1]!.registers.virtual).toEqual([
{ type: ".b32", count: null },
]);
});
it.each([
".entry k { ret; }",
".entry k() { ret; }",
".entry k .maxntid 1 { ret; }",
])("inspects PTX entry with optional parameters: %s", async (entry) => {
const result = await inspect(
Buffer.from(`.version 7.0\n.target sm_80\n.address_size 64\n${entry}`),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.kernels).toMatchObject([
{ name: "k", parameter_count: 0, parameter_bytes: 0, parameters: [] },
]);
});
it.each([
["parameter", ".u64 output", ".u64 .vendor_specific output"],
["shared", "scratch[32]", "scratch[]"],
] as const)(
"marks unknown PTX %s declarations partial while retaining known facts",
async (kind, from, to) => {
const bytes = Buffer.from(ptxFixture.replace(from, to));
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("partial");
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.ptx_artifacts[0]!.text).toBe(bytes.toString());
const kernel = result.value.kernels[0]!;
expect(kernel.registers.virtual[0]).toEqual({ type: ".b32", count: 9 });
expect(kernel.limitations.join(" ")).toContain(`PTX ${kind} declarations`);
if (kind === "parameter") {
expect(kernel.parameter_count).toBe(2);
expect(kernel.parameter_bytes).toBeNull();
expect(
kernel.parameters.map(({ size, offset }) => [size, offset]),
).toEqual([
[null, null],
[4, null],
]);
expect(kernel.shared_bytes).toBe(32);
} else {
expect(kernel.parameter_bytes).toBe(12);
expect(kernel.shared_bytes).toBeNull();
}
},
);
it.each([
".ptr .global",
".ptr .global .align 16",
".ptr.global.align 16",
".ptr .global.align 16",
".ptr.global .align 16",
])(
"keeps PTX pointer qualifiers %s complete through the provider",
async (qualifiers) => {
const bytes = Buffer.from(
ptxFixture.replace(".u64 output", `.u64 ${qualifiers} output`),
);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.ptx_artifacts[0]!.text).toBe(bytes.toString());
expect(result.value.kernels[0]).toMatchObject({
parameter_count: 2,
parameter_bytes: 12,
parameters: [
{ name: "output", offset: 0, size: 8 },
{ name: "value", offset: 8, size: 4 },
],
});
},
);
it.each([".align 8 .b8", ".b8 .align 8"])(
"retains PTX array parameter identity and layout with %s",
async (type) => {
const bytes = Buffer.from(
ptxFixture.replace(".u64 output", `${type} payload[8]`),
);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("complete");
expect(result.value.coverage.payloads).toBe("complete");
expect(result.value.ptx_artifacts[0]!.text).toBe(bytes.toString());
expect(result.value.kernels[0]).toMatchObject({
parameter_count: 2,
parameter_bytes: 12,
parameters: [
{ name: "payload", type: ".b8", offset: 0, size: 8 },
{ name: "value", offset: 8, size: 4 },
],
});
},
);
it.each([".b8 .align 3", ".align 8 .b8 .align 8"])(
"retains PTX names and partial layout for unsupported alignment %s",
async (type) => {
const bytes = Buffer.from(
ptxFixture.replace(".u64 output", `${type} payload[8]`),
);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("partial");
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels[0]).toMatchObject({
parameter_count: 2,
parameter_bytes: null,
parameters: [
{ name: "payload", type: ".b8", offset: null, size: null },
{ name: "value", offset: null, size: 4 },
],
});
},
);
it.each(["whitespace", "comment"] as const)(
"recognizes standalone PTX after more than 64 KiB of leading %s",
async (kind) => {
const prefix =
kind === "whitespace"
? " ".repeat(70 * 1024)
: `/*${"x".repeat(70 * 1024)}*/\n`;
const bytes = Buffer.from(prefix + ptxFixture);
const inventory = await inspect(bytes, { analysis: "inventory" });
const selected = await inspect(bytes, { targets: ["sm_80"] });
if (!inventory.ok) throw inventory.error;
if (!selected.ok) throw selected.error;
expect(inventory.value.objects[0]!.target).toBe("sm_80");
expect(selected.value.kernels).toHaveLength(1);
expect(selected.value.kernels[0]!.location.offset).toBeGreaterThan(
64 * 1024,
);
},
);
it("uses a later module target when selecting standalone PTX", async () => {
const bytes = Buffer.from(
".version 8.8\n.target sm_80\n.entry first() { ret; }\n.target sm_90\n",
);
const inventory = await inspect(bytes, { analysis: "inventory" });
const selected = await inspect(bytes, { targets: ["sm_90"] });
if (!inventory.ok) throw inventory.error;
if (!selected.ok) throw selected.error;
expect(inventory.value.objects[0]!.target).toBe("sm_90");
expect(selected.value.kernels.map(({ name }) => name)).toEqual(["first"]);
});
it.each(["truncated", "invalid", "extension"] as const)(
"retains earlier AMD kernel declarations after a later %s note",
async (kind) => {
const tail = Buffer.alloc(kind === "truncated" ? 3 : 24);
if (kind !== "truncated") {
tail.writeUInt32LE(7, 0);
tail.writeUInt32LE(kind === "invalid" ? 1 : 3, 4);
tail.writeUInt32LE(32, 8);
tail.write("AMDGPU\0", 12);
tail[20] = kind === "invalid" ? 0xc1 : 0xd4;
}
const payloadTarget = "amdgcn-amd-amdhsa--gfx900";
for (const { bytes, target, consistency } of [
{
bytes: amdFixture(false, tail),
target: payloadTarget,
consistency: "single-source",
},
{
bytes: hipFixture(amdFixture(false, tail)),
target: "gfx900",
consistency: "consistent",
},
]) {
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.kernels).toHaveLength(1);
expect(result.value.kernels[0]).toMatchObject({
name: "add_one",
parameter_bytes: 12,
registers: { sgpr: 6, vgpr: 2 },
});
expect(
result.value.objects.find((row) => row.kind === "amdgpu")!.inspection,
).toBe(kind === "extension" ? "unsupported" : "malformed");
const identity = {
target,
payload_target: payloadTarget,
target_consistency: consistency,
};
expect(
result.value.objects.find((row) => row.kind === "amdgpu"),
).toMatchObject(identity);
expect(result.value.coverage.payloads).toBe("partial");
const selected = await inspect(bytes, { targets: [target] });
if (!selected.ok) throw selected.error;
expect(
selected.value.objects.find((row) => row.kind === "amdgpu"),
).toMatchObject(identity);
expect(selected.value.kernels).toEqual(result.value.kernels);
expect(selected.value.coverage.payloads).toBe("partial");
const skipped = await inspect(bytes, {
targets: [target === "gfx900" ? payloadTarget : "gfx900"],
});
if (!skipped.ok) throw skipped.error;
expect(
skipped.value.objects.find((row) => row.kind === "amdgpu"),
).toMatchObject(
target === payloadTarget
? {
...identity,
inspection: kind === "extension" ? "unsupported" : "malformed",
}
: {
target,
payload_target: null,
target_consistency: "unexamined",
inspection: "not-selected",
},
);
expect(skipped.value.kernels).toEqual([]);
}
},
);
it("bounds cumulative CUDA records across separate in-range metadata sections", async () => {
const record = Buffer.from("042f0800010000000a000000", "hex"),
records = Buffer.alloc(record.length * 131073);
for (let offset = 0; offset < records.length; offset += record.length)
record.copy(records, offset);
const result = await inspect(
elfFixture(190, [
{ name: ".nv.info", type: 0x70000000, bytes: records },
{ name: ".nv.info", type: 0x70000000, bytes: records },
]),
);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("capacity");
expect(result.value.objects[0]!.limitations.join(" ")).toContain(
"aggregate record/symbol visits",
);
});
it.each(["section-names", "symbols"] as const)(
"retains partial CUBIN coverage when %s are unavailable",
async (missing) => {
const bytes = cubinFixture();
if (missing === "section-names") bytes.writeUInt16LE(0, 62);
else bytes.writeUInt32LE(1, Number(bytes.readBigUInt64LE(40)) + 3 * 64 + 4);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.objects[0]!.inspection).toBe("partial");
expect(result.value.coverage.payloads).toBe("partial");
expect(result.value.kernels).toHaveLength(missing === "symbols" ? 0 : 1);
expect(result.value.objects[0]!.limitations.join(" ")).toContain(
missing === "symbols"
? "kernel declaration coverage is unknown"
: "named metadata coverage is partial",
);
},
);
it.each([9, 10])(
"preserves parameters and register coverage for text count %d",
async (textRegisters) => {
const name = "kernel_" + "argument".repeat(64);
const result = await inspect(
cubinFixture({ name, textRegisters, globalRegisters: 10 }),
);
if (!result.ok) throw result.error;
const conflict = textRegisters !== 10;
expect(result.value.kernels[0]).toMatchObject({
name,
parameter_count: 2,
registers: { physical: conflict ? null : 10 },
});
expect(result.value.objects[0]!.inspection).toBe(
conflict ? "partial" : "complete",
);
expect(result.value.coverage.payloads).toBe(
conflict ? "partial" : "complete",
);
expect(
result.value.kernels[0]!.limitations.some((value) =>
value.includes("Conflicting"),
),
).toBe(conflict);
},
);
it("iterates flat concatenated fatbins beyond the genuine container nesting limit", async () => {
const result = await inspect(
Buffer.concat(Array.from({ length: 20 }, () => cudaFixture())),
);
if (!result.ok) throw result.error;
expect(result.value.objects).toHaveLength(40);
expect(result.value.kernels).toHaveLength(40);
expect(result.value.coverage.discovery).toBe("complete");
});
it("reports checksum corruption and unknown compression as partial, retaining known entries", async () => {
const corrupt = ccobFixture();
corrupt[16] = corrupt[16]! ^ 1;
const result = await inspect(corrupt);
if (!result.ok) throw result.error;
expect(result.value.coverage.discovery).toBe("partial");
expect(result.value.objects[0]!.inspection).toBe("malformed");
const unknown = ccobFixture();
unknown.writeUInt16LE(99, 6);
const unsupported = await inspect(unknown);
if (!unsupported.ok) throw unsupported.error;
expect(unsupported.value.objects[0]!.inspection).toBe("unsupported");
});
it("rejects out-of-range bundle entries without guessing a payload", async () => {
const bytes = hipFixture();
bytes.writeBigUInt64LE(BigInt(bytes.length + 1), 32);
const result = await inspect(bytes);
expect(result).toMatchObject({
ok: false,
error: { _tag: "BinaryTargetError" },
});
});
it("preserves standalone PTX BOM and trailing NUL bytes in the retained text artifact", async () => {
const bytes = Buffer.from("\uFEFF" + ptxFixture + "\0");
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(
Buffer.compare(Buffer.from(result.value.ptx_artifacts[0]!.text), bytes),
).toBe(0);
expect(result.value.ptx_artifacts[0]!.byte_length).toBe(bytes.length);
});
it("rejects a changed full-file identity before applying positional object selection", async () => {
const bytes = cudaFixture();
const result = await inspect(bytes, {
expected_sha256: "0".repeat(64),
object_ids: ["file@10"],
});
expect(result).toMatchObject({
ok: false,
error: { _tag: "AnalysisArtifactChangedError" },
});
});
it("iterates mixed plain/CCOB bundles without counting flat records as nesting", async () => {
const records = Array.from({ length: 20 }, (_, index) =>
index % 2 === 0 ? hipFixture() : ccobFixture(),
);
const result = await inspect(Buffer.concat(records));
if (!result.ok) throw result.error;
expect(result.value.kernels).toHaveLength(20);
expect(result.value.coverage.discovery).toBe("complete");
});
it("does not recognize a CCOB signature after its first byte is corrupted", async () => {
const bytes = ccobFixture(3, "zlib");
bytes[0] = bytes[0]! | 0x80;
const result = await inspect(bytes);
expect(result).toMatchObject({
ok: false,
error: { _tag: "AnalysisUnsupportedTargetError" },
});
});
it("requires the PTX version directive before any module content", async () => {
const result = await inspect(Buffer.from(`unexpected-prefix ${ptxFixture}`));
expect(result).toMatchObject({
ok: false,
error: { _tag: "AnalysisUnsupportedTargetError" },
});
});
it("retains an embedded CCOB with a corrupted signature as unsupported", async () => {
const bytes = ccobFixture(3, "zlib");
bytes[0] = bytes[0]! | 0x80;
const result = await inspect(
elfFixture(62, [{ name: ".hip_fatbin", bytes }]),
);
if (!result.ok) throw result.error;
expect(result.value.coverage.discovery).toBe("partial");
expect(result.value.kernels).toEqual([]);
expect(result.value.objects).toContainEqual(
expect.objectContaining({
kind: "native-section",
inspection: "unsupported",
limitations: expect.arrayContaining([
"No supported CUDA/HIP container or PTX declarations were identified",
]),
}),
);
});
it.each([
["unknown COFF machine", 0xffff],
["x86 machine with a PE32+ optional header", 0x14c],
] as const)(
"discovers PE GPU sections with %s",
async (_description, machine) => {
const bytes = peGpuFixture();
const pe = bytes.readUInt32LE(60);
bytes.writeUInt16LE(machine, pe + 4);
const result = await inspect(bytes);
if (!result.ok) throw result.error;
expect(result.value.format).toBe("pe");
expect(result.value.artifact.sha256).toBe(
createHash("sha256").update(bytes).digest("hex"),
);
expect(result.value.coverage).toMatchObject({
discovery: "complete",
payloads: "complete",
});
expect(result.value.kernels.map(({ name }) => name)).toEqual([
"add_one",
"add_one",
]);
expect(result.value.ptx_artifacts[0]!.text).toBe(ptxFixture);
},
);
it("does not dispatch a high-bit-corrupted DOS signature to the PE parser", async () => {
const bytes = peGpuFixture(Buffer.from(ptxFixture));
bytes[0] = bytes[0]! | 0x80;
const result = await inspect(bytes);
expect(result).toMatchObject({
ok: false,
error: { _tag: "AnalysisUnsupportedTargetError" },
});
});
it.each(["zlib", "zstd"] as const)(
"uses each legacy CCOB v1 %s stream boundary across alignment padding",
async (codec) => {
const first = ccobFixture(1, codec),
second = ccobFixture(2, "zlib"),
padding = Buffer.alloc((8 - (first.length % 8)) % 8);
const result = await inspect(Buffer.concat([first, padding, second]));
if (!result.ok) throw result.error;
const bundles = result.value.objects.filter(
({ kind }) => kind === "hip-bundle",
);
expect(bundles).toHaveLength(2);
expect(
bundles.map(({ inspection, decoded_size }) => [inspection, decoded_size]),
).toEqual([
["complete", expect.any(Number)],
["complete", expect.any(Number)],
]);
expect(bundles[0]!.sha256).toBe(bundles[1]!.sha256);
expect(bundles[0]!.encoded_size).toBe(first.length - 20);
expect(bundles[0]!.location.size).toBe(first.length - 20);
expect(bundles[1]!.metadata_location.offset).toBe(
first.length + padding.length,
);
expect(result.value.kernels).toHaveLength(2);
expect(result.value.coverage.discovery).toBe("complete");
},
);
it("keeps a later CCOB bundle after a truncated legacy v1 stream", async () => {
const truncated = ccobFixture(1, "zlib").subarray(0, -1),
later = ccobFixture(2, "zlib");
const result = await inspect(Buffer.concat([truncated, later]));
if (!result.ok) throw result.error;
const bundles = result.value.objects.filter(
({ kind }) => kind === "hip-bundle",
);
expect(bundles).toHaveLength(2);
expect(bundles.map(({ inspection }) => inspection)).toEqual([
"malformed",
"complete",
]);
expect(result.value.kernels).toHaveLength(1);
expect(result.value.coverage.discovery).toBe("partial");
expect(bundles[0]!.limitations.join(" ")).toContain(
"uncertain recovery candidate",
);
});
it.each(["checksum", "decoded-size"] as const)(
"preserves a completed v1 codec extent after a bad %s declaration",
async (declaration) => {
const bundle = hipFixture(
Buffer.from("ordinary CCOB marker"),
"host-other",
),
compressed = deflateSync(bundle, { level: 0 }),
header = Buffer.from(ccobFixture(1, "zlib", bundle).subarray(0, 20));
if (declaration === "checksum") header[12] = header[12]! ^ 1;
else header.writeUInt32LE(bundle.length + 1, 8);
const first = Buffer.concat([header, compressed]);
const result = await inspect(
Buffer.concat([first, ccobFixture(2, "zlib")]),
);
if (!result.ok) throw result.error;
const wrappers = result.value.objects.filter(
({ kind }) => kind === "hip-bundle",
);
expect(wrappers.map(({ inspection }) => inspection)).toEqual([
"malformed",
"complete",
]);
expect(wrappers[0]).toMatchObject({
encoded_size: compressed.length,
location: { size: compressed.length },
});
expect(wrappers[0]!.limitations.join(" ")).not.toContain("recovery");
expect(wrappers[1]!.metadata_location.offset).toBe(first.length);
expect(result.value.coverage.discovery).toBe("partial");
},
);
it("continues at the declared CCOB boundary after an unsupported codec", async () => {
const unknown = ccobFixture();
unknown.writeUInt16LE(99, 6);
const result = await inspect(Buffer.concat([unknown, ccobFixture()]));
if (!result.ok) throw result.error;
expect(result.value.kernels).toHaveLength(1);
expect(result.value.coverage.discovery).toBe("partial");
});
it("refuses escaped PTX report expansion while preserving bounded interrupted facts", async () => {
const text = ptxFixture + "\n//" + "\u0001".repeat(3 * 1024 * 1024);
const result = await inspect(Buffer.from(text));
expect(result).toMatchObject({
ok: false,
error: { _tag: "AnalysisResourceConstraintError" },
});
if (result.ok) throw new Error("expected representation capacity refusal");
const partial = gpuCodeObjectsPartialSchema.parse(
parseEvidence(result.error.partialObservation).normalized_result,
);
expect(partial.ptx_artifacts).toEqual([]);
expect(partial.objects).toHaveLength(1);
expect(partial.artifact.sha256).toBeNull();
});