feat: integrate ghidra-cli v0.1

fixtures/README.md

@@ -0,0 +1,14 @@
+# Reproducible native fixtures
+
+`fixtures/src/known.c` is compiled by Nix into two tiny, dependency-free test
+programs from the same reviewed source:
+
+- `elf-x86_64/known.elf`: static ELF, x86-64 little-endian;
+- `pe32plus-x86_64/known.exe`: PE32+, x86-64.
+
+Both builds disable timestamps and build IDs, set `SOURCE_DATE_EPOCH=1`, avoid
+host libraries, and are stripped only of non-semantic comments/notes. Build
+them with `nix build .#fixtures`. Version 0.1 intentionally does not claim an
+unverified third target until that target is exercised by the real-Ghidra
+suite; recognizing a file format without a maintained cross-toolchain test is
+not sufficient evidence.

fixtures/golden/v1/doctor.json

@@ -13,8 +13,33 @@
   "data": {
     "ready": true,
     "components": {
-      "ghidra": { "status": "ready", "details": { "version": "12.1.2" } },
-      "java": { "status": "ready", "details": { "version": "21" } }
+      "ghidra": {
+        "status": "ready",
+        "version": "12.1.2",
+        "launcher": {
+          "encoding": "utf8",
+          "value": "/nix/store/ghidra/bin/ghidra-analyzeHeadless"
+        }
+      },
+      "java": {
+        "status": "ready",
+        "version": "21",
+        "executable": {
+          "encoding": "utf8",
+          "value": "/nix/store/jdk/bin/java"
+        }
+      },
+      "analysis_store": {
+        "status": "ready",
+        "path": { "encoding": "utf8", "value": "/tmp/ghidr-store" },
+        "source": "cli",
+        "usage": { "logical_bytes": 1048576, "allocated_bytes": 1114112 }
+      },
+      "sandbox": {
+        "status": "ready",
+        "backend": "bubblewrap",
+        "verification": "verified"
+      }
     }
   },
   "warnings": []

fixtures/src/known.c

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: CC0-1.0
+
+volatile unsigned long fixture_marker = 7;
+
+__attribute__((noinline)) unsigned long fixture_add(unsigned long value) {
+  return value + fixture_marker;
+}
+
+void _start(void) {
+  (void)fixture_add(35);
+  for (;;) {
+    __asm__ volatile("" ::: "memory");
+  }
+}
+
+void mainCRTStartup(void) {
+  _start();
+}