CI: Rework fuzzing and sanitizing

xmake/toolchains/hfuzz-clang/xmake.lua

@@ -0,0 +1,39 @@
+toolchain("hfuzz-clang")
+    
+    set_homepage("https://honggfuzz.dev")
+    set_description("Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)")
+
+    set_kind("standalone")
+
+    set_toolset("cc", "hfuzz-clang")
+    set_toolset("cxx", "hfuzz-clang++")
+    set_toolset("ld", "hfuzz-clang++", "hfuzz-clang")
+    set_toolset("sh", "hfuzz-clang++", "hfuzz-clang")
+    set_toolset("ar", "ar")
+    set_toolset("strip", "strip")
+    set_toolset("mm", "hfuzz-clang")
+    set_toolset("mxx", "hfuzz-clang++")
+    set_toolset("as", "hfuzz-clang")
+
+    add_cxflags("-fsanitize=fuzzer-no-link")
+    add_ldflags("-fsanitize=fuzzer-no-link")
+    add_shflags("-fsanitize=fuzzer-no-link")
+    add_arflags("-fsanitize=fuzzer-no-link")
+
+    on_check(function (toolchain)
+        return import("lib.detect.find_tool")("hfuzz-clang")
+    end)
+
+    on_load(function (toolchain)
+        local march
+        if toolchain:is_arch("x86_64", "x64") then
+            march = "-m64"
+        elseif toolchain:is_arch("i386", "x86") then
+            march = "-m32"
+        end
+        if march then
+            toolchain:add("cxflags", march)
+            toolchain:add("ldflags", march)
+            toolchain:add("shflags", march)
+        end
+    end)