Merge branch 'main' into update/rust

Signed-off-by: Matt Leon <mattleon@google.com>

Author: leonm1

include/proxy-wasm/limits.h

@@ -40,3 +40,8 @@
 #ifndef PROXY_WASM_HOST_PAIRS_MAX_COUNT
 #define PROXY_WASM_HOST_PAIRS_MAX_COUNT 1024
 #endif
+
+// Maximum number of frames in Wasm backtrace.
+#ifndef PROXY_WASM_HOST_MAX_BACKTRACE_FRAMES_COUNT
+#define PROXY_WASM_HOST_MAX_BACKTRACE_FRAMES_COUNT 20
+#endif

src/v8/v8.cc

@@ -44,9 +44,10 @@ wasm::Engine *engine() {
 
   std::call_once(init, []() {
     // Disable the Liftoff compiler to force optimized JIT up-front.
-    std::string args = absl::StrFormat("--wasm_max_mem_pages=%u --no-liftoff",
-                                       PROXY_WASM_HOST_MAX_WASM_MEMORY_SIZE_BYTES /
-                                           PROXY_WASM_HOST_WASM_MEMORY_PAGE_SIZE_BYTES);
+    std::string args = absl::StrFormat(
+        "--no-liftoff --wasm_max_mem_pages=%u --stack-trace-limit=%u",
+        PROXY_WASM_HOST_MAX_WASM_MEMORY_SIZE_BYTES / PROXY_WASM_HOST_WASM_MEMORY_PAGE_SIZE_BYTES,
+        PROXY_WASM_HOST_MAX_BACKTRACE_FRAMES_COUNT);
     ::v8::V8::SetFlagsFromString(args.c_str(), args.size());
     ::v8::V8::EnableWebAssemblyTrapHandler(true);