From 65f95f26ff0e7b4be4704fedc52344a26d22a4e2 Mon Sep 17 00:00:00 2001 From: Yuta Saito Date: Sat, 15 Jan 2022 23:10:48 +0900 Subject: [wasm] add asyncify based setjmp, fiber, register scan emulation configure.ac: setup build tools and register objects main.c: wrap main with rb_wasm_rt_start to handle asyncify unwinds tool/m4/ruby_wasm_tools.m4: setup default command based on WASI_SDK_PATH environment variable. checks wasm-opt which is used for asyncify. tool/wasm-clangw wasm/wasm-opt: a clang wrapper which replaces real wasm-opt with do-nothing wasm-opt to avoid misoptimization before asyncify. asyncify is performed at POSTLINK, but clang linker driver tries to run optimization by wasm-opt unconditionally. inlining pass at wasm level breaks asyncify's assumption, so should not optimize before POSTLIK. wasm/GNUmakefile.in: wasm specific rules to compile objects --- wasm/asyncify.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 wasm/asyncify.h (limited to 'wasm/asyncify.h') diff --git a/wasm/asyncify.h b/wasm/asyncify.h new file mode 100644 index 0000000000..834fc8b570 --- /dev/null +++ b/wasm/asyncify.h @@ -0,0 +1,13 @@ +#ifndef RB_WASM_SUPPORT_ASYNCIFY_H +#define RB_WASM_SUPPORT_ASYNCIFY_H + +__attribute__((import_module("asyncify"), import_name("start_unwind"))) +void asyncify_start_unwind(void *buf); +__attribute__((import_module("asyncify"), import_name("stop_unwind"))) +void asyncify_stop_unwind(void); +__attribute__((import_module("asyncify"), import_name("start_rewind"))) +void asyncify_start_rewind(void *buf); +__attribute__((import_module("asyncify"), import_name("stop_rewind"))) +void asyncify_stop_rewind(void); + +#endif -- cgit v1.2.1