Comments (2)
So how about LOG_ERROR for the actual wasm exception and LOG_WARNING/LOG_VERBOSE to replace the log you are pointing out? And maybe add extra info like "unrecognized exception for wasm, pass to user's host exception handler" to explain the intention of return EXCEPTION_CONTINUE_SEARCH is to search for the next handler(transfer to the user's own handler). What do you think?
from wasm-micro-runtime.
Hi, I have looked into the code in more detail now.
I would prefer to log a warning when inside wasm, and unknown exception code only. There is no point in logging anything if the exception is not related to the wasm, as such cases should be handled in other handlers. And no logging is necessary when the exception code is handled with wasm_set_exception.
diff --git a/core/iwasm/common/wasm_runtime_common.c b/core/iwasm/common/wasm_runtime_common.c
index c6e9f0b9..3dbcc76d 100644
--- a/core/iwasm/common/wasm_runtime_common.c
+++ b/core/iwasm/common/wasm_runtime_common.c
@@ -384,12 +384,16 @@ runtime_exception_handler(EXCEPTION_POINTERS *exce_info)
return ret;
}
#endif
+ else {
+ LOG_WARNING("Unhandled exception thrown: "
+ "exception code: 0x%lx, "
+ "exception address: %p, "
+ "exception information: %p\n",
+ ExceptionRecord->ExceptionCode,
+ ExceptionRecord->ExceptionAddress, sig_addr);
+ }
}
- LOG_ERROR("Unhandled exception thrown: exception code: 0x%lx, "
- "exception address: %p, exception information: %p\n",
- ExceptionRecord->ExceptionCode, ExceptionRecord->ExceptionAddress,
- sig_addr);
return EXCEPTION_CONTINUE_SEARCH;
}
#endif /* end of BH_PLATFORM_WINDOWS */
Furthermore, It would be nice to have similar logging on linux, which currently does not log anything. However, I dont know if it is allowed to do so inside signal handler?
from wasm-micro-runtime.
Related Issues (20)
- Wrong execution reuslt on fast interpreter mode HOT 2
- aot_load_const_from_table is inefficient
- "duplicate export name" check is O(n^2) HOT 3
- Compilation errors when build iwasm with GC and EH support
- iwasm: WASM module load failed: struct or array as field is not supported in constant expr HOT 6
- iwasm: WASM module load failed: type mismatch: expect (ref null ht) but got other1 unknown type HOT 5
- WASM module instantiate failed on Mac HOT 1
- aot: xtensa xip triggers llvm assertion failure
- BH_DEBUG not set in multi-configuration cmake (eg. visual studio)
- printf_wrapper (libc builtin) makes multiple calls to os_printf with individual characters HOT 6
- Can AOT file built on windows run directly on other platforms? HOT 5
- How to load and run another wasm in a running wasm? HOT 6
- Exception Handling Support in Fast Interpreter HOT 1
- iwasm with aot file fail with SIGSEGV HOT 4
- Exception for Assemblyscript HOT 1
- How to cross compile to riscv64 HOT 2
- Unexpected behavior on fast interpreter mode HOT 1
- A bug in validation HOT 1
- Report some typo in wamr.gitbook HOT 1
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from wasm-micro-runtime.