SPDLOG-like logging in SGX #681
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Shillaker
requested changes
Oct 12, 2022
| // For code outside SGX enclaves we use spdlog macros for logging. We provide | ||
| // similar macros for logging (only in debug mode) from inside the enclave. Note | ||
| // that this logging is very costly as it does an ocall to print the message, | ||
| // as a consequence we no-op it at compile time for release builds |
Collaborator
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It took me a while to work out that we no-op ocallLogDebug, and not the SPDLOG_ macros here. Do we still call snprintf even in release builds? I would have expected:
#ifdef FAASM_SGX_DEBUG
#define SPDLOG_DEBUG_SGX(...)
size_t __bufferSize = 512;
...
#else
#define SPDLOG_DEBUG_SGX(...)
// No-op
#endif
| "Caught WASM runtime exception: " + errorMessage; | ||
| ocallLogError(errorText.c_str()); | ||
| SPDLOG_ERROR_SGX("Caught WASM runtime exception: %s", | ||
| errorMessage.c_str()); |
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I thought that spdlog formatting used {} not printf-style %s. Does this work?
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