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| author | Sam Clegg <sbc@chromium.org> | 2019-12-05 13:09:21 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-12-05 13:09:21 -0600 |
| commit | a28343a33ed28b4d5c83c37e350aceaf09b5246f (patch) | |
| tree | 084a487cdf79e8025246d2a85d5578c113c9ad51 /src/support/utilities.h | |
| parent | cbf121df96cfce5038f52ed04f9780e19ed3b762 (diff) | |
| download | binaryen-a28343a33ed28b4d5c83c37e350aceaf09b5246f.tar.gz binaryen-a28343a33ed28b4d5c83c37e350aceaf09b5246f.tar.bz2 binaryen-a28343a33ed28b4d5c83c37e350aceaf09b5246f.zip | |
Add string parameter to WASM_UNREACHABLE (#2499)
This works more like llvm's unreachable handler in that is preserves
information even in release builds.
Diffstat (limited to 'src/support/utilities.h')
| -rw-r--r-- | src/support/utilities.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/support/utilities.h b/src/support/utilities.h index 71d8ce2e0..5280fcb3b 100644 --- a/src/support/utilities.h +++ b/src/support/utilities.h @@ -74,6 +74,20 @@ public: } }; +WASM_NORETURN void handle_unreachable(const char* msg = nullptr, + const char* file = nullptr, + unsigned line = 0); + +// If control flow reaches the point of the WASM_UNREACHABLE(), the program is +// undefined. +#ifndef NDEBUG +#define WASM_UNREACHABLE(msg) wasm::handle_unreachable(msg, __FILE__, __LINE__) +#elif defined(WASM_BUILTIN_UNREACHABLE) +#define WASM_UNREACHABLE(msg) WASM_BUILTIN_UNREACHABLE +#else +#define WASM_UNREACHABLE(msg) wasm::handle_unreachable() +#endif + } // namespace wasm #endif // wasm_support_utilities_h |