[PATCH] D59521: [WebAssembly] Define the signature for __stack_chk_fail

[Dan Gohman via Phabricator via llvm-commits]

sunfish created this revision.
sunfish added a reviewer: sbc100.
Herald added subscribers: aheejin, jgravelle-google, dschuff.
Herald added a project: LLVM.

The WebAssembly backend needs to know the signatures of all runtime libcall functions. This adds the signature for `__stack_chk_fail` which was previously missing.


Repository:
  rL LLVM

https://reviews.llvm.org/D59521

Files:
  lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp


Index: lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
===================================================================
--- lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
+++ lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
@@ -309,6 +309,9 @@
     Table[RTLIB::MEMSET] = iPTR_func_iPTR_i32_iPTR;
     Table[RTLIB::MEMMOVE] = iPTR_func_iPTR_iPTR_iPTR;
 
+    // __stack_chk_fail
+    Table[RTLIB::STACKPROTECTOR_CHECK_FAIL] = func;
+
     // Element-wise Atomic memory
     // TODO: Fix these when we implement atomic support
     Table[RTLIB::MEMCPY_ELEMENT_UNORDERED_ATOMIC_1] = unsupported;


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