commit ac4e1d236088f90e3bc97aa67002ffe56042e4f2
author Anton D. Kachalov <gmouse@google.com> Tue Feb 11 15:44:27 2020 +0100
committer Ben Clayton <bclayton@google.com> Wed Feb 12 20:37:54 2020 +0000
tree 98e36d8ea0721437760cd4ae68ce1e3415fc501f
parent d5a2a597ceb4168edb48401c7a0ca650dd60c5aa

Add missed symbol __aeabi_idivmod for Android.

SwiftShader segfaults when trying to resolve missed symbol. The symbol is requested at least on ARM32 (armv7l).

Bug: b/149229646
Change-Id: I5436b244c2e7ec9a0d557f57697adbdb5e29a0cb
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/41089
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>

src/Reactor/LLVMJIT.cpp

diff --git a/src/Reactor/LLVMJIT.cpp b/src/Reactor/LLVMJIT.cpp
index 2a36d98..02ec371 100644
--- a/src/Reactor/LLVMJIT.cpp
+++ b/src/Reactor/LLVMJIT.cpp
@@ -79,6 +79,10 @@
 #	include <sanitizer/msan_interface.h>
 #endif
 
+#ifdef __ARM_EABI__
+extern "C" signed __aeabi_idivmod();
+#endif
+
 namespace {
 
 // Cache provides a simple, thread-safe key-value store.
@@ -539,6 +543,9 @@
 			functions.emplace("chkstk", reinterpret_cast<void *>(_chkstk));
 #endif
 
+#ifdef __ARM_EABI__
+			functions.emplace("aeabi_idivmod", reinterpret_cast<void *>(__aeabi_idivmod));
+#endif
 #ifdef __ANDROID__
 			functions.emplace("aeabi_unwind_cpp_pr0", reinterpret_cast<void *>(F::neverCalled));
 			functions.emplace("sync_synchronize", reinterpret_cast<void *>(F::sync_synchronize));