Add missed symbol __aeabi_idivmod for Android.

SwiftShader segfaults when trying to resolve missed symbol. The symbol is requested at least on ARM32 (armv7l).. Change-Id: I96dd157afc1832ef39daaf46d818c8033820d86b Bug: b/149229646 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/41049Reviewed-by: Ben Clayton <bclayton@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Kokoro-Presubmit: Lingfeng Yang <lfy@google.com> Tested-by: Ben Clayton <bclayton@google.com>

Add missed symbol __aeabi_idivmod for Android.
5f5a0648 · Anton D. Kachalov · Ben Clayton · 196d8177 · 5f5a0648
Commit 5f5a0648 authored Feb 10, 2020 by Anton D. Kachalov Committed by Ben Clayton Feb 11, 2020
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LLVMJIT.cpp src/Reactor/LLVMJIT.cpp +5 -0

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--- a/src/Reactor/LLVMJIT.cpp
+++ b/src/Reactor/LLVMJIT.cpp
@@ -79,6 +79,10 @@ extern "C" void _chkstk();
 #	include <sanitizer/msan_interface.h>
 #endif

+#ifdef __ANDROID__
+extern "C" signed __aeabi_idivmod();
+#endif
+
 namespace {

 // Cache provides a simple, thread-safe key-value store.
@@ -540,6 +544,7 @@ void *resolveExternalSymbol(const char *name)
 #endif

 #ifdef __ANDROID__
+			functions.emplace("aeabi_idivmod", reinterpret_cast<void *>(__aeabi_idivmod));
 			functions.emplace("aeabi_unwind_cpp_pr0", reinterpret_cast<void *>(F::neverCalled));
 			functions.emplace("sync_synchronize", reinterpret_cast<void *>(F::sync_synchronize));
 			functions.emplace("sync_fetch_and_add_4", reinterpret_cast<void *>(F::sync_fetch_and_add_4));