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>

Add missed symbol __aeabi_idivmod for Android.
ac4e1d23 · Anton D. Kachalov · Ben Clayton · d5a2a597 · ac4e1d23
Commit ac4e1d23 authored Feb 11, 2020 by Anton D. Kachalov Committed by Ben Clayton Feb 12, 2020
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LLVMJIT.cpp src/Reactor/LLVMJIT.cpp +7 -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 __ARM_EABI__
+extern "C" signed __aeabi_idivmod();
+#endif
+
 namespace {

 // Cache provides a simple, thread-safe key-value store.
@@ -539,6 +543,9 @@ void *resolveExternalSymbol(const char *name)
 			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));