https://bugs.kde.org/show_bug.cgi?id=368529
--- Comment #1 from c...@google.com ---
The undefined symbols were due to the use of builtin functions
like __aeabi_memcpy* and __aeabi_memclr* from clang/llvm compiler.
Those symbols pulled in other modules in Android libc.a and then
require atexit and pthread_atfork, which are not defined in libc.a.
A better solution is to define those __aeabi_* functions in m_main.c,
as it already defines memcpy to VG_(memcpy) and memset to VG_(memset).
The following is the suggested diff.
diff --git a/coregrind/m_main.c b/coregrind/m_main.c
index 140efbf..66f04df 100644
--- a/coregrind/m_main.c
+++ b/coregrind/m_main.c
@@ -2883,6 +2883,46 @@ void __aeabi_unwind_cpp_pr1(void){
VG_(printf)("Something called __aeabi_unwind_cpp_pr1()\n");
vg_assert(0);
}
+
+#if defined(ANDROID) && defined(__clang__)
+/* Replace __aeabi_memcpy* functions with vgPlain_memcpy. */
+void* __aeabi_memcpy(void *dest, const void *src, SizeT n);
+void* __aeabi_memcpy(void *dest, const void *src, SizeT n)
+{
+ return VG_(memcpy)(dest, src, n);
+}
+
+void* __aeabi_memcpy4(void *dest, const void *src, SizeT n);
+void* __aeabi_memcpy4(void *dest, const void *src, SizeT n)
+{
+ return VG_(memcpy)(dest, src, n);
+}
+
+void* __aeabi_memcpy8(void *dest, const void *src, SizeT n);
+void* __aeabi_memcpy8(void *dest, const void *src, SizeT n)
+{
+ return VG_(memcpy)(dest, src, n);
+}
+
+/* Replace __aeabi_memclr* functions with vgPlain_memset. */
+void* __aeabi_memclr(void *dest, SizeT n);
+void* __aeabi_memclr(void *dest, SizeT n)
+{
+ return VG_(memset)(dest, 0, n);
+}
+
+void* __aeabi_memclr4(void *dest, SizeT n);
+void* __aeabi_memclr4(void *dest, SizeT n)
+{
+ return VG_(memset)(dest, 0, n);
+}
+
+void* __aeabi_memclr8(void *dest, SizeT n);
+void* __aeabi_memclr8(void *dest, SizeT n)
+{
+ return VG_(memset)(dest, 0, n);
+}
+#endif /* ANDROID __clang__ */
#endif
/* ---------------- Requirement 2 ---------------- */
--
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