It looks like Android is not really unique is this respect; most of other platforms do not use AT_FPUCW also, the only difference is that bionic's elf.h does not define this symbol.

kernel defines this only for sh platform in it's headers...

Reproducible: Always




Patch:

Index: coregrind/m_initimg/initimg-linux.c
===================================================================
--- coregrind/m_initimg/initimg-linux.c	(revision 14617)
+++ coregrind/m_initimg/initimg-linux.c	(working copy)
@@ -246,6 +246,10 @@
 /*=== Setting up the client's stack                                ===*/
 /*====================================================================*/
 
+#ifndef AT_FPUCW
+#define AT_FPUCW		18
+#endif /* AT_FPUCW */
+
 #ifndef AT_ICACHEBSIZE
 #define AT_ICACHEBSIZE		20
 #endif /* AT_ICACHEBSIZE */
@@ -633,11 +637,7 @@
          case AT_GID:
          case AT_EGID:
          case AT_CLKTCK:
-#        if !defined(VGPV_arm_linux_android) \
-            && !defined(VGPV_x86_linux_android) \
-            && !defined(VGPV_mips32_linux_android)
-         case AT_FPUCW: /* missing on android */
-#        endif
+         case AT_FPUCW:
             /* All these are pointerless, so we don't need to do
                anything about them. */
             break;