Merge 10525 into 3.7 branch. MIPS: Add signal context definitions for use with Android.

src/platform-linux.cc

Index: src/platform-linux.cc
===================================================================
--- src/platform-linux.cc	(revision 10525)
+++ src/platform-linux.cc	(working copy)
@@ -951,6 +951,37 @@
 } ucontext_t;
 enum ArmRegisters {R15 = 15, R13 = 13, R11 = 11};
 
+#elif !defined(__GLIBC__) && defined(__mips__)
+  struct sigcontext {
+    unsigned int regmask;
+    unsigned int status;
+    unsigned long long pc;
+    unsigned long long gregs[32];
+    unsigned long long fpregs[32];
+    unsigned int acx;
+    unsigned int fpc_csr;
+    unsigned int fpc_eir;
+    unsigned int used_math;
+    unsigned int dsp;
+    unsigned long long mdhi;
+    unsigned long long mdlo;
+    unsigned long hi1;
+    unsigned long lo1;
+    unsigned long hi2;
+    unsigned long lo2;
+    unsigned long hi3;
+    unsigned long lo3;
+  };
+  typedef uint32_t __sigset_t;
+  typedef struct sigcontext mcontext_t;
+  typedef struct ucontext {
+    uint32_t uc_flags;
+    struct ucontext* uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
+
 #endif