+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MINSIGSTKSZ 2048
+#define SIGSTKSZ 8192
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+typedef unsigned long greg_t, gregset_t[38];
+typedef struct sigcontext {
+ struct {
+ unsigned long r0, r1, r2, r3, r4, r5, r6, r7;
+ unsigned long r8, r9, r10, r11, r12, r13, r14, r15;
+ unsigned long r16, r17, r18, r19, r20, r21, r22, r23;
+ unsigned long r24, r25, r26, r27, r28, r29, r30, r31;
+ unsigned long pc, msr, ear, esr, fsr;
+ int pt_mode;
+ } regs;
+ unsigned long oldmask;
+} mcontext_t;
+#else