mpiP/mpip.unwinder.patch

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diff -ruN mpiP-3.4.1.old/Defs.mak.in mpiP-3.4.1/Defs.mak.in
--- mpiP-3.4.1.old/Defs.mak.in 2014-03-13 19:46:07.000000000 +0000
+++ mpiP-3.4.1/Defs.mak.in 2017-01-10 07:51:53.771837043 +0000
@@ -63,6 +63,9 @@
endif
ifeq ($(OS),Linux)
+ ifeq ($(ARCH), aarch64)
+ CPPFLAGS += -DAARCH64
+ endif
ifeq ($(ARCH),i686)
CPPFLAGS += -DIA32
endif
diff -ruN mpiP-3.4.1.old/mpiPi.h.in mpiP-3.4.1/mpiPi.h.in
--- mpiP-3.4.1.old/mpiPi.h.in 2014-03-13 19:46:07.000000000 +0000
+++ mpiP-3.4.1/mpiPi.h.in 2017-01-10 07:52:48.783447707 +0000
@@ -276,6 +276,12 @@
#define FramePC(fp) ((void *) *(long *) (((long) fp) + (2 * sizeof (void *))))
#define NextFP(fp) ((void *) *(long *) fp)
+/* AArch64 Linux */
+#elif defined(Linux) && defined(AARCH64)
+#define ParentFP(jb) ((void*) jb[0].__jmpbuf[10])
+#define FramePC(fp) ((void*)(((void**)fp)[1]))
+#define NextFP(fp) ((void*)((void**)fp)[0])
+
/* IA32 Linux */
#elif defined(Linux) && defined(IA32)
#define ParentFP(jb) ((void*) jb[0].__jmpbuf[3])