add powerpc64 port

arch/powerpc64/reloc.h

@@ -0,0 +1,32 @@
+#include <endian.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define ENDIAN_SUFFIX "le"
+#else
+#define ENDIAN_SUFFIX ""
+#endif
+
+#define LDSO_ARCH "powerpc64" ENDIAN_SUFFIX
+
+#define TPOFF_K (-0x7000)
+
+#define REL_SYMBOLIC    R_PPC64_ADDR64
+#define REL_GOT         R_PPC64_GLOB_DAT
+#define REL_PLT         R_PPC64_JMP_SLOT
+#define REL_RELATIVE    R_PPC64_RELATIVE
+#define REL_COPY        R_PPC64_COPY
+#define REL_DTPMOD      R_PPC64_DTPMOD64
+#define REL_DTPOFF      R_PPC64_DTPREL64
+#define REL_TPOFF       R_PPC64_TPREL64
+
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+	"mr 1,%1; mr 12,%0; mtctr 12; bctrl" : : "r"(pc), "r"(sp) : "memory" )
+
+#define GETFUNCSYM(fp, sym, got) __asm__ ( \
+	".hidden " #sym " \n" \
+	"	bl 1f \n" \
+	"	.long " #sym "-. \n" \
+	"1:	mflr %1 \n" \
+	"	lwz %0, 0(%1) \n" \
+	"	add %0, %0, %1 \n" \
+	: "=r"(*(fp)), "=r"((long){0}) : : "memory", "lr" )