4 files changed, 18 insertions, 1 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index 7fca16d3c..f8795c072 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -69,6 +69,14 @@
 #endif
 #endif
 
+#if defined (__aarch64__)
+#if defined (__AARCH64EL__)
+#define __IEEE_LITTLE_ENDIAN
+#else
+#define __IEEE_BIG_ENDIAN
+#endif
+#endif
+
 #ifdef __epiphany__
 #define __IEEE_LITTLE_ENDIAN
 #define Sudden_Underflow 1
diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h
index 78afc7bdd..48361763d 100644
--- a/newlib/libc/include/machine/setjmp.h
+++ b/newlib/libc/include/machine/setjmp.h
@@ -9,6 +9,11 @@ _BEGIN_STD_C
 #define _JBLEN 23
 #endif
 
+#if defined(__aarch64__)
+#define _JBLEN 22
+#define _JBTYPE long long
+#endif
+
 #if defined(__AVR__)
 #define _JBLEN 24
 #endif
diff --git a/newlib/libc/include/machine/time.h b/newlib/libc/include/machine/time.h
index a296857d4..06e2ccffb 100644
--- a/newlib/libc/include/machine/time.h
+++ b/newlib/libc/include/machine/time.h
@@ -4,7 +4,7 @@
 #if defined(__rtems__)
 #define _CLOCKS_PER_SEC_  sysconf(_SC_CLK_TCK)
 #else  /* !__rtems__ */
-#if defined(__arm__) || defined(__thumb__)
+#if defined(__aarch64__) || defined(__arm__) || defined(__thumb__)
 #define _CLOCKS_PER_SEC_ 100
 #endif
 #endif /* !__rtems__ */
diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h
index 49c81f915..a6528b832 100644
--- a/newlib/libc/include/sys/config.h
+++ b/newlib/libc/include/sys/config.h
@@ -4,6 +4,10 @@
 #include <machine/ieeefp.h>  /* floating point macros */
 #include <sys/features.h>	/* POSIX defs */
 
+#ifdef __aarch64__
+#define MALLOC_ALIGNMENT 16
+#endif
+
 /* exceptions first */
 #if defined(__H8500__) || defined(__W65__)
 #define __SMALL_BITFIELDS