Malloc support for allocating to DRAM and/or IRAM.

libc/README.md

@@ -1,4 +1,4 @@
-Newlib from git://sourceware.org/git/newlib-cygwin.git with xtensa & locking patches see https://github.com/ourairquality/newlib and built from commit 984b749fb223daab954060c04720933290584f00
+Newlib from git://sourceware.org/git/newlib-cygwin.git with xtensa & locking patches see https://github.com/ourairquality/newlib and built from commit e06f70041061344a62c2e5b8f0a602a902e72306
 
 The build commands were:
 

libc/xtensa-lx106-elf/include/pthread.h

@@ -156,7 +156,7 @@ int	pthread_attr_getschedparam (const pthread_attr_t *__attr,
 int	pthread_getschedparam (pthread_t __pthread, int *__policy,
 			       struct sched_param *__param);
 int	pthread_setschedparam (pthread_t __pthread, int __policy,
-			       struct sched_param *__param);
+			       const struct sched_param *__param);
 
 /* Set Scheduling Priority of a Thread */
 int	pthread_setschedprio (pthread_t thread, int prio);
@@ -190,7 +190,7 @@ int	pthread_mutexattr_getprioceiling (const pthread_mutexattr_t *__attr,
 
 int	pthread_mutex_setprioceiling (pthread_mutex_t *__mutex,
 				      int __prioceiling, int *__old_ceiling);
-int	pthread_mutex_getprioceiling (pthread_mutex_t *__mutex,
+int	pthread_mutex_getprioceiling (const pthread_mutex_t *__restrict __mutex,
 				      int *__prioceiling);
 
 #endif /* _POSIX_THREAD_PRIO_PROTECT */

libc/xtensa-lx106-elf/include/stdlib.h

@@ -144,8 +144,7 @@ void	qsort (void *__base, size_t __nmemb, size_t __size, __compar_fn_t _compar);
 int	rand (void);
 void *	realloc (void *__r, size_t __size) _NOTHROW;
 #if __BSD_VISIBLE
-void	*reallocarray(void *, size_t, size_t) __result_use_check __alloc_size(2)
-	    __alloc_size(3);
+void	*reallocarray(void *, size_t, size_t) __result_use_check __alloc_size((2,3));
 void *	reallocf (void *__r, size_t __size);
 #endif
 #if __BSD_VISIBLE || __XSI_VISIBLE >= 4
@@ -329,8 +328,8 @@ extern long double strtold (const char *__restrict, char **__restrict);
  * If we're in a mode greater than C99, expose C11 functions.
  */
 #if __ISO_C_VISIBLE >= 2011
-void *	aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1)
-	    __alloc_size(2);
+void *	aligned_alloc(size_t, size_t) __malloc_like __alloc_align((1))
+	    __alloc_size((2));
 int	at_quick_exit(void (*)(void));
 _Noreturn void
 	quick_exit(int);

libc/xtensa-lx106-elf/include/sys/_types.h

@@ -193,7 +193,10 @@ typedef	_CLOCK_T_	__clock_t;
 #endif
 typedef	_TIME_T_	__time_t;
 
+#ifndef __machine_clockid_t_defined
 #define	_CLOCKID_T_ 	unsigned long
+#endif
+
 typedef	_CLOCKID_T_	__clockid_t;
 
 #define	_TIMER_T_	unsigned long

libc/xtensa-lx106-elf/include/sys/cdefs.h

@@ -258,12 +258,12 @@
 #define	__section(x)	__attribute__((__section__(x)))
 #endif
 #if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)
-#define	__alloc_size(x)	__attribute__((__alloc_size__(x)))
+#define	__alloc_size(x)	__attribute__((__alloc_size__ x))
 #else
 #define	__alloc_size(x)
 #endif
 #if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)
-#define	__alloc_align(x)	__attribute__((__alloc_align__(x)))
+#define	__alloc_align(x)	__attribute__((__alloc_align__ x))
 #else
 #define	__alloc_align(x)
 #endif

libc/xtensa-lx106-elf/include/sys/reent.h

@@ -174,9 +174,9 @@ extern void   __sinit (struct _reent *);
 	__sinit (ptr);				\
     }						\
   while (0)
-#else
+#else /* _REENT_SMALL && !_REENT_GLOBAL_STDIO_STREAMS */
 # define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */
-#endif
+#endif /* _REENT_SMALL && !_REENT_GLOBAL_STDIO_STREAMS */
 
 struct __sFILE {
   unsigned char *_p;	/* current position in (some) buffer */
@@ -416,6 +416,8 @@ struct _reent
   __FILE *__sf;			        /* file descriptors */
   struct _misc_reent *_misc;            /* strtok, multibyte states */
   char *_signal_buf;                    /* strsignal */
+
+  unsigned int malloc_region_mask;
 };
 
 #ifdef _REENT_GLOBAL_STDIO_STREAMS
@@ -453,7 +455,7 @@ extern __FILE __sf[3];
     (var)->_stderr = &__sf[2]; \
   }
 
-#else
+#else /* _REENT_GLOBAL_STDIO_STREAMS */
 
 extern const struct __sFILE_fake __sf_fake_stdin;
 extern const struct __sFILE_fake __sf_fake_stdout;
@@ -482,7 +484,8 @@ extern const struct __sFILE_fake __sf_fake_stderr;
     {_NULL, 0, _NULL}, \
     _NULL, \
     _NULL, \
-    _NULL \
+    _NULL, \
+    0 \
   }
 
 #define _REENT_INIT_PTR_ZEROED(var) \
@@ -491,7 +494,7 @@ extern const struct __sFILE_fake __sf_fake_stderr;
     (var)->_stderr = (__FILE *)&__sf_fake_stderr; \
   }
 
-#endif
+#endif /* _REENT_GLOBAL_STDIO_STREAMS */
 
 /* Only add assert() calls if we are specified to debug.  */
 #ifdef _REENT_CHECK_DEBUG