Merge github.com:igor-m/retrobsd-1 into double_precision

sys/include/signal.h

@@ -113,6 +113,7 @@ struct	sigstack {
 struct	sigcontext {
 	int	sc_onstack;		/* sigstack state to restore */
 	long	sc_mask;		/* signal mask to restore */
+    int     sc_align[2];           /* align to 16 bytes */  
         int     sc_r1;	                /* r1 to restore */
         int     sc_r2;                  /* and other registers */
         int     sc_r3;

sys/kernel/kern_exec.c

@@ -432,7 +432,7 @@ badarg:
 	 */
 	ucp = USER_DATA_END - nc - NBPW;
 	ap = ucp - na*NBPW - 2*NBPW;
-	u.u_frame [FRAME_SP] = ap - 16;
+    u.u_frame [FRAME_SP] = (ap - 16) & ~0xf;       /* align to 16 bytes */
         u.u_frame [FRAME_R4] = na - ne;			/* $a0 := argc */
         u.u_frame [FRAME_R5] = ap;			/* $a1 := argv */
         u.u_frame [FRAME_R6] = ap + (na-ne+1)*NBPW;	/* $a2 := env */

sys/pic32/Makefile

@@ -5,8 +5,7 @@ SUBDIR		= baremetal dip duinomite duinomite-uart duinomite-e \
                   duinomite-e-uart explorer16 max32 max32-eth maximite \
                   meb pinguino-micro starter-kit ubw32 ubw32-uart \
                   ubw32-uart-sdram baremetal fubarino fubarino-uart \
-                  fubarino-uart-sramc mmb-mx7 maximite-color \
-                  32mxsdram-uart
+                  fubarino-uart-sramc mmb-mx7 maximite-color 32mxsdram-uart
 
 default:
 

sys/pic32/float.h

@@ -24,19 +24,29 @@
  * The values are dependant upon the presence of the -fno-short-double
  * compiler option.
  */
-#define DBL_EPSILON     FLT_EPSILON
-#define DBL_MAX         FLT_MAX
-#define DBL_MIN         FLT_MIN
-#define DBL_DIG         FLT_DIG
-#define DBL_MANT_DIG    FLT_MANT_DIG
-#define DBL_MAX_10_EXP  FLT_MAX_10_EXP
-#define DBL_MAX_EXP     FLT_MAX_EXP
-#define DBL_MIN_10_EXP  FLT_MIN_10_EXP
-#define DBL_MIN_EXP     FLT_MIN_EXP
+//#define DBL_EPSILON     FLT_EPSILON
+//#define DBL_MAX         FLT_MAX
+//#define DBL_MIN         FLT_MIN
+//#define DBL_DIG         FLT_DIG
+//#define DBL_MANT_DIG    FLT_MANT_DIG
+//#define DBL_MAX_10_EXP  FLT_MAX_10_EXP
+//#define DBL_MAX_EXP     FLT_MAX_EXP
+//#define DBL_MIN_10_EXP  FLT_MIN_10_EXP
+//#define DBL_MIN_EXP     FLT_MIN_EXP
 
 /*
  * These values provide information pertaining to the long double type.
  */
+#define DBL_EPSILON    2.2204460492503131E-16
+#define DBL_MAX        1.7976931348623157E+308
+#define DBL_MIN        2.2250738585072014E-308
+#define DBL_DIG        15
+#define DBL_MANT_DIG   53
+#define DBL_MAX_10_EXP 308
+#define DBL_MAX_EXP    1024
+#define DBL_MIN_10_EXP (-307)
+#define DBL_MIN_EXP    (-1021)
+
 #define LDBL_EPSILON    2.2204460492503131E-16
 #define LDBL_MAX        1.7976931348623157E+308
 #define LDBL_MIN        2.2250738585072014E-308