libmach: always print 0x on hex numbers

R=r
DELTA=3  (0 added, 0 deleted, 3 changed)
OCL=21558
CL=21558

src/libmach_amd64/8db.c

@@ -301,7 +301,7 @@ enum{
 	REXX		= 1<<1,	/* extend sib index */
 	REXB		= 1<<0	/* extend modrm r/m, sib base, or opcode reg */
 };
-	
+
 	/* Operand Format codes */
 /*
 %A	-	address size register modifier (!asize -> 'E')
@@ -361,7 +361,7 @@ enum {
 	OPOVER,			/* Operand size override */
 	ADDOVER,		/* Address size override */
 };
-	
+
 static Optable optab0F00[8]=
 {
 [0x00]	0,0,		"MOVW	LDT,%e",
@@ -859,7 +859,7 @@ static Optable optabD8[8+8] =
 [0x0f]	0,0,		"FDIVRD	%f,F0",
 };
 /*
- *	optabD9 and optabDB use the following encoding: 
+ *	optabD9 and optabDB use the following encoding:
  *	if (0 <= modrm <= 2) instruction = optabDx[modrm&0x07];
  *	else instruction = optabDx[(modrm&0x3f)+8];
  *
@@ -1931,7 +1931,7 @@ immediate(Instr *ip, vlong val)
 			w = -w;
 		if (issymref(ip, &s, w, val)) {
 			if (w)
-				bprint(ip, "%s+%lux(SB)", s.name, w);
+				bprint(ip, "%s+%#lux(SB)", s.name, w);
 			else
 				bprint(ip, "%s(SB)", s.name);
 			return;
@@ -1942,7 +1942,7 @@ immediate(Instr *ip, vlong val)
 			if (w < 0)
 				w = -w;
 			if (w < 4096) {
-				bprint(ip, "%s-%lux(SB)", s.name, w);
+				bprint(ip, "%s-%#lux(SB)", s.name, w);
 				return;
 			}
 		}
@@ -2250,7 +2250,7 @@ i386foll(Map *map, uvlong pc, Rgetter rget, uvlong *foll)
 		return 1;
 	default:
 		break;
-	}		
+	}
 	if (strncmp(op->proto,"JMP", 3) == 0 || strncmp(op->proto,"CALL", 4) == 0)
 		return 1;
 	foll[n++] = pc+i.n;

src/libmach_amd64/machdata.c

@@ -113,7 +113,7 @@ symoff(char *buf, int n, uvlong v, int space)
 	if (s.type != 't' && s.type != 'T' && delta >= 4096)
 		return snprint(buf, n, "%llux", v);
 	else if (delta)
-		return snprint(buf, n, "%s+%lux", s.name, delta);
+		return snprint(buf, n, "%s+%#lux", s.name, delta);
 	else
 		return snprint(buf, n, "%s", s.name);
 }
@@ -150,7 +150,7 @@ fpformat(Map *map, Reglist *rp, char *buf, int n, int modif)
 			if (rp->rformat == 'F')
 				return 1;
 			return 2;
-		}	
+		}
 			/* treat it like 'f' */
 		if (get1(map, rp->roffs, (uchar *)reg, 4) < 0)
 			return -1;