MCOUNT
#define ALTENTRY(name) GEN_ENTRY(name) ; MCOUNT ; MEXITCOUNT ; jmp 9f
ALIGN_TEXT; __CONCAT(to,label): ; MCOUNT; jmp label
#define ENTRY(name) GEN_ENTRY(name) ; 9: ; MCOUNT
#define RTMCOUNT(x) MCOUNT(x)
x: MCOUNT(x)
y: MCOUNT(x)
#define RTMCOUNT(x) MCOUNT(x)
x: MCOUNT(x)
y: MCOUNT(x)