src/usr.bin/gprof/i386.c - diff

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version 1.6, 2002/04/20 03:37:40

version 1.7, 2002/05/08 16:46:35

Line 34

#include "gprof.h"

#define iscall(pc) ((*pc) == 0xE8)

#define iscall(off) ((*(u_char *)&textspace[off]) == 0xE8)

void

findcall( parentp , p_lowpc , p_highpc )

Line 42

unsigned long p_lowpc;

unsigned long p_highpc;

{

unsigned char *pc;

unsigned long pc;

long len;

nltype *childp;

unsigned long destpc;

int off;

if (textspace == 0)

return;

Line 59

Line 60

parentp -> name , p_lowpc , p_highpc );

}

# endif /* DEBUG */

for (pc = textspace + p_lowpc - N_TXTADDR(xbuf) ; pc < textspace + p_highpc - N_TXTADDR(xbuf) ; pc += len) {

for (pc = p_lowpc; pc < p_highpc; pc += len) {

off = pc - s_lowpc;

len = 1;

if (iscall(pc)) {

if (iscall(off)) {

destpc = *(unsigned long *)(pc + 1) + (pc - textspace + N_TXTADDR(xbuf)) + 5;

destpc = *(u_long *)&textspace[off + 1] + off + 5;

# ifdef DEBUG

if ( debug & CALLDEBUG ) {

printf( "[findcall]\t0x%x:calls" , pc - textspace );