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#!/usr/bin/awk -f r2.awk -f
function getreg(x) {
ret=r2cmd(o,"?v $"x);
if(ret==0) {
print("Cannot debug program")
exit(1)
}
return num(ret)
}
function step(count) {
r2cmd(o,"ds "count)
r2cmd(o,".dr*")
}
BEGIN {
target="/bin/ls"
file="dbg://"target
if ((o=r2open())==0) {
print("Cannot open program for debugging")
exit(1)
}
pc=getreg("pc")
sp=getreg("sp")
bp=getreg("bp")
print("PC="pc)
print("SP="sp)
print("BP="bp)
print(r2cmd(o,"dr="))
print(r2cmd(o,"pdi 5@$pc"))
step(4)
print("Analyzing code...")
r2cmd(o,"af")
print(r2cmd(o,"pdf"))
r2close(o)
}
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