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// Acid remote debug (using devdbg.c)
defn step()
{
local ur;
local addrs;
local id;
local l;
local b;
local bl;
local sl;
complex Proc proc;
ur = proc.dbgreg;
if ur == 0 then
error("step: process not in breakpoint trap");
complex Ureg ur;
//
// stop all kprocs that could potentially hit this breakpoint
// make a list of all the breakpoints at this address
//
bl = {};
sl = {};
l = bpl;
while l do {
b = head l;
if b[2] == ur.pc then {
if status(b[1]) != "Stopped" then {
stop(b[1]);
sl = append sl, b[1];
}
bl = append bl, b;
}
l = tail l;
}
//
// delete all the breakpoints at this address
//
if bl then {
l = bl;
while l do {
b = head l;
_bpconddel(b[0]);
l = tail l;
}
}
//
// single step to the following address
//
addrs = follow(ur.pc);
id = bpset(addrs[0]);
startstop(pid);
bpdel(id);
//
// restore all the breakpoints at this address
//
if bl then {
l = bl;
while l do {
b = head l;
_bpcondset(b[0], b[1], b[2], b[3]);
l = tail l;
}
}
//
// restart all kprocs that could potentially hit this breakpoint
//
if sl then {
l = sl;
while l do {
start(head l);
l = tail l;
}
}
}
defn pstop(pid)
{
local l;
local pc;
local ur;
if nopstop then
return {};
complex Proc proc;
ur = proc.dbgreg;
complex Ureg ur;
pc = ur.pc;
if _breakid != -1 then {
print("break ", _breakid\d, ": pid ");
_breakid = -1;
}
print(pid,": ", status(pid), "\t");
print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
if notes then {
if notes[0] != "sys: breakpoint" then {
print("Notes pending:\n");
l = notes;
while l do {
print("\t", head l, "\n");
l = tail l;
}
}
}
}
print("$ROOT/lib/acid/rdebug");
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