569 lines
8.7 KiB
Text
569 lines
8.7 KiB
Text
// portable acid for all architectures
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defn pfl(addr)
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{
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print(pcfile(addr), ":", pcline(addr), "\n");
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}
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defn
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notestk(addr)
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{
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local pc, sp;
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complex Ureg addr;
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pc = addr.pc\A;
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sp = addr.sp\A;
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print("Note pc:", pc, " sp:", sp, " ", fmt(pc, 'a'), " ");
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pfl(pc);
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_stk(pc, sp, linkreg(addr), 1);
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}
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defn
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notelstk(addr)
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{
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local pc, sp;
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complex Ureg addr;
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pc = addr.pc\A;
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sp = addr.sp\A;
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print("Note pc:", pc, " sp:", sp, " ", fmt(pc, 'a'), " ");
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pfl(pc);
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_stk(pc, sp, linkreg(addr), 1);
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}
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defn params(param)
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{
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while param do {
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sym = head param;
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print(sym[0], "=", itoa(sym[1], "%ux"));
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param = tail param;
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if param then
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print (",");
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}
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}
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stkprefix = "";
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stkignore = {};
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stkend = 0;
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defn locals(l)
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{
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local sym;
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while l do {
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sym = head l;
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print(stkprefix, "\t", sym[0], "=", itoa(sym[1], "%ux"), "\n");
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l = tail l;
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}
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}
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defn _stkign(file)
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{
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s = stkignore;
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while s do {
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if regexp(head s, file) then
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return 1;
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s = tail s;
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}
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return 0;
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}
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// print a stack trace
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//
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// in a run of leading frames in files matched by regexps in stkignore,
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// only print the last one.
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defn _stk(pc, sp, link, dolocals)
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{
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local stk, ign, last, lastpc;
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stk = strace(pc, sp, link);
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if stkignore then
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ign = 1;
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else
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ign = 0;
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last = stk;
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lastpc = pc;
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while stk do {
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if ign then {
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if !_stkign(pcfile(pc)) then {
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ign = 0;
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stk = last;
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pc = lastpc;
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}
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}
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frame = head stk;
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if !ign then {
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print(stkprefix, fmt(frame[0], 'a'), "(");
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params(frame[2]);
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print(")+", itoa(pc-frame[0], "%ux"), " ");
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pfl(pc);
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if dolocals then
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locals(frame[3]);
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}
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last = stk;
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lastpc = pc;
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stk = tail stk;
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pc = frame[1];
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}
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print(stkprefix, fmt(pc, 'a'), " ");
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pfl(pc);
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}
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defn findsrc(file)
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{
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local lst, src;
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if file[0] == '/' then {
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src = file(file);
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if src != {} then {
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srcfiles = append srcfiles, file;
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srctext = append srctext, src;
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return src;
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}
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return {};
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}
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lst = srcpath;
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while head lst do {
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src = file(head lst+file);
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if src != {} then {
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srcfiles = append srcfiles, file;
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srctext = append srctext, src;
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return src;
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}
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lst = tail lst;
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}
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}
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defn line(addr)
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{
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local src, file;
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file = pcfile(addr);
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src = match(file, srcfiles);
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if src >= 0 then
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src = srctext[src];
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else
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src = findsrc(file);
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if src == {} then {
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print("no source for ", file, "\n");
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return {};
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}
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line = pcline(addr)-1;
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print(file, ":", line+1, ":", src[line], "\n");
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}
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defn addsrcdir(dir)
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{
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dir = dir+"/";
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if match(dir, srcpath) >= 0 then {
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print("already in srcpath\n");
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return {};
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}
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srcpath = {dir}+srcpath;
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}
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defn source()
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{
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local l;
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l = srcpath;
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while l do {
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print(head l, "\n");
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l = tail l;
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}
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l = srcfiles;
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while l do {
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print("\t", head l, "\n");
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l = tail l;
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}
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}
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defn Bsrc(addr)
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{
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local lst;
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lst = srcpath;
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file = pcfile(addr);
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if file[0] == '/' && access(file) then {
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rc("B "+file+":"+itoa(pcline(addr)));
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return {};
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}
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while head lst do {
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name = head lst+file;
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if access(name) then {
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rc("B "+name+":"+itoa(pcline(addr)));
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return {};
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}
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lst = tail lst;
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}
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print("no source for ", file, "\n");
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}
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defn srcline(addr)
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{
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local text, cline, line, file, src;
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file = pcfile(addr);
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src = match(file,srcfiles);
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if (src>=0) then
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src = srctext[src];
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else
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src = findsrc(file);
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if (src=={}) then
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{
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return "(no source)";
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}
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return src[pcline(addr)-1];
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}
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defn src(addr)
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{
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local src, file, line, cline, text;
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file = pcfile(addr);
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src = match(file, srcfiles);
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if src >= 0 then
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src = srctext[src];
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else
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src = findsrc(file);
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if src == {} then {
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print("no source for ", file, "\n");
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return {};
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}
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cline = pcline(addr)-1;
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print(file, ":", cline+1, "\n");
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line = cline-5;
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loop 0,10 do {
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if line >= 0 then {
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text = src[line];
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if text == {} then
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return {};
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if line == cline then
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print(">");
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else
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print(" ");
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print(line+1, "\t", text, "\n");
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}
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line = line+1;
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}
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}
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defn step() // single step the process
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{
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local lst, lpl, addr, bput;
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bput = 0;
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if match(*PC, bplist) >= 0 then { // Sitting on a breakpoint
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bput = fmt(*PC, bpfmt);
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*bput = @bput;
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}
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lst = follow(*PC);
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lpl = lst;
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while lpl do { // place break points
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*(head lpl) = bpinst;
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lpl = tail lpl;
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}
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startstop(pid); // do the step
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while lst do { // remove the breakpoints
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addr = fmt(head lst, bpfmt);
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*addr = @addr;
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lst = tail lst;
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}
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if bput != 0 then
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*bput = bpinst;
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}
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defn bpset(addr) // set a breakpoint
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{
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if status(pid) != "Stopped" then {
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print("Waiting...\n");
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stop(pid);
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}
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if match(addr, bplist) >= 0 then
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print("breakpoint already set at ", fmt(addr, 'a'), "\n");
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else {
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*fmt(addr, bpfmt) = bpinst;
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bplist = append bplist, addr;
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}
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}
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defn bptab() // print a table of breakpoints
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{
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local lst, addr;
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lst = bplist;
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while lst do {
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addr = head lst;
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print("\t", fmt(addr, 'A'), " ", fmt(addr, 'a'), " ", fmt(addr, 'i'), "\n");
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lst = tail lst;
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}
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}
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defn bpdel(addr) // delete a breakpoint
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{
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local n, pc, nbplist;
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n = match(addr, bplist);
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if n < 0 then {
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print("no breakpoint at ", fmt(addr, 'a'), "\n");
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return {};
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}
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addr = fmt(addr, bpfmt);
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*addr = @addr;
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nbplist = {}; // delete from list
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while bplist do {
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pc = head bplist;
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if pc != addr then
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nbplist = append nbplist, pc;
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bplist = tail bplist;
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}
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bplist = nbplist; // delete from memory
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}
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defn cont() // continue execution
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{
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local addr;
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addr = fmt(*PC, bpfmt);
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if match(addr, bplist) >= 0 then { // Sitting on a breakpoint
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*addr = @addr;
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step(); // Step over
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*addr = bpinst;
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}
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startstop(pid); // Run
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}
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defn stopped(pid) // called from acid when a process changes state
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{
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pstop(pid); // stub so this is easy to replace
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}
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defn procs() // print status of processes
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{
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local c, lst, cpid;
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cpid = pid;
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lst = proclist;
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while lst do {
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np = head lst;
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setproc(np);
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if np == cpid then
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c = '>';
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else
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c = ' ';
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print(fmt(c, 'c'), np, ": ", status(np), " at ", fmt(*PC, 'a'), " setproc(", np, ")\n");
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lst = tail lst;
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}
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pid = cpid;
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if pid != 0 then
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setproc(pid);
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}
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_asmlines = 30;
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defn asm(addr)
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{
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local bound;
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bound = fnbound(addr);
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addr = fmt(addr, 'i');
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loop 1,_asmlines do {
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print(fmt(addr, 'a'), " ", fmt(addr, 'A'));
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print("\t", @addr++, "\n");
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if bound != {} && addr > bound[1] then {
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lasmaddr = addr;
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return {};
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}
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}
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lasmaddr = addr;
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}
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defn casm()
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{
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asm(lasmaddr);
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}
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defn win()
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{
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local npid, estr;
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bplist = {};
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notes = {};
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estr = "/sys/lib/acid/window '0 0 600 400' "+textfile;
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if progargs != "" then
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estr = estr+" "+progargs;
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npid = rc(estr);
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npid = atoi(npid);
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if npid == 0 then
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error("win failed to create process");
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setproc(npid);
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stopped(npid);
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}
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defn win2()
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{
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local npid, estr;
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bplist = {};
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notes = {};
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estr = "/sys/lib/acid/transcript '0 0 600 400' '100 100 700 500' "+textfile;
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if progargs != "" then
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estr = estr+" "+progargs;
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npid = rc(estr);
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npid = atoi(npid);
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if npid == 0 then
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error("win failed to create process");
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setproc(npid);
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stopped(npid);
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}
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defn new()
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{
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bplist = {};
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newproc(progargs);
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// Dont miss the delay slot calls
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bpset(follow(main)[0]);
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cont();
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bpdel(*PC);
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}
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defn stmnt() // step one statement
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{
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local line;
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line = pcline(*PC);
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while 1 do {
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step();
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if line != pcline(*PC) then {
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src(*PC);
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return {};
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}
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}
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}
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defn func() // step until we leave the current function
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{
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local bound, end, start, pc;
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bound = fnbound(*PC);
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if bound == {} then {
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print("cannot locate text symbol\n");
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return {};
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}
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pc = *PC;
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start = bound[0];
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end = bound[1];
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while pc >= start && pc < end do {
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step();
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pc = *PC;
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}
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}
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defn next()
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{
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local sp, bound;
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sp = *SP;
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bound = fnbound(*PC);
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stmnt();
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pc = *PC;
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if pc >= bound[0] && pc < bound[1] then
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return {};
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while (pc < bound[0] || pc > bound[1]) && sp >= *SP do {
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step();
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pc = *PC;
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}
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src(*PC);
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}
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defn dump(addr, n, fmt)
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{
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// see definition of dump in acid manual: it does n+1 iterations
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loop 0, n do {
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print(fmt(addr, 'A'), ": ");
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addr = mem(addr, fmt);
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}
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}
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defn mem(addr, fmt)
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{
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local i, c, n;
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i = 0;
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while fmt[i] != 0 do {
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c = fmt[i];
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n = 0;
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while '0' <= fmt[i] && fmt[i] <= '9' do {
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n = 10*n + fmt[i]-'0';
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i = i+1;
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}
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if n <= 0 then n = 1;
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addr = fmt(addr, fmt[i]);
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while n > 0 do {
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print(*addr++, " ");
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n = n-1;
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}
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i = i+1;
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}
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print("\n");
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return addr;
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}
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defn symbols(pattern)
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{
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local l, s;
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l = symbols;
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while l do {
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s = head l;
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if regexp(pattern, s[0]) then
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print(s[0], "\t", s[1], "\t", s[2], "\n");
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l = tail l;
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}
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}
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defn spsrch(len)
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{
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local addr, a, s, e;
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addr = *SP;
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s = origin & 0x7fffffff;
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e = etext & 0x7fffffff;
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loop 1, len do {
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a = *addr++;
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c = a & 0x7fffffff;
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if c > s && c < e then {
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print("src(", a, ")\n");
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pfl(a);
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}
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}
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}
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progargs="";
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print("/sys/lib/acid/port");
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