// 386 support

defn acidinit()			// Called after all the init modules are loaded
{
	bplist = {};
	bpfmt = 'b';

	srcpath = {
		"./",
		"/sys/src/libc/port/",
		"/sys/src/libc/9sys/",
		"/sys/src/libc/amd64/"
	};

	srcfiles = {};			// list of loaded files
	srctext = {};			// the text of the files
}

defn linkreg(addr)
{
	return {};
}

defn stk()				// trace
{
	_stk({"PC", *PC, "SP", *SP}, 0);
}

defn lstk()				// trace with locals
{
	_stk({"PC", *PC, "SP", *SP}, 1);
}

defn gpr()		// print general(hah hah!) purpose registers
{
	print("AX\t", *AX, " BX\t", *BX, " CX\t", *CX, " DX\t", *DX, "\n");
	print("DI\t", *DI, " SI\t", *SI, " BP\t", *BP, "\n");
	print("R8\t", *R8, " R9\t", *R9, " R10\t", *R10, " R11\t", *R11, "\n");
	print("R12\t", *R12, " R13\t", *R13, " R14\t", *R14, " R15\t", *R15, "\n");
}

defn spr()				// print special processor registers
{
	local pc;
	local cause;

	pc = *PC;
	print("PC\t", pc, " ", fmt(pc, 'a'), "  ");
	pfl(pc);
	print("SP\t", *SP, " FLAGS ", *FLAGS, "\n");
	print("CS\t", *CS, " DS\t ", *DS, " SS\t", *SS, "\n");
	print("GS\t", *GS, " FS\t ", *FS, " ES\t", *ES, "\n");
	
	cause = *TRAP;
	print("TRAP\t", cause, " ", reason(cause), "\n");
}

defn regs()				// print all registers
{
	spr();
	gpr();
}

defn mmregs()
{
	print("MM0\t", *MM0, " MM1\t", *MM1, "\n");
	print("MM2\t", *MM2, " MM3\t", *MM3, "\n");
	print("MM4\t", *MM4, " MM5\t", *MM5, "\n");
	print("MM6\t", *MM6, " MM7\t", *MM7, "\n");
}

defn pfixstop(pid)
{
	if *fmt(*PC-1, 'b') == 0xCC then {
		// Linux stops us after the breakpoint, not at it
		*PC = *PC-1;
	}
}


defn pstop(pid)
{
	local l;
	local pc;
	local why;

	pc = *PC;

	// FIgure out why we stopped.
	if *fmt(pc, 'b') == 0xCC then {
		why = "breakpoint";
		
		// fix up instruction for print; will put back later
		*pc = @pc;
	} else if *(pc-2\x) == 0x80CD then {
		pc = pc-2;
		why = "system call";
	} else
		why = "stopped";

	if printstopped then {
		print(pid,": ", why, "\t");
		print(fmt(pc, 'a'), "\t", *fmt(pc, 'i'), "\n");
	}
	
	if why == "breakpoint" then
		*fmt(pc, bpfmt) = bpinst;
	
	if printstopped && 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;
			}
		}
	}
}

aggr Ureg
{
	'Y' 0 ax;
	'Y' 8 bx;
	'Y' 16 cx;
	'Y' 24 dx;
	'Y' 32 si;
	'Y' 40 di;
	'Y' 48 bp;
	'Y' 56 r8;
	'Y' 64 r9;
	'Y' 72 r10;
	'Y' 80 r11;
	'Y' 88 r12;
	'Y' 96 r13;
	'Y' 104 r14;
	'Y' 112 r15;

	'u' 120 ds;
	'u' 122 es;
	'u' 124 fs;
	'u' 126 gs;
	
	'Y' 128 type;
	'Y' 136 error;
	'Y' 144 pc;
	'Y' 152 cs;
	'Y' 160 flags;
	'Y' 168 sp;
	'Y' 176 ss;
};

defn
Ureg(addr) {
	complex Ureg addr;
	print("	ax	", addr.ax, "\n");
	print("	bx	", addr.bx, "\n");
	print("	cx	", addr.cx, "\n");
	print("	dx	", addr.dx, "\n");
	print("	si	", addr.si, "\n");
	print("	di	", addr.di, "\n");
	print("	bp	", addr.bp, "\n");
	print("	r8	", addr.r8, "\n");
	print("	r9	", addr.r9, "\n");
	print("	r10	", addr.r10, "\n");
	print("	r11	", addr.r11, "\n");
	print("	r12	", addr.r12, "\n");
	print("	r13	", addr.r13, "\n");
	print("	r14	", addr.r14, "\n");
	print("	r15	", addr.r15, "\n");
	print("	ds	", addr.ds, "\n");
	print("	es	", addr.es, "\n");
	print("	fs	", addr.fs, "\n");
	print("	gs	", addr.gs, "\n");
	print("	type	", addr.type, "\n");
	print("	error	", addr.error, "\n");
	print("	pc	", addr.pc, "\n");
	print("	cs	", addr.cs, "\n");
	print("	flags	", addr.flags, "\n");
	print("	sp	", addr.sp, "\n");
	print("	ss	", addr.ss, "\n");
};
sizeofUreg = 184;

aggr freebsd_amd64_siginfo
{
	'X' 0 signo;
	'X' 4 errno;
	'X' 8 code;
	'X' 12 pid;
	'X' 16 uid;
	'X' 20 status;
	'Y' 24 addr;
	'Y' 32 sigval;
	's' 40 reason;
};

defn
freebsd_amd64_siginfo(addr) {
	complex freebsd_amd64_siginfo addr;
	print("	signo	", addr.signo, "\n");
	print("	errno	", addr.errno, "\n");
	print("	code	", addr.code, "\n");
	print("	pid	", addr.pid, "\n");
	print("	uid	", addr.uid, "\n");
	print("	status	", addr.status, "\n");
	print("	addr	", addr.addr, "\n");
	print("	sigval	", addr.sigval, "\n");
};

aggr freebsd_amd64_ucontext
{
	'X' 0 sigmask0;
	'X' 4 sigmask1;
	'X' 8 sigmask2;
	'X' 12 sigmask3;
	'Y' 16 onstack;
	'Y' 24 rdi;
	'Y' 32 rsi;
	'Y' 40 rdx;
	'Y' 48 rcx;
	'Y' 56 r8;
	'Y' 64 r9;
	'Y' 72 rax;
	'Y' 80 rbx;
	'Y' 88 rbp;
	'Y' 96 r10;
	'Y' 104 r11;
	'Y' 112 r12;
	'Y' 120 r13;
	'Y' 128 r14;
	'Y' 136 r15;
	'X' 144 trapno;
	'x' 148 fs;
	'x' 150 gs;
	'Y' 152 addr;
	'X' 160 flags;
	'x' 164 es;
	'x' 166 ds;
	'Y' 168 err;
	'Y' 176 rip;
	'Y' 184 cs;
	'Y' 192 rflags;
	'Y' 200 rsp;
	'Y' 208 ss;
	'Y' 216 len;
	'Y' 224 fpformat;
	'Y' 232 ownedfp;
	'Y' 240 fpstate0;
	'Y' 752 fsbase;
	'Y' 760 gsbase;
};

defn
freebsd_amd64_ucontext(addr) {
	complex freebsd_amd64_ucontext addr;
	print("	sigmask0	", addr.sigmask0, "\n");
	print("	sigmask1	", addr.sigmask1, "\n");
	print("	sigmask2	", addr.sigmask2, "\n");
	print("	sigmask3	", addr.sigmask3, "\n");
	print("	onstack	", addr.onstack, "\n");
	print("	rdi	", addr.rdi, "\n");
	print("	rsi	", addr.rsi, "\n");
	print("	rdx	", addr.rdx, "\n");
	print("	rcx	", addr.rcx, "\n");
	print("	r8	", addr.r8, "\n");
	print("	r9	", addr.r9, "\n");
	print("	rax	", addr.rax, "\n");
	print("	rbx	", addr.rbx, "\n");
	print("	rbp	", addr.rbp, "\n");
	print("	r10	", addr.r10, "\n");
	print("	r11	", addr.r11, "\n");
	print("	r12	", addr.r12, "\n");
	print("	r13	", addr.r13, "\n");
	print("	r14	", addr.r14, "\n");
	print("	r15	", addr.r15, "\n");
	print("	trapno	", addr.trapno, "\n");
	print("	fs	", addr.fs, "\n");
	print("	gs	", addr.gs, "\n");
	print("	addr	", addr.addr, "\n");
	print("	flags	", addr.flags, "\n");
	print("	es	", addr.es, "\n");
	print("	ds	", addr.ds, "\n");
	print("	err	", addr.err, "\n");
	print("	rip	", addr.rip, "\n");
	print("	cs	", addr.cs, "\n");
	print("	rflags	", addr.rflags, "\n");
	print("	rsp	", addr.rsp, "\n");
	print("	ss	", addr.ss, "\n");
	print("	len	", addr.len, "\n");
	print("	fpformat	", addr.fpformat, "\n");
	print("	ownedfp	", addr.ownedfp, "\n");
	print("	fpstate0	", addr.fpstate0, "\n");
	print("	fsbase	", addr.fsbase, "\n");
	print("	gsbase	", addr.gsbase, "\n");
}

// aggr Linkdebug
// {
// 	'X' 0 version;
// 	'X' 4 map;
// };
// 
// aggr Linkmap
// {
// 	'X' 0 addr;
// 	'X' 4 name;
// 	'X' 8 dynsect;
// 	'X' 12 next;
// 	'X' 16 prev;
// };
// 
// defn
// linkdebug()
// {
// 	local a;
// 
// 	if !havesymbol("_DYNAMIC") then
// 		return 0;
// 	
// 	a = _DYNAMIC;
// 	while *a != 0 do {
// 		if *a == 21 then // 21 == DT_DEBUG
// 			return *(a+4);
// 		a = a+8;
// 	}
// 	return 0;
// }
// 
// defn
// dynamicmap()
// {
// 	if systype == "linux"  || systype == "freebsd" then {
// 		local r, m, n;
// 	
// 		r = linkdebug();
// 		if r then {
// 			complex Linkdebug r;
// 			m = r.map;
// 			n = 0;
// 			while m != 0 && n < 100 do {
// 				complex Linkmap m;
// 				if m.name && *(m.name\b) && access(*(m.name\s)) then
// 					print("textfile({\"", *(m.name\s), "\", ", m.addr\X, "});\n");
// 				m = m.next;
// 				n = n+1;
// 			}
// 		}
// 	}
// }
// */

defn
acidmap()
{
//	dynamicmap();
	acidtypes();
}

print(acidfile);