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authorKartik Agaram <vc@akkartik.com>2018-07-27 11:55:47 -0700
committerKartik Agaram <vc@akkartik.com>2018-07-27 11:55:47 -0700
commit069ed1c879866673ce51dfccfb6b78f8055aeb4d (patch)
treed36c4b00786bb8277349c13a46ef407941496c9d
parent7c22499166a6a1c8cd43b23f360ff4942d435178 (diff)
downloadmu-069ed1c879866673ce51dfccfb6b78f8055aeb4d.tar.gz
4442
Clean up trace levels everywhere in SubX.
-rw-r--r--subx/010vm.cc6
-rw-r--r--subx/011run.cc2
-rw-r--r--subx/012direct_addressing.cc42
-rw-r--r--subx/013indirect_addressing.cc38
-rw-r--r--subx/014immediate_addressing.cc38
-rw-r--r--subx/015index_addressing.cc8
-rw-r--r--subx/016jump_relative.cc14
-rw-r--r--subx/017jump_relative.cc14
-rw-r--r--subx/018functions.cc12
-rw-r--r--subx/019syscalls.cc2
-rw-r--r--subx/026labels.cc10
11 files changed, 93 insertions, 93 deletions
diff --git a/subx/010vm.cc b/subx/010vm.cc
index 5ea40bbc..e89e2566 100644
--- a/subx/010vm.cc
+++ b/subx/010vm.cc
@@ -70,7 +70,7 @@ SF = ZF = OF = false;
   /* arg1 and arg2 must be signed */ \
   int64_t tmp = arg1 op arg2; \
   arg1 = arg1 op arg2; \
-  trace(2, "run") << "storing 0x" << HEXWORD << arg1 << end(); \
+  trace(90, "run") << "storing 0x" << HEXWORD << arg1 << end(); \
   SF = (arg1 < 0); \
   ZF = (arg1 == 0); \
   OF = (arg1 != tmp); \
@@ -81,7 +81,7 @@ SF = ZF = OF = false;
 #define BINARY_BITWISE_OP(op, arg1, arg2) { \
   /* arg1 and arg2 must be unsigned */ \
   arg1 = arg1 op arg2; \
-  trace(2, "run") << "storing 0x" << HEXWORD << arg1 << end(); \
+  trace(90, "run") << "storing 0x" << HEXWORD << arg1 << end(); \
   SF = (arg1 >> 31); \
   ZF = (arg1 == 0); \
   OF = false; \
@@ -146,7 +146,7 @@ inline void write_mem_i32(uint32_t addr, int32_t val) {
 // skeleton of how x86 instructions are decoded
 void run_one_instruction() {
   uint8_t op=0, op2=0, op3=0;
-  trace(2, "run") << "inst: 0x" << HEXWORD << EIP << end();
+  trace(90, "run") << "inst: 0x" << HEXWORD << EIP << end();
 //?   cerr << "inst: 0x" << EIP << '\n';
   switch (op = next()) {
   case 0xf4:  // hlt
diff --git a/subx/011run.cc b/subx/011run.cc
index 2de87a72..4a754a09 100644
--- a/subx/011run.cc
+++ b/subx/011run.cc
@@ -237,7 +237,7 @@ put(name, "05", "add imm32 to R0 (EAX)");
 :(before "End Single-Byte Opcodes")
 case 0x05: {  // add imm32 to EAX
   int32_t arg2 = imm32();
-  trace(2, "run") << "add imm32 0x" << HEXWORD << arg2 << " to reg EAX" << end();
+  trace(90, "run") << "add imm32 0x" << HEXWORD << arg2 << " to reg EAX" << end();
   BINARY_ARITHMETIC_OP(+, Reg[EAX].i, arg2);
   break;
 }
diff --git a/subx/012direct_addressing.cc b/subx/012direct_addressing.cc
index 66d34195..43b1137b 100644
--- a/subx/012direct_addressing.cc
+++ b/subx/012direct_addressing.cc
@@ -18,7 +18,7 @@ put(name, "01", "add r32 to rm32");
 case 0x01: {  // add r32 to r/m32
   uint8_t modrm = next();
   uint8_t arg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "add " << rname(arg2) << " to r/m32" << end();
+  trace(90, "run") << "add " << rname(arg2) << " to r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   BINARY_ARITHMETIC_OP(+, *arg1, Reg[arg2].i);
   break;
@@ -36,7 +36,7 @@ int32_t* effective_address(uint8_t modrm) {
   switch (mod) {
   case 3:
     // mod 3 is just register direct addressing
-    trace(2, "run") << "r/m32 is " << rname(rm) << end();
+    trace(90, "run") << "r/m32 is " << rname(rm) << end();
     return &Reg[rm].i;
   // End Mod Special-cases(addr)
   default:
@@ -81,7 +81,7 @@ put(name, "29", "subtract r32 from rm32");
 case 0x29: {  // subtract r32 from r/m32
   uint8_t modrm = next();
   uint8_t arg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "subtract " << rname(arg2) << " from r/m32" << end();
+  trace(90, "run") << "subtract " << rname(arg2) << " from r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   BINARY_ARITHMETIC_OP(-, *arg1, Reg[arg2].i);
   break;
@@ -107,7 +107,7 @@ put(name, "21", "rm32 = bitwise AND of r32 with rm32");
 case 0x21: {  // and r32 with r/m32
   uint8_t modrm = next();
   uint8_t arg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "and " << rname(arg2) << " with r/m32" << end();
+  trace(90, "run") << "and " << rname(arg2) << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   BINARY_BITWISE_OP(&, *arg1, Reg[arg2].u);
   break;
@@ -133,7 +133,7 @@ put(name, "09", "rm32 = bitwise OR of r32 with rm32");
 case 0x09: {  // or r32 with r/m32
   uint8_t modrm = next();
   uint8_t arg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "or " << rname(arg2) << " with r/m32" << end();
+  trace(90, "run") << "or " << rname(arg2) << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   BINARY_BITWISE_OP(|, *arg1, Reg[arg2].u);
   break;
@@ -159,7 +159,7 @@ put(name, "31", "rm32 = bitwise XOR of r32 with rm32");
 case 0x31: {  // xor r32 with r/m32
   uint8_t modrm = next();
   uint8_t arg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "xor " << rname(arg2) << " with r/m32" << end();
+  trace(90, "run") << "xor " << rname(arg2) << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   BINARY_BITWISE_OP(^, *arg1, Reg[arg2].u);
   break;
@@ -183,10 +183,10 @@ put(name, "f7", "bitwise complement of rm32");
 :(before "End Single-Byte Opcodes")
 case 0xf7: {  // xor r32 with r/m32
   uint8_t modrm = next();
-  trace(2, "run") << "'not' of r/m32" << end();
+  trace(90, "run") << "'not' of r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   *arg1 = ~(*arg1);
-  trace(2, "run") << "storing 0x" << HEXWORD << *arg1 << end();
+  trace(90, "run") << "storing 0x" << HEXWORD << *arg1 << end();
   SF = (*arg1 >> 31);
   ZF = (*arg1 == 0);
   OF = false;
@@ -213,7 +213,7 @@ put(name, "39", "set SF if rm32 < r32");
 case 0x39: {  // set SF if r/m32 < r32
   uint8_t modrm = next();
   uint8_t reg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "compare " << rname(reg2) << " with r/m32" << end();
+  trace(90, "run") << "compare " << rname(reg2) << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   int32_t arg2 = Reg[reg2].i;
   int32_t tmp1 = *arg1 - arg2;
@@ -221,7 +221,7 @@ case 0x39: {  // set SF if r/m32 < r32
   ZF = (tmp1 == 0);
   int64_t tmp2 = *arg1 - arg2;
   OF = (tmp1 != tmp2);
-  trace(2, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
+  trace(90, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
   break;
 }
 
@@ -266,10 +266,10 @@ put(name, "89", "copy r32 to rm32");
 case 0x89: {  // copy r32 to r/m32
   uint8_t modrm = next();
   uint8_t reg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "copy " << rname(reg2) << " to r/m32" << end();
+  trace(90, "run") << "copy " << rname(reg2) << " to r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   *arg1 = Reg[reg2].i;
-  trace(2, "run") << "storing 0x" << HEXWORD << *arg1 << end();
+  trace(90, "run") << "storing 0x" << HEXWORD << *arg1 << end();
   break;
 }
 
@@ -294,13 +294,13 @@ put(name, "87", "swap the contents of r32 and rm32");
 case 0x87: {  // exchange r32 with r/m32
   uint8_t modrm = next();
   uint8_t reg2 = (modrm>>3)&0x7;
-  trace(2, "run") << "exchange " << rname(reg2) << " with r/m32" << end();
+  trace(90, "run") << "exchange " << rname(reg2) << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   int32_t tmp = *arg1;
   *arg1 = Reg[reg2].i;
   Reg[reg2].i = tmp;
-  trace(2, "run") << "storing 0x" << HEXWORD << *arg1 << " in r/m32" << end();
-  trace(2, "run") << "storing 0x" << HEXWORD << Reg[reg2].i << " in " << rname(reg2) << end();
+  trace(90, "run") << "storing 0x" << HEXWORD << *arg1 << " in r/m32" << end();
+  trace(90, "run") << "storing 0x" << HEXWORD << Reg[reg2].i << " in " << rname(reg2) << end();
   break;
 }
 
@@ -336,15 +336,15 @@ case 0x55:
 case 0x56:
 case 0x57: {  // push r32 to stack
   uint8_t reg = op & 0x7;
-  trace(2, "run") << "push " << rname(reg) << end();
+  trace(90, "run") << "push " << rname(reg) << end();
   push(Reg[reg].u);
   break;
 }
 :(code)
 void push(uint32_t val) {
   Reg[ESP].u -= 4;
-  trace(2, "run") << "decrementing ESP to 0x" << HEXWORD << Reg[ESP].u << end();
-  trace(2, "run") << "pushing value 0x" << HEXWORD << val << end();
+  trace(90, "run") << "decrementing ESP to 0x" << HEXWORD << Reg[ESP].u << end();
+  trace(90, "run") << "pushing value 0x" << HEXWORD << val << end();
   write_mem_u32(Reg[ESP].u, val);
 }
 
@@ -382,15 +382,15 @@ case 0x5d:
 case 0x5e:
 case 0x5f: {  // pop stack into r32
   uint8_t reg = op & 0x7;
-  trace(2, "run") << "pop into " << rname(reg) << end();
+  trace(90, "run") << "pop into " << rname(reg) << end();
   Reg[reg].u = pop();
   break;
 }
 :(code)
 uint32_t pop() {
   uint32_t result = read_mem_u32(Reg[ESP].u);
-  trace(2, "run") << "popping value 0x" << HEXWORD << result << end();
+  trace(90, "run") << "popping value 0x" << HEXWORD << result << end();
   Reg[ESP].u += 4;
-  trace(2, "run") << "incrementing ESP to 0x" << HEXWORD << Reg[ESP].u << end();
+  trace(90, "run") << "incrementing ESP to 0x" << HEXWORD << Reg[ESP].u << end();
   return result;
 }
diff --git a/subx/013indirect_addressing.cc b/subx/013indirect_addressing.cc
index e908e17c..ede192fc 100644
--- a/subx/013indirect_addressing.cc
+++ b/subx/013indirect_addressing.cc
@@ -18,7 +18,7 @@
 case 0:  // indirect addressing
   switch (rm) {
   default:  // address in register
-    trace(2, "run") << "effective address is 0x" << std::hex << Reg[rm].u << " (" << rname(rm) << ")" << end();
+    trace(90, "run") << "effective address is 0x" << std::hex << Reg[rm].u << " (" << rname(rm) << ")" << end();
     addr = Reg[rm].u;
     break;
   // End Mod 0 Special-cases(addr)
@@ -47,7 +47,7 @@ put(name, "03", "add rm32 to r32");
 case 0x03: {  // add r/m32 to r32
   uint8_t modrm = next();
   uint8_t arg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "add r/m32 to " << rname(arg1) << end();
+  trace(90, "run") << "add r/m32 to " << rname(arg1) << end();
   const int32_t* arg2 = effective_address(modrm);
   BINARY_ARITHMETIC_OP(+, Reg[arg1].i, *arg2);
   break;
@@ -90,7 +90,7 @@ put(name, "2b", "subtract rm32 from r32");
 case 0x2b: {  // subtract r/m32 from r32
   uint8_t modrm = next();
   uint8_t arg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "subtract r/m32 from " << rname(arg1) << end();
+  trace(90, "run") << "subtract r/m32 from " << rname(arg1) << end();
   const int32_t* arg2 = effective_address(modrm);
   BINARY_ARITHMETIC_OP(-, Reg[arg1].i, *arg2);
   break;
@@ -133,7 +133,7 @@ ff 00 00 00  # 0xff
 case 0x23: {  // and r/m32 with r32
   uint8_t modrm = next();
   uint8_t arg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "and r/m32 with " << rname(arg1) << end();
+  trace(90, "run") << "and r/m32 with " << rname(arg1) << end();
   const int32_t* arg2 = effective_address(modrm);
   BINARY_BITWISE_OP(&, Reg[arg1].u, *arg2);
   break;
@@ -176,7 +176,7 @@ put(name, "0b", "r32 = bitwise OR of r32 with rm32");
 case 0x0b: {  // or r/m32 with r32
   uint8_t modrm = next();
   uint8_t arg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "or r/m32 with " << rname(arg1) << end();
+  trace(90, "run") << "or r/m32 with " << rname(arg1) << end();
   const int32_t* arg2 = effective_address(modrm);
   BINARY_BITWISE_OP(|, Reg[arg1].u, *arg2);
   break;
@@ -219,7 +219,7 @@ put(name, "33", "r32 = bitwise XOR of r32 with rm32");
 case 0x33: {  // xor r/m32 with r32
   uint8_t modrm = next();
   uint8_t arg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "xor r/m32 with " << rname(arg1) << end();
+  trace(90, "run") << "xor r/m32 with " << rname(arg1) << end();
   const int32_t* arg2 = effective_address(modrm);
   BINARY_BITWISE_OP(|, Reg[arg1].u, *arg2);
   break;
@@ -302,7 +302,7 @@ put(name, "3b", "set SF if rm32 > r32");
 case 0x3b: {  // set SF if r32 < r/m32
   uint8_t modrm = next();
   uint8_t reg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "compare r/m32 with " << rname(reg1) << end();
+  trace(90, "run") << "compare r/m32 with " << rname(reg1) << end();
   int32_t arg1 = Reg[reg1].i;
   int32_t* arg2 = effective_address(modrm);
   int32_t tmp1 = arg1 - *arg2;
@@ -310,7 +310,7 @@ case 0x3b: {  // set SF if r32 < r/m32
   ZF = (tmp1 == 0);
   int64_t tmp2 = arg1 - *arg2;
   OF = (tmp1 != tmp2);
-  trace(2, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
+  trace(90, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
   break;
 }
 
@@ -374,10 +374,10 @@ af 00 00 00  # 0xaf
 case 0x8b: {  // copy r32 to r/m32
   uint8_t modrm = next();
   uint8_t reg1 = (modrm>>3)&0x7;
-  trace(2, "run") << "copy r/m32 to " << rname(reg1) << end();
+  trace(90, "run") << "copy r/m32 to " << rname(reg1) << end();
   int32_t* arg2 = effective_address(modrm);
   Reg[reg1].i = *arg2;
-  trace(2, "run") << "storing 0x" << HEXWORD << *arg2 << end();
+  trace(90, "run") << "storing 0x" << HEXWORD << *arg2 << end();
   break;
 }
 
@@ -409,10 +409,10 @@ case 0xff: {
   uint8_t subop = (modrm>>3)&0x7;  // middle 3 'reg opcode' bits
   switch (subop) {
     case 4: {  // jump to r/m32
-      trace(2, "run") << "jump to r/m32" << end();
+      trace(90, "run") << "jump to r/m32" << end();
       int32_t* arg2 = effective_address(modrm);
       EIP = *arg2;
-      trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
+      trace(90, "run") << "jumping to 0x" << HEXWORD << EIP << end();
       break;
     }
     // End Op ff Subops
@@ -438,7 +438,7 @@ af 00 00 00  # 0xaf
 
 :(before "End Op ff Subops")
 case 6: {  // push r/m32 to stack
-  trace(2, "run") << "push r/m32" << end();
+  trace(90, "run") << "push r/m32" << end();
   const int32_t* val = effective_address(modrm);
   push(*val);
   break;
@@ -469,7 +469,7 @@ case 0x8f: {  // pop stack into r/m32
   uint8_t subop = (modrm>>3)&0x7;
   switch (subop) {
     case 0: {
-      trace(2, "run") << "pop into r/m32" << end();
+      trace(90, "run") << "pop into r/m32" << end();
       int32_t* dest = effective_address(modrm);
       *dest = pop();
       break;
@@ -495,7 +495,7 @@ case 0x8f: {  // pop stack into r/m32
 :(before "End Mod 0 Special-cases(addr)")
 case 5:  // exception: mod 0b00 rm 0b101 => incoming disp32
   addr = imm32();
-  trace(2, "run") << "effective address is 0x" << std::hex << addr << " (disp32)" << end();
+  trace(90, "run") << "effective address is 0x" << std::hex << addr << " (disp32)" << end();
   break;
 
 //:
@@ -519,13 +519,13 @@ case 1:  // indirect + disp8 addressing
   switch (rm) {
   default:
     addr = Reg[rm].u;
-    trace(2, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(rm) << ")" << end();
+    trace(90, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(rm) << ")" << end();
     break;
   // End Mod 1 Special-cases(addr)
   }
   if (addr > 0) {
     addr += static_cast<int8_t>(next());
-    trace(2, "run") << "effective address is 0x" << std::hex << addr << " (after adding disp8)" << end();
+    trace(90, "run") << "effective address is 0x" << std::hex << addr << " (after adding disp8)" << end();
   }
   break;
 
@@ -564,13 +564,13 @@ case 2:  // indirect + disp32 addressing
   switch (rm) {
   default:
     addr = Reg[rm].u;
-    trace(2, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(rm) << ")" << end();
+    trace(90, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(rm) << ")" << end();
     break;
   // End Mod 2 Special-cases(addr)
   }
   if (addr > 0) {
     addr += imm32();
-    trace(2, "run") << "effective address is 0x" << std::hex << addr << " (after adding disp32)" << end();
+    trace(90, "run") << "effective address is 0x" << std::hex << addr << " (after adding disp32)" << end();
   }
   break;
 
diff --git a/subx/014immediate_addressing.cc b/subx/014immediate_addressing.cc
index 8c308a80..165cc446 100644
--- a/subx/014immediate_addressing.cc
+++ b/subx/014immediate_addressing.cc
@@ -18,12 +18,12 @@ put(name, "81", "combine rm32 with imm32 based on subop");
 case 0x81: {  // combine imm32 with r/m32
   uint8_t modrm = next();
   int32_t arg2 = imm32();
-  trace(2, "run") << "combine imm32 0x" << HEXWORD << arg2 << " with r/m32" << end();
+  trace(90, "run") << "combine imm32 0x" << HEXWORD << arg2 << " with r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   uint8_t subop = (modrm>>3)&0x7;  // middle 3 'reg opcode' bits
   switch (subop) {
   case 0:
-    trace(2, "run") << "subop add" << end();
+    trace(90, "run") << "subop add" << end();
     BINARY_ARITHMETIC_OP(+, *arg1, arg2);
     break;
   // End Op 81 Subops
@@ -65,7 +65,7 @@ put(name, "2d", "subtract imm32 from R0 (EAX)");
 :(before "End Single-Byte Opcodes")
 case 0x2d: {  // subtract imm32 from EAX
   int32_t arg2 = imm32();
-  trace(2, "run") << "subtract imm32 0x" << HEXWORD << arg2 << " from EAX" << end();
+  trace(90, "run") << "subtract imm32 0x" << HEXWORD << arg2 << " from EAX" << end();
   BINARY_ARITHMETIC_OP(-, Reg[EAX].i, arg2);
   break;
 }
@@ -87,7 +87,7 @@ case 0x2d: {  // subtract imm32 from EAX
 
 :(before "End Op 81 Subops")
 case 5: {
-  trace(2, "run") << "subop subtract" << end();
+  trace(90, "run") << "subop subtract" << end();
   BINARY_ARITHMETIC_OP(-, *arg1, arg2);
   break;
 }
@@ -121,7 +121,7 @@ put(name, "25", "R0 = bitwise AND of imm32 with R0 (EAX)");
 :(before "End Single-Byte Opcodes")
 case 0x25: {  // and imm32 with EAX
   int32_t arg2 = imm32();
-  trace(2, "run") << "and imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
+  trace(90, "run") << "and imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
   BINARY_BITWISE_OP(&, Reg[EAX].i, arg2);
   break;
 }
@@ -143,7 +143,7 @@ ff 00 00 00  # 0xff
 
 :(before "End Op 81 Subops")
 case 4: {
-  trace(2, "run") << "subop and" << end();
+  trace(90, "run") << "subop and" << end();
   BINARY_BITWISE_OP(&, *arg1, arg2);
   break;
 }
@@ -177,7 +177,7 @@ put(name, "0d", "R0 = bitwise OR of imm32 with R0 (EAX)");
 :(before "End Single-Byte Opcodes")
 case 0x0d: {  // or imm32 with EAX
   int32_t arg2 = imm32();
-  trace(2, "run") << "or imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
+  trace(90, "run") << "or imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
   BINARY_BITWISE_OP(|, Reg[EAX].i, arg2);
   break;
 }
@@ -199,7 +199,7 @@ a0 b0 c0 d0  # 0xd0c0b0a0
 
 :(before "End Op 81 Subops")
 case 1: {
-  trace(2, "run") << "subop or" << end();
+  trace(90, "run") << "subop or" << end();
   BINARY_BITWISE_OP(|, *arg1, arg2);
   break;
 }
@@ -231,7 +231,7 @@ put(name, "35", "R0 = bitwise XOR of imm32 with R0 (EAX)");
 :(before "End Single-Byte Opcodes")
 case 0x35: {  // xor imm32 with EAX
   int32_t arg2 = imm32();
-  trace(2, "run") << "xor imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
+  trace(90, "run") << "xor imm32 0x" << HEXWORD << arg2 << " with EAX" << end();
   BINARY_BITWISE_OP(^, Reg[EAX].i, arg2);
   break;
 }
@@ -253,7 +253,7 @@ a0 b0 c0 d0  # 0xd0c0b0a0
 
 :(before "End Op 81 Subops")
 case 6: {
-  trace(2, "run") << "subop xor" << end();
+  trace(90, "run") << "subop xor" << end();
   BINARY_BITWISE_OP(^, *arg1, arg2);
   break;
 }
@@ -286,13 +286,13 @@ put(name, "3d", "subtract imm32 from R0 (EAX)");
 case 0x3d: {  // subtract imm32 from EAX
   int32_t arg1 = Reg[EAX].i;
   int32_t arg2 = imm32();
-  trace(2, "run") << "compare EAX and imm32 0x" << HEXWORD << arg2 << end();
+  trace(90, "run") << "compare EAX and imm32 0x" << HEXWORD << arg2 << end();
   int32_t tmp1 = arg1 - arg2;
   SF = (tmp1 < 0);
   ZF = (tmp1 == 0);
   int64_t tmp2 = arg1 - arg2;
   OF = (tmp1 != tmp2);
-  trace(2, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
+  trace(90, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
   break;
 }
 
@@ -326,13 +326,13 @@ case 0x3d: {  // subtract imm32 from EAX
 
 :(before "End Op 81 Subops")
 case 7: {
-  trace(2, "run") << "subop compare" << end();
+  trace(90, "run") << "subop compare" << end();
   int32_t tmp1 = *arg1 - arg2;
   SF = (tmp1 < 0);
   ZF = (tmp1 == 0);
   int64_t tmp2 = *arg1 - arg2;
   OF = (tmp1 != tmp2);
-  trace(2, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
+  trace(90, "run") << "SF=" << SF << "; ZF=" << ZF << "; OF=" << OF << end();
   break;
 }
 
@@ -422,7 +422,7 @@ case 0xbe:
 case 0xbf: {  // copy imm32 to r32
   uint8_t reg1 = op & 0x7;
   int32_t arg2 = imm32();
-  trace(2, "run") << "copy imm32 0x" << HEXWORD << arg2 << " to " << rname(reg1) << end();
+  trace(90, "run") << "copy imm32 0x" << HEXWORD << arg2 << " to " << rname(reg1) << end();
   Reg[reg1].i = arg2;
   break;
 }
@@ -445,7 +445,7 @@ put(name, "c7", "copy imm32 to rm32");
 case 0xc7: {  // copy imm32 to r32
   uint8_t modrm = next();
   int32_t arg2 = imm32();
-  trace(2, "run") << "copy imm32 0x" << HEXWORD << arg2 << " to r/m32" << end();
+  trace(90, "run") << "copy imm32 0x" << HEXWORD << arg2 << " to r/m32" << end();
   int32_t* arg1 = effective_address(modrm);
   *arg1 = arg2;
   break;
@@ -468,10 +468,10 @@ put(name, "68", "push imm32 to stack");
 :(before "End Single-Byte Opcodes")
 case 0x68: {
   int32_t val = imm32();
-  trace(2, "run") << "push imm32 0x" << HEXWORD << val << end();
+  trace(90, "run") << "push imm32 0x" << HEXWORD << val << end();
   Reg[ESP].u -= 4;
   write_mem_i32(Reg[ESP].u, val);
-  trace(2, "run") << "ESP is now 0x" << HEXWORD << Reg[ESP].u << end();
-  trace(2, "run") << "contents at ESP: 0x" << HEXWORD << read_mem_u32(Reg[ESP].u) << end();
+  trace(90, "run") << "ESP is now 0x" << HEXWORD << Reg[ESP].u << end();
+  trace(90, "run") << "contents at ESP: 0x" << HEXWORD << read_mem_u32(Reg[ESP].u) << end();
   break;
 }
diff --git a/subx/015index_addressing.cc b/subx/015index_addressing.cc
index 13287709..b1b7e563 100644
--- a/subx/015index_addressing.cc
+++ b/subx/015index_addressing.cc
@@ -26,22 +26,22 @@ uint32_t effective_address_from_sib(uint8_t mod) {
   uint32_t addr = 0;
   if (base != EBP || mod != 0) {
     addr = Reg[base].u;
-    trace(2, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(base) << ")" << end();
+    trace(90, "run") << "effective address is initially 0x" << std::hex << addr << " (" << rname(base) << ")" << end();
   }
   else {
     // base == EBP && mod == 0
     addr = imm32();  // ignore base
-    trace(2, "run") << "effective address is initially 0x" << std::hex << addr << " (disp32)" << end();
+    trace(90, "run") << "effective address is initially 0x" << std::hex << addr << " (disp32)" << end();
   }
   uint8_t index = (sib>>3)&0x7;
   if (index == ESP) {
     // ignore index and scale
-    trace(2, "run") << "effective address is 0x" << std::hex << addr << end();
+    trace(90, "run") << "effective address is 0x" << std::hex << addr << end();
   }
   else {
     uint8_t scale = (1 << (sib>>6));
     addr += Reg[index].i*scale;  // treat index register as signed. Maybe base as well? But we'll always ensure it's non-negative.
-    trace(2, "run") << "effective address is 0x" << std::hex << addr << " (after adding " << rname(index) << "*" << NUM(scale) << ")" << end();
+    trace(90, "run") << "effective address is 0x" << std::hex << addr << " (after adding " << rname(index) << "*" << NUM(scale) << ")" << end();
   }
   return addr;
 }
diff --git a/subx/016jump_relative.cc b/subx/016jump_relative.cc
index 48105414..57424215 100644
--- a/subx/016jump_relative.cc
+++ b/subx/016jump_relative.cc
@@ -19,7 +19,7 @@ put(name, "eb", "jump disp8 bytes away");
 :(before "End Single-Byte Opcodes")
 case 0xeb: {  // jump rel8
   int8_t offset = static_cast<int>(next());
-  trace(2, "run") << "jump " << NUM(offset) << end();
+  trace(90, "run") << "jump " << NUM(offset) << end();
   EIP += offset;
   break;
 }
@@ -45,7 +45,7 @@ put(name, "74", "jump disp8 bytes away if ZF is set");
 case 0x74: {  // jump rel8 if ZF
   int8_t offset = static_cast<int>(next());
   if (ZF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -84,7 +84,7 @@ put(name, "75", "jump disp8 bytes away if ZF is not set");
 case 0x75: {  // jump rel8 unless ZF
   int8_t offset = static_cast<int>(next());
   if (!ZF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -125,7 +125,7 @@ put(name, "7f", "jump disp8 bytes away if greater (ZF is unset, SF == OF)");
 case 0x7f: {  // jump rel8 if !SF and !ZF
   int8_t offset = static_cast<int>(next());
   if (!ZF && SF == OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -167,7 +167,7 @@ put(name, "7d", "jump disp8 bytes away if greater or equal (SF == OF)");
 case 0x7d: {  // jump rel8 if !SF
   int8_t offset = static_cast<int>(next());
   if (SF == OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -209,7 +209,7 @@ put(name, "7c", "jump disp8 bytes away if lesser (SF != OF)");
 case 0x7c: {  // jump rel8 if SF and !ZF
   int8_t offset = static_cast<int>(next());
   if (SF != OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -266,7 +266,7 @@ put(name, "7e", "jump disp8 bytes away if lesser or equal (ZF is set or SF != OF
 case 0x7e: {  // jump rel8 if SF or ZF
   int8_t offset = static_cast<int>(next());
   if (ZF || SF != OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
diff --git a/subx/017jump_relative.cc b/subx/017jump_relative.cc
index e13c1ac7..1cbb50a4 100644
--- a/subx/017jump_relative.cc
+++ b/subx/017jump_relative.cc
@@ -19,7 +19,7 @@ put(name, "e9", "jump disp16 bytes away");
 :(before "End Single-Byte Opcodes")
 case 0xe9: {  // jump rel8
   int16_t offset = imm16();
-  trace(2, "run") << "jump " << offset << end();
+  trace(90, "run") << "jump " << offset << end();
   EIP += offset;
   break;
 }
@@ -51,7 +51,7 @@ put(name_0f, "84", "jump disp16 bytes away if ZF is set");
 case 0x84: {  // jump rel16 if ZF
   int8_t offset = imm16();
   if (ZF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -90,7 +90,7 @@ put(name_0f, "85", "jump disp16 bytes away if ZF is not set");
 case 0x85: {  // jump rel16 unless ZF
   int8_t offset = imm16();
   if (!ZF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -131,7 +131,7 @@ put(name_0f, "8f", "jump disp16 bytes away if greater (ZF is unset, SF == OF)");
 case 0x8f: {  // jump rel16 if !SF and !ZF
   int8_t offset = imm16();
   if (!ZF && SF == OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -173,7 +173,7 @@ put(name_0f, "8d", "jump disp16 bytes away if greater or equal (SF == OF)");
 case 0x8d: {  // jump rel16 if !SF
   int8_t offset = imm16();
   if (SF == OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -215,7 +215,7 @@ put(name_0f, "8c", "jump disp16 bytes away if lesser (SF != OF)");
 case 0x8c: {  // jump rel16 if SF and !ZF
   int8_t offset = imm16();
   if (SF != OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
@@ -272,7 +272,7 @@ put(name_0f, "8e", "jump disp16 bytes away if lesser or equal (ZF is set or SF !
 case 0x8e: {  // jump rel16 if SF or ZF
   int8_t offset = imm16();
   if (ZF || SF != OF) {
-    trace(2, "run") << "jump " << NUM(offset) << end();
+    trace(90, "run") << "jump " << NUM(offset) << end();
     EIP += offset;
   }
   break;
diff --git a/subx/018functions.cc b/subx/018functions.cc
index d7401716..a557abf5 100644
--- a/subx/018functions.cc
+++ b/subx/018functions.cc
@@ -17,10 +17,10 @@ put(name, "e8", "call disp32");
 :(before "End Single-Byte Opcodes")
 case 0xe8: {  // call disp32 relative to next EIP
   int32_t offset = imm32();
-  trace(2, "run") << "call imm32 0x" << HEXWORD << offset << end();
+  trace(90, "run") << "call imm32 0x" << HEXWORD << offset << end();
   push(EIP);
   EIP += offset;
-  trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
+  trace(90, "run") << "jumping to 0x" << HEXWORD << EIP << end();
   break;
 }
 
@@ -41,11 +41,11 @@ case 0xe8: {  // call disp32 relative to next EIP
 
 :(before "End Op ff Subops")
 case 2: {  // call function pointer at r/m32
-  trace(2, "run") << "call to r/m32" << end();
+  trace(90, "run") << "call to r/m32" << end();
   int32_t* offset = effective_address(modrm);
   push(EIP);
   EIP += *offset;
-  trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
+  trace(90, "run") << "jumping to 0x" << HEXWORD << EIP << end();
   break;
 }
 
@@ -82,8 +82,8 @@ put(name, "c3", "return from most recent unfinished call");
 
 :(before "End Single-Byte Opcodes")
 case 0xc3: {  // return from a call
-  trace(2, "run") << "return" << end();
+  trace(90, "run") << "return" << end();
   EIP = pop();
-  trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
+  trace(90, "run") << "jumping to 0x" << HEXWORD << EIP << end();
   break;
 }
diff --git a/subx/019syscalls.cc b/subx/019syscalls.cc
index 33972417..4e6d5888 100644
--- a/subx/019syscalls.cc
+++ b/subx/019syscalls.cc
@@ -3,7 +3,7 @@ put(name, "cd", "software interrupt");
 
 :(before "End Single-Byte Opcodes")
 case 0xcd: {  // int imm8 (software interrupt)
-  trace(2, "run") << "syscall" << end();
+  trace(90, "run") << "syscall" << end();
   uint8_t code = next();
   if (code != 0x80) {
     raise << "Unimplemented interrupt code " << HEXBYTE << code << '\n' << end();
diff --git a/subx/026labels.cc b/subx/026labels.cc
index 97d5429d..fc52fe74 100644
--- a/subx/026labels.cc
+++ b/subx/026labels.cc
@@ -9,7 +9,7 @@
           # 1-3 bytes   3 bits              2 bits          3 bits        3 bits    3 bits    2 bits    2 bits      0/1/2/4 bytes   0/1/2/4 bytes
 loop:
             05                                                                                                                      0x0d0c0b0a/imm32  # add to EAX
-+label: label 'loop' is at address 1
++translate: label 'loop' is at address 1
 
 :(before "End One-time Setup")
 Transform.push_back(replace_labels);
@@ -53,7 +53,7 @@ void compute_addresses_for_labels(const segment& code, map<string, uint32_t> add
           raise << "'" << to_string(inst) << "': labels can only be the first word in a line.\n" << end();
         string label = curr.data.substr(0, SIZE(curr.data)-1);
         put(address, label, current_byte);
-        trace(99, "label") << "label '" << label << "' is at address " << (current_byte+code.start) << end();
+        trace(99, "translate") << "label '" << label << "' is at address " << (current_byte+code.start) << end();
         // no modifying current_byte; label definitions won't be in the final binary
       }
     }
@@ -90,6 +90,6 @@ loop2:
             05                                                                                                                      0x0d0c0b0a/imm32  # add to EAX
 loop3:
             f
-+label: label 'loop' is at address 1
-+label: label 'loop2' is at address 1
-+label: label 'loop3' is at address 6
++translate: label 'loop' is at address 1
++translate: label 'loop2' is at address 1
++translate: label 'loop3' is at address 6