1 files changed, 28 insertions, 17 deletions

diff --git a/src/jit/dump.lua b/src/jit/dump.lua
index 6a2632c3..0cb38b58 100644
--- a/src/jit/dump.lua
+++ b/src/jit/dump.lua
@@ -55,7 +55,7 @@
 
 -- Cache some library functions and objects.
 local jit = require("jit")
-assert(jit.version_num == 20005, "LuaJIT core/library version mismatch")
+assert(jit.version_num == 20100, "LuaJIT core/library version mismatch")
 local jutil = require("jit.util")
 local vmdef = require("jit.vmdef")
 local funcinfo, funcbc = jutil.funcinfo, jutil.funcbc
@@ -63,7 +63,7 @@ local traceinfo, traceir, tracek = jutil.traceinfo, jutil.traceir, jutil.tracek
 local tracemc, tracesnap = jutil.tracemc, jutil.tracesnap
 local traceexitstub, ircalladdr = jutil.traceexitstub, jutil.ircalladdr
 local bit = require("bit")
-local band, shr = bit.band, bit.rshift
+local band, shr, tohex = bit.band, bit.rshift, bit.tohex
 local sub, gsub, format = string.sub, string.gsub, string.format
 local byte, rep = string.byte, string.rep
 local type, tostring = type, tostring
@@ -85,12 +85,13 @@ local nexitsym = 0
 local function fillsymtab_tr(tr, nexit)
   local t = {}
   symtabmt.__index = t
-  if jit.arch == "mips" or jit.arch == "mipsel" then
+  if jit.arch:sub(1, 4) == "mips" then
     t[traceexitstub(tr, 0)] = "exit"
     return
   end
   for i=0,nexit-1 do
     local addr = traceexitstub(tr, i)
+    if addr < 0 then addr = addr + 2^32 end
     t[addr] = tostring(i)
   end
   local addr = traceexitstub(tr, nexit)
@@ -104,7 +105,10 @@ local function fillsymtab(tr, nexit)
     local ircall = vmdef.ircall
     for i=0,#ircall do
       local addr = ircalladdr(i)
-      if addr ~= 0 then t[addr] = ircall[i] end
+      if addr ~= 0 then
+        if addr < 0 then addr = addr + 2^32 end
+        t[addr] = ircall[i]
+      end
     end
   end
   if nexitsym == 1000000 then -- Per-trace exit stubs.
@@ -118,6 +122,7 @@ local function fillsymtab(tr, nexit)
         nexit = 1000000
         break
       end
+      if addr < 0 then addr = addr + 2^32 end
       t[addr] = tostring(i)
     end
     nexitsym = nexit
@@ -136,6 +141,7 @@ local function dump_mcode(tr)
   local mcode, addr, loop = tracemc(tr)
   if not mcode then return end
   if not disass then disass = require("jit.dis_"..jit.arch) end
+  if addr < 0 then addr = addr + 2^32 end
   out:write("---- TRACE ", tr, " mcode ", #mcode, "\n")
   local ctx = disass.create(mcode, addr, dumpwrite)
   ctx.hexdump = 0
@@ -270,8 +276,7 @@ local litname = {
   ["CONV  "] = setmetatable({}, { __index = function(t, mode)
     local s = irtype[band(mode, 31)]
     s = irtype[band(shr(mode, 5), 31)].."."..s
-    if band(mode, 0x400) ~= 0 then s = s.." trunc"
-    elseif band(mode, 0x800) ~= 0 then s = s.." sext" end
+    if band(mode, 0x800) ~= 0 then s = s.." sext" end
     local c = shr(mode, 14)
     if c == 2 then s = s.." index" elseif c == 3 then s = s.." check" end
     t[mode] = s
@@ -280,6 +285,8 @@ local litname = {
   ["FLOAD "] = vmdef.irfield,
   ["FREF  "] = vmdef.irfield,
   ["FPMATH"] = vmdef.irfpm,
+  ["BUFHDR"] = { [0] = "RESET", "APPEND" },
+  ["TOSTR "] = { [0] = "INT", "NUM", "CHAR" },
 }
 
 local function ctlsub(c)
@@ -303,15 +310,17 @@ local function fmtfunc(func, pc)
   end
 end
 
-local function formatk(tr, idx)
+local function formatk(tr, idx, sn)
   local k, t, slot = tracek(tr, idx)
   local tn = type(k)
   local s
   if tn == "number" then
-    if k == 2^52+2^51 then
+    if band(sn or 0, 0x30000) ~= 0 then
+      s = band(sn, 0x20000) ~= 0 and "contpc" or "ftsz"
+    elseif k == 2^52+2^51 then
       s = "bias"
     else
-      s = format("%+.14g", k)
+      s = format(0 < k and k < 0x1p-1026 and "%+a" or "%+.14g", k)
     end
   elseif tn == "string" then
     s = format(#k > 20 and '"%.20s"~' or '"%s"', gsub(k, "%c", ctlsub))
@@ -329,6 +338,8 @@ local function formatk(tr, idx)
   elseif t == 21 then -- int64_t
     s = sub(tostring(k), 1, -3)
     if sub(s, 1, 1) ~= "-" then s = "+"..s end
+  elseif sn == 0x1057fff then -- SNAP(1, SNAP_FRAME | SNAP_NORESTORE, REF_NIL)
+    return "----" -- Special case for LJ_FR2 slot 1.
   else
     s = tostring(k) -- For primitives.
   end
@@ -347,7 +358,7 @@ local function printsnap(tr, snap)
       n = n + 1
       local ref = band(sn, 0xffff) - 0x8000 -- REF_BIAS
       if ref < 0 then
-        out:write(formatk(tr, ref))
+        out:write(formatk(tr, ref, sn))
       elseif band(sn, 0x80000) ~= 0 then -- SNAP_SOFTFPNUM
         out:write(colorize(format("%04d/%04d", ref, ref+1), 14))
       else
@@ -545,7 +556,7 @@ local function dump_trace(what, tr, func, pc, otr, oex)
   if what == "start" then
     if dumpmode.H then out:write('<pre class="ljdump">\n') end
     out:write("---- TRACE ", tr, " ", what)
-    if otr then out:write(" ", otr, "/", oex) end
+    if otr then out:write(" ", otr, "/", oex == -1 and "stitch" or oex) end
     out:write(" ", fmtfunc(func, pc), "\n")
   elseif what == "stop" or what == "abort" then
     out:write("---- TRACE ", tr, " ", what)
@@ -608,7 +619,7 @@ local function dump_texit(tr, ex, ngpr, nfpr, ...)
       end
     else
       for i=1,ngpr do
-        out:write(format(" %08x", regs[i]))
+        out:write(" ", tohex(regs[i]))
         if i % 8 == 0 then out:write("\n") end
       end
     end
@@ -693,9 +704,9 @@ local function dumpon(opt, outfile)
 end
 
 -- Public module functions.
-module(...)
-
-on = dumpon
-off = dumpoff
-start = dumpon -- For -j command line option.
+return {
+  on = dumpon,
+  off = dumpoff,
+  start = dumpon -- For -j command line option.
+}