http://git-wip-us.apache.org/repos/asf/trafficserver/blob/1f27b840/lib/luajit/dynasm/dasm_mips.lua ---------------------------------------------------------------------- diff --git a/lib/luajit/dynasm/dasm_mips.lua b/lib/luajit/dynasm/dasm_mips.lua new file mode 100644 index 0000000..ae0dbd7 --- /dev/null +++ b/lib/luajit/dynasm/dasm_mips.lua @@ -0,0 +1,953 @@ +------------------------------------------------------------------------------ +-- DynASM MIPS module. +-- +-- Copyright (C) 2005-2015 Mike Pall. All rights reserved. +-- See dynasm.lua for full copyright notice. +------------------------------------------------------------------------------ + +-- Module information: +local _info = { + arch = "mips", + description = "DynASM MIPS module", + version = "1.3.0", + vernum = 10300, + release = "2012-01-23", + author = "Mike Pall", + license = "MIT", +} + +-- Exported glue functions for the arch-specific module. +local _M = { _info = _info } + +-- Cache library functions. +local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs +local assert, setmetatable = assert, setmetatable +local _s = string +local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char +local match, gmatch = _s.match, _s.gmatch +local concat, sort = table.concat, table.sort +local bit = bit or require("bit") +local band, shl, sar, tohex = bit.band, bit.lshift, bit.arshift, bit.tohex + +-- Inherited tables and callbacks. +local g_opt, g_arch +local wline, werror, wfatal, wwarn + +-- Action name list. +-- CHECK: Keep this in sync with the C code! +local action_names = { + "STOP", "SECTION", "ESC", "REL_EXT", + "ALIGN", "REL_LG", "LABEL_LG", + "REL_PC", "LABEL_PC", "IMM", +} + +-- Maximum number of section buffer positions for dasm_put(). +-- CHECK: Keep this in sync with the C code! +local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. + +-- Action name -> action number. +local map_action = {} +for n,name in ipairs(action_names) do + map_action[name] = n-1 +end + +-- Action list buffer. +local actlist = {} + +-- Argument list for next dasm_put(). Start with offset 0 into action list. +local actargs = { 0 } + +-- Current number of section buffer positions for dasm_put(). +local secpos = 1 + +------------------------------------------------------------------------------ + +-- Dump action names and numbers. +local function dumpactions(out) + out:write("DynASM encoding engine action codes:\n") + for n,name in ipairs(action_names) do + local num = map_action[name] + out:write(format(" %-10s %02X %d\n", name, num, num)) + end + out:write("\n") +end + +-- Write action list buffer as a huge static C array. +local function writeactions(out, name) + local nn = #actlist + if nn == 0 then nn = 1; actlist[0] = map_action.STOP end + out:write("static const unsigned int ", name, "[", nn, "] = {\n") + for i = 1,nn-1 do + assert(out:write("0x", tohex(actlist[i]), ",\n")) + end + assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) +end + +------------------------------------------------------------------------------ + +-- Add word to action list. +local function wputxw(n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[#actlist+1] = n +end + +-- Add action to list with optional arg. Advance buffer pos, too. +local function waction(action, val, a, num) + local w = assert(map_action[action], "bad action name `"..action.."'") + wputxw(0xff000000 + w * 0x10000 + (val or 0)) + if a then actargs[#actargs+1] = a end + if a or num then secpos = secpos + (num or 1) end +end + +-- Flush action list (intervening C code or buffer pos overflow). +local function wflush(term) + if #actlist == actargs[1] then return end -- Nothing to flush. + if not term then waction("STOP") end -- Terminate action list. + wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) + actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). + secpos = 1 -- The actionlist offset occupies a buffer position, too. +end + +-- Put escaped word. +local function wputw(n) + if n >= 0xff000000 then waction("ESC") end + wputxw(n) +end + +-- Reserve position for word. +local function wpos() + local pos = #actlist+1 + actlist[pos] = "" + return pos +end + +-- Store word to reserved position. +local function wputpos(pos, n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[pos] = n +end + +------------------------------------------------------------------------------ + +-- Global label name -> global label number. With auto assignment on 1st use. +local next_global = 20 +local map_global = setmetatable({}, { __index = function(t, name) + if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end + local n = next_global + if n > 2047 then werror("too many global labels") end + next_global = n + 1 + t[name] = n + return n +end}) + +-- Dump global labels. +local function dumpglobals(out, lvl) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("Global labels:\n") + for i=20,next_global-1 do + out:write(format(" %s\n", t[i])) + end + out:write("\n") +end + +-- Write global label enum. +local function writeglobals(out, prefix) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("enum {\n") + for i=20,next_global-1 do + out:write(" ", prefix, t[i], ",\n") + end + out:write(" ", prefix, "_MAX\n};\n") +end + +-- Write global label names. +local function writeglobalnames(out, name) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("static const char *const ", name, "[] = {\n") + for i=20,next_global-1 do + out:write(" \"", t[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Extern label name -> extern label number. With auto assignment on 1st use. +local next_extern = 0 +local map_extern_ = {} +local map_extern = setmetatable({}, { __index = function(t, name) + -- No restrictions on the name for now. + local n = next_extern + if n > 2047 then werror("too many extern labels") end + next_extern = n + 1 + t[name] = n + map_extern_[n] = name + return n +end}) + +-- Dump extern labels. +local function dumpexterns(out, lvl) + out:write("Extern labels:\n") + for i=0,next_extern-1 do + out:write(format(" %s\n", map_extern_[i])) + end + out:write("\n") +end + +-- Write extern label names. +local function writeexternnames(out, name) + out:write("static const char *const ", name, "[] = {\n") + for i=0,next_extern-1 do + out:write(" \"", map_extern_[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Arch-specific maps. +local map_archdef = { sp="r29", ra="r31" } -- Ext. register name -> int. name. + +local map_type = {} -- Type name -> { ctype, reg } +local ctypenum = 0 -- Type number (for Dt... macros). + +-- Reverse defines for registers. +function _M.revdef(s) + if s == "r29" then return "sp" + elseif s == "r31" then return "ra" end + return s +end + +------------------------------------------------------------------------------ + +-- Template strings for MIPS instructions. +local map_op = { + -- First-level opcodes. + j_1 = "08000000J", + jal_1 = "0c000000J", + b_1 = "10000000B", + beqz_2 = "10000000SB", + beq_3 = "10000000STB", + bnez_2 = "14000000SB", + bne_3 = "14000000STB", + blez_2 = "18000000SB", + bgtz_2 = "1c000000SB", + addi_3 = "20000000TSI", + li_2 = "24000000TI", + addiu_3 = "24000000TSI", + slti_3 = "28000000TSI", + sltiu_3 = "2c000000TSI", + andi_3 = "30000000TSU", + lu_2 = "34000000TU", + ori_3 = "34000000TSU", + xori_3 = "38000000TSU", + lui_2 = "3c000000TU", + beqzl_2 = "50000000SB", + beql_3 = "50000000STB", + bnezl_2 = "54000000SB", + bnel_3 = "54000000STB", + blezl_2 = "58000000SB", + bgtzl_2 = "5c000000SB", + lb_2 = "80000000TO", + lh_2 = "84000000TO", + lwl_2 = "88000000TO", + lw_2 = "8c000000TO", + lbu_2 = "90000000TO", + lhu_2 = "94000000TO", + lwr_2 = "98000000TO", + sb_2 = "a0000000TO", + sh_2 = "a4000000TO", + swl_2 = "a8000000TO", + sw_2 = "ac000000TO", + swr_2 = "b8000000TO", + cache_2 = "bc000000NO", + ll_2 = "c0000000TO", + lwc1_2 = "c4000000HO", + pref_2 = "cc000000NO", + ldc1_2 = "d4000000HO", + sc_2 = "e0000000TO", + swc1_2 = "e4000000HO", + sdc1_2 = "f4000000HO", + + -- Opcode SPECIAL. + nop_0 = "00000000", + sll_3 = "00000000DTA", + movf_2 = "00000001DS", + movf_3 = "00000001DSC", + movt_2 = "00010001DS", + movt_3 = "00010001DSC", + srl_3 = "00000002DTA", + rotr_3 = "00200002DTA", + sra_3 = "00000003DTA", + sllv_3 = "00000004DTS", + srlv_3 = "00000006DTS", + rotrv_3 = "00000046DTS", + srav_3 = "00000007DTS", + jr_1 = "00000008S", + jalr_1 = "0000f809S", + jalr_2 = "00000009DS", + movz_3 = "0000000aDST", + movn_3 = "0000000bDST", + syscall_0 = "0000000c", + syscall_1 = "0000000cY", + break_0 = "0000000d", + break_1 = "0000000dY", + sync_0 = "0000000f", + mfhi_1 = "00000010D", + mthi_1 = "00000011S", + mflo_1 = "00000012D", + mtlo_1 = "00000013S", + mult_2 = "00000018ST", + multu_2 = "00000019ST", + div_2 = "0000001aST", + divu_2 = "0000001bST", + add_3 = "00000020DST", + move_2 = "00000021DS", + addu_3 = "00000021DST", + sub_3 = "00000022DST", + negu_2 = "00000023DT", + subu_3 = "00000023DST", + and_3 = "00000024DST", + or_3 = "00000025DST", + xor_3 = "00000026DST", + not_2 = "00000027DS", + nor_3 = "00000027DST", + slt_3 = "0000002aDST", + sltu_3 = "0000002bDST", + tge_2 = "00000030ST", + tge_3 = "00000030STZ", + tgeu_2 = "00000031ST", + tgeu_3 = "00000031STZ", + tlt_2 = "00000032ST", + tlt_3 = "00000032STZ", + tltu_2 = "00000033ST", + tltu_3 = "00000033STZ", + teq_2 = "00000034ST", + teq_3 = "00000034STZ", + tne_2 = "00000036ST", + tne_3 = "00000036STZ", + + -- Opcode REGIMM. + bltz_2 = "04000000SB", + bgez_2 = "04010000SB", + bltzl_2 = "04020000SB", + bgezl_2 = "04030000SB", + tgei_2 = "04080000SI", + tgeiu_2 = "04090000SI", + tlti_2 = "040a0000SI", + tltiu_2 = "040b0000SI", + teqi_2 = "040c0000SI", + tnei_2 = "040e0000SI", + bltzal_2 = "04100000SB", + bal_1 = "04110000B", + bgezal_2 = "04110000SB", + bltzall_2 = "04120000SB", + bgezall_2 = "04130000SB", + synci_1 = "041f0000O", + + -- Opcode SPECIAL2. + madd_2 = "70000000ST", + maddu_2 = "70000001ST", + mul_3 = "70000002DST", + msub_2 = "70000004ST", + msubu_2 = "70000005ST", + clz_2 = "70000020DS=", + clo_2 = "70000021DS=", + sdbbp_0 = "7000003f", + sdbbp_1 = "7000003fY", + + -- Opcode SPECIAL3. + ext_4 = "7c000000TSAM", -- Note: last arg is msbd = size-1 + ins_4 = "7c000004TSAM", -- Note: last arg is msb = pos+size-1 + wsbh_2 = "7c0000a0DT", + seb_2 = "7c000420DT", + seh_2 = "7c000620DT", + rdhwr_2 = "7c00003bTD", + + -- Opcode COP0. + mfc0_2 = "40000000TD", + mfc0_3 = "40000000TDW", + mtc0_2 = "40800000TD", + mtc0_3 = "40800000TDW", + rdpgpr_2 = "41400000DT", + di_0 = "41606000", + di_1 = "41606000T", + ei_0 = "41606020", + ei_1 = "41606020T", + wrpgpr_2 = "41c00000DT", + tlbr_0 = "42000001", + tlbwi_0 = "42000002", + tlbwr_0 = "42000006", + tlbp_0 = "42000008", + eret_0 = "42000018", + deret_0 = "4200001f", + wait_0 = "42000020", + + -- Opcode COP1. + mfc1_2 = "44000000TG", + cfc1_2 = "44400000TG", + mfhc1_2 = "44600000TG", + mtc1_2 = "44800000TG", + ctc1_2 = "44c00000TG", + mthc1_2 = "44e00000TG", + + bc1f_1 = "45000000B", + bc1f_2 = "45000000CB", + bc1t_1 = "45010000B", + bc1t_2 = "45010000CB", + bc1fl_1 = "45020000B", + bc1fl_2 = "45020000CB", + bc1tl_1 = "45030000B", + bc1tl_2 = "45030000CB", + + ["add.s_3"] = "46000000FGH", + ["sub.s_3"] = "46000001FGH", + ["mul.s_3"] = "46000002FGH", + ["div.s_3"] = "46000003FGH", + ["sqrt.s_2"] = "46000004FG", + ["abs.s_2"] = "46000005FG", + ["mov.s_2"] = "46000006FG", + ["neg.s_2"] = "46000007FG", + ["round.l.s_2"] = "46000008FG", + ["trunc.l.s_2"] = "46000009FG", + ["ceil.l.s_2"] = "4600000aFG", + ["floor.l.s_2"] = "4600000bFG", + ["round.w.s_2"] = "4600000cFG", + ["trunc.w.s_2"] = "4600000dFG", + ["ceil.w.s_2"] = "4600000eFG", + ["floor.w.s_2"] = "4600000fFG", + ["movf.s_2"] = "46000011FG", + ["movf.s_3"] = "46000011FGC", + ["movt.s_2"] = "46010011FG", + ["movt.s_3"] = "46010011FGC", + ["movz.s_3"] = "46000012FGT", + ["movn.s_3"] = "46000013FGT", + ["recip.s_2"] = "46000015FG", + ["rsqrt.s_2"] = "46000016FG", + ["cvt.d.s_2"] = "46000021FG", + ["cvt.w.s_2"] = "46000024FG", + ["cvt.l.s_2"] = "46000025FG", + ["cvt.ps.s_3"] = "46000026FGH", + ["c.f.s_2"] = "46000030GH", + ["c.f.s_3"] = "46000030VGH", + ["c.un.s_2"] = "46000031GH", + ["c.un.s_3"] = "46000031VGH", + ["c.eq.s_2"] = "46000032GH", + ["c.eq.s_3"] = "46000032VGH", + ["c.ueq.s_2"] = "46000033GH", + ["c.ueq.s_3"] = "46000033VGH", + ["c.olt.s_2"] = "46000034GH", + ["c.olt.s_3"] = "46000034VGH", + ["c.ult.s_2"] = "46000035GH", + ["c.ult.s_3"] = "46000035VGH", + ["c.ole.s_2"] = "46000036GH", + ["c.ole.s_3"] = "46000036VGH", + ["c.ule.s_2"] = "46000037GH", + ["c.ule.s_3"] = "46000037VGH", + ["c.sf.s_2"] = "46000038GH", + ["c.sf.s_3"] = "46000038VGH", + ["c.ngle.s_2"] = "46000039GH", + ["c.ngle.s_3"] = "46000039VGH", + ["c.seq.s_2"] = "4600003aGH", + ["c.seq.s_3"] = "4600003aVGH", + ["c.ngl.s_2"] = "4600003bGH", + ["c.ngl.s_3"] = "4600003bVGH", + ["c.lt.s_2"] = "4600003cGH", + ["c.lt.s_3"] = "4600003cVGH", + ["c.nge.s_2"] = "4600003dGH", + ["c.nge.s_3"] = "4600003dVGH", + ["c.le.s_2"] = "4600003eGH", + ["c.le.s_3"] = "4600003eVGH", + ["c.ngt.s_2"] = "4600003fGH", + ["c.ngt.s_3"] = "4600003fVGH", + + ["add.d_3"] = "46200000FGH", + ["sub.d_3"] = "46200001FGH", + ["mul.d_3"] = "46200002FGH", + ["div.d_3"] = "46200003FGH", + ["sqrt.d_2"] = "46200004FG", + ["abs.d_2"] = "46200005FG", + ["mov.d_2"] = "46200006FG", + ["neg.d_2"] = "46200007FG", + ["round.l.d_2"] = "46200008FG", + ["trunc.l.d_2"] = "46200009FG", + ["ceil.l.d_2"] = "4620000aFG", + ["floor.l.d_2"] = "4620000bFG", + ["round.w.d_2"] = "4620000cFG", + ["trunc.w.d_2"] = "4620000dFG", + ["ceil.w.d_2"] = "4620000eFG", + ["floor.w.d_2"] = "4620000fFG", + ["movf.d_2"] = "46200011FG", + ["movf.d_3"] = "46200011FGC", + ["movt.d_2"] = "46210011FG", + ["movt.d_3"] = "46210011FGC", + ["movz.d_3"] = "46200012FGT", + ["movn.d_3"] = "46200013FGT", + ["recip.d_2"] = "46200015FG", + ["rsqrt.d_2"] = "46200016FG", + ["cvt.s.d_2"] = "46200020FG", + ["cvt.w.d_2"] = "46200024FG", + ["cvt.l.d_2"] = "46200025FG", + ["c.f.d_2"] = "46200030GH", + ["c.f.d_3"] = "46200030VGH", + ["c.un.d_2"] = "46200031GH", + ["c.un.d_3"] = "46200031VGH", + ["c.eq.d_2"] = "46200032GH", + ["c.eq.d_3"] = "46200032VGH", + ["c.ueq.d_2"] = "46200033GH", + ["c.ueq.d_3"] = "46200033VGH", + ["c.olt.d_2"] = "46200034GH", + ["c.olt.d_3"] = "46200034VGH", + ["c.ult.d_2"] = "46200035GH", + ["c.ult.d_3"] = "46200035VGH", + ["c.ole.d_2"] = "46200036GH", + ["c.ole.d_3"] = "46200036VGH", + ["c.ule.d_2"] = "46200037GH", + ["c.ule.d_3"] = "46200037VGH", + ["c.sf.d_2"] = "46200038GH", + ["c.sf.d_3"] = "46200038VGH", + ["c.ngle.d_2"] = "46200039GH", + ["c.ngle.d_3"] = "46200039VGH", + ["c.seq.d_2"] = "4620003aGH", + ["c.seq.d_3"] = "4620003aVGH", + ["c.ngl.d_2"] = "4620003bGH", + ["c.ngl.d_3"] = "4620003bVGH", + ["c.lt.d_2"] = "4620003cGH", + ["c.lt.d_3"] = "4620003cVGH", + ["c.nge.d_2"] = "4620003dGH", + ["c.nge.d_3"] = "4620003dVGH", + ["c.le.d_2"] = "4620003eGH", + ["c.le.d_3"] = "4620003eVGH", + ["c.ngt.d_2"] = "4620003fGH", + ["c.ngt.d_3"] = "4620003fVGH", + + ["add.ps_3"] = "46c00000FGH", + ["sub.ps_3"] = "46c00001FGH", + ["mul.ps_3"] = "46c00002FGH", + ["abs.ps_2"] = "46c00005FG", + ["mov.ps_2"] = "46c00006FG", + ["neg.ps_2"] = "46c00007FG", + ["movf.ps_2"] = "46c00011FG", + ["movf.ps_3"] = "46c00011FGC", + ["movt.ps_2"] = "46c10011FG", + ["movt.ps_3"] = "46c10011FGC", + ["movz.ps_3"] = "46c00012FGT", + ["movn.ps_3"] = "46c00013FGT", + ["cvt.s.pu_2"] = "46c00020FG", + ["cvt.s.pl_2"] = "46c00028FG", + ["pll.ps_3"] = "46c0002cFGH", + ["plu.ps_3"] = "46c0002dFGH", + ["pul.ps_3"] = "46c0002eFGH", + ["puu.ps_3"] = "46c0002fFGH", + ["c.f.ps_2"] = "46c00030GH", + ["c.f.ps_3"] = "46c00030VGH", + ["c.un.ps_2"] = "46c00031GH", + ["c.un.ps_3"] = "46c00031VGH", + ["c.eq.ps_2"] = "46c00032GH", + ["c.eq.ps_3"] = "46c00032VGH", + ["c.ueq.ps_2"] = "46c00033GH", + ["c.ueq.ps_3"] = "46c00033VGH", + ["c.olt.ps_2"] = "46c00034GH", + ["c.olt.ps_3"] = "46c00034VGH", + ["c.ult.ps_2"] = "46c00035GH", + ["c.ult.ps_3"] = "46c00035VGH", + ["c.ole.ps_2"] = "46c00036GH", + ["c.ole.ps_3"] = "46c00036VGH", + ["c.ule.ps_2"] = "46c00037GH", + ["c.ule.ps_3"] = "46c00037VGH", + ["c.sf.ps_2"] = "46c00038GH", + ["c.sf.ps_3"] = "46c00038VGH", + ["c.ngle.ps_2"] = "46c00039GH", + ["c.ngle.ps_3"] = "46c00039VGH", + ["c.seq.ps_2"] = "46c0003aGH", + ["c.seq.ps_3"] = "46c0003aVGH", + ["c.ngl.ps_2"] = "46c0003bGH", + ["c.ngl.ps_3"] = "46c0003bVGH", + ["c.lt.ps_2"] = "46c0003cGH", + ["c.lt.ps_3"] = "46c0003cVGH", + ["c.nge.ps_2"] = "46c0003dGH", + ["c.nge.ps_3"] = "46c0003dVGH", + ["c.le.ps_2"] = "46c0003eGH", + ["c.le.ps_3"] = "46c0003eVGH", + ["c.ngt.ps_2"] = "46c0003fGH", + ["c.ngt.ps_3"] = "46c0003fVGH", + + ["cvt.s.w_2"] = "46800020FG", + ["cvt.d.w_2"] = "46800021FG", + + ["cvt.s.l_2"] = "46a00020FG", + ["cvt.d.l_2"] = "46a00021FG", + + -- Opcode COP1X. + lwxc1_2 = "4c000000FX", + ldxc1_2 = "4c000001FX", + luxc1_2 = "4c000005FX", + swxc1_2 = "4c000008FX", + sdxc1_2 = "4c000009FX", + suxc1_2 = "4c00000dFX", + prefx_2 = "4c00000fMX", + ["alnv.ps_4"] = "4c00001eFGHS", + ["madd.s_4"] = "4c000020FRGH", + ["madd.d_4"] = "4c000021FRGH", + ["madd.ps_4"] = "4c000026FRGH", + ["msub.s_4"] = "4c000028FRGH", + ["msub.d_4"] = "4c000029FRGH", + ["msub.ps_4"] = "4c00002eFRGH", + ["nmadd.s_4"] = "4c000030FRGH", + ["nmadd.d_4"] = "4c000031FRGH", + ["nmadd.ps_4"] = "4c000036FRGH", + ["nmsub.s_4"] = "4c000038FRGH", + ["nmsub.d_4"] = "4c000039FRGH", + ["nmsub.ps_4"] = "4c00003eFRGH", +} + +------------------------------------------------------------------------------ + +local function parse_gpr(expr) + local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$") + local tp = map_type[tname or expr] + if tp then + local reg = ovreg or tp.reg + if not reg then + werror("type `"..(tname or expr).."' needs a register override") + end + expr = reg + end + local r = match(expr, "^r([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r, tp end + end + werror("bad register name `"..expr.."'") +end + +local function parse_fpr(expr) + local r = match(expr, "^f([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r end + end + werror("bad register name `"..expr.."'") +end + +local function parse_imm(imm, bits, shift, scale, signed) + local n = tonumber(imm) + if n then + local m = sar(n, scale) + if shl(m, scale) == n then + if signed then + local s = sar(m, bits-1) + if s == 0 then return shl(m, shift) + elseif s == -1 then return shl(m + shl(1, bits), shift) end + else + if sar(m, bits) == 0 then return shl(m, shift) end + end + end + werror("out of range immediate `"..imm.."'") + elseif match(imm, "^[rf]([1-3]?[0-9])$") or + match(imm, "^([%w_]+):([rf][1-3]?[0-9])$") then + werror("expected immediate operand, got register") + else + waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) + return 0 + end +end + +local function parse_disp(disp) + local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") + if imm then + local r = shl(parse_gpr(reg), 21) + local extname = match(imm, "^extern%s+(%S+)$") + if extname then + waction("REL_EXT", map_extern[extname], nil, 1) + return r + else + return r + parse_imm(imm, 16, 0, 0, true) + end + end + local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") + if reg and tailr ~= "" then + local r, tp = parse_gpr(reg) + if tp then + waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr)) + return shl(r, 21) + end + end + werror("bad displacement `"..disp.."'") +end + +local function parse_index(idx) + local rt, rs = match(idx, "^(.*)%(([%w_:]+)%)$") + if rt then + rt = parse_gpr(rt) + rs = parse_gpr(rs) + return shl(rt, 16) + shl(rs, 21) + end + werror("bad index `"..idx.."'") +end + +local function parse_label(label, def) + local prefix = sub(label, 1, 2) + -- =>label (pc label reference) + if prefix == "=>" then + return "PC", 0, sub(label, 3) + end + -- ->name (global label reference) + if prefix == "->" then + return "LG", map_global[sub(label, 3)] + end + if def then + -- [1-9] (local label definition) + if match(label, "^[1-9]$") then + return "LG", 10+tonumber(label) + end + else + -- [<>][1-9] (local label reference) + local dir, lnum = match(label, "^([<>])([1-9])$") + if dir then -- Fwd: 1-9, Bkwd: 11-19. + return "LG", lnum + (dir == ">" and 0 or 10) + end + -- extern label (extern label reference) + local extname = match(label, "^extern%s+(%S+)$") + if extname then + return "EXT", map_extern[extname] + end + end + werror("bad label `"..label.."'") +end + +------------------------------------------------------------------------------ + +-- Handle opcodes defined with template strings. +map_op[".template__"] = function(params, template, nparams) + if not params then return sub(template, 9) end + local op = tonumber(sub(template, 1, 8), 16) + local n = 1 + + -- Limit number of section buffer positions used by a single dasm_put(). + -- A single opcode needs a maximum of 2 positions (ins/ext). + if secpos+2 > maxsecpos then wflush() end + local pos = wpos() + + -- Process each character. + for p in gmatch(sub(template, 9), ".") do + if p == "D" then + op = op + shl(parse_gpr(params[n]), 11); n = n + 1 + elseif p == "T" then + op = op + shl(parse_gpr(params[n]), 16); n = n + 1 + elseif p == "S" then + op = op + shl(parse_gpr(params[n]), 21); n = n + 1 + elseif p == "F" then + op = op + shl(parse_fpr(params[n]), 6); n = n + 1 + elseif p == "G" then + op = op + shl(parse_fpr(params[n]), 11); n = n + 1 + elseif p == "H" then + op = op + shl(parse_fpr(params[n]), 16); n = n + 1 + elseif p == "R" then + op = op + shl(parse_fpr(params[n]), 21); n = n + 1 + elseif p == "I" then + op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1 + elseif p == "U" then + op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1 + elseif p == "O" then + op = op + parse_disp(params[n]); n = n + 1 + elseif p == "X" then + op = op + parse_index(params[n]); n = n + 1 + elseif p == "B" or p == "J" then + local mode, n, s = parse_label(params[n], false) + if p == "B" then n = n + 2048 end + waction("REL_"..mode, n, s, 1) + n = n + 1 + elseif p == "A" then + op = op + parse_imm(params[n], 5, 6, 0, false); n = n + 1 + elseif p == "M" then + op = op + parse_imm(params[n], 5, 11, 0, false); n = n + 1 + elseif p == "N" then + op = op + parse_imm(params[n], 5, 16, 0, false); n = n + 1 + elseif p == "C" then + op = op + parse_imm(params[n], 3, 18, 0, false); n = n + 1 + elseif p == "V" then + op = op + parse_imm(params[n], 3, 8, 0, false); n = n + 1 + elseif p == "W" then + op = op + parse_imm(params[n], 3, 0, 0, false); n = n + 1 + elseif p == "Y" then + op = op + parse_imm(params[n], 20, 6, 0, false); n = n + 1 + elseif p == "Z" then + op = op + parse_imm(params[n], 10, 6, 0, false); n = n + 1 + elseif p == "=" then + op = op + shl(band(op, 0xf800), 5) -- Copy D to T for clz, clo. + else + assert(false) + end + end + wputpos(pos, op) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode to mark the position where the action list is to be emitted. +map_op[".actionlist_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeactions(out, name) end) +end + +-- Pseudo-opcode to mark the position where the global enum is to be emitted. +map_op[".globals_1"] = function(params) + if not params then return "prefix" end + local prefix = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobals(out, prefix) end) +end + +-- Pseudo-opcode to mark the position where the global names are to be emitted. +map_op[".globalnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobalnames(out, name) end) +end + +-- Pseudo-opcode to mark the position where the extern names are to be emitted. +map_op[".externnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeexternnames(out, name) end) +end + +------------------------------------------------------------------------------ + +-- Label pseudo-opcode (converted from trailing colon form). +map_op[".label_1"] = function(params) + if not params then return "[1-9] | ->global | =>pcexpr" end + if secpos+1 > maxsecpos then wflush() end + local mode, n, s = parse_label(params[1], true) + if mode == "EXT" then werror("bad label definition") end + waction("LABEL_"..mode, n, s, 1) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcodes for data storage. +map_op[".long_*"] = function(params) + if not params then return "imm..." end + for _,p in ipairs(params) do + local n = tonumber(p) + if not n then werror("bad immediate `"..p.."'") end + if n < 0 then n = n + 2^32 end + wputw(n) + if secpos+2 > maxsecpos then wflush() end + end +end + +-- Alignment pseudo-opcode. +map_op[".align_1"] = function(params) + if not params then return "numpow2" end + if secpos+1 > maxsecpos then wflush() end + local align = tonumber(params[1]) + if align then + local x = align + -- Must be a power of 2 in the range (2 ... 256). + for i=1,8 do + x = x / 2 + if x == 1 then + waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. + return + end + end + end + werror("bad alignment") +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode for (primitive) type definitions (map to C types). +map_op[".type_3"] = function(params, nparams) + if not params then + return nparams == 2 and "name, ctype" or "name, ctype, reg" + end + local name, ctype, reg = params[1], params[2], params[3] + if not match(name, "^[%a_][%w_]*$") then + werror("bad type name `"..name.."'") + end + local tp = map_type[name] + if tp then + werror("duplicate type `"..name.."'") + end + -- Add #type to defines. A bit unclean to put it in map_archdef. + map_archdef["#"..name] = "sizeof("..ctype..")" + -- Add new type and emit shortcut define. + local num = ctypenum + 1 + map_type[name] = { + ctype = ctype, + ctypefmt = format("Dt%X(%%s)", num), + reg = reg, + } + wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) + ctypenum = num +end +map_op[".type_2"] = map_op[".type_3"] + +-- Dump type definitions. +local function dumptypes(out, lvl) + local t = {} + for name in pairs(map_type) do t[#t+1] = name end + sort(t) + out:write("Type definitions:\n") + for _,name in ipairs(t) do + local tp = map_type[name] + local reg = tp.reg or "" + out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) + end + out:write("\n") +end + +------------------------------------------------------------------------------ + +-- Set the current section. +function _M.section(num) + waction("SECTION", num) + wflush(true) -- SECTION is a terminal action. +end + +------------------------------------------------------------------------------ + +-- Dump architecture description. +function _M.dumparch(out) + out:write(format("DynASM %s version %s, released %s\n\n", + _info.arch, _info.version, _info.release)) + dumpactions(out) +end + +-- Dump all user defined elements. +function _M.dumpdef(out, lvl) + dumptypes(out, lvl) + dumpglobals(out, lvl) + dumpexterns(out, lvl) +end + +------------------------------------------------------------------------------ + +-- Pass callbacks from/to the DynASM core. +function _M.passcb(wl, we, wf, ww) + wline, werror, wfatal, wwarn = wl, we, wf, ww + return wflush +end + +-- Setup the arch-specific module. +function _M.setup(arch, opt) + g_arch, g_opt = arch, opt +end + +-- Merge the core maps and the arch-specific maps. +function _M.mergemaps(map_coreop, map_def) + setmetatable(map_op, { __index = map_coreop }) + setmetatable(map_def, { __index = map_archdef }) + return map_op, map_def +end + +return _M + +------------------------------------------------------------------------------ +
http://git-wip-us.apache.org/repos/asf/trafficserver/blob/1f27b840/lib/luajit/dynasm/dasm_ppc.h ---------------------------------------------------------------------- diff --git a/lib/luajit/dynasm/dasm_ppc.h b/lib/luajit/dynasm/dasm_ppc.h new file mode 100644 index 0000000..7df4936 --- /dev/null +++ b/lib/luajit/dynasm/dasm_ppc.h @@ -0,0 +1,412 @@ +/* +** DynASM PPC encoding engine. +** Copyright (C) 2005-2015 Mike Pall. All rights reserved. +** Released under the MIT license. See dynasm.lua for full copyright notice. +*/ + +#include <stddef.h> +#include <stdarg.h> +#include <string.h> +#include <stdlib.h> + +#define DASM_ARCH "ppc" + +#ifndef DASM_EXTERN +#define DASM_EXTERN(a,b,c,d) 0 +#endif + +/* Action definitions. */ +enum { + DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT, + /* The following actions need a buffer position. */ + DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG, + /* The following actions also have an argument. */ + DASM_REL_PC, DASM_LABEL_PC, DASM_IMM, + DASM__MAX +}; + +/* Maximum number of section buffer positions for a single dasm_put() call. */ +#define DASM_MAXSECPOS 25 + +/* DynASM encoder status codes. Action list offset or number are or'ed in. */ +#define DASM_S_OK 0x00000000 +#define DASM_S_NOMEM 0x01000000 +#define DASM_S_PHASE 0x02000000 +#define DASM_S_MATCH_SEC 0x03000000 +#define DASM_S_RANGE_I 0x11000000 +#define DASM_S_RANGE_SEC 0x12000000 +#define DASM_S_RANGE_LG 0x13000000 +#define DASM_S_RANGE_PC 0x14000000 +#define DASM_S_RANGE_REL 0x15000000 +#define DASM_S_UNDEF_LG 0x21000000 +#define DASM_S_UNDEF_PC 0x22000000 + +/* Macros to convert positions (8 bit section + 24 bit index). */ +#define DASM_POS2IDX(pos) ((pos)&0x00ffffff) +#define DASM_POS2BIAS(pos) ((pos)&0xff000000) +#define DASM_SEC2POS(sec) ((sec)<<24) +#define DASM_POS2SEC(pos) ((pos)>>24) +#define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) + +/* Action list type. */ +typedef const unsigned int *dasm_ActList; + +/* Per-section structure. */ +typedef struct dasm_Section { + int *rbuf; /* Biased buffer pointer (negative section bias). */ + int *buf; /* True buffer pointer. */ + size_t bsize; /* Buffer size in bytes. */ + int pos; /* Biased buffer position. */ + int epos; /* End of biased buffer position - max single put. */ + int ofs; /* Byte offset into section. */ +} dasm_Section; + +/* Core structure holding the DynASM encoding state. */ +struct dasm_State { + size_t psize; /* Allocated size of this structure. */ + dasm_ActList actionlist; /* Current actionlist pointer. */ + int *lglabels; /* Local/global chain/pos ptrs. */ + size_t lgsize; + int *pclabels; /* PC label chains/pos ptrs. */ + size_t pcsize; + void **globals; /* Array of globals (bias -10). */ + dasm_Section *section; /* Pointer to active section. */ + size_t codesize; /* Total size of all code sections. */ + int maxsection; /* 0 <= sectionidx < maxsection. */ + int status; /* Status code. */ + dasm_Section sections[1]; /* All sections. Alloc-extended. */ +}; + +/* The size of the core structure depends on the max. number of sections. */ +#define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) + + +/* Initialize DynASM state. */ +void dasm_init(Dst_DECL, int maxsection) +{ + dasm_State *D; + size_t psz = 0; + int i; + Dst_REF = NULL; + DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); + D = Dst_REF; + D->psize = psz; + D->lglabels = NULL; + D->lgsize = 0; + D->pclabels = NULL; + D->pcsize = 0; + D->globals = NULL; + D->maxsection = maxsection; + for (i = 0; i < maxsection; i++) { + D->sections[i].buf = NULL; /* Need this for pass3. */ + D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i); + D->sections[i].bsize = 0; + D->sections[i].epos = 0; /* Wrong, but is recalculated after resize. */ + } +} + +/* Free DynASM state. */ +void dasm_free(Dst_DECL) +{ + dasm_State *D = Dst_REF; + int i; + for (i = 0; i < D->maxsection; i++) + if (D->sections[i].buf) + DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); + if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); + if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); + DASM_M_FREE(Dst, D, D->psize); +} + +/* Setup global label array. Must be called before dasm_setup(). */ +void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) +{ + dasm_State *D = Dst_REF; + D->globals = gl - 10; /* Negative bias to compensate for locals. */ + DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); +} + +/* Grow PC label array. Can be called after dasm_setup(), too. */ +void dasm_growpc(Dst_DECL, unsigned int maxpc) +{ + dasm_State *D = Dst_REF; + size_t osz = D->pcsize; + DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); + memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); +} + +/* Setup encoder. */ +void dasm_setup(Dst_DECL, const void *actionlist) +{ + dasm_State *D = Dst_REF; + int i; + D->actionlist = (dasm_ActList)actionlist; + D->status = DASM_S_OK; + D->section = &D->sections[0]; + memset((void *)D->lglabels, 0, D->lgsize); + if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); + for (i = 0; i < D->maxsection; i++) { + D->sections[i].pos = DASM_SEC2POS(i); + D->sections[i].ofs = 0; + } +} + + +#ifdef DASM_CHECKS +#define CK(x, st) \ + do { if (!(x)) { \ + D->status = DASM_S_##st|(p-D->actionlist-1); return; } } while (0) +#define CKPL(kind, st) \ + do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ + D->status = DASM_S_RANGE_##st|(p-D->actionlist-1); return; } } while (0) +#else +#define CK(x, st) ((void)0) +#define CKPL(kind, st) ((void)0) +#endif + +/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ +void dasm_put(Dst_DECL, int start, ...) +{ + va_list ap; + dasm_State *D = Dst_REF; + dasm_ActList p = D->actionlist + start; + dasm_Section *sec = D->section; + int pos = sec->pos, ofs = sec->ofs; + int *b; + + if (pos >= sec->epos) { + DASM_M_GROW(Dst, int, sec->buf, sec->bsize, + sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); + sec->rbuf = sec->buf - DASM_POS2BIAS(pos); + sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); + } + + b = sec->rbuf; + b[pos++] = start; + + va_start(ap, start); + while (1) { + unsigned int ins = *p++; + unsigned int action = (ins >> 16); + if (action >= DASM__MAX) { + ofs += 4; + } else { + int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0; + switch (action) { + case DASM_STOP: goto stop; + case DASM_SECTION: + n = (ins & 255); CK(n < D->maxsection, RANGE_SEC); + D->section = &D->sections[n]; goto stop; + case DASM_ESC: p++; ofs += 4; break; + case DASM_REL_EXT: break; + case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break; + case DASM_REL_LG: + n = (ins & 2047) - 10; pl = D->lglabels + n; + /* Bkwd rel or global. */ + if (n >= 0) { CK(n>=10||*pl<0, RANGE_LG); CKPL(lg, LG); goto putrel; } + pl += 10; n = *pl; + if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ + goto linkrel; + case DASM_REL_PC: + pl = D->pclabels + n; CKPL(pc, PC); + putrel: + n = *pl; + if (n < 0) { /* Label exists. Get label pos and store it. */ + b[pos] = -n; + } else { + linkrel: + b[pos] = n; /* Else link to rel chain, anchored at label. */ + *pl = pos; + } + pos++; + break; + case DASM_LABEL_LG: + pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel; + case DASM_LABEL_PC: + pl = D->pclabels + n; CKPL(pc, PC); + putlabel: + n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ + while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; + } + *pl = -pos; /* Label exists now. */ + b[pos++] = ofs; /* Store pass1 offset estimate. */ + break; + case DASM_IMM: +#ifdef DASM_CHECKS + CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I); +#endif + n >>= ((ins>>10)&31); +#ifdef DASM_CHECKS + if (ins & 0x8000) + CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I); + else + CK((n>>((ins>>5)&31)) == 0, RANGE_I); +#endif + b[pos++] = n; + break; + } + } + } +stop: + va_end(ap); + sec->pos = pos; + sec->ofs = ofs; +} +#undef CK + +/* Pass 2: Link sections, shrink aligns, fix label offsets. */ +int dasm_link(Dst_DECL, size_t *szp) +{ + dasm_State *D = Dst_REF; + int secnum; + int ofs = 0; + +#ifdef DASM_CHECKS + *szp = 0; + if (D->status != DASM_S_OK) return D->status; + { + int pc; + for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) + if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; + } +#endif + + { /* Handle globals not defined in this translation unit. */ + int idx; + for (idx = 20; idx*sizeof(int) < D->lgsize; idx++) { + int n = D->lglabels[idx]; + /* Undefined label: Collapse rel chain and replace with marker (< 0). */ + while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } + } + } + + /* Combine all code sections. No support for data sections (yet). */ + for (secnum = 0; secnum < D->maxsection; secnum++) { + dasm_Section *sec = D->sections + secnum; + int *b = sec->rbuf; + int pos = DASM_SEC2POS(secnum); + int lastpos = sec->pos; + + while (pos != lastpos) { + dasm_ActList p = D->actionlist + b[pos++]; + while (1) { + unsigned int ins = *p++; + unsigned int action = (ins >> 16); + switch (action) { + case DASM_STOP: case DASM_SECTION: goto stop; + case DASM_ESC: p++; break; + case DASM_REL_EXT: break; + case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; + case DASM_REL_LG: case DASM_REL_PC: pos++; break; + case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; + case DASM_IMM: pos++; break; + } + } + stop: (void)0; + } + ofs += sec->ofs; /* Next section starts right after current section. */ + } + + D->codesize = ofs; /* Total size of all code sections */ + *szp = ofs; + return DASM_S_OK; +} + +#ifdef DASM_CHECKS +#define CK(x, st) \ + do { if (!(x)) return DASM_S_##st|(p-D->actionlist-1); } while (0) +#else +#define CK(x, st) ((void)0) +#endif + +/* Pass 3: Encode sections. */ +int dasm_encode(Dst_DECL, void *buffer) +{ + dasm_State *D = Dst_REF; + char *base = (char *)buffer; + unsigned int *cp = (unsigned int *)buffer; + int secnum; + + /* Encode all code sections. No support for data sections (yet). */ + for (secnum = 0; secnum < D->maxsection; secnum++) { + dasm_Section *sec = D->sections + secnum; + int *b = sec->buf; + int *endb = sec->rbuf + sec->pos; + + while (b != endb) { + dasm_ActList p = D->actionlist + *b++; + while (1) { + unsigned int ins = *p++; + unsigned int action = (ins >> 16); + int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; + switch (action) { + case DASM_STOP: case DASM_SECTION: goto stop; + case DASM_ESC: *cp++ = *p++; break; + case DASM_REL_EXT: + n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins & 2047), 1) - 4; + goto patchrel; + case DASM_ALIGN: + ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0x60000000; + break; + case DASM_REL_LG: + CK(n >= 0, UNDEF_LG); + case DASM_REL_PC: + CK(n >= 0, UNDEF_PC); + n = *DASM_POS2PTR(D, n) - (int)((char *)cp - base); + patchrel: + CK((n & 3) == 0 && + (((n+4) + ((ins & 2048) ? 0x00008000 : 0x02000000)) >> + ((ins & 2048) ? 16 : 26)) == 0, RANGE_REL); + cp[-1] |= ((n+4) & ((ins & 2048) ? 0x0000fffc: 0x03fffffc)); + break; + case DASM_LABEL_LG: + ins &= 2047; if (ins >= 20) D->globals[ins-10] = (void *)(base + n); + break; + case DASM_LABEL_PC: break; + case DASM_IMM: + cp[-1] |= (n & ((1<<((ins>>5)&31))-1)) << (ins&31); + break; + default: *cp++ = ins; break; + } + } + stop: (void)0; + } + } + + if (base + D->codesize != (char *)cp) /* Check for phase errors. */ + return DASM_S_PHASE; + return DASM_S_OK; +} +#undef CK + +/* Get PC label offset. */ +int dasm_getpclabel(Dst_DECL, unsigned int pc) +{ + dasm_State *D = Dst_REF; + if (pc*sizeof(int) < D->pcsize) { + int pos = D->pclabels[pc]; + if (pos < 0) return *DASM_POS2PTR(D, -pos); + if (pos > 0) return -1; /* Undefined. */ + } + return -2; /* Unused or out of range. */ +} + +#ifdef DASM_CHECKS +/* Optional sanity checker to call between isolated encoding steps. */ +int dasm_checkstep(Dst_DECL, int secmatch) +{ + dasm_State *D = Dst_REF; + if (D->status == DASM_S_OK) { + int i; + for (i = 1; i <= 9; i++) { + if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } + D->lglabels[i] = 0; + } + } + if (D->status == DASM_S_OK && secmatch >= 0 && + D->section != &D->sections[secmatch]) + D->status = DASM_S_MATCH_SEC|(D->section-D->sections); + return D->status; +} +#endif + http://git-wip-us.apache.org/repos/asf/trafficserver/blob/1f27b840/lib/luajit/dynasm/dasm_ppc.lua ---------------------------------------------------------------------- diff --git a/lib/luajit/dynasm/dasm_ppc.lua b/lib/luajit/dynasm/dasm_ppc.lua new file mode 100644 index 0000000..91f4ff9 --- /dev/null +++ b/lib/luajit/dynasm/dasm_ppc.lua @@ -0,0 +1,1249 @@ +------------------------------------------------------------------------------ +-- DynASM PPC module. +-- +-- Copyright (C) 2005-2015 Mike Pall. All rights reserved. +-- See dynasm.lua for full copyright notice. +------------------------------------------------------------------------------ + +-- Module information: +local _info = { + arch = "ppc", + description = "DynASM PPC module", + version = "1.3.0", + vernum = 10300, + release = "2011-05-05", + author = "Mike Pall", + license = "MIT", +} + +-- Exported glue functions for the arch-specific module. +local _M = { _info = _info } + +-- Cache library functions. +local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs +local assert, setmetatable = assert, setmetatable +local _s = string +local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char +local match, gmatch = _s.match, _s.gmatch +local concat, sort = table.concat, table.sort +local bit = bit or require("bit") +local band, shl, shr, sar = bit.band, bit.lshift, bit.rshift, bit.arshift +local tohex = bit.tohex + +-- Inherited tables and callbacks. +local g_opt, g_arch +local wline, werror, wfatal, wwarn + +-- Action name list. +-- CHECK: Keep this in sync with the C code! +local action_names = { + "STOP", "SECTION", "ESC", "REL_EXT", + "ALIGN", "REL_LG", "LABEL_LG", + "REL_PC", "LABEL_PC", "IMM", +} + +-- Maximum number of section buffer positions for dasm_put(). +-- CHECK: Keep this in sync with the C code! +local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines. + +-- Action name -> action number. +local map_action = {} +for n,name in ipairs(action_names) do + map_action[name] = n-1 +end + +-- Action list buffer. +local actlist = {} + +-- Argument list for next dasm_put(). Start with offset 0 into action list. +local actargs = { 0 } + +-- Current number of section buffer positions for dasm_put(). +local secpos = 1 + +------------------------------------------------------------------------------ + +-- Dump action names and numbers. +local function dumpactions(out) + out:write("DynASM encoding engine action codes:\n") + for n,name in ipairs(action_names) do + local num = map_action[name] + out:write(format(" %-10s %02X %d\n", name, num, num)) + end + out:write("\n") +end + +-- Write action list buffer as a huge static C array. +local function writeactions(out, name) + local nn = #actlist + if nn == 0 then nn = 1; actlist[0] = map_action.STOP end + out:write("static const unsigned int ", name, "[", nn, "] = {\n") + for i = 1,nn-1 do + assert(out:write("0x", tohex(actlist[i]), ",\n")) + end + assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n")) +end + +------------------------------------------------------------------------------ + +-- Add word to action list. +local function wputxw(n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[#actlist+1] = n +end + +-- Add action to list with optional arg. Advance buffer pos, too. +local function waction(action, val, a, num) + local w = assert(map_action[action], "bad action name `"..action.."'") + wputxw(w * 0x10000 + (val or 0)) + if a then actargs[#actargs+1] = a end + if a or num then secpos = secpos + (num or 1) end +end + +-- Flush action list (intervening C code or buffer pos overflow). +local function wflush(term) + if #actlist == actargs[1] then return end -- Nothing to flush. + if not term then waction("STOP") end -- Terminate action list. + wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true) + actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put(). + secpos = 1 -- The actionlist offset occupies a buffer position, too. +end + +-- Put escaped word. +local function wputw(n) + if n <= 0xffffff then waction("ESC") end + wputxw(n) +end + +-- Reserve position for word. +local function wpos() + local pos = #actlist+1 + actlist[pos] = "" + return pos +end + +-- Store word to reserved position. +local function wputpos(pos, n) + assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range") + actlist[pos] = n +end + +------------------------------------------------------------------------------ + +-- Global label name -> global label number. With auto assignment on 1st use. +local next_global = 20 +local map_global = setmetatable({}, { __index = function(t, name) + if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end + local n = next_global + if n > 2047 then werror("too many global labels") end + next_global = n + 1 + t[name] = n + return n +end}) + +-- Dump global labels. +local function dumpglobals(out, lvl) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("Global labels:\n") + for i=20,next_global-1 do + out:write(format(" %s\n", t[i])) + end + out:write("\n") +end + +-- Write global label enum. +local function writeglobals(out, prefix) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("enum {\n") + for i=20,next_global-1 do + out:write(" ", prefix, t[i], ",\n") + end + out:write(" ", prefix, "_MAX\n};\n") +end + +-- Write global label names. +local function writeglobalnames(out, name) + local t = {} + for name, n in pairs(map_global) do t[n] = name end + out:write("static const char *const ", name, "[] = {\n") + for i=20,next_global-1 do + out:write(" \"", t[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Extern label name -> extern label number. With auto assignment on 1st use. +local next_extern = 0 +local map_extern_ = {} +local map_extern = setmetatable({}, { __index = function(t, name) + -- No restrictions on the name for now. + local n = next_extern + if n > 2047 then werror("too many extern labels") end + next_extern = n + 1 + t[name] = n + map_extern_[n] = name + return n +end}) + +-- Dump extern labels. +local function dumpexterns(out, lvl) + out:write("Extern labels:\n") + for i=0,next_extern-1 do + out:write(format(" %s\n", map_extern_[i])) + end + out:write("\n") +end + +-- Write extern label names. +local function writeexternnames(out, name) + out:write("static const char *const ", name, "[] = {\n") + for i=0,next_extern-1 do + out:write(" \"", map_extern_[i], "\",\n") + end + out:write(" (const char *)0\n};\n") +end + +------------------------------------------------------------------------------ + +-- Arch-specific maps. +local map_archdef = { sp = "r1" } -- Ext. register name -> int. name. + +local map_type = {} -- Type name -> { ctype, reg } +local ctypenum = 0 -- Type number (for Dt... macros). + +-- Reverse defines for registers. +function _M.revdef(s) + if s == "r1" then return "sp" end + return s +end + +local map_cond = { + lt = 0, gt = 1, eq = 2, so = 3, + ge = 4, le = 5, ne = 6, ns = 7, +} + +------------------------------------------------------------------------------ + +-- Template strings for PPC instructions. +local map_op = { + tdi_3 = "08000000ARI", + twi_3 = "0c000000ARI", + mulli_3 = "1c000000RRI", + subfic_3 = "20000000RRI", + cmplwi_3 = "28000000XRU", + cmplwi_2 = "28000000-RU", + cmpldi_3 = "28200000XRU", + cmpldi_2 = "28200000-RU", + cmpwi_3 = "2c000000XRI", + cmpwi_2 = "2c000000-RI", + cmpdi_3 = "2c200000XRI", + cmpdi_2 = "2c200000-RI", + addic_3 = "30000000RRI", + ["addic._3"] = "34000000RRI", + addi_3 = "38000000RR0I", + li_2 = "38000000RI", + la_2 = "38000000RD", + addis_3 = "3c000000RR0I", + lis_2 = "3c000000RI", + lus_2 = "3c000000RU", + bc_3 = "40000000AAK", + bcl_3 = "40000001AAK", + bdnz_1 = "42000000K", + bdz_1 = "42400000K", + sc_0 = "44000000", + b_1 = "48000000J", + bl_1 = "48000001J", + rlwimi_5 = "50000000RR~AAA.", + rlwinm_5 = "54000000RR~AAA.", + rlwnm_5 = "5c000000RR~RAA.", + ori_3 = "60000000RR~U", + nop_0 = "60000000", + oris_3 = "64000000RR~U", + xori_3 = "68000000RR~U", + xoris_3 = "6c000000RR~U", + ["andi._3"] = "70000000RR~U", + ["andis._3"] = "74000000RR~U", + lwz_2 = "80000000RD", + lwzu_2 = "84000000RD", + lbz_2 = "88000000RD", + lbzu_2 = "8c000000RD", + stw_2 = "90000000RD", + stwu_2 = "94000000RD", + stb_2 = "98000000RD", + stbu_2 = "9c000000RD", + lhz_2 = "a0000000RD", + lhzu_2 = "a4000000RD", + lha_2 = "a8000000RD", + lhau_2 = "ac000000RD", + sth_2 = "b0000000RD", + sthu_2 = "b4000000RD", + lmw_2 = "b8000000RD", + stmw_2 = "bc000000RD", + lfs_2 = "c0000000FD", + lfsu_2 = "c4000000FD", + lfd_2 = "c8000000FD", + lfdu_2 = "cc000000FD", + stfs_2 = "d0000000FD", + stfsu_2 = "d4000000FD", + stfd_2 = "d8000000FD", + stfdu_2 = "dc000000FD", + ld_2 = "e8000000RD", -- NYI: displacement must be divisible by 4. + ldu_2 = "e8000001RD", + lwa_2 = "e8000002RD", + std_2 = "f8000000RD", + stdu_2 = "f8000001RD", + + -- Primary opcode 19: + mcrf_2 = "4c000000XX", + isync_0 = "4c00012c", + crnor_3 = "4c000042CCC", + crnot_2 = "4c000042CC=", + crandc_3 = "4c000102CCC", + crxor_3 = "4c000182CCC", + crclr_1 = "4c000182C==", + crnand_3 = "4c0001c2CCC", + crand_3 = "4c000202CCC", + creqv_3 = "4c000242CCC", + crset_1 = "4c000242C==", + crorc_3 = "4c000342CCC", + cror_3 = "4c000382CCC", + crmove_2 = "4c000382CC=", + bclr_2 = "4c000020AA", + bclrl_2 = "4c000021AA", + bcctr_2 = "4c000420AA", + bcctrl_2 = "4c000421AA", + blr_0 = "4e800020", + blrl_0 = "4e800021", + bctr_0 = "4e800420", + bctrl_0 = "4e800421", + + -- Primary opcode 31: + cmpw_3 = "7c000000XRR", + cmpw_2 = "7c000000-RR", + cmpd_3 = "7c200000XRR", + cmpd_2 = "7c200000-RR", + tw_3 = "7c000008ARR", + subfc_3 = "7c000010RRR.", + subc_3 = "7c000010RRR~.", + mulhdu_3 = "7c000012RRR.", + addc_3 = "7c000014RRR.", + mulhwu_3 = "7c000016RRR.", + isel_4 = "7c00001eRRRC", + isellt_3 = "7c00001eRRR", + iselgt_3 = "7c00005eRRR", + iseleq_3 = "7c00009eRRR", + mfcr_1 = "7c000026R", + mfocrf_2 = "7c100026RG", + mtcrf_2 = "7c000120GR", + mtocrf_2 = "7c100120GR", + lwarx_3 = "7c000028RR0R", + ldx_3 = "7c00002aRR0R", + lwzx_3 = "7c00002eRR0R", + slw_3 = "7c000030RR~R.", + cntlzw_2 = "7c000034RR~", + sld_3 = "7c000036RR~R.", + and_3 = "7c000038RR~R.", + cmplw_3 = "7c000040XRR", + cmplw_2 = "7c000040-RR", + cmpld_3 = "7c200040XRR", + cmpld_2 = "7c200040-RR", + subf_3 = "7c000050RRR.", + sub_3 = "7c000050RRR~.", + ldux_3 = "7c00006aRR0R", + dcbst_2 = "7c00006c-RR", + lwzux_3 = "7c00006eRR0R", + cntlzd_2 = "7c000074RR~", + andc_3 = "7c000078RR~R.", + td_3 = "7c000088ARR", + mulhd_3 = "7c000092RRR.", + mulhw_3 = "7c000096RRR.", + ldarx_3 = "7c0000a8RR0R", + dcbf_2 = "7c0000ac-RR", + lbzx_3 = "7c0000aeRR0R", + neg_2 = "7c0000d0RR.", + lbzux_3 = "7c0000eeRR0R", + popcntb_2 = "7c0000f4RR~", + not_2 = "7c0000f8RR~%.", + nor_3 = "7c0000f8RR~R.", + subfe_3 = "7c000110RRR.", + sube_3 = "7c000110RRR~.", + adde_3 = "7c000114RRR.", + stdx_3 = "7c00012aRR0R", + stwcx_3 = "7c00012cRR0R.", + stwx_3 = "7c00012eRR0R", + prtyw_2 = "7c000134RR~", + stdux_3 = "7c00016aRR0R", + stwux_3 = "7c00016eRR0R", + prtyd_2 = "7c000174RR~", + subfze_2 = "7c000190RR.", + addze_2 = "7c000194RR.", + stdcx_3 = "7c0001acRR0R.", + stbx_3 = "7c0001aeRR0R", + subfme_2 = "7c0001d0RR.", + mulld_3 = "7c0001d2RRR.", + addme_2 = "7c0001d4RR.", + mullw_3 = "7c0001d6RRR.", + dcbtst_2 = "7c0001ec-RR", + stbux_3 = "7c0001eeRR0R", + add_3 = "7c000214RRR.", + dcbt_2 = "7c00022c-RR", + lhzx_3 = "7c00022eRR0R", + eqv_3 = "7c000238RR~R.", + eciwx_3 = "7c00026cRR0R", + lhzux_3 = "7c00026eRR0R", + xor_3 = "7c000278RR~R.", + mfspefscr_1 = "7c0082a6R", + mfxer_1 = "7c0102a6R", + mflr_1 = "7c0802a6R", + mfctr_1 = "7c0902a6R", + lwax_3 = "7c0002aaRR0R", + lhax_3 = "7c0002aeRR0R", + mftb_1 = "7c0c42e6R", + mftbu_1 = "7c0d42e6R", + lwaux_3 = "7c0002eaRR0R", + lhaux_3 = "7c0002eeRR0R", + sthx_3 = "7c00032eRR0R", + orc_3 = "7c000338RR~R.", + ecowx_3 = "7c00036cRR0R", + sthux_3 = "7c00036eRR0R", + or_3 = "7c000378RR~R.", + mr_2 = "7c000378RR~%.", + divdu_3 = "7c000392RRR.", + divwu_3 = "7c000396RRR.", + mtspefscr_1 = "7c0083a6R", + mtxer_1 = "7c0103a6R", + mtlr_1 = "7c0803a6R", + mtctr_1 = "7c0903a6R", + dcbi_2 = "7c0003ac-RR", + nand_3 = "7c0003b8RR~R.", + divd_3 = "7c0003d2RRR.", + divw_3 = "7c0003d6RRR.", + cmpb_3 = "7c0003f8RR~R.", + mcrxr_1 = "7c000400X", + subfco_3 = "7c000410RRR.", + subco_3 = "7c000410RRR~.", + addco_3 = "7c000414RRR.", + ldbrx_3 = "7c000428RR0R", + lswx_3 = "7c00042aRR0R", + lwbrx_3 = "7c00042cRR0R", + lfsx_3 = "7c00042eFR0R", + srw_3 = "7c000430RR~R.", + srd_3 = "7c000436RR~R.", + subfo_3 = "7c000450RRR.", + subo_3 = "7c000450RRR~.", + lfsux_3 = "7c00046eFR0R", + lswi_3 = "7c0004aaRR0A", + sync_0 = "7c0004ac", + lwsync_0 = "7c2004ac", + ptesync_0 = "7c4004ac", + lfdx_3 = "7c0004aeFR0R", + nego_2 = "7c0004d0RR.", + lfdux_3 = "7c0004eeFR0R", + subfeo_3 = "7c000510RRR.", + subeo_3 = "7c000510RRR~.", + addeo_3 = "7c000514RRR.", + stdbrx_3 = "7c000528RR0R", + stswx_3 = "7c00052aRR0R", + stwbrx_3 = "7c00052cRR0R", + stfsx_3 = "7c00052eFR0R", + stfsux_3 = "7c00056eFR0R", + subfzeo_2 = "7c000590RR.", + addzeo_2 = "7c000594RR.", + stswi_3 = "7c0005aaRR0A", + stfdx_3 = "7c0005aeFR0R", + subfmeo_2 = "7c0005d0RR.", + mulldo_3 = "7c0005d2RRR.", + addmeo_2 = "7c0005d4RR.", + mullwo_3 = "7c0005d6RRR.", + dcba_2 = "7c0005ec-RR", + stfdux_3 = "7c0005eeFR0R", + addo_3 = "7c000614RRR.", + lhbrx_3 = "7c00062cRR0R", + sraw_3 = "7c000630RR~R.", + srad_3 = "7c000634RR~R.", + srawi_3 = "7c000670RR~A.", + sradi_3 = "7c000674RR~H.", + eieio_0 = "7c0006ac", + lfiwax_3 = "7c0006aeFR0R", + sthbrx_3 = "7c00072cRR0R", + extsh_2 = "7c000734RR~.", + extsb_2 = "7c000774RR~.", + divduo_3 = "7c000792RRR.", + divwou_3 = "7c000796RRR.", + icbi_2 = "7c0007ac-RR", + stfiwx_3 = "7c0007aeFR0R", + extsw_2 = "7c0007b4RR~.", + divdo_3 = "7c0007d2RRR.", + divwo_3 = "7c0007d6RRR.", + dcbz_2 = "7c0007ec-RR", + + -- Primary opcode 30: + rldicl_4 = "78000000RR~HM.", + rldicr_4 = "78000004RR~HM.", + rldic_4 = "78000008RR~HM.", + rldimi_4 = "7800000cRR~HM.", + rldcl_4 = "78000010RR~RM.", + rldcr_4 = "78000012RR~RM.", + + -- Primary opcode 59: + fdivs_3 = "ec000024FFF.", + fsubs_3 = "ec000028FFF.", + fadds_3 = "ec00002aFFF.", + fsqrts_2 = "ec00002cF-F.", + fres_2 = "ec000030F-F.", + fmuls_3 = "ec000032FF-F.", + frsqrtes_2 = "ec000034F-F.", + fmsubs_4 = "ec000038FFFF~.", + fmadds_4 = "ec00003aFFFF~.", + fnmsubs_4 = "ec00003cFFFF~.", + fnmadds_4 = "ec00003eFFFF~.", + + -- Primary opcode 63: + fdiv_3 = "fc000024FFF.", + fsub_3 = "fc000028FFF.", + fadd_3 = "fc00002aFFF.", + fsqrt_2 = "fc00002cF-F.", + fsel_4 = "fc00002eFFFF~.", + fre_2 = "fc000030F-F.", + fmul_3 = "fc000032FF-F.", + frsqrte_2 = "fc000034F-F.", + fmsub_4 = "fc000038FFFF~.", + fmadd_4 = "fc00003aFFFF~.", + fnmsub_4 = "fc00003cFFFF~.", + fnmadd_4 = "fc00003eFFFF~.", + fcmpu_3 = "fc000000XFF", + fcpsgn_3 = "fc000010FFF.", + fcmpo_3 = "fc000040XFF", + mtfsb1_1 = "fc00004cA", + fneg_2 = "fc000050F-F.", + mcrfs_2 = "fc000080XX", + mtfsb0_1 = "fc00008cA", + fmr_2 = "fc000090F-F.", + frsp_2 = "fc000018F-F.", + fctiw_2 = "fc00001cF-F.", + fctiwz_2 = "fc00001eF-F.", + mtfsfi_2 = "fc00010cAA", -- NYI: upshift. + fnabs_2 = "fc000110F-F.", + fabs_2 = "fc000210F-F.", + frin_2 = "fc000310F-F.", + friz_2 = "fc000350F-F.", + frip_2 = "fc000390F-F.", + frim_2 = "fc0003d0F-F.", + mffs_1 = "fc00048eF.", + -- NYI: mtfsf, mtfsb0, mtfsb1. + fctid_2 = "fc00065cF-F.", + fctidz_2 = "fc00065eF-F.", + fcfid_2 = "fc00069cF-F.", + + -- Primary opcode 4, SPE APU extension: + evaddw_3 = "10000200RRR", + evaddiw_3 = "10000202RAR~", + evsubw_3 = "10000204RRR~", + evsubiw_3 = "10000206RAR~", + evabs_2 = "10000208RR", + evneg_2 = "10000209RR", + evextsb_2 = "1000020aRR", + evextsh_2 = "1000020bRR", + evrndw_2 = "1000020cRR", + evcntlzw_2 = "1000020dRR", + evcntlsw_2 = "1000020eRR", + brinc_3 = "1000020fRRR", + evand_3 = "10000211RRR", + evandc_3 = "10000212RRR", + evxor_3 = "10000216RRR", + evor_3 = "10000217RRR", + evmr_2 = "10000217RR=", + evnor_3 = "10000218RRR", + evnot_2 = "10000218RR=", + eveqv_3 = "10000219RRR", + evorc_3 = "1000021bRRR", + evnand_3 = "1000021eRRR", + evsrwu_3 = "10000220RRR", + evsrws_3 = "10000221RRR", + evsrwiu_3 = "10000222RRA", + evsrwis_3 = "10000223RRA", + evslw_3 = "10000224RRR", + evslwi_3 = "10000226RRA", + evrlw_3 = "10000228RRR", + evsplati_2 = "10000229RS", + evrlwi_3 = "1000022aRRA", + evsplatfi_2 = "1000022bRS", + evmergehi_3 = "1000022cRRR", + evmergelo_3 = "1000022dRRR", + evcmpgtu_3 = "10000230XRR", + evcmpgtu_2 = "10000230-RR", + evcmpgts_3 = "10000231XRR", + evcmpgts_2 = "10000231-RR", + evcmpltu_3 = "10000232XRR", + evcmpltu_2 = "10000232-RR", + evcmplts_3 = "10000233XRR", + evcmplts_2 = "10000233-RR", + evcmpeq_3 = "10000234XRR", + evcmpeq_2 = "10000234-RR", + evsel_4 = "10000278RRRW", + evsel_3 = "10000278RRR", + evfsadd_3 = "10000280RRR", + evfssub_3 = "10000281RRR", + evfsabs_2 = "10000284RR", + evfsnabs_2 = "10000285RR", + evfsneg_2 = "10000286RR", + evfsmul_3 = "10000288RRR", + evfsdiv_3 = "10000289RRR", + evfscmpgt_3 = "1000028cXRR", + evfscmpgt_2 = "1000028c-RR", + evfscmplt_3 = "1000028dXRR", + evfscmplt_2 = "1000028d-RR", + evfscmpeq_3 = "1000028eXRR", + evfscmpeq_2 = "1000028e-RR", + evfscfui_2 = "10000290R-R", + evfscfsi_2 = "10000291R-R", + evfscfuf_2 = "10000292R-R", + evfscfsf_2 = "10000293R-R", + evfsctui_2 = "10000294R-R", + evfsctsi_2 = "10000295R-R", + evfsctuf_2 = "10000296R-R", + evfsctsf_2 = "10000297R-R", + evfsctuiz_2 = "10000298R-R", + evfsctsiz_2 = "1000029aR-R", + evfststgt_3 = "1000029cXRR", + evfststgt_2 = "1000029c-RR", + evfststlt_3 = "1000029dXRR", + evfststlt_2 = "1000029d-RR", + evfststeq_3 = "1000029eXRR", + evfststeq_2 = "1000029e-RR", + efsadd_3 = "100002c0RRR", + efssub_3 = "100002c1RRR", + efsabs_2 = "100002c4RR", + efsnabs_2 = "100002c5RR", + efsneg_2 = "100002c6RR", + efsmul_3 = "100002c8RRR", + efsdiv_3 = "100002c9RRR", + efscmpgt_3 = "100002ccXRR", + efscmpgt_2 = "100002cc-RR", + efscmplt_3 = "100002cdXRR", + efscmplt_2 = "100002cd-RR", + efscmpeq_3 = "100002ceXRR", + efscmpeq_2 = "100002ce-RR", + efscfd_2 = "100002cfR-R", + efscfui_2 = "100002d0R-R", + efscfsi_2 = "100002d1R-R", + efscfuf_2 = "100002d2R-R", + efscfsf_2 = "100002d3R-R", + efsctui_2 = "100002d4R-R", + efsctsi_2 = "100002d5R-R", + efsctuf_2 = "100002d6R-R", + efsctsf_2 = "100002d7R-R", + efsctuiz_2 = "100002d8R-R", + efsctsiz_2 = "100002daR-R", + efststgt_3 = "100002dcXRR", + efststgt_2 = "100002dc-RR", + efststlt_3 = "100002ddXRR", + efststlt_2 = "100002dd-RR", + efststeq_3 = "100002deXRR", + efststeq_2 = "100002de-RR", + efdadd_3 = "100002e0RRR", + efdsub_3 = "100002e1RRR", + efdcfuid_2 = "100002e2R-R", + efdcfsid_2 = "100002e3R-R", + efdabs_2 = "100002e4RR", + efdnabs_2 = "100002e5RR", + efdneg_2 = "100002e6RR", + efdmul_3 = "100002e8RRR", + efddiv_3 = "100002e9RRR", + efdctuidz_2 = "100002eaR-R", + efdctsidz_2 = "100002ebR-R", + efdcmpgt_3 = "100002ecXRR", + efdcmpgt_2 = "100002ec-RR", + efdcmplt_3 = "100002edXRR", + efdcmplt_2 = "100002ed-RR", + efdcmpeq_3 = "100002eeXRR", + efdcmpeq_2 = "100002ee-RR", + efdcfs_2 = "100002efR-R", + efdcfui_2 = "100002f0R-R", + efdcfsi_2 = "100002f1R-R", + efdcfuf_2 = "100002f2R-R", + efdcfsf_2 = "100002f3R-R", + efdctui_2 = "100002f4R-R", + efdctsi_2 = "100002f5R-R", + efdctuf_2 = "100002f6R-R", + efdctsf_2 = "100002f7R-R", + efdctuiz_2 = "100002f8R-R", + efdctsiz_2 = "100002faR-R", + efdtstgt_3 = "100002fcXRR", + efdtstgt_2 = "100002fc-RR", + efdtstlt_3 = "100002fdXRR", + efdtstlt_2 = "100002fd-RR", + efdtsteq_3 = "100002feXRR", + efdtsteq_2 = "100002fe-RR", + evlddx_3 = "10000300RR0R", + evldd_2 = "10000301R8", + evldwx_3 = "10000302RR0R", + evldw_2 = "10000303R8", + evldhx_3 = "10000304RR0R", + evldh_2 = "10000305R8", + evlwhex_3 = "10000310RR0R", + evlwhe_2 = "10000311R4", + evlwhoux_3 = "10000314RR0R", + evlwhou_2 = "10000315R4", + evlwhosx_3 = "10000316RR0R", + evlwhos_2 = "10000317R4", + evstddx_3 = "10000320RR0R", + evstdd_2 = "10000321R8", + evstdwx_3 = "10000322RR0R", + evstdw_2 = "10000323R8", + evstdhx_3 = "10000324RR0R", + evstdh_2 = "10000325R8", + evstwhex_3 = "10000330RR0R", + evstwhe_2 = "10000331R4", + evstwhox_3 = "10000334RR0R", + evstwho_2 = "10000335R4", + evstwwex_3 = "10000338RR0R", + evstwwe_2 = "10000339R4", + evstwwox_3 = "1000033cRR0R", + evstwwo_2 = "1000033dR4", + evmhessf_3 = "10000403RRR", + evmhossf_3 = "10000407RRR", + evmheumi_3 = "10000408RRR", + evmhesmi_3 = "10000409RRR", + evmhesmf_3 = "1000040bRRR", + evmhoumi_3 = "1000040cRRR", + evmhosmi_3 = "1000040dRRR", + evmhosmf_3 = "1000040fRRR", + evmhessfa_3 = "10000423RRR", + evmhossfa_3 = "10000427RRR", + evmheumia_3 = "10000428RRR", + evmhesmia_3 = "10000429RRR", + evmhesmfa_3 = "1000042bRRR", + evmhoumia_3 = "1000042cRRR", + evmhosmia_3 = "1000042dRRR", + evmhosmfa_3 = "1000042fRRR", + evmwhssf_3 = "10000447RRR", + evmwlumi_3 = "10000448RRR", + evmwhumi_3 = "1000044cRRR", + evmwhsmi_3 = "1000044dRRR", + evmwhsmf_3 = "1000044fRRR", + evmwssf_3 = "10000453RRR", + evmwumi_3 = "10000458RRR", + evmwsmi_3 = "10000459RRR", + evmwsmf_3 = "1000045bRRR", + evmwhssfa_3 = "10000467RRR", + evmwlumia_3 = "10000468RRR", + evmwhumia_3 = "1000046cRRR", + evmwhsmia_3 = "1000046dRRR", + evmwhsmfa_3 = "1000046fRRR", + evmwssfa_3 = "10000473RRR", + evmwumia_3 = "10000478RRR", + evmwsmia_3 = "10000479RRR", + evmwsmfa_3 = "1000047bRRR", + evmra_2 = "100004c4RR", + evdivws_3 = "100004c6RRR", + evdivwu_3 = "100004c7RRR", + evmwssfaa_3 = "10000553RRR", + evmwumiaa_3 = "10000558RRR", + evmwsmiaa_3 = "10000559RRR", + evmwsmfaa_3 = "1000055bRRR", + evmwssfan_3 = "100005d3RRR", + evmwumian_3 = "100005d8RRR", + evmwsmian_3 = "100005d9RRR", + evmwsmfan_3 = "100005dbRRR", + evmergehilo_3 = "1000022eRRR", + evmergelohi_3 = "1000022fRRR", + evlhhesplatx_3 = "10000308RR0R", + evlhhesplat_2 = "10000309R2", + evlhhousplatx_3 = "1000030cRR0R", + evlhhousplat_2 = "1000030dR2", + evlhhossplatx_3 = "1000030eRR0R", + evlhhossplat_2 = "1000030fR2", + evlwwsplatx_3 = "10000318RR0R", + evlwwsplat_2 = "10000319R4", + evlwhsplatx_3 = "1000031cRR0R", + evlwhsplat_2 = "1000031dR4", + evaddusiaaw_2 = "100004c0RR", + evaddssiaaw_2 = "100004c1RR", + evsubfusiaaw_2 = "100004c2RR", + evsubfssiaaw_2 = "100004c3RR", + evaddumiaaw_2 = "100004c8RR", + evaddsmiaaw_2 = "100004c9RR", + evsubfumiaaw_2 = "100004caRR", + evsubfsmiaaw_2 = "100004cbRR", + evmheusiaaw_3 = "10000500RRR", + evmhessiaaw_3 = "10000501RRR", + evmhessfaaw_3 = "10000503RRR", + evmhousiaaw_3 = "10000504RRR", + evmhossiaaw_3 = "10000505RRR", + evmhossfaaw_3 = "10000507RRR", + evmheumiaaw_3 = "10000508RRR", + evmhesmiaaw_3 = "10000509RRR", + evmhesmfaaw_3 = "1000050bRRR", + evmhoumiaaw_3 = "1000050cRRR", + evmhosmiaaw_3 = "1000050dRRR", + evmhosmfaaw_3 = "1000050fRRR", + evmhegumiaa_3 = "10000528RRR", + evmhegsmiaa_3 = "10000529RRR", + evmhegsmfaa_3 = "1000052bRRR", + evmhogumiaa_3 = "1000052cRRR", + evmhogsmiaa_3 = "1000052dRRR", + evmhogsmfaa_3 = "1000052fRRR", + evmwlusiaaw_3 = "10000540RRR", + evmwlssiaaw_3 = "10000541RRR", + evmwlumiaaw_3 = "10000548RRR", + evmwlsmiaaw_3 = "10000549RRR", + evmheusianw_3 = "10000580RRR", + evmhessianw_3 = "10000581RRR", + evmhessfanw_3 = "10000583RRR", + evmhousianw_3 = "10000584RRR", + evmhossianw_3 = "10000585RRR", + evmhossfanw_3 = "10000587RRR", + evmheumianw_3 = "10000588RRR", + evmhesmianw_3 = "10000589RRR", + evmhesmfanw_3 = "1000058bRRR", + evmhoumianw_3 = "1000058cRRR", + evmhosmianw_3 = "1000058dRRR", + evmhosmfanw_3 = "1000058fRRR", + evmhegumian_3 = "100005a8RRR", + evmhegsmian_3 = "100005a9RRR", + evmhegsmfan_3 = "100005abRRR", + evmhogumian_3 = "100005acRRR", + evmhogsmian_3 = "100005adRRR", + evmhogsmfan_3 = "100005afRRR", + evmwlusianw_3 = "100005c0RRR", + evmwlssianw_3 = "100005c1RRR", + evmwlumianw_3 = "100005c8RRR", + evmwlsmianw_3 = "100005c9RRR", + + -- NYI: Book E instructions. +} + +-- Add mnemonics for "." variants. +do + local t = {} + for k,v in pairs(map_op) do + if sub(v, -1) == "." then + local v2 = sub(v, 1, 7)..char(byte(v, 8)+1)..sub(v, 9, -2) + t[sub(k, 1, -3).."."..sub(k, -2)] = v2 + end + end + for k,v in pairs(t) do + map_op[k] = v + end +end + +-- Add more branch mnemonics. +for cond,c in pairs(map_cond) do + local b1 = "b"..cond + local c1 = shl(band(c, 3), 16) + (c < 4 and 0x01000000 or 0) + -- bX[l] + map_op[b1.."_1"] = tohex(0x40800000 + c1).."K" + map_op[b1.."y_1"] = tohex(0x40a00000 + c1).."K" + map_op[b1.."l_1"] = tohex(0x40800001 + c1).."K" + map_op[b1.."_2"] = tohex(0x40800000 + c1).."-XK" + map_op[b1.."y_2"] = tohex(0x40a00000 + c1).."-XK" + map_op[b1.."l_2"] = tohex(0x40800001 + c1).."-XK" + -- bXlr[l] + map_op[b1.."lr_0"] = tohex(0x4c800020 + c1) + map_op[b1.."lrl_0"] = tohex(0x4c800021 + c1) + map_op[b1.."ctr_0"] = tohex(0x4c800420 + c1) + map_op[b1.."ctrl_0"] = tohex(0x4c800421 + c1) + -- bXctr[l] + map_op[b1.."lr_1"] = tohex(0x4c800020 + c1).."-X" + map_op[b1.."lrl_1"] = tohex(0x4c800021 + c1).."-X" + map_op[b1.."ctr_1"] = tohex(0x4c800420 + c1).."-X" + map_op[b1.."ctrl_1"] = tohex(0x4c800421 + c1).."-X" +end + +------------------------------------------------------------------------------ + +local function parse_gpr(expr) + local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$") + local tp = map_type[tname or expr] + if tp then + local reg = ovreg or tp.reg + if not reg then + werror("type `"..(tname or expr).."' needs a register override") + end + expr = reg + end + local r = match(expr, "^r([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r, tp end + end + werror("bad register name `"..expr.."'") +end + +local function parse_fpr(expr) + local r = match(expr, "^f([1-3]?[0-9])$") + if r then + r = tonumber(r) + if r <= 31 then return r end + end + werror("bad register name `"..expr.."'") +end + +local function parse_cr(expr) + local r = match(expr, "^cr([0-7])$") + if r then return tonumber(r) end + werror("bad condition register name `"..expr.."'") +end + +local function parse_cond(expr) + local r, cond = match(expr, "^4%*cr([0-7])%+(%w%w)$") + if r then + r = tonumber(r) + local c = map_cond[cond] + if c and c < 4 then return r*4+c end + end + werror("bad condition bit name `"..expr.."'") +end + +local function parse_imm(imm, bits, shift, scale, signed) + local n = tonumber(imm) + if n then + local m = sar(n, scale) + if shl(m, scale) == n then + if signed then + local s = sar(m, bits-1) + if s == 0 then return shl(m, shift) + elseif s == -1 then return shl(m + shl(1, bits), shift) end + else + if sar(m, bits) == 0 then return shl(m, shift) end + end + end + werror("out of range immediate `"..imm.."'") + elseif match(imm, "^r([1-3]?[0-9])$") or + match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then + werror("expected immediate operand, got register") + else + waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm) + return 0 + end +end + +local function parse_shiftmask(imm, isshift) + local n = tonumber(imm) + if n then + if shr(n, 6) == 0 then + local lsb = band(imm, 31) + local msb = imm - lsb + return isshift and (shl(lsb, 11)+shr(msb, 4)) or (shl(lsb, 6)+msb) + end + werror("out of range immediate `"..imm.."'") + elseif match(imm, "^r([1-3]?[0-9])$") or + match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then + werror("expected immediate operand, got register") + else + werror("NYI: parameterized 64 bit shift/mask") + end +end + +local function parse_disp(disp) + local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") + if imm then + local r = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + return shl(r, 16) + parse_imm(imm, 16, 0, 0, true) + end + local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") + if reg and tailr ~= "" then + local r, tp = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + if tp then + waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr)) + return shl(r, 16) + end + end + werror("bad displacement `"..disp.."'") +end + +local function parse_u5disp(disp, scale) + local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$") + if imm then + local r = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + return shl(r, 16) + parse_imm(imm, 5, 11, scale, false) + end + local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$") + if reg and tailr ~= "" then + local r, tp = parse_gpr(reg) + if r == 0 then werror("cannot use r0 in displacement") end + if tp then + waction("IMM", scale*1024+5*32+11, format(tp.ctypefmt, tailr)) + return shl(r, 16) + end + end + werror("bad displacement `"..disp.."'") +end + +local function parse_label(label, def) + local prefix = sub(label, 1, 2) + -- =>label (pc label reference) + if prefix == "=>" then + return "PC", 0, sub(label, 3) + end + -- ->name (global label reference) + if prefix == "->" then + return "LG", map_global[sub(label, 3)] + end + if def then + -- [1-9] (local label definition) + if match(label, "^[1-9]$") then + return "LG", 10+tonumber(label) + end + else + -- [<>][1-9] (local label reference) + local dir, lnum = match(label, "^([<>])([1-9])$") + if dir then -- Fwd: 1-9, Bkwd: 11-19. + return "LG", lnum + (dir == ">" and 0 or 10) + end + -- extern label (extern label reference) + local extname = match(label, "^extern%s+(%S+)$") + if extname then + return "EXT", map_extern[extname] + end + end + werror("bad label `"..label.."'") +end + +------------------------------------------------------------------------------ + +-- Handle opcodes defined with template strings. +map_op[".template__"] = function(params, template, nparams) + if not params then return sub(template, 9) end + local op = tonumber(sub(template, 1, 8), 16) + local n, rs = 1, 26 + + -- Limit number of section buffer positions used by a single dasm_put(). + -- A single opcode needs a maximum of 3 positions (rlwinm). + if secpos+3 > maxsecpos then wflush() end + local pos = wpos() + + -- Process each character. + for p in gmatch(sub(template, 9), ".") do + if p == "R" then + rs = rs - 5; op = op + shl(parse_gpr(params[n]), rs); n = n + 1 + elseif p == "F" then + rs = rs - 5; op = op + shl(parse_fpr(params[n]), rs); n = n + 1 + elseif p == "A" then + rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, false); n = n + 1 + elseif p == "S" then + rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, true); n = n + 1 + elseif p == "I" then + op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1 + elseif p == "U" then + op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1 + elseif p == "D" then + op = op + parse_disp(params[n]); n = n + 1 + elseif p == "2" then + op = op + parse_u5disp(params[n], 1); n = n + 1 + elseif p == "4" then + op = op + parse_u5disp(params[n], 2); n = n + 1 + elseif p == "8" then + op = op + parse_u5disp(params[n], 3); n = n + 1 + elseif p == "C" then + rs = rs - 5; op = op + shl(parse_cond(params[n]), rs); n = n + 1 + elseif p == "X" then + rs = rs - 5; op = op + shl(parse_cr(params[n]), rs+2); n = n + 1 + elseif p == "W" then + op = op + parse_cr(params[n]); n = n + 1 + elseif p == "G" then + op = op + parse_imm(params[n], 8, 12, 0, false); n = n + 1 + elseif p == "H" then + op = op + parse_shiftmask(params[n], true); n = n + 1 + elseif p == "M" then + op = op + parse_shiftmask(params[n], false); n = n + 1 + elseif p == "J" or p == "K" then + local mode, n, s = parse_label(params[n], false) + if p == "K" then n = n + 2048 end + waction("REL_"..mode, n, s, 1) + n = n + 1 + elseif p == "0" then + if band(shr(op, rs), 31) == 0 then werror("cannot use r0") end + elseif p == "=" or p == "%" then + local t = band(shr(op, p == "%" and rs+5 or rs), 31) + rs = rs - 5 + op = op + shl(t, rs) + elseif p == "~" then + local mm = shl(31, rs) + local lo = band(op, mm) + local hi = band(op, shl(mm, 5)) + op = op - lo - hi + shl(lo, 5) + shr(hi, 5) + elseif p == "-" then + rs = rs - 5 + elseif p == "." then + -- Ignored. + else + assert(false) + end + end + wputpos(pos, op) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode to mark the position where the action list is to be emitted. +map_op[".actionlist_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeactions(out, name) end) +end + +-- Pseudo-opcode to mark the position where the global enum is to be emitted. +map_op[".globals_1"] = function(params) + if not params then return "prefix" end + local prefix = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobals(out, prefix) end) +end + +-- Pseudo-opcode to mark the position where the global names are to be emitted. +map_op[".globalnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeglobalnames(out, name) end) +end + +-- Pseudo-opcode to mark the position where the extern names are to be emitted. +map_op[".externnames_1"] = function(params) + if not params then return "cvar" end + local name = params[1] -- No syntax check. You get to keep the pieces. + wline(function(out) writeexternnames(out, name) end) +end + +------------------------------------------------------------------------------ + +-- Label pseudo-opcode (converted from trailing colon form). +map_op[".label_1"] = function(params) + if not params then return "[1-9] | ->global | =>pcexpr" end + if secpos+1 > maxsecpos then wflush() end + local mode, n, s = parse_label(params[1], true) + if mode == "EXT" then werror("bad label definition") end + waction("LABEL_"..mode, n, s, 1) +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcodes for data storage. +map_op[".long_*"] = function(params) + if not params then return "imm..." end + for _,p in ipairs(params) do + local n = tonumber(p) + if not n then werror("bad immediate `"..p.."'") end + if n < 0 then n = n + 2^32 end + wputw(n) + if secpos+2 > maxsecpos then wflush() end + end +end + +-- Alignment pseudo-opcode. +map_op[".align_1"] = function(params) + if not params then return "numpow2" end + if secpos+1 > maxsecpos then wflush() end + local align = tonumber(params[1]) + if align then + local x = align + -- Must be a power of 2 in the range (2 ... 256). + for i=1,8 do + x = x / 2 + if x == 1 then + waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1. + return + end + end + end + werror("bad alignment") +end + +------------------------------------------------------------------------------ + +-- Pseudo-opcode for (primitive) type definitions (map to C types). +map_op[".type_3"] = function(params, nparams) + if not params then + return nparams == 2 and "name, ctype" or "name, ctype, reg" + end + local name, ctype, reg = params[1], params[2], params[3] + if not match(name, "^[%a_][%w_]*$") then + werror("bad type name `"..name.."'") + end + local tp = map_type[name] + if tp then + werror("duplicate type `"..name.."'") + end + -- Add #type to defines. A bit unclean to put it in map_archdef. + map_archdef["#"..name] = "sizeof("..ctype..")" + -- Add new type and emit shortcut define. + local num = ctypenum + 1 + map_type[name] = { + ctype = ctype, + ctypefmt = format("Dt%X(%%s)", num), + reg = reg, + } + wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype)) + ctypenum = num +end +map_op[".type_2"] = map_op[".type_3"] + +-- Dump type definitions. +local function dumptypes(out, lvl) + local t = {} + for name in pairs(map_type) do t[#t+1] = name end + sort(t) + out:write("Type definitions:\n") + for _,name in ipairs(t) do + local tp = map_type[name] + local reg = tp.reg or "" + out:write(format(" %-20s %-20s %s\n", name, tp.ctype, reg)) + end + out:write("\n") +end + +------------------------------------------------------------------------------ + +-- Set the current section. +function _M.section(num) + waction("SECTION", num) + wflush(true) -- SECTION is a terminal action. +end + +------------------------------------------------------------------------------ + +-- Dump architecture description. +function _M.dumparch(out) + out:write(format("DynASM %s version %s, released %s\n\n", + _info.arch, _info.version, _info.release)) + dumpactions(out) +end + +-- Dump all user defined elements. +function _M.dumpdef(out, lvl) + dumptypes(out, lvl) + dumpglobals(out, lvl) + dumpexterns(out, lvl) +end + +------------------------------------------------------------------------------ + +-- Pass callbacks from/to the DynASM core. +function _M.passcb(wl, we, wf, ww) + wline, werror, wfatal, wwarn = wl, we, wf, ww + return wflush +end + +-- Setup the arch-specific module. +function _M.setup(arch, opt) + g_arch, g_opt = arch, opt +end + +-- Merge the core maps and the arch-specific maps. +function _M.mergemaps(map_coreop, map_def) + setmetatable(map_op, { __index = map_coreop }) + setmetatable(map_def, { __index = map_archdef }) + return map_op, map_def +end + +return _M + +------------------------------------------------------------------------------ + http://git-wip-us.apache.org/repos/asf/trafficserver/blob/1f27b840/lib/luajit/dynasm/dasm_proto.h ---------------------------------------------------------------------- diff --git a/lib/luajit/dynasm/dasm_proto.h b/lib/luajit/dynasm/dasm_proto.h new file mode 100644 index 0000000..a8bc6fd --- /dev/null +++ b/lib/luajit/dynasm/dasm_proto.h @@ -0,0 +1,83 @@ +/* +** DynASM encoding engine prototypes. +** Copyright (C) 2005-2015 Mike Pall. All rights reserved. +** Released under the MIT license. See dynasm.lua for full copyright notice. +*/ + +#ifndef _DASM_PROTO_H +#define _DASM_PROTO_H + +#include <stddef.h> +#include <stdarg.h> + +#define DASM_IDENT "DynASM 1.3.0" +#define DASM_VERSION 10300 /* 1.3.0 */ + +#ifndef Dst_DECL +#define Dst_DECL dasm_State **Dst +#endif + +#ifndef Dst_REF +#define Dst_REF (*Dst) +#endif + +#ifndef DASM_FDEF +#define DASM_FDEF extern +#endif + +#ifndef DASM_M_GROW +#define DASM_M_GROW(ctx, t, p, sz, need) \ + do { \ + size_t _sz = (sz), _need = (need); \ + if (_sz < _need) { \ + if (_sz < 16) _sz = 16; \ + while (_sz < _need) _sz += _sz; \ + (p) = (t *)realloc((p), _sz); \ + if ((p) == NULL) exit(1); \ + (sz) = _sz; \ + } \ + } while(0) +#endif + +#ifndef DASM_M_FREE +#define DASM_M_FREE(ctx, p, sz) free(p) +#endif + +/* Internal DynASM encoder state. */ +typedef struct dasm_State dasm_State; + + +/* Initialize and free DynASM state. */ +DASM_FDEF void dasm_init(Dst_DECL, int maxsection); +DASM_FDEF void dasm_free(Dst_DECL); + +/* Setup global array. Must be called before dasm_setup(). */ +DASM_FDEF void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl); + +/* Grow PC label array. Can be called after dasm_setup(), too. */ +DASM_FDEF void dasm_growpc(Dst_DECL, unsigned int maxpc); + +/* Setup encoder. */ +DASM_FDEF void dasm_setup(Dst_DECL, const void *actionlist); + +/* Feed encoder with actions. Calls are generated by pre-processor. */ +DASM_FDEF void dasm_put(Dst_DECL, int start, ...); + +/* Link sections and return the resulting size. */ +DASM_FDEF int dasm_link(Dst_DECL, size_t *szp); + +/* Encode sections into buffer. */ +DASM_FDEF int dasm_encode(Dst_DECL, void *buffer); + +/* Get PC label offset. */ +DASM_FDEF int dasm_getpclabel(Dst_DECL, unsigned int pc); + +#ifdef DASM_CHECKS +/* Optional sanity checker to call between isolated encoding steps. */ +DASM_FDEF int dasm_checkstep(Dst_DECL, int secmatch); +#else +#define dasm_checkstep(a, b) 0 +#endif + + +#endif /* _DASM_PROTO_H */ http://git-wip-us.apache.org/repos/asf/trafficserver/blob/1f27b840/lib/luajit/dynasm/dasm_x64.lua ---------------------------------------------------------------------- diff --git a/lib/luajit/dynasm/dasm_x64.lua b/lib/luajit/dynasm/dasm_x64.lua new file mode 100644 index 0000000..b1b6202 --- /dev/null +++ b/lib/luajit/dynasm/dasm_x64.lua @@ -0,0 +1,12 @@ +------------------------------------------------------------------------------ +-- DynASM x64 module. +-- +-- Copyright (C) 2005-2015 Mike Pall. All rights reserved. +-- See dynasm.lua for full copyright notice. +------------------------------------------------------------------------------ +-- This module just sets 64 bit mode for the combined x86/x64 module. +-- All the interesting stuff is there. +------------------------------------------------------------------------------ + +x64 = true -- Using a global is an ugly, but effective solution. +return require("dasm_x86")
