diff options
| author | Wim <wim@42.be> | 2018-08-06 21:47:05 +0200 |
|---|---|---|
| committer | Wim <wim@42.be> | 2018-08-06 21:47:05 +0200 |
| commit | 51062863a5c34d81e296cf15c61140911037cf3b (patch) | |
| tree | 9b5e044672486326c7a0ca8fb26430f37bf4d83c /vendor/github.com/google/gops/internal/obj/mips | |
| parent | 4fb4b7aa6c02a54db8ad8dd98e4d321396926c0d (diff) | |
| download | matterbridge-msglm-51062863a5c34d81e296cf15c61140911037cf3b.tar.gz matterbridge-msglm-51062863a5c34d81e296cf15c61140911037cf3b.tar.bz2 matterbridge-msglm-51062863a5c34d81e296cf15c61140911037cf3b.zip | |
Use mod vendor for vendored directory (backwards compatible)
Diffstat (limited to 'vendor/github.com/google/gops/internal/obj/mips')
6 files changed, 0 insertions, 3897 deletions
diff --git a/vendor/github.com/google/gops/internal/obj/mips/a.out.go b/vendor/github.com/google/gops/internal/obj/mips/a.out.go deleted file mode 100644 index e0e51eed..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/a.out.go +++ /dev/null @@ -1,375 +0,0 @@ -// cmd/9c/9.out.h from Vita Nuova. -// -// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. -// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) -// Portions Copyright © 1997-1999 Vita Nuova Limited -// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) -// Portions Copyright © 2004,2006 Bruce Ellis -// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) -// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others -// Portions Copyright © 2009 The Go Authors. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -package mips - -import "github.com/google/gops/internal/obj" - -//go:generate go run ../stringer.go -i $GOFILE -o anames.go -p mips - -/* - * mips 64 - */ -const ( - NSNAME = 8 - NSYM = 50 - NREG = 32 /* number of general registers */ - NFREG = 32 /* number of floating point registers */ -) - -const ( - REG_R0 = obj.RBaseMIPS64 + iota - REG_R1 - REG_R2 - REG_R3 - REG_R4 - REG_R5 - REG_R6 - REG_R7 - REG_R8 - REG_R9 - REG_R10 - REG_R11 - REG_R12 - REG_R13 - REG_R14 - REG_R15 - REG_R16 - REG_R17 - REG_R18 - REG_R19 - REG_R20 - REG_R21 - REG_R22 - REG_R23 - REG_R24 - REG_R25 - REG_R26 - REG_R27 - REG_R28 - REG_R29 - REG_R30 - REG_R31 - - REG_F0 - REG_F1 - REG_F2 - REG_F3 - REG_F4 - REG_F5 - REG_F6 - REG_F7 - REG_F8 - REG_F9 - REG_F10 - REG_F11 - REG_F12 - REG_F13 - REG_F14 - REG_F15 - REG_F16 - REG_F17 - REG_F18 - REG_F19 - REG_F20 - REG_F21 - REG_F22 - REG_F23 - REG_F24 - REG_F25 - REG_F26 - REG_F27 - REG_F28 - REG_F29 - REG_F30 - REG_F31 - - REG_HI - REG_LO - - // co-processor 0 control registers - REG_M0 - REG_M1 - REG_M2 - REG_M3 - REG_M4 - REG_M5 - REG_M6 - REG_M7 - REG_M8 - REG_M9 - REG_M10 - REG_M11 - REG_M12 - REG_M13 - REG_M14 - REG_M15 - REG_M16 - REG_M17 - REG_M18 - REG_M19 - REG_M20 - REG_M21 - REG_M22 - REG_M23 - REG_M24 - REG_M25 - REG_M26 - REG_M27 - REG_M28 - REG_M29 - REG_M30 - REG_M31 - - // FPU control registers - REG_FCR0 - REG_FCR1 - REG_FCR2 - REG_FCR3 - REG_FCR4 - REG_FCR5 - REG_FCR6 - REG_FCR7 - REG_FCR8 - REG_FCR9 - REG_FCR10 - REG_FCR11 - REG_FCR12 - REG_FCR13 - REG_FCR14 - REG_FCR15 - REG_FCR16 - REG_FCR17 - REG_FCR18 - REG_FCR19 - REG_FCR20 - REG_FCR21 - REG_FCR22 - REG_FCR23 - REG_FCR24 - REG_FCR25 - REG_FCR26 - REG_FCR27 - REG_FCR28 - REG_FCR29 - REG_FCR30 - REG_FCR31 - - REG_LAST = REG_FCR31 // the last defined register - - REG_SPECIAL = REG_M0 - - REGZERO = REG_R0 /* set to zero */ - REGSP = REG_R29 - REGSB = REG_R28 - REGLINK = REG_R31 - REGRET = REG_R1 - REGARG = -1 /* -1 disables passing the first argument in register */ - REGRT1 = REG_R1 /* reserved for runtime, duffzero and duffcopy */ - REGRT2 = REG_R2 /* reserved for runtime, duffcopy */ - REGCTXT = REG_R22 /* context for closures */ - REGG = REG_R30 /* G */ - REGTMP = REG_R23 /* used by the linker */ - FREGRET = REG_F0 -) - -const ( - BIG = 32766 -) - -const ( - /* mark flags */ - FOLL = 1 << 0 - LABEL = 1 << 1 - LEAF = 1 << 2 - SYNC = 1 << 3 - BRANCH = 1 << 4 - LOAD = 1 << 5 - FCMP = 1 << 6 - NOSCHED = 1 << 7 - - NSCHED = 20 -) - -const ( - C_NONE = iota - C_REG - C_FREG - C_FCREG - C_MREG /* special processor register */ - C_HI - C_LO - C_ZCON - C_SCON /* 16 bit signed */ - C_UCON /* 32 bit signed, low 16 bits 0 */ - C_ADD0CON - C_AND0CON - C_ADDCON /* -0x8000 <= v < 0 */ - C_ANDCON /* 0 < v <= 0xFFFF */ - C_LCON /* other 32 */ - C_DCON /* other 64 (could subdivide further) */ - C_SACON /* $n(REG) where n <= int16 */ - C_SECON - C_LACON /* $n(REG) where int16 < n <= int32 */ - C_LECON - C_DACON /* $n(REG) where int32 < n */ - C_STCON /* $tlsvar */ - C_SBRA - C_LBRA - C_SAUTO - C_LAUTO - C_SEXT - C_LEXT - C_ZOREG - C_SOREG - C_LOREG - C_GOK - C_ADDR - C_TLS - C_TEXTSIZE - - C_NCLASS /* must be the last */ -) - -const ( - AABSD = obj.ABaseMIPS64 + obj.A_ARCHSPECIFIC + iota - AABSF - AABSW - AADD - AADDD - AADDF - AADDU - AADDW - AAND - ABEQ - ABFPF - ABFPT - ABGEZ - ABGEZAL - ABGTZ - ABLEZ - ABLTZ - ABLTZAL - ABNE - ABREAK - ACMPEQD - ACMPEQF - ACMPGED - ACMPGEF - ACMPGTD - ACMPGTF - ADIV - ADIVD - ADIVF - ADIVU - ADIVW - AGOK - ALUI - AMOVB - AMOVBU - AMOVD - AMOVDF - AMOVDW - AMOVF - AMOVFD - AMOVFW - AMOVH - AMOVHU - AMOVW - AMOVWD - AMOVWF - AMOVWL - AMOVWR - AMUL - AMULD - AMULF - AMULU - AMULW - ANEGD - ANEGF - ANEGW - ANOR - AOR - AREM - AREMU - ARFE - ASGT - ASGTU - ASLL - ASRA - ASRL - ASUB - ASUBD - ASUBF - ASUBU - ASUBW - ASYSCALL - ATLBP - ATLBR - ATLBWI - ATLBWR - AWORD - AXOR - - /* 64-bit */ - AMOVV - AMOVVL - AMOVVR - ASLLV - ASRAV - ASRLV - ADIVV - ADIVVU - AREMV - AREMVU - AMULV - AMULVU - AADDV - AADDVU - ASUBV - ASUBVU - - /* 64-bit FP */ - ATRUNCFV - ATRUNCDV - ATRUNCFW - ATRUNCDW - AMOVWU - AMOVFV - AMOVDV - AMOVVF - AMOVVD - - ALAST - - // aliases - AJMP = obj.AJMP - AJAL = obj.ACALL - ARET = obj.ARET -) diff --git a/vendor/github.com/google/gops/internal/obj/mips/anames.go b/vendor/github.com/google/gops/internal/obj/mips/anames.go deleted file mode 100644 index 06a366fc..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/anames.go +++ /dev/null @@ -1,113 +0,0 @@ -// Generated by stringer -i a.out.go -o anames.go -p mips -// Do not edit. - -package mips - -import "github.com/google/gops/internal/obj" - -var Anames = []string{ - obj.A_ARCHSPECIFIC: "ABSD", - "ABSF", - "ABSW", - "ADD", - "ADDD", - "ADDF", - "ADDU", - "ADDW", - "AND", - "BEQ", - "BFPF", - "BFPT", - "BGEZ", - "BGEZAL", - "BGTZ", - "BLEZ", - "BLTZ", - "BLTZAL", - "BNE", - "BREAK", - "CMPEQD", - "CMPEQF", - "CMPGED", - "CMPGEF", - "CMPGTD", - "CMPGTF", - "DIV", - "DIVD", - "DIVF", - "DIVU", - "DIVW", - "GOK", - "LUI", - "MOVB", - "MOVBU", - "MOVD", - "MOVDF", - "MOVDW", - "MOVF", - "MOVFD", - "MOVFW", - "MOVH", - "MOVHU", - "MOVW", - "MOVWD", - "MOVWF", - "MOVWL", - "MOVWR", - "MUL", - "MULD", - "MULF", - "MULU", - "MULW", - "NEGD", - "NEGF", - "NEGW", - "NOR", - "OR", - "REM", - "REMU", - "RFE", - "SGT", - "SGTU", - "SLL", - "SRA", - "SRL", - "SUB", - "SUBD", - "SUBF", - "SUBU", - "SUBW", - "SYSCALL", - "TLBP", - "TLBR", - "TLBWI", - "TLBWR", - "WORD", - "XOR", - "MOVV", - "MOVVL", - "MOVVR", - "SLLV", - "SRAV", - "SRLV", - "DIVV", - "DIVVU", - "REMV", - "REMVU", - "MULV", - "MULVU", - "ADDV", - "ADDVU", - "SUBV", - "SUBVU", - "TRUNCFV", - "TRUNCDV", - "TRUNCFW", - "TRUNCDW", - "MOVWU", - "MOVFV", - "MOVDV", - "MOVVF", - "MOVVD", - "LAST", -} diff --git a/vendor/github.com/google/gops/internal/obj/mips/anames0.go b/vendor/github.com/google/gops/internal/obj/mips/anames0.go deleted file mode 100644 index c56d34ea..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/anames0.go +++ /dev/null @@ -1,44 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package mips - -var cnames0 = []string{ - "NONE", - "REG", - "FREG", - "FCREG", - "MREG", - "HI", - "LO", - "ZCON", - "SCON", - "UCON", - "ADD0CON", - "AND0CON", - "ADDCON", - "ANDCON", - "LCON", - "DCON", - "SACON", - "SECON", - "LACON", - "LECON", - "DACON", - "STCON", - "SBRA", - "LBRA", - "SAUTO", - "LAUTO", - "SEXT", - "LEXT", - "ZOREG", - "SOREG", - "LOREG", - "GOK", - "ADDR", - "TLS", - "TEXTSIZE", - "NCLASS", -} diff --git a/vendor/github.com/google/gops/internal/obj/mips/asm0.go b/vendor/github.com/google/gops/internal/obj/mips/asm0.go deleted file mode 100644 index ef4ceddc..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/asm0.go +++ /dev/null @@ -1,1783 +0,0 @@ -// cmd/9l/optab.c, cmd/9l/asmout.c from Vita Nuova. -// -// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. -// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) -// Portions Copyright © 1997-1999 Vita Nuova Limited -// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) -// Portions Copyright © 2004,2006 Bruce Ellis -// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) -// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others -// Portions Copyright © 2009 The Go Authors. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -package mips - -import ( - "fmt" - "log" - "sort" - - "github.com/google/gops/internal/obj" -) - -// Instruction layout. - -const ( - funcAlign = 8 -) - -const ( - r0iszero = 1 -) - -type Optab struct { - as obj.As - a1 uint8 - a2 uint8 - a3 uint8 - type_ int8 - size int8 - param int16 -} - -var optab = []Optab{ - {obj.ATEXT, C_LEXT, C_NONE, C_TEXTSIZE, 0, 0, 0}, - {obj.ATEXT, C_ADDR, C_NONE, C_TEXTSIZE, 0, 0, 0}, - - {AMOVW, C_REG, C_NONE, C_REG, 1, 4, 0}, - {AMOVV, C_REG, C_NONE, C_REG, 1, 4, 0}, - {AMOVB, C_REG, C_NONE, C_REG, 12, 8, 0}, - {AMOVBU, C_REG, C_NONE, C_REG, 13, 4, 0}, - {AMOVWU, C_REG, C_NONE, C_REG, 14, 8, 0}, - - {ASUB, C_REG, C_REG, C_REG, 2, 4, 0}, - {AADD, C_REG, C_REG, C_REG, 2, 4, 0}, - {AAND, C_REG, C_REG, C_REG, 2, 4, 0}, - {ASUB, C_REG, C_NONE, C_REG, 2, 4, 0}, - {AADD, C_REG, C_NONE, C_REG, 2, 4, 0}, - {AAND, C_REG, C_NONE, C_REG, 2, 4, 0}, - - {ASLL, C_REG, C_NONE, C_REG, 9, 4, 0}, - {ASLL, C_REG, C_REG, C_REG, 9, 4, 0}, - - {AADDF, C_FREG, C_NONE, C_FREG, 32, 4, 0}, - {AADDF, C_FREG, C_REG, C_FREG, 32, 4, 0}, - {ACMPEQF, C_FREG, C_REG, C_NONE, 32, 4, 0}, - {AABSF, C_FREG, C_NONE, C_FREG, 33, 4, 0}, - {AMOVF, C_FREG, C_NONE, C_FREG, 33, 4, 0}, - {AMOVD, C_FREG, C_NONE, C_FREG, 33, 4, 0}, - - {AMOVW, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVWU, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVV, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVB, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVBU, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVWL, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, - {AMOVW, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVWU, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVV, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVB, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVBU, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVWL, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {AMOVW, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {AMOVWU, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {AMOVV, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {AMOVB, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {AMOVBU, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {AMOVWL, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - - {AMOVW, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVWU, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVV, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVB, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVBU, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVWL, C_SEXT, C_NONE, C_REG, 8, 4, REGSB}, - {AMOVW, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVWU, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVV, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVB, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVBU, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVWL, C_SAUTO, C_NONE, C_REG, 8, 4, REGSP}, - {AMOVW, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - {AMOVWU, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - {AMOVV, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - {AMOVB, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - {AMOVBU, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - {AMOVWL, C_SOREG, C_NONE, C_REG, 8, 4, REGZERO}, - - {AMOVW, C_REG, C_NONE, C_LEXT, 35, 12, REGSB}, - {AMOVWU, C_REG, C_NONE, C_LEXT, 35, 12, REGSB}, - {AMOVV, C_REG, C_NONE, C_LEXT, 35, 12, REGSB}, - {AMOVB, C_REG, C_NONE, C_LEXT, 35, 12, REGSB}, - {AMOVBU, C_REG, C_NONE, C_LEXT, 35, 12, REGSB}, - {AMOVW, C_REG, C_NONE, C_LAUTO, 35, 12, REGSP}, - {AMOVWU, C_REG, C_NONE, C_LAUTO, 35, 12, REGSP}, - {AMOVV, C_REG, C_NONE, C_LAUTO, 35, 12, REGSP}, - {AMOVB, C_REG, C_NONE, C_LAUTO, 35, 12, REGSP}, - {AMOVBU, C_REG, C_NONE, C_LAUTO, 35, 12, REGSP}, - {AMOVW, C_REG, C_NONE, C_LOREG, 35, 12, REGZERO}, - {AMOVWU, C_REG, C_NONE, C_LOREG, 35, 12, REGZERO}, - {AMOVV, C_REG, C_NONE, C_LOREG, 35, 12, REGZERO}, - {AMOVB, C_REG, C_NONE, C_LOREG, 35, 12, REGZERO}, - {AMOVBU, C_REG, C_NONE, C_LOREG, 35, 12, REGZERO}, - {AMOVW, C_REG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVWU, C_REG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVV, C_REG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVB, C_REG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVBU, C_REG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVW, C_REG, C_NONE, C_TLS, 53, 8, 0}, - {AMOVWU, C_REG, C_NONE, C_TLS, 53, 8, 0}, - {AMOVV, C_REG, C_NONE, C_TLS, 53, 8, 0}, - {AMOVB, C_REG, C_NONE, C_TLS, 53, 8, 0}, - {AMOVBU, C_REG, C_NONE, C_TLS, 53, 8, 0}, - - {AMOVW, C_LEXT, C_NONE, C_REG, 36, 12, REGSB}, - {AMOVWU, C_LEXT, C_NONE, C_REG, 36, 12, REGSB}, - {AMOVV, C_LEXT, C_NONE, C_REG, 36, 12, REGSB}, - {AMOVB, C_LEXT, C_NONE, C_REG, 36, 12, REGSB}, - {AMOVBU, C_LEXT, C_NONE, C_REG, 36, 12, REGSB}, - {AMOVW, C_LAUTO, C_NONE, C_REG, 36, 12, REGSP}, - {AMOVWU, C_LAUTO, C_NONE, C_REG, 36, 12, REGSP}, - {AMOVV, C_LAUTO, C_NONE, C_REG, 36, 12, REGSP}, - {AMOVB, C_LAUTO, C_NONE, C_REG, 36, 12, REGSP}, - {AMOVBU, C_LAUTO, C_NONE, C_REG, 36, 12, REGSP}, - {AMOVW, C_LOREG, C_NONE, C_REG, 36, 12, REGZERO}, - {AMOVWU, C_LOREG, C_NONE, C_REG, 36, 12, REGZERO}, - {AMOVV, C_LOREG, C_NONE, C_REG, 36, 12, REGZERO}, - {AMOVB, C_LOREG, C_NONE, C_REG, 36, 12, REGZERO}, - {AMOVBU, C_LOREG, C_NONE, C_REG, 36, 12, REGZERO}, - {AMOVW, C_ADDR, C_NONE, C_REG, 51, 12, 0}, - {AMOVWU, C_ADDR, C_NONE, C_REG, 51, 12, 0}, - {AMOVV, C_ADDR, C_NONE, C_REG, 51, 12, 0}, - {AMOVB, C_ADDR, C_NONE, C_REG, 51, 12, 0}, - {AMOVBU, C_ADDR, C_NONE, C_REG, 51, 12, 0}, - {AMOVW, C_TLS, C_NONE, C_REG, 54, 8, 0}, - {AMOVWU, C_TLS, C_NONE, C_REG, 54, 8, 0}, - {AMOVV, C_TLS, C_NONE, C_REG, 54, 8, 0}, - {AMOVB, C_TLS, C_NONE, C_REG, 54, 8, 0}, - {AMOVBU, C_TLS, C_NONE, C_REG, 54, 8, 0}, - - {AMOVW, C_SECON, C_NONE, C_REG, 3, 4, REGSB}, - {AMOVV, C_SECON, C_NONE, C_REG, 3, 4, REGSB}, - {AMOVW, C_SACON, C_NONE, C_REG, 3, 4, REGSP}, - {AMOVV, C_SACON, C_NONE, C_REG, 3, 4, REGSP}, - {AMOVW, C_LECON, C_NONE, C_REG, 52, 12, REGSB}, - {AMOVV, C_LECON, C_NONE, C_REG, 52, 12, REGSB}, - {AMOVW, C_LACON, C_NONE, C_REG, 26, 12, REGSP}, - {AMOVV, C_LACON, C_NONE, C_REG, 26, 12, REGSP}, - {AMOVW, C_ADDCON, C_NONE, C_REG, 3, 4, REGZERO}, - {AMOVV, C_ADDCON, C_NONE, C_REG, 3, 4, REGZERO}, - {AMOVW, C_ANDCON, C_NONE, C_REG, 3, 4, REGZERO}, - {AMOVV, C_ANDCON, C_NONE, C_REG, 3, 4, REGZERO}, - {AMOVW, C_STCON, C_NONE, C_REG, 55, 8, 0}, - {AMOVV, C_STCON, C_NONE, C_REG, 55, 8, 0}, - - {AMOVW, C_UCON, C_NONE, C_REG, 24, 4, 0}, - {AMOVV, C_UCON, C_NONE, C_REG, 24, 4, 0}, - {AMOVW, C_LCON, C_NONE, C_REG, 19, 8, 0}, - {AMOVV, C_LCON, C_NONE, C_REG, 19, 8, 0}, - - {AMOVW, C_HI, C_NONE, C_REG, 20, 4, 0}, - {AMOVV, C_HI, C_NONE, C_REG, 20, 4, 0}, - {AMOVW, C_LO, C_NONE, C_REG, 20, 4, 0}, - {AMOVV, C_LO, C_NONE, C_REG, 20, 4, 0}, - {AMOVW, C_REG, C_NONE, C_HI, 21, 4, 0}, - {AMOVV, C_REG, C_NONE, C_HI, 21, 4, 0}, - {AMOVW, C_REG, C_NONE, C_LO, 21, 4, 0}, - {AMOVV, C_REG, C_NONE, C_LO, 21, 4, 0}, - - {AMUL, C_REG, C_REG, C_NONE, 22, 4, 0}, - - {AADD, C_ADD0CON, C_REG, C_REG, 4, 4, 0}, - {AADD, C_ADD0CON, C_NONE, C_REG, 4, 4, 0}, - {AADD, C_ANDCON, C_REG, C_REG, 10, 8, 0}, - {AADD, C_ANDCON, C_NONE, C_REG, 10, 8, 0}, - - {AAND, C_AND0CON, C_REG, C_REG, 4, 4, 0}, - {AAND, C_AND0CON, C_NONE, C_REG, 4, 4, 0}, - {AAND, C_ADDCON, C_REG, C_REG, 10, 8, 0}, - {AAND, C_ADDCON, C_NONE, C_REG, 10, 8, 0}, - - {AADD, C_UCON, C_REG, C_REG, 25, 8, 0}, - {AADD, C_UCON, C_NONE, C_REG, 25, 8, 0}, - {AAND, C_UCON, C_REG, C_REG, 25, 8, 0}, - {AAND, C_UCON, C_NONE, C_REG, 25, 8, 0}, - - {AADD, C_LCON, C_NONE, C_REG, 23, 12, 0}, - {AAND, C_LCON, C_NONE, C_REG, 23, 12, 0}, - {AADD, C_LCON, C_REG, C_REG, 23, 12, 0}, - {AAND, C_LCON, C_REG, C_REG, 23, 12, 0}, - - {ASLL, C_SCON, C_REG, C_REG, 16, 4, 0}, - {ASLL, C_SCON, C_NONE, C_REG, 16, 4, 0}, - - {ASYSCALL, C_NONE, C_NONE, C_NONE, 5, 4, 0}, - - {ABEQ, C_REG, C_REG, C_SBRA, 6, 4, 0}, - {ABEQ, C_REG, C_NONE, C_SBRA, 6, 4, 0}, - {ABLEZ, C_REG, C_NONE, C_SBRA, 6, 4, 0}, - {ABFPT, C_NONE, C_NONE, C_SBRA, 6, 8, 0}, - - {AJMP, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, - {AJAL, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, - - {AJMP, C_NONE, C_NONE, C_ZOREG, 18, 4, REGZERO}, - {AJAL, C_NONE, C_NONE, C_ZOREG, 18, 4, REGLINK}, - - {AMOVW, C_SEXT, C_NONE, C_FREG, 27, 4, REGSB}, - {AMOVF, C_SEXT, C_NONE, C_FREG, 27, 4, REGSB}, - {AMOVD, C_SEXT, C_NONE, C_FREG, 27, 4, REGSB}, - {AMOVW, C_SAUTO, C_NONE, C_FREG, 27, 4, REGSP}, - {AMOVF, C_SAUTO, C_NONE, C_FREG, 27, 4, REGSP}, - {AMOVD, C_SAUTO, C_NONE, C_FREG, 27, 4, REGSP}, - {AMOVW, C_SOREG, C_NONE, C_FREG, 27, 4, REGZERO}, - {AMOVF, C_SOREG, C_NONE, C_FREG, 27, 4, REGZERO}, - {AMOVD, C_SOREG, C_NONE, C_FREG, 27, 4, REGZERO}, - - {AMOVW, C_LEXT, C_NONE, C_FREG, 27, 12, REGSB}, - {AMOVF, C_LEXT, C_NONE, C_FREG, 27, 12, REGSB}, - {AMOVD, C_LEXT, C_NONE, C_FREG, 27, 12, REGSB}, - {AMOVW, C_LAUTO, C_NONE, C_FREG, 27, 12, REGSP}, - {AMOVF, C_LAUTO, C_NONE, C_FREG, 27, 12, REGSP}, - {AMOVD, C_LAUTO, C_NONE, C_FREG, 27, 12, REGSP}, - {AMOVW, C_LOREG, C_NONE, C_FREG, 27, 12, REGZERO}, - {AMOVF, C_LOREG, C_NONE, C_FREG, 27, 12, REGZERO}, - {AMOVD, C_LOREG, C_NONE, C_FREG, 27, 12, REGZERO}, - {AMOVF, C_ADDR, C_NONE, C_FREG, 51, 12, 0}, - {AMOVD, C_ADDR, C_NONE, C_FREG, 51, 12, 0}, - - {AMOVW, C_FREG, C_NONE, C_SEXT, 28, 4, REGSB}, - {AMOVF, C_FREG, C_NONE, C_SEXT, 28, 4, REGSB}, - {AMOVD, C_FREG, C_NONE, C_SEXT, 28, 4, REGSB}, - {AMOVW, C_FREG, C_NONE, C_SAUTO, 28, 4, REGSP}, - {AMOVF, C_FREG, C_NONE, C_SAUTO, 28, 4, REGSP}, - {AMOVD, C_FREG, C_NONE, C_SAUTO, 28, 4, REGSP}, - {AMOVW, C_FREG, C_NONE, C_SOREG, 28, 4, REGZERO}, - {AMOVF, C_FREG, C_NONE, C_SOREG, 28, 4, REGZERO}, - {AMOVD, C_FREG, C_NONE, C_SOREG, 28, 4, REGZERO}, - - {AMOVW, C_FREG, C_NONE, C_LEXT, 28, 12, REGSB}, - {AMOVF, C_FREG, C_NONE, C_LEXT, 28, 12, REGSB}, - {AMOVD, C_FREG, C_NONE, C_LEXT, 28, 12, REGSB}, - {AMOVW, C_FREG, C_NONE, C_LAUTO, 28, 12, REGSP}, - {AMOVF, C_FREG, C_NONE, C_LAUTO, 28, 12, REGSP}, - {AMOVD, C_FREG, C_NONE, C_LAUTO, 28, 12, REGSP}, - {AMOVW, C_FREG, C_NONE, C_LOREG, 28, 12, REGZERO}, - {AMOVF, C_FREG, C_NONE, C_LOREG, 28, 12, REGZERO}, - {AMOVD, C_FREG, C_NONE, C_LOREG, 28, 12, REGZERO}, - {AMOVF, C_FREG, C_NONE, C_ADDR, 50, 12, 0}, - {AMOVD, C_FREG, C_NONE, C_ADDR, 50, 12, 0}, - - {AMOVW, C_REG, C_NONE, C_FREG, 30, 4, 0}, - {AMOVW, C_FREG, C_NONE, C_REG, 31, 4, 0}, - {AMOVV, C_REG, C_NONE, C_FREG, 47, 4, 0}, - {AMOVV, C_FREG, C_NONE, C_REG, 48, 4, 0}, - - {AMOVW, C_ADDCON, C_NONE, C_FREG, 34, 8, 0}, - {AMOVW, C_ANDCON, C_NONE, C_FREG, 34, 8, 0}, - - {AMOVW, C_REG, C_NONE, C_MREG, 37, 4, 0}, - {AMOVV, C_REG, C_NONE, C_MREG, 37, 4, 0}, - {AMOVW, C_MREG, C_NONE, C_REG, 38, 4, 0}, - {AMOVV, C_MREG, C_NONE, C_REG, 38, 4, 0}, - - {AWORD, C_LCON, C_NONE, C_NONE, 40, 4, 0}, - - {AMOVW, C_REG, C_NONE, C_FCREG, 41, 8, 0}, - {AMOVV, C_REG, C_NONE, C_FCREG, 41, 8, 0}, - {AMOVW, C_FCREG, C_NONE, C_REG, 42, 4, 0}, - {AMOVV, C_FCREG, C_NONE, C_REG, 42, 4, 0}, - - {ABREAK, C_REG, C_NONE, C_SEXT, 7, 4, REGSB}, /* really CACHE instruction */ - {ABREAK, C_REG, C_NONE, C_SAUTO, 7, 4, REGSP}, - {ABREAK, C_REG, C_NONE, C_SOREG, 7, 4, REGZERO}, - {ABREAK, C_NONE, C_NONE, C_NONE, 5, 4, 0}, - - {obj.AUNDEF, C_NONE, C_NONE, C_NONE, 49, 4, 0}, - {obj.AUSEFIELD, C_ADDR, C_NONE, C_NONE, 0, 0, 0}, - {obj.APCDATA, C_LCON, C_NONE, C_LCON, 0, 0, 0}, - {obj.AFUNCDATA, C_SCON, C_NONE, C_ADDR, 0, 0, 0}, - {obj.ANOP, C_NONE, C_NONE, C_NONE, 0, 0, 0}, - {obj.ADUFFZERO, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as AJMP - {obj.ADUFFCOPY, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as AJMP - - {obj.AXXX, C_NONE, C_NONE, C_NONE, 0, 4, 0}, -} - -var oprange [ALAST & obj.AMask][]Optab - -var xcmp [C_NCLASS][C_NCLASS]bool - -func span0(ctxt *obj.Link, cursym *obj.LSym) { - p := cursym.Text - if p == nil || p.Link == nil { // handle external functions and ELF section symbols - return - } - ctxt.Cursym = cursym - ctxt.Autosize = int32(p.To.Offset + 8) - - if oprange[AOR&obj.AMask] == nil { - buildop(ctxt) - } - - c := int64(0) - p.Pc = c - - var m int - var o *Optab - for p = p.Link; p != nil; p = p.Link { - ctxt.Curp = p - p.Pc = c - o = oplook(ctxt, p) - m = int(o.size) - if m == 0 { - if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA && p.As != obj.AUSEFIELD { - ctxt.Diag("zero-width instruction\n%v", p) - } - continue - } - - c += int64(m) - } - - cursym.Size = c - - /* - * if any procedure is large enough to - * generate a large SBRA branch, then - * generate extra passes putting branches - * around jmps to fix. this is rare. - */ - bflag := 1 - - var otxt int64 - var q *obj.Prog - for bflag != 0 { - if ctxt.Debugvlog != 0 { - ctxt.Logf("%5.2f span1\n", obj.Cputime()) - } - bflag = 0 - c = 0 - for p = cursym.Text.Link; p != nil; p = p.Link { - p.Pc = c - o = oplook(ctxt, p) - - // very large conditional branches - if o.type_ == 6 && p.Pcond != nil { - otxt = p.Pcond.Pc - c - if otxt < -(1<<17)+10 || otxt >= (1<<17)-10 { - q = ctxt.NewProg() - q.Link = p.Link - p.Link = q - q.As = AJMP - q.Lineno = p.Lineno - q.To.Type = obj.TYPE_BRANCH - q.Pcond = p.Pcond - p.Pcond = q - q = ctxt.NewProg() - q.Link = p.Link - p.Link = q - q.As = AJMP - q.Lineno = p.Lineno - q.To.Type = obj.TYPE_BRANCH - q.Pcond = q.Link.Link - - addnop(ctxt, p.Link) - addnop(ctxt, p) - bflag = 1 - } - } - - m = int(o.size) - if m == 0 { - if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA && p.As != obj.AUSEFIELD { - ctxt.Diag("zero-width instruction\n%v", p) - } - continue - } - - c += int64(m) - } - - cursym.Size = c - } - - c += -c & (funcAlign - 1) - cursym.Size = c - - /* - * lay out the code, emitting code and data relocations. - */ - - cursym.Grow(cursym.Size) - - bp := cursym.P - var i int32 - var out [4]uint32 - for p := cursym.Text.Link; p != nil; p = p.Link { - ctxt.Pc = p.Pc - ctxt.Curp = p - o = oplook(ctxt, p) - if int(o.size) > 4*len(out) { - log.Fatalf("out array in span0 is too small, need at least %d for %v", o.size/4, p) - } - asmout(ctxt, p, o, out[:]) - for i = 0; i < int32(o.size/4); i++ { - ctxt.Arch.ByteOrder.PutUint32(bp, out[i]) - bp = bp[4:] - } - } -} - -func isint32(v int64) bool { - return int64(int32(v)) == v -} - -func isuint32(v uint64) bool { - return uint64(uint32(v)) == v -} - -func aclass(ctxt *obj.Link, a *obj.Addr) int { - switch a.Type { - case obj.TYPE_NONE: - return C_NONE - - case obj.TYPE_REG: - if REG_R0 <= a.Reg && a.Reg <= REG_R31 { - return C_REG - } - if REG_F0 <= a.Reg && a.Reg <= REG_F31 { - return C_FREG - } - if REG_M0 <= a.Reg && a.Reg <= REG_M31 { - return C_MREG - } - if REG_FCR0 <= a.Reg && a.Reg <= REG_FCR31 { - return C_FCREG - } - if a.Reg == REG_LO { - return C_LO - } - if a.Reg == REG_HI { - return C_HI - } - return C_GOK - - case obj.TYPE_MEM: - switch a.Name { - case obj.NAME_EXTERN, - obj.NAME_STATIC: - if a.Sym == nil { - break - } - ctxt.Instoffset = a.Offset - if a.Sym != nil { // use relocation - if a.Sym.Type == obj.STLSBSS { - return C_TLS - } - return C_ADDR - } - return C_LEXT - - case obj.NAME_AUTO: - ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset - if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG { - return C_SAUTO - } - return C_LAUTO - - case obj.NAME_PARAM: - ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset + 8 - if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG { - return C_SAUTO - } - return C_LAUTO - - case obj.NAME_NONE: - ctxt.Instoffset = a.Offset - if ctxt.Instoffset == 0 { - return C_ZOREG - } - if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG { - return C_SOREG - } - return C_LOREG - } - - return C_GOK - - case obj.TYPE_TEXTSIZE: - return C_TEXTSIZE - - case obj.TYPE_CONST, - obj.TYPE_ADDR: - switch a.Name { - case obj.NAME_NONE: - ctxt.Instoffset = a.Offset - if a.Reg != 0 { - if -BIG <= ctxt.Instoffset && ctxt.Instoffset <= BIG { - return C_SACON - } - if isint32(ctxt.Instoffset) { - return C_LACON - } - return C_DACON - } - - goto consize - - case obj.NAME_EXTERN, - obj.NAME_STATIC: - s := a.Sym - if s == nil { - break - } - if s.Type == obj.SCONST { - ctxt.Instoffset = a.Offset - goto consize - } - - ctxt.Instoffset = a.Offset - if s.Type == obj.STLSBSS { - return C_STCON // address of TLS variable - } - return C_LECON - - case obj.NAME_AUTO: - ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset - if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG { - return C_SACON - } - return C_LACON - - case obj.NAME_PARAM: - ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset + 8 - if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG { - return C_SACON - } - return C_LACON - } - - return C_GOK - - consize: - if ctxt.Instoffset >= 0 { - if ctxt.Instoffset == 0 { - return C_ZCON - } - if ctxt.Instoffset <= 0x7fff { - return C_SCON - } - if ctxt.Instoffset <= 0xffff { - return C_ANDCON - } - if ctxt.Instoffset&0xffff == 0 && isuint32(uint64(ctxt.Instoffset)) { /* && (instoffset & (1<<31)) == 0) */ - return C_UCON - } - if isint32(ctxt.Instoffset) || isuint32(uint64(ctxt.Instoffset)) { - return C_LCON - } - return C_LCON // C_DCON - } - - if ctxt.Instoffset >= -0x8000 { - return C_ADDCON - } - if ctxt.Instoffset&0xffff == 0 && isint32(ctxt.Instoffset) { - return C_UCON - } - if isint32(ctxt.Instoffset) { - return C_LCON - } - return C_LCON // C_DCON - - case obj.TYPE_BRANCH: - return C_SBRA - } - - return C_GOK -} - -func prasm(p *obj.Prog) { - fmt.Printf("%v\n", p) -} - -func oplook(ctxt *obj.Link, p *obj.Prog) *Optab { - if oprange[AOR&obj.AMask] == nil { - buildop(ctxt) - } - - a1 := int(p.Optab) - if a1 != 0 { - return &optab[a1-1] - } - a1 = int(p.From.Class) - if a1 == 0 { - a1 = aclass(ctxt, &p.From) + 1 - p.From.Class = int8(a1) - } - - a1-- - a3 := int(p.To.Class) - if a3 == 0 { - a3 = aclass(ctxt, &p.To) + 1 - p.To.Class = int8(a3) - } - - a3-- - a2 := C_NONE - if p.Reg != 0 { - a2 = C_REG - } - - //print("oplook %P %d %d %d\n", p, a1, a2, a3); - - ops := oprange[p.As&obj.AMask] - c1 := &xcmp[a1] - c3 := &xcmp[a3] - for i := range ops { - op := &ops[i] - if int(op.a2) == a2 && c1[op.a1] && c3[op.a3] { - p.Optab = uint16(cap(optab) - cap(ops) + i + 1) - return op - } - } - - ctxt.Diag("illegal combination %v %v %v %v", p.As, DRconv(a1), DRconv(a2), DRconv(a3)) - prasm(p) - if ops == nil { - ops = optab - } - return &ops[0] -} - -func cmp(a int, b int) bool { - if a == b { - return true - } - switch a { - case C_LCON: - if b == C_ZCON || b == C_SCON || b == C_UCON || b == C_ADDCON || b == C_ANDCON { - return true - } - - case C_ADD0CON: - if b == C_ADDCON { - return true - } - fallthrough - - case C_ADDCON: - if b == C_ZCON || b == C_SCON { - return true - } - - case C_AND0CON: - if b == C_ANDCON { - return true - } - fallthrough - - case C_ANDCON: - if b == C_ZCON || b == C_SCON { - return true - } - - case C_UCON: - if b == C_ZCON { - return true - } - - case C_SCON: - if b == C_ZCON { - return true - } - - case C_LACON: - if b == C_SACON { - return true - } - - case C_LBRA: - if b == C_SBRA { - return true - } - - case C_LEXT: - if b == C_SEXT { - return true - } - - case C_LAUTO: - if b == C_SAUTO { - return true - } - - case C_REG: - if b == C_ZCON { - return r0iszero != 0 /*TypeKind(100016)*/ - } - - case C_LOREG: - if b == C_ZOREG || b == C_SOREG { - return true - } - - case C_SOREG: - if b == C_ZOREG { - return true - } - } - - return false -} - -type ocmp []Optab - -func (x ocmp) Len() int { - return len(x) -} - -func (x ocmp) Swap(i, j int) { - x[i], x[j] = x[j], x[i] -} - -func (x ocmp) Less(i, j int) bool { - p1 := &x[i] - p2 := &x[j] - n := int(p1.as) - int(p2.as) - if n != 0 { - return n < 0 - } - n = int(p1.a1) - int(p2.a1) - if n != 0 { - return n < 0 - } - n = int(p1.a2) - int(p2.a2) - if n != 0 { - return n < 0 - } - n = int(p1.a3) - int(p2.a3) - if n != 0 { - return n < 0 - } - return false -} - -func opset(a, b0 obj.As) { - oprange[a&obj.AMask] = oprange[b0] -} - -func buildop(ctxt *obj.Link) { - var n int - - for i := 0; i < C_NCLASS; i++ { - for n = 0; n < C_NCLASS; n++ { - if cmp(n, i) { - xcmp[i][n] = true - } - } - } - for n = 0; optab[n].as != obj.AXXX; n++ { - } - sort.Sort(ocmp(optab[:n])) - for i := 0; i < n; i++ { - r := optab[i].as - r0 := r & obj.AMask - start := i - for optab[i].as == r { - i++ - } - oprange[r0] = optab[start:i] - i-- - - switch r { - default: - ctxt.Diag("unknown op in build: %v", r) - log.Fatalf("bad code") - - case AABSF: - opset(AMOVFD, r0) - opset(AMOVDF, r0) - opset(AMOVWF, r0) - opset(AMOVFW, r0) - opset(AMOVWD, r0) - opset(AMOVDW, r0) - opset(ANEGF, r0) - opset(ANEGD, r0) - opset(AABSD, r0) - opset(ATRUNCDW, r0) - opset(ATRUNCFW, r0) - opset(ATRUNCDV, r0) - opset(ATRUNCFV, r0) - opset(AMOVVF, r0) - opset(AMOVFV, r0) - opset(AMOVVD, r0) - opset(AMOVDV, r0) - - case AADD: - opset(ASGT, r0) - opset(ASGTU, r0) - opset(AADDU, r0) - opset(AADDV, r0) - opset(AADDVU, r0) - - case AADDF: - opset(ADIVF, r0) - opset(ADIVD, r0) - opset(AMULF, r0) - opset(AMULD, r0) - opset(ASUBF, r0) - opset(ASUBD, r0) - opset(AADDD, r0) - - case AAND: - opset(AOR, r0) - opset(AXOR, r0) - - case ABEQ: - opset(ABNE, r0) - - case ABLEZ: - opset(ABGEZ, r0) - opset(ABGEZAL, r0) - opset(ABLTZ, r0) - opset(ABLTZAL, r0) - opset(ABGTZ, r0) - - case AMOVB: - opset(AMOVH, r0) - - case AMOVBU: - opset(AMOVHU, r0) - - case AMUL: - opset(AREM, r0) - opset(AREMU, r0) - opset(ADIVU, r0) - opset(AMULU, r0) - opset(ADIV, r0) - opset(ADIVV, r0) - opset(ADIVVU, r0) - opset(AMULV, r0) - opset(AMULVU, r0) - opset(AREMV, r0) - opset(AREMVU, r0) - - case ASLL: - opset(ASRL, r0) - opset(ASRA, r0) - opset(ASLLV, r0) - opset(ASRAV, r0) - opset(ASRLV, r0) - - case ASUB: - opset(ASUBU, r0) - opset(ASUBV, r0) - opset(ASUBVU, r0) - opset(ANOR, r0) - - case ASYSCALL: - opset(ATLBP, r0) - opset(ATLBR, r0) - opset(ATLBWI, r0) - opset(ATLBWR, r0) - - case ACMPEQF: - opset(ACMPGTF, r0) - opset(ACMPGTD, r0) - opset(ACMPGEF, r0) - opset(ACMPGED, r0) - opset(ACMPEQD, r0) - - case ABFPT: - opset(ABFPF, r0) - - case AMOVWL: - opset(AMOVWR, r0) - opset(AMOVVR, r0) - opset(AMOVVL, r0) - - case AMOVW, - AMOVD, - AMOVF, - AMOVV, - ABREAK, - ARFE, - AJAL, - AJMP, - AMOVWU, - AWORD, - obj.ANOP, - obj.ATEXT, - obj.AUNDEF, - obj.AUSEFIELD, - obj.AFUNCDATA, - obj.APCDATA, - obj.ADUFFZERO, - obj.ADUFFCOPY: - break - } - } -} - -func OP(x uint32, y uint32) uint32 { - return x<<3 | y<<0 -} - -func SP(x uint32, y uint32) uint32 { - return x<<29 | y<<26 -} - -func BCOND(x uint32, y uint32) uint32 { - return x<<19 | y<<16 -} - -func MMU(x uint32, y uint32) uint32 { - return SP(2, 0) | 16<<21 | x<<3 | y<<0 -} - -func FPF(x uint32, y uint32) uint32 { - return SP(2, 1) | 16<<21 | x<<3 | y<<0 -} - -func FPD(x uint32, y uint32) uint32 { - return SP(2, 1) | 17<<21 | x<<3 | y<<0 -} - -func FPW(x uint32, y uint32) uint32 { - return SP(2, 1) | 20<<21 | x<<3 | y<<0 -} - -func FPV(x uint32, y uint32) uint32 { - return SP(2, 1) | 21<<21 | x<<3 | y<<0 -} - -func OP_RRR(op uint32, r1 uint32, r2 uint32, r3 uint32) uint32 { - return op | (r1&31)<<16 | (r2&31)<<21 | (r3&31)<<11 -} - -func OP_IRR(op uint32, i uint32, r2 uint32, r3 uint32) uint32 { - return op | i&0xFFFF | (r2&31)<<21 | (r3&31)<<16 -} - -func OP_SRR(op uint32, s uint32, r2 uint32, r3 uint32) uint32 { - return op | (s&31)<<6 | (r2&31)<<16 | (r3&31)<<11 -} - -func OP_FRRR(op uint32, r1 uint32, r2 uint32, r3 uint32) uint32 { - return op | (r1&31)<<16 | (r2&31)<<11 | (r3&31)<<6 -} - -func OP_JMP(op uint32, i uint32) uint32 { - return op | i&0x3FFFFFF -} - -func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) { - o1 := uint32(0) - o2 := uint32(0) - o3 := uint32(0) - o4 := uint32(0) - - switch o.type_ { - default: - ctxt.Diag("unknown type %d %v", o.type_) - prasm(p) - - case 0: /* pseudo ops */ - break - - case 1: /* mov r1,r2 ==> OR r1,r0,r2 */ - a := AOR - if p.As == AMOVW { - a = AADDU // sign-extended to high 32 bits - } - o1 = OP_RRR(oprrr(ctxt, a), uint32(p.From.Reg), uint32(REGZERO), uint32(p.To.Reg)) - - case 2: /* add/sub r1,[r2],r3 */ - r := int(p.Reg) - - if r == 0 { - r = int(p.To.Reg) - } - o1 = OP_RRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg)) - - case 3: /* mov $soreg, r ==> or/add $i,o,r */ - v := regoff(ctxt, &p.From) - - r := int(p.From.Reg) - if r == 0 { - r = int(o.param) - } - a := AADDVU - if o.a1 == C_ANDCON { - a = AOR - } - - o1 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(r), uint32(p.To.Reg)) - - case 4: /* add $scon,[r1],r2 */ - v := regoff(ctxt, &p.From) - - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - - o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.To.Reg)) - - case 5: /* syscall */ - o1 = oprrr(ctxt, p.As) - - case 6: /* beq r1,[r2],sbra */ - v := int32(0) - if p.Pcond == nil { - v = int32(-4) >> 2 - } else { - v = int32(p.Pcond.Pc-p.Pc-4) >> 2 - } - if (v<<16)>>16 != v { - ctxt.Diag("short branch too far\n%v", p) - } - o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(p.From.Reg), uint32(p.Reg)) - // for ABFPT and ABFPF only: always fill delay slot with 0 - // see comments in func preprocess for details. - o2 = 0 - - case 7: /* mov r, soreg ==> sw o(r) */ - r := int(p.To.Reg) - if r == 0 { - r = int(o.param) - } - v := regoff(ctxt, &p.To) - o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.From.Reg)) - - case 8: /* mov soreg, r ==> lw o(r) */ - r := int(p.From.Reg) - if r == 0 { - r = int(o.param) - } - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, -p.As), uint32(v), uint32(r), uint32(p.To.Reg)) - - case 9: /* sll r1,[r2],r3 */ - r := int(p.Reg) - - if r == 0 { - r = int(p.To.Reg) - } - o1 = OP_RRR(oprrr(ctxt, p.As), uint32(r), uint32(p.From.Reg), uint32(p.To.Reg)) - - case 10: /* add $con,[r1],r2 ==> mov $con, t; add t,[r1],r2 */ - v := regoff(ctxt, &p.From) - a := AOR - if v < 0 { - a = AADDU - } - o1 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(0), uint32(REGTMP)) - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - o2 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) - - case 11: /* jmp lbra */ - v := int32(0) - if aclass(ctxt, &p.To) == C_SBRA && p.To.Sym == nil && p.As == AJMP { - // use PC-relative branch for short branches - // BEQ R0, R0, sbra - if p.Pcond == nil { - v = int32(-4) >> 2 - } else { - v = int32(p.Pcond.Pc-p.Pc-4) >> 2 - } - if (v<<16)>>16 == v { - o1 = OP_IRR(opirr(ctxt, ABEQ), uint32(v), uint32(REGZERO), uint32(REGZERO)) - break - } - } - if p.Pcond == nil { - v = int32(p.Pc) >> 2 - } else { - v = int32(p.Pcond.Pc) >> 2 - } - o1 = OP_JMP(opirr(ctxt, p.As), uint32(v)) - if p.To.Sym == nil { - p.To.Sym = ctxt.Cursym.Text.From.Sym - p.To.Offset = p.Pcond.Pc - } - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc) - rel.Siz = 4 - rel.Sym = p.To.Sym - rel.Add = p.To.Offset - if p.As == AJAL { - rel.Type = obj.R_CALLMIPS - } else { - rel.Type = obj.R_JMPMIPS - } - - case 12: /* movbs r,r */ - v := 16 - if p.As == AMOVB { - v = 24 - } - o1 = OP_SRR(opirr(ctxt, ASLL), uint32(v), uint32(p.From.Reg), uint32(p.To.Reg)) - o2 = OP_SRR(opirr(ctxt, ASRA), uint32(v), uint32(p.To.Reg), uint32(p.To.Reg)) - - case 13: /* movbu r,r */ - if p.As == AMOVBU { - o1 = OP_IRR(opirr(ctxt, AAND), uint32(0xff), uint32(p.From.Reg), uint32(p.To.Reg)) - } else { - o1 = OP_IRR(opirr(ctxt, AAND), uint32(0xffff), uint32(p.From.Reg), uint32(p.To.Reg)) - } - - case 14: /* movwu r,r */ - o1 = OP_SRR(opirr(ctxt, -ASLLV), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg)) - o2 = OP_SRR(opirr(ctxt, -ASRLV), uint32(0), uint32(p.To.Reg), uint32(p.To.Reg)) - - case 16: /* sll $c,[r1],r2 */ - v := regoff(ctxt, &p.From) - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - - /* OP_SRR will use only the low 5 bits of the shift value */ - if v >= 32 && vshift(p.As) { - o1 = OP_SRR(opirr(ctxt, -p.As), uint32(v-32), uint32(r), uint32(p.To.Reg)) - } else { - o1 = OP_SRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.To.Reg)) - } - - case 18: /* jmp [r1],0(r2) */ - r := int(p.Reg) - if r == 0 { - r = int(o.param) - } - o1 = OP_RRR(oprrr(ctxt, p.As), uint32(0), uint32(p.To.Reg), uint32(r)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc) - rel.Siz = 0 - rel.Type = obj.R_CALLIND - - case 19: /* mov $lcon,r ==> lu+or */ - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(p.To.Reg)) - o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(p.To.Reg), uint32(p.To.Reg)) - - case 20: /* mov lo/hi,r */ - a := OP(2, 0) /* mfhi */ - if p.From.Reg == REG_LO { - a = OP(2, 2) /* mflo */ - } - o1 = OP_RRR(a, uint32(REGZERO), uint32(REGZERO), uint32(p.To.Reg)) - - case 21: /* mov r,lo/hi */ - a := OP(2, 1) /* mthi */ - if p.To.Reg == REG_LO { - a = OP(2, 3) /* mtlo */ - } - o1 = OP_RRR(a, uint32(REGZERO), uint32(p.From.Reg), uint32(REGZERO)) - - case 22: /* mul r1,r2 */ - o1 = OP_RRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(p.Reg), uint32(REGZERO)) - - case 23: /* add $lcon,r1,r2 ==> lu+or+add */ - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP)) - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - o3 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) - - case 24: /* mov $ucon,r ==> lu r */ - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(p.To.Reg)) - - case 25: /* add/and $ucon,[r1],r2 ==> lu $con,t; add t,[r1],r2 */ - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP)) - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - o2 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) - - case 26: /* mov $lsext/auto/oreg,r ==> lu+or+add */ - v := regoff(ctxt, &p.From) - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP)) - r := int(p.From.Reg) - if r == 0 { - r = int(o.param) - } - o3 = OP_RRR(oprrr(ctxt, AADDVU), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) - - case 27: /* mov [sl]ext/auto/oreg,fr ==> lwc1 o(r) */ - v := regoff(ctxt, &p.From) - r := int(p.From.Reg) - if r == 0 { - r = int(o.param) - } - a := -AMOVF - if p.As == AMOVD { - a = -AMOVD - } - switch o.size { - case 12: - o1 = OP_IRR(opirr(ctxt, ALUI), uint32((v+1<<15)>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(REGTMP), uint32(p.To.Reg)) - - case 4: - o1 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(r), uint32(p.To.Reg)) - } - - case 28: /* mov fr,[sl]ext/auto/oreg ==> swc1 o(r) */ - v := regoff(ctxt, &p.To) - r := int(p.To.Reg) - if r == 0 { - r = int(o.param) - } - a := AMOVF - if p.As == AMOVD { - a = AMOVD - } - switch o.size { - case 12: - o1 = OP_IRR(opirr(ctxt, ALUI), uint32((v+1<<15)>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(REGTMP), uint32(p.From.Reg)) - - case 4: - o1 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(r), uint32(p.From.Reg)) - } - - case 30: /* movw r,fr */ - a := SP(2, 1) | (4 << 21) /* mtc1 */ - o1 = OP_RRR(a, uint32(p.From.Reg), uint32(0), uint32(p.To.Reg)) - - case 31: /* movw fr,r */ - a := SP(2, 1) | (0 << 21) /* mtc1 */ - o1 = OP_RRR(a, uint32(p.To.Reg), uint32(0), uint32(p.From.Reg)) - - case 32: /* fadd fr1,[fr2],fr3 */ - r := int(p.Reg) - if r == 0 { - r = int(p.To.Reg) - } - o1 = OP_FRRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg)) - - case 33: /* fabs fr1, fr3 */ - o1 = OP_FRRR(oprrr(ctxt, p.As), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg)) - - case 34: /* mov $con,fr ==> or/add $i,t; mov t,fr */ - v := regoff(ctxt, &p.From) - a := AADDU - if o.a1 == C_ANDCON { - a = AOR - } - o1 = OP_IRR(opirr(ctxt, a), uint32(v), uint32(0), uint32(REGTMP)) - o2 = OP_RRR(SP(2, 1)|(4<<21), uint32(REGTMP), uint32(0), uint32(p.To.Reg)) /* mtc1 */ - - case 35: /* mov r,lext/auto/oreg ==> sw o(REGTMP) */ - v := regoff(ctxt, &p.To) - r := int(p.To.Reg) - if r == 0 { - r = int(o.param) - } - o1 = OP_IRR(opirr(ctxt, ALUI), uint32((v+1<<15)>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(REGTMP), uint32(p.From.Reg)) - - case 36: /* mov lext/auto/oreg,r ==> lw o(REGTMP) */ - v := regoff(ctxt, &p.From) - r := int(p.From.Reg) - if r == 0 { - r = int(o.param) - } - o1 = OP_IRR(opirr(ctxt, ALUI), uint32((v+1<<15)>>16), uint32(REGZERO), uint32(REGTMP)) - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, -p.As), uint32(v), uint32(REGTMP), uint32(p.To.Reg)) - - case 37: /* movw r,mr */ - a := SP(2, 0) | (4 << 21) /* mtc0 */ - if p.As == AMOVV { - a = SP(2, 0) | (5 << 21) /* dmtc0 */ - } - o1 = OP_RRR(a, uint32(p.From.Reg), uint32(0), uint32(p.To.Reg)) - - case 38: /* movw mr,r */ - a := SP(2, 0) | (0 << 21) /* mfc0 */ - if p.As == AMOVV { - a = SP(2, 0) | (1 << 21) /* dmfc0 */ - } - o1 = OP_RRR(a, uint32(p.To.Reg), uint32(0), uint32(p.From.Reg)) - - case 40: /* word */ - o1 = uint32(regoff(ctxt, &p.From)) - - case 41: /* movw f,fcr */ - o1 = OP_RRR(SP(2, 1)|(2<<21), uint32(REGZERO), uint32(0), uint32(p.To.Reg)) /* mfcc1 */ - o2 = OP_RRR(SP(2, 1)|(6<<21), uint32(p.From.Reg), uint32(0), uint32(p.To.Reg)) /* mtcc1 */ - - case 42: /* movw fcr,r */ - o1 = OP_RRR(SP(2, 1)|(2<<21), uint32(p.To.Reg), uint32(0), uint32(p.From.Reg)) /* mfcc1 */ - - case 47: /* movv r,fr */ - a := SP(2, 1) | (5 << 21) /* dmtc1 */ - o1 = OP_RRR(a, uint32(p.From.Reg), uint32(0), uint32(p.To.Reg)) - - case 48: /* movv fr,r */ - a := SP(2, 1) | (1 << 21) /* dmtc1 */ - o1 = OP_RRR(a, uint32(p.To.Reg), uint32(0), uint32(p.From.Reg)) - - case 49: /* undef */ - o1 = 52 /* trap -- teq r0, r0 */ - - /* relocation operations */ - case 50: /* mov r,addr ==> lu + add REGSB, REGTMP + sw o(REGTMP) */ - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(0), uint32(REGZERO), uint32(REGTMP)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc) - rel.Siz = 4 - rel.Sym = p.To.Sym - rel.Add = p.To.Offset - rel.Type = obj.R_ADDRMIPSU - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(REGSB), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, p.As), uint32(0), uint32(REGTMP), uint32(p.From.Reg)) - rel2 := obj.Addrel(ctxt.Cursym) - rel2.Off = int32(ctxt.Pc + 8) - rel2.Siz = 4 - rel2.Sym = p.To.Sym - rel2.Add = p.To.Offset - rel2.Type = obj.R_ADDRMIPS - - case 51: /* mov addr,r ==> lu + add REGSB, REGTMP + lw o(REGTMP) */ - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(0), uint32(REGZERO), uint32(REGTMP)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc) - rel.Siz = 4 - rel.Sym = p.From.Sym - rel.Add = p.From.Offset - rel.Type = obj.R_ADDRMIPSU - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(REGSB), uint32(REGTMP), uint32(REGTMP)) - o3 = OP_IRR(opirr(ctxt, -p.As), uint32(0), uint32(REGTMP), uint32(p.To.Reg)) - rel2 := obj.Addrel(ctxt.Cursym) - rel2.Off = int32(ctxt.Pc + 8) - rel2.Siz = 4 - rel2.Sym = p.From.Sym - rel2.Add = p.From.Offset - rel2.Type = obj.R_ADDRMIPS - - case 52: /* mov $lext, r ==> lu + add REGSB, r + add */ - o1 = OP_IRR(opirr(ctxt, ALUI), uint32(0), uint32(REGZERO), uint32(p.To.Reg)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc) - rel.Siz = 4 - rel.Sym = p.From.Sym - rel.Add = p.From.Offset - rel.Type = obj.R_ADDRMIPSU - o2 = OP_RRR(oprrr(ctxt, AADDVU), uint32(REGSB), uint32(p.To.Reg), uint32(p.To.Reg)) - o3 = OP_IRR(opirr(ctxt, AADDVU), uint32(0), uint32(p.To.Reg), uint32(p.To.Reg)) - rel2 := obj.Addrel(ctxt.Cursym) - rel2.Off = int32(ctxt.Pc + 8) - rel2.Siz = 4 - rel2.Sym = p.From.Sym - rel2.Add = p.From.Offset - rel2.Type = obj.R_ADDRMIPS - - case 53: /* mov r, tlsvar ==> rdhwr + sw o(r3) */ - // clobbers R3 ! - // load thread pointer with RDHWR, R3 is used for fast kernel emulation on Linux - o1 = (037<<26 + 073) | (29 << 11) | (3 << 16) // rdhwr $29, r3 - o2 = OP_IRR(opirr(ctxt, p.As), uint32(0), uint32(REG_R3), uint32(p.From.Reg)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc + 4) - rel.Siz = 4 - rel.Sym = p.To.Sym - rel.Add = p.To.Offset - rel.Type = obj.R_ADDRMIPSTLS - - case 54: /* mov tlsvar, r ==> rdhwr + lw o(r3) */ - // clobbers R3 ! - o1 = (037<<26 + 073) | (29 << 11) | (3 << 16) // rdhwr $29, r3 - o2 = OP_IRR(opirr(ctxt, -p.As), uint32(0), uint32(REG_R3), uint32(p.To.Reg)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc + 4) - rel.Siz = 4 - rel.Sym = p.From.Sym - rel.Add = p.From.Offset - rel.Type = obj.R_ADDRMIPSTLS - - case 55: /* mov $tlsvar, r ==> rdhwr + add */ - // clobbers R3 ! - o1 = (037<<26 + 073) | (29 << 11) | (3 << 16) // rdhwr $29, r3 - o2 = OP_IRR(opirr(ctxt, AADDVU), uint32(0), uint32(REG_R3), uint32(p.To.Reg)) - rel := obj.Addrel(ctxt.Cursym) - rel.Off = int32(ctxt.Pc + 4) - rel.Siz = 4 - rel.Sym = p.From.Sym - rel.Add = p.From.Offset - rel.Type = obj.R_ADDRMIPSTLS - } - - out[0] = o1 - out[1] = o2 - out[2] = o3 - out[3] = o4 - return -} - -func vregoff(ctxt *obj.Link, a *obj.Addr) int64 { - ctxt.Instoffset = 0 - aclass(ctxt, a) - return ctxt.Instoffset -} - -func regoff(ctxt *obj.Link, a *obj.Addr) int32 { - return int32(vregoff(ctxt, a)) -} - -func oprrr(ctxt *obj.Link, a obj.As) uint32 { - switch a { - case AADD: - return OP(4, 0) - case AADDU: - return OP(4, 1) - case ASGT: - return OP(5, 2) - case ASGTU: - return OP(5, 3) - case AAND: - return OP(4, 4) - case AOR: - return OP(4, 5) - case AXOR: - return OP(4, 6) - case ASUB: - return OP(4, 2) - case ASUBU: - return OP(4, 3) - case ANOR: - return OP(4, 7) - case ASLL: - return OP(0, 4) - case ASRL: - return OP(0, 6) - case ASRA: - return OP(0, 7) - case ASLLV: - return OP(2, 4) - case ASRLV: - return OP(2, 6) - case ASRAV: - return OP(2, 7) - case AADDV: - return OP(5, 4) - case AADDVU: - return OP(5, 5) - case ASUBV: - return OP(5, 6) - case ASUBVU: - return OP(5, 7) - case AREM, - ADIV: - return OP(3, 2) - case AREMU, - ADIVU: - return OP(3, 3) - case AMUL: - return OP(3, 0) - case AMULU: - return OP(3, 1) - case AREMV, - ADIVV: - return OP(3, 6) - case AREMVU, - ADIVVU: - return OP(3, 7) - case AMULV: - return OP(3, 4) - case AMULVU: - return OP(3, 5) - - case AJMP: - return OP(1, 0) - case AJAL: - return OP(1, 1) - - case ABREAK: - return OP(1, 5) - case ASYSCALL: - return OP(1, 4) - case ATLBP: - return MMU(1, 0) - case ATLBR: - return MMU(0, 1) - case ATLBWI: - return MMU(0, 2) - case ATLBWR: - return MMU(0, 6) - case ARFE: - return MMU(2, 0) - - case ADIVF: - return FPF(0, 3) - case ADIVD: - return FPD(0, 3) - case AMULF: - return FPF(0, 2) - case AMULD: - return FPD(0, 2) - case ASUBF: - return FPF(0, 1) - case ASUBD: - return FPD(0, 1) - case AADDF: - return FPF(0, 0) - case AADDD: - return FPD(0, 0) - case ATRUNCFV: - return FPF(1, 1) - case ATRUNCDV: - return FPD(1, 1) - case ATRUNCFW: - return FPF(1, 5) - case ATRUNCDW: - return FPD(1, 5) - case AMOVFV: - return FPF(4, 5) - case AMOVDV: - return FPD(4, 5) - case AMOVVF: - return FPV(4, 0) - case AMOVVD: - return FPV(4, 1) - case AMOVFW: - return FPF(4, 4) - case AMOVDW: - return FPD(4, 4) - case AMOVWF: - return FPW(4, 0) - case AMOVDF: - return FPD(4, 0) - case AMOVWD: - return FPW(4, 1) - case AMOVFD: - return FPF(4, 1) - case AABSF: - return FPF(0, 5) - case AABSD: - return FPD(0, 5) - case AMOVF: - return FPF(0, 6) - case AMOVD: - return FPD(0, 6) - case ANEGF: - return FPF(0, 7) - case ANEGD: - return FPD(0, 7) - case ACMPEQF: - return FPF(6, 2) - case ACMPEQD: - return FPD(6, 2) - case ACMPGTF: - return FPF(7, 4) - case ACMPGTD: - return FPD(7, 4) - case ACMPGEF: - return FPF(7, 6) - case ACMPGED: - return FPD(7, 6) - } - - if a < 0 { - ctxt.Diag("bad rrr opcode -%v", -a) - } else { - ctxt.Diag("bad rrr opcode %v", a) - } - return 0 -} - -func opirr(ctxt *obj.Link, a obj.As) uint32 { - switch a { - case AADD: - return SP(1, 0) - case AADDU: - return SP(1, 1) - case ASGT: - return SP(1, 2) - case ASGTU: - return SP(1, 3) - case AAND: - return SP(1, 4) - case AOR: - return SP(1, 5) - case AXOR: - return SP(1, 6) - case ALUI: - return SP(1, 7) - case ASLL: - return OP(0, 0) - case ASRL: - return OP(0, 2) - case ASRA: - return OP(0, 3) - case AADDV: - return SP(3, 0) - case AADDVU: - return SP(3, 1) - - case AJMP: - return SP(0, 2) - case AJAL, - obj.ADUFFZERO, - obj.ADUFFCOPY: - return SP(0, 3) - case ABEQ: - return SP(0, 4) - case -ABEQ: - return SP(2, 4) /* likely */ - case ABNE: - return SP(0, 5) - case -ABNE: - return SP(2, 5) /* likely */ - case ABGEZ: - return SP(0, 1) | BCOND(0, 1) - case -ABGEZ: - return SP(0, 1) | BCOND(0, 3) /* likely */ - case ABGEZAL: - return SP(0, 1) | BCOND(2, 1) - case -ABGEZAL: - return SP(0, 1) | BCOND(2, 3) /* likely */ - case ABGTZ: - return SP(0, 7) - case -ABGTZ: - return SP(2, 7) /* likely */ - case ABLEZ: - return SP(0, 6) - case -ABLEZ: - return SP(2, 6) /* likely */ - case ABLTZ: - return SP(0, 1) | BCOND(0, 0) - case -ABLTZ: - return SP(0, 1) | BCOND(0, 2) /* likely */ - case ABLTZAL: - return SP(0, 1) | BCOND(2, 0) - case -ABLTZAL: - return SP(0, 1) | BCOND(2, 2) /* likely */ - case ABFPT: - return SP(2, 1) | (257 << 16) - case -ABFPT: - return SP(2, 1) | (259 << 16) /* likely */ - case ABFPF: - return SP(2, 1) | (256 << 16) - case -ABFPF: - return SP(2, 1) | (258 << 16) /* likely */ - - case AMOVB, - AMOVBU: - return SP(5, 0) - case AMOVH, - AMOVHU: - return SP(5, 1) - case AMOVW, - AMOVWU: - return SP(5, 3) - case AMOVV: - return SP(7, 7) - case AMOVF: - return SP(7, 1) - case AMOVD: - return SP(7, 5) - case AMOVWL: - return SP(5, 2) - case AMOVWR: - return SP(5, 6) - case AMOVVL: - return SP(5, 4) - case AMOVVR: - return SP(5, 5) - - case ABREAK: - return SP(5, 7) - - case -AMOVWL: - return SP(4, 2) - case -AMOVWR: - return SP(4, 6) - case -AMOVVL: - return SP(3, 2) - case -AMOVVR: - return SP(3, 3) - case -AMOVB: - return SP(4, 0) - case -AMOVBU: - return SP(4, 4) - case -AMOVH: - return SP(4, 1) - case -AMOVHU: - return SP(4, 5) - case -AMOVW: - return SP(4, 3) - case -AMOVWU: - return SP(4, 7) - case -AMOVV: - return SP(6, 7) - case -AMOVF: - return SP(6, 1) - case -AMOVD: - return SP(6, 5) - - case ASLLV: - return OP(7, 0) - case ASRLV: - return OP(7, 2) - case ASRAV: - return OP(7, 3) - case -ASLLV: - return OP(7, 4) - case -ASRLV: - return OP(7, 6) - case -ASRAV: - return OP(7, 7) - } - - if a < 0 { - ctxt.Diag("bad irr opcode -%v", -a) - } else { - ctxt.Diag("bad irr opcode %v", a) - } - return 0 -} - -func vshift(a obj.As) bool { - switch a { - case ASLLV, - ASRLV, - ASRAV: - return true - } - return false -} diff --git a/vendor/github.com/google/gops/internal/obj/mips/list0.go b/vendor/github.com/google/gops/internal/obj/mips/list0.go deleted file mode 100644 index ac11abf6..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/list0.go +++ /dev/null @@ -1,85 +0,0 @@ -// cmd/9l/list.c from Vita Nuova. -// -// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. -// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) -// Portions Copyright © 1997-1999 Vita Nuova Limited -// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) -// Portions Copyright © 2004,2006 Bruce Ellis -// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) -// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others -// Portions Copyright © 2009 The Go Authors. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -package mips - -import ( - "fmt" - - "github.com/google/gops/internal/obj" -) - -func init() { - obj.RegisterRegister(obj.RBaseMIPS64, REG_LAST&^1023+1024, Rconv) - obj.RegisterOpcode(obj.ABaseMIPS64, Anames) -} - -func Rconv(r int) string { - if r == 0 { - return "NONE" - } - if r == REGG { - // Special case. - return "g" - } - if r == REGSB { - // Special case. - return "RSB" - } - if REG_R0 <= r && r <= REG_R31 { - return fmt.Sprintf("R%d", r-REG_R0) - } - if REG_F0 <= r && r <= REG_F31 { - return fmt.Sprintf("F%d", r-REG_F0) - } - if REG_M0 <= r && r <= REG_M31 { - return fmt.Sprintf("M%d", r-REG_M0) - } - if REG_FCR0 <= r && r <= REG_FCR31 { - return fmt.Sprintf("FCR%d", r-REG_FCR0) - } - if r == REG_HI { - return "HI" - } - if r == REG_LO { - return "LO" - } - - return fmt.Sprintf("Rgok(%d)", r-obj.RBaseMIPS64) -} - -func DRconv(a int) string { - s := "C_??" - if a >= C_NONE && a <= C_NCLASS { - s = cnames0[a] - } - var fp string - fp += s - return fp -} diff --git a/vendor/github.com/google/gops/internal/obj/mips/obj0.go b/vendor/github.com/google/gops/internal/obj/mips/obj0.go deleted file mode 100644 index d2895395..00000000 --- a/vendor/github.com/google/gops/internal/obj/mips/obj0.go +++ /dev/null @@ -1,1497 +0,0 @@ -// cmd/9l/noop.c, cmd/9l/pass.c, cmd/9l/span.c from Vita Nuova. -// -// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. -// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) -// Portions Copyright © 1997-1999 Vita Nuova Limited -// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) -// Portions Copyright © 2004,2006 Bruce Ellis -// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) -// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others -// Portions Copyright © 2009 The Go Authors. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -package mips - -import ( - "fmt" - "math" - - "github.com/google/gops/internal/obj" - "github.com/google/gops/internal/sys" -) - -func progedit(ctxt *obj.Link, p *obj.Prog) { - p.From.Class = 0 - p.To.Class = 0 - - // Rewrite JMP/JAL to symbol as TYPE_BRANCH. - switch p.As { - case AJMP, - AJAL, - ARET, - obj.ADUFFZERO, - obj.ADUFFCOPY: - if p.To.Sym != nil { - p.To.Type = obj.TYPE_BRANCH - } - } - - // Rewrite float constants to values stored in memory. - switch p.As { - case AMOVF: - if p.From.Type == obj.TYPE_FCONST { - f32 := float32(p.From.Val.(float64)) - i32 := math.Float32bits(f32) - if i32 == 0 { - p.As = AMOVV - p.From.Type = obj.TYPE_REG - p.From.Reg = REGZERO - break - } - literal := fmt.Sprintf("$f32.%08x", i32) - s := obj.Linklookup(ctxt, literal, 0) - s.Size = 4 - p.From.Type = obj.TYPE_MEM - p.From.Sym = s - p.From.Name = obj.NAME_EXTERN - p.From.Offset = 0 - } - - case AMOVD: - if p.From.Type == obj.TYPE_FCONST { - i64 := math.Float64bits(p.From.Val.(float64)) - if i64 == 0 { - p.As = AMOVV - p.From.Type = obj.TYPE_REG - p.From.Reg = REGZERO - break - } - literal := fmt.Sprintf("$f64.%016x", i64) - s := obj.Linklookup(ctxt, literal, 0) - s.Size = 8 - p.From.Type = obj.TYPE_MEM - p.From.Sym = s - p.From.Name = obj.NAME_EXTERN - p.From.Offset = 0 - } - - // Put >32-bit constants in memory and load them - case AMOVV: - if p.From.Type == obj.TYPE_CONST && p.From.Name == obj.NAME_NONE && p.From.Reg == 0 && int64(int32(p.From.Offset)) != p.From.Offset { - literal := fmt.Sprintf("$i64.%016x", uint64(p.From.Offset)) - s := obj.Linklookup(ctxt, literal, 0) - s.Size = 8 - p.From.Type = obj.TYPE_MEM - p.From.Sym = s - p.From.Name = obj.NAME_EXTERN - p.From.Offset = 0 - } - } - - // Rewrite SUB constants into ADD. - switch p.As { - case ASUB: - if p.From.Type == obj.TYPE_CONST { - p.From.Offset = -p.From.Offset - p.As = AADD - } - - case ASUBU: - if p.From.Type == obj.TYPE_CONST { - p.From.Offset = -p.From.Offset - p.As = AADDU - } - - case ASUBV: - if p.From.Type == obj.TYPE_CONST { - p.From.Offset = -p.From.Offset - p.As = AADDV - } - - case ASUBVU: - if p.From.Type == obj.TYPE_CONST { - p.From.Offset = -p.From.Offset - p.As = AADDVU - } - } -} - -func preprocess(ctxt *obj.Link, cursym *obj.LSym) { - // TODO(minux): add morestack short-cuts with small fixed frame-size. - ctxt.Cursym = cursym - - // a switch for enabling/disabling instruction scheduling - nosched := true - - if cursym.Text == nil || cursym.Text.Link == nil { - return - } - - p := cursym.Text - textstksiz := p.To.Offset - - cursym.Args = p.To.Val.(int32) - cursym.Locals = int32(textstksiz) - - /* - * find leaf subroutines - * strip NOPs - * expand RET - * expand BECOME pseudo - */ - if ctxt.Debugvlog != 0 { - ctxt.Logf("%5.2f noops\n", obj.Cputime()) - } - - var q *obj.Prog - var q1 *obj.Prog - for p := cursym.Text; p != nil; p = p.Link { - switch p.As { - /* too hard, just leave alone */ - case obj.ATEXT: - q = p - - p.Mark |= LABEL | LEAF | SYNC - if p.Link != nil { - p.Link.Mark |= LABEL - } - - /* too hard, just leave alone */ - case AMOVW, - AMOVV: - q = p - if p.To.Type == obj.TYPE_REG && p.To.Reg >= REG_SPECIAL { - p.Mark |= LABEL | SYNC - break - } - if p.From.Type == obj.TYPE_REG && p.From.Reg >= REG_SPECIAL { - p.Mark |= LABEL | SYNC - } - - /* too hard, just leave alone */ - case ASYSCALL, - AWORD, - ATLBWR, - ATLBWI, - ATLBP, - ATLBR: - q = p - p.Mark |= LABEL | SYNC - - case ANOR: - q = p - if p.To.Type == obj.TYPE_REG { - if p.To.Reg == REGZERO { - p.Mark |= LABEL | SYNC - } - } - - case ABGEZAL, - ABLTZAL, - AJAL, - obj.ADUFFZERO, - obj.ADUFFCOPY: - cursym.Text.Mark &^= LEAF - fallthrough - - case AJMP, - ABEQ, - ABGEZ, - ABGTZ, - ABLEZ, - ABLTZ, - ABNE, - ABFPT, ABFPF: - if p.As == ABFPT || p.As == ABFPF { - // We don't treat ABFPT and ABFPF as branches here, - // so that we will always fill nop (0x0) in their - // delay slot during assembly. - // This is to workaround a kernel FPU emulator bug - // where it uses the user stack to simulate the - // instruction in the delay slot if it's not 0x0, - // and somehow that leads to SIGSEGV when the kernel - // jump to the stack. - p.Mark |= SYNC - } else { - p.Mark |= BRANCH - } - q = p - q1 = p.Pcond - if q1 != nil { - for q1.As == obj.ANOP { - q1 = q1.Link - p.Pcond = q1 - } - - if q1.Mark&LEAF == 0 { - q1.Mark |= LABEL - } - } - //else { - // p.Mark |= LABEL - //} - q1 = p.Link - if q1 != nil { - q1.Mark |= LABEL - } - continue - - case ARET: - q = p - if p.Link != nil { - p.Link.Mark |= LABEL - } - continue - - case obj.ANOP: - q1 = p.Link - q.Link = q1 /* q is non-nop */ - q1.Mark |= p.Mark - continue - - default: - q = p - continue - } - } - - autosize := int32(0) - var p1 *obj.Prog - var p2 *obj.Prog - for p := cursym.Text; p != nil; p = p.Link { - o := p.As - switch o { - case obj.ATEXT: - autosize = int32(textstksiz + 8) - if (p.Mark&LEAF != 0) && autosize <= 8 { - autosize = 0 - } else if autosize&4 != 0 { - autosize += 4 - } - p.To.Offset = int64(autosize) - 8 - - if p.From3.Offset&obj.NOSPLIT == 0 { - p = stacksplit(ctxt, p, autosize) // emit split check - } - - q = p - - if autosize != 0 { - // Make sure to save link register for non-empty frame, even if - // it is a leaf function, so that traceback works. - // Store link register before decrement SP, so if a signal comes - // during the execution of the function prologue, the traceback - // code will not see a half-updated stack frame. - q = obj.Appendp(ctxt, q) - q.As = AMOVV - q.Lineno = p.Lineno - q.From.Type = obj.TYPE_REG - q.From.Reg = REGLINK - q.To.Type = obj.TYPE_MEM - q.To.Offset = int64(-autosize) - q.To.Reg = REGSP - - q = obj.Appendp(ctxt, q) - q.As = AADDV - q.Lineno = p.Lineno - q.From.Type = obj.TYPE_CONST - q.From.Offset = int64(-autosize) - q.To.Type = obj.TYPE_REG - q.To.Reg = REGSP - q.Spadj = +autosize - } else if cursym.Text.Mark&LEAF == 0 { - if cursym.Text.From3.Offset&obj.NOSPLIT != 0 { - if ctxt.Debugvlog != 0 { - ctxt.Logf("save suppressed in: %s\n", cursym.Name) - } - - cursym.Text.Mark |= LEAF - } - } - - if cursym.Text.Mark&LEAF != 0 { - cursym.Set(obj.AttrLeaf, true) - break - } - - if cursym.Text.From3.Offset&obj.WRAPPER != 0 { - // if(g->panic != nil && g->panic->argp == FP) g->panic->argp = bottom-of-frame - // - // MOVV g_panic(g), R1 - // BEQ R1, end - // MOVV panic_argp(R1), R2 - // ADDV $(autosize+8), R29, R3 - // BNE R2, R3, end - // ADDV $8, R29, R2 - // MOVV R2, panic_argp(R1) - // end: - // NOP - // - // The NOP is needed to give the jumps somewhere to land. - // It is a liblink NOP, not an mips NOP: it encodes to 0 instruction bytes. - - q = obj.Appendp(ctxt, q) - - q.As = AMOVV - q.From.Type = obj.TYPE_MEM - q.From.Reg = REGG - q.From.Offset = 4 * int64(ctxt.Arch.PtrSize) // G.panic - q.To.Type = obj.TYPE_REG - q.To.Reg = REG_R1 - - q = obj.Appendp(ctxt, q) - q.As = ABEQ - q.From.Type = obj.TYPE_REG - q.From.Reg = REG_R1 - q.To.Type = obj.TYPE_BRANCH - q.Mark |= BRANCH - p1 = q - - q = obj.Appendp(ctxt, q) - q.As = AMOVV - q.From.Type = obj.TYPE_MEM - q.From.Reg = REG_R1 - q.From.Offset = 0 // Panic.argp - q.To.Type = obj.TYPE_REG - q.To.Reg = REG_R2 - - q = obj.Appendp(ctxt, q) - q.As = AADDV - q.From.Type = obj.TYPE_CONST - q.From.Offset = int64(autosize) + 8 - q.Reg = REGSP - q.To.Type = obj.TYPE_REG - q.To.Reg = REG_R3 - - q = obj.Appendp(ctxt, q) - q.As = ABNE - q.From.Type = obj.TYPE_REG - q.From.Reg = REG_R2 - q.Reg = REG_R3 - q.To.Type = obj.TYPE_BRANCH - q.Mark |= BRANCH - p2 = q - - q = obj.Appendp(ctxt, q) - q.As = AADDV - q.From.Type = obj.TYPE_CONST - q.From.Offset = 8 - q.Reg = REGSP - q.To.Type = obj.TYPE_REG - q.To.Reg = REG_R2 - - q = obj.Appendp(ctxt, q) - q.As = AMOVV - q.From.Type = obj.TYPE_REG - q.From.Reg = REG_R2 - q.To.Type = obj.TYPE_MEM - q.To.Reg = REG_R1 - q.To.Offset = 0 // Panic.argp - - q = obj.Appendp(ctxt, q) - - q.As = obj.ANOP - p1.Pcond = q - p2.Pcond = q - } - - case ARET: - if p.From.Type == obj.TYPE_CONST { - ctxt.Diag("using BECOME (%v) is not supported!", p) - break - } - - retSym := p.To.Sym - p.To.Name = obj.NAME_NONE // clear fields as we may modify p to other instruction - p.To.Sym = nil - - if cursym.Text.Mark&LEAF != 0 { - if autosize == 0 { - p.As = AJMP - p.From = obj.Addr{} - if retSym != nil { // retjmp - p.To.Type = obj.TYPE_BRANCH - p.To.Name = obj.NAME_EXTERN - p.To.Sym = retSym - } else { - p.To.Type = obj.TYPE_MEM - p.To.Reg = REGLINK - p.To.Offset = 0 - } - p.Mark |= BRANCH - break - } - - p.As = AADDV - p.From.Type = obj.TYPE_CONST - p.From.Offset = int64(autosize) - p.To.Type = obj.TYPE_REG - p.To.Reg = REGSP - p.Spadj = -autosize - - q = ctxt.NewProg() - q.As = AJMP - q.Lineno = p.Lineno - q.To.Type = obj.TYPE_MEM - q.To.Offset = 0 - q.To.Reg = REGLINK - q.Mark |= BRANCH - q.Spadj = +autosize - - q.Link = p.Link - p.Link = q - break - } - - p.As = AMOVV - p.From.Type = obj.TYPE_MEM - p.From.Offset = 0 - p.From.Reg = REGSP - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R4 - if retSym != nil { // retjmp from non-leaf, need to restore LINK register - p.To.Reg = REGLINK - } - - if autosize != 0 { - q = ctxt.NewProg() - q.As = AADDV - q.Lineno = p.Lineno - q.From.Type = obj.TYPE_CONST - q.From.Offset = int64(autosize) - q.To.Type = obj.TYPE_REG - q.To.Reg = REGSP - q.Spadj = -autosize - - q.Link = p.Link - p.Link = q - } - - q1 = ctxt.NewProg() - q1.As = AJMP - q1.Lineno = p.Lineno - if retSym != nil { // retjmp - q1.To.Type = obj.TYPE_BRANCH - q1.To.Name = obj.NAME_EXTERN - q1.To.Sym = retSym - } else { - q1.To.Type = obj.TYPE_MEM - q1.To.Offset = 0 - q1.To.Reg = REG_R4 - } - q1.Mark |= BRANCH - q1.Spadj = +autosize - - q1.Link = q.Link - q.Link = q1 - - case AADDV, - AADDVU: - if p.To.Type == obj.TYPE_REG && p.To.Reg == REGSP && p.From.Type == obj.TYPE_CONST { - p.Spadj = int32(-p.From.Offset) - } - } - } - - if nosched { - // if we don't do instruction scheduling, simply add - // NOP after each branch instruction. - for p = cursym.Text; p != nil; p = p.Link { - if p.Mark&BRANCH != 0 { - addnop(ctxt, p) - } - } - return - } - - // instruction scheduling - q = nil // p - 1 - q1 = cursym.Text // top of block - o := 0 // count of instructions - for p = cursym.Text; p != nil; p = p1 { - p1 = p.Link - o++ - if p.Mark&NOSCHED != 0 { - if q1 != p { - sched(ctxt, q1, q) - } - for ; p != nil; p = p.Link { - if p.Mark&NOSCHED == 0 { - break - } - q = p - } - p1 = p - q1 = p - o = 0 - continue - } - if p.Mark&(LABEL|SYNC) != 0 { - if q1 != p { - sched(ctxt, q1, q) - } - q1 = p - o = 1 - } - if p.Mark&(BRANCH|SYNC) != 0 { - sched(ctxt, q1, p) - q1 = p1 - o = 0 - } - if o >= NSCHED { - sched(ctxt, q1, p) - q1 = p1 - o = 0 - } - q = p - } -} - -func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32) *obj.Prog { - // MOVV g_stackguard(g), R1 - p = obj.Appendp(ctxt, p) - - p.As = AMOVV - p.From.Type = obj.TYPE_MEM - p.From.Reg = REGG - p.From.Offset = 2 * int64(ctxt.Arch.PtrSize) // G.stackguard0 - if ctxt.Cursym.CFunc() { - p.From.Offset = 3 * int64(ctxt.Arch.PtrSize) // G.stackguard1 - } - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R1 - - var q *obj.Prog - if framesize <= obj.StackSmall { - // small stack: SP < stackguard - // AGTU SP, stackguard, R1 - p = obj.Appendp(ctxt, p) - - p.As = ASGTU - p.From.Type = obj.TYPE_REG - p.From.Reg = REGSP - p.Reg = REG_R1 - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R1 - } else if framesize <= obj.StackBig { - // large stack: SP-framesize < stackguard-StackSmall - // ADDV $-framesize, SP, R2 - // SGTU R2, stackguard, R1 - p = obj.Appendp(ctxt, p) - - p.As = AADDV - p.From.Type = obj.TYPE_CONST - p.From.Offset = int64(-framesize) - p.Reg = REGSP - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R2 - - p = obj.Appendp(ctxt, p) - p.As = ASGTU - p.From.Type = obj.TYPE_REG - p.From.Reg = REG_R2 - p.Reg = REG_R1 - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R1 - } else { - // Such a large stack we need to protect against wraparound. - // If SP is close to zero: - // SP-stackguard+StackGuard <= framesize + (StackGuard-StackSmall) - // The +StackGuard on both sides is required to keep the left side positive: - // SP is allowed to be slightly below stackguard. See stack.h. - // - // Preemption sets stackguard to StackPreempt, a very large value. - // That breaks the math above, so we have to check for that explicitly. - // // stackguard is R1 - // MOVV $StackPreempt, R2 - // BEQ R1, R2, label-of-call-to-morestack - // ADDV $StackGuard, SP, R2 - // SUBVU R1, R2 - // MOVV $(framesize+(StackGuard-StackSmall)), R1 - // SGTU R2, R1, R1 - p = obj.Appendp(ctxt, p) - - p.As = AMOVV - p.From.Type = obj.TYPE_CONST - p.From.Offset = obj.StackPreempt - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R2 - - p = obj.Appendp(ctxt, p) - q = p - p.As = ABEQ - p.From.Type = obj.TYPE_REG - p.From.Reg = REG_R1 - p.Reg = REG_R2 - p.To.Type = obj.TYPE_BRANCH - p.Mark |= BRANCH - - p = obj.Appendp(ctxt, p) - p.As = AADDV - p.From.Type = obj.TYPE_CONST - p.From.Offset = obj.StackGuard - p.Reg = REGSP - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R2 - - p = obj.Appendp(ctxt, p) - p.As = ASUBVU - p.From.Type = obj.TYPE_REG - p.From.Reg = REG_R1 - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R2 - - p = obj.Appendp(ctxt, p) - p.As = AMOVV - p.From.Type = obj.TYPE_CONST - p.From.Offset = int64(framesize) + obj.StackGuard - obj.StackSmall - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R1 - - p = obj.Appendp(ctxt, p) - p.As = ASGTU - p.From.Type = obj.TYPE_REG - p.From.Reg = REG_R2 - p.Reg = REG_R1 - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R1 - } - - // q1: BNE R1, done - p = obj.Appendp(ctxt, p) - q1 := p - - p.As = ABNE - p.From.Type = obj.TYPE_REG - p.From.Reg = REG_R1 - p.To.Type = obj.TYPE_BRANCH - p.Mark |= BRANCH - - // MOVV LINK, R3 - p = obj.Appendp(ctxt, p) - - p.As = AMOVV - p.From.Type = obj.TYPE_REG - p.From.Reg = REGLINK - p.To.Type = obj.TYPE_REG - p.To.Reg = REG_R3 - if q != nil { - q.Pcond = p - p.Mark |= LABEL - } - - // JAL runtime.morestack(SB) - p = obj.Appendp(ctxt, p) - - p.As = AJAL - p.To.Type = obj.TYPE_BRANCH - if ctxt.Cursym.CFunc() { - p.To.Sym = obj.Linklookup(ctxt, "runtime.morestackc", 0) - } else if ctxt.Cursym.Text.From3.Offset&obj.NEEDCTXT == 0 { - p.To.Sym = obj.Linklookup(ctxt, "runtime.morestack_noctxt", 0) - } else { - p.To.Sym = obj.Linklookup(ctxt, "runtime.morestack", 0) - } - p.Mark |= BRANCH - - // JMP start - p = obj.Appendp(ctxt, p) - - p.As = AJMP - p.To.Type = obj.TYPE_BRANCH - p.Pcond = ctxt.Cursym.Text.Link - p.Mark |= BRANCH - - // placeholder for q1's jump target - p = obj.Appendp(ctxt, p) - - p.As = obj.ANOP // zero-width place holder - q1.Pcond = p - - return p -} - -func addnop(ctxt *obj.Link, p *obj.Prog) { - q := ctxt.NewProg() - // we want to use the canonical NOP (SLL $0,R0,R0) here, - // however, as the assembler will always replace $0 - // as R0, we have to resort to manually encode the SLL - // instruction as WORD $0. - q.As = AWORD - q.Lineno = p.Lineno - q.From.Type = obj.TYPE_CONST - q.From.Name = obj.NAME_NONE - q.From.Offset = 0 - - q.Link = p.Link - p.Link = q -} - -const ( - E_HILO = 1 << 0 - E_FCR = 1 << 1 - E_MCR = 1 << 2 - E_MEM = 1 << 3 - E_MEMSP = 1 << 4 /* uses offset and size */ - E_MEMSB = 1 << 5 /* uses offset and size */ - ANYMEM = E_MEM | E_MEMSP | E_MEMSB - //DELAY = LOAD|BRANCH|FCMP - DELAY = BRANCH /* only schedule branch */ -) - -type Dep struct { - ireg uint32 - freg uint32 - cc uint32 -} - -type Sch struct { - p obj.Prog - set Dep - used Dep - soffset int32 - size uint8 - nop uint8 - comp bool -} - -func sched(ctxt *obj.Link, p0, pe *obj.Prog) { - var sch [NSCHED]Sch - - /* - * build side structure - */ - s := sch[:] - for p := p0; ; p = p.Link { - s[0].p = *p - markregused(ctxt, &s[0]) - if p == pe { - break - } - s = s[1:] - } - se := s - - for i := cap(sch) - cap(se); i >= 0; i-- { - s = sch[i:] - if s[0].p.Mark&DELAY == 0 { - continue - } - if -cap(s) < -cap(se) { - if !conflict(&s[0], &s[1]) { - continue - } - } - - var t []Sch - var j int - for j = cap(sch) - cap(s) - 1; j >= 0; j-- { - t = sch[j:] - if t[0].comp { - if s[0].p.Mark&BRANCH != 0 { - goto no2 - } - } - if t[0].p.Mark&DELAY != 0 { - if -cap(s) >= -cap(se) || conflict(&t[0], &s[1]) { - goto no2 - } - } - for u := t[1:]; -cap(u) <= -cap(s); u = u[1:] { - if depend(ctxt, &u[0], &t[0]) { - goto no2 - } - } - goto out2 - no2: - } - - if s[0].p.Mark&BRANCH != 0 { - s[0].nop = 1 - } - continue - - out2: - // t[0] is the instruction being moved to fill the delay - stmp := t[0] - copy(t[:i-j], t[1:i-j+1]) - s[0] = stmp - - if t[i-j-1].p.Mark&BRANCH != 0 { - // t[i-j] is being put into a branch delay slot - // combine its Spadj with the branch instruction - t[i-j-1].p.Spadj += t[i-j].p.Spadj - t[i-j].p.Spadj = 0 - } - - i-- - } - - /* - * put it all back - */ - var p *obj.Prog - var q *obj.Prog - for s, p = sch[:], p0; -cap(s) <= -cap(se); s, p = s[1:], q { - q = p.Link - if q != s[0].p.Link { - *p = s[0].p - p.Link = q - } - for s[0].nop != 0 { - s[0].nop-- - addnop(ctxt, p) - } - } -} - -func markregused(ctxt *obj.Link, s *Sch) { - p := &s.p - s.comp = compound(ctxt, p) - s.nop = 0 - if s.comp { - s.set.ireg |= 1 << (REGTMP - REG_R0) - s.used.ireg |= 1 << (REGTMP - REG_R0) - } - - ar := 0 /* dest is really reference */ - ad := 0 /* source/dest is really address */ - ld := 0 /* opcode is load instruction */ - sz := 20 /* size of load/store for overlap computation */ - - /* - * flags based on opcode - */ - switch p.As { - case obj.ATEXT: - ctxt.Autosize = int32(p.To.Offset + 8) - ad = 1 - - case AJAL: - c := p.Reg - if c == 0 { - c = REGLINK - } - s.set.ireg |= 1 << uint(c-REG_R0) - ar = 1 - ad = 1 - - case ABGEZAL, - ABLTZAL: - s.set.ireg |= 1 << (REGLINK - REG_R0) - fallthrough - case ABEQ, - ABGEZ, - ABGTZ, - ABLEZ, - ABLTZ, - ABNE: - ar = 1 - ad = 1 - - case ABFPT, - ABFPF: - ad = 1 - s.used.cc |= E_FCR - - case ACMPEQD, - ACMPEQF, - ACMPGED, - ACMPGEF, - ACMPGTD, - ACMPGTF: - ar = 1 - s.set.cc |= E_FCR - p.Mark |= FCMP - - case AJMP: - ar = 1 - ad = 1 - - case AMOVB, - AMOVBU: - sz = 1 - ld = 1 - - case AMOVH, - AMOVHU: - sz = 2 - ld = 1 - - case AMOVF, - AMOVW, - AMOVWL, - AMOVWR: - sz = 4 - ld = 1 - - case AMOVD, - AMOVV, - AMOVVL, - AMOVVR: - sz = 8 - ld = 1 - - case ADIV, - ADIVU, - AMUL, - AMULU, - AREM, - AREMU, - ADIVV, - ADIVVU, - AMULV, - AMULVU, - AREMV, - AREMVU: - s.set.cc = E_HILO - fallthrough - case AADD, - AADDU, - AADDV, - AADDVU, - AAND, - ANOR, - AOR, - ASGT, - ASGTU, - ASLL, - ASRA, - ASRL, - ASLLV, - ASRAV, - ASRLV, - ASUB, - ASUBU, - ASUBV, - ASUBVU, - AXOR, - - AADDD, - AADDF, - AADDW, - ASUBD, - ASUBF, - ASUBW, - AMULF, - AMULD, - AMULW, - ADIVF, - ADIVD, - ADIVW: - if p.Reg == 0 { - if p.To.Type == obj.TYPE_REG { - p.Reg = p.To.Reg - } - //if(p->reg == NREG) - // print("botch %P\n", p); - } - } - - /* - * flags based on 'to' field - */ - c := int(p.To.Class) - if c == 0 { - c = aclass(ctxt, &p.To) + 1 - p.To.Class = int8(c) - } - c-- - switch c { - default: - fmt.Printf("unknown class %d %v\n", c, p) - - case C_ZCON, - C_SCON, - C_ADD0CON, - C_AND0CON, - C_ADDCON, - C_ANDCON, - C_UCON, - C_LCON, - C_NONE, - C_SBRA, - C_LBRA, - C_ADDR, - C_TEXTSIZE: - break - - case C_HI, - C_LO: - s.set.cc |= E_HILO - - case C_FCREG: - s.set.cc |= E_FCR - - case C_MREG: - s.set.cc |= E_MCR - - case C_ZOREG, - C_SOREG, - C_LOREG: - c = int(p.To.Reg) - s.used.ireg |= 1 << uint(c-REG_R0) - if ad != 0 { - break - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.To) - - m := uint32(ANYMEM) - if c == REGSB { - m = E_MEMSB - } - if c == REGSP { - m = E_MEMSP - } - - if ar != 0 { - s.used.cc |= m - } else { - s.set.cc |= m - } - - case C_SACON, - C_LACON: - s.used.ireg |= 1 << (REGSP - REG_R0) - - case C_SECON, - C_LECON: - s.used.ireg |= 1 << (REGSB - REG_R0) - - case C_REG: - if ar != 0 { - s.used.ireg |= 1 << uint(p.To.Reg-REG_R0) - } else { - s.set.ireg |= 1 << uint(p.To.Reg-REG_R0) - } - - case C_FREG: - if ar != 0 { - s.used.freg |= 1 << uint(p.To.Reg-REG_F0) - } else { - s.set.freg |= 1 << uint(p.To.Reg-REG_F0) - } - if ld != 0 && p.From.Type == obj.TYPE_REG { - p.Mark |= LOAD - } - - case C_SAUTO, - C_LAUTO: - s.used.ireg |= 1 << (REGSP - REG_R0) - if ad != 0 { - break - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.To) - - if ar != 0 { - s.used.cc |= E_MEMSP - } else { - s.set.cc |= E_MEMSP - } - - case C_SEXT, - C_LEXT: - s.used.ireg |= 1 << (REGSB - REG_R0) - if ad != 0 { - break - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.To) - - if ar != 0 { - s.used.cc |= E_MEMSB - } else { - s.set.cc |= E_MEMSB - } - } - - /* - * flags based on 'from' field - */ - c = int(p.From.Class) - if c == 0 { - c = aclass(ctxt, &p.From) + 1 - p.From.Class = int8(c) - } - c-- - switch c { - default: - fmt.Printf("unknown class %d %v\n", c, p) - - case C_ZCON, - C_SCON, - C_ADD0CON, - C_AND0CON, - C_ADDCON, - C_ANDCON, - C_UCON, - C_LCON, - C_NONE, - C_SBRA, - C_LBRA, - C_ADDR, - C_TEXTSIZE: - break - - case C_HI, - C_LO: - s.used.cc |= E_HILO - - case C_FCREG: - s.used.cc |= E_FCR - - case C_MREG: - s.used.cc |= E_MCR - - case C_ZOREG, - C_SOREG, - C_LOREG: - c = int(p.From.Reg) - s.used.ireg |= 1 << uint(c-REG_R0) - if ld != 0 { - p.Mark |= LOAD - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.From) - - m := uint32(ANYMEM) - if c == REGSB { - m = E_MEMSB - } - if c == REGSP { - m = E_MEMSP - } - - s.used.cc |= m - - case C_SACON, - C_LACON: - c = int(p.From.Reg) - if c == 0 { - c = REGSP - } - s.used.ireg |= 1 << uint(c-REG_R0) - - case C_SECON, - C_LECON: - s.used.ireg |= 1 << (REGSB - REG_R0) - - case C_REG: - s.used.ireg |= 1 << uint(p.From.Reg-REG_R0) - - case C_FREG: - s.used.freg |= 1 << uint(p.From.Reg-REG_F0) - if ld != 0 && p.To.Type == obj.TYPE_REG { - p.Mark |= LOAD - } - - case C_SAUTO, - C_LAUTO: - s.used.ireg |= 1 << (REGSP - REG_R0) - if ld != 0 { - p.Mark |= LOAD - } - if ad != 0 { - break - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.From) - - s.used.cc |= E_MEMSP - - case C_SEXT: - case C_LEXT: - s.used.ireg |= 1 << (REGSB - REG_R0) - if ld != 0 { - p.Mark |= LOAD - } - if ad != 0 { - break - } - s.size = uint8(sz) - s.soffset = regoff(ctxt, &p.From) - - s.used.cc |= E_MEMSB - } - - c = int(p.Reg) - if c != 0 { - if REG_F0 <= c && c <= REG_F31 { - s.used.freg |= 1 << uint(c-REG_F0) - } else { - s.used.ireg |= 1 << uint(c-REG_R0) - } - } - s.set.ireg &^= (1 << (REGZERO - REG_R0)) /* R0 can't be set */ -} - -/* - * test to see if two instructions can be - * interchanged without changing semantics - */ -func depend(ctxt *obj.Link, sa, sb *Sch) bool { - if sa.set.ireg&(sb.set.ireg|sb.used.ireg) != 0 { - return true - } - if sb.set.ireg&sa.used.ireg != 0 { - return true - } - - if sa.set.freg&(sb.set.freg|sb.used.freg) != 0 { - return true - } - if sb.set.freg&sa.used.freg != 0 { - return true - } - - /* - * special case. - * loads from same address cannot pass. - * this is for hardware fifo's and the like - */ - if sa.used.cc&sb.used.cc&E_MEM != 0 { - if sa.p.Reg == sb.p.Reg { - if regoff(ctxt, &sa.p.From) == regoff(ctxt, &sb.p.From) { - return true - } - } - } - - x := (sa.set.cc & (sb.set.cc | sb.used.cc)) | (sb.set.cc & sa.used.cc) - if x != 0 { - /* - * allow SB and SP to pass each other. - * allow SB to pass SB iff doffsets are ok - * anything else conflicts - */ - if x != E_MEMSP && x != E_MEMSB { - return true - } - x = sa.set.cc | sb.set.cc | sa.used.cc | sb.used.cc - if x&E_MEM != 0 { - return true - } - if offoverlap(sa, sb) { - return true - } - } - - return false -} - -func offoverlap(sa, sb *Sch) bool { - if sa.soffset < sb.soffset { - if sa.soffset+int32(sa.size) > sb.soffset { - return true - } - return false - } - if sb.soffset+int32(sb.size) > sa.soffset { - return true - } - return false -} - -/* - * test 2 adjacent instructions - * and find out if inserted instructions - * are desired to prevent stalls. - */ -func conflict(sa, sb *Sch) bool { - if sa.set.ireg&sb.used.ireg != 0 { - return true - } - if sa.set.freg&sb.used.freg != 0 { - return true - } - if sa.set.cc&sb.used.cc != 0 { - return true - } - return false -} - -func compound(ctxt *obj.Link, p *obj.Prog) bool { - o := oplook(ctxt, p) - if o.size != 4 { - return true - } - if p.To.Type == obj.TYPE_REG && p.To.Reg == REGSB { - return true - } - return false -} - -func follow(ctxt *obj.Link, s *obj.LSym) { - ctxt.Cursym = s - - firstp := ctxt.NewProg() - lastp := firstp - xfol(ctxt, s.Text, &lastp) - lastp.Link = nil - s.Text = firstp.Link -} - -func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { - var q *obj.Prog - var r *obj.Prog - var i int - -loop: - if p == nil { - return - } - a := p.As - if a == AJMP { - q = p.Pcond - if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) { - p.Mark |= FOLL - (*last).Link = p - *last = p - p = p.Link - xfol(ctxt, p, last) - p = q - if p != nil && p.Mark&FOLL == 0 { - goto loop - } - return - } - - if q != nil { - p.Mark |= FOLL - p = q - if p.Mark&FOLL == 0 { - goto loop - } - } - } - - if p.Mark&FOLL != 0 { - i = 0 - q = p - for ; i < 4; i, q = i+1, q.Link { - if q == *last || (q.Mark&NOSCHED != 0) { - break - } - a = q.As - if a == obj.ANOP { - i-- - continue - } - - if a == AJMP || a == ARET || a == ARFE { - goto copy - } - if q.Pcond == nil || (q.Pcond.Mark&FOLL != 0) { - continue - } - if a != ABEQ && a != ABNE { - continue - } - - copy: - for { - r = ctxt.NewProg() - *r = *p - if r.Mark&FOLL == 0 { - fmt.Printf("can't happen 1\n") - } - r.Mark |= FOLL - if p != q { - p = p.Link - (*last).Link = r - *last = r - continue - } - - (*last).Link = r - *last = r - if a == AJMP || a == ARET || a == ARFE { - return - } - r.As = ABNE - if a == ABNE { - r.As = ABEQ - } - r.Pcond = p.Link - r.Link = p.Pcond - if r.Link.Mark&FOLL == 0 { - xfol(ctxt, r.Link, last) - } - if r.Pcond.Mark&FOLL == 0 { - fmt.Printf("can't happen 2\n") - } - return - } - } - - a = AJMP - q = ctxt.NewProg() - q.As = a - q.Lineno = p.Lineno - q.To.Type = obj.TYPE_BRANCH - q.To.Offset = p.Pc - q.Pcond = p - p = q - } - - p.Mark |= FOLL - (*last).Link = p - *last = p - if a == AJMP || a == ARET || a == ARFE { - if p.Mark&NOSCHED != 0 { - p = p.Link - goto loop - } - - return - } - - if p.Pcond != nil { - if a != AJAL && p.Link != nil { - xfol(ctxt, p.Link, last) - p = p.Pcond - if p == nil || (p.Mark&FOLL != 0) { - return - } - goto loop - } - } - - p = p.Link - goto loop -} - -var Linkmips64 = obj.LinkArch{ - Arch: sys.ArchMIPS64, - Preprocess: preprocess, - Assemble: span0, - Follow: follow, - Progedit: progedit, -} - -var Linkmips64le = obj.LinkArch{ - Arch: sys.ArchMIPS64LE, - Preprocess: preprocess, - Assemble: span0, - Follow: follow, - Progedit: progedit, -} |