| // Derived from Inferno utils/6l/l.h and related files. |
| // http://code.google.com/p/inferno-os/source/browse/utils/6l/l.h |
| // |
| // 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 © 2000-2007 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 © 2000-2007 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 ld |
| |
| import "encoding/binary" |
| |
| type LSym struct { |
| Name string |
| Extname string |
| Type int16 |
| Version int16 |
| Dupok uint8 |
| Cfunc uint8 |
| External uint8 |
| Nosplit uint8 |
| Reachable bool |
| Cgoexport uint8 |
| Special uint8 |
| Stkcheck uint8 |
| Hide uint8 |
| Leaf uint8 |
| Localentry uint8 |
| Onlist uint8 |
| Dynid int32 |
| Plt int32 |
| Got int32 |
| Align int32 |
| Elfsym int32 |
| Args int32 |
| Locals int32 |
| Value int64 |
| Size int64 |
| Hash *LSym |
| Allsym *LSym |
| Next *LSym |
| Sub *LSym |
| Outer *LSym |
| Gotype *LSym |
| Reachparent *LSym |
| Queue *LSym |
| File string |
| Dynimplib string |
| Dynimpvers string |
| Sect interface{} |
| Autom *Auto |
| Pcln *Pcln |
| P []byte |
| R []Reloc |
| } |
| |
| type Reloc struct { |
| Off int32 |
| Siz uint8 |
| Done uint8 |
| Type int32 |
| Variant int32 |
| Add int64 |
| Xadd int64 |
| Sym *LSym |
| Xsym *LSym |
| } |
| |
| type Auto struct { |
| Asym *LSym |
| Link *Auto |
| Aoffset int32 |
| Name int16 |
| Gotype *LSym |
| } |
| |
| type Link struct { |
| Thechar int32 |
| Thestring string |
| Goarm int32 |
| Headtype int |
| Arch *LinkArch |
| Debugasm int32 |
| Debugvlog int32 |
| Bso *Biobuf |
| Windows int32 |
| Goroot string |
| Hash map[symVer]*LSym |
| Allsym *LSym |
| Nsymbol int32 |
| Tlsg *LSym |
| Libdir []string |
| Library []Library |
| Tlsoffset int |
| Diag func(string, ...interface{}) |
| Cursym *LSym |
| Version int |
| Textp *LSym |
| Etextp *LSym |
| Nhistfile int32 |
| Filesyms *LSym |
| } |
| |
| type LinkArch struct { |
| ByteOrder binary.ByteOrder |
| Name string |
| Thechar int |
| Minlc int |
| Ptrsize int |
| Regsize int |
| } |
| |
| type Library struct { |
| Objref string |
| Srcref string |
| File string |
| Pkg string |
| } |
| |
| type Pcln struct { |
| Pcsp Pcdata |
| Pcfile Pcdata |
| Pcline Pcdata |
| Pcdata []Pcdata |
| Npcdata int |
| Funcdata []*LSym |
| Funcdataoff []int64 |
| Nfuncdata int |
| File []*LSym |
| Nfile int |
| Mfile int |
| Lastfile *LSym |
| Lastindex int |
| } |
| |
| type Pcdata struct { |
| P []byte |
| } |
| |
| type Pciter struct { |
| d Pcdata |
| p []byte |
| pc uint32 |
| nextpc uint32 |
| pcscale uint32 |
| value int32 |
| start int |
| done int |
| } |
| |
| // LSym.type |
| const ( |
| Sxxx = iota |
| STEXT |
| SELFRXSECT |
| STYPE |
| SSTRING |
| SGOSTRING |
| SGOFUNC |
| SRODATA |
| SFUNCTAB |
| STYPELINK |
| SSYMTAB |
| SPCLNTAB |
| SELFROSECT |
| SMACHOPLT |
| SELFSECT |
| SMACHO |
| SMACHOGOT |
| SWINDOWS |
| SELFGOT |
| SNOPTRDATA |
| SINITARR |
| SDATA |
| SBSS |
| SNOPTRBSS |
| STLSBSS |
| SXREF |
| SMACHOSYMSTR |
| SMACHOSYMTAB |
| SMACHOINDIRECTPLT |
| SMACHOINDIRECTGOT |
| SFILE |
| SFILEPATH |
| SCONST |
| SDYNIMPORT |
| SHOSTOBJ |
| SSUB = 1 << 8 |
| SMASK = SSUB - 1 |
| SHIDDEN = 1 << 9 |
| ) |
| |
| // Reloc.type |
| const ( |
| R_ADDR = 1 + iota |
| R_ADDRPOWER |
| R_SIZE |
| R_CALL |
| R_CALLARM |
| R_CALLARM64 |
| R_CALLIND |
| R_CALLPOWER |
| R_CONST |
| R_PCREL |
| R_TLS |
| R_TLS_LE |
| R_TLS_IE |
| R_GOTOFF |
| R_PLT0 |
| R_PLT1 |
| R_PLT2 |
| R_USEFIELD |
| R_POWER_TOC |
| ) |
| |
| // Reloc.variant |
| const ( |
| RV_NONE = iota |
| RV_POWER_LO |
| RV_POWER_HI |
| RV_POWER_HA |
| RV_POWER_DS |
| RV_CHECK_OVERFLOW = 1 << 8 |
| RV_TYPE_MASK = RV_CHECK_OVERFLOW - 1 |
| ) |
| |
| // Auto.name |
| const ( |
| A_AUTO = 1 + iota |
| A_PARAM |
| ) |
| |
| const ( |
| LINKHASH = 100003 |
| ) |
| |
| // Pcdata iterator. |
| // for(pciterinit(ctxt, &it, &pcd); !it.done; pciternext(&it)) { it.value holds in [it.pc, it.nextpc) } |
| |
| // symbol version, incremented each time a file is loaded. |
| // version==1 is reserved for savehist. |
| const ( |
| HistVersion = 1 |
| ) |
| |
| // Link holds the context for writing object code from a compiler |
| // to be linker input or for reading that input into the linker. |
| |
| // LinkArch is the definition of a single architecture. |
| |
| /* executable header types */ |
| const ( |
| Hunknown = 0 + iota |
| Hdarwin |
| Hdragonfly |
| Helf |
| Hfreebsd |
| Hlinux |
| Hnacl |
| Hnetbsd |
| Hopenbsd |
| Hplan9 |
| Hsolaris |
| Hwindows |
| ) |
| |
| const ( |
| LinkAuto = 0 + iota |
| LinkInternal |
| LinkExternal |
| ) |