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// 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 obj
import "encoding/binary"
type Addr struct {
Offset int64
U struct {
Sval string
Dval float64
Branch *Prog
}
Sym *LSym
Gotype *LSym
Type_ int16
Index uint8
Scale int8
Reg int8
Name int8
Class int8
Etype uint8
Offset2 int32
Node *struct{}
Width int64
}
type Prog struct {
Ctxt *Link
Pc int64
Lineno int32
Link *Prog
As int16
Scond uint8
From Addr
Reg uint8
From3 Addr
To Addr
Opt interface{}
Forwd *Prog
Pcond *Prog
Comefrom *Prog
Pcrel *Prog
Spadj int32
Mark uint16
Optab uint16
Back uint8
Ft uint8
Tt uint8
Isize uint8
Printed uint8
Width int8
Mode int8
TEXTFLAG uint8
}
type LSym struct {
Name string
Extname string
Type_ int16
Version int16
Dupok uint8
Cfunc uint8
External uint8
Nosplit uint8
Reachable uint8
Cgoexport uint8
Special uint8
Stkcheck uint8
Hide uint8
Leaf uint8
Fnptr uint8
Localentry uint8
Seenglobl uint8
Onlist uint8
Printed uint8
Symid int16
Dynid int32
Sig 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 *struct{}
Autom *Auto
Text *Prog
Etext *Prog
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
Type_ int16
Gotype *LSym
}
type Hist struct {
Link *Hist
Name string
Line int32
Offset int32
Printed uint8
}
type Link struct {
Thechar int32
Thestring string
Goarm int32
Headtype int
Arch *LinkArch
Ignore func(string) int32
Debugasm int32
Debugline int32
Debughist int32
Debugread int32
Debugvlog int32
Debugstack int32
Debugzerostack int32
Debugdivmod int32
Debugfloat int32
Debugpcln int32
Flag_shared int32
Iself int32
Bso *Biobuf
Pathname string
Windows int32
Trimpath string
Goroot string
Goroot_final string
Enforce_data_order int32
Hash [LINKHASH]*LSym
Allsym *LSym
Nsymbol int32
Hist *Hist
Ehist *Hist
Plist *Plist
Plast *Plist
Sym_div *LSym
Sym_divu *LSym
Sym_mod *LSym
Sym_modu *LSym
Symmorestack [2]*LSym
Tlsg *LSym
Plan9privates *LSym
Curp *Prog
Printp *Prog
Blitrl *Prog
Elitrl *Prog
Rexflag int
Rep int
Repn int
Lock int
Asmode int
Andptr []byte
And [100]uint8
Instoffset int64
Autosize int32
Armsize int32
Pc int64
Libdir []string
Library []Library
Tlsoffset int
Diag func(string, ...interface{})
Mode int
Curauto *Auto
Curhist *Auto
Cursym *LSym
Version int
Textp *LSym
Etextp *LSym
Histdepth int32
Nhistfile int32
Filesyms *LSym
}
type Plist struct {
Name *LSym
Firstpc *Prog
Recur int
Link *Plist
}
type LinkArch struct {
Pconv func(*Prog) string
Name string
Thechar int
Endian int32
ByteOrder binary.ByteOrder
Addstacksplit func(*Link, *LSym)
Assemble func(*Link, *LSym)
Datasize func(*Prog) int
Follow func(*Link, *LSym)
Iscall func(*Prog) bool
Isdata func(*Prog) bool
Prg func() *Prog
Progedit func(*Link, *Prog)
Settextflag func(*Prog, int)
Symtype func(*Addr) int
Textflag func(*Prog) int
Minlc int
Ptrsize int
Regsize int
D_ADDR int
D_AUTO int
D_BRANCH int
D_CONST int
D_EXTERN int
D_FCONST int
D_NONE int
D_PARAM int
D_SCONST int
D_STATIC int
D_OREG int
ACALL int
ADATA int
AEND int
AFUNCDATA int
AGLOBL int
AJMP int
ANOP int
APCDATA int
ARET int
ATEXT int
ATYPE int
AUSEFIELD int
}
type Library struct {
Objref string
Srcref string
File string
Pkg string
}
type Pcln struct {
Pcsp Pcdata
Pcfile Pcdata
Pcline Pcdata
Pcdata []Pcdata
Funcdata []*LSym
Funcdataoff []int64
File []*LSym
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
}
// prevent incompatible type signatures between liblink and 8l on Plan 9
// prevent incompatible type signatures between liblink and 8l on Plan 9
// 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_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.type
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.
const (
LittleEndian = 0x04030201
BigEndian = 0x01020304
)
// 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
)
// asm5.c
// asm6.c
// asm8.c
// asm9.c
// data.c
// go.c
// ld.c