| // Inferno utils/5c/list.c |
| // http://code.google.com/p/inferno-os/source/browse/utils/5c/list.c |
| // |
| // 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 arm |
| |
| import ( |
| "cmd/internal/obj" |
| "fmt" |
| ) |
| |
| const ( |
| STRINGSZ = 1000 |
| ) |
| |
| var extra = []string{ |
| ".EQ", |
| ".NE", |
| ".CS", |
| ".CC", |
| ".MI", |
| ".PL", |
| ".VS", |
| ".VC", |
| ".HI", |
| ".LS", |
| ".GE", |
| ".LT", |
| ".GT", |
| ".LE", |
| "", |
| ".NV", |
| } |
| |
| var bigP *obj.Prog |
| |
| func Pconv(p *obj.Prog) string { |
| var str string |
| var sc string |
| var fp string |
| |
| var a int |
| var s int |
| |
| a = int(p.As) |
| s = int(p.Scond) |
| sc = extra[(s&C_SCOND)^C_SCOND_XOR] |
| if s&C_SBIT != 0 { |
| sc += ".S" |
| } |
| if s&C_PBIT != 0 { |
| sc += ".P" |
| } |
| if s&C_WBIT != 0 { |
| sc += ".W" |
| } |
| if s&C_UBIT != 0 { /* ambiguous with FBIT */ |
| sc += ".U" |
| } |
| if a == AMOVM { |
| if p.From.Type == obj.TYPE_CONST { |
| str = fmt.Sprintf("%.5d (%v)\t%v%s\t%v,%v", p.Pc, p.Line(), Aconv(a), sc, RAconv(&p.From), Dconv(p, 0, &p.To)) |
| } else if p.To.Type == obj.TYPE_CONST { |
| str = fmt.Sprintf("%.5d (%v)\t%v%s\t%v,%v", p.Pc, p.Line(), Aconv(a), sc, Dconv(p, 0, &p.From), RAconv(&p.To)) |
| } else { |
| str = fmt.Sprintf("%.5d (%v)\t%v%s\t%v,%v", p.Pc, p.Line(), Aconv(a), sc, Dconv(p, 0, &p.From), Dconv(p, 0, &p.To)) |
| } |
| } else if a == obj.ADATA { |
| str = fmt.Sprintf("%.5d (%v)\t%v\t%v/%d,%v", p.Pc, p.Line(), Aconv(a), Dconv(p, 0, &p.From), p.From3.Offset, Dconv(p, 0, &p.To)) |
| } else if p.As == obj.ATEXT { |
| str = fmt.Sprintf("%.5d (%v)\t%v\t%v,%d,%v", p.Pc, p.Line(), Aconv(a), Dconv(p, 0, &p.From), p.From3.Offset, Dconv(p, 0, &p.To)) |
| } else if p.Reg == 0 { |
| str = fmt.Sprintf("%.5d (%v)\t%v%s\t%v,%v", p.Pc, p.Line(), Aconv(a), sc, Dconv(p, 0, &p.From), Dconv(p, 0, &p.To)) |
| } else { |
| str = fmt.Sprintf("%.5d (%v)\t%v%s\t%v,%v,%v", p.Pc, p.Line(), Aconv(a), sc, Dconv(p, 0, &p.From), Rconv(int(p.Reg)), Dconv(p, 0, &p.To)) |
| } |
| |
| fp += str |
| return fp |
| } |
| |
| func Aconv(a int) string { |
| var s string |
| var fp string |
| |
| s = "???" |
| if a >= obj.AXXX && a < ALAST { |
| s = Anames[a] |
| } |
| fp += s |
| return fp |
| } |
| |
| func Dconv(p *obj.Prog, flag int, a *obj.Addr) string { |
| var str string |
| var fp string |
| |
| var op string |
| var v int |
| |
| switch a.Type { |
| default: |
| str = fmt.Sprintf("GOK-type(%d)", a.Type) |
| |
| case obj.TYPE_NONE: |
| str = "" |
| if a.Name != obj.TYPE_NONE || a.Reg != 0 || a.Sym != nil { |
| str = fmt.Sprintf("%v(%v)(NONE)", Mconv(a), Rconv(int(a.Reg))) |
| } |
| |
| case obj.TYPE_CONST, |
| obj.TYPE_ADDR: |
| if a.Reg != 0 { |
| str = fmt.Sprintf("$%v(%v)", Mconv(a), Rconv(int(a.Reg))) |
| } else { |
| str = fmt.Sprintf("$%v", Mconv(a)) |
| } |
| |
| case obj.TYPE_TEXTSIZE: |
| if a.U.Argsize == obj.ArgsSizeUnknown { |
| str = fmt.Sprintf("$%d", a.Offset) |
| } else { |
| str = fmt.Sprintf("$%d-%d", a.Offset, a.U.Argsize) |
| } |
| |
| case obj.TYPE_SHIFT: |
| v = int(a.Offset) |
| op = string("<<>>->@>"[((v>>5)&3)<<1:]) |
| if v&(1<<4) != 0 { |
| str = fmt.Sprintf("R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15) |
| } else { |
| str = fmt.Sprintf("R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31) |
| } |
| if a.Reg != 0 { |
| str += fmt.Sprintf("(%v)", Rconv(int(a.Reg))) |
| } |
| |
| case obj.TYPE_MEM: |
| if a.Reg != 0 { |
| str = fmt.Sprintf("%v(%v)", Mconv(a), Rconv(int(a.Reg))) |
| } else { |
| str = fmt.Sprintf("%v", Mconv(a)) |
| } |
| |
| case obj.TYPE_REG: |
| str = fmt.Sprintf("%v", Rconv(int(a.Reg))) |
| if a.Name != obj.TYPE_NONE || a.Sym != nil { |
| str = fmt.Sprintf("%v(%v)(REG)", Mconv(a), Rconv(int(a.Reg))) |
| } |
| |
| case obj.TYPE_BRANCH: |
| if a.Sym != nil { |
| str = fmt.Sprintf("%s(SB)", a.Sym.Name) |
| } else if p != nil && p.Pcond != nil { |
| str = fmt.Sprintf("%d", p.Pcond.Pc) |
| } else if a.U.Branch != nil { |
| str = fmt.Sprintf("%d", a.U.Branch.Pc) |
| } else { |
| str = fmt.Sprintf("%d(PC)", a.Offset) /*-pc*/ |
| } |
| |
| case obj.TYPE_FCONST: |
| str = fmt.Sprintf("$%.17g", a.U.Dval) |
| |
| case obj.TYPE_SCONST: |
| str = fmt.Sprintf("$%q", a.U.Sval) |
| |
| case obj.TYPE_REGREG: |
| str = fmt.Sprintf("(%v, %v)", Rconv(int(a.Reg)), Rconv(int(a.Offset))) |
| |
| case obj.TYPE_REGREG2: |
| str = fmt.Sprintf("%v, %v", Rconv(int(a.Reg)), Rconv(int(a.Offset))) |
| } |
| |
| fp += str |
| return fp |
| } |
| |
| func RAconv(a *obj.Addr) string { |
| var str string |
| var fp string |
| |
| var i int |
| var v int |
| |
| str = fmt.Sprintf("GOK-reglist") |
| switch a.Type { |
| case obj.TYPE_CONST: |
| if a.Reg != 0 { |
| break |
| } |
| if a.Sym != nil { |
| break |
| } |
| v = int(a.Offset) |
| str = "" |
| for i = 0; i < NREG; i++ { |
| if v&(1<<uint(i)) != 0 { |
| if str == "" { |
| str += "[R" |
| } else { |
| str += ",R" |
| } |
| str += fmt.Sprintf("%d", i) |
| } |
| } |
| |
| str += "]" |
| } |
| |
| fp += str |
| return fp |
| } |
| |
| func Rconv(r int) string { |
| var fp string |
| |
| if r == 0 { |
| fp += "NONE" |
| return fp |
| } |
| if REG_R0 <= r && r <= REG_R15 { |
| fp += fmt.Sprintf("R%d", r-REG_R0) |
| return fp |
| } |
| if REG_F0 <= r && r <= REG_F15 { |
| fp += fmt.Sprintf("F%d", r-REG_F0) |
| return fp |
| } |
| |
| switch r { |
| case REG_FPSR: |
| fp += "FPSR" |
| return fp |
| |
| case REG_FPCR: |
| fp += "FPCR" |
| return fp |
| |
| case REG_CPSR: |
| fp += "CPSR" |
| return fp |
| |
| case REG_SPSR: |
| fp += "SPSR" |
| return fp |
| } |
| |
| fp += fmt.Sprintf("badreg(%d)", r) |
| return fp |
| } |
| |
| func DRconv(a int) string { |
| var s string |
| var fp string |
| |
| s = "C_??" |
| if a >= C_NONE && a <= C_NCLASS { |
| s = cnames5[a] |
| } |
| fp += s |
| return fp |
| } |
| |
| func Mconv(a *obj.Addr) string { |
| var str string |
| var fp string |
| |
| var s *obj.LSym |
| |
| s = a.Sym |
| if s == nil { |
| str = fmt.Sprintf("%d", int(a.Offset)) |
| goto out |
| } |
| |
| switch a.Name { |
| default: |
| str = fmt.Sprintf("GOK-name(%d)", a.Name) |
| |
| case obj.NAME_NONE: |
| str = fmt.Sprintf("%d", a.Offset) |
| |
| case obj.NAME_EXTERN: |
| str = fmt.Sprintf("%s+%d(SB)", s.Name, int(a.Offset)) |
| |
| case obj.NAME_STATIC: |
| str = fmt.Sprintf("%s<>+%d(SB)", s.Name, int(a.Offset)) |
| |
| case obj.NAME_AUTO: |
| str = fmt.Sprintf("%s-%d(SP)", s.Name, int(-a.Offset)) |
| |
| case obj.NAME_PARAM: |
| str = fmt.Sprintf("%s+%d(FP)", s.Name, int(a.Offset)) |
| } |
| |
| out: |
| fp += str |
| return fp |
| } |