func asmb(ctxt *ld.Link) { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f asmb\n", obj.Cputime()) } if ld.Iself { ld.Asmbelfsetup(ctxt) } sect := ld.Segtext.Sect ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Codeblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) for sect = sect.Next; sect != nil; sect = sect.Next { ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Datblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) } if ld.Segrodata.Filelen > 0 { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f rodatblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segrodata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen)) } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f datblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segdata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen)) ld.Cseek(int64(ld.Segdwarf.Fileoff)) ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen)) /* output symbol table */ ld.Symsize = 0 ld.Lcsize = 0 symo := uint32(0) if !*ld.FlagS { // TODO: rationalize if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f sym\n", obj.Cputime()) } switch ld.HEADTYPE { default: if ld.Iself { symo = uint32(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = uint32(ld.Rnd(int64(symo), int64(*ld.FlagRound))) } case obj.Hplan9: symo = uint32(ld.Segdata.Fileoff + ld.Segdata.Filelen) } ld.Cseek(int64(symo)) switch ld.HEADTYPE { default: if ld.Iself { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f elfsym\n", obj.Cputime()) } ld.Asmelfsym(ctxt) ld.Cflush() ld.Cwrite(ld.Elfstrdat) if ld.Linkmode == ld.LinkExternal { ld.Elfemitreloc(ctxt) } } case obj.Hplan9: ld.Asmplan9sym(ctxt) ld.Cflush() sym := ld.Linklookup(ctxt, "pclntab", 0) if sym != nil { ld.Lcsize = int32(len(sym.P)) for i := 0; int32(i) < ld.Lcsize; i++ { ld.Cput(sym.P[i]) } ld.Cflush() } } } ctxt.Cursym = nil if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f header\n", obj.Cputime()) } ld.Cseek(0) switch ld.HEADTYPE { default: case obj.Hplan9: /* plan 9 */ magic := uint32(4*18*18 + 7) if ld.SysArch == sys.ArchMIPS64LE { magic = uint32(4*26*26 + 7) } ld.Thearch.Lput(magic) /* magic */ ld.Thearch.Lput(uint32(ld.Segtext.Filelen)) /* sizes */ ld.Thearch.Lput(uint32(ld.Segdata.Filelen)) ld.Thearch.Lput(uint32(ld.Segdata.Length - ld.Segdata.Filelen)) ld.Thearch.Lput(uint32(ld.Symsize)) /* nsyms */ ld.Thearch.Lput(uint32(ld.Entryvalue(ctxt))) /* va of entry */ ld.Thearch.Lput(0) ld.Thearch.Lput(uint32(ld.Lcsize)) case obj.Hlinux, obj.Hfreebsd, obj.Hnetbsd, obj.Hopenbsd, obj.Hnacl: ld.Asmbelf(ctxt, int64(symo)) } ld.Cflush() if *ld.FlagC { fmt.Printf("textsize=%d\n", ld.Segtext.Filelen) fmt.Printf("datsize=%d\n", ld.Segdata.Filelen) fmt.Printf("bsssize=%d\n", ld.Segdata.Length-ld.Segdata.Filelen) fmt.Printf("symsize=%d\n", ld.Symsize) fmt.Printf("lcsize=%d\n", ld.Lcsize) fmt.Printf("total=%d\n", ld.Segtext.Filelen+ld.Segdata.Length+uint64(ld.Symsize)+uint64(ld.Lcsize)) } }
func asmb(ctxt *ld.Link) { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f asmb\n", obj.Cputime()) } if ld.Iself { ld.Asmbelfsetup(ctxt) } sect := ld.Segtext.Sect ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) // 0xCC is INT $3 - breakpoint instruction ld.CodeblkPad(ctxt, int64(sect.Vaddr), int64(sect.Length), []byte{0xCC}) for sect = sect.Next; sect != nil; sect = sect.Next { ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Datblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) } if ld.Segrodata.Filelen > 0 { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f rodatblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segrodata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen)) } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f datblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segdata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen)) ld.Cseek(int64(ld.Segdwarf.Fileoff)) ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen)) machlink := uint32(0) if ld.HEADTYPE == obj.Hdarwin { machlink = uint32(ld.Domacholink(ctxt)) } ld.Symsize = 0 ld.Spsize = 0 ld.Lcsize = 0 symo := uint32(0) if !*ld.FlagS { // TODO: rationalize if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f sym\n", obj.Cputime()) } switch ld.HEADTYPE { default: if ld.Iself { symo = uint32(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = uint32(ld.Rnd(int64(symo), int64(*ld.FlagRound))) } case obj.Hplan9: symo = uint32(ld.Segdata.Fileoff + ld.Segdata.Filelen) case obj.Hdarwin: symo = uint32(ld.Segdwarf.Fileoff + uint64(ld.Rnd(int64(ld.Segdwarf.Filelen), int64(*ld.FlagRound))) + uint64(machlink)) case obj.Hwindows: symo = uint32(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = uint32(ld.Rnd(int64(symo), ld.PEFILEALIGN)) } ld.Cseek(int64(symo)) switch ld.HEADTYPE { default: if ld.Iself { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f elfsym\n", obj.Cputime()) } ld.Asmelfsym(ctxt) ld.Cflush() ld.Cwrite(ld.Elfstrdat) if ld.Linkmode == ld.LinkExternal { ld.Elfemitreloc(ctxt) } } case obj.Hplan9: ld.Asmplan9sym(ctxt) ld.Cflush() sym := ld.Linklookup(ctxt, "pclntab", 0) if sym != nil { ld.Lcsize = int32(len(sym.P)) for i := 0; int32(i) < ld.Lcsize; i++ { ld.Cput(sym.P[i]) } ld.Cflush() } case obj.Hwindows: if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f dwarf\n", obj.Cputime()) } case obj.Hdarwin: if ld.Linkmode == ld.LinkExternal { ld.Machoemitreloc(ctxt) } } } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f headr\n", obj.Cputime()) } ld.Cseek(0) switch ld.HEADTYPE { default: case obj.Hplan9: /* plan9 */ magic := int32(4*11*11 + 7) ld.Lputb(uint32(magic)) /* magic */ ld.Lputb(uint32(ld.Segtext.Filelen)) /* sizes */ ld.Lputb(uint32(ld.Segdata.Filelen)) ld.Lputb(uint32(ld.Segdata.Length - ld.Segdata.Filelen)) ld.Lputb(uint32(ld.Symsize)) /* nsyms */ ld.Lputb(uint32(ld.Entryvalue(ctxt))) /* va of entry */ ld.Lputb(uint32(ld.Spsize)) /* sp offsets */ ld.Lputb(uint32(ld.Lcsize)) /* line offsets */ case obj.Hdarwin: ld.Asmbmacho(ctxt) case obj.Hlinux, obj.Hfreebsd, obj.Hnetbsd, obj.Hopenbsd, obj.Hnacl: ld.Asmbelf(ctxt, int64(symo)) case obj.Hwindows: ld.Asmbpe(ctxt) } ld.Cflush() }
func asmb(ctxt *ld.Link) { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f asmb\n", obj.Cputime()) } if ld.Iself { ld.Asmbelfsetup(ctxt) } sect := ld.Segtext.Sect ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Codeblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) for sect = sect.Next; sect != nil; sect = sect.Next { ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Datblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) } if ld.Segrodata.Filelen > 0 { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f rodatblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segrodata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen)) } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f datblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segdata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen)) ld.Cseek(int64(ld.Segdwarf.Fileoff)) ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen)) /* output symbol table */ ld.Symsize = 0 ld.Lcsize = 0 symo := uint32(0) if !*ld.FlagS { if !ld.Iself { ctxt.Diag("unsupported executable format") } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f sym\n", obj.Cputime()) } symo = uint32(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = uint32(ld.Rnd(int64(symo), int64(*ld.FlagRound))) ld.Cseek(int64(symo)) if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f elfsym\n", obj.Cputime()) } ld.Asmelfsym(ctxt) ld.Cflush() ld.Cwrite(ld.Elfstrdat) if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f dwarf\n", obj.Cputime()) } if ld.Linkmode == ld.LinkExternal { ld.Elfemitreloc(ctxt) } } ctxt.Cursym = nil if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f header\n", obj.Cputime()) } ld.Cseek(0) switch ld.HEADTYPE { default: ctxt.Diag("unsupported operating system") case obj.Hlinux: ld.Asmbelf(ctxt, int64(symo)) } ld.Cflush() if *ld.FlagC { fmt.Printf("textsize=%d\n", ld.Segtext.Filelen) fmt.Printf("datsize=%d\n", ld.Segdata.Filelen) fmt.Printf("bsssize=%d\n", ld.Segdata.Length-ld.Segdata.Filelen) fmt.Printf("symsize=%d\n", ld.Symsize) fmt.Printf("lcsize=%d\n", ld.Lcsize) fmt.Printf("total=%d\n", ld.Segtext.Filelen+ld.Segdata.Length+uint64(ld.Symsize)+uint64(ld.Lcsize)) } }
func asmb(ctxt *ld.Link) { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f asmb\n", obj.Cputime()) } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f codeblk\n", obj.Cputime()) } if ld.Iself { ld.Asmbelfsetup(ctxt) } sect := ld.Segtext.Sect ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) // 0xCC is INT $3 - breakpoint instruction ld.CodeblkPad(ctxt, int64(sect.Vaddr), int64(sect.Length), []byte{0xCC}) for sect = sect.Next; sect != nil; sect = sect.Next { ld.Cseek(int64(sect.Vaddr - ld.Segtext.Vaddr + ld.Segtext.Fileoff)) ld.Datblk(ctxt, int64(sect.Vaddr), int64(sect.Length)) } if ld.Segrodata.Filelen > 0 { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f rodatblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segrodata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segrodata.Vaddr), int64(ld.Segrodata.Filelen)) } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f datblk\n", obj.Cputime()) } ld.Cseek(int64(ld.Segdata.Fileoff)) ld.Datblk(ctxt, int64(ld.Segdata.Vaddr), int64(ld.Segdata.Filelen)) ld.Cseek(int64(ld.Segdwarf.Fileoff)) ld.Dwarfblk(ctxt, int64(ld.Segdwarf.Vaddr), int64(ld.Segdwarf.Filelen)) machlink := int64(0) if ld.HEADTYPE == obj.Hdarwin { machlink = ld.Domacholink(ctxt) } switch ld.HEADTYPE { default: ctxt.Diag("unknown header type %d", ld.HEADTYPE) fallthrough case obj.Hplan9: break case obj.Hdarwin: ld.Flag8 = true /* 64-bit addresses */ case obj.Hlinux, obj.Hfreebsd, obj.Hnetbsd, obj.Hopenbsd, obj.Hdragonfly, obj.Hsolaris: ld.Flag8 = true /* 64-bit addresses */ case obj.Hnacl, obj.Hwindows: break } ld.Symsize = 0 ld.Spsize = 0 ld.Lcsize = 0 symo := int64(0) if !*ld.FlagS { if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f sym\n", obj.Cputime()) } switch ld.HEADTYPE { default: case obj.Hplan9: *ld.FlagS = true symo = int64(ld.Segdata.Fileoff + ld.Segdata.Filelen) case obj.Hdarwin: symo = int64(ld.Segdwarf.Fileoff + uint64(ld.Rnd(int64(ld.Segdwarf.Filelen), int64(*ld.FlagRound))) + uint64(machlink)) case obj.Hlinux, obj.Hfreebsd, obj.Hnetbsd, obj.Hopenbsd, obj.Hdragonfly, obj.Hsolaris, obj.Hnacl: symo = int64(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = ld.Rnd(symo, int64(*ld.FlagRound)) case obj.Hwindows: symo = int64(ld.Segdwarf.Fileoff + ld.Segdwarf.Filelen) symo = ld.Rnd(symo, ld.PEFILEALIGN) } ld.Cseek(symo) switch ld.HEADTYPE { default: if ld.Iself { ld.Cseek(symo) ld.Asmelfsym(ctxt) ld.Cflush() ld.Cwrite(ld.Elfstrdat) if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f dwarf\n", obj.Cputime()) } if ld.Linkmode == ld.LinkExternal { ld.Elfemitreloc(ctxt) } } case obj.Hplan9: ld.Asmplan9sym(ctxt) ld.Cflush() sym := ld.Linklookup(ctxt, "pclntab", 0) if sym != nil { ld.Lcsize = int32(len(sym.P)) for i := 0; int32(i) < ld.Lcsize; i++ { ld.Cput(sym.P[i]) } ld.Cflush() } case obj.Hwindows: if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f dwarf\n", obj.Cputime()) } case obj.Hdarwin: if ld.Linkmode == ld.LinkExternal { ld.Machoemitreloc(ctxt) } } } if ctxt.Debugvlog != 0 { ctxt.Logf("%5.2f headr\n", obj.Cputime()) } ld.Cseek(0) switch ld.HEADTYPE { default: case obj.Hplan9: /* plan9 */ magic := int32(4*26*26 + 7) magic |= 0x00008000 /* fat header */ ld.Lputb(uint32(magic)) /* magic */ ld.Lputb(uint32(ld.Segtext.Filelen)) /* sizes */ ld.Lputb(uint32(ld.Segdata.Filelen)) ld.Lputb(uint32(ld.Segdata.Length - ld.Segdata.Filelen)) ld.Lputb(uint32(ld.Symsize)) /* nsyms */ vl := ld.Entryvalue(ctxt) ld.Lputb(PADDR(uint32(vl))) /* va of entry */ ld.Lputb(uint32(ld.Spsize)) /* sp offsets */ ld.Lputb(uint32(ld.Lcsize)) /* line offsets */ ld.Vputb(uint64(vl)) /* va of entry */ case obj.Hdarwin: ld.Asmbmacho(ctxt) case obj.Hlinux, obj.Hfreebsd, obj.Hnetbsd, obj.Hopenbsd, obj.Hdragonfly, obj.Hsolaris, obj.Hnacl: ld.Asmbelf(ctxt, symo) case obj.Hwindows: ld.Asmbpe(ctxt) } ld.Cflush() }