Golang ld.Diag函數代碼示例

本文整理匯總了Golang中cmd/internal/ld.Diag函數的典型用法代碼示例。如果您正苦於以下問題：Golang Diag函數的具體用法？Golang Diag怎麽用？Golang Diag使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了Diag函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: machoreloc1

func machoreloc1(r *ld.Reloc, sectoff int64) int {
	var v uint32

	rs := r.Xsym

	if rs.Type == ld.SHOSTOBJ || r.Type == ld.R_PCREL {
		if rs.Dynid < 0 {
			ld.Diag("reloc %d to non-macho symbol %s type=%d", r.Type, rs.Name, rs.Type)
			return -1
		}

		v = uint32(rs.Dynid)
		v |= 1 << 27 // external relocation
	} else {
		v = uint32((rs.Sect.(*ld.Section)).Extnum)
		if v == 0 {
			ld.Diag("reloc %d to symbol %s in non-macho section %s type=%d", r.Type, rs.Name, (rs.Sect.(*ld.Section)).Name, rs.Type)
			return -1
		}
	}

	switch r.Type {
	default:
		return -1

	case ld.R_ADDR:
		v |= ld.MACHO_X86_64_RELOC_UNSIGNED << 28

	case ld.R_CALL:
		v |= 1 << 24 // pc-relative bit
		v |= ld.MACHO_X86_64_RELOC_BRANCH << 28

		// NOTE: Only works with 'external' relocation. Forced above.
	case ld.R_PCREL:
		v |= 1 << 24 // pc-relative bit
		v |= ld.MACHO_X86_64_RELOC_SIGNED << 28
	}

	switch r.Siz {
	default:
		return -1

	case 1:
		v |= 0 << 25

	case 2:
		v |= 1 << 25

	case 4:
		v |= 2 << 25

	case 8:
		v |= 3 << 25
	}

	ld.Thearch.Lput(uint32(sectoff))
	ld.Thearch.Lput(v)
	return 0
}

開發者ID:tidatida，項目名稱:go，代碼行數:59，代碼來源:asm.go

示例2: machoreloc1

func machoreloc1(r *ld.Reloc, sectoff int64) int {
	var v uint32

	rs := r.Xsym

	if rs.Type == ld.SHOSTOBJ {
		if rs.Dynid < 0 {
			ld.Diag("reloc %d to non-macho symbol %s type=%d", r.Type, rs.Name, rs.Type)
			return -1
		}

		v = uint32(rs.Dynid)
		v |= 1 << 27 // external relocation
	} else {
		v = uint32((rs.Sect.(*ld.Section)).Extnum)
		if v == 0 {
			ld.Diag("reloc %d to symbol %s in non-macho section %s type=%d", r.Type, rs.Name, (rs.Sect.(*ld.Section)).Name, rs.Type)
			return -1
		}
	}

	switch r.Type {
	default:
		return -1

	case ld.R_ADDR:
		v |= ld.MACHO_GENERIC_RELOC_VANILLA << 28

	case ld.R_CALL,
		ld.R_PCREL:
		v |= 1 << 24 // pc-relative bit
		v |= ld.MACHO_GENERIC_RELOC_VANILLA << 28
	}

	switch r.Siz {
	default:
		return -1

	case 1:
		v |= 0 << 25

	case 2:
		v |= 1 << 25

	case 4:
		v |= 2 << 25

	case 8:
		v |= 3 << 25
	}

	ld.Thearch.Lput(uint32(sectoff))
	ld.Thearch.Lput(v)
	return 0
}

開發者ID:xslonepiece，項目名稱:goios，代碼行數:55，代碼來源:asm.go

示例3: adddynsym

func adddynsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Dynid >= 0 {
		return
	}

	if ld.Iself {
		s.Dynid = int32(ld.Nelfsym)
		ld.Nelfsym++

		d := ld.Linklookup(ctxt, ".dynsym", 0)

		name := s.Extname
		ld.Adduint32(ctxt, d, uint32(ld.Addstring(ld.Linklookup(ctxt, ".dynstr", 0), name)))

		/* type */
		t := ld.STB_GLOBAL << 4

		if s.Cgoexport != 0 && s.Type&ld.SMASK == ld.STEXT {
			t |= ld.STT_FUNC
		} else {
			t |= ld.STT_OBJECT
		}
		ld.Adduint8(ctxt, d, uint8(t))

		/* reserved */
		ld.Adduint8(ctxt, d, 0)

		/* section where symbol is defined */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint16(ctxt, d, ld.SHN_UNDEF)
		} else {
			ld.Adduint16(ctxt, d, 1)
		}

		/* value */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint64(ctxt, d, 0)
		} else {
			ld.Addaddr(ctxt, d, s)
		}

		/* size of object */
		ld.Adduint64(ctxt, d, uint64(s.Size))

		if s.Cgoexport&ld.CgoExportDynamic == 0 && s.Dynimplib != "" && needlib(s.Dynimplib) != 0 {
			ld.Elfwritedynent(ld.Linklookup(ctxt, ".dynamic", 0), ld.DT_NEEDED, uint64(ld.Addstring(ld.Linklookup(ctxt, ".dynstr", 0), s.Dynimplib)))
		}
	} else if ld.HEADTYPE == ld.Hdarwin {
		ld.Diag("adddynsym: missed symbol %s (%s)", s.Name, s.Extname)
	} else if ld.HEADTYPE == ld.Hwindows {
	} else // already taken care of
	{
		ld.Diag("adddynsym: unsupported binary format")
	}
}

開發者ID:tidatida，項目名稱:go，代碼行數:55，代碼來源:asm.go

示例4: adddynsym

func adddynsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Dynid >= 0 {
		return
	}

	if ld.Iself {
		s.Dynid = int32(ld.Nelfsym)
		ld.Nelfsym++

		d := ld.Linklookup(ctxt, ".dynsym", 0)

		/* name */
		name := s.Extname

		ld.Adduint32(ctxt, d, uint32(ld.Addstring(ld.Linklookup(ctxt, ".dynstr", 0), name)))

		/* value */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint32(ctxt, d, 0)
		} else {
			ld.Addaddr(ctxt, d, s)
		}

		/* size */
		ld.Adduint32(ctxt, d, 0)

		/* type */
		t := ld.STB_GLOBAL << 4

		if s.Cgoexport != 0 && s.Type&ld.SMASK == ld.STEXT {
			t |= ld.STT_FUNC
		} else {
			t |= ld.STT_OBJECT
		}
		ld.Adduint8(ctxt, d, uint8(t))
		ld.Adduint8(ctxt, d, 0)

		/* shndx */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint16(ctxt, d, ld.SHN_UNDEF)
		} else {
			ld.Adduint16(ctxt, d, 1)
		}
	} else if ld.HEADTYPE == ld.Hdarwin {
		ld.Diag("adddynsym: missed symbol %s (%s)", s.Name, s.Extname)
	} else if ld.HEADTYPE == ld.Hwindows {
	} else // already taken care of
	{
		ld.Diag("adddynsym: unsupported binary format")
	}
}

開發者ID:xslonepiece，項目名稱:goios，代碼行數:51，代碼來源:asm.go

示例5: pereloc1

func pereloc1(r *ld.Reloc, sectoff int64) bool {
	var v uint32

	rs := r.Xsym

	if rs.Dynid < 0 {
		ld.Diag("reloc %d to non-coff symbol %s type=%d", r.Type, rs.Name, rs.Type)
		return false
	}

	ld.Thearch.Lput(uint32(sectoff))
	ld.Thearch.Lput(uint32(rs.Dynid))

	switch r.Type {
	default:
		return false

	case ld.R_ADDR:
		if r.Siz == 8 {
			v = ld.IMAGE_REL_AMD64_ADDR64
		} else {
			v = ld.IMAGE_REL_AMD64_ADDR32
		}

	case ld.R_CALL,
		ld.R_PCREL:
		v = ld.IMAGE_REL_AMD64_REL32
	}

	ld.Thearch.Wput(uint16(v))

	return true
}

開發者ID:tidatida，項目名稱:go，代碼行數:33，代碼來源:asm.go

示例6: addpltsym

func addpltsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Plt >= 0 {
		return
	}

	adddynsym(ctxt, s)

	if ld.Iself {
		plt := ld.Linklookup(ctxt, ".plt", 0)
		got := ld.Linklookup(ctxt, ".got.plt", 0)
		rel := ld.Linklookup(ctxt, ".rel.plt", 0)
		if plt.Size == 0 {
			elfsetupplt()
		}

		// jmpq *got+size
		ld.Adduint8(ctxt, plt, 0xff)

		ld.Adduint8(ctxt, plt, 0x25)
		ld.Addaddrplus(ctxt, plt, got, got.Size)

		// add to got: pointer to current pos in plt
		ld.Addaddrplus(ctxt, got, plt, plt.Size)

		// pushl $x
		ld.Adduint8(ctxt, plt, 0x68)

		ld.Adduint32(ctxt, plt, uint32(rel.Size))

		// jmp .plt
		ld.Adduint8(ctxt, plt, 0xe9)

		ld.Adduint32(ctxt, plt, uint32(-(plt.Size + 4)))

		// rel
		ld.Addaddrplus(ctxt, rel, got, got.Size-4)

		ld.Adduint32(ctxt, rel, ld.ELF32_R_INFO(uint32(s.Dynid), ld.R_386_JMP_SLOT))

		s.Plt = int32(plt.Size - 16)
	} else if ld.HEADTYPE == ld.Hdarwin {
		// Same laziness as in 6l.

		plt := ld.Linklookup(ctxt, ".plt", 0)

		addgotsym(ctxt, s)

		ld.Adduint32(ctxt, ld.Linklookup(ctxt, ".linkedit.plt", 0), uint32(s.Dynid))

		// jmpq *got+size(IP)
		s.Plt = int32(plt.Size)

		ld.Adduint8(ctxt, plt, 0xff)
		ld.Adduint8(ctxt, plt, 0x25)
		ld.Addaddrplus(ctxt, plt, ld.Linklookup(ctxt, ".got", 0), int64(s.Got))
	} else {
		ld.Diag("addpltsym: unsupported binary format")
	}
}

開發者ID:xslonepiece，項目名稱:goios，代碼行數:59，代碼來源:asm.go

示例7: addgotsyminternal

func addgotsyminternal(ctxt *ld.Link, s *ld.LSym) {
	if s.Got >= 0 {
		return
	}

	got := ld.Linklookup(ctxt, ".got", 0)
	s.Got = int32(got.Size)

	ld.Addaddrplus(ctxt, got, s, 0)

	if ld.Iself {
	} else {
		ld.Diag("addgotsyminternal: unsupported binary format")
	}
}

開發者ID:xslonepiece，項目名稱:goios，代碼行數:15，代碼來源:asm.go

示例8: adddynlib

func adddynlib(lib string) {
	if needlib(lib) == 0 {
		return
	}

	if ld.Iself {
		s := ld.Linklookup(ld.Ctxt, ".dynstr", 0)
		if s.Size == 0 {
			ld.Addstring(s, "")
		}
		ld.Elfwritedynent(ld.Linklookup(ld.Ctxt, ".dynamic", 0), ld.DT_NEEDED, uint64(ld.Addstring(s, lib)))
	} else {
		ld.Diag("adddynlib: unsupported binary format")
	}
}

開發者ID:klueska，項目名稱:go-akaros，代碼行數:15，代碼來源:asm.go

示例9: symtoc

// Return the value of .TOC. for symbol s
func symtoc(s *ld.LSym) int64 {
	var toc *ld.LSym

	if s.Outer != nil {
		toc = ld.Linkrlookup(ld.Ctxt, ".TOC.", int(s.Outer.Version))
	} else {
		toc = ld.Linkrlookup(ld.Ctxt, ".TOC.", int(s.Version))
	}

	if toc == nil {
		ld.Diag("TOC-relative relocation in object without .TOC.")
		return 0
	}

	return toc.Value
}

開發者ID:klueska，項目名稱:go-akaros，代碼行數:17，代碼來源:asm.go

示例10: adddynsym

func adddynsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Dynid >= 0 {
		return
	}

	if ld.Iself {
		s.Dynid = int32(ld.Nelfsym)
		ld.Nelfsym++

		d := ld.Linklookup(ctxt, ".dynsym", 0)

		name := s.Extname
		ld.Adduint32(ctxt, d, uint32(ld.Addstring(ld.Linklookup(ctxt, ".dynstr", 0), name)))

		/* type */
		t := ld.STB_GLOBAL << 4

		if s.Cgoexport != 0 && s.Type&ld.SMASK == ld.STEXT {
			t |= ld.STT_FUNC
		} else {
			t |= ld.STT_OBJECT
		}
		ld.Adduint8(ctxt, d, uint8(t))

		/* reserved */
		ld.Adduint8(ctxt, d, 0)

		/* section where symbol is defined */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint16(ctxt, d, ld.SHN_UNDEF)
		} else {
			ld.Adduint16(ctxt, d, 1)
		}

		/* value */
		if s.Type == ld.SDYNIMPORT {
			ld.Adduint64(ctxt, d, 0)
		} else {
			ld.Addaddr(ctxt, d, s)
		}

		/* size of object */
		ld.Adduint64(ctxt, d, uint64(s.Size))
	} else {
		ld.Diag("adddynsym: unsupported binary format")
	}
}

開發者ID:klueska，項目名稱:go-akaros，代碼行數:47，代碼來源:asm.go

示例11: addgotsym

func addgotsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Got >= 0 {
		return
	}

	adddynsym(ctxt, s)
	got := ld.Linklookup(ctxt, ".got", 0)
	s.Got = int32(got.Size)
	ld.Adduint32(ctxt, got, 0)

	if ld.Iself {
		rel := ld.Linklookup(ctxt, ".rel", 0)
		ld.Addaddrplus(ctxt, rel, got, int64(s.Got))
		ld.Adduint32(ctxt, rel, ld.ELF32_R_INFO(uint32(s.Dynid), ld.R_ARM_GLOB_DAT))
	} else {
		ld.Diag("addgotsym: unsupported binary format")
	}
}

開發者ID:xslonepiece，項目名稱:goios，代碼行數:18，代碼來源:asm.go

示例12: addpltsym

func addpltsym(ctxt *ld.Link, s *ld.LSym) {
	if s.Plt >= 0 {
		return
	}

	adddynsym(ctxt, s)

	if ld.Iself {
		plt := ld.Linklookup(ctxt, ".plt", 0)
		rela := ld.Linklookup(ctxt, ".rela.plt", 0)
		if plt.Size == 0 {
			elfsetupplt()
		}

		// Create the glink resolver if necessary
		glink := ensureglinkresolver()

		// Write symbol resolver stub (just a branch to the
		// glink resolver stub)
		r := ld.Addrel(glink)

		r.Sym = glink
		r.Off = int32(glink.Size)
		r.Siz = 4
		r.Type = ld.R_CALLPOWER
		ld.Adduint32(ctxt, glink, 0x48000000) // b .glink

		// In the ppc64 ABI, the dynamic linker is responsible
		// for writing the entire PLT.  We just need to
		// reserve 8 bytes for each PLT entry and generate a
		// JMP_SLOT dynamic relocation for it.
		//
		// TODO(austin): ABI v1 is different
		s.Plt = int32(plt.Size)

		plt.Size += 8

		ld.Addaddrplus(ctxt, rela, plt, int64(s.Plt))
		ld.Adduint64(ctxt, rela, ld.ELF64_R_INFO(uint32(s.Dynid), ld.R_PPC64_JMP_SLOT))
		ld.Adduint64(ctxt, rela, 0)
	} else {
		ld.Diag("addpltsym: unsupported binary format")
	}
}

開發者ID:klueska，項目名稱:go-akaros，代碼行數:44，代碼來源:asm.go

示例13: addgotsym

func addgotsym(s *ld.LSym) {
	if s.Got >= 0 {
		return
	}

	adddynsym(ld.Ctxt, s)
	got := ld.Linklookup(ld.Ctxt, ".got", 0)
	s.Got = int32(got.Size)
	ld.Adduint64(ld.Ctxt, got, 0)

	if ld.Iself {
		rela := ld.Linklookup(ld.Ctxt, ".rela", 0)
		ld.Addaddrplus(ld.Ctxt, rela, got, int64(s.Got))
		ld.Adduint64(ld.Ctxt, rela, ld.ELF64_R_INFO(uint32(s.Dynid), ld.R_X86_64_GLOB_DAT))
		ld.Adduint64(ld.Ctxt, rela, 0)
	} else if ld.HEADTYPE == ld.Hdarwin {
		ld.Adduint32(ld.Ctxt, ld.Linklookup(ld.Ctxt, ".linkedit.got", 0), uint32(s.Dynid))
	} else {
		ld.Diag("addgotsym: unsupported binary format")
	}
}

開發者ID:tidatida，項目名稱:go，代碼行數:21，代碼來源:asm.go

示例14: adddynrel

func adddynrel(s *ld.LSym, r *ld.Reloc) {
	targ := r.Sym
	ld.Ctxt.Cursym = s

	switch r.Type {
	default:
		if r.Type >= 256 {
			ld.Diag("unexpected relocation type %d", r.Type)
			return
		}

		// Handle relocations found in ELF object files.
	case 256 + ld.R_PPC64_REL24:
		r.Type = ld.R_CALLPOWER

		// This is a local call, so the caller isn't setting
		// up r12 and r2 is the same for the caller and
		// callee.  Hence, we need to go to the local entry
		// point.  (If we don't do this, the callee will try
		// to use r12 to compute r2.)
		r.Add += int64(r.Sym.Localentry) * 4

		if targ.Type == ld.SDYNIMPORT {
			// Should have been handled in elfsetupplt
			ld.Diag("unexpected R_PPC64_REL24 for dyn import")
		}

		return

	case 256 + ld.R_PPC64_ADDR64:
		r.Type = ld.R_ADDR
		if targ.Type == ld.SDYNIMPORT {
			// These happen in .toc sections
			adddynsym(ld.Ctxt, targ)

			rela := ld.Linklookup(ld.Ctxt, ".rela", 0)
			ld.Addaddrplus(ld.Ctxt, rela, s, int64(r.Off))
			ld.Adduint64(ld.Ctxt, rela, ld.ELF64_R_INFO(uint32(targ.Dynid), ld.R_PPC64_ADDR64))
			ld.Adduint64(ld.Ctxt, rela, uint64(r.Add))
			r.Type = 256 // ignore during relocsym
		}

		return

	case 256 + ld.R_PPC64_TOC16:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_LO | ld.RV_CHECK_OVERFLOW
		return

	case 256 + ld.R_PPC64_TOC16_LO:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_LO
		return

	case 256 + ld.R_PPC64_TOC16_HA:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_HA | ld.RV_CHECK_OVERFLOW
		return

	case 256 + ld.R_PPC64_TOC16_HI:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_HI | ld.RV_CHECK_OVERFLOW
		return

	case 256 + ld.R_PPC64_TOC16_DS:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_DS | ld.RV_CHECK_OVERFLOW
		return

	case 256 + ld.R_PPC64_TOC16_LO_DS:
		r.Type = ld.R_POWER_TOC
		r.Variant = ld.RV_POWER_DS
		return

	case 256 + ld.R_PPC64_REL16_LO:
		r.Type = ld.R_PCREL
		r.Variant = ld.RV_POWER_LO
		r.Add += 2 // Compensate for relocation size of 2
		return

	case 256 + ld.R_PPC64_REL16_HI:
		r.Type = ld.R_PCREL
		r.Variant = ld.RV_POWER_HI | ld.RV_CHECK_OVERFLOW
		r.Add += 2
		return

	case 256 + ld.R_PPC64_REL16_HA:
		r.Type = ld.R_PCREL
		r.Variant = ld.RV_POWER_HA | ld.RV_CHECK_OVERFLOW
		r.Add += 2
		return
	}

	// Handle references to ELF symbols from our own object files.
	if targ.Type != ld.SDYNIMPORT {
		return
	}

	// TODO(austin): Translate our relocations to ELF

//.........這裏部分代碼省略.........

開發者ID:klueska，項目名稱:go-akaros，代碼行數:101，代碼來源:asm.go

示例15: archrelocvariant

func archrelocvariant(r *ld.Reloc, s *ld.LSym, t int64) int64 {
	switch r.Variant & ld.RV_TYPE_MASK {
	default:
		ld.Diag("unexpected relocation variant %d", r.Variant)
		fallthrough

	case ld.RV_NONE:
		return t

	case ld.RV_POWER_LO:
		if r.Variant&ld.RV_CHECK_OVERFLOW != 0 {
			// Whether to check for signed or unsigned
			// overflow depends on the instruction
			var o1 uint32
			if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
				o1 = ld.Be32(s.P[r.Off-2:])
			} else {
				o1 = ld.Le32(s.P[r.Off:])
			}
			switch o1 >> 26 {
			case 24, // ori
				26, // xori
				28: // andi
				if t>>16 != 0 {
					goto overflow
				}

			default:
				if int64(int16(t)) != t {
					goto overflow
				}
			}
		}

		return int64(int16(t))

	case ld.RV_POWER_HA:
		t += 0x8000
		fallthrough

		// Fallthrough
	case ld.RV_POWER_HI:
		t >>= 16

		if r.Variant&ld.RV_CHECK_OVERFLOW != 0 {
			// Whether to check for signed or unsigned
			// overflow depends on the instruction
			var o1 uint32
			if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
				o1 = ld.Be32(s.P[r.Off-2:])
			} else {
				o1 = ld.Le32(s.P[r.Off:])
			}
			switch o1 >> 26 {
			case 25, // oris
				27, // xoris
				29: // andis
				if t>>16 != 0 {
					goto overflow
				}

			default:
				if int64(int16(t)) != t {
					goto overflow
				}
			}
		}

		return int64(int16(t))

	case ld.RV_POWER_DS:
		var o1 uint32
		if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
			o1 = uint32(ld.Be16(s.P[r.Off:]))
		} else {
			o1 = uint32(ld.Le16(s.P[r.Off:]))
		}
		if t&3 != 0 {
			ld.Diag("relocation for %s+%d is not aligned: %d", r.Sym.Name, r.Off, t)
		}
		if (r.Variant&ld.RV_CHECK_OVERFLOW != 0) && int64(int16(t)) != t {
			goto overflow
		}
		return int64(o1)&0x3 | int64(int16(t))
	}

overflow:
	ld.Diag("relocation for %s+%d is too big: %d", r.Sym.Name, r.Off, t)
	return t
}

開發者ID:klueska，項目名稱:go-akaros，代碼行數:90，代碼來源:asm.go

注：本文中的cmd/internal/ld.Diag函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。