Golang ld.Diag函數代碼示例

本文整理匯總了Golang中cmd/link/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 == obj.SHOSTOBJ || r.Type == obj.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.Extnum)
		if v == 0 {
			ld.Diag("reloc %d to symbol %s in non-macho section %s type=%d", r.Type, rs.Name, rs.Sect.Name, rs.Type)
			return -1
		}
	}

	switch r.Type {
	default:
		return -1

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

	case obj.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 obj.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:sreis，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 == obj.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.Extnum)
		if v == 0 {
			ld.Diag("reloc %d to symbol %s in non-macho section %s type=%d", r.Type, rs.Name, rs.Sect.Name, rs.Type)
			return -1
		}
	}

	switch r.Type {
	default:
		return -1

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

	case obj.R_CALL,
		obj.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:PikeTheCrow，項目名稱:go，代碼行數:55，代碼來源:asm.go

示例3: archrelocaddr

func archrelocaddr(r *ld.Reloc, s *ld.LSym, val *int64) int {
	var o1, o2 uint32
	if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
		o1 = uint32(*val >> 32)
		o2 = uint32(*val)
	} else {
		o1 = uint32(*val)
		o2 = uint32(*val >> 32)
	}

	// We are inserting an address into two instructions: adrp and
	// then either addi or a load.
	address := ld.Symaddr(r.Sym) + r.Add
	pgaddress := (address &^ 0xfff) - ((s.Value + int64(r.Off)) &^ 0xfff)
	if pgaddress < -1<<31 || pgaddress >= 1<<31 {
		ld.Ctxt.Diag("relocation for %s is too big (>=2G): %d", s.Name, pgaddress)
	}
	pgoff := uint32(address & 0xfff)
	o1 |= uint32((((pgaddress >> 12) & 3) << 29) | (((pgaddress >> 12 >> 2) & 0x7ffff) << 5))

	switch r.Type {
	case obj.R_ADDRARM64, obj.R_ARM64_LOAD8:
		o2 |= pgoff << 10

	case obj.R_ARM64_LOAD16:
		if pgoff&0x1 != 0 {
			ld.Diag("offset for 16-byte load/store has unaligned value %d", pgoff)
		}
		o2 |= pgoff << 9

	case obj.R_ARM64_LOAD32:
		if pgoff&0x3 != 0 {
			ld.Diag("offset for 32-byte load/store has unaligned value %d", pgoff)
		}
		o2 |= pgoff << 8

	case obj.R_ARM64_LOAD64:
		if pgoff&0x7 != 0 {
			ld.Diag("offset for 64-byte load/store has unaligned value %d", pgoff)
		}
		o2 |= pgoff << 7

	default:
		return -1
	}

	if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
		*val = int64(o1)<<32 | int64(o2)
	} else {
		*val = int64(o2)<<32 | int64(o1)
	}
	return 0
}

開發者ID:Ryezhang，項目名稱:go，代碼行數:53，代碼來源:asm.go

示例4: 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 obj.R_ADDR:
		v = ld.IMAGE_REL_I386_DIR32

	case obj.R_CALL,
		obj.R_PCREL:
		v = ld.IMAGE_REL_I386_REL32
	}

	ld.Thearch.Wput(uint16(v))

	return true
}

開發者ID:PikeTheCrow，項目名稱:go，代碼行數:29，代碼來源:asm.go

示例5: archrelocvariant

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

	case ld.RV_NONE:
		return t

	case ld.RV_390_DBL:
		if (t & 1) != 0 {
			ld.Diag("%s+%v is not 2-byte aligned", r.Sym.Name, r.Sym.Value)
		}
		return t >> 1
	}
}

開發者ID:Mokolea，項目名稱:go，代碼行數:16，代碼來源:asm.go

示例6: addpltsym

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

	ld.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 == obj.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:PikeTheCrow，項目名稱:go，代碼行數:59，代碼來源:asm.go

示例7: archreloc

func archreloc(r *ld.Reloc, s *ld.LSym, val *int64) int {
	if ld.Linkmode == ld.LinkExternal {
		// TODO(minux): translate R_ADDRPOWER and R_CALLPOWER into standard ELF relocations.
		// R_ADDRPOWER corresponds to R_PPC_ADDR16_HA and R_PPC_ADDR16_LO.
		// R_CALLPOWER corresponds to R_PPC_REL24.
		return -1
	}

	switch r.Type {
	case obj.R_CONST:
		*val = r.Add
		return 0

	case obj.R_GOTOFF:
		*val = ld.Symaddr(r.Sym) + r.Add - ld.Symaddr(ld.Linklookup(ld.Ctxt, ".got", 0))
		return 0

	case obj.R_ADDRPOWER, obj.R_ADDRPOWER_DS:
		return archrelocaddr(r, s, val)

	case obj.R_CALLPOWER:
		// Bits 6 through 29 = (S + A - P) >> 2

		t := ld.Symaddr(r.Sym) + r.Add - (s.Value + int64(r.Off))
		if t&3 != 0 {
			ld.Ctxt.Diag("relocation for %s+%d is not aligned: %d", r.Sym.Name, r.Off, t)
		}
		if int64(int32(t<<6)>>6) != t {
			// TODO(austin) This can happen if text > 32M.
			// Add a call trampoline to .text in that case.
			ld.Ctxt.Diag("relocation for %s+%d is too big: %d", r.Sym.Name, r.Off, t)
		}

		*val |= int64(uint32(t) &^ 0xfc000003)
		return 0

	case obj.R_POWER_TOC: // S + A - .TOC.
		*val = ld.Symaddr(r.Sym) + r.Add - symtoc(s)

		return 0

	case obj.R_POWER_TLS_LE:
		// The thread pointer points 0x7000 bytes after the start of the the
		// thread local storage area as documented in section "3.7.2 TLS
		// Runtime Handling" of "Power Architecture 64-Bit ELF V2 ABI
		// Specification".
		v := r.Sym.Value - 0x7000
		if int64(int16(v)) != v {
			ld.Diag("TLS offset out of range %d", v)
		}
		*val = (*val &^ 0xffff) | (v & 0xffff)
		return 0
	}

	return -1
}

開發者ID:jonmorehouse，項目名稱:go，代碼行數:56，代碼來源:asm.go

示例8: 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:noscripter，項目名稱:go，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.Symbol) int64 {
	var toc *ld.Symbol

	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:Mokolea，項目名稱:go，代碼行數:17，代碼來源:asm.go

示例10: archreloc

func archreloc(r *ld.Reloc, s *ld.LSym, val *int64) int {
	if ld.Linkmode == ld.LinkExternal {
		return -1
	}

	switch r.Type {
	case obj.R_CONST:
		*val = r.Add
		return 0

	case obj.R_GOTOFF:
		*val = ld.Symaddr(r.Sym) + r.Add - ld.Symaddr(ld.Linklookup(ld.Ctxt, ".got", 0))
		return 0

	case obj.R_ADDRMIPS:
		t := ld.Symaddr(r.Sym) + r.Add
		if t >= 1<<32 || t < -1<<32 {
			ld.Diag("program too large, address relocation = %v", t)
		}

		// the first instruction is always at the lower address, this is endian neutral;
		// but note that o1 and o2 should still use the target endian.
		o1 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off:])
		o2 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off+4:])
		o1 = o1&0xffff0000 | uint32(t>>16)&0xffff
		o2 = o2&0xffff0000 | uint32(t)&0xffff

		// when laid out, the instruction order must always be o1, o2.
		if ld.Ctxt.Arch.ByteOrder == binary.BigEndian {
			*val = int64(o1)<<32 | int64(o2)
		} else {
			*val = int64(o2)<<32 | int64(o1)
		}
		return 0

	case obj.R_CALLMIPS,
		obj.R_JMPMIPS:
		// Low 26 bits = (S + A) >> 2
		t := ld.Symaddr(r.Sym) + r.Add
		o1 := ld.Thelinkarch.ByteOrder.Uint32(s.P[r.Off:])
		*val = int64(o1&0xfc000000 | uint32(t>>2)&^0xfc000000)
		return 0
	}

	return -1
}

開發者ID:danny8002，項目名稱:go，代碼行數:46，代碼來源:asm.go

示例11: addgotsym

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

	ld.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:noscripter，項目名稱:go，代碼行數:18，代碼來源:asm.go

示例12: addpltsym

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

	ld.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 = obj.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:Mokolea，項目名稱:go，代碼行數:44，代碼來源:asm.go

示例13: addgotsym

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

	ld.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_390_GLOB_DAT))
		ld.Adduint64(ld.Ctxt, rela, 0)
	} else {
		ld.Diag("addgotsym: unsupported binary format")
	}
}

開發者ID:Mokolea，項目名稱:go，代碼行數:19，代碼來源:asm.go

示例14: addgotsym

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

	ld.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 == obj.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:sreis，項目名稱:go，代碼行數:21，代碼來源:asm.go

示例15: addpltsym

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

	ld.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()
		}

		// .got entry
		s.Got = int32(got.Size)

		// In theory, all GOT should point to the first PLT entry,
		// Linux/ARM's dynamic linker will do that for us, but FreeBSD/ARM's
		// dynamic linker won't, so we'd better do it ourselves.
		ld.Addaddrplus(ctxt, got, plt, 0)

		// .plt entry, this depends on the .got entry
		s.Plt = int32(plt.Size)

		addpltreloc(ctxt, plt, got, s, obj.R_PLT0) // add lr, pc, #0xXX00000
		addpltreloc(ctxt, plt, got, s, obj.R_PLT1) // add lr, lr, #0xYY000
		addpltreloc(ctxt, plt, got, s, obj.R_PLT2) // ldr pc, [lr, #0xZZZ]!

		// rel
		ld.Addaddrplus(ctxt, rel, got, int64(s.Got))

		ld.Adduint32(ctxt, rel, ld.ELF32_R_INFO(uint32(s.Dynid), ld.R_ARM_JUMP_SLOT))
	} else {
		ld.Diag("addpltsym: unsupported binary format")
	}
}

開發者ID:noscripter，項目名稱:go，代碼行數:38，代碼來源:asm.go

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