Enum cranelift_codegen::binemit::Reloc

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pub enum Reloc {
Show 27 variants Abs4, Abs8, X86PCRel4, X86CallPCRel4, X86CallPLTRel4, X86GOTPCRel4, X86SecRel, Arm32Call, Arm64Call, S390xPCRel32Dbl, S390xPLTRel32Dbl, ElfX86_64TlsGd, MachOX86_64Tlv, MachOAarch64TlsAdrPage21, MachOAarch64TlsAdrPageOff12, Aarch64TlsDescAdrPage21, Aarch64TlsDescLd64Lo12, Aarch64TlsDescAddLo12, Aarch64TlsDescCall, Aarch64AdrGotPage21, Aarch64Ld64GotLo12Nc, RiscvCallPlt, RiscvTlsGdHi20, RiscvPCRelLo12I, RiscvGotHi20, S390xTlsGd64, S390xTlsGdCall,
}
Expand description

Relocation kinds for every ISA

Variants§

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Abs4

absolute 4-byte

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Abs8

absolute 8-byte

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X86PCRel4

x86 PC-relative 4-byte

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X86CallPCRel4

x86 call to PC-relative 4-byte

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X86CallPLTRel4

x86 call to PLT-relative 4-byte

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X86GOTPCRel4

x86 GOT PC-relative 4-byte

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X86SecRel

The 32-bit offset of the target from the beginning of its section. Equivalent to IMAGE_REL_AMD64_SECREL. See: PE Format

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Arm32Call

Arm32 call target

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Arm64Call

Arm64 call target. Encoded as bottom 26 bits of instruction. This value is sign-extended, multiplied by 4, and added to the PC of the call instruction to form the destination address.

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S390xPCRel32Dbl

s390x PC-relative 4-byte offset

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S390xPLTRel32Dbl

s390x PC-relative 4-byte offset to PLT

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ElfX86_64TlsGd

Elf x86_64 32 bit signed PC relative offset to two GOT entries for GD symbol.

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MachOX86_64Tlv

Mach-O x86_64 32 bit signed PC relative offset to a __thread_vars entry.

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MachOAarch64TlsAdrPage21

Mach-O Aarch64 TLS PC-relative distance to the page of the TLVP slot.

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MachOAarch64TlsAdrPageOff12

Mach-O Aarch64 TLS Offset within page of TLVP slot.

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Aarch64TlsDescAdrPage21

Aarch64 TLSDESC Adr Page21 This is equivalent to R_AARCH64_TLSDESC_ADR_PAGE21 in the aaelf64

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Aarch64TlsDescLd64Lo12

Aarch64 TLSDESC Ld64 Lo12 This is equivalent to R_AARCH64_TLSDESC_LD64_LO12 in the aaelf64

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Aarch64TlsDescAddLo12

Aarch64 TLSDESC Add Lo12 This is equivalent to R_AARCH64_TLSGD_ADD_LO12 in the aaelf64

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Aarch64TlsDescCall

Aarch64 TLSDESC Call This is equivalent to R_AARCH64_TLSDESC_CALL in the aaelf64

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Aarch64AdrGotPage21

AArch64 GOT Page Set the immediate value of an ADRP to bits 32:12 of X; check that –2^32 <= X < 2^32 This is equivalent to R_AARCH64_ADR_GOT_PAGE (311) in the aaelf64

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Aarch64Ld64GotLo12Nc

AArch64 GOT Low bits Set the LD/ST immediate field to bits 11:3 of X. No overflow check; check that X&7 = 0 This is equivalent to R_AARCH64_LD64_GOT_LO12_NC (312) in the aaelf64

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RiscvCallPlt

RISC-V Call PLT: 32-bit PC-relative function call, macros call, tail (PIC)

Despite having PLT in the name, this relocation is also used for normal calls. The non-PLT version of this relocation has been deprecated.

This is the R_RISCV_CALL_PLT relocation from the RISC-V ELF psABI document. https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#procedure-calls

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RiscvTlsGdHi20

RISC-V TLS GD: High 20 bits of 32-bit PC-relative TLS GD GOT reference,

This is the R_RISCV_TLS_GD_HI20 relocation from the RISC-V ELF psABI document. https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#global-dynamic

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RiscvPCRelLo12I

Low 12 bits of a 32-bit PC-relative relocation (I-Type instruction)

This is the R_RISCV_PCREL_LO12_I relocation from the RISC-V ELF psABI document. https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#pc-relative-symbol-addresses

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RiscvGotHi20

High 20 bits of a 32-bit PC-relative GOT offset relocation

This is the R_RISCV_GOT_HI20 relocation from the RISC-V ELF psABI document. https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#pc-relative-symbol-addresses

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S390xTlsGd64

s390x TLS GD64 - 64-bit offset of tls_index for GD symbol in GOT

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S390xTlsGdCall

s390x TLS GDCall - marker to enable optimization of TLS calls

Trait Implementations§

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impl Clone for Reloc

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fn clone(&self) -> Reloc

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Reloc

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for Reloc

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Display trait implementation drops the arch, since its used in contexts where the arch is already unambiguous, e.g. clif syntax with isa specified. In other contexts, use Debug.

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impl PartialEq for Reloc

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fn eq(&self, other: &Reloc) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for Reloc

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impl Eq for Reloc

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impl StructuralPartialEq for Reloc

Auto Trait Implementations§

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impl Freeze for Reloc

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impl RefUnwindSafe for Reloc

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impl Send for Reloc

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impl Sync for Reloc

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impl Unpin for Reloc

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impl UnwindSafe for Reloc

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.