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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && (386 || arm)
// +build linux
// +build 386 arm
package runtime
// ELF32 structure definitions for use by the vDSO loader
type elfSym struct {
st_name uint32
st_value uint32
st_size uint32
st_info byte
st_other byte
st_shndx uint16
}
type elfVerdef struct {
vd_version uint16 /* Version revision */
vd_flags uint16 /* Version information */
vd_ndx uint16 /* Version Index */
vd_cnt uint16 /* Number of associated aux entries */
vd_hash uint32 /* Version name hash value */
vd_aux uint32 /* Offset in bytes to verdaux array */
vd_next uint32 /* Offset in bytes to next verdef entry */
}
type elfEhdr struct {
e_ident [_EI_NIDENT]byte /* Magic number and other info */
e_type uint16 /* Object file type */
e_machine uint16 /* Architecture */
e_version uint32 /* Object file version */
e_entry uint32 /* Entry point virtual address */
e_phoff uint32 /* Program header table file offset */
e_shoff uint32 /* Section header table file offset */
e_flags uint32 /* Processor-specific flags */
e_ehsize uint16 /* ELF header size in bytes */
e_phentsize uint16 /* Program header table entry size */
e_phnum uint16 /* Program header table entry count */
e_shentsize uint16 /* Section header table entry size */
e_shnum uint16 /* Section header table entry count */
e_shstrndx uint16 /* Section header string table index */
}
type elfPhdr struct {
p_type uint32 /* Segment type */
p_offset uint32 /* Segment file offset */
p_vaddr uint32 /* Segment virtual address */
p_paddr uint32 /* Segment physical address */
p_filesz uint32 /* Segment size in file */
p_memsz uint32 /* Segment size in memory */
p_flags uint32 /* Segment flags */
p_align uint32 /* Segment alignment */
}
type elfShdr struct {
sh_name uint32 /* Section name (string tbl index) */
sh_type uint32 /* Section type */
sh_flags uint32 /* Section flags */
sh_addr uint32 /* Section virtual addr at execution */
sh_offset uint32 /* Section file offset */
sh_size uint32 /* Section size in bytes */
sh_link uint32 /* Link to another section */
sh_info uint32 /* Additional section information */
sh_addralign uint32 /* Section alignment */
sh_entsize uint32 /* Entry size if section holds table */
}
type elfDyn struct {
d_tag int32 /* Dynamic entry type */
d_val uint32 /* Integer value */
}
type elfVerdaux struct {
vda_name uint32 /* Version or dependency names */
vda_next uint32 /* Offset in bytes to next verdaux entry */
}
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