1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 //go:build linux && (386 || arm)
9 // ELF32 structure definitions for use by the vDSO loader
20 type elfVerdef struct {
21 vd_version uint16 /* Version revision */
22 vd_flags uint16 /* Version information */
23 vd_ndx uint16 /* Version Index */
24 vd_cnt uint16 /* Number of associated aux entries */
25 vd_hash uint32 /* Version name hash value */
26 vd_aux uint32 /* Offset in bytes to verdaux array */
27 vd_next uint32 /* Offset in bytes to next verdef entry */
31 e_ident [_EI_NIDENT]byte /* Magic number and other info */
32 e_type uint16 /* Object file type */
33 e_machine uint16 /* Architecture */
34 e_version uint32 /* Object file version */
35 e_entry uint32 /* Entry point virtual address */
36 e_phoff uint32 /* Program header table file offset */
37 e_shoff uint32 /* Section header table file offset */
38 e_flags uint32 /* Processor-specific flags */
39 e_ehsize uint16 /* ELF header size in bytes */
40 e_phentsize uint16 /* Program header table entry size */
41 e_phnum uint16 /* Program header table entry count */
42 e_shentsize uint16 /* Section header table entry size */
43 e_shnum uint16 /* Section header table entry count */
44 e_shstrndx uint16 /* Section header string table index */
48 p_type uint32 /* Segment type */
49 p_offset uint32 /* Segment file offset */
50 p_vaddr uint32 /* Segment virtual address */
51 p_paddr uint32 /* Segment physical address */
52 p_filesz uint32 /* Segment size in file */
53 p_memsz uint32 /* Segment size in memory */
54 p_flags uint32 /* Segment flags */
55 p_align uint32 /* Segment alignment */
59 sh_name uint32 /* Section name (string tbl index) */
60 sh_type uint32 /* Section type */
61 sh_flags uint32 /* Section flags */
62 sh_addr uint32 /* Section virtual addr at execution */
63 sh_offset uint32 /* Section file offset */
64 sh_size uint32 /* Section size in bytes */
65 sh_link uint32 /* Link to another section */
66 sh_info uint32 /* Additional section information */
67 sh_addralign uint32 /* Section alignment */
68 sh_entsize uint32 /* Entry size if section holds table */
72 d_tag int32 /* Dynamic entry type */
73 d_val uint32 /* Integer value */
76 type elfVerdaux struct {
77 vda_name uint32 /* Version or dependency names */
78 vda_next uint32 /* Offset in bytes to next verdaux entry */