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authorDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/linux/elf.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/elf.h')
-rw-r--r--include/linux/elf.h414
1 files changed, 1 insertions, 413 deletions
diff --git a/include/linux/elf.h b/include/linux/elf.h
index 59ef40650e1e..8c9048e33463 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -1,420 +1,9 @@
1#ifndef _LINUX_ELF_H 1#ifndef _LINUX_ELF_H
2#define _LINUX_ELF_H 2#define _LINUX_ELF_H
3 3
4#include <linux/types.h>
5#include <linux/elf-em.h>
6#ifdef __KERNEL__
7#include <asm/elf.h> 4#include <asm/elf.h>
8#endif 5#include <uapi/linux/elf.h>
9
10/* 32-bit ELF base types. */
11typedef __u32 Elf32_Addr;
12typedef __u16 Elf32_Half;
13typedef __u32 Elf32_Off;
14typedef __s32 Elf32_Sword;
15typedef __u32 Elf32_Word;
16
17/* 64-bit ELF base types. */
18typedef __u64 Elf64_Addr;
19typedef __u16 Elf64_Half;
20typedef __s16 Elf64_SHalf;
21typedef __u64 Elf64_Off;
22typedef __s32 Elf64_Sword;
23typedef __u32 Elf64_Word;
24typedef __u64 Elf64_Xword;
25typedef __s64 Elf64_Sxword;
26
27/* These constants are for the segment types stored in the image headers */
28#define PT_NULL 0
29#define PT_LOAD 1
30#define PT_DYNAMIC 2
31#define PT_INTERP 3
32#define PT_NOTE 4
33#define PT_SHLIB 5
34#define PT_PHDR 6
35#define PT_TLS 7 /* Thread local storage segment */
36#define PT_LOOS 0x60000000 /* OS-specific */
37#define PT_HIOS 0x6fffffff /* OS-specific */
38#define PT_LOPROC 0x70000000
39#define PT_HIPROC 0x7fffffff
40#define PT_GNU_EH_FRAME 0x6474e550
41
42#define PT_GNU_STACK (PT_LOOS + 0x474e551)
43
44/*
45 * Extended Numbering
46 *
47 * If the real number of program header table entries is larger than
48 * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
49 * section header at index 0, and PN_XNUM is set to e_phnum
50 * field. Otherwise, the section header at index 0 is zero
51 * initialized, if it exists.
52 *
53 * Specifications are available in:
54 *
55 * - Sun microsystems: Linker and Libraries.
56 * Part No: 817-1984-17, September 2008.
57 * URL: http://docs.sun.com/app/docs/doc/817-1984
58 *
59 * - System V ABI AMD64 Architecture Processor Supplement
60 * Draft Version 0.99.,
61 * May 11, 2009.
62 * URL: http://www.x86-64.org/
63 */
64#define PN_XNUM 0xffff
65
66/* These constants define the different elf file types */
67#define ET_NONE 0
68#define ET_REL 1
69#define ET_EXEC 2
70#define ET_DYN 3
71#define ET_CORE 4
72#define ET_LOPROC 0xff00
73#define ET_HIPROC 0xffff
74
75/* This is the info that is needed to parse the dynamic section of the file */
76#define DT_NULL 0
77#define DT_NEEDED 1
78#define DT_PLTRELSZ 2
79#define DT_PLTGOT 3
80#define DT_HASH 4
81#define DT_STRTAB 5
82#define DT_SYMTAB 6
83#define DT_RELA 7
84#define DT_RELASZ 8
85#define DT_RELAENT 9
86#define DT_STRSZ 10
87#define DT_SYMENT 11
88#define DT_INIT 12
89#define DT_FINI 13
90#define DT_SONAME 14
91#define DT_RPATH 15
92#define DT_SYMBOLIC 16
93#define DT_REL 17
94#define DT_RELSZ 18
95#define DT_RELENT 19
96#define DT_PLTREL 20
97#define DT_DEBUG 21
98#define DT_TEXTREL 22
99#define DT_JMPREL 23
100#define DT_ENCODING 32
101#define OLD_DT_LOOS 0x60000000
102#define DT_LOOS 0x6000000d
103#define DT_HIOS 0x6ffff000
104#define DT_VALRNGLO 0x6ffffd00
105#define DT_VALRNGHI 0x6ffffdff
106#define DT_ADDRRNGLO 0x6ffffe00
107#define DT_ADDRRNGHI 0x6ffffeff
108#define DT_VERSYM 0x6ffffff0
109#define DT_RELACOUNT 0x6ffffff9
110#define DT_RELCOUNT 0x6ffffffa
111#define DT_FLAGS_1 0x6ffffffb
112#define DT_VERDEF 0x6ffffffc
113#define DT_VERDEFNUM 0x6ffffffd
114#define DT_VERNEED 0x6ffffffe
115#define DT_VERNEEDNUM 0x6fffffff
116#define OLD_DT_HIOS 0x6fffffff
117#define DT_LOPROC 0x70000000
118#define DT_HIPROC 0x7fffffff
119
120/* This info is needed when parsing the symbol table */
121#define STB_LOCAL 0
122#define STB_GLOBAL 1
123#define STB_WEAK 2
124
125#define STT_NOTYPE 0
126#define STT_OBJECT 1
127#define STT_FUNC 2
128#define STT_SECTION 3
129#define STT_FILE 4
130#define STT_COMMON 5
131#define STT_TLS 6
132
133#define ELF_ST_BIND(x) ((x) >> 4)
134#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
135#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
136#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
137#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
138#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
139
140typedef struct dynamic{
141 Elf32_Sword d_tag;
142 union{
143 Elf32_Sword d_val;
144 Elf32_Addr d_ptr;
145 } d_un;
146} Elf32_Dyn;
147
148typedef struct {
149 Elf64_Sxword d_tag; /* entry tag value */
150 union {
151 Elf64_Xword d_val;
152 Elf64_Addr d_ptr;
153 } d_un;
154} Elf64_Dyn;
155
156/* The following are used with relocations */
157#define ELF32_R_SYM(x) ((x) >> 8)
158#define ELF32_R_TYPE(x) ((x) & 0xff)
159
160#define ELF64_R_SYM(i) ((i) >> 32)
161#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
162
163typedef struct elf32_rel {
164 Elf32_Addr r_offset;
165 Elf32_Word r_info;
166} Elf32_Rel;
167
168typedef struct elf64_rel {
169 Elf64_Addr r_offset; /* Location at which to apply the action */
170 Elf64_Xword r_info; /* index and type of relocation */
171} Elf64_Rel;
172
173typedef struct elf32_rela{
174 Elf32_Addr r_offset;
175 Elf32_Word r_info;
176 Elf32_Sword r_addend;
177} Elf32_Rela;
178
179typedef struct elf64_rela {
180 Elf64_Addr r_offset; /* Location at which to apply the action */
181 Elf64_Xword r_info; /* index and type of relocation */
182 Elf64_Sxword r_addend; /* Constant addend used to compute value */
183} Elf64_Rela;
184
185typedef struct elf32_sym{
186 Elf32_Word st_name;
187 Elf32_Addr st_value;
188 Elf32_Word st_size;
189 unsigned char st_info;
190 unsigned char st_other;
191 Elf32_Half st_shndx;
192} Elf32_Sym;
193
194typedef struct elf64_sym {
195 Elf64_Word st_name; /* Symbol name, index in string tbl */
196 unsigned char st_info; /* Type and binding attributes */
197 unsigned char st_other; /* No defined meaning, 0 */
198 Elf64_Half st_shndx; /* Associated section index */
199 Elf64_Addr st_value; /* Value of the symbol */
200 Elf64_Xword st_size; /* Associated symbol size */
201} Elf64_Sym;
202
203
204#define EI_NIDENT 16
205
206typedef struct elf32_hdr{
207 unsigned char e_ident[EI_NIDENT];
208 Elf32_Half e_type;
209 Elf32_Half e_machine;
210 Elf32_Word e_version;
211 Elf32_Addr e_entry; /* Entry point */
212 Elf32_Off e_phoff;
213 Elf32_Off e_shoff;
214 Elf32_Word e_flags;
215 Elf32_Half e_ehsize;
216 Elf32_Half e_phentsize;
217 Elf32_Half e_phnum;
218 Elf32_Half e_shentsize;
219 Elf32_Half e_shnum;
220 Elf32_Half e_shstrndx;
221} Elf32_Ehdr;
222
223typedef struct elf64_hdr {
224 unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */
225 Elf64_Half e_type;
226 Elf64_Half e_machine;
227 Elf64_Word e_version;
228 Elf64_Addr e_entry; /* Entry point virtual address */
229 Elf64_Off e_phoff; /* Program header table file offset */
230 Elf64_Off e_shoff; /* Section header table file offset */
231 Elf64_Word e_flags;
232 Elf64_Half e_ehsize;
233 Elf64_Half e_phentsize;
234 Elf64_Half e_phnum;
235 Elf64_Half e_shentsize;
236 Elf64_Half e_shnum;
237 Elf64_Half e_shstrndx;
238} Elf64_Ehdr;
239
240/* These constants define the permissions on sections in the program
241 header, p_flags. */
242#define PF_R 0x4
243#define PF_W 0x2
244#define PF_X 0x1
245
246typedef struct elf32_phdr{
247 Elf32_Word p_type;
248 Elf32_Off p_offset;
249 Elf32_Addr p_vaddr;
250 Elf32_Addr p_paddr;
251 Elf32_Word p_filesz;
252 Elf32_Word p_memsz;
253 Elf32_Word p_flags;
254 Elf32_Word p_align;
255} Elf32_Phdr;
256
257typedef struct elf64_phdr {
258 Elf64_Word p_type;
259 Elf64_Word p_flags;
260 Elf64_Off p_offset; /* Segment file offset */
261 Elf64_Addr p_vaddr; /* Segment virtual address */
262 Elf64_Addr p_paddr; /* Segment physical address */
263 Elf64_Xword p_filesz; /* Segment size in file */
264 Elf64_Xword p_memsz; /* Segment size in memory */
265 Elf64_Xword p_align; /* Segment alignment, file & memory */
266} Elf64_Phdr;
267
268/* sh_type */
269#define SHT_NULL 0
270#define SHT_PROGBITS 1
271#define SHT_SYMTAB 2
272#define SHT_STRTAB 3
273#define SHT_RELA 4
274#define SHT_HASH 5
275#define SHT_DYNAMIC 6
276#define SHT_NOTE 7
277#define SHT_NOBITS 8
278#define SHT_REL 9
279#define SHT_SHLIB 10
280#define SHT_DYNSYM 11
281#define SHT_NUM 12
282#define SHT_LOPROC 0x70000000
283#define SHT_HIPROC 0x7fffffff
284#define SHT_LOUSER 0x80000000
285#define SHT_HIUSER 0xffffffff
286
287/* sh_flags */
288#define SHF_WRITE 0x1
289#define SHF_ALLOC 0x2
290#define SHF_EXECINSTR 0x4
291#define SHF_MASKPROC 0xf0000000
292
293/* special section indexes */
294#define SHN_UNDEF 0
295#define SHN_LORESERVE 0xff00
296#define SHN_LOPROC 0xff00
297#define SHN_HIPROC 0xff1f
298#define SHN_ABS 0xfff1
299#define SHN_COMMON 0xfff2
300#define SHN_HIRESERVE 0xffff
301
302typedef struct elf32_shdr {
303 Elf32_Word sh_name;
304 Elf32_Word sh_type;
305 Elf32_Word sh_flags;
306 Elf32_Addr sh_addr;
307 Elf32_Off sh_offset;
308 Elf32_Word sh_size;
309 Elf32_Word sh_link;
310 Elf32_Word sh_info;
311 Elf32_Word sh_addralign;
312 Elf32_Word sh_entsize;
313} Elf32_Shdr;
314
315typedef struct elf64_shdr {
316 Elf64_Word sh_name; /* Section name, index in string tbl */
317 Elf64_Word sh_type; /* Type of section */
318 Elf64_Xword sh_flags; /* Miscellaneous section attributes */
319 Elf64_Addr sh_addr; /* Section virtual addr at execution */
320 Elf64_Off sh_offset; /* Section file offset */
321 Elf64_Xword sh_size; /* Size of section in bytes */
322 Elf64_Word sh_link; /* Index of another section */
323 Elf64_Word sh_info; /* Additional section information */
324 Elf64_Xword sh_addralign; /* Section alignment */
325 Elf64_Xword sh_entsize; /* Entry size if section holds table */
326} Elf64_Shdr;
327
328#define EI_MAG0 0 /* e_ident[] indexes */
329#define EI_MAG1 1
330#define EI_MAG2 2
331#define EI_MAG3 3
332#define EI_CLASS 4
333#define EI_DATA 5
334#define EI_VERSION 6
335#define EI_OSABI 7
336#define EI_PAD 8
337
338#define ELFMAG0 0x7f /* EI_MAG */
339#define ELFMAG1 'E'
340#define ELFMAG2 'L'
341#define ELFMAG3 'F'
342#define ELFMAG "\177ELF"
343#define SELFMAG 4
344
345#define ELFCLASSNONE 0 /* EI_CLASS */
346#define ELFCLASS32 1
347#define ELFCLASS64 2
348#define ELFCLASSNUM 3
349
350#define ELFDATANONE 0 /* e_ident[EI_DATA] */
351#define ELFDATA2LSB 1
352#define ELFDATA2MSB 2
353
354#define EV_NONE 0 /* e_version, EI_VERSION */
355#define EV_CURRENT 1
356#define EV_NUM 2
357
358#define ELFOSABI_NONE 0
359#define ELFOSABI_LINUX 3
360
361#ifndef ELF_OSABI
362#define ELF_OSABI ELFOSABI_NONE
363#endif
364
365/*
366 * Notes used in ET_CORE. Architectures export some of the arch register sets
367 * using the corresponding note types via the PTRACE_GETREGSET and
368 * PTRACE_SETREGSET requests.
369 */
370#define NT_PRSTATUS 1
371#define NT_PRFPREG 2
372#define NT_PRPSINFO 3
373#define NT_TASKSTRUCT 4
374#define NT_AUXV 6
375/*
376 * Note to userspace developers: size of NT_SIGINFO note may increase
377 * in the future to accomodate more fields, don't assume it is fixed!
378 */
379#define NT_SIGINFO 0x53494749
380#define NT_FILE 0x46494c45
381#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
382#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
383#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
384#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
385#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
386#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
387#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
388#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
389#define NT_S390_TIMER 0x301 /* s390 timer register */
390#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
391#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
392#define NT_S390_CTRS 0x304 /* s390 control registers */
393#define NT_S390_PREFIX 0x305 /* s390 prefix register */
394#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
395#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
396#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
397#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
398#define NT_ARM_TLS 0x401 /* ARM TLS register */
399#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
400#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */
401
402
403/* Note header in a PT_NOTE section */
404typedef struct elf32_note {
405 Elf32_Word n_namesz; /* Name size */
406 Elf32_Word n_descsz; /* Content size */
407 Elf32_Word n_type; /* Content type */
408} Elf32_Nhdr;
409
410/* Note header in a PT_NOTE section */
411typedef struct elf64_note {
412 Elf64_Word n_namesz; /* Name size */
413 Elf64_Word n_descsz; /* Content size */
414 Elf64_Word n_type; /* Content type */
415} Elf64_Nhdr;
416 6
417#ifdef __KERNEL__
418#ifndef elf_read_implies_exec 7#ifndef elf_read_implies_exec
419 /* Executables for which elf_read_implies_exec() returns TRUE will 8 /* Executables for which elf_read_implies_exec() returns TRUE will
420 have the READ_IMPLIES_EXEC personality flag set automatically. 9 have the READ_IMPLIES_EXEC personality flag set automatically.
@@ -455,5 +44,4 @@ static inline int elf_coredump_extra_notes_write(struct file *file,
455extern int elf_coredump_extra_notes_size(void); 44extern int elf_coredump_extra_notes_size(void);
456extern int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset); 45extern int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset);
457#endif 46#endif
458#endif /* __KERNEL__ */
459#endif /* _LINUX_ELF_H */ 47#endif /* _LINUX_ELF_H */
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