xref: /linux/include/uapi/linux/auxvec.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_AUXVEC_H
3 #define _UAPI_LINUX_AUXVEC_H
4 
5 #include <asm/auxvec.h>
6 
7 /* Symbolic values for the entries in the auxiliary table
8    put on the initial stack */
9 #define AT_NULL   0	/* end of vector */
10 #define AT_IGNORE 1	/* entry should be ignored */
11 #define AT_EXECFD 2	/* file descriptor of program */
12 #define AT_PHDR   3	/* program headers for program */
13 #define AT_PHENT  4	/* size of program header entry */
14 #define AT_PHNUM  5	/* number of program headers */
15 #define AT_PAGESZ 6	/* system page size */
16 #define AT_BASE   7	/* base address of interpreter */
17 #define AT_FLAGS  8	/* flags */
18 #define AT_ENTRY  9	/* entry point of program */
19 #define AT_NOTELF 10	/* program is not ELF */
20 #define AT_UID    11	/* real uid */
21 #define AT_EUID   12	/* effective uid */
22 #define AT_GID    13	/* real gid */
23 #define AT_EGID   14	/* effective gid */
24 #define AT_PLATFORM 15  /* string identifying CPU for optimizations */
25 #define AT_HWCAP  16    /* arch dependent hints at CPU capabilities */
26 #define AT_CLKTCK 17	/* frequency at which times() increments */
27 /* AT_* values 18 through 22 are reserved */
28 #define AT_SECURE 23   /* secure mode boolean */
29 #define AT_BASE_PLATFORM 24	/* string identifying real platform, may
30 				 * differ from AT_PLATFORM. */
31 #define AT_RANDOM 25	/* address of 16 random bytes */
32 #define AT_HWCAP2 26	/* extension of AT_HWCAP */
33 #define AT_RSEQ_FEATURE_SIZE	27	/* rseq supported feature size */
34 #define AT_RSEQ_ALIGN		28	/* rseq allocation alignment */
35 #define AT_HWCAP3 29	/* extension of AT_HWCAP */
36 #define AT_HWCAP4 30	/* extension of AT_HWCAP */
37 
38 #define AT_EXECFN  31	/* filename of program */
39 
40 #ifndef AT_MINSIGSTKSZ
41 #define AT_MINSIGSTKSZ	51	/* minimal stack size for signal delivery */
42 #endif
43 
44 #endif /* _UAPI_LINUX_AUXVEC_H */
45