187 lines
4.7 KiB
C
187 lines
4.7 KiB
C
/* $OpenBSD: ctf.h,v 1.5 2017/08/13 14:56:05 nayden Exp $ */
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/*
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* Copyright (c) 2016 Martin Pieuchot <mpi@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SYS_CTF_H_
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#define _SYS_CTF_H_
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/*
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* CTF ``Compact ANSI-C Type Format'' ABI header file.
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*/
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struct ctf_header {
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uint16_t cth_magic;
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uint8_t cth_version;
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uint8_t cth_flags;
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uint32_t cth_parlabel;
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uint32_t cth_parname;
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uint32_t cth_lbloff;
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uint32_t cth_objtoff;
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uint32_t cth_funcoff;
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uint32_t cth_typeoff;
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uint32_t cth_stroff;
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uint32_t cth_strlen;
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};
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#define CTF_F_COMPRESS (1 << 0) /* zlib compression */
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struct ctf_lblent {
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uint32_t ctl_label;
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uint32_t ctl_typeidx;
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};
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struct ctf_stype {
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uint32_t cts_name;
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uint16_t cts_info;
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union {
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uint16_t _size;
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uint16_t _type;
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} _ST;
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#define cts_size _ST._size
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#define cts_type _ST._type
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};
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struct ctf_type {
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struct ctf_stype _ctt_stype;
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#define ctt_name _ctt_stype.cts_name
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#define ctt_info _ctt_stype.cts_info
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#define ctt_size _ctt_stype.cts_size
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#define ctt_type _ctt_stype.cts_type
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uint32_t ctt_lsizehi;
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uint32_t ctt_lsizelo;
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};
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struct ctf_array {
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uint16_t cta_contents;
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uint16_t cta_index;
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uint32_t cta_nelems;
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};
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struct ctf_member {
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uint32_t ctm_name;
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uint16_t ctm_type;
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uint16_t ctm_offset;
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};
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struct ctf_lmember {
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struct ctf_member _ctlm_member;
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#define ctlm_name _ctlm_member.ctm_name
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#define ctlm_type _ctlm_member.ctm_type
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#define ctlm_pad0 _ctlm_member.ctm_offset
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uint32_t ctlm_offsethi;
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uint32_t ctlm_offsetlo;
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};
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#define CTF_LSTRUCT_THRESH 8192
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struct ctf_enum {
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uint32_t cte_name;
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int32_t cte_value;
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};
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#define CTF_MAGIC 0xcff1
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#define CTF_VERSION 2
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#define CTF_MAX_NAME 0x7fffffff
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#define CTF_MAX_VLEN 0x03ff
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#define CTF_MAX_SIZE 0xfffe
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#define CTF_LSIZE_SENT CTF_MAX_SIZE+1 /* sentinel for cts vs ctt */
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#define CTF_STRTAB_0 0
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#define CTF_STRTAB_1 1
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/*
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* Info macro.
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*/
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#define CTF_INFO_VLEN(i) (((i) & CTF_MAX_VLEN))
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#define CTF_INFO_ISROOT(i) (((i) & 0x0400) >> 10)
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#define CTF_INFO_KIND(i) (((i) & 0xf800) >> 11)
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#define CTF_K_UNKNOWN 0
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#define CTF_K_INTEGER 1
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#define CTF_K_FLOAT 2
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#define CTF_K_POINTER 3
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#define CTF_K_ARRAY 4
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#define CTF_K_FUNCTION 5
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#define CTF_K_STRUCT 6
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#define CTF_K_UNION 7
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#define CTF_K_ENUM 8
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#define CTF_K_FORWARD 9
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#define CTF_K_TYPEDEF 10
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#define CTF_K_VOLATILE 11
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#define CTF_K_CONST 12
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#define CTF_K_RESTRICT 13
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#define CTF_K_MAX 31
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/*
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* Integer/Float Encoding macro.
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*/
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#define _CTF_ENCODING(e) (((e) & 0xff000000) >> 24)
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#define _CTF_OFFSET(e) (((e) & 0x00ff0000) >> 16)
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#define _CTF_BITS(e) (((e) & 0x0000ffff))
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#define _CTF_DATA(encoding, offset, bits) \
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(((encoding) << 24) | ((offset) << 16) | (bits))
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#define CTF_INT_ENCODING(e) _CTF_ENCODING(e)
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#define CTF_INT_SIGNED (1 << 0)
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#define CTF_INT_CHAR (1 << 1)
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#define CTF_INT_BOOL (1 << 2)
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#define CTF_INT_VARARGS (1 << 3)
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#define CTF_INT_OFFSET(e) _CTF_OFFSET(e)
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#define CTF_INT_BITS(e) _CTF_BITS(e)
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#define CTF_INT_DATA(e, o, b) _CTF_DATA(e, o, b)
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#define CTF_FP_ENCODING(e) _CTF_ENCODING(e)
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#define CTF_FP_SINGLE 1
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#define CTF_FP_DOUBLE 2
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#define CTF_FP_CPLX 3
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#define CTF_FP_DCPLX 4
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#define CTF_FP_LDCPLX 5
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#define CTF_FP_LDOUBLE 6
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#define CTF_FP_INTRVL 7
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#define CTF_FP_DINTRVL 8
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#define CTF_FP_LDINTRVL 9
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#define CTF_FP_IMAGRY 10
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#define CTF_FP_DIMAGRY 11
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#define CTF_FP_LDIMAGRY 12
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#define CTF_FP_OFFSET(e) _CTF_OFFSET(e)
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#define CTF_FP_BITS(e) _CTF_BITS(e)
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#define CTF_FP_DATA(e, o, b) _CTF_DATA(e, o, b)
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/*
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* Name reference macro.
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*/
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#define CTF_NAME_STID(n) ((n) >> 31)
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#define CTF_NAME_OFFSET(n) ((n) & CTF_MAX_NAME)
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/*
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* Type macro.
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*/
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#define CTF_SIZE_TO_LSIZE_HI(s) ((uint32_t)((uint64_t)(s) >> 32))
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#define CTF_SIZE_TO_LSIZE_LO(s) ((uint32_t)(s))
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#define CTF_TYPE_LSIZE(t) \
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(((uint64_t)(t)->ctt_lsizehi) << 32 | (t)->ctt_lsizelo)
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/*
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* Member macro.
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*/
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#define CTF_LMEM_OFFSET(m) \
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(((uint64_t)(m)->ctlm_offsethi) << 32 | (m)->ctlm_offsetlo)
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#define CTF_OFFSET_TO_LMEMHI(off) ((uint32_t)((uint64_t)(off) >> 32))
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#define CTF_OFFSET_TO_LMEMLO(off) ((uint32_t)(off))
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#endif /* _SYS_CTF_H_ */
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