36f454820e
Use __ as a separator for the method names, self, new/delete, use stdint.h types, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
#ifndef _CTF_H
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#define _CTF_H
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#include <stdint.h>
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struct ctf_header {
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uint16_t ctf_magic; /* Header magic value */
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#define CTF_MAGIC 0xcff1
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#define CTF_MAGIC_SWAP 0xf1cf
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uint8_t ctf_version; /* Header version */
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#define CTF_VERSION 2
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uint8_t ctf_flags; /* Header flags */
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#define CTF_FLAGS_COMPR 0x01
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uint32_t ctf_parent_label; /* Label of parent CTF object */
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uint32_t ctf_parent_name; /* Name of parent CTF object */
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/* All offsets are in bytes are relative to the end of
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* this header.
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*/
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uint32_t ctf_label_off; /* Offset of label section */
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uint32_t ctf_object_off; /* Offset of data object section */
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uint32_t ctf_func_off; /* Offset of function section */
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uint32_t ctf_type_off; /* Offset of type section */
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uint32_t ctf_str_off; /* Offset of string section */
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uint32_t ctf_str_len; /* Length of string section */
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};
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#define CTF_REF_OFFSET(REF) ((REF) & 0x7fffffff)
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#define CTF_REF_TBL_ID(REF) (((REF) >> 31) & 0x1)
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#define CTF_STR_TBL_ID_0 0
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#define CTF_STR_TBL_ID_1 1
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#define CTF_REF_ENCODE(TBL, OFF) (((TBL) << 31) | (OFF))
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struct ctf_label_ent {
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uint32_t ctf_label_ref;
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uint32_t ctf_type_index;
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};
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/* Types are encoded with ctf_short_type so long as the ctf_size
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* field can be fully represented in a uint16_t. If not, then
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* the ctf_size is given the value 0xffff and ctf_full_type is
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* used.
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*/
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struct ctf_short_type {
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uint32_t ctf_name;
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uint16_t ctf_info;
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union {
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uint16_t ctf_size;
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uint16_t ctf_type;
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};
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};
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struct ctf_full_type {
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struct ctf_short_type base;
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uint32_t ctf_size_high;
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uint32_t ctf_size_low;
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};
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#define CTF_GET_KIND(VAL) (((VAL) >> 11) & 0x1f)
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#define CTF_GET_VLEN(VAL) ((VAL) & 0x3ff)
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#define CTF_ISROOT(VAL) (((VAL) & 0x400) != 0)
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#define CTF_INFO_ENCODE(KIND, VLEN, ISROOT) \
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(((ISROOT) ? 0x400 : 0) | ((KIND) << 11) | (VLEN))
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#define CTF_TYPE_KIND_UNKN 0 /* Unknown */
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#define CTF_TYPE_KIND_INT 1 /* Integer */
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#define CTF_TYPE_KIND_FLT 2 /* Float */
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#define CTF_TYPE_KIND_PTR 3 /* Pointer */
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#define CTF_TYPE_KIND_ARR 4 /* Array */
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#define CTF_TYPE_KIND_FUNC 5 /* Function */
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#define CTF_TYPE_KIND_STR 6 /* Struct */
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#define CTF_TYPE_KIND_UNION 7 /* Union */
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#define CTF_TYPE_KIND_ENUM 8 /* Enumeration */
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#define CTF_TYPE_KIND_FWD 9 /* Forward */
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#define CTF_TYPE_KIND_TYPDEF 10 /* Typedef */
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#define CTF_TYPE_KIND_VOLATILE 11 /* Volatile */
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#define CTF_TYPE_KIND_CONST 12 /* Const */
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#define CTF_TYPE_KIND_RESTRICT 13 /* Restrict */
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#define CTF_TYPE_KIND_MAX 31
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#define CTF_TYPE_INT_ATTRS(VAL) ((VAL) >> 24)
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#define CTF_TYPE_INT_OFFSET(VAL) (((VAL) >> 16) & 0xff)
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#define CTF_TYPE_INT_BITS(VAL) ((VAL) & 0xffff)
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#define CTF_TYPE_INT_ENCODE(ATTRS, OFF, BITS) \
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(((ATTRS) << 24) | ((OFF) << 16) | (BITS))
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/* Integer type attributes */
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#define CTF_TYPE_INT_SIGNED 0x1
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#define CTF_TYPE_INT_CHAR 0x2
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#define CTF_TYPE_INT_BOOL 0x4
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#define CTF_TYPE_INT_VARARGS 0x8
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#define CTF_TYPE_FP_ATTRS(VAL) ((VAL) >> 24)
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#define CTF_TYPE_FP_OFFSET(VAL) (((VAL) >> 16) & 0xff)
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#define CTF_TYPE_FP_BITS(VAL) ((VAL) & 0xffff)
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#define CTF_TYPE_FP_ENCODE(ATTRS, OFF, BITS) \
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(((ATTRS) << 24) | ((OFF) << 16) | (BITS))
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/* Possible values for the float type attribute field */
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#define CTF_TYPE_FP_SINGLE 1
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#define CTF_TYPE_FP_DOUBLE 2
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#define CTF_TYPE_FP_CMPLX 3
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#define CTF_TYPE_FP_CMPLX_DBL 4
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#define CTF_TYPE_FP_CMPLX_LDBL 5
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#define CTF_TYPE_FP_LDBL 6
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#define CTF_TYPE_FP_INTVL 7
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#define CTF_TYPE_FP_INTVL_DBL 8
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#define CTF_TYPE_FP_INTVL_LDBL 9
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#define CTF_TYPE_FP_IMGRY 10
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#define CTF_TYPE_FP_IMGRY_DBL 11
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#define CTF_TYPE_FP_IMGRY_LDBL 12
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#define CTF_TYPE_FP_MAX 12
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struct ctf_enum {
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uint32_t ctf_enum_name;
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uint32_t ctf_enum_val;
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};
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struct ctf_array {
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uint16_t ctf_array_type;
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uint16_t ctf_array_index_type;
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uint32_t ctf_array_nelems;
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};
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/* Struct members are encoded with either ctf_short_member or
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* ctf_full_member, depending upon the 'size' of the struct or
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* union being defined. If it is less than CTF_SHORT_MEMBER_LIMIT
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* then ctf_short_member objects are used to encode, else
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* ctf_full_member is used.
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*/
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#define CTF_SHORT_MEMBER_LIMIT 8192
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struct ctf_short_member {
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uint32_t ctf_member_name;
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uint16_t ctf_member_type;
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uint16_t ctf_member_offset;
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};
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struct ctf_full_member {
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uint32_t ctf_member_name;
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uint16_t ctf_member_type;
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uint16_t ctf_member_unused;
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uint32_t ctf_member_offset_high;
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uint32_t ctf_member_offset_low;
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};
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#endif /* _CTF_H */
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