| /* Implementation header. |
| Copyright (C) 2019-2020 Free Software Foundation, Inc. |
| |
| This file is part of libctf. |
| |
| libctf is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| This program is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _CTF_IMPL_H |
| #define _CTF_IMPL_H |
| |
| #include "config.h" |
| #include <errno.h> |
| #include <sys/param.h> |
| #include "ctf-decls.h" |
| #include <ctf-api.h> |
| #include <sys/types.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdint.h> |
| #include <limits.h> |
| #include <ctype.h> |
| #include <elf.h> |
| #include <bfd.h> |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /* Compiler attributes. */ |
| |
| #if defined (__GNUC__) |
| |
| /* GCC. We assume that all compilers claiming to be GCC support sufficiently |
| many GCC attributes that the code below works. If some non-GCC compilers |
| masquerading as GCC in fact do not implement these attributes, version checks |
| may be required. */ |
| |
| /* We use the _libctf_*_ pattern to avoid clashes with any future attribute |
| macros glibc may introduce, which have names of the pattern |
| __attribute_blah__. */ |
| |
| #define _libctf_printflike_(string_index,first_to_check) \ |
| __attribute__ ((__format__ (__printf__, (string_index), (first_to_check)))) |
| #define _libctf_unlikely_(x) __builtin_expect ((x), 0) |
| #define _libctf_unused_ __attribute__ ((__unused__)) |
| #define _libctf_malloc_ __attribute__((__malloc__)) |
| |
| #else |
| |
| #define _libctf_printflike_(string_index,first_to_check) |
| #define _libctf_unlikely_(x) (x) |
| #define _libctf_unused_ |
| #define _libctf_malloc_ |
| |
| #endif |
| |
| /* libctf in-memory state. */ |
| |
| typedef struct ctf_fixed_hash ctf_hash_t; /* Private to ctf-hash.c. */ |
| typedef struct ctf_dynhash ctf_dynhash_t; /* Private to ctf-hash.c. */ |
| |
| typedef struct ctf_strs |
| { |
| const char *cts_strs; /* Base address of string table. */ |
| size_t cts_len; /* Size of string table in bytes. */ |
| } ctf_strs_t; |
| |
| typedef struct ctf_strs_writable |
| { |
| char *cts_strs; /* Base address of string table. */ |
| size_t cts_len; /* Size of string table in bytes. */ |
| } ctf_strs_writable_t; |
| |
| typedef struct ctf_dmodel |
| { |
| const char *ctd_name; /* Data model name. */ |
| int ctd_code; /* Data model code. */ |
| size_t ctd_pointer; /* Size of void * in bytes. */ |
| size_t ctd_char; /* Size of char in bytes. */ |
| size_t ctd_short; /* Size of short in bytes. */ |
| size_t ctd_int; /* Size of int in bytes. */ |
| size_t ctd_long; /* Size of long in bytes. */ |
| } ctf_dmodel_t; |
| |
| typedef struct ctf_names |
| { |
| ctf_hash_t *ctn_readonly; /* Hash table when readonly. */ |
| ctf_dynhash_t *ctn_writable; /* Hash table when writable. */ |
| } ctf_names_t; |
| |
| typedef struct ctf_lookup |
| { |
| const char *ctl_prefix; /* String prefix for this lookup. */ |
| size_t ctl_len; /* Length of prefix string in bytes. */ |
| ctf_names_t *ctl_hash; /* Pointer to hash table for lookup. */ |
| } ctf_lookup_t; |
| |
| typedef struct ctf_fileops |
| { |
| uint32_t (*ctfo_get_kind) (uint32_t); |
| uint32_t (*ctfo_get_root) (uint32_t); |
| uint32_t (*ctfo_get_vlen) (uint32_t); |
| ssize_t (*ctfo_get_ctt_size) (const ctf_file_t *, const ctf_type_t *, |
| ssize_t *, ssize_t *); |
| ssize_t (*ctfo_get_vbytes) (unsigned short, ssize_t, size_t); |
| } ctf_fileops_t; |
| |
| typedef struct ctf_list |
| { |
| struct ctf_list *l_prev; /* Previous pointer or tail pointer. */ |
| struct ctf_list *l_next; /* Next pointer or head pointer. */ |
| } ctf_list_t; |
| |
| typedef enum |
| { |
| CTF_PREC_BASE, |
| CTF_PREC_POINTER, |
| CTF_PREC_ARRAY, |
| CTF_PREC_FUNCTION, |
| CTF_PREC_MAX |
| } ctf_decl_prec_t; |
| |
| typedef struct ctf_decl_node |
| { |
| ctf_list_t cd_list; /* Linked list pointers. */ |
| ctf_id_t cd_type; /* Type identifier. */ |
| uint32_t cd_kind; /* Type kind. */ |
| uint32_t cd_n; /* Type dimension if array. */ |
| } ctf_decl_node_t; |
| |
| typedef struct ctf_decl |
| { |
| ctf_list_t cd_nodes[CTF_PREC_MAX]; /* Declaration node stacks. */ |
| int cd_order[CTF_PREC_MAX]; /* Storage order of decls. */ |
| ctf_decl_prec_t cd_qualp; /* Qualifier precision. */ |
| ctf_decl_prec_t cd_ordp; /* Ordered precision. */ |
| char *cd_buf; /* Buffer for output. */ |
| int cd_err; /* Saved error value. */ |
| int cd_enomem; /* Nonzero if OOM during printing. */ |
| } ctf_decl_t; |
| |
| typedef struct ctf_dmdef |
| { |
| ctf_list_t dmd_list; /* List forward/back pointers. */ |
| char *dmd_name; /* Name of this member. */ |
| ctf_id_t dmd_type; /* Type of this member (for sou). */ |
| unsigned long dmd_offset; /* Offset of this member in bits (for sou). */ |
| int dmd_value; /* Value of this member (for enum). */ |
| } ctf_dmdef_t; |
| |
| typedef struct ctf_dtdef |
| { |
| ctf_list_t dtd_list; /* List forward/back pointers. */ |
| ctf_id_t dtd_type; /* Type identifier for this definition. */ |
| ctf_type_t dtd_data; /* Type node, including name. */ |
| union |
| { |
| ctf_list_t dtu_members; /* struct, union, or enum */ |
| ctf_arinfo_t dtu_arr; /* array */ |
| ctf_encoding_t dtu_enc; /* integer or float */ |
| ctf_id_t *dtu_argv; /* function */ |
| ctf_slice_t dtu_slice; /* slice */ |
| } dtd_u; |
| } ctf_dtdef_t; |
| |
| typedef struct ctf_dvdef |
| { |
| ctf_list_t dvd_list; /* List forward/back pointers. */ |
| char *dvd_name; /* Name associated with variable. */ |
| ctf_id_t dvd_type; /* Type of variable. */ |
| unsigned long dvd_snapshots; /* Snapshot count when inserted. */ |
| } ctf_dvdef_t; |
| |
| typedef struct ctf_bundle |
| { |
| ctf_file_t *ctb_file; /* CTF container handle. */ |
| ctf_id_t ctb_type; /* CTF type identifier. */ |
| ctf_dtdef_t *ctb_dtd; /* CTF dynamic type definition (if any). */ |
| } ctf_bundle_t; |
| |
| /* Atoms associate strings with a list of the CTF items that reference that |
| string, so that ctf_update() can instantiate all the strings using the |
| ctf_str_atoms and then reassociate them with the real string later. |
| |
| Strings can be interned into ctf_str_atom without having refs associated |
| with them, for values that are returned to callers, etc. Items are only |
| removed from this table on ctf_close(), but on every ctf_update(), all the |
| csa_refs in all entries are purged. */ |
| |
| typedef struct ctf_str_atom |
| { |
| const char *csa_str; /* Backpointer to string (hash key). */ |
| ctf_list_t csa_refs; /* This string's refs. */ |
| uint32_t csa_offset; /* Strtab offset, if any. */ |
| uint32_t csa_external_offset; /* External strtab offset, if any. */ |
| unsigned long csa_snapshot_id; /* Snapshot ID at time of creation. */ |
| } ctf_str_atom_t; |
| |
| /* The refs of a single string in the atoms table. */ |
| |
| typedef struct ctf_str_atom_ref |
| { |
| ctf_list_t caf_list; /* List forward/back pointers. */ |
| uint32_t *caf_ref; /* A single ref to this string. */ |
| } ctf_str_atom_ref_t; |
| |
| /* The structure used as the key in a ctf_link_type_mapping, which lets the |
| linker machinery determine which type IDs on the input side of a link map to |
| which types on the output side. (The value is a ctf_id_t: another |
| index, not a type.) */ |
| |
| typedef struct ctf_link_type_mapping_key |
| { |
| ctf_file_t *cltm_fp; |
| ctf_id_t cltm_idx; |
| } ctf_link_type_mapping_key_t; |
| |
| /* The ctf_file is the structure used to represent a CTF container to library |
| clients, who see it only as an opaque pointer. Modifications can therefore |
| be made freely to this structure without regard to client versioning. The |
| ctf_file_t typedef appears in <ctf-api.h> and declares a forward tag. |
| |
| NOTE: ctf_update() requires that everything inside of ctf_file either be an |
| immediate value, a pointer to dynamically allocated data *outside* of the |
| ctf_file itself, or a pointer to statically allocated data. If you add a |
| pointer to ctf_file that points to something within the ctf_file itself, |
| you must make corresponding changes to ctf_update(). */ |
| |
| struct ctf_file |
| { |
| const ctf_fileops_t *ctf_fileops; /* Version-specific file operations. */ |
| struct ctf_header *ctf_header; /* The header from this CTF file. */ |
| unsigned char ctf_openflags; /* Flags the file had when opened. */ |
| ctf_sect_t ctf_data; /* CTF data from object file. */ |
| ctf_sect_t ctf_symtab; /* Symbol table from object file. */ |
| ctf_sect_t ctf_strtab; /* String table from object file. */ |
| ctf_dynhash_t *ctf_prov_strtab; /* Maps provisional-strtab offsets |
| to names. */ |
| ctf_dynhash_t *ctf_syn_ext_strtab; /* Maps ext-strtab offsets to names. */ |
| void *ctf_data_mmapped; /* CTF data we mmapped, to free later. */ |
| size_t ctf_data_mmapped_len; /* Length of CTF data we mmapped. */ |
| ctf_names_t ctf_structs; /* Hash table of struct types. */ |
| ctf_names_t ctf_unions; /* Hash table of union types. */ |
| ctf_names_t ctf_enums; /* Hash table of enum types. */ |
| ctf_names_t ctf_names; /* Hash table of remaining type names. */ |
| ctf_lookup_t ctf_lookups[5]; /* Pointers to nametabs for name lookup. */ |
| ctf_strs_t ctf_str[2]; /* Array of string table base and bounds. */ |
| ctf_dynhash_t *ctf_str_atoms; /* Hash table of ctf_str_atoms_t. */ |
| uint64_t ctf_str_num_refs; /* Number of refs to cts_str_atoms. */ |
| uint32_t ctf_str_prov_offset; /* Latest provisional offset assigned so far. */ |
| unsigned char *ctf_base; /* CTF file pointer. */ |
| unsigned char *ctf_dynbase; /* Freeable CTF file pointer. */ |
| unsigned char *ctf_buf; /* Uncompressed CTF data buffer. */ |
| size_t ctf_size; /* Size of CTF header + uncompressed data. */ |
| uint32_t *ctf_sxlate; /* Translation table for symtab entries. */ |
| unsigned long ctf_nsyms; /* Number of entries in symtab xlate table. */ |
| uint32_t *ctf_txlate; /* Translation table for type IDs. */ |
| uint32_t *ctf_ptrtab; /* Translation table for pointer-to lookups. */ |
| size_t ctf_ptrtab_len; /* Num types storable in ptrtab currently. */ |
| struct ctf_varent *ctf_vars; /* Sorted variable->type mapping. */ |
| unsigned long ctf_nvars; /* Number of variables in ctf_vars. */ |
| unsigned long ctf_typemax; /* Maximum valid type ID number. */ |
| const ctf_dmodel_t *ctf_dmodel; /* Data model pointer (see above). */ |
| const char *ctf_cuname; /* Compilation unit name (if any). */ |
| char *ctf_dyncuname; /* Dynamically allocated name of CU. */ |
| struct ctf_file *ctf_parent; /* Parent CTF container (if any). */ |
| const char *ctf_parlabel; /* Label in parent container (if any). */ |
| const char *ctf_parname; /* Basename of parent (if any). */ |
| char *ctf_dynparname; /* Dynamically allocated name of parent. */ |
| uint32_t ctf_parmax; /* Highest type ID of a parent type. */ |
| uint32_t ctf_refcnt; /* Reference count (for parent links). */ |
| uint32_t ctf_flags; /* Libctf flags (see below). */ |
| int ctf_errno; /* Error code for most recent error. */ |
| int ctf_version; /* CTF data version. */ |
| ctf_dynhash_t *ctf_dthash; /* Hash of dynamic type definitions. */ |
| ctf_list_t ctf_dtdefs; /* List of dynamic type definitions. */ |
| ctf_dynhash_t *ctf_dvhash; /* Hash of dynamic variable mappings. */ |
| ctf_list_t ctf_dvdefs; /* List of dynamic variable definitions. */ |
| unsigned long ctf_dtoldid; /* Oldest id that has been committed. */ |
| unsigned long ctf_snapshots; /* ctf_snapshot() plus ctf_update() count. */ |
| unsigned long ctf_snapshot_lu; /* ctf_snapshot() call count at last update. */ |
| ctf_archive_t *ctf_archive; /* Archive this ctf_file_t came from. */ |
| ctf_dynhash_t *ctf_link_inputs; /* Inputs to this link. */ |
| ctf_dynhash_t *ctf_link_outputs; /* Additional outputs from this link. */ |
| ctf_dynhash_t *ctf_link_type_mapping; /* Map input types to output types. */ |
| ctf_dynhash_t *ctf_link_cu_mapping; /* Map CU names to CTF dict names. */ |
| /* Allow the caller to Change the name of link archive members. */ |
| ctf_link_memb_name_changer_f *ctf_link_memb_name_changer; |
| void *ctf_link_memb_name_changer_arg; /* Argument for it. */ |
| ctf_dynhash_t *ctf_add_processing; /* Types ctf_add_type is working on now. */ |
| char *ctf_tmp_typeslice; /* Storage for slicing up type names. */ |
| size_t ctf_tmp_typeslicelen; /* Size of the typeslice. */ |
| void *ctf_specific; /* Data for ctf_get/setspecific(). */ |
| }; |
| |
| /* An abstraction over both a ctf_file_t and a ctf_archive_t. */ |
| |
| struct ctf_archive_internal |
| { |
| int ctfi_is_archive; |
| ctf_file_t *ctfi_file; |
| struct ctf_archive *ctfi_archive; |
| ctf_sect_t ctfi_symsect; |
| ctf_sect_t ctfi_strsect; |
| int ctfi_free_symsect; |
| void *ctfi_data; |
| bfd *ctfi_abfd; /* Optional source of section data. */ |
| void (*ctfi_bfd_close) (struct ctf_archive_internal *); |
| }; |
| |
| /* Return x rounded up to an alignment boundary. |
| eg, P2ROUNDUP(0x1234, 0x100) == 0x1300 (0x13*align) |
| eg, P2ROUNDUP(0x5600, 0x100) == 0x5600 (0x56*align) */ |
| #define P2ROUNDUP(x, align) (-(-(x) & -(align))) |
| |
| /* * If an offs is not aligned already then round it up and align it. */ |
| #define LCTF_ALIGN_OFFS(offs, align) ((offs + (align - 1)) & ~(align - 1)) |
| |
| #define LCTF_TYPE_ISPARENT(fp, id) ((id) <= fp->ctf_parmax) |
| #define LCTF_TYPE_ISCHILD(fp, id) ((id) > fp->ctf_parmax) |
| #define LCTF_TYPE_TO_INDEX(fp, id) ((id) & (fp->ctf_parmax)) |
| #define LCTF_INDEX_TO_TYPE(fp, id, child) (child ? ((id) | (fp->ctf_parmax+1)) : \ |
| (id)) |
| |
| #define LCTF_INDEX_TO_TYPEPTR(fp, i) \ |
| ((fp->ctf_flags & LCTF_RDWR) ? \ |
| &(ctf_dtd_lookup (fp, LCTF_INDEX_TO_TYPE \ |
| (fp, i, fp->ctf_flags & LCTF_CHILD))->dtd_data) : \ |
| (ctf_type_t *)((uintptr_t)(fp)->ctf_buf + (fp)->ctf_txlate[(i)])) |
| |
| #define LCTF_INFO_KIND(fp, info) ((fp)->ctf_fileops->ctfo_get_kind(info)) |
| #define LCTF_INFO_ISROOT(fp, info) ((fp)->ctf_fileops->ctfo_get_root(info)) |
| #define LCTF_INFO_VLEN(fp, info) ((fp)->ctf_fileops->ctfo_get_vlen(info)) |
| #define LCTF_VBYTES(fp, kind, size, vlen) \ |
| ((fp)->ctf_fileops->ctfo_get_vbytes(kind, size, vlen)) |
| |
| static inline ssize_t ctf_get_ctt_size (const ctf_file_t *fp, |
| const ctf_type_t *tp, |
| ssize_t *sizep, |
| ssize_t *incrementp) |
| { |
| return (fp->ctf_fileops->ctfo_get_ctt_size (fp, tp, sizep, incrementp)); |
| } |
| |
| #define LCTF_CHILD 0x0001 /* CTF container is a child */ |
| #define LCTF_RDWR 0x0002 /* CTF container is writable */ |
| #define LCTF_DIRTY 0x0004 /* CTF container has been modified */ |
| |
| extern ctf_names_t *ctf_name_table (ctf_file_t *, int); |
| extern const ctf_type_t *ctf_lookup_by_id (ctf_file_t **, ctf_id_t); |
| extern ctf_id_t ctf_lookup_by_rawname (ctf_file_t *, int, const char *); |
| extern ctf_id_t ctf_lookup_by_rawhash (ctf_file_t *, ctf_names_t *, const char *); |
| extern void ctf_set_ctl_hashes (ctf_file_t *); |
| |
| typedef unsigned int (*ctf_hash_fun) (const void *ptr); |
| extern unsigned int ctf_hash_integer (const void *ptr); |
| extern unsigned int ctf_hash_string (const void *ptr); |
| extern unsigned int ctf_hash_type_mapping_key (const void *ptr); |
| |
| typedef int (*ctf_hash_eq_fun) (const void *, const void *); |
| extern int ctf_hash_eq_integer (const void *, const void *); |
| extern int ctf_hash_eq_string (const void *, const void *); |
| extern int ctf_hash_eq_type_mapping_key (const void *, const void *); |
| |
| typedef void (*ctf_hash_free_fun) (void *); |
| |
| typedef void (*ctf_hash_iter_f) (void *key, void *value, void *arg); |
| typedef int (*ctf_hash_iter_remove_f) (void *key, void *value, void *arg); |
| |
| extern ctf_hash_t *ctf_hash_create (unsigned long, ctf_hash_fun, ctf_hash_eq_fun); |
| extern int ctf_hash_insert_type (ctf_hash_t *, ctf_file_t *, uint32_t, uint32_t); |
| extern int ctf_hash_define_type (ctf_hash_t *, ctf_file_t *, uint32_t, uint32_t); |
| extern ctf_id_t ctf_hash_lookup_type (ctf_hash_t *, ctf_file_t *, const char *); |
| extern uint32_t ctf_hash_size (const ctf_hash_t *); |
| extern void ctf_hash_destroy (ctf_hash_t *); |
| |
| extern ctf_dynhash_t *ctf_dynhash_create (ctf_hash_fun, ctf_hash_eq_fun, |
| ctf_hash_free_fun, ctf_hash_free_fun); |
| extern int ctf_dynhash_insert (ctf_dynhash_t *, void *, void *); |
| extern void ctf_dynhash_remove (ctf_dynhash_t *, const void *); |
| extern void ctf_dynhash_empty (ctf_dynhash_t *); |
| extern void *ctf_dynhash_lookup (ctf_dynhash_t *, const void *); |
| extern void ctf_dynhash_destroy (ctf_dynhash_t *); |
| extern void ctf_dynhash_iter (ctf_dynhash_t *, ctf_hash_iter_f, void *); |
| extern void ctf_dynhash_iter_remove (ctf_dynhash_t *, ctf_hash_iter_remove_f, |
| void *); |
| |
| #define ctf_list_prev(elem) ((void *)(((ctf_list_t *)(elem))->l_prev)) |
| #define ctf_list_next(elem) ((void *)(((ctf_list_t *)(elem))->l_next)) |
| |
| extern void ctf_list_append (ctf_list_t *, void *); |
| extern void ctf_list_prepend (ctf_list_t *, void *); |
| extern void ctf_list_delete (ctf_list_t *, void *); |
| extern int ctf_list_empty_p (ctf_list_t *lp); |
| |
| extern int ctf_dtd_insert (ctf_file_t *, ctf_dtdef_t *, int flag, int kind); |
| extern void ctf_dtd_delete (ctf_file_t *, ctf_dtdef_t *); |
| extern ctf_dtdef_t *ctf_dtd_lookup (const ctf_file_t *, ctf_id_t); |
| extern ctf_dtdef_t *ctf_dynamic_type (const ctf_file_t *, ctf_id_t); |
| |
| extern int ctf_dvd_insert (ctf_file_t *, ctf_dvdef_t *); |
| extern void ctf_dvd_delete (ctf_file_t *, ctf_dvdef_t *); |
| extern ctf_dvdef_t *ctf_dvd_lookup (const ctf_file_t *, const char *); |
| |
| extern void ctf_add_type_mapping (ctf_file_t *src_fp, ctf_id_t src_type, |
| ctf_file_t *dst_fp, ctf_id_t dst_type); |
| extern ctf_id_t ctf_type_mapping (ctf_file_t *src_fp, ctf_id_t src_type, |
| ctf_file_t **dst_fp); |
| |
| extern void ctf_decl_init (ctf_decl_t *); |
| extern void ctf_decl_fini (ctf_decl_t *); |
| extern void ctf_decl_push (ctf_decl_t *, ctf_file_t *, ctf_id_t); |
| |
| _libctf_printflike_ (2, 3) |
| extern void ctf_decl_sprintf (ctf_decl_t *, const char *, ...); |
| extern char *ctf_decl_buf (ctf_decl_t *cd); |
| |
| extern const char *ctf_strptr (ctf_file_t *, uint32_t); |
| extern const char *ctf_strraw (ctf_file_t *, uint32_t); |
| extern const char *ctf_strraw_explicit (ctf_file_t *, uint32_t, |
| ctf_strs_t *); |
| extern int ctf_str_create_atoms (ctf_file_t *); |
| extern void ctf_str_free_atoms (ctf_file_t *); |
| extern uint32_t ctf_str_add (ctf_file_t *, const char *); |
| extern uint32_t ctf_str_add_ref (ctf_file_t *, const char *, uint32_t *ref); |
| extern int ctf_str_add_external (ctf_file_t *, const char *, uint32_t offset); |
| extern void ctf_str_remove_ref (ctf_file_t *, const char *, uint32_t *ref); |
| extern void ctf_str_rollback (ctf_file_t *, ctf_snapshot_id_t); |
| extern void ctf_str_purge_refs (ctf_file_t *); |
| extern ctf_strs_writable_t ctf_str_write_strtab (ctf_file_t *); |
| |
| extern struct ctf_archive_internal *ctf_new_archive_internal |
| (int is_archive, struct ctf_archive *arc, |
| ctf_file_t *fp, const ctf_sect_t *symsect, |
| const ctf_sect_t *strsect, int *errp); |
| extern struct ctf_archive *ctf_arc_open_internal (const char *, int *); |
| extern void ctf_arc_close_internal (struct ctf_archive *); |
| extern void *ctf_set_open_errno (int *, int); |
| extern unsigned long ctf_set_errno (ctf_file_t *, int); |
| |
| extern ctf_file_t *ctf_simple_open_internal (const char *, size_t, const char *, |
| size_t, size_t, |
| const char *, size_t, |
| ctf_dynhash_t *, int, int *); |
| extern ctf_file_t *ctf_bufopen_internal (const ctf_sect_t *, const ctf_sect_t *, |
| const ctf_sect_t *, ctf_dynhash_t *, |
| int, int *); |
| extern int ctf_serialize (ctf_file_t *); |
| |
| _libctf_malloc_ |
| extern void *ctf_mmap (size_t length, size_t offset, int fd); |
| extern void ctf_munmap (void *, size_t); |
| extern ssize_t ctf_pread (int fd, void *buf, ssize_t count, off_t offset); |
| |
| extern void *ctf_realloc (ctf_file_t *, void *, size_t); |
| extern char *ctf_str_append (char *, const char *); |
| extern char *ctf_str_append_noerr (char *, const char *); |
| extern const char *ctf_strerror (int); |
| |
| extern ctf_id_t ctf_type_resolve_unsliced (ctf_file_t *, ctf_id_t); |
| extern int ctf_type_kind_unsliced (ctf_file_t *, ctf_id_t); |
| |
| _libctf_printflike_ (1, 2) |
| extern void ctf_dprintf (const char *, ...); |
| extern void libctf_init_debug (void); |
| |
| extern Elf64_Sym *ctf_sym_to_elf64 (const Elf32_Sym *src, Elf64_Sym *dst); |
| extern const char *ctf_lookup_symbol_name (ctf_file_t *fp, unsigned long symidx); |
| |
| /* Variables, all underscore-prepended. */ |
| |
| extern const char _CTF_SECTION[]; /* name of CTF ELF section */ |
| extern const char _CTF_NULLSTR[]; /* empty string */ |
| |
| extern int _libctf_version; /* library client version */ |
| extern int _libctf_debug; /* debugging messages enabled */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _CTF_IMPL_H */ |