#define _CTF_IMPL_H
#include "config.h"
-#include <sys/errno.h>
+#include <errno.h>
+#include "ctf-decls.h"
#include <ctf-api.h>
#include <sys/types.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <elf.h>
+#include <bfd.h>
#ifdef __cplusplus
extern "C"
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_lookup
+{
+ const char *ctl_prefix; /* String prefix for this lookup. */
+ size_t ctl_len; /* Length of prefix string in bytes. */
+ ctf_hash_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. */
+ char *dtd_name; /* Name associated with definition (if any). */
+ ctf_id_t dtd_type; /* Type identifier for this definition. */
+ ctf_type_t dtd_data; /* Type node: name left unpopulated. */
+ 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. */
+ 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 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. */
+ 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. */
+ void *ctf_data_mmapped; /* CTF data we mmapped, to free later. */
+ size_t ctf_data_mmapped_len; /* Length of CTF data we mmapped. */
+ ctf_hash_t *ctf_structs; /* Hash table of struct types. */
+ ctf_hash_t *ctf_unions; /* Hash table of union types. */
+ ctf_hash_t *ctf_enums; /* Hash table of enum types. */
+ ctf_hash_t *ctf_names; /* Hash table of remaining type names. */
+ ctf_lookup_t ctf_lookups[5]; /* Pointers to hashes 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. */
+ const unsigned char *ctf_base; /* Base of CTF header + uncompressed buffer. */
+ const 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. */
+ 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). */
+ 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_dynhash_t *ctf_dtbyname; /* DTDs, indexed by name. */
+ 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_dtnextid; /* Next dynamic type id to assign. */
+ 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. */
+ 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;
+ 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) \
+ ((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 const ctf_type_t *ctf_lookup_by_id (ctf_file_t **, ctf_id_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);
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 void ctf_dynhash_remove (ctf_dynhash_t *, const void *);
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_prepend (ctf_list_t *, void *);
extern void ctf_list_delete (ctf_list_t *, void *);
+extern int ctf_dtd_insert (ctf_file_t *, ctf_dtdef_t *);
+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_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_strraw (ctf_file_t *, uint32_t);
extern const char *ctf_strptr (ctf_file_t *, uint32_t);
-
+extern int ctf_str_create_atoms (ctf_file_t *);
+extern void ctf_str_free_atoms (ctf_file_t *);
+extern const char *ctf_str_add (ctf_file_t *, const char *);
+extern const char *ctf_str_add_ref (ctf_file_t *, const char *, uint32_t *);
+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 *ctf_arc_open_internal (const char *, int *);
+extern struct ctf_archive *ctf_arc_bufopen (const void *, size_t, int *);
+extern void ctf_arc_close_internal (struct ctf_archive *);
extern void *ctf_set_open_errno (int *, int);
-extern long ctf_set_errno (ctf_file_t *, int);
-
-_libctf_malloc_
-extern void *ctf_data_alloc (size_t);
-extern void ctf_data_free (void *, size_t);
-extern void ctf_data_protect (void *, size_t);
+extern unsigned long ctf_set_errno (ctf_file_t *, int);
_libctf_malloc_
extern void *ctf_mmap (size_t length, size_t offset, int fd);
_libctf_malloc_
extern void *ctf_alloc (size_t);
extern void ctf_free (void *);
+extern void *ctf_realloc (ctf_file_t *, void *, size_t);
_libctf_malloc_
extern char *ctf_strdup (const char *);
extern char *ctf_str_append (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
projects / deliverable / binutils-gdb.git / blobdiff