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. */
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 (see <ctf.h>). */
+ ctf_type_t dtd_data; /* Type node: name left unpopulated. */
union
{
ctf_list_t dtu_members; /* struct, union, or enum */
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; /* 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 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
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_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_hash_t *ctf_structs; /* Hash table of struct 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. */
- const unsigned char *ctf_base; /* Base of CTF header + uncompressed buffer. */
- const unsigned char *ctf_buf; /* Uncompressed CTF data buffer. */
+ 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. */
+ 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. */
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). */
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. */
- size_t ctf_dtvstrlen; /* Total length of dynamic type+var strings. */
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. */
+ ctf_dynhash_t *ctf_link_inputs; /* Inputs to this link. */
+ ctf_dynhash_t *ctf_link_outputs; /* Additional outputs from this link. */
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(). */
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 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 const char *ctf_str_add (ctf_file_t *, const char *);
+extern const char *ctf_str_add_ref (ctf_file_t *, const char *, uint32_t *ref);
+extern const char *ctf_str_add_external (ctf_file_t *, const char *, uint32_t offset);
+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_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 *);
+extern ctf_file_t *ctf_bufopen_internal (const ctf_sect_t *, const ctf_sect_t *,
+ const ctf_sect_t *, ctf_dynhash_t *,
+ int *);
+
_libctf_malloc_
extern void *ctf_mmap (size_t length, size_t offset, int fd);
extern void ctf_munmap (void *, size_t);
_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 *);
projects / deliverable / binutils-gdb.git / blobdiff