uint32_t st_value;
} ctf_link_sym_t;
-/* Indication of how to share types when linking. */
+/* Flags applying to this specific link. */
/* Share all types that are not in conflict. The default. */
#define CTF_LINK_SHARE_UNCONFLICTED 0x0
-/* Share only types that are used by multiple inputs. Not implemented yet. */
+/* Share only types that are used by multiple inputs. */
#define CTF_LINK_SHARE_DUPLICATED 0x1
+/* Do a nondeduplicating link. */
+#define CTF_LINK_NONDEDUP 0x2
+
+/* Create empty outputs for all registered CU mappings even if no types are
+ emitted into them. */
+#define CTF_LINK_EMPTY_CU_MAPPINGS 0x4
+
+/* Omit the content of the variables section. */
+#define CTF_LINK_OMIT_VARIABLES_SECTION 0x8
+
/* Symbolic names for CTF sections. */
typedef enum ctf_sect_names
ECTF_DUMPSECTUNKNOWN, /* Unknown section number in dump. */
ECTF_DUMPSECTCHANGED, /* Section changed in middle of dump. */
ECTF_NOTYET, /* Feature not yet implemented. */
- ECTF_INTERNAL, /* Internal error in link. */
- ECTF_NONREPRESENTABLE /* Type not representable in CTF. */
+ ECTF_INTERNAL, /* Internal error: assertion failure. */
+ ECTF_NONREPRESENTABLE, /* Type not representable in CTF. */
+ ECTF_NEXT_END, /* End of iteration. */
+ ECTF_NEXT_WRONGFUN, /* Wrong iteration function called. */
+ ECTF_NEXT_WRONGFP, /* Iteration entity changed in mid-iterate. */
+ ECTF_FLAGS, /* CTF header contains flags unknown to libctf. */
+ ECTF_NEEDSBFD /* This feature needs a libctf with BFD support. */
};
-#define ECTF_NERR (ECTF_NONREPRESENTABLE - ECTF_BASE + 1) /* Count of CTF errors. */
+#define ECTF_NERR (ECTF_NEEDSBFD - ECTF_BASE + 1) /* Count of CTF errors. */
/* The CTF data model is inferred to be the caller's data model or the data
model of the given object, unless ctf_setmodel() is explicitly called. */
#define CTF_ADD_NONROOT 0 /* Type only visible in nested scope. */
#define CTF_ADD_ROOT 1 /* Type visible at top-level scope. */
-/* These typedefs are used to define the signature for callback functions
- that can be used with the iteration and visit functions below. */
+/* These typedefs are used to define the signature for callback functions that
+ can be used with the iteration and visit functions below. There is also a
+ family of iteration functions that do not require callbacks. */
typedef int ctf_visit_f (const char *name, ctf_id_t type, unsigned long offset,
int depth, void *arg);
typedef struct ctf_dump_state ctf_dump_state_t;
+/* Iteration state for the _next() functions, and allocators/copiers/freers for
+ it. (None of these are needed for the simple case of iterating to the end:
+ the _next() function allocate and free the iterators for you.) */
+
+typedef struct ctf_next ctf_next_t;
+extern ctf_next_t *ctf_next_create (void);
+extern void ctf_next_destroy (ctf_next_t *);
+extern ctf_next_t *ctf_next_copy (ctf_next_t *);
+
/* Opening. These mostly return an abstraction over both CTF files and CTF
archives: so they can be used to open both. CTF files will appear to be an
archive with one member named '.ctf'. The low-level functions
size_t, const char *, size_t, int *);
extern ctf_file_t *ctf_bufopen (const ctf_sect_t *, const ctf_sect_t *,
const ctf_sect_t *, int *);
+extern void ctf_ref (ctf_file_t *);
extern void ctf_file_close (ctf_file_t *);
extern int ctf_arc_write (const char *, ctf_file_t **, size_t,
extern int ctf_member_count (ctf_file_t *, ctf_id_t);
extern int ctf_member_iter (ctf_file_t *, ctf_id_t, ctf_member_f *, void *);
+extern ssize_t ctf_member_next (ctf_file_t *, ctf_id_t, ctf_next_t **,
+ const char **name, ctf_id_t *membtype);
extern int ctf_enum_iter (ctf_file_t *, ctf_id_t, ctf_enum_f *, void *);
+extern const char *ctf_enum_next (ctf_file_t *, ctf_id_t, ctf_next_t **,
+ int *);
extern int ctf_type_iter (ctf_file_t *, ctf_type_f *, void *);
extern int ctf_type_iter_all (ctf_file_t *, ctf_type_all_f *, void *);
+extern ctf_id_t ctf_type_next (ctf_file_t *, ctf_next_t **,
+ int *flag, int want_hidden);
extern int ctf_label_iter (ctf_file_t *, ctf_label_f *, void *);
+extern int ctf_label_next (ctf_file_t *, ctf_next_t **, const char **); /* TBD */
extern int ctf_variable_iter (ctf_file_t *, ctf_variable_f *, void *);
+extern ctf_id_t ctf_variable_next (ctf_file_t *, ctf_next_t **,
+ const char **);
extern int ctf_archive_iter (const ctf_archive_t *, ctf_archive_member_f *,
void *);
+extern ctf_file_t *ctf_archive_next (const ctf_archive_t *, ctf_next_t **,
+ const char **, int skip_parent, int *errp);
+
/* This function alone does not currently operate on CTF files masquerading
as archives, and returns -EINVAL: the raw data is no longer available. It is
expected to be used only by archiving tools, in any case, which have no need
ctf_sect_names_t sect, ctf_dump_decorate_f *,
void *arg);
+/* Error-warning reporting: an 'iterator' that returns errors and warnings from
+ the error/warning list, in order of emission. Errors and warnings are popped
+ after return: the caller must free the returned error-text pointer. */
+extern char *ctf_errwarning_next (ctf_file_t *, ctf_next_t **,
+ int *is_warning);
+
extern ctf_id_t ctf_add_array (ctf_file_t *, uint32_t,
const ctf_arinfo_t *);
extern ctf_id_t ctf_add_const (ctf_file_t *, uint32_t, ctf_id_t);
extern int ctf_compress_write (ctf_file_t * fp, int fd);
extern unsigned char *ctf_write_mem (ctf_file_t *, size_t *, size_t threshold);
-/* The ctf_link interfaces are not stable yet. No guarantees! */
-
extern int ctf_link_add_ctf (ctf_file_t *, ctf_archive_t *, const char *);
-extern int ctf_link (ctf_file_t *, int share_mode);
+/* The variable filter should return nonzero if a variable should not
+ appear in the output. */
+typedef int ctf_link_variable_filter_f (ctf_file_t *, const char *, ctf_id_t,
+ void *);
+extern int ctf_link_set_variable_filter (ctf_file_t *,
+ ctf_link_variable_filter_f *, void *);
+extern int ctf_link (ctf_file_t *, int flags);
typedef const char *ctf_link_strtab_string_f (uint32_t *offset, void *arg);
extern int ctf_link_add_strtab (ctf_file_t *, ctf_link_strtab_string_f *,
void *);
projects / deliverable / binutils-gdb.git / blobdiff