diff options
Diffstat (limited to 'include/ctf-api.h')
| -rw-r--r-- | include/ctf-api.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/include/ctf-api.h b/include/ctf-api.h index faa7b72..47a1f73 100644 --- a/include/ctf-api.h +++ b/include/ctf-api.h @@ -204,10 +204,13 @@ enum 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_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. */ }; -#define ECTF_NERR (ECTF_NONREPRESENTABLE - ECTF_BASE + 1) /* Count of CTF errors. */ +#define ECTF_NERR (ECTF_NEXT_WRONGFP - 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. */ @@ -227,8 +230,9 @@ enum #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); @@ -248,6 +252,15 @@ typedef char *ctf_dump_decorate_f (ctf_sect_names_t sect, 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 @@ -353,13 +366,25 @@ extern int ctf_label_info (ctf_file_t *, const char *, ctf_lblinfo_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 |