diff options
| -rw-r--r-- | include/ChangeLog | 4 | ||||
| -rw-r--r-- | include/ctf-api.h | 1 | ||||
| -rw-r--r-- | libctf/ChangeLog | 6 | ||||
| -rw-r--r-- | libctf/ctf-impl.h | 1 | ||||
| -rw-r--r-- | libctf/ctf-subr.c | 27 |
5 files changed, 39 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 4be07a5..56922ad 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,5 +1,9 @@ 2019-05-28 Nick Alcock <nick.alcock@oracle.com> + * ctf-api.h (ctf_version): New. + +2019-05-28 Nick Alcock <nick.alcock@oracle.com> + * ctf-api.h (ctf_func_info): New. (ctf_func_args): Likewise. (ctf_lookup_by_symbol): Likewise. diff --git a/include/ctf-api.h b/include/ctf-api.h index 045d8af..6ab754a 100644 --- a/include/ctf-api.h +++ b/include/ctf-api.h @@ -269,6 +269,7 @@ extern void *ctf_getspecific (ctf_file_t *); extern int ctf_errno (ctf_file_t *); extern const char *ctf_errmsg (int); +extern int ctf_version (int); extern int ctf_func_info (ctf_file_t *, unsigned long, ctf_funcinfo_t *); extern int ctf_func_args (ctf_file_t *, unsigned long, uint32_t, ctf_id_t *); diff --git a/libctf/ChangeLog b/libctf/ChangeLog index c0c98d2..a6eb11e 100644 --- a/libctf/ChangeLog +++ b/libctf/ChangeLog @@ -1,5 +1,11 @@ 2019-05-28 Nick Alcock <nick.alcock@oracle.com> + * ctf-impl.h (_libctf_version): New declaration. + * ctf-subr.c (_libctf_version): Define it. + (ctf_version): New. + +2019-05-28 Nick Alcock <nick.alcock@oracle.com> + * ctf-create.c (enumcmp): New. (enumadd): Likewise. (membcmp): Likewise. diff --git a/libctf/ctf-impl.h b/libctf/ctf-impl.h index ff18504..363b62d 100644 --- a/libctf/ctf-impl.h +++ b/libctf/ctf-impl.h @@ -375,6 +375,7 @@ extern const char *ctf_lookup_symbol_name (ctf_file_t *fp, unsigned long symidx) 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 diff --git a/libctf/ctf-subr.c b/libctf/ctf-subr.c index 3103e28..09ec295 100644 --- a/libctf/ctf-subr.c +++ b/libctf/ctf-subr.c @@ -27,6 +27,7 @@ #include <unistd.h> static size_t _PAGESIZE _libctf_unused_; +int _libctf_version = CTF_VERSION; /* Library client version. */ int _libctf_debug = 0; /* Debugging messages enabled. */ _libctf_malloc_ void * @@ -190,6 +191,32 @@ ctf_strerror (int err) return (const char *) (strerror (err)); } +/* Set the CTF library client version to the specified version. If version is + zero, we just return the default library version number. */ +int +ctf_version (int version) +{ + if (version < 0) + { + errno = EINVAL; + return -1; + } + + if (version > 0) + { + /* Dynamic version switching is not presently supported. */ + if (version != CTF_VERSION) + { + errno = ENOTSUP; + return -1; + } + ctf_dprintf ("ctf_version: client using version %d\n", version); + _libctf_version = version; + } + + return _libctf_version; +} + void libctf_init_debug (void) { |