diff options
Diffstat (limited to 'bfd/bfd.c')
| -rw-r--r-- | bfd/bfd.c | 42 |
1 files changed, 33 insertions, 9 deletions
@@ -470,6 +470,16 @@ EXTERNAL . return abfd->lto_type; .} . +.static inline bool +.bfd_lto_slim_symbol_p (const bfd *abfd, const char *name) +.{ +. return (bfd_get_lto_type (abfd) != lto_non_ir_object +. && name != NULL +. && name[0] == '_' +. && name[1] == '_' +. && strcmp (name + (name[2] == '_'), "__gnu_lto_slim") == 0); +.} +. .static inline flagword .bfd_get_file_flags (const bfd *abfd) .{ @@ -709,6 +719,12 @@ EXTERNAL #define EXIT_FAILURE 1 #endif +#ifdef TLS +#define THREAD_LOCAL TLS +#else +#define THREAD_LOCAL +#endif + /* provide storage for subsystem, stack and heap data which may have been passed in on the command line. Ld puts this data into a bfd_link_info @@ -799,8 +815,8 @@ const char *const bfd_errmsgs[] = N_("#<invalid error code>") }; -static TLS bfd_error_type bfd_error; -static TLS char *_bfd_error_buf; +static THREAD_LOCAL bfd_error_type bfd_error; +static THREAD_LOCAL char *_bfd_error_buf; /* Free any data associated with the BFD error. */ @@ -1679,7 +1695,7 @@ _bfd_per_xvec_warn (struct per_xvec_messages *messages, size_t alloc) error_handler_sprintf; when NULL, _bfd_error_internal will be used instead. */ -static TLS struct per_xvec_messages *error_handler_messages; +static THREAD_LOCAL struct per_xvec_messages *error_handler_messages; /* A special value for error_handler_messages that indicates that the error should simply be ignored. */ @@ -2012,18 +2028,20 @@ DESCRIPTION Initialize BFD threading. The functions passed in will be used to lock and unlock global data structures. This may only be called a single time in a given process. Returns true on - success and false on error. DATA is passed verbatim to the - lock and unlock functions. The lock and unlock functions - should return true on success, or set the BFD error and return - false on failure. Note also that the lock must be a recursive - lock: BFD may attempt to acquire the lock when it is already - held by the current thread. + success and false on error. On error, the caller should + assume that BFD cannot be used by multiple threads. DATA is + passed verbatim to the lock and unlock functions. The lock + and unlock functions should return true on success, or set the + BFD error and return false on failure. Note also that the + lock must be a recursive lock: BFD may attempt to acquire the + lock when it is already held by the current thread. */ bool bfd_thread_init (bfd_lock_unlock_fn_type lock, bfd_lock_unlock_fn_type unlock, void *data) { +#ifdef TLS /* Both functions must be set, and this cannot have been called before. */ if (lock == NULL || unlock == NULL || unlock_fn != NULL) @@ -2036,6 +2054,12 @@ bfd_thread_init (bfd_lock_unlock_fn_type lock, bfd_lock_unlock_fn_type unlock, unlock_fn = unlock; lock_data = data; return true; +#else /* TLS */ + /* If thread-local storage wasn't found by configure, we disallow + threaded operation. */ + bfd_set_error (bfd_error_invalid_operation); + return false; +#endif /* TLS */ } /* |