diff options
| -rw-r--r-- | ldso/include/ldsodefs.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ldso/include/ldsodefs.h b/ldso/include/ldsodefs.h new file mode 100644 index 000000000..26b923536 --- /dev/null +++ b/ldso/include/ldsodefs.h @@ -0,0 +1,69 @@ +#ifndef _LDSODEFS_H +#define _LDSODEFS_H 1 + +#include <features.h> +#include <tls.h> + +/* + * MIPS NPTL - These were taken from 'string/test-string.h' + */ +#define GL(x) _##x +#define GLRO(x) _##x + +/* + * MIPS NPTL - This was taken from 'sysdeps/generic/ldsodefs.h'. It is + * most likely used for backtrace capability. + */ +extern void *__libc_stack_end; + +/* Get size and alignment requirements of the static TLS block. */ +extern void _dl_get_tls_static_info (size_t *sizep, size_t *alignp) + internal_function; + + /* Keep the conditional TLS members at the end so the layout of the + structure used by !USE_TLS code matches the prefix of the layout in + the USE_TLS rtld. Note that `struct link_map' is conditionally + defined as well, so _dl_rtld_map needs to be last before this. */ +#ifdef USE_TLS + /* Highest dtv index currently needed. */ + extern size_t _dl_tls_max_dtv_idx; + /* Flag signalling whether there are gaps in the module ID allocation. */ + extern bool _dl_tls_dtv_gaps; + /* Information about the dtv slots. */ + extern struct dtv_slotinfo_list + { + size_t len; + struct dtv_slotinfo_list *next; + struct dtv_slotinfo + { + size_t gen; + bool is_static; + struct link_map *map; + } slotinfo[0]; + } *_dl_tls_dtv_slotinfo_list; + /* Number of modules in the static TLS block. */ + extern size_t _dl_tls_static_nelem; + /* Size of the static TLS block. */ + extern size_t _dl_tls_static_size; + /* Size actually allocated in the static TLS block. */ + extern size_t _dl_tls_static_used; + /* Alignment requirement of the static TLS block. */ + extern size_t _dl_tls_static_align; + +/* Number of additional entries in the slotinfo array of each slotinfo + list element. A large number makes it almost certain take we never + have to iterate beyond the first element in the slotinfo list. */ +# define TLS_SLOTINFO_SURPLUS (62) + +/* Number of additional slots in the dtv allocated. */ +# define DTV_SURPLUS (14) + + /* Initial dtv of the main thread, not allocated with normal malloc. */ + extern void *_dl_initial_dtv; + /* Generation counter for the dtv. */ + extern size_t _dl_tls_generation; + + extern void (*_dl_init_static_tls) (struct link_map *); +#endif + +#endif |