diff options
Diffstat (limited to 'sysdeps/generic/ldsodefs.h')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 58dfc15ca3..afb192925a 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -355,6 +355,14 @@ struct rtld_global EXTERN void (*_dl_rtld_unlock_recursive) (void *); #endif + /* Prevailing state of the stack, PF_X indicating it's executable. */ + EXTERN ElfW(Word) _dl_stack_flags; + + /* If loading a shared object requires that we make the stack executable + when it was not, we do it by calling this function. + It returns an errno code or zero on success. */ + EXTERN int (*_dl_make_stack_executable_hook) (void) 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 @@ -438,6 +446,11 @@ extern void **_dl_initial_error_catch_tsd (void) __attribute__ ((const)) attribute_hidden; #endif +/* This is the initial value of GL(dl_make_stack_executable_hook). + A threads library can change it. */ +extern int _dl_make_stack_executable (void) internal_function; +rtld_hidden_proto (_dl_make_stack_executable) + /* Parameters passed to the dynamic linker. */ extern int _dl_argc attribute_hidden; extern char **_dl_argv; |