diff options
Diffstat (limited to 'ldso/include/dl-hash.h')
| -rw-r--r-- | ldso/include/dl-hash.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/ldso/include/dl-hash.h b/ldso/include/dl-hash.h index 34bed1b4b..b1927e49a 100644 --- a/ldso/include/dl-hash.h +++ b/ldso/include/dl-hash.h @@ -25,6 +25,19 @@ struct dyn_elf { struct dyn_elf * prev; }; +struct sym_val { + const ElfW(Sym) *s; + struct elf_resolve *m; +}; + +/* Structure to describe a single list of scope elements. The lookup + functions get passed an array of pointers to such structures. */ +struct r_scope_elem { + struct elf_resolve **r_list; /* Array of maps for the scope. */ + unsigned int r_nlist; /* Number of entries in the scope. */ + struct r_scope_elem *next; +}; + struct elf_resolve { /* These entries must be in this order to be compatible with the interface used by gdb to obtain the list of symbols. */ @@ -60,8 +73,13 @@ struct elf_resolve { #endif ElfW(Addr) mapaddr; +#ifdef __LDSO_STANDALONE_SUPPORT__ + /* Store the entry point from the ELF header (e_entry) */ + ElfW(Addr) l_entry; +#endif enum {elf_lib, elf_executable,program_interpreter, loaded_file} libtype; - struct dyn_elf * symbol_scope; + /* This is the local scope of the shared object */ + struct r_scope_elem symbol_scope; unsigned short usage_count; unsigned short int init_flag; unsigned long rtld_flags; /* RTLD_GLOBAL, RTLD_NOW etc. */ @@ -128,6 +146,7 @@ struct elf_resolve { #define INIT_FUNCS_CALLED 0x000004 #define FINI_FUNCS_CALLED 0x000008 #define DL_OPENED 0x000010 +#define DL_RESERVED 0x000020 extern struct dyn_elf * _dl_symbol_tables; extern struct elf_resolve * _dl_loaded_modules; @@ -139,17 +158,17 @@ extern struct elf_resolve * _dl_add_elf_hash_table(const char * libname, /* Only need extra arg with some configurations */ #if !((defined(USE_TLS) && USE_TLS) || defined __FDPIC__) -# define _dl_lookup_hash(n, r, m, c, tpntp) _dl_lookup_hash(n, r, m, c) -# define _dl_find_hash(n, r, m, t, tpntp) _dl_find_hash(n, r, m, t) +# define _dl_lookup_hash(n, r, m, s, c, tpnt) _dl_lookup_hash(n, r, m, s, c) +# define _dl_find_hash(n, r, m, s, t, tpntp) _dl_find_hash(n, r, m, s, t) #endif -extern char *_dl_lookup_hash(const char *name, struct dyn_elf *rpnt, - struct elf_resolve *mytpnt, int type_class, +extern char *_dl_lookup_hash(const char *name, struct r_scope_elem *scope, + struct elf_resolve *mytpnt, struct sym_val *symbol, int type_class, struct elf_resolve **tpntp); -static __always_inline char *_dl_find_hash(const char *name, struct dyn_elf *rpnt, - struct elf_resolve *mytpnt, int type_class, +static __always_inline char *_dl_find_hash(const char *name, struct r_scope_elem *scope, + struct elf_resolve *mytpnt, struct sym_val *symbol, int type_class, struct elf_resolve **tpntp) { - return _dl_lookup_hash(name, rpnt, mytpnt, type_class, tpntp); + return _dl_lookup_hash(name, scope, mytpnt, symbol, type_class, tpntp); } extern int _dl_linux_dynamic_link(void); |