diff options
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/rtld-elf/Symbol.map | 1 | ||||
| -rw-r--r-- | libexec/rtld-elf/rtld.c | 24 |
2 files changed, 25 insertions, 0 deletions
diff --git a/libexec/rtld-elf/Symbol.map b/libexec/rtld-elf/Symbol.map index 3cdbb30d04a0..9e9e702a1261 100644 --- a/libexec/rtld-elf/Symbol.map +++ b/libexec/rtld-elf/Symbol.map @@ -27,6 +27,7 @@ FBSD_1.8 { }; FBSDprivate_1.0 { + _dl_iterate_phdr_locked; _rtld_thread_init; _rtld_allocate_tls; _rtld_free_tls; diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c index 32d0b879c5bc..e1813217a854 100644 --- a/libexec/rtld-elf/rtld.c +++ b/libexec/rtld-elf/rtld.c @@ -253,6 +253,7 @@ int dladdr(const void *, Dl_info *) __exported; void dllockinit(void *, void *(*)(void *), void (*)(void *), void (*)(void *), void (*)(void *), void (*)(void *), void (*)(void *)) __exported; int dlinfo(void *, int , void *) __exported; +int _dl_iterate_phdr_locked(__dl_iterate_hdr_callback, void *) __exported; int dl_iterate_phdr(__dl_iterate_hdr_callback, void *) __exported; int _rtld_addr_phdr(const void *, struct dl_phdr_info *) __exported; int _rtld_get_stack_prot(void) __exported; @@ -4208,6 +4209,29 @@ rtld_fill_dl_phdr_info(const Obj_Entry *obj, struct dl_phdr_info *phdr_info) phdr_info->dlpi_subs = obj_loads - obj_count; } +/* + * It's completely UB to actually use this, so extreme caution is advised. It's + * probably not what you want. + */ +int +_dl_iterate_phdr_locked(__dl_iterate_hdr_callback callback, void *param) +{ + struct dl_phdr_info phdr_info; + Obj_Entry *obj; + int error; + + for (obj = globallist_curr(TAILQ_FIRST(&obj_list)); obj != NULL; + obj = globallist_next(obj)) { + rtld_fill_dl_phdr_info(obj, &phdr_info); + error = callback(&phdr_info, sizeof(phdr_info), param); + if (error != 0) + return (error); + } + + rtld_fill_dl_phdr_info(&obj_rtld, &phdr_info); + return (callback(&phdr_info, sizeof(phdr_info), param)); +} + int dl_iterate_phdr(__dl_iterate_hdr_callback callback, void *param) { |