#ifndef LINUXELF_H #define LINUXELF_H #include <ld_sysdep.h> /* before elf.h to get ELF_USES_RELOCA right */ #include <elf.h> #include <link.h> #ifdef DEBUG # define LDSO_CONF "../util/ld.so.conf" # define LDSO_CACHE "../util/ld.so.cache" # define LDSO_PRELOAD "../util/ld.so.preload" #else # define LDSO_CONF UCLIBC_RUNTIME_PREFIX "etc/ld.so.conf" # define LDSO_CACHE UCLIBC_RUNTIME_PREFIX "etc/ld.so.cache" # define LDSO_PRELOAD UCLIBC_RUNTIME_PREFIX "etc/ld.so.preload" #endif #define LIB_ANY -1 #define LIB_DLL 0 #define LIB_ELF 1 #define LIB_ELF64 0x80 #define LIB_ELF_LIBC5 2 #define LIB_ELF_LIBC6 3 #define LIB_ELF_LIBC0 4 /* Forward declarations for stuff defined in ld_hash.h */ struct dyn_elf; struct elf_resolve; /* Definitions and prototypes for cache stuff */ #ifdef USE_CACHE extern int _dl_map_cache(void); extern int _dl_unmap_cache(void); #define LDSO_CACHE_MAGIC "ld.so-" #define LDSO_CACHE_MAGIC_LEN (sizeof LDSO_CACHE_MAGIC -1) #define LDSO_CACHE_VER "1.7.0" #define LDSO_CACHE_VER_LEN (sizeof LDSO_CACHE_VER -1) typedef struct { char magic [LDSO_CACHE_MAGIC_LEN]; char version [LDSO_CACHE_VER_LEN]; int nlibs; } header_t; typedef struct { int flags; int sooffset; int liboffset; } libentry_t; #else static inline void _dl_map_cache(void) { } static inline void _dl_unmap_cache(void) { } #endif /* Function prototypes for non-static stuff in readelflib1.c */ int _dl_copy_fixups(struct dyn_elf * tpnt); extern int _dl_parse_copy_information(struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size, int type); extern void _dl_parse_lazy_relocation_information(struct elf_resolve *tpnt, unsigned long rel_addr, unsigned long rel_size, int type); extern int _dl_parse_relocation_information(struct elf_resolve *tpnt, unsigned long rel_addr, unsigned long rel_size, int type); extern struct elf_resolve * _dl_load_shared_library(int secure, struct dyn_elf **rpnt, struct elf_resolve *tpnt, char *full_libname); extern struct elf_resolve * _dl_load_elf_shared_library(int secure, struct dyn_elf **rpnt, char *libname); extern struct elf_resolve *_dl_check_if_named_library_is_loaded(const char *full_libname); extern int _dl_linux_resolve(void); /* * Datatype of a relocation on this platform */ #ifdef ELF_USES_RELOCA # define ELF_RELOC ElfW(Rela) #else # define ELF_RELOC ElfW(Rel) #endif /* Convert between the Linux flags for page protections and the ones specified in the ELF standard. */ #define LXFLAGS(X) ( (((X) & PF_R) ? PROT_READ : 0) | \ (((X) & PF_W) ? PROT_WRITE : 0) | \ (((X) & PF_X) ? PROT_EXEC : 0)) #endif /* LINUXELF_H */