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#include "link.h"
#ifndef RTLD_NEXT
#define RTLD_NEXT ((void*)-1)
#endif
struct dyn_elf{
unsigned int flags;
struct elf_resolve * dyn;
struct dyn_elf * next_handle; /* Used by dlopen et al. */
struct dyn_elf * 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. */
char * loadaddr;
char * libname;
unsigned int dynamic_addr;
struct elf_resolve * next;
struct elf_resolve * prev;
/* Nothing after this address is used by gdb. */
enum {elf_lib, elf_executable,program_interpreter, loaded_file} libtype;
struct dyn_elf * symbol_scope;
unsigned short usage_count;
unsigned short int init_flag;
unsigned int nbucket;
unsigned int * elf_buckets;
/*
* These are only used with ELF style shared libraries
*/
unsigned int nchain;
unsigned int * chains;
unsigned int dynamic_info[24];
unsigned int dynamic_size;
unsigned int n_phent;
Elf32_Phdr * ppnt;
};
#if 0
/*
* The DT_DEBUG entry in the .dynamic section is given the address of this structure.
* gdb can pick this up to obtain the correct list of loaded modules.
*/
struct r_debug{
int r_version;
struct elf_resolve * link_map;
unsigned long brk_fun;
enum {RT_CONSISTENT, RT_ADD, RT_DELETE};
unsigned long ldbase;
};
#endif
#define COPY_RELOCS_DONE 1
#define RELOCS_DONE 2
#define JMP_RELOCS_DONE 4
#define INIT_FUNCS_CALLED 8
extern struct dyn_elf * _dl_symbol_tables;
extern struct elf_resolve * _dl_loaded_modules;
extern struct dyn_elf * _dl_handles;
extern struct elf_resolve * _dl_check_hashed_files(char * libname);
extern struct elf_resolve * _dl_add_elf_hash_table(char * libname,
char * loadaddr,
unsigned int * dynamic_info,
unsigned int dynamic_addr,
unsigned int dynamic_size);
extern char * _dl_find_hash(char * name, struct dyn_elf * rpnt1,
unsigned int instr_addr,
struct elf_resolve * f_tpnt,
int copyrel);
extern int _dl_linux_dynamic_link(void);
#ifdef __mc68000__
/* On m68k constant strings are referenced through the GOT. */
/* XXX Requires load_addr to be defined. */
#define SEND_STDERR(X) \
{ const char *__s = (X); \
if (__s < (const char *) load_addr) __s += load_addr; \
_dl_write (2, __s, _dl_strlen (__s)); \
}
#else
#define SEND_STDERR(X) _dl_write(2, X, _dl_strlen(X));
#endif
extern int _dl_fdprintf(int, const char *, ...);
extern char * _dl_library_path;
extern char * _dl_not_lazy;
extern char * _dl_strdup(const char *);
extern inline int _dl_symbol(char * name);
unsigned long _dl_elf_hash(const char * name);
extern inline int _dl_symbol(char * name)
{
if(name[0] != '_' || name[1] != 'd' || name[2] != 'l' || name[3] != '_')
return 0;
return 1;
}
#define DL_ERROR_NOFILE 1
#define DL_ERROR_NOZERO 2
#define DL_ERROR_NOTELF 3
#define DL_ERROR_NOTMAGIC 4
#define DL_ERROR_NOTDYN 5
#define DL_ERROR_MMAP_FAILED 6
#define DL_ERROR_NODYNAMIC 7
#define DL_WRONG_RELOCS 8
#define DL_BAD_HANDLE 9
#define DL_NO_SYMBOL 10
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