diff options
Diffstat (limited to 'ldso/include/ldso.h')
| -rw-r--r-- | ldso/include/ldso.h | 77 |
1 files changed, 69 insertions, 8 deletions
diff --git a/ldso/include/ldso.h b/ldso/include/ldso.h index 35a72fc5e..e237885b9 100644 --- a/ldso/include/ldso.h +++ b/ldso/include/ldso.h @@ -5,8 +5,8 @@ * GNU Lesser General Public License version 2.1 or later. */ -#ifndef _LDSO_H_ -#define _LDSO_H_ +#ifndef _LDSO_H +#define _LDSO_H #include <features.h> @@ -27,18 +27,46 @@ /* Pull in compiler and arch stuff */ #include <stdlib.h> #include <stdarg.h> +#include <stddef.h> /* for ptrdiff_t */ +#include <stdbool.h> +#define _FCNTL_H +/* We need this if arch has only new syscalls defined */ +#ifndef AT_FDCWD +#define AT_FDCWD -100 +#endif /* AT_FDCWD */ +#include <bits/fcntl.h> #include <bits/wordsize.h> /* Pull in the arch specific type information */ #include <sys/types.h> /* Pull in the arch specific page size */ #include <bits/uClibc_page.h> +/* Pull in the MIN macro */ +#include <sys/param.h> /* Pull in the ldso syscalls and string functions */ +#ifndef __ARCH_HAS_NO_SHARED__ #include <dl-syscall.h> #include <dl-string.h> /* Now the ldso specific headers */ #include <dl-elf.h> +#ifdef __UCLIBC_HAS_TLS__ +/* Defines USE_TLS */ +#include <tls.h> +#endif #include <dl-hash.h> +/* common align masks, if not specified by sysdep headers */ +#ifndef ADDR_ALIGN +#define ADDR_ALIGN (_dl_pagesize - 1) +#endif + +#ifndef PAGE_ALIGN +#define PAGE_ALIGN (~ADDR_ALIGN) +#endif + +#ifndef OFFS_ALIGN +#define OFFS_ALIGN (PAGE_ALIGN & ~(1ul << (sizeof(_dl_pagesize) * 8 - 1))) +#endif + /* For INIT/FINI dependency sorting. */ struct init_fini_list { struct init_fini_list *next; @@ -48,10 +76,25 @@ struct init_fini_list { /* Global variables used within the shared library loader */ extern char *_dl_library_path; /* Where we look for libraries */ extern char *_dl_preload; /* Things to be loaded before the libs */ -extern char *_dl_ldsopath; /* Where the shared lib loader was found */ +#ifdef __LDSO_SEARCH_INTERP_PATH__ +extern const char *_dl_ldsopath; /* Where the shared lib loader was found */ +#endif extern const char *_dl_progname; /* The name of the executable being run */ -extern int _dl_secure; /* Are we dealing with setuid stuff? */ extern size_t _dl_pagesize; /* Store the page size for use later */ +#ifdef __LDSO_PRELINK_SUPPORT__ +extern char *_dl_trace_prelink; /* Library for prelinking trace */ +extern struct elf_resolve *_dl_trace_prelink_map; /* Library map for prelinking trace */ +#else +#define _dl_trace_prelink 0 +#endif +#ifdef __DSBT__ +extern void **_dl_ldso_dsbt; +#endif + +#if defined(USE_TLS) && USE_TLS +extern void _dl_add_to_slotinfo (struct link_map *l); +extern void ** __attribute__ ((const)) _dl_initial_error_catch_tsd (void); +#endif #ifdef __SUPPORT_LD_DEBUG__ extern char *_dl_debug; @@ -63,13 +106,14 @@ extern char *_dl_debug_nofixups; extern char *_dl_debug_bindings; extern int _dl_debug_file; # define __dl_debug_dprint(fmt, args...) \ - _dl_dprintf(_dl_debug_file, "%s:%i: " fmt, __FUNCTION__, __LINE__, ## args); + _dl_dprintf(_dl_debug_file, "%s:%i: " fmt, __func__, __LINE__, ## args); # define _dl_if_debug_dprint(fmt, args...) \ do { if (_dl_debug) __dl_debug_dprint(fmt, ## args); } while (0) #else # define __dl_debug_dprint(fmt, args...) do {} while (0) # define _dl_if_debug_dprint(fmt, args...) do {} while (0) -# define _dl_debug_file 2 +/* disabled on purpose, _dl_debug_file should be guarded by __SUPPORT_LD_DEBUG__ +# define _dl_debug_file 2*/ #endif /* __SUPPORT_LD_DEBUG__ */ #ifdef IS_IN_rtld @@ -100,11 +144,24 @@ extern int _dl_debug_file; #endif extern void *_dl_malloc(size_t size); +extern void *_dl_calloc(size_t __nmemb, size_t __size); +extern void *_dl_realloc(void *__ptr, size_t __size); extern void _dl_free(void *); extern char *_dl_getenv(const char *symbol, char **envp); extern void _dl_unsetenv(const char *symbol, char **envp); +#ifdef IS_IN_rtld extern char *_dl_strdup(const char *string); extern void _dl_dprintf(int, const char *, ...); +#else +# include <string.h> +# define _dl_strdup strdup +# include <stdio.h> +# ifdef __USE_GNU +# define _dl_dprintf dprintf +# else +# define _dl_dprintf(fd, fmt, args...) fprintf(stderr, fmt, ## args) +# endif +#endif #ifndef DL_GET_READY_TO_RUN_EXTRA_PARMS # define DL_GET_READY_TO_RUN_EXTRA_PARMS @@ -113,7 +170,7 @@ extern void _dl_dprintf(int, const char *, ...); # define DL_GET_READY_TO_RUN_EXTRA_ARGS #endif -extern void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, +extern void *_dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, ElfW(auxv_t) auxvt[AT_EGID + 1], char **envp, char **argv DL_GET_READY_TO_RUN_EXTRA_PARMS); @@ -121,4 +178,8 @@ extern void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load #include <dl-inlines.h> #endif -#endif /* _LDSO_H_ */ +#else /* __ARCH_HAS_NO_SHARED__ */ +#include <dl-defs.h> +#endif + +#endif /* _LDSO_H */ |