eshlibld.h
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- /*!**************************************************************************
- *!
- *! FILE NAME : eshlibld.h
- *!
- *! DESCRIPTION: Prototypes for exported shared library functions
- *!
- *! FUNCTIONS : perform_cris_aout_relocations, shlibmod_fork, shlibmod_exit
- *! (EXPORTED)
- *!
- *!---------------------------------------------------------------------------
- *!
- *! (C) Copyright 1998, 1999 Axis Communications AB, LUND, SWEDEN
- *!
- *!**************************************************************************/
- /* $Id: eshlibld.h,v 1.2 2001/02/23 13:47:33 bjornw Exp $ */
- #ifndef _cris_relocate_h
- #define _cris_relocate_h
- /* Please note that this file is also compiled into the xsim simulator.
- Try to avoid breaking its double use (only works on a little-endian
- 32-bit machine such as the i386 anyway).
- Use __KERNEL__ when you're about to use kernel functions,
- (which you should not do here anyway, since this file is
- used by glibc).
- Use defined(__KERNEL__) || defined(__elinux__) when doing
- things that only makes sense on an elinux system.
- Use __CRIS__ when you're about to do (really) CRIS-specific code.
- */
- /* We have dependencies all over the place for the host system
- for xsim being a linux system, so let's not pretend anything
- else with #ifdef:s here until fixed. */
- #include <linux/config.h>
- #include <linux/limits.h>
- /* Maybe do sanity checking if file input. */
- #undef SANITYCHECK_RELOC
- /* Maybe output debug messages. */
- #undef RELOC_DEBUG
- /* Maybe we want to share core as well as disk space.
- Mainly depends on the config macro CONFIG_SHARE_SHLIB_CORE, but it is
- assumed that we want to share code when debugging (exposes more
- trouble). */
- #ifndef SHARE_LIB_CORE
- # if (defined(__KERNEL__) || !defined(RELOC_DEBUG))
- && !defined(CONFIG_SHARE_SHLIB_CORE)
- # define SHARE_LIB_CORE 0
- # else
- # define SHARE_LIB_CORE 1
- # endif /* __KERNEL__ etc */
- #endif /* SHARE_LIB_CORE */
- /* Main exported function; supposed to be called when the program a.out
- has been read in. */
- extern int
- perform_cris_aout_relocations(unsigned long text, unsigned long tlength,
- unsigned long data, unsigned long dlength,
- unsigned long baddr, unsigned long blength,
- /* These may be zero when there's "perfect"
- position-independent code. */
- unsigned char *trel, unsigned long tsrel,
- unsigned long dsrel,
- /* These will be zero at a first try, to see
- if code is statically linked. Else a
- second try, with the symbol table and
- string table nonzero should be done. */
- unsigned char *symbols, unsigned long symlength,
- unsigned char *strings, unsigned long stringlength,
- /* These will only be used when symbol table
- information is present. */
- char **env, int envc,
- int euid, int is_suid);
- #ifdef RELOC_DEBUG
- /* Task-specific debug stuff. */
- struct task_reloc_debug {
- struct memdebug *alloclast;
- unsigned long alloc_total;
- unsigned long export_total;
- };
- #endif /* RELOC_DEBUG */
- #if SHARE_LIB_CORE
- /* When code (and some very specific data) is shared and not just
- dynamically linked, we need to export hooks for exec beginning and
- end. */
- struct shlibdep;
- extern void
- shlibmod_exit(struct shlibdep **deps);
- /* Returns 0 if failure, nonzero for ok. */
- extern int
- shlibmod_fork(struct shlibdep **deps);
- #else /* ! SHARE_LIB_CORE */
- # define shlibmod_exit(x)
- # define shlibmod_fork(x) 1
- #endif /* ! SHARE_LIB_CORE */
- #endif _cris_relocate_h
- /********************** END OF FILE eshlibld.h *****************************/