1 /*!**************************************************************************
3 *! FILE NAME : eshlibld.h
5 *! DESCRIPTION: Prototypes for exported shared library functions
7 *! FUNCTIONS : perform_cris_aout_relocations, shlibmod_fork, shlibmod_exit
10 *!---------------------------------------------------------------------------
12 *! (C) Copyright 1998, 1999 Axis Communications AB, LUND, SWEDEN
14 *!**************************************************************************/
15 /* $Id: eshlibld.h,v 1.2 2001/02/23 13:47:33 bjornw Exp $ */
17 #ifndef _cris_relocate_h
18 #define _cris_relocate_h
20 /* Please note that this file is also compiled into the xsim simulator.
21 Try to avoid breaking its double use (only works on a little-endian
22 32-bit machine such as the i386 anyway).
24 Use __KERNEL__ when you're about to use kernel functions,
25 (which you should not do here anyway, since this file is
27 Use defined(__KERNEL__) || defined(__elinux__) when doing
28 things that only makes sense on an elinux system.
29 Use __CRIS__ when you're about to do (really) CRIS-specific code.
32 /* We have dependencies all over the place for the host system
33 for xsim being a linux system, so let's not pretend anything
34 else with #ifdef:s here until fixed. */
35 #include <linux/limits.h>
37 /* Maybe do sanity checking if file input. */
38 #undef SANITYCHECK_RELOC
40 /* Maybe output debug messages. */
43 /* Maybe we want to share core as well as disk space.
44 Mainly depends on the config macro CONFIG_SHARE_SHLIB_CORE, but it is
45 assumed that we want to share code when debugging (exposes more
47 #ifndef SHARE_LIB_CORE
48 # if (defined(__KERNEL__) || !defined(RELOC_DEBUG)) \
49 && !defined(CONFIG_SHARE_SHLIB_CORE)
50 # define SHARE_LIB_CORE 0
52 # define SHARE_LIB_CORE 1
53 # endif /* __KERNEL__ etc */
54 #endif /* SHARE_LIB_CORE */
57 /* Main exported function; supposed to be called when the program a.out
60 perform_cris_aout_relocations(unsigned long text, unsigned long tlength,
61 unsigned long data, unsigned long dlength,
62 unsigned long baddr, unsigned long blength,
64 /* These may be zero when there's "perfect"
65 position-independent code. */
66 unsigned char *trel, unsigned long tsrel,
69 /* These will be zero at a first try, to see
70 if code is statically linked. Else a
71 second try, with the symbol table and
72 string table nonzero should be done. */
73 unsigned char *symbols, unsigned long symlength,
74 unsigned char *strings, unsigned long stringlength,
76 /* These will only be used when symbol table
77 information is present. */
79 int euid, int is_suid);
83 /* Task-specific debug stuff. */
84 struct task_reloc_debug {
85 struct memdebug *alloclast;
86 unsigned long alloc_total;
87 unsigned long export_total;
89 #endif /* RELOC_DEBUG */
93 /* When code (and some very specific data) is shared and not just
94 dynamically linked, we need to export hooks for exec beginning and
100 shlibmod_exit(struct shlibdep **deps);
102 /* Returns 0 if failure, nonzero for ok. */
104 shlibmod_fork(struct shlibdep **deps);
106 #else /* ! SHARE_LIB_CORE */
107 # define shlibmod_exit(x)
108 # define shlibmod_fork(x) 1
109 #endif /* ! SHARE_LIB_CORE */
111 #endif _cris_relocate_h
112 /********************** END OF FILE eshlibld.h *****************************/