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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/asm-cris/eshlibld.h
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/config.h>
36 #include <linux/limits.h>
38 /* Maybe do sanity checking if file input. */
39 #undef SANITYCHECK_RELOC
41 /* Maybe output debug messages. */
44 /* Maybe we want to share core as well as disk space.
45 Mainly depends on the config macro CONFIG_SHARE_SHLIB_CORE, but it is
46 assumed that we want to share code when debugging (exposes more
48 #ifndef SHARE_LIB_CORE
49 # if (defined(__KERNEL__) || !defined(RELOC_DEBUG)) \
50 && !defined(CONFIG_SHARE_SHLIB_CORE)
51 # define SHARE_LIB_CORE 0
53 # define SHARE_LIB_CORE 1
54 # endif /* __KERNEL__ etc */
55 #endif /* SHARE_LIB_CORE */
58 /* Main exported function; supposed to be called when the program a.out
61 perform_cris_aout_relocations(unsigned long text
, unsigned long tlength
,
62 unsigned long data
, unsigned long dlength
,
63 unsigned long baddr
, unsigned long blength
,
65 /* These may be zero when there's "perfect"
66 position-independent code. */
67 unsigned char *trel
, unsigned long tsrel
,
70 /* These will be zero at a first try, to see
71 if code is statically linked. Else a
72 second try, with the symbol table and
73 string table nonzero should be done. */
74 unsigned char *symbols
, unsigned long symlength
,
75 unsigned char *strings
, unsigned long stringlength
,
77 /* These will only be used when symbol table
78 information is present. */
80 int euid
, int is_suid
);
84 /* Task-specific debug stuff. */
85 struct task_reloc_debug
{
86 struct memdebug
*alloclast
;
87 unsigned long alloc_total
;
88 unsigned long export_total
;
90 #endif /* RELOC_DEBUG */
94 /* When code (and some very specific data) is shared and not just
95 dynamically linked, we need to export hooks for exec beginning and
101 shlibmod_exit(struct shlibdep
**deps
);
103 /* Returns 0 if failure, nonzero for ok. */
105 shlibmod_fork(struct shlibdep
**deps
);
107 #else /* ! SHARE_LIB_CORE */
108 # define shlibmod_exit(x)
109 # define shlibmod_fork(x) 1
110 #endif /* ! SHARE_LIB_CORE */
112 #endif _cris_relocate_h
113 /********************** END OF FILE eshlibld.h *****************************/