summaryrefslogtreecommitdiffstats
path: root/arch/cris/include/asm/eshlibld.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/cris/include/asm/eshlibld.h')
-rw-r--r--arch/cris/include/asm/eshlibld.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/cris/include/asm/eshlibld.h b/arch/cris/include/asm/eshlibld.h
new file mode 100644
index 000000000000..10ce36cf79a9
--- /dev/null
+++ b/arch/cris/include/asm/eshlibld.h
@@ -0,0 +1,113 @@
+/*!**************************************************************************
+*!
+*! 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/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 *****************************/
+