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100 lines
3.8 KiB
100 lines
3.8 KiB
3 years ago
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/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DLLOADER_H
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#define _DLLOADER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Declarations used for dynamic linking support routines.
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*/
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extern void dlloader_init(void);
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extern void *dlopen (const char *dllName, int mode);
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extern void *dlopen_at(const char *dllName, void *kept, int keptspace, void *unkept, int unkeptspace);
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extern void *dlopen_pmm(const char *dllName, void *(*pmm_alloc)(void *, unsigned int, unsigned int, const char *, unsigned int), void (*pmm_free)(void *, void *), void *pmm_priv);
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extern void (*dlsym(void *, const char *))();
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extern int dlclose(void *);
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extern const char *dlerror(void);
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extern void dldone(void *handle);
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extern int dlcheck(const char *pathName);
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extern void *dlshared_vll_load(const char *vll_name,
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const char **symbols,
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void *(*pmm_alloc)(void *, unsigned int, unsigned int, const char *, unsigned int),
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void (*pmm_free)(void *, void *),
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void *pmm_priv,
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int *vll_init_required);
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extern void dlshared_vll_init_done(void *vll);
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extern void (*dlshared_get_vll_symbol(void *vll, const char *symbol))();
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extern int dlshared_vll_closing(void *vll);
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extern int dlshared_vll_unload(void *vll);
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/*
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* Valid values for mode argument to dlopen.
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*/
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#define RTLD_LAZY 0x00001 /* deferred function binding */
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#define RTLD_NOW 0x00002 /* immediate function binding */
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#define RTLD_GLOBAL 0x00100 /* export symbols to others */
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#define RTLD_LOCAL 0x00000 /* symbols are only available */
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/* to group members */
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#ifdef __cplusplus
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}
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#endif
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#ifdef FOR_VMCS
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// Set the path where vlls are to be retrieved from. Return non-zero for success.
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int dl_set_vll_dir(char const *dir_name);
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#endif
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enum dl_pmm_flags {
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DL_PMM_NORMAL = 0,
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DL_PMM_TEMPORARY = 1,
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DL_PMM_DEBUGINFO = 2,
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};
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enum dlpoolflags {
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DL_POOLFLAGS_EXECUTABLE = 1,
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DL_POOLFLAGS_WRITABLE = 2,
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DL_POOLFLAGS_TEMPORARY = 4,
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DL_POOLFLAGS_DEBUGINFO = 8,
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};
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struct dlsegmentsizedata {
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int size;
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int align;
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enum dlpoolflags flags;
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};
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extern int dlgetsegmentsizes(const char *vll, int *nrows, struct dlsegmentsizedata *segdata);
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#endif /* _DLFCN_H */
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