f-stack/freebsd/sys/imgact_elf.h

106 lines
3.5 KiB
C

/*-
* Copyright (c) 1995-1996 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_IMGACT_ELF_H_
#define _SYS_IMGACT_ELF_H_
#include <machine/elf.h>
#ifdef _KERNEL
#define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);}
struct image_params;
struct thread;
/*
* Structure used to pass information from the loader to the
* stack fixup routine.
*/
typedef struct {
Elf_Ssize execfd;
Elf_Size phdr;
Elf_Size phent;
Elf_Size phnum;
Elf_Size pagesz;
Elf_Size base;
Elf_Size flags;
Elf_Size entry;
Elf_Word hdr_eflags; /* e_flags field from ehdr */
} __ElfN(Auxargs);
typedef struct {
Elf_Note hdr;
const char * vendor;
int flags;
boolean_t (*trans_osrel)(const Elf_Note *, int32_t *);
#define BN_CAN_FETCH_OSREL 0x0001 /* Deprecated. */
#define BN_TRANSLATE_OSREL 0x0002 /* Use trans_osrel to fetch osrel */
/* after checking the image ABI specification, if needed. */
} Elf_Brandnote;
typedef struct {
int brand;
int machine;
const char *compat_3_brand; /* pre Binutils 2.10 method (FBSD 3) */
const char *emul_path;
const char *interp_path;
struct sysentvec *sysvec;
const char *interp_newpath;
int flags;
Elf_Brandnote *brand_note;
boolean_t (*header_supported)(struct image_params *);
#define BI_CAN_EXEC_DYN 0x0001
#define BI_BRAND_NOTE 0x0002 /* May have note.ABI-tag section. */
#define BI_BRAND_NOTE_MANDATORY 0x0004 /* Must have note.ABI-tag section. */
} __ElfN(Brandinfo);
__ElfType(Auxargs);
__ElfType(Brandinfo);
#define MAX_BRANDS 8
int __elfN(brand_inuse)(Elf_Brandinfo *entry);
int __elfN(insert_brand_entry)(Elf_Brandinfo *entry);
int __elfN(remove_brand_entry)(Elf_Brandinfo *entry);
int __elfN(freebsd_fixup)(register_t **, struct image_params *);
int __elfN(coredump)(struct thread *, struct vnode *, off_t, int);
size_t __elfN(populate_note)(int, void *, void *, size_t, void **);
/* Machine specific function to dump per-thread information. */
void __elfN(dump_thread)(struct thread *, void *, size_t *);
extern int __elfN(fallback_brand);
extern Elf_Brandnote __elfN(freebsd_brandnote);
extern Elf_Brandnote __elfN(kfreebsd_brandnote);
#endif /* _KERNEL */
#endif /* !_SYS_IMGACT_ELF_H_ */