mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-06 22:04:21 +00:00
6e64bc845f
osreldate.h and sys/param.h were manually adjusted to not __FreeBSD_version since it will be defined by the compiler.
138 lines
No EOL
4.9 KiB
C
Vendored
138 lines
No EOL
4.9 KiB
C
Vendored
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _SYS_IMGACT_ELF_H_
|
|
#define _SYS_IMGACT_ELF_H_
|
|
|
|
#include <machine/elf.h>
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#define AUXARGS_ENTRY(pos, id, val) \
|
|
{(pos)->a_type = (id); (pos)->a_un.a_val = (val); (pos)++;}
|
|
#if (defined(__LP64__) && __ELF_WORD_SIZE == 32)
|
|
#define AUXARGS_ENTRY_PTR(pos, id, ptr) \
|
|
{(pos)->a_type = (id); (pos)->a_un.a_val = (uintptr_t)(ptr); (pos)++;}
|
|
#else
|
|
#define AUXARGS_ENTRY_PTR(pos, id, ptr) \
|
|
{(pos)->a_type = (id); (pos)->a_un.a_ptr = (ptr); (pos)++;}
|
|
#endif
|
|
|
|
struct image_params;
|
|
struct thread;
|
|
struct vnode;
|
|
struct note_info_list;
|
|
struct sbuf;
|
|
|
|
/*
|
|
* 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;
|
|
bool (*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 *interp_path;
|
|
struct sysentvec *sysvec;
|
|
const char *interp_newpath;
|
|
int flags;
|
|
Elf_Brandnote *brand_note;
|
|
bool (*header_supported)(struct image_params *,
|
|
int32_t *, uint32_t *);
|
|
/* High 8 bits of flags is private to the ABI */
|
|
#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. */
|
|
#define BI_BRAND_ONLY_STATIC 0x0008 /* Match only interp-less binaries. */
|
|
} __ElfN(Brandinfo);
|
|
|
|
__ElfType(Auxargs);
|
|
__ElfType(Brandinfo);
|
|
|
|
#define MAX_BRANDS 8
|
|
#define FREEBSD_ABI_VENDOR "FreeBSD"
|
|
#define GNU_ABI_VENDOR "GNU"
|
|
|
|
typedef void (*outfunc_t)(void *, struct sbuf *, size_t *);
|
|
|
|
/* Closure for __elfN(size_segments)(). */
|
|
struct sseg_closure {
|
|
int count; /* Count of writable segments. */
|
|
size_t size; /* Total size of all writable segments. */
|
|
};
|
|
|
|
bool __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)(uintptr_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 **);
|
|
int __elfN(freebsd_copyout_auxargs)(struct image_params *, uintptr_t);
|
|
void __elfN(puthdr)(struct thread *, void *, size_t, int, size_t, int);
|
|
void __elfN(prepare_notes)(struct thread *, struct note_info_list *,
|
|
size_t *);
|
|
void __elfN(size_segments)(struct thread *, struct sseg_closure *, int);
|
|
size_t __elfN(register_note)(struct thread *, struct note_info_list *,
|
|
int, outfunc_t, void *);
|
|
bool __elfN(parse_notes)(struct image_params *, Elf_Note *, const char *,
|
|
const Elf_Phdr *, bool (*)(const Elf_Note *, void *, bool *),
|
|
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_ */ |