1 /*-
2 * Copyright 1996-1998 John D. Polstra.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * from: src/sys/i386/i386/elf_machdep.c,v 1.20 2004/08/11 02:35:05 marcel
26 */
27
28 #define __ELF_WORD_SIZE 64
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD: releng/8.0/sys/mips/mips/elf64_machdep.c 190708 2009-04-05 09:27:19Z dchagin $");
32
33 #include <sys/param.h>
34 #include <sys/kernel.h>
35 #include <sys/systm.h>
36 #include <sys/exec.h>
37 #include <sys/imgact.h>
38 #include <sys/linker.h>
39 #include <sys/sysent.h>
40 #include <sys/imgact_elf.h>
41 #include <sys/syscall.h>
42 #include <sys/signalvar.h>
43 #include <sys/vnode.h>
44
45 #include <vm/vm.h>
46 #include <vm/pmap.h>
47 #include <vm/vm_param.h>
48
49 #include <machine/elf.h>
50 #include <machine/md_var.h>
51
52 struct sysentvec elf64_freebsd_sysvec = {
53 .sv_size = SYS_MAXSYSCALL,
54 .sv_table = sysent,
55 .sv_mask = 0,
56 .sv_sigsize = 0,
57 .sv_sigtbl = NULL,
58 .sv_errsize = 0,
59 .sv_errtbl = NULL,
60 .sv_transtrap = NULL,
61 .sv_fixup = __elfN(freebsd_fixup),
62 .sv_sendsig = sendsig,
63 .sv_sigcode = sigcode,
64 .sv_szsigcode = &szsigcode,
65 .sv_prepsyscall = NULL,
66 .sv_name = "FreeBSD ELF64",
67 .sv_coredump = __elfN(coredump),
68 .sv_imgact_try = NULL,
69 .sv_minsigstksz = MINSIGSTKSZ,
70 .sv_pagesize = PAGE_SIZE,
71 .sv_minuser = VM_MIN_ADDRESS,
72 .sv_maxuser = VM_MAXUSER_ADDRESS,
73 .sv_usrstack = USRSTACK,
74 .sv_psstrings = PS_STRINGS,
75 .sv_stackprot = VM_PROT_ALL,
76 .sv_copyout_strings = exec_copyout_strings,
77 .sv_setregs = exec_setregs,
78 .sv_fixlimit = NULL,
79 .sv_maxssiz = NULL,
80 .sv_flags = SV_ABI_FREEBSD | SV_LP64
81 };
82
83 static Elf64_Brandinfo freebsd_brand_gnutools_info64 = {
84 .brand = ELFOSABI_NONE,
85 .machine = EM_MIPS,
86 .compat_3_brand = "Unix System V ABI",
87 .emul_path = NULL,
88 .interp_path = "/libexec/ld-elf.so.1",
89 .sysvec = &elf64_freebsd_sysvec,
90 .interp_path = "/libexec/ld-elf.so.1",
91 .brand_note = &elf64_freebsd_brandnote,
92 .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE
93 };
94
95 SYSINIT(gnu_mips_elf64, SI_SUB_EXEC, SI_ORDER_ANY,
96 (sysinit_cfunc_t) elf64_insert_brand_entry,
97 &freebsd_brand_gnutools_info64);
98
99 static Elf64_Brandinfo freebsd_brand_info64 = {
100 .brand = ELFOSABI_FREEBSD,
101 .machine = EM_MIPS,
102 .compat_3_brand = "FreeBSD",
103 .emul_path = NULL,
104 .interp_path = "/libexec/ld-elf.so.1",
105 .sysvec = &elf64_freebsd_sysvec,
106 .interp_newpath = NULL,
107 .brand_note = &elf64_freebsd_brandnote,
108 .flags = BI_BRAND_NOTE
109 };
110
111 SYSINIT(elf64, SI_SUB_EXEC, SI_ORDER_ANY,
112 (sysinit_cfunc_t) elf64_insert_brand_entry,
113 &freebsd_brand_info64);
114
115 void
116 elf64_dump_thread(struct thread *td __unused, void *dst __unused,
117 size_t *off __unused)
118 {
119 }
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