elf_machdep.c revision 189771
180708Sjake/*- 280708Sjake * Copyright (c) 2001 Jake Burkholder. 385586Sjake * Copyright (c) 2000 Eduardo Horvath. 485586Sjake * Copyright (c) 1999 The NetBSD Foundation, Inc. 580708Sjake * All rights reserved. 680708Sjake * 785586Sjake * This code is derived from software contributed to The NetBSD Foundation 885586Sjake * by Paul Kranenburg. 985586Sjake * 1080708Sjake * Redistribution and use in source and binary forms, with or without 1180708Sjake * modification, are permitted provided that the following conditions 1280708Sjake * are met: 1380708Sjake * 1. Redistributions of source code must retain the above copyright 1480708Sjake * notice, this list of conditions and the following disclaimer. 1580708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1680708Sjake * notice, this list of conditions and the following disclaimer in the 1780708Sjake * documentation and/or other materials provided with the distribution. 1885586Sjake * 3. All advertising materials mentioning features or use of this software 1985586Sjake * must display the following acknowledgement: 2085586Sjake * This product includes software developed by the NetBSD 2185586Sjake * Foundation, Inc. and its contributors. 2285586Sjake * 4. Neither the name of The NetBSD Foundation nor the names of its 2385586Sjake * contributors may be used to endorse or promote products derived 2485586Sjake * from this software without specific prior written permission. 2580708Sjake * 2685586Sjake * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2785586Sjake * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2885586Sjake * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2985586Sjake * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3085586Sjake * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3185586Sjake * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3285586Sjake * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3385586Sjake * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3485586Sjake * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3585586Sjake * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3685586Sjake * POSSIBILITY OF SUCH DAMAGE. 3780708Sjake * 3885586Sjake * from: NetBSD: mdreloc.c,v 1.5 2001/04/25 12:24:51 kleink Exp 3980708Sjake */ 4080708Sjake 41172708Smarius#include <sys/cdefs.h> 42172708Smarius__FBSDID("$FreeBSD: head/sys/sparc64/sparc64/elf_machdep.c 189771 2009-03-13 16:40:51Z dchagin $"); 43172708Smarius 4480708Sjake#include <sys/param.h> 45100384Speter#include <sys/kernel.h> 4680708Sjake#include <sys/systm.h> 47102808Sjake#include <sys/exec.h> 48102808Sjake#include <sys/imgact.h> 4980708Sjake#include <sys/linker.h> 50100384Speter#include <sys/sysent.h> 51100384Speter#include <sys/imgact_elf.h> 52100384Speter#include <sys/syscall.h> 53100384Speter#include <sys/signalvar.h> 54100384Speter#include <sys/vnode.h> 55102808Sjake 56102808Sjake#include <vm/vm.h> 57102808Sjake#include <vm/vm_param.h> 58102808Sjake 5980708Sjake#include <machine/elf.h> 6080708Sjake 6185586Sjake#include "linker_if.h" 6285586Sjake 63172708Smariusstatic struct sysentvec elf64_freebsd_sysvec = { 64183322Skib .sv_size = SYS_MAXSYSCALL, 65183322Skib .sv_table = sysent, 66183322Skib .sv_mask = 0, 67183322Skib .sv_sigsize = 0, 68183322Skib .sv_sigtbl = NULL, 69183322Skib .sv_errsize = 0, 70183322Skib .sv_errtbl = NULL, 71183322Skib .sv_transtrap = NULL, 72183322Skib .sv_fixup = __elfN(freebsd_fixup), 73183322Skib .sv_sendsig = sendsig, 74183322Skib .sv_sigcode = NULL, 75183322Skib .sv_szsigcode = NULL, 76183322Skib .sv_prepsyscall = NULL, 77183322Skib .sv_name = "FreeBSD ELF64", 78183322Skib .sv_coredump = __elfN(coredump), 79183322Skib .sv_imgact_try = NULL, 80183322Skib .sv_minsigstksz = MINSIGSTKSZ, 81183322Skib .sv_pagesize = PAGE_SIZE, 82183322Skib .sv_minuser = VM_MIN_ADDRESS, 83183322Skib .sv_maxuser = VM_MAXUSER_ADDRESS, 84183322Skib .sv_usrstack = USRSTACK, 85183322Skib .sv_psstrings = PS_STRINGS, 86183322Skib .sv_stackprot = VM_PROT_READ | VM_PROT_WRITE, 87183322Skib .sv_copyout_strings = exec_copyout_strings, 88183322Skib .sv_setregs = exec_setregs, 89183322Skib .sv_fixlimit = NULL, 90185169Skib .sv_maxssiz = NULL, 91185169Skib .sv_flags = SV_ABI_FREEBSD | SV_LP64 92100384Speter}; 93100384Speter 94100384Speterstatic Elf64_Brandinfo freebsd_brand_info = { 95183322Skib .brand = ELFOSABI_FREEBSD, 96183322Skib .machine = EM_SPARCV9, 97183322Skib .compat_3_brand = "FreeBSD", 98183322Skib .emul_path = NULL, 99183322Skib .interp_path = "/libexec/ld-elf.so.1", 100183322Skib .sysvec = &elf64_freebsd_sysvec, 101183322Skib .interp_newpath = NULL, 102189771Sdchagin .brand_note = &elf64_freebsd_brandnote, 103189771Sdchagin .flags = BI_CAN_EXEC_DYN 104183322Skib}; 105100384Speter 106100384SpeterSYSINIT(elf64, SI_SUB_EXEC, SI_ORDER_ANY, 107183322Skib (sysinit_cfunc_t) elf64_insert_brand_entry, 108183322Skib &freebsd_brand_info); 109100384Speter 110123742Speterstatic Elf64_Brandinfo freebsd_brand_oinfo = { 111183322Skib .brand = ELFOSABI_FREEBSD, 112183322Skib .machine = EM_SPARCV9, 113183322Skib .compat_3_brand = "FreeBSD", 114183322Skib .emul_path = NULL, 115183322Skib .interp_path = "/usr/libexec/ld-elf.so.1", 116183322Skib .sysvec = &elf64_freebsd_sysvec, 117183322Skib .interp_newpath = NULL, 118189771Sdchagin .brand_note = &elf64_freebsd_brandnote, 119189771Sdchagin .flags = BI_CAN_EXEC_DYN 120183322Skib}; 121123742Speter 122123742SpeterSYSINIT(oelf64, SI_SUB_EXEC, SI_ORDER_ANY, 123123742Speter (sysinit_cfunc_t) elf64_insert_brand_entry, 124123742Speter &freebsd_brand_oinfo); 125123742Speter 126133464Smarcel 127133464Smarcelvoid 128133464Smarcelelf64_dump_thread(struct thread *td __unused, void *dst __unused, 129133464Smarcel size_t *off __unused) 130133464Smarcel{ 131133464Smarcel} 132133464Smarcel 133133464Smarcel 13485586Sjake/* 13585586Sjake * The following table holds for each relocation type: 13685586Sjake * - the width in bits of the memory location the relocation 13785586Sjake * applies to (not currently used) 13885586Sjake * - the number of bits the relocation value must be shifted to the 13985586Sjake * right (i.e. discard least significant bits) to fit into 14085586Sjake * the appropriate field in the instruction word. 14185586Sjake * - flags indicating whether 14285586Sjake * * the relocation involves a symbol 14385586Sjake * * the relocation is relative to the current position 14485586Sjake * * the relocation is for a GOT entry 14585586Sjake * * the relocation is relative to the load address 14685586Sjake * 14785586Sjake */ 14885586Sjake#define _RF_S 0x80000000 /* Resolve symbol */ 14985586Sjake#define _RF_A 0x40000000 /* Use addend */ 15085586Sjake#define _RF_P 0x20000000 /* Location relative */ 15185586Sjake#define _RF_G 0x10000000 /* GOT offset */ 15285586Sjake#define _RF_B 0x08000000 /* Load address relative */ 15385586Sjake#define _RF_U 0x04000000 /* Unaligned */ 15485586Sjake#define _RF_SZ(s) (((s) & 0xff) << 8) /* memory target size */ 15585586Sjake#define _RF_RS(s) ( (s) & 0xff) /* right shift */ 156172708Smariusstatic const int reloc_target_flags[] = { 15785586Sjake 0, /* NONE */ 15885586Sjake _RF_S|_RF_A| _RF_SZ(8) | _RF_RS(0), /* RELOC_8 */ 15985586Sjake _RF_S|_RF_A| _RF_SZ(16) | _RF_RS(0), /* RELOC_16 */ 16085586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* RELOC_32 */ 16185586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(8) | _RF_RS(0), /* DISP_8 */ 16285586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(16) | _RF_RS(0), /* DISP_16 */ 16385586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* DISP_32 */ 16485586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP_30 */ 16585586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP_22 */ 166104072Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(10), /* HI22 */ 16785586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 22 */ 16885586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 13 */ 169104072Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* LO10 */ 17085586Sjake _RF_G| _RF_SZ(32) | _RF_RS(0), /* GOT10 */ 17185586Sjake _RF_G| _RF_SZ(32) | _RF_RS(0), /* GOT13 */ 17285586Sjake _RF_G| _RF_SZ(32) | _RF_RS(10), /* GOT22 */ 17385586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PC10 */ 17485586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PC22 */ 17585586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WPLT30 */ 17685586Sjake _RF_SZ(32) | _RF_RS(0), /* COPY */ 17785586Sjake _RF_S|_RF_A| _RF_SZ(64) | _RF_RS(0), /* GLOB_DAT */ 17885586Sjake _RF_SZ(32) | _RF_RS(0), /* JMP_SLOT */ 179104072Sjake _RF_A| _RF_B| _RF_SZ(64) | _RF_RS(0), /* RELATIVE */ 180104072Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(32) | _RF_RS(0), /* UA_32 */ 18185586Sjake 18285586Sjake _RF_A| _RF_SZ(32) | _RF_RS(0), /* PLT32 */ 18385586Sjake _RF_A| _RF_SZ(32) | _RF_RS(10), /* HIPLT22 */ 18485586Sjake _RF_A| _RF_SZ(32) | _RF_RS(0), /* LOPLT10 */ 18585586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PCPLT32 */ 18685586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PCPLT22 */ 18785586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PCPLT10 */ 18885586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 10 */ 18985586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 11 */ 19085586Sjake _RF_S|_RF_A| _RF_SZ(64) | _RF_RS(0), /* 64 */ 19185586Sjake _RF_S|_RF_A|/*extra*/ _RF_SZ(32) | _RF_RS(0), /* OLO10 */ 19285586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(42), /* HH22 */ 19385586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(32), /* HM10 */ 19485586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(10), /* LM22 */ 19585586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(42), /* PC_HH22 */ 19685586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(32), /* PC_HM10 */ 19785586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PC_LM22 */ 19885586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP16 */ 19985586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP19 */ 20085586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* GLOB_JMP */ 20185586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 7 */ 20285586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 5 */ 20385586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* 6 */ 20485586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(64) | _RF_RS(0), /* DISP64 */ 20585586Sjake _RF_A| _RF_SZ(64) | _RF_RS(0), /* PLT64 */ 20685586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(10), /* HIX22 */ 20785586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* LOX10 */ 20885586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(22), /* H44 */ 20985586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(12), /* M44 */ 21085586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* L44 */ 21185586Sjake _RF_S|_RF_A| _RF_SZ(64) | _RF_RS(0), /* REGISTER */ 21285586Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(64) | _RF_RS(0), /* UA64 */ 21385586Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(16) | _RF_RS(0), /* UA16 */ 21485586Sjake}; 21585586Sjake 216104072Sjake#if 0 217104072Sjakestatic const char *reloc_names[] = { 218104072Sjake "NONE", "RELOC_8", "RELOC_16", "RELOC_32", "DISP_8", 219104072Sjake "DISP_16", "DISP_32", "WDISP_30", "WDISP_22", "HI22", 220104072Sjake "22", "13", "LO10", "GOT10", "GOT13", 221104072Sjake "GOT22", "PC10", "PC22", "WPLT30", "COPY", 222104072Sjake "GLOB_DAT", "JMP_SLOT", "RELATIVE", "UA_32", "PLT32", 223104072Sjake "HIPLT22", "LOPLT10", "LOPLT10", "PCPLT22", "PCPLT32", 224104072Sjake "10", "11", "64", "OLO10", "HH22", 225104072Sjake "HM10", "LM22", "PC_HH22", "PC_HM10", "PC_LM22", 226104072Sjake "WDISP16", "WDISP19", "GLOB_JMP", "7", "5", "6", 227104072Sjake "DISP64", "PLT64", "HIX22", "LOX10", "H44", "M44", 228104072Sjake "L44", "REGISTER", "UA64", "UA16" 229104072Sjake}; 230104072Sjake#endif 231104072Sjake 23285586Sjake#define RELOC_RESOLVE_SYMBOL(t) ((reloc_target_flags[t] & _RF_S) != 0) 23385586Sjake#define RELOC_PC_RELATIVE(t) ((reloc_target_flags[t] & _RF_P) != 0) 23485586Sjake#define RELOC_BASE_RELATIVE(t) ((reloc_target_flags[t] & _RF_B) != 0) 23585586Sjake#define RELOC_UNALIGNED(t) ((reloc_target_flags[t] & _RF_U) != 0) 23685586Sjake#define RELOC_USE_ADDEND(t) ((reloc_target_flags[t] & _RF_A) != 0) 23785586Sjake#define RELOC_TARGET_SIZE(t) ((reloc_target_flags[t] >> 8) & 0xff) 23885586Sjake#define RELOC_VALUE_RIGHTSHIFT(t) (reloc_target_flags[t] & 0xff) 23985586Sjake 240172708Smariusstatic const long reloc_target_bitmask[] = { 24185586Sjake#define _BM(x) (~(-(1ULL << (x)))) 24285586Sjake 0, /* NONE */ 24385586Sjake _BM(8), _BM(16), _BM(32), /* RELOC_8, _16, _32 */ 24485586Sjake _BM(8), _BM(16), _BM(32), /* DISP8, DISP16, DISP32 */ 24585586Sjake _BM(30), _BM(22), /* WDISP30, WDISP22 */ 24685586Sjake _BM(22), _BM(22), /* HI22, _22 */ 24785586Sjake _BM(13), _BM(10), /* RELOC_13, _LO10 */ 24885586Sjake _BM(10), _BM(13), _BM(22), /* GOT10, GOT13, GOT22 */ 24985586Sjake _BM(10), _BM(22), /* _PC10, _PC22 */ 25085586Sjake _BM(30), 0, /* _WPLT30, _COPY */ 25185586Sjake _BM(32), _BM(32), _BM(32), /* _GLOB_DAT, JMP_SLOT, _RELATIVE */ 25285586Sjake _BM(32), _BM(32), /* _UA32, PLT32 */ 25385586Sjake _BM(22), _BM(10), /* _HIPLT22, LOPLT10 */ 25485586Sjake _BM(32), _BM(22), _BM(10), /* _PCPLT32, _PCPLT22, _PCPLT10 */ 25585586Sjake _BM(10), _BM(11), -1, /* _10, _11, _64 */ 256172708Smarius _BM(13), _BM(22), /* _OLO10, _HH22 */ 25785586Sjake _BM(10), _BM(22), /* _HM10, _LM22 */ 25885586Sjake _BM(22), _BM(10), _BM(22), /* _PC_HH22, _PC_HM10, _PC_LM22 */ 25985586Sjake _BM(16), _BM(19), /* _WDISP16, _WDISP19 */ 26085586Sjake -1, /* GLOB_JMP */ 26185586Sjake _BM(7), _BM(5), _BM(6) /* _7, _5, _6 */ 26285586Sjake -1, -1, /* DISP64, PLT64 */ 26385586Sjake _BM(22), _BM(13), /* HIX22, LOX10 */ 26485586Sjake _BM(22), _BM(10), _BM(13), /* H44, M44, L44 */ 26585586Sjake -1, -1, _BM(16), /* REGISTER, UA64, UA16 */ 26685586Sjake#undef _BM 26785586Sjake}; 26885586Sjake#define RELOC_VALUE_BITMASK(t) (reloc_target_bitmask[t]) 26985586Sjake 270109605Sjakeint 271129282Speterelf_reloc_local(linker_file_t lf, Elf_Addr relocbase, const void *data, 272129282Speter int type, elf_lookup_fn lookup) 273109605Sjake{ 274109605Sjake const Elf_Rela *rela; 275109605Sjake Elf_Addr value; 276109605Sjake Elf_Addr *where; 277109605Sjake 278109605Sjake if (type != ELF_RELOC_RELA) 279109605Sjake return (-1); 280109605Sjake 281109605Sjake rela = (const Elf_Rela *)data; 282172708Smarius if (ELF64_R_TYPE_ID(rela->r_info) != R_SPARC_RELATIVE) 283109605Sjake return (-1); 284109605Sjake 285109605Sjake value = rela->r_addend + (Elf_Addr)lf->address; 286109605Sjake where = (Elf_Addr *)((Elf_Addr)lf->address + rela->r_offset); 287109605Sjake 288109605Sjake *where = value; 289109605Sjake 290109605Sjake return (0); 291109605Sjake} 292109605Sjake 29385586Sjake/* Process one elf relocation with addend. */ 29480708Sjakeint 295129282Speterelf_reloc(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, 296129282Speter elf_lookup_fn lookup) 29780708Sjake{ 29885586Sjake const Elf_Rela *rela; 299153504Smarcel Elf_Word *where32; 30085586Sjake Elf_Addr *where; 301153504Smarcel Elf_Size rtype, symidx; 30285586Sjake Elf_Addr value; 30385586Sjake Elf_Addr mask; 30498635Smux Elf_Addr addr; 30585586Sjake 30685586Sjake if (type != ELF_RELOC_RELA) 30785586Sjake return (-1); 30885586Sjake 30985586Sjake rela = (const Elf_Rela *)data; 31085586Sjake where = (Elf_Addr *)(relocbase + rela->r_offset); 311153504Smarcel where32 = (Elf_Word *)where; 312172708Smarius rtype = ELF64_R_TYPE_ID(rela->r_info); 31395410Smarcel symidx = ELF_R_SYM(rela->r_info); 31485586Sjake 315109605Sjake if (rtype == R_SPARC_NONE || rtype == R_SPARC_RELATIVE) 31685586Sjake return (0); 31785586Sjake 31885586Sjake if (rtype == R_SPARC_JMP_SLOT || rtype == R_SPARC_COPY || 319172708Smarius rtype >= sizeof(reloc_target_bitmask) / 320172708Smarius sizeof(*reloc_target_bitmask)) 32185586Sjake return (-1); 32285586Sjake 32385586Sjake if (RELOC_UNALIGNED(rtype)) 32485586Sjake return (-1); 32585586Sjake 32685586Sjake value = rela->r_addend; 32785586Sjake 32885586Sjake if (RELOC_RESOLVE_SYMBOL(rtype)) { 329129282Speter addr = lookup(lf, symidx, 1); 330107517Stmm if (addr == 0) 331107517Stmm return (-1); 332107517Stmm value += addr; 33385586Sjake } 33485586Sjake 335172708Smarius if (rtype == R_SPARC_OLO10) 336172708Smarius value = (value & 0x3ff) + ELF64_R_TYPE_DATA(rela->r_info); 337172708Smarius 33885586Sjake if (RELOC_PC_RELATIVE(rtype)) 33985586Sjake value -= (Elf_Addr)where; 34085586Sjake 34185586Sjake if (RELOC_BASE_RELATIVE(rtype)) 34298635Smux value += relocbase; 34385586Sjake 34485586Sjake mask = RELOC_VALUE_BITMASK(rtype); 34585586Sjake value >>= RELOC_VALUE_RIGHTSHIFT(rtype); 34685586Sjake value &= mask; 34785586Sjake 34885586Sjake if (RELOC_TARGET_SIZE(rtype) > 32) { 34985586Sjake *where &= ~mask; 35085586Sjake *where |= value; 35185586Sjake } else { 35285586Sjake *where32 &= ~mask; 35385586Sjake *where32 |= value; 35485586Sjake } 35585586Sjake 35680708Sjake return (0); 35780708Sjake} 358105469Smarcel 359105469Smarcelint 360105469Smarcelelf_cpu_load_file(linker_file_t lf __unused) 361105469Smarcel{ 362105469Smarcel 363105469Smarcel return (0); 364105469Smarcel} 365105469Smarcel 366105469Smarcelint 367105469Smarcelelf_cpu_unload_file(linker_file_t lf __unused) 368105469Smarcel{ 369105469Smarcel 370105469Smarcel return (0); 371105469Smarcel} 372