elf_machdep.c revision 219531
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 219531 2011-03-11 20:01:57Z marius $"); 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> 50208453Skib#include <sys/proc.h> 51100384Speter#include <sys/sysent.h> 52100384Speter#include <sys/imgact_elf.h> 53100384Speter#include <sys/syscall.h> 54100384Speter#include <sys/signalvar.h> 55100384Speter#include <sys/vnode.h> 56102808Sjake 57102808Sjake#include <vm/vm.h> 58102808Sjake#include <vm/vm_param.h> 59102808Sjake 6080708Sjake#include <machine/elf.h> 6180708Sjake 6285586Sjake#include "linker_if.h" 6385586Sjake 64172708Smariusstatic struct sysentvec elf64_freebsd_sysvec = { 65183322Skib .sv_size = SYS_MAXSYSCALL, 66183322Skib .sv_table = sysent, 67183322Skib .sv_mask = 0, 68183322Skib .sv_sigsize = 0, 69183322Skib .sv_sigtbl = NULL, 70183322Skib .sv_errsize = 0, 71183322Skib .sv_errtbl = NULL, 72183322Skib .sv_transtrap = NULL, 73183322Skib .sv_fixup = __elfN(freebsd_fixup), 74183322Skib .sv_sendsig = sendsig, 75183322Skib .sv_sigcode = NULL, 76183322Skib .sv_szsigcode = NULL, 77183322Skib .sv_prepsyscall = NULL, 78183322Skib .sv_name = "FreeBSD ELF64", 79183322Skib .sv_coredump = __elfN(coredump), 80183322Skib .sv_imgact_try = NULL, 81183322Skib .sv_minsigstksz = MINSIGSTKSZ, 82183322Skib .sv_pagesize = PAGE_SIZE, 83183322Skib .sv_minuser = VM_MIN_ADDRESS, 84183322Skib .sv_maxuser = VM_MAXUSER_ADDRESS, 85183322Skib .sv_usrstack = USRSTACK, 86183322Skib .sv_psstrings = PS_STRINGS, 87183322Skib .sv_stackprot = VM_PROT_READ | VM_PROT_WRITE, 88183322Skib .sv_copyout_strings = exec_copyout_strings, 89183322Skib .sv_setregs = exec_setregs, 90183322Skib .sv_fixlimit = NULL, 91185169Skib .sv_maxssiz = NULL, 92208453Skib .sv_flags = SV_ABI_FREEBSD | SV_LP64, 93208453Skib .sv_set_syscall_retval = cpu_set_syscall_retval, 94208453Skib .sv_fetch_syscall_args = cpu_fetch_syscall_args, 95208453Skib .sv_syscallnames = syscallnames, 96219405Sdchagin .sv_schedtail = NULL, 97100384Speter}; 98100384Speter 99100384Speterstatic Elf64_Brandinfo freebsd_brand_info = { 100183322Skib .brand = ELFOSABI_FREEBSD, 101183322Skib .machine = EM_SPARCV9, 102183322Skib .compat_3_brand = "FreeBSD", 103183322Skib .emul_path = NULL, 104183322Skib .interp_path = "/libexec/ld-elf.so.1", 105183322Skib .sysvec = &elf64_freebsd_sysvec, 106183322Skib .interp_newpath = NULL, 107189771Sdchagin .brand_note = &elf64_freebsd_brandnote, 108190708Sdchagin .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE 109183322Skib}; 110100384Speter 111197729SbzSYSINIT(elf64, SI_SUB_EXEC, SI_ORDER_FIRST, 112183322Skib (sysinit_cfunc_t) elf64_insert_brand_entry, 113183322Skib &freebsd_brand_info); 114100384Speter 115123742Speterstatic Elf64_Brandinfo freebsd_brand_oinfo = { 116183322Skib .brand = ELFOSABI_FREEBSD, 117183322Skib .machine = EM_SPARCV9, 118183322Skib .compat_3_brand = "FreeBSD", 119183322Skib .emul_path = NULL, 120183322Skib .interp_path = "/usr/libexec/ld-elf.so.1", 121183322Skib .sysvec = &elf64_freebsd_sysvec, 122183322Skib .interp_newpath = NULL, 123189771Sdchagin .brand_note = &elf64_freebsd_brandnote, 124190708Sdchagin .flags = BI_CAN_EXEC_DYN | BI_BRAND_NOTE 125183322Skib}; 126123742Speter 127123742SpeterSYSINIT(oelf64, SI_SUB_EXEC, SI_ORDER_ANY, 128123742Speter (sysinit_cfunc_t) elf64_insert_brand_entry, 129123742Speter &freebsd_brand_oinfo); 130123742Speter 131133464Smarcel 132133464Smarcelvoid 133133464Smarcelelf64_dump_thread(struct thread *td __unused, void *dst __unused, 134133464Smarcel size_t *off __unused) 135133464Smarcel{ 136213104Smarius 137133464Smarcel} 138133464Smarcel 13985586Sjake/* 14085586Sjake * The following table holds for each relocation type: 14185586Sjake * - the width in bits of the memory location the relocation 14285586Sjake * applies to (not currently used) 14385586Sjake * - the number of bits the relocation value must be shifted to the 14485586Sjake * right (i.e. discard least significant bits) to fit into 14585586Sjake * the appropriate field in the instruction word. 14685586Sjake * - flags indicating whether 14785586Sjake * * the relocation involves a symbol 14885586Sjake * * the relocation is relative to the current position 14985586Sjake * * the relocation is for a GOT entry 15085586Sjake * * the relocation is relative to the load address 15185586Sjake * 15285586Sjake */ 15385586Sjake#define _RF_S 0x80000000 /* Resolve symbol */ 15485586Sjake#define _RF_A 0x40000000 /* Use addend */ 15585586Sjake#define _RF_P 0x20000000 /* Location relative */ 15685586Sjake#define _RF_G 0x10000000 /* GOT offset */ 15785586Sjake#define _RF_B 0x08000000 /* Load address relative */ 15885586Sjake#define _RF_U 0x04000000 /* Unaligned */ 159212998Skib#define _RF_X 0x02000000 /* Bare symbols, needs proc */ 16085586Sjake#define _RF_SZ(s) (((s) & 0xff) << 8) /* memory target size */ 16185586Sjake#define _RF_RS(s) ( (s) & 0xff) /* right shift */ 162172708Smariusstatic const int reloc_target_flags[] = { 16385586Sjake 0, /* NONE */ 16485586Sjake _RF_S|_RF_A| _RF_SZ(8) | _RF_RS(0), /* RELOC_8 */ 16585586Sjake _RF_S|_RF_A| _RF_SZ(16) | _RF_RS(0), /* RELOC_16 */ 16685586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* RELOC_32 */ 16785586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(8) | _RF_RS(0), /* DISP_8 */ 16885586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(16) | _RF_RS(0), /* DISP_16 */ 16985586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* DISP_32 */ 17085586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP_30 */ 17185586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP_22 */ 172212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(10), /* HI22 */ 173212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 22 */ 174212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 13 */ 175212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* LO10 */ 17685586Sjake _RF_G| _RF_SZ(32) | _RF_RS(0), /* GOT10 */ 17785586Sjake _RF_G| _RF_SZ(32) | _RF_RS(0), /* GOT13 */ 17885586Sjake _RF_G| _RF_SZ(32) | _RF_RS(10), /* GOT22 */ 17985586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PC10 */ 18085586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PC22 */ 18185586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WPLT30 */ 18285586Sjake _RF_SZ(32) | _RF_RS(0), /* COPY */ 18385586Sjake _RF_S|_RF_A| _RF_SZ(64) | _RF_RS(0), /* GLOB_DAT */ 18485586Sjake _RF_SZ(32) | _RF_RS(0), /* JMP_SLOT */ 185104072Sjake _RF_A| _RF_B| _RF_SZ(64) | _RF_RS(0), /* RELATIVE */ 186104072Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(32) | _RF_RS(0), /* UA_32 */ 18785586Sjake 18885586Sjake _RF_A| _RF_SZ(32) | _RF_RS(0), /* PLT32 */ 18985586Sjake _RF_A| _RF_SZ(32) | _RF_RS(10), /* HIPLT22 */ 19085586Sjake _RF_A| _RF_SZ(32) | _RF_RS(0), /* LOPLT10 */ 19185586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PCPLT32 */ 19285586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PCPLT22 */ 19385586Sjake _RF_A|_RF_P| _RF_SZ(32) | _RF_RS(0), /* PCPLT10 */ 194212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 10 */ 195212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 11 */ 196212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(64) | _RF_RS(0), /* 64 */ 19785586Sjake _RF_S|_RF_A|/*extra*/ _RF_SZ(32) | _RF_RS(0), /* OLO10 */ 198212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(42), /* HH22 */ 199212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(32), /* HM10 */ 200212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(10), /* LM22 */ 20185586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(42), /* PC_HH22 */ 20285586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(32), /* PC_HM10 */ 20385586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(10), /* PC_LM22 */ 20485586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP16 */ 20585586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(32) | _RF_RS(2), /* WDISP19 */ 20685586Sjake _RF_S|_RF_A| _RF_SZ(32) | _RF_RS(0), /* GLOB_JMP */ 207212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 7 */ 208212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 5 */ 209212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* 6 */ 21085586Sjake _RF_S|_RF_A|_RF_P| _RF_SZ(64) | _RF_RS(0), /* DISP64 */ 21185586Sjake _RF_A| _RF_SZ(64) | _RF_RS(0), /* PLT64 */ 212212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(10), /* HIX22 */ 213212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* LOX10 */ 214212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(22), /* H44 */ 215212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(12), /* M44 */ 216212998Skib _RF_S|_RF_A|_RF_X| _RF_SZ(32) | _RF_RS(0), /* L44 */ 21785586Sjake _RF_S|_RF_A| _RF_SZ(64) | _RF_RS(0), /* REGISTER */ 21885586Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(64) | _RF_RS(0), /* UA64 */ 21985586Sjake _RF_S|_RF_A| _RF_U| _RF_SZ(16) | _RF_RS(0), /* UA16 */ 22085586Sjake}; 22185586Sjake 222104072Sjake#if 0 223213104Smariusstatic const char *const reloc_names[] = { 224104072Sjake "NONE", "RELOC_8", "RELOC_16", "RELOC_32", "DISP_8", 225104072Sjake "DISP_16", "DISP_32", "WDISP_30", "WDISP_22", "HI22", 226104072Sjake "22", "13", "LO10", "GOT10", "GOT13", 227104072Sjake "GOT22", "PC10", "PC22", "WPLT30", "COPY", 228104072Sjake "GLOB_DAT", "JMP_SLOT", "RELATIVE", "UA_32", "PLT32", 229104072Sjake "HIPLT22", "LOPLT10", "LOPLT10", "PCPLT22", "PCPLT32", 230104072Sjake "10", "11", "64", "OLO10", "HH22", 231219339Smarius "HM10", "LM22", "PC_HH22", "PC_HM10", "PC_LM22", 232104072Sjake "WDISP16", "WDISP19", "GLOB_JMP", "7", "5", "6", 233219339Smarius "DISP64", "PLT64", "HIX22", "LOX10", "H44", "M44", 234104072Sjake "L44", "REGISTER", "UA64", "UA16" 235104072Sjake}; 236104072Sjake#endif 237104072Sjake 23885586Sjake#define RELOC_RESOLVE_SYMBOL(t) ((reloc_target_flags[t] & _RF_S) != 0) 23985586Sjake#define RELOC_PC_RELATIVE(t) ((reloc_target_flags[t] & _RF_P) != 0) 24085586Sjake#define RELOC_BASE_RELATIVE(t) ((reloc_target_flags[t] & _RF_B) != 0) 24185586Sjake#define RELOC_UNALIGNED(t) ((reloc_target_flags[t] & _RF_U) != 0) 24285586Sjake#define RELOC_USE_ADDEND(t) ((reloc_target_flags[t] & _RF_A) != 0) 243212998Skib#define RELOC_BARE_SYMBOL(t) ((reloc_target_flags[t] & _RF_X) != 0) 24485586Sjake#define RELOC_TARGET_SIZE(t) ((reloc_target_flags[t] >> 8) & 0xff) 24585586Sjake#define RELOC_VALUE_RIGHTSHIFT(t) (reloc_target_flags[t] & 0xff) 24685586Sjake 247172708Smariusstatic const long reloc_target_bitmask[] = { 24885586Sjake#define _BM(x) (~(-(1ULL << (x)))) 24985586Sjake 0, /* NONE */ 25085586Sjake _BM(8), _BM(16), _BM(32), /* RELOC_8, _16, _32 */ 25185586Sjake _BM(8), _BM(16), _BM(32), /* DISP8, DISP16, DISP32 */ 25285586Sjake _BM(30), _BM(22), /* WDISP30, WDISP22 */ 25385586Sjake _BM(22), _BM(22), /* HI22, _22 */ 25485586Sjake _BM(13), _BM(10), /* RELOC_13, _LO10 */ 25585586Sjake _BM(10), _BM(13), _BM(22), /* GOT10, GOT13, GOT22 */ 256219339Smarius _BM(10), _BM(22), /* PC10, PC22 */ 257219339Smarius _BM(30), 0, /* WPLT30, COPY */ 258219339Smarius _BM(32), _BM(32), _BM(32), /* GLOB_DAT, JMP_SLOT, RELATIVE */ 259219339Smarius _BM(32), _BM(32), /* UA32, PLT32 */ 260219339Smarius _BM(22), _BM(10), /* HIPLT22, LOPLT10 */ 261219339Smarius _BM(32), _BM(22), _BM(10), /* PCPLT32, _PCPLT22, _PCPLT10 */ 262219339Smarius _BM(10), _BM(11), -1, /* 10, 11, 64 */ 263219339Smarius _BM(13), _BM(22), /* OLO10, HH22 */ 264219339Smarius _BM(10), _BM(22), /* HM10, LM22 */ 265219339Smarius _BM(22), _BM(10), _BM(22), /* PC_HH22, PC_HM10, PC_LM22 */ 266219339Smarius _BM(16), _BM(19), /* WDISP16, WDISP19 */ 26785586Sjake -1, /* GLOB_JMP */ 268219339Smarius _BM(7), _BM(5), _BM(6) /* 7, 5, 6 */ 26985586Sjake -1, -1, /* DISP64, PLT64 */ 27085586Sjake _BM(22), _BM(13), /* HIX22, LOX10 */ 27185586Sjake _BM(22), _BM(10), _BM(13), /* H44, M44, L44 */ 27285586Sjake -1, -1, _BM(16), /* REGISTER, UA64, UA16 */ 27385586Sjake#undef _BM 27485586Sjake}; 27585586Sjake#define RELOC_VALUE_BITMASK(t) (reloc_target_bitmask[t]) 27685586Sjake 277109605Sjakeint 278129282Speterelf_reloc_local(linker_file_t lf, Elf_Addr relocbase, const void *data, 279213104Smarius int type, elf_lookup_fn lookup __unused) 280109605Sjake{ 281109605Sjake const Elf_Rela *rela; 282109605Sjake Elf_Addr *where; 283109605Sjake 284109605Sjake if (type != ELF_RELOC_RELA) 285109605Sjake return (-1); 286109605Sjake 287109605Sjake rela = (const Elf_Rela *)data; 288172708Smarius if (ELF64_R_TYPE_ID(rela->r_info) != R_SPARC_RELATIVE) 289109605Sjake return (-1); 290109605Sjake 291213104Smarius where = (Elf_Addr *)(relocbase + rela->r_offset); 292213104Smarius *where = elf_relocaddr(lf, rela->r_addend + relocbase); 293109605Sjake 294109605Sjake return (0); 295109605Sjake} 296109605Sjake 29785586Sjake/* Process one elf relocation with addend. */ 29880708Sjakeint 299129282Speterelf_reloc(linker_file_t lf, Elf_Addr relocbase, const void *data, int type, 300129282Speter elf_lookup_fn lookup) 30180708Sjake{ 30285586Sjake const Elf_Rela *rela; 303153504Smarcel Elf_Word *where32; 30485586Sjake Elf_Addr *where; 305153504Smarcel Elf_Size rtype, symidx; 30685586Sjake Elf_Addr value; 30785586Sjake Elf_Addr mask; 30898635Smux Elf_Addr addr; 30985586Sjake 31085586Sjake if (type != ELF_RELOC_RELA) 31185586Sjake return (-1); 31285586Sjake 31385586Sjake rela = (const Elf_Rela *)data; 31485586Sjake where = (Elf_Addr *)(relocbase + rela->r_offset); 315153504Smarcel where32 = (Elf_Word *)where; 316172708Smarius rtype = ELF64_R_TYPE_ID(rela->r_info); 31795410Smarcel symidx = ELF_R_SYM(rela->r_info); 31885586Sjake 319109605Sjake if (rtype == R_SPARC_NONE || rtype == R_SPARC_RELATIVE) 32085586Sjake return (0); 32185586Sjake 32285586Sjake if (rtype == R_SPARC_JMP_SLOT || rtype == R_SPARC_COPY || 323172708Smarius rtype >= sizeof(reloc_target_bitmask) / 324172708Smarius sizeof(*reloc_target_bitmask)) 32585586Sjake return (-1); 32685586Sjake 32785586Sjake if (RELOC_UNALIGNED(rtype)) 32885586Sjake return (-1); 32985586Sjake 33085586Sjake value = rela->r_addend; 33185586Sjake 33285586Sjake if (RELOC_RESOLVE_SYMBOL(rtype)) { 333129282Speter addr = lookup(lf, symidx, 1); 334107517Stmm if (addr == 0) 335107517Stmm return (-1); 336219531Smarius value += addr; 337212998Skib if (RELOC_BARE_SYMBOL(rtype)) 338212998Skib value = elf_relocaddr(lf, value); 33985586Sjake } 34085586Sjake 341172708Smarius if (rtype == R_SPARC_OLO10) 342172708Smarius value = (value & 0x3ff) + ELF64_R_TYPE_DATA(rela->r_info); 343172708Smarius 344219340Smarius if (rtype == R_SPARC_HIX22) 345219340Smarius value ^= 0xffffffffffffffff; 346219340Smarius 34785586Sjake if (RELOC_PC_RELATIVE(rtype)) 34885586Sjake value -= (Elf_Addr)where; 34985586Sjake 350213104Smarius if (RELOC_BASE_RELATIVE(rtype)) 351194784Sjeff value = elf_relocaddr(lf, value + relocbase); 35285586Sjake 35385586Sjake mask = RELOC_VALUE_BITMASK(rtype); 35485586Sjake value >>= RELOC_VALUE_RIGHTSHIFT(rtype); 35585586Sjake value &= mask; 35685586Sjake 35785586Sjake if (RELOC_TARGET_SIZE(rtype) > 32) { 35885586Sjake *where &= ~mask; 35985586Sjake *where |= value; 36085586Sjake } else { 36185586Sjake *where32 &= ~mask; 36285586Sjake *where32 |= value; 36385586Sjake } 36485586Sjake 36580708Sjake return (0); 36680708Sjake} 367105469Smarcel 368105469Smarcelint 369105469Smarcelelf_cpu_load_file(linker_file_t lf __unused) 370105469Smarcel{ 371105469Smarcel 372105469Smarcel return (0); 373105469Smarcel} 374105469Smarcel 375105469Smarcelint 376105469Smarcelelf_cpu_unload_file(linker_file_t lf __unused) 377105469Smarcel{ 378105469Smarcel 379105469Smarcel return (0); 380105469Smarcel} 381