15aefb655Srie /*
25aefb655Srie  * CDDL HEADER START
35aefb655Srie  *
45aefb655Srie  * The contents of this file are subject to the terms of the
55aefb655Srie  * Common Development and Distribution License (the "License").
65aefb655Srie  * You may not use this file except in compliance with the License.
75aefb655Srie  *
85aefb655Srie  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
95aefb655Srie  * or http://www.opensolaris.org/os/licensing.
105aefb655Srie  * See the License for the specific language governing permissions
115aefb655Srie  * and limitations under the License.
125aefb655Srie  *
135aefb655Srie  * When distributing Covered Code, include this CDDL HEADER in each
145aefb655Srie  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
155aefb655Srie  * If applicable, add the following below this CDDL HEADER, with the
165aefb655Srie  * fields enclosed by brackets "[]" replaced with your own identifying
175aefb655Srie  * information: Portions Copyright [yyyy] [name of copyright owner]
185aefb655Srie  *
195aefb655Srie  * CDDL HEADER END
205aefb655Srie  */
215aefb655Srie 
225aefb655Srie /*
23bb3b4f6cSRod Evans  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
245aefb655Srie  * Use is subject to license terms.
255aefb655Srie  */
265aefb655Srie 
27ba2be530Sab196087 /* Get the x86 version of the relocation engine */
28ba2be530Sab196087 #define	DO_RELOC_LIBLD_X86
29ba2be530Sab196087 
305aefb655Srie #include	<string.h>
315aefb655Srie #include	<stdio.h>
325aefb655Srie #include	<strings.h>
335aefb655Srie #include	<sys/elf_amd64.h>
345aefb655Srie #include	<debug.h>
355aefb655Srie #include	<reloc.h>
36ba2be530Sab196087 #include	<i386/machdep_x86.h>
375aefb655Srie #include	"msg.h"
385aefb655Srie #include	"_libld.h"
39ba2be530Sab196087 #include	"unwind.amd.h"
405aefb655Srie 
41ba2be530Sab196087 
42ba2be530Sab196087 /* Forward declarations */
43ba2be530Sab196087 static Gotndx	*ld_find_gotndx(List *, Gotref, Ofl_desc *, Rel_desc *);
44ba2be530Sab196087 static Xword	ld_calc_got_offset(Rel_desc *, Ofl_desc *);
45ba2be530Sab196087 
46ba2be530Sab196087 
47ba2be530Sab196087 static Word
485aefb655Srie ld_init_rel(Rel_desc *reld, void *reloc)
495aefb655Srie {
505aefb655Srie 	Rela *	rel = (Rela *)reloc;
515aefb655Srie 
525aefb655Srie 	/* LINTED */
53ba2be530Sab196087 	reld->rel_rtype = (Word)ELF_R_TYPE(rel->r_info, M_MACH);
545aefb655Srie 	reld->rel_roffset = rel->r_offset;
555aefb655Srie 	reld->rel_raddend = rel->r_addend;
565aefb655Srie 	reld->rel_typedata = 0;
575aefb655Srie 
585aefb655Srie 	reld->rel_flags |= FLG_REL_RELA;
595aefb655Srie 
605aefb655Srie 	return ((Word)ELF_R_SYM(rel->r_info));
615aefb655Srie }
625aefb655Srie 
63ba2be530Sab196087 static void
645aefb655Srie ld_mach_eflags(Ehdr *ehdr, Ofl_desc *ofl)
655aefb655Srie {
665aefb655Srie 	ofl->ofl_dehdr->e_flags |= ehdr->e_flags;
675aefb655Srie }
685aefb655Srie 
69ba2be530Sab196087 static void
705aefb655Srie ld_mach_make_dynamic(Ofl_desc *ofl, size_t *cnt)
715aefb655Srie {
725aefb655Srie 	if (!(ofl->ofl_flags & FLG_OF_RELOBJ)) {
735aefb655Srie 		/*
745aefb655Srie 		 * Create this entry if we are going to create a PLT table.
755aefb655Srie 		 */
765aefb655Srie 		if (ofl->ofl_pltcnt)
775aefb655Srie 			(*cnt)++;		/* DT_PLTGOT */
785aefb655Srie 	}
795aefb655Srie }
805aefb655Srie 
81ba2be530Sab196087 static void
825aefb655Srie ld_mach_update_odynamic(Ofl_desc *ofl, Dyn **dyn)
835aefb655Srie {
845aefb655Srie 	if (((ofl->ofl_flags & FLG_OF_RELOBJ) == 0) && ofl->ofl_pltcnt) {
855aefb655Srie 		(*dyn)->d_tag = DT_PLTGOT;
865aefb655Srie 		if (ofl->ofl_osgot)
875aefb655Srie 			(*dyn)->d_un.d_ptr = ofl->ofl_osgot->os_shdr->sh_addr;
885aefb655Srie 		else
895aefb655Srie 			(*dyn)->d_un.d_ptr = 0;
905aefb655Srie 		(*dyn)++;
915aefb655Srie 	}
925aefb655Srie }
935aefb655Srie 
94ba2be530Sab196087 static Xword
955aefb655Srie ld_calc_plt_addr(Sym_desc *sdp, Ofl_desc *ofl)
965aefb655Srie {
975aefb655Srie 	Xword	value;
985aefb655Srie 
995aefb655Srie 	value = (Xword)(ofl->ofl_osplt->os_shdr->sh_addr) +
1005aefb655Srie 	    M_PLT_RESERVSZ + ((sdp->sd_aux->sa_PLTndx - 1) * M_PLT_ENTSIZE);
1015aefb655Srie 	return (value);
1025aefb655Srie }
1035aefb655Srie 
1045aefb655Srie /*
1055aefb655Srie  *  Build a single plt entry - code is:
1065aefb655Srie  *	JMP	*name1@GOTPCREL(%rip)
1075aefb655Srie  *	PUSHL	$index
1085aefb655Srie  *	JMP	.PLT0
1095aefb655Srie  */
1105aefb655Srie static uchar_t pltn_entry[M_PLT_ENTSIZE] = {
1115aefb655Srie /* 0x00 jmpq *name1@GOTPCREL(%rip) */	0xff, 0x25, 0x00, 0x00, 0x00, 0x00,
1125aefb655Srie /* 0x06 pushq $index */			0x68, 0x00, 0x00, 0x00, 0x00,
1135aefb655Srie /* 0x0b jmpq  .plt0(%rip) */		0xe9, 0x00, 0x00, 0x00, 0x00
1145aefb655Srie /* 0x10 */
1155aefb655Srie };
1165aefb655Srie 
1175aefb655Srie static uintptr_t
1185aefb655Srie plt_entry(Ofl_desc * ofl, Sym_desc * sdp)
1195aefb655Srie {
1205aefb655Srie 	uchar_t		*plt0, *pltent, *gotent;
1215aefb655Srie 	Sword		plt_off;
1225aefb655Srie 	Word		got_off;
1235aefb655Srie 	Xword		val1;
124ba2be530Sab196087 	int		bswap = (ofl->ofl_flags1 & FLG_OF1_ENCDIFF) != 0;
1255aefb655Srie 
1265aefb655Srie 	got_off = sdp->sd_aux->sa_PLTGOTndx * M_GOT_ENTSIZE;
1275aefb655Srie 	plt_off = M_PLT_RESERVSZ + ((sdp->sd_aux->sa_PLTndx - 1) *
1285aefb655Srie 	    M_PLT_ENTSIZE);
1295aefb655Srie 	plt0 = (uchar_t *)(ofl->ofl_osplt->os_outdata->d_buf);
1305aefb655Srie 	pltent = plt0 + plt_off;
1315aefb655Srie 	gotent = (uchar_t *)(ofl->ofl_osgot->os_outdata->d_buf) + got_off;
1325aefb655Srie 
1335aefb655Srie 	bcopy(pltn_entry, pltent, sizeof (pltn_entry));
1345aefb655Srie 	/*
1355aefb655Srie 	 * Fill in the got entry with the address of the next instruction.
1365aefb655Srie 	 */
1375aefb655Srie 	/* LINTED */
1385aefb655Srie 	*(Word *)gotent = ofl->ofl_osplt->os_shdr->sh_addr + plt_off +
1395aefb655Srie 	    M_PLT_INSSIZE;
140ba2be530Sab196087 	if (bswap)
141ba2be530Sab196087 		/* LINTED */
142ba2be530Sab196087 		*(Word *)gotent = ld_bswap_Word(*(Word *)gotent);
1435aefb655Srie 
1445aefb655Srie 	/*
145f3324781Sab196087 	 * If '-z noreloc' is specified - skip the do_reloc_ld
146f3324781Sab196087 	 * stage.
147f3324781Sab196087 	 */
148f3324781Sab196087 	if (!OFL_DO_RELOC(ofl))
149f3324781Sab196087 		return (1);
150f3324781Sab196087 
151f3324781Sab196087 	/*
1525aefb655Srie 	 * patchup:
1535aefb655Srie 	 *	jmpq	*name1@gotpcrel(%rip)
1545aefb655Srie 	 *
1555aefb655Srie 	 * NOTE: 0x06 represents next instruction.
1565aefb655Srie 	 */
1575aefb655Srie 	val1 = (ofl->ofl_osgot->os_shdr->sh_addr + got_off) -
1585aefb655Srie 	    (ofl->ofl_osplt->os_shdr->sh_addr + plt_off) - 0x06;
1595aefb655Srie 
160f3324781Sab196087 	if (do_reloc_ld(R_AMD64_GOTPCREL, &pltent[0x02],
1615aefb655Srie 	    &val1, MSG_ORIG(MSG_SYM_PLTENT),
162f3324781Sab196087 	    MSG_ORIG(MSG_SPECFIL_PLTENT), bswap, ofl->ofl_lml) == 0) {
163f3324781Sab196087 		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_PLT_PLTNFAIL),
164f3324781Sab196087 		    sdp->sd_aux->sa_PLTndx, demangle(sdp->sd_name));
1655aefb655Srie 		return (S_ERROR);
1665aefb655Srie 	}
1675aefb655Srie 
1685aefb655Srie 	/*
1695aefb655Srie 	 * patchup:
1705aefb655Srie 	 *	pushq	$pltndx
1715aefb655Srie 	 */
1725aefb655Srie 	val1 = (Xword)(sdp->sd_aux->sa_PLTndx - 1);
173f3324781Sab196087 
174f3324781Sab196087 	if (do_reloc_ld(R_AMD64_32, &pltent[0x07],
1755aefb655Srie 	    &val1, MSG_ORIG(MSG_SYM_PLTENT),
176f3324781Sab196087 	    MSG_ORIG(MSG_SPECFIL_PLTENT), bswap, ofl->ofl_lml) == 0) {
177f3324781Sab196087 		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_PLT_PLTNFAIL),
178f3324781Sab196087 		    sdp->sd_aux->sa_PLTndx, demangle(sdp->sd_name));
1795aefb655Srie 		return (S_ERROR);
1805aefb655Srie 	}
1815aefb655Srie 
1825aefb655Srie 	/*
1835aefb655Srie 	 * patchup:
1845aefb655Srie 	 *	jmpq	.plt0(%rip)
185f3324781Sab196087 	 * NOTE: 0x10 represents next instruction. The rather complex
186f3324781Sab196087 	 * series of casts is necessary to sign extend an offset into
187f3324781Sab196087 	 * a 64-bit value while satisfying various compiler error
188f3324781Sab196087 	 * checks.  Handle with care.
1895aefb655Srie 	 */
1905aefb655Srie 	val1 = (Xword)((intptr_t)((uintptr_t)plt0 -
1915aefb655Srie 	    (uintptr_t)(&pltent[0x10])));
1925aefb655Srie 
193f3324781Sab196087 	if (do_reloc_ld(R_AMD64_PC32, &pltent[0x0c],
1945aefb655Srie 	    &val1, MSG_ORIG(MSG_SYM_PLTENT),
195f3324781Sab196087 	    MSG_ORIG(MSG_SPECFIL_PLTENT), bswap, ofl->ofl_lml) == 0) {
196f3324781Sab196087 		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_PLT_PLTNFAIL),
197f3324781Sab196087 		    sdp->sd_aux->sa_PLTndx, demangle(sdp->sd_name));
1985aefb655Srie 		return (S_ERROR);
1995aefb655Srie 	}
200f3324781Sab196087 
2015aefb655Srie 	return (1);
2025aefb655Srie }
2035aefb655Srie 
204ba2be530Sab196087 static uintptr_t
2055aefb655Srie ld_perform_outreloc(Rel_desc * orsp, Ofl_desc * ofl)
2065aefb655Srie {
2075aefb655Srie 	Os_desc *	relosp, * osp = 0;
2085aefb655Srie 	Word		ndx;
2095aefb655Srie 	Xword		roffset, value;
2105aefb655Srie 	Sxword		raddend;
2115aefb655Srie 	Rela		rea;
2125aefb655Srie 	char		*relbits;
2135aefb655Srie 	Sym_desc *	sdp, * psym = (Sym_desc *)0;
2145aefb655Srie 	int		sectmoved = 0;
2155aefb655Srie 
2165aefb655Srie 	raddend = orsp->rel_raddend;
2175aefb655Srie 	sdp = orsp->rel_sym;
2185aefb655Srie 
2195aefb655Srie 	/*
2205aefb655Srie 	 * If the section this relocation is against has been discarded
2215aefb655Srie 	 * (-zignore), then also discard (skip) the relocation itself.
2225aefb655Srie 	 */
2235aefb655Srie 	if (orsp->rel_isdesc && ((orsp->rel_flags &
2245aefb655Srie 	    (FLG_REL_GOT | FLG_REL_BSS | FLG_REL_PLT | FLG_REL_NOINFO)) == 0) &&
2255aefb655Srie 	    (orsp->rel_isdesc->is_flags & FLG_IS_DISCARD)) {
2265aefb655Srie 		DBG_CALL(Dbg_reloc_discard(ofl->ofl_lml, M_MACH, orsp));
2275aefb655Srie 		return (1);
2285aefb655Srie 	}
2295aefb655Srie 
2305aefb655Srie 	/*
2315aefb655Srie 	 * If this is a relocation against a move table, or expanded move
2325aefb655Srie 	 * table, adjust the relocation entries.
2335aefb655Srie 	 */
2345aefb655Srie 	if (orsp->rel_move)
2355aefb655Srie 		ld_adj_movereloc(ofl, orsp);
2365aefb655Srie 
2375aefb655Srie 	/*
2385aefb655Srie 	 * If this is a relocation against a section then we need to adjust the
2395aefb655Srie 	 * raddend field to compensate for the new position of the input section
2405aefb655Srie 	 * within the new output section.
2415aefb655Srie 	 */
2425aefb655Srie 	if (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION) {
2435aefb655Srie 		if (ofl->ofl_parsym.head &&
2445aefb655Srie 		    (sdp->sd_isc->is_flags & FLG_IS_RELUPD) &&
2455aefb655Srie 		    /* LINTED */
2465aefb655Srie 		    (psym = ld_am_I_partial(orsp, orsp->rel_raddend))) {
2475aefb655Srie 			DBG_CALL(Dbg_move_outsctadj(ofl->ofl_lml, psym));
2485aefb655Srie 			sectmoved = 1;
2495aefb655Srie 			if (ofl->ofl_flags & FLG_OF_RELOBJ)
2505aefb655Srie 				raddend = psym->sd_sym->st_value;
2515aefb655Srie 			else
2525aefb655Srie 				raddend = psym->sd_sym->st_value -
2535aefb655Srie 				    psym->sd_isc->is_osdesc->os_shdr->sh_addr;
2545aefb655Srie 			/* LINTED */
2555aefb655Srie 			raddend += (Off)_elf_getxoff(psym->sd_isc->is_indata);
2565aefb655Srie 			if (psym->sd_isc->is_shdr->sh_flags & SHF_ALLOC)
2575aefb655Srie 				raddend +=
2585aefb655Srie 				    psym->sd_isc->is_osdesc->os_shdr->sh_addr;
2595aefb655Srie 		} else {
2605aefb655Srie 			/* LINTED */
2615aefb655Srie 			raddend += (Off)_elf_getxoff(sdp->sd_isc->is_indata);
2625aefb655Srie 			if (sdp->sd_isc->is_shdr->sh_flags & SHF_ALLOC)
2635aefb655Srie 				raddend +=
2645aefb655Srie 				    sdp->sd_isc->is_osdesc->os_shdr->sh_addr;
2655aefb655Srie 		}
2665aefb655Srie 	}
2675aefb655Srie 
2685aefb655Srie 	value = sdp->sd_sym->st_value;
2695aefb655Srie 
2705aefb655Srie 	if (orsp->rel_flags & FLG_REL_GOT) {
2715aefb655Srie 		/*
2725aefb655Srie 		 * Note: for GOT relative relocations on amd64
2735aefb655Srie 		 *	 we discard the addend.  It was relevant
2745aefb655Srie 		 *	 to the reference - not to the data item
2755aefb655Srie 		 *	 being referenced (ie: that -4 thing).
2765aefb655Srie 		 */
2775aefb655Srie 		raddend = 0;
2785aefb655Srie 		osp = ofl->ofl_osgot;
2795aefb655Srie 		roffset = ld_calc_got_offset(orsp, ofl);
2805aefb655Srie 
2815aefb655Srie 	} else if (orsp->rel_flags & FLG_REL_PLT) {
2825aefb655Srie 		/*
2835aefb655Srie 		 * Note that relocations for PLT's actually
2845aefb655Srie 		 * cause a relocation againt the GOT.
2855aefb655Srie 		 */
2865aefb655Srie 		osp = ofl->ofl_osplt;
2875aefb655Srie 		roffset = (ofl->ofl_osgot->os_shdr->sh_addr) +
2885aefb655Srie 		    sdp->sd_aux->sa_PLTGOTndx * M_GOT_ENTSIZE;
2895aefb655Srie 		raddend = 0;
2905aefb655Srie 		if (plt_entry(ofl, sdp) == S_ERROR)
2915aefb655Srie 			return (S_ERROR);
2925aefb655Srie 
2935aefb655Srie 	} else if (orsp->rel_flags & FLG_REL_BSS) {
2945aefb655Srie 		/*
2955aefb655Srie 		 * This must be a R_AMD64_COPY.  For these set the roffset to
2965aefb655Srie 		 * point to the new symbols location.
2975aefb655Srie 		 */
2985aefb655Srie 		osp = ofl->ofl_isbss->is_osdesc;
2995aefb655Srie 		roffset = value;
3005aefb655Srie 
3015aefb655Srie 		/*
3025aefb655Srie 		 * The raddend doesn't mean anything in a R_SPARC_COPY
3035aefb655Srie 		 * relocation.  Null it out because it can confuse people.
3045aefb655Srie 		 */
3055aefb655Srie 		raddend = 0;
3065aefb655Srie 	} else {
3075aefb655Srie 		osp = orsp->rel_osdesc;
3085aefb655Srie 
3095aefb655Srie 		/*
3105aefb655Srie 		 * Calculate virtual offset of reference point; equals offset
3115aefb655Srie 		 * into section + vaddr of section for loadable sections, or
3125aefb655Srie 		 * offset plus section displacement for nonloadable sections.
3135aefb655Srie 		 */
3145aefb655Srie 		roffset = orsp->rel_roffset +
3155aefb655Srie 		    (Off)_elf_getxoff(orsp->rel_isdesc->is_indata);
3165aefb655Srie 		if (!(ofl->ofl_flags & FLG_OF_RELOBJ))
3175aefb655Srie 			roffset += orsp->rel_isdesc->is_osdesc->
3185aefb655Srie 			    os_shdr->sh_addr;
3195aefb655Srie 	}
3205aefb655Srie 
3215aefb655Srie 	if ((osp == 0) || ((relosp = osp->os_relosdesc) == 0))
3225aefb655Srie 		relosp = ofl->ofl_osrel;
3235aefb655Srie 
3245aefb655Srie 	/*
3255aefb655Srie 	 * Assign the symbols index for the output relocation.  If the
3265aefb655Srie 	 * relocation refers to a SECTION symbol then it's index is based upon
3275aefb655Srie 	 * the output sections symbols index.  Otherwise the index can be
3285aefb655Srie 	 * derived from the symbols index itself.
3295aefb655Srie 	 */
3305aefb655Srie 	if (orsp->rel_rtype == R_AMD64_RELATIVE)
3315aefb655Srie 		ndx = STN_UNDEF;
3325aefb655Srie 	else if ((orsp->rel_flags & FLG_REL_SCNNDX) ||
3335aefb655Srie 	    (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION)) {
3345aefb655Srie 		if (sectmoved == 0) {
3355aefb655Srie 			/*
3365aefb655Srie 			 * Check for a null input section. This can
3375aefb655Srie 			 * occur if this relocation references a symbol
3385aefb655Srie 			 * generated by sym_add_sym().
3395aefb655Srie 			 */
3405aefb655Srie 			if ((sdp->sd_isc != 0) &&
3415aefb655Srie 			    (sdp->sd_isc->is_osdesc != 0))
3425aefb655Srie 				ndx = sdp->sd_isc->is_osdesc->os_scnsymndx;
3435aefb655Srie 			else
3445aefb655Srie 				ndx = sdp->sd_shndx;
3455aefb655Srie 		} else
34635450702SAli Bahrami 			ndx = ofl->ofl_parexpnndx;
3475aefb655Srie 	} else
3485aefb655Srie 		ndx = sdp->sd_symndx;
3495aefb655Srie 
3505aefb655Srie 	/*
3515aefb655Srie 	 * Add the symbols 'value' to the addend field.
3525aefb655Srie 	 */
3535aefb655Srie 	if (orsp->rel_flags & FLG_REL_ADVAL)
3545aefb655Srie 		raddend += value;
3555aefb655Srie 
3565aefb655Srie 	/*
3577010c12aSrie 	 * The addend field for R_AMD64_DTPMOD64 means nothing.  The addend
3587010c12aSrie 	 * is propagated in the corresponding R_AMD64_DTPOFF64 relocation.
3595aefb655Srie 	 */
3605aefb655Srie 	if (orsp->rel_rtype == R_AMD64_DTPMOD64)
3615aefb655Srie 		raddend = 0;
3625aefb655Srie 
3635aefb655Srie 	relbits = (char *)relosp->os_outdata->d_buf;
3645aefb655Srie 
3655aefb655Srie 	rea.r_info = ELF_R_INFO(ndx, orsp->rel_rtype);
3665aefb655Srie 	rea.r_offset = roffset;
3675aefb655Srie 	rea.r_addend = raddend;
3685aefb655Srie 	DBG_CALL(Dbg_reloc_out(ofl, ELF_DBG_LD, SHT_RELA, &rea, relosp->os_name,
3695aefb655Srie 	    orsp->rel_sname));
3705aefb655Srie 
3715aefb655Srie 	/*
3725aefb655Srie 	 * Assert we haven't walked off the end of our relocation table.
3735aefb655Srie 	 */
3745aefb655Srie 	assert(relosp->os_szoutrels <= relosp->os_shdr->sh_size);
3755aefb655Srie 
3765aefb655Srie 	(void) memcpy((relbits + relosp->os_szoutrels),
3775aefb655Srie 	    (char *)&rea, sizeof (Rela));
3785aefb655Srie 	relosp->os_szoutrels += (Xword)sizeof (Rela);
3795aefb655Srie 
3805aefb655Srie 	/*
3815aefb655Srie 	 * Determine if this relocation is against a non-writable, allocatable
3825aefb655Srie 	 * section.  If so we may need to provide a text relocation diagnostic.
3835aefb655Srie 	 * Note that relocations against the .plt (R_AMD64_JUMP_SLOT) actually
3845aefb655Srie 	 * result in modifications to the .got.
3855aefb655Srie 	 */
3865aefb655Srie 	if (orsp->rel_rtype == R_AMD64_JUMP_SLOT)
3875aefb655Srie 		osp = ofl->ofl_osgot;
3885aefb655Srie 
3895aefb655Srie 	ld_reloc_remain_entry(orsp, osp, ofl);
3905aefb655Srie 	return (1);
3915aefb655Srie }
3925aefb655Srie 
3935aefb655Srie /*
3945aefb655Srie  * amd64 Instructions for TLS processing
3955aefb655Srie  */
3965aefb655Srie static uchar_t tlsinstr_gd_ie[] = {
3975aefb655Srie 	/*
3985aefb655Srie 	 *	0x00 movq %fs:0, %rax
3995aefb655Srie 	 */
4005aefb655Srie 	0x64, 0x48, 0x8b, 0x04, 0x25,
4015aefb655Srie 	0x00, 0x00, 0x00, 0x00,
4025aefb655Srie 	/*
4035aefb655Srie 	 *	0x09 addq x@gottpoff(%rip), %rax
4045aefb655Srie 	 */
4055aefb655Srie 	0x48, 0x03, 0x05, 0x00, 0x00,
4065aefb655Srie 	0x00, 0x00
4075aefb655Srie };
4085aefb655Srie 
4095aefb655Srie static uchar_t tlsinstr_gd_le[] = {
4105aefb655Srie 	/*
4115aefb655Srie 	 *	0x00 movq %fs:0, %rax
4125aefb655Srie 	 */
4135aefb655Srie 	0x64, 0x48, 0x8b, 0x04, 0x25,
4145aefb655Srie 	0x00, 0x00, 0x00, 0x00,
4155aefb655Srie 	/*
4165aefb655Srie 	 *	0x09 leaq x@gottpoff(%rip), %rax
4175aefb655Srie 	 */
4185aefb655Srie 	0x48, 0x8d, 0x80, 0x00, 0x00,
4195aefb655Srie 	0x00, 0x00
4205aefb655Srie };
4215aefb655Srie 
4225aefb655Srie static uchar_t tlsinstr_ld_le[] = {
4235aefb655Srie 	/*
4245aefb655Srie 	 * .byte 0x66
4255aefb655Srie 	 */
4265aefb655Srie 	0x66,
4275aefb655Srie 	/*
4285aefb655Srie 	 * .byte 0x66
4295aefb655Srie 	 */
4305aefb655Srie 	0x66,
4315aefb655Srie 	/*
4325aefb655Srie 	 * .byte 0x66
4335aefb655Srie 	 */
4345aefb655Srie 	0x66,
4355aefb655Srie 	/*
4365aefb655Srie 	 * movq %fs:0, %rax
4375aefb655Srie 	 */
4385aefb655Srie 	0x64, 0x48, 0x8b, 0x04, 0x25,
4395aefb655Srie 	0x00, 0x00, 0x00, 0x00
4405aefb655Srie };
4415aefb655Srie 
4425aefb655Srie 
4435aefb655Srie static Fixupret
4445aefb655Srie tls_fixups(Ofl_desc *ofl, Rel_desc *arsp)
4455aefb655Srie {
4465aefb655Srie 	Sym_desc	*sdp = arsp->rel_sym;
4475aefb655Srie 	Word		rtype = arsp->rel_rtype;
4485aefb655Srie 	uchar_t		*offset;
4495aefb655Srie 
4505aefb655Srie 	offset = (uchar_t *)((uintptr_t)arsp->rel_roffset +
4515aefb655Srie 	    (uintptr_t)_elf_getxoff(arsp->rel_isdesc->is_indata) +
4525aefb655Srie 	    (uintptr_t)arsp->rel_osdesc->os_outdata->d_buf);
4535aefb655Srie 
4545aefb655Srie 	if (sdp->sd_ref == REF_DYN_NEED) {
4555aefb655Srie 		/*
4565aefb655Srie 		 * IE reference model
4575aefb655Srie 		 */
4585aefb655Srie 		switch (rtype) {
4595aefb655Srie 		case R_AMD64_TLSGD:
4605aefb655Srie 			/*
4615aefb655Srie 			 *  GD -> IE
4625aefb655Srie 			 *
4635aefb655Srie 			 * Transition:
4645aefb655Srie 			 *	0x00 .byte 0x66
4655aefb655Srie 			 *	0x01 leaq x@tlsgd(%rip), %rdi
4665aefb655Srie 			 *	0x08 .word 0x6666
4675aefb655Srie 			 *	0x0a rex64
4685aefb655Srie 			 *	0x0b call __tls_get_addr@plt
4695aefb655Srie 			 *	0x10
4705aefb655Srie 			 * To:
4715aefb655Srie 			 *	0x00 movq %fs:0, %rax
4725aefb655Srie 			 *	0x09 addq x@gottpoff(%rip), %rax
4735aefb655Srie 			 *	0x10
4745aefb655Srie 			 */
4755aefb655Srie 			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
476051d39bbSrie 			    R_AMD64_GOTTPOFF, arsp));
4775aefb655Srie 			arsp->rel_rtype = R_AMD64_GOTTPOFF;
4785aefb655Srie 			arsp->rel_roffset += 8;
4795aefb655Srie 			arsp->rel_raddend = (Sxword)-4;
4805aefb655Srie 
4815aefb655Srie 			/*
482051d39bbSrie 			 * Adjust 'offset' to beginning of instruction
4835aefb655Srie 			 * sequence.
4845aefb655Srie 			 */
4855aefb655Srie 			offset -= 4;
4865aefb655Srie 			(void) memcpy(offset, tlsinstr_gd_ie,
4875aefb655Srie 			    sizeof (tlsinstr_gd_ie));
4885aefb655Srie 			return (FIX_RELOC);
4895aefb655Srie 
4905aefb655Srie 		case R_AMD64_PLT32:
4915aefb655Srie 			/*
492051d39bbSrie 			 * Fixup done via the TLS_GD relocation.
4935aefb655Srie 			 */
4945aefb655Srie 			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
495051d39bbSrie 			    R_AMD64_NONE, arsp));
4965aefb655Srie 			return (FIX_DONE);
4975aefb655Srie 		}
4985aefb655Srie 	}
4995aefb655Srie 
5005aefb655Srie 	/*
5015aefb655Srie 	 * LE reference model
5025aefb655Srie 	 */
5035aefb655Srie 	switch (rtype) {
5045aefb655Srie 	case R_AMD64_TLSGD:
5055aefb655Srie 		/*
5065aefb655Srie 		 * GD -> LE
5075aefb655Srie 		 *
5085aefb655Srie 		 * Transition:
5095aefb655Srie 		 *	0x00 .byte 0x66
5105aefb655Srie 		 *	0x01 leaq x@tlsgd(%rip), %rdi
5115aefb655Srie 		 *	0x08 .word 0x6666
5125aefb655Srie 		 *	0x0a rex64
5135aefb655Srie 		 *	0x0b call __tls_get_addr@plt
5145aefb655Srie 		 *	0x10
5155aefb655Srie 		 * To:
5165aefb655Srie 		 *	0x00 movq %fs:0, %rax
5175aefb655Srie 		 *	0x09 leaq x@tpoff(%rax), %rax
5185aefb655Srie 		 *	0x10
5195aefb655Srie 		 */
5205aefb655Srie 		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
521051d39bbSrie 		    R_AMD64_TPOFF32, arsp));
5225aefb655Srie 		arsp->rel_rtype = R_AMD64_TPOFF32;
5235aefb655Srie 		arsp->rel_roffset += 8;
5245aefb655Srie 		arsp->rel_raddend = 0;
5255aefb655Srie 
5265aefb655Srie 		/*
527051d39bbSrie 		 * Adjust 'offset' to beginning of instruction sequence.
5285aefb655Srie 		 */
5295aefb655Srie 		offset -= 4;
5305aefb655Srie 		(void) memcpy(offset, tlsinstr_gd_le, sizeof (tlsinstr_gd_le));
5315aefb655Srie 		return (FIX_RELOC);
5325aefb655Srie 
5335aefb655Srie 	case R_AMD64_GOTTPOFF:
5345aefb655Srie 		/*
5355aefb655Srie 		 * IE -> LE
5365aefb655Srie 		 *
5375aefb655Srie 		 * Transition:
5385aefb655Srie 		 *	0x00 movq %fs:0, %rax
5395aefb655Srie 		 *	0x09 addq x@gottopoff(%rip), %rax
5405aefb655Srie 		 *	0x10
5415aefb655Srie 		 * To:
5425aefb655Srie 		 *	0x00 movq %fs:0, %rax
5435aefb655Srie 		 *	0x09 leaq x@tpoff(%rax), %rax
5445aefb655Srie 		 *	0x10
5455aefb655Srie 		 */
546051d39bbSrie 		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
547051d39bbSrie 		    R_AMD64_TPOFF32, arsp));
5485aefb655Srie 		arsp->rel_rtype = R_AMD64_TPOFF32;
5495aefb655Srie 		arsp->rel_raddend = 0;
5505aefb655Srie 
5515aefb655Srie 		/*
552051d39bbSrie 		 * Adjust 'offset' to beginning of instruction sequence.
5535aefb655Srie 		 */
5545aefb655Srie 		offset -= 12;
5555aefb655Srie 
5565aefb655Srie 		/*
557051d39bbSrie 		 * Same code sequence used in the GD -> LE transition.
5585aefb655Srie 		 */
5595aefb655Srie 		(void) memcpy(offset, tlsinstr_gd_le, sizeof (tlsinstr_gd_le));
5605aefb655Srie 		return (FIX_RELOC);
5615aefb655Srie 
5625aefb655Srie 	case R_AMD64_TLSLD:
5635aefb655Srie 		/*
5645aefb655Srie 		 * LD -> LE
5655aefb655Srie 		 *
5665aefb655Srie 		 * Transition
5675aefb655Srie 		 *	0x00 leaq x1@tlsgd(%rip), %rdi
5685aefb655Srie 		 *	0x07 call __tls_get_addr@plt
5695aefb655Srie 		 *	0x0c
5705aefb655Srie 		 * To:
5715aefb655Srie 		 *	0x00 .byte 0x66
5725aefb655Srie 		 *	0x01 .byte 0x66
5735aefb655Srie 		 *	0x02 .byte 0x66
5745aefb655Srie 		 *	0x03 movq %fs:0, %rax
5755aefb655Srie 		 */
576051d39bbSrie 		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
577051d39bbSrie 		    R_AMD64_NONE, arsp));
5785aefb655Srie 		offset -= 3;
5795aefb655Srie 		(void) memcpy(offset, tlsinstr_ld_le, sizeof (tlsinstr_ld_le));
5805aefb655Srie 		return (FIX_DONE);
5815aefb655Srie 
5825aefb655Srie 	case R_AMD64_DTPOFF32:
5835aefb655Srie 		/*
5845aefb655Srie 		 * LD->LE
5855aefb655Srie 		 *
5865aefb655Srie 		 * Transition:
5875aefb655Srie 		 *	0x00 leaq x1@dtpoff(%rax), %rcx
5885aefb655Srie 		 * To:
5895aefb655Srie 		 *	0x00 leaq x1@tpoff(%rax), %rcx
5905aefb655Srie 		 */
591051d39bbSrie 		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
592051d39bbSrie 		    R_AMD64_TPOFF32, arsp));
5935aefb655Srie 		arsp->rel_rtype = R_AMD64_TPOFF32;
5945aefb655Srie 		arsp->rel_raddend = 0;
5955aefb655Srie 		return (FIX_RELOC);
5965aefb655Srie 	}
5975aefb655Srie 
5985aefb655Srie 	return (FIX_RELOC);
5995aefb655Srie }
6005aefb655Srie 
601ba2be530Sab196087 static uintptr_t
6025aefb655Srie ld_do_activerelocs(Ofl_desc *ofl)
6035aefb655Srie {
6045aefb655Srie 	Rel_desc	*arsp;
6055aefb655Srie 	Rel_cache	*rcp;
6065aefb655Srie 	Listnode	*lnp;
6075aefb655Srie 	uintptr_t	return_code = 1;
6081d9df23bSab196087 	ofl_flag_t	flags = ofl->ofl_flags;
6095aefb655Srie 
6107010c12aSrie 	if (ofl->ofl_actrels.head)
6115aefb655Srie 		DBG_CALL(Dbg_reloc_doact_title(ofl->ofl_lml));
6127010c12aSrie 
6135aefb655Srie 	/*
6145aefb655Srie 	 * Process active relocations.
6155aefb655Srie 	 */
6165aefb655Srie 	for (LIST_TRAVERSE(&ofl->ofl_actrels, lnp, rcp)) {
6175aefb655Srie 		/* LINTED */
6185aefb655Srie 		for (arsp = (Rel_desc *)(rcp + 1);
6195aefb655Srie 		    arsp < rcp->rc_free; arsp++) {
6205aefb655Srie 			uchar_t		*addr;
6215aefb655Srie 			Xword 		value;
6225aefb655Srie 			Sym_desc	*sdp;
6235aefb655Srie 			const char	*ifl_name;
6245aefb655Srie 			Xword		refaddr;
6255aefb655Srie 			int		moved = 0;
6265aefb655Srie 			Gotref		gref;
6275aefb655Srie 
6285aefb655Srie 			/*
6295aefb655Srie 			 * If the section this relocation is against has been
6305aefb655Srie 			 * discarded (-zignore), then discard (skip) the
6315aefb655Srie 			 * relocation itself.
6325aefb655Srie 			 */
6335aefb655Srie 			if ((arsp->rel_isdesc->is_flags & FLG_IS_DISCARD) &&
6345aefb655Srie 			    ((arsp->rel_flags &
6355aefb655Srie 			    (FLG_REL_GOT | FLG_REL_BSS |
6365aefb655Srie 			    FLG_REL_PLT | FLG_REL_NOINFO)) == 0)) {
6375aefb655Srie 				DBG_CALL(Dbg_reloc_discard(ofl->ofl_lml,
6385aefb655Srie 				    M_MACH, arsp));
6395aefb655Srie 				continue;
6405aefb655Srie 			}
6415aefb655Srie 
6425aefb655Srie 			/*
643d2d5cf7cSAli Bahrami 			 * We determine what the 'got reference'
6445aefb655Srie 			 * model (if required) is at this point.  This
6455aefb655Srie 			 * needs to be done before tls_fixup() since
6465aefb655Srie 			 * it may 'transition' our instructions.
6475aefb655Srie 			 *
6485aefb655Srie 			 * The got table entries have already been assigned,
6495aefb655Srie 			 * and we bind to those initial entries.
6505aefb655Srie 			 */
6515aefb655Srie 			if (arsp->rel_flags & FLG_REL_DTLS)
6525aefb655Srie 				gref = GOT_REF_TLSGD;
6535aefb655Srie 			else if (arsp->rel_flags & FLG_REL_MTLS)
6545aefb655Srie 				gref = GOT_REF_TLSLD;
6555aefb655Srie 			else if (arsp->rel_flags & FLG_REL_STLS)
6565aefb655Srie 				gref = GOT_REF_TLSIE;
6575aefb655Srie 			else
6585aefb655Srie 				gref = GOT_REF_GENERIC;
6595aefb655Srie 
6605aefb655Srie 			/*
6615aefb655Srie 			 * Perform any required TLS fixups.
6625aefb655Srie 			 */
6635aefb655Srie 			if (arsp->rel_flags & FLG_REL_TLSFIX) {
6645aefb655Srie 				Fixupret	ret;
6655aefb655Srie 
6665aefb655Srie 				if ((ret = tls_fixups(ofl, arsp)) == FIX_ERROR)
6675aefb655Srie 					return (S_ERROR);
6685aefb655Srie 				if (ret == FIX_DONE)
6695aefb655Srie 					continue;
6705aefb655Srie 			}
6715aefb655Srie 
6725aefb655Srie 			/*
6735aefb655Srie 			 * If this is a relocation against a move table, or
6745aefb655Srie 			 * expanded move table, adjust the relocation entries.
6755aefb655Srie 			 */
6765aefb655Srie 			if (arsp->rel_move)
6775aefb655Srie 				ld_adj_movereloc(ofl, arsp);
6785aefb655Srie 
6795aefb655Srie 			sdp = arsp->rel_sym;
6805aefb655Srie 			refaddr = arsp->rel_roffset +
6815aefb655Srie 			    (Off)_elf_getxoff(arsp->rel_isdesc->is_indata);
6825aefb655Srie 
6835aefb655Srie 			if ((arsp->rel_flags & FLG_REL_CLVAL) ||
6845aefb655Srie 			    (arsp->rel_flags & FLG_REL_GOTCL))
6855aefb655Srie 				value = 0;
6865aefb655Srie 			else if (ELF_ST_TYPE(sdp->sd_sym->st_info) ==
6875aefb655Srie 			    STT_SECTION) {
6885aefb655Srie 				Sym_desc	*sym;
6895aefb655Srie 
6905aefb655Srie 				/*
6915aefb655Srie 				 * The value for a symbol pointing to a SECTION
6925aefb655Srie 				 * is based off of that sections position.
6935aefb655Srie 				 */
6945aefb655Srie 				if ((sdp->sd_isc->is_flags & FLG_IS_RELUPD) &&
6955aefb655Srie 				    /* LINTED */
696*bf2f215aSAli Bahrami 				    (sym = ld_am_I_partial(arsp,
697*bf2f215aSAli Bahrami 				    arsp->rel_raddend))) {
6985aefb655Srie 					/*
699b26cc8daSAli Bahrami 					 * The symbol was moved, so adjust
700b26cc8daSAli Bahrami 					 * the value relative to the new
701b26cc8daSAli Bahrami 					 * section.
7025aefb655Srie 					 */
7035aefb655Srie 					value = sym->sd_sym->st_value;
7045aefb655Srie 					moved = 1;
705b26cc8daSAli Bahrami 
706b26cc8daSAli Bahrami 					/*
707b26cc8daSAli Bahrami 					 * The original raddend covers the
708b26cc8daSAli Bahrami 					 * displacement from the section start
709b26cc8daSAli Bahrami 					 * to the desired address. The value
710b26cc8daSAli Bahrami 					 * computed above gets us from the
711b26cc8daSAli Bahrami 					 * section start to the start of the
712b26cc8daSAli Bahrami 					 * symbol range. Adjust the old raddend
713b26cc8daSAli Bahrami 					 * to remove the offset from section
714b26cc8daSAli Bahrami 					 * start to symbol start, leaving the
715b26cc8daSAli Bahrami 					 * displacement within the range of
716b26cc8daSAli Bahrami 					 * the symbol.
717b26cc8daSAli Bahrami 					 */
718*bf2f215aSAli Bahrami 					arsp->rel_raddend -=
719*bf2f215aSAli Bahrami 					    sym->sd_osym->st_value;
7205aefb655Srie 				} else {
7215aefb655Srie 					value = _elf_getxoff(
7225aefb655Srie 					    sdp->sd_isc->is_indata);
7235aefb655Srie 					if (sdp->sd_isc->is_shdr->sh_flags &
7245aefb655Srie 					    SHF_ALLOC)
725de777a60Sab196087 						value +=
726de777a60Sab196087 						    sdp->sd_isc->is_osdesc->
7275aefb655Srie 						    os_shdr->sh_addr;
7285aefb655Srie 				}
7295aefb655Srie 				if (sdp->sd_isc->is_shdr->sh_flags & SHF_TLS)
7305aefb655Srie 					value -= ofl->ofl_tlsphdr->p_vaddr;
7312926dd2eSrie 
7322926dd2eSrie 			} else if (IS_SIZE(arsp->rel_rtype)) {
7332926dd2eSrie 				/*
7342926dd2eSrie 				 * Size relocations require the symbols size.
7352926dd2eSrie 				 */
7362926dd2eSrie 				value = sdp->sd_sym->st_size;
7375aefb655Srie 			} else {
7385aefb655Srie 				/*
7397010c12aSrie 				 * Else the value is the symbols value.
7405aefb655Srie 				 */
7415aefb655Srie 				value = sdp->sd_sym->st_value;
7425aefb655Srie 			}
7435aefb655Srie 
7445aefb655Srie 			/*
7455aefb655Srie 			 * Relocation against the GLOBAL_OFFSET_TABLE.
7465aefb655Srie 			 */
7475aefb655Srie 			if (arsp->rel_flags & FLG_REL_GOT)
7485aefb655Srie 				arsp->rel_osdesc = ofl->ofl_osgot;
7495aefb655Srie 
7505aefb655Srie 			/*
7515aefb655Srie 			 * If loadable and not producing a relocatable object
7525aefb655Srie 			 * add the sections virtual address to the reference
7535aefb655Srie 			 * address.
7545aefb655Srie 			 */
7555aefb655Srie 			if ((arsp->rel_flags & FLG_REL_LOAD) &&
7565aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0))
7575aefb655Srie 				refaddr += arsp->rel_isdesc->is_osdesc->
7585aefb655Srie 				    os_shdr->sh_addr;
7595aefb655Srie 
7605aefb655Srie 			/*
7615aefb655Srie 			 * If this entry has a PLT assigned to it, it's
7625aefb655Srie 			 * value is actually the address of the PLT (and
7635aefb655Srie 			 * not the address of the function).
7645aefb655Srie 			 */
7655aefb655Srie 			if (IS_PLT(arsp->rel_rtype)) {
7665aefb655Srie 				if (sdp->sd_aux && sdp->sd_aux->sa_PLTndx)
7675aefb655Srie 					value = ld_calc_plt_addr(sdp, ofl);
7685aefb655Srie 			}
7695aefb655Srie 
7705aefb655Srie 			/*
7715aefb655Srie 			 * Add relocations addend to value.  Add extra
7725aefb655Srie 			 * relocation addend if needed.
7735aefb655Srie 			 *
7745aefb655Srie 			 * Note: for GOT relative relocations on amd64
7755aefb655Srie 			 *	 we discard the addend.  It was relevant
7765aefb655Srie 			 *	 to the reference - not to the data item
7775aefb655Srie 			 *	 being referenced (ie: that -4 thing).
7785aefb655Srie 			 */
7795aefb655Srie 			if ((arsp->rel_flags & FLG_REL_GOT) == 0)
780*bf2f215aSAli Bahrami 				value += arsp->rel_raddend;
7815aefb655Srie 
7825aefb655Srie 			/*
7835aefb655Srie 			 * Determine whether the value needs further adjustment.
7845aefb655Srie 			 * Filter through the attributes of the relocation to
7855aefb655Srie 			 * determine what adjustment is required.  Note, many
7865aefb655Srie 			 * of the following cases are only applicable when a
7875aefb655Srie 			 * .got is present.  As a .got is not generated when a
7885aefb655Srie 			 * relocatable object is being built, any adjustments
7895aefb655Srie 			 * that require a .got need to be skipped.
7905aefb655Srie 			 */
7915aefb655Srie 			if ((arsp->rel_flags & FLG_REL_GOT) &&
7925aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
7935aefb655Srie 				Xword		R1addr;
7945aefb655Srie 				uintptr_t	R2addr;
7955aefb655Srie 				Word		gotndx;
7965aefb655Srie 				Gotndx		*gnp;
7975aefb655Srie 
7985aefb655Srie 				/*
7995aefb655Srie 				 * Perform relocation against GOT table.  Since
8005aefb655Srie 				 * this doesn't fit exactly into a relocation
8015aefb655Srie 				 * we place the appropriate byte in the GOT
8025aefb655Srie 				 * directly
8035aefb655Srie 				 *
8045aefb655Srie 				 * Calculate offset into GOT at which to apply
8055aefb655Srie 				 * the relocation.
8065aefb655Srie 				 */
8075aefb655Srie 				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref,
8085aefb655Srie 				    ofl, arsp);
8095aefb655Srie 				assert(gnp);
8105aefb655Srie 
8115aefb655Srie 				if (arsp->rel_rtype == R_AMD64_DTPOFF64)
8125aefb655Srie 					gotndx = gnp->gn_gotndx + 1;
8135aefb655Srie 				else
8145aefb655Srie 					gotndx = gnp->gn_gotndx;
8155aefb655Srie 
8165aefb655Srie 				R1addr = (Xword)(gotndx * M_GOT_ENTSIZE);
8175aefb655Srie 
8185aefb655Srie 				/*
8195aefb655Srie 				 * Add the GOTs data's offset.
8205aefb655Srie 				 */
8215aefb655Srie 				R2addr = R1addr + (uintptr_t)
8225aefb655Srie 				    arsp->rel_osdesc->os_outdata->d_buf;
8235aefb655Srie 
8245aefb655Srie 				DBG_CALL(Dbg_reloc_doact(ofl->ofl_lml,
8255aefb655Srie 				    ELF_DBG_LD, M_MACH, SHT_RELA,
8265aefb655Srie 				    arsp->rel_rtype, R1addr, value,
8275aefb655Srie 				    arsp->rel_sname, arsp->rel_osdesc));
8285aefb655Srie 
8295aefb655Srie 				/*
8305aefb655Srie 				 * And do it.
8315aefb655Srie 				 */
832f3324781Sab196087 				if (ofl->ofl_flags1 & FLG_OF1_ENCDIFF)
833f3324781Sab196087 					*(Xword *)R2addr =
834ba2be530Sab196087 					    ld_bswap_Xword(value);
835f3324781Sab196087 				else
8365aefb655Srie 					*(Xword *)R2addr = value;
8375aefb655Srie 				continue;
8385aefb655Srie 
8395aefb655Srie 			} else if (IS_GOT_BASED(arsp->rel_rtype) &&
8405aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8415aefb655Srie 				value -= ofl->ofl_osgot->os_shdr->sh_addr;
8425aefb655Srie 
8435aefb655Srie 			} else if (IS_GOTPCREL(arsp->rel_rtype) &&
8445aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8455aefb655Srie 				Gotndx *gnp;
8465aefb655Srie 
8475aefb655Srie 				/*
8485aefb655Srie 				 * Calculation:
8495aefb655Srie 				 *	G + GOT + A - P
8505aefb655Srie 				 */
8515aefb655Srie 				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
8525aefb655Srie 				    gref, ofl, arsp);
8535aefb655Srie 				assert(gnp);
8545aefb655Srie 				value = (Xword)(ofl->ofl_osgot->os_shdr->
8555aefb655Srie 				    sh_addr) + ((Xword)gnp->gn_gotndx *
8565aefb655Srie 				    M_GOT_ENTSIZE) + arsp->rel_raddend -
8575aefb655Srie 				    refaddr;
8585aefb655Srie 
8595aefb655Srie 			} else if (IS_GOT_PC(arsp->rel_rtype) &&
8605aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8615aefb655Srie 				value = (Xword)(ofl->ofl_osgot->os_shdr->
8625aefb655Srie 				    sh_addr) - refaddr + arsp->rel_raddend;
8635aefb655Srie 
8645aefb655Srie 			} else if ((IS_PC_RELATIVE(arsp->rel_rtype)) &&
8655aefb655Srie 			    (((flags & FLG_OF_RELOBJ) == 0) ||
8665aefb655Srie 			    (arsp->rel_osdesc == sdp->sd_isc->is_osdesc))) {
8675aefb655Srie 				value -= refaddr;
8685aefb655Srie 
8695aefb655Srie 			} else if (IS_TLS_INS(arsp->rel_rtype) &&
8705aefb655Srie 			    IS_GOT_RELATIVE(arsp->rel_rtype) &&
8715aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8725aefb655Srie 				Gotndx	*gnp;
8735aefb655Srie 
8745aefb655Srie 				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref,
8755aefb655Srie 				    ofl, arsp);
8765aefb655Srie 				assert(gnp);
8775aefb655Srie 				value = (Xword)gnp->gn_gotndx * M_GOT_ENTSIZE;
8785aefb655Srie 
8795aefb655Srie 			} else if (IS_GOT_RELATIVE(arsp->rel_rtype) &&
8805aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8815aefb655Srie 				Gotndx *gnp;
8825aefb655Srie 
8835aefb655Srie 				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
8845aefb655Srie 				    gref, ofl, arsp);
8855aefb655Srie 				assert(gnp);
8865aefb655Srie 				value = (Xword)gnp->gn_gotndx * M_GOT_ENTSIZE;
8875aefb655Srie 
8885aefb655Srie 			} else if ((arsp->rel_flags & FLG_REL_STLS) &&
8895aefb655Srie 			    ((flags & FLG_OF_RELOBJ) == 0)) {
8905aefb655Srie 				Xword	tlsstatsize;
8915aefb655Srie 
8925aefb655Srie 				/*
8935aefb655Srie 				 * This is the LE TLS reference model.  Static
8945aefb655Srie 				 * offset is hard-coded.
8955aefb655Srie 				 */
8965aefb655Srie 				tlsstatsize =
8975aefb655Srie 				    S_ROUND(ofl->ofl_tlsphdr->p_memsz,
8985aefb655Srie 				    M_TLSSTATALIGN);
8995aefb655Srie 				value = tlsstatsize - value;
9005aefb655Srie 
9015aefb655Srie 				/*
9025aefb655Srie 				 * Since this code is fixed up, it assumes a
9035aefb655Srie 				 * negative offset that can be added to the
9045aefb655Srie 				 * thread pointer.
9055aefb655Srie 				 */
9065aefb655Srie 				if (arsp->rel_rtype == R_AMD64_TPOFF32)
9075aefb655Srie 					value = -value;
9085aefb655Srie 			}
9095aefb655Srie 
9105aefb655Srie 			if (arsp->rel_isdesc->is_file)
9115aefb655Srie 				ifl_name = arsp->rel_isdesc->is_file->ifl_name;
9125aefb655Srie 			else
9135aefb655Srie 				ifl_name = MSG_INTL(MSG_STR_NULL);
9145aefb655Srie 
9155aefb655Srie 			/*
9165aefb655Srie 			 * Make sure we have data to relocate.  Compiler and
9175aefb655Srie 			 * assembler developers have been known to generate
9185aefb655Srie 			 * relocations against invalid sections (normally .bss),
9195aefb655Srie 			 * so for their benefit give them sufficient information
9205aefb655Srie 			 * to help analyze the problem.  End users should never
9215aefb655Srie 			 * see this.
9225aefb655Srie 			 */
9235aefb655Srie 			if (arsp->rel_isdesc->is_indata->d_buf == 0) {
924de777a60Sab196087 				Conv_inv_buf_t inv_buf;
925de777a60Sab196087 
9265aefb655Srie 				eprintf(ofl->ofl_lml, ERR_FATAL,
9275aefb655Srie 				    MSG_INTL(MSG_REL_EMPTYSEC),
928de777a60Sab196087 				    conv_reloc_amd64_type(arsp->rel_rtype,
929de777a60Sab196087 				    0, &inv_buf), ifl_name,
930de777a60Sab196087 				    demangle(arsp->rel_sname),
9315aefb655Srie 				    arsp->rel_isdesc->is_name);
9325aefb655Srie 				return (S_ERROR);
9335aefb655Srie 			}
9345aefb655Srie 
9355aefb655Srie 			/*
9365aefb655Srie 			 * Get the address of the data item we need to modify.
9375aefb655Srie 			 */
9385aefb655Srie 			addr = (uchar_t *)((uintptr_t)arsp->rel_roffset +
9395aefb655Srie 			    (uintptr_t)_elf_getxoff(arsp->rel_isdesc->
9405aefb655Srie 			    is_indata));
9415aefb655Srie 
9425aefb655Srie 			DBG_CALL(Dbg_reloc_doact(ofl->ofl_lml, ELF_DBG_LD,
9435aefb655Srie 			    M_MACH, SHT_RELA, arsp->rel_rtype, EC_NATPTR(addr),
9445aefb655Srie 			    value, arsp->rel_sname, arsp->rel_osdesc));
9455aefb655Srie 			addr += (uintptr_t)arsp->rel_osdesc->os_outdata->d_buf;
9465aefb655Srie 
9475aefb655Srie 			if ((((uintptr_t)addr - (uintptr_t)ofl->ofl_nehdr) >
9485aefb655Srie 			    ofl->ofl_size) || (arsp->rel_roffset >
9495aefb655Srie 			    arsp->rel_osdesc->os_shdr->sh_size)) {
9505aefb655Srie 				int		class;
951de777a60Sab196087 				Conv_inv_buf_t inv_buf;
9525aefb655Srie 
9535aefb655Srie 				if (((uintptr_t)addr -
9545aefb655Srie 				    (uintptr_t)ofl->ofl_nehdr) > ofl->ofl_size)
9555aefb655Srie 					class = ERR_FATAL;
9565aefb655Srie 				else
9575aefb655Srie 					class = ERR_WARNING;
9585aefb655Srie 
9595aefb655Srie 				eprintf(ofl->ofl_lml, class,
9605aefb655Srie 				    MSG_INTL(MSG_REL_INVALOFFSET),
961de777a60Sab196087 				    conv_reloc_amd64_type(arsp->rel_rtype,
962de777a60Sab196087 				    0, &inv_buf), ifl_name,
963de777a60Sab196087 				    arsp->rel_isdesc->is_name,
9645aefb655Srie 				    demangle(arsp->rel_sname),
9655aefb655Srie 				    EC_ADDR((uintptr_t)addr -
9665aefb655Srie 				    (uintptr_t)ofl->ofl_nehdr));
9675aefb655Srie 
9685aefb655Srie 				if (class == ERR_FATAL) {
9695aefb655Srie 					return_code = S_ERROR;
9705aefb655Srie 					continue;
9715aefb655Srie 				}
9725aefb655Srie 			}
9735aefb655Srie 
9745aefb655Srie 			/*
9755aefb655Srie 			 * The relocation is additive.  Ignore the previous
9765aefb655Srie 			 * symbol value if this local partial symbol is
9775aefb655Srie 			 * expanded.
9785aefb655Srie 			 */
9795aefb655Srie 			if (moved)
9805aefb655Srie 				value -= *addr;
9815aefb655Srie 
9825aefb655Srie 			/*
983f3324781Sab196087 			 * If '-z noreloc' is specified - skip the do_reloc_ld
9845aefb655Srie 			 * stage.
9855aefb655Srie 			 */
986f3324781Sab196087 			if (OFL_DO_RELOC(ofl)) {
987f3324781Sab196087 				/*
988f3324781Sab196087 				 * If this is a PROGBITS section and the
989f3324781Sab196087 				 * running linker has a different byte order
990f3324781Sab196087 				 * than the target host, tell do_reloc_ld()
991f3324781Sab196087 				 * to swap bytes.
992f3324781Sab196087 				 */
993f3324781Sab196087 				if (do_reloc_ld((uchar_t)arsp->rel_rtype,
9945aefb655Srie 				    addr, &value, arsp->rel_sname, ifl_name,
995f3324781Sab196087 				    OFL_SWAP_RELOC_DATA(ofl, arsp),
9965aefb655Srie 				    ofl->ofl_lml) == 0)
9975aefb655Srie 					return_code = S_ERROR;
9985aefb655Srie 			}
9995aefb655Srie 		}
10005aefb655Srie 	}
10015aefb655Srie 	return (return_code);
10025aefb655Srie }
10035aefb655Srie 
1004ba2be530Sab196087 static uintptr_t
10055aefb655Srie ld_add_outrel(Word flags, Rel_desc *rsp, Ofl_desc *ofl)
10065aefb655Srie {
10075aefb655Srie 	Rel_desc	*orsp;
10085aefb655Srie 	Rel_cache	*rcp;
10095aefb655Srie 	Sym_desc	*sdp = rsp->rel_sym;
10105aefb655Srie 
10115aefb655Srie 	/*
10125aefb655Srie 	 * Static executables *do not* want any relocations against them.
10135aefb655Srie 	 * Since our engine still creates relocations against a WEAK UNDEFINED
10145aefb655Srie 	 * symbol in a static executable, it's best to disable them here
10155aefb655Srie 	 * instead of through out the relocation code.
10165aefb655Srie 	 */
10175aefb655Srie 	if ((ofl->ofl_flags & (FLG_OF_STATIC | FLG_OF_EXEC)) ==
10185aefb655Srie 	    (FLG_OF_STATIC | FLG_OF_EXEC))
10195aefb655Srie 		return (1);
10205aefb655Srie 
10215aefb655Srie 	/*
10225aefb655Srie 	 * If no relocation cache structures are available allocate
10235aefb655Srie 	 * a new one and link it into the cache list.
10245aefb655Srie 	 */
10255aefb655Srie 	if ((ofl->ofl_outrels.tail == 0) ||
10265aefb655Srie 	    ((rcp = (Rel_cache *)ofl->ofl_outrels.tail->data) == 0) ||
10275aefb655Srie 	    ((orsp = rcp->rc_free) == rcp->rc_end)) {
10285aefb655Srie 		static size_t	nextsize = 0;
10295aefb655Srie 		size_t		size;
10305aefb655Srie 
10315aefb655Srie 		/*
10325aefb655Srie 		 * Output relocation numbers can vary considerably between
10335aefb655Srie 		 * building executables or shared objects (pic vs. non-pic),
10345aefb655Srie 		 * etc.  But, they typically aren't very large, so for these
10355aefb655Srie 		 * objects use a standard bucket size.  For building relocatable
10365aefb655Srie 		 * objects, typically there will be an output relocation for
10375aefb655Srie 		 * every input relocation.
10385aefb655Srie 		 */
10395aefb655Srie 		if (nextsize == 0) {
10405aefb655Srie 			if (ofl->ofl_flags & FLG_OF_RELOBJ) {
10415aefb655Srie 				if ((size = ofl->ofl_relocincnt) == 0)
10425aefb655Srie 					size = REL_LOIDESCNO;
10435aefb655Srie 				if (size > REL_HOIDESCNO)
10445aefb655Srie 					nextsize = REL_HOIDESCNO;
10455aefb655Srie 				else
10465aefb655Srie 					nextsize = REL_LOIDESCNO;
10475aefb655Srie 			} else
10485aefb655Srie 				nextsize = size = REL_HOIDESCNO;
10495aefb655Srie 		} else
10505aefb655Srie 			size = nextsize;
10515aefb655Srie 
10525aefb655Srie 		size = size * sizeof (Rel_desc);
10535aefb655Srie 
10545aefb655Srie 		if (((rcp = libld_malloc(sizeof (Rel_cache) + size)) == 0) ||
10555aefb655Srie 		    (list_appendc(&ofl->ofl_outrels, rcp) == 0))
10565aefb655Srie 			return (S_ERROR);
10575aefb655Srie 
10585aefb655Srie 		/* LINTED */
10595aefb655Srie 		rcp->rc_free = orsp = (Rel_desc *)(rcp + 1);
10605aefb655Srie 		/* LINTED */
10615aefb655Srie 		rcp->rc_end = (Rel_desc *)((char *)rcp->rc_free + size);
10625aefb655Srie 	}
10635aefb655Srie 
10645aefb655Srie 	/*
10655aefb655Srie 	 * If we are adding a output relocation against a section
10665aefb655Srie 	 * symbol (non-RELATIVE) then mark that section.  These sections
10675aefb655Srie 	 * will be added to the .dynsym symbol table.
10685aefb655Srie 	 */
10695aefb655Srie 	if (sdp && (rsp->rel_rtype != M_R_RELATIVE) &&
10705aefb655Srie 	    ((flags & FLG_REL_SCNNDX) ||
10715aefb655Srie 	    (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION))) {
10725aefb655Srie 
10735aefb655Srie 		/*
10745aefb655Srie 		 * If this is a COMMON symbol - no output section
10755aefb655Srie 		 * exists yet - (it's created as part of sym_validate()).
10765aefb655Srie 		 * So - we mark here that when it's created it should
10775aefb655Srie 		 * be tagged with the FLG_OS_OUTREL flag.
10785aefb655Srie 		 */
10795aefb655Srie 		if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
10800bc07c75Srie 		    (sdp->sd_sym->st_shndx == SHN_COMMON)) {
10815aefb655Srie 			if (ELF_ST_TYPE(sdp->sd_sym->st_info) != STT_TLS)
10825aefb655Srie 				ofl->ofl_flags1 |= FLG_OF1_BSSOREL;
10835aefb655Srie 			else
10845aefb655Srie 				ofl->ofl_flags1 |= FLG_OF1_TLSOREL;
10855aefb655Srie 		} else {
10865aefb655Srie 			Os_desc	*osp = sdp->sd_isc->is_osdesc;
10875aefb655Srie 
1088c1c6f601Srie 			if (osp && ((osp->os_flags & FLG_OS_OUTREL) == 0)) {
10895aefb655Srie 				ofl->ofl_dynshdrcnt++;
10905aefb655Srie 				osp->os_flags |= FLG_OS_OUTREL;
10915aefb655Srie 			}
10925aefb655Srie 		}
10935aefb655Srie 	}
10945aefb655Srie 
10955aefb655Srie 	*orsp = *rsp;
10965aefb655Srie 	orsp->rel_flags |= flags;
10975aefb655Srie 
10985aefb655Srie 	rcp->rc_free++;
10995aefb655Srie 	ofl->ofl_outrelscnt++;
11005aefb655Srie 
11015aefb655Srie 	if (flags & FLG_REL_GOT)
11025aefb655Srie 		ofl->ofl_relocgotsz += (Xword)sizeof (Rela);
11035aefb655Srie 	else if (flags & FLG_REL_PLT)
11045aefb655Srie 		ofl->ofl_relocpltsz += (Xword)sizeof (Rela);
11055aefb655Srie 	else if (flags & FLG_REL_BSS)
11065aefb655Srie 		ofl->ofl_relocbsssz += (Xword)sizeof (Rela);
11075aefb655Srie 	else if (flags & FLG_REL_NOINFO)
11085aefb655Srie 		ofl->ofl_relocrelsz += (Xword)sizeof (Rela);
11095aefb655Srie 	else
11105aefb655Srie 		orsp->rel_osdesc->os_szoutrels += (Xword)sizeof (Rela);
11115aefb655Srie 
11125aefb655Srie 	if (orsp->rel_rtype == M_R_RELATIVE)
11135aefb655Srie 		ofl->ofl_relocrelcnt++;
11145aefb655Srie 
11155aefb655Srie 	/*
11165aefb655Srie 	 * We don't perform sorting on PLT relocations because
11175aefb655Srie 	 * they have already been assigned a PLT index and if we
11185aefb655Srie 	 * were to sort them we would have to re-assign the plt indexes.
11195aefb655Srie 	 */
11205aefb655Srie 	if (!(flags & FLG_REL_PLT))
11215aefb655Srie 		ofl->ofl_reloccnt++;
11225aefb655Srie 
11235aefb655Srie 	/*
11245aefb655Srie 	 * Insure a GLOBAL_OFFSET_TABLE is generated if required.
11255aefb655Srie 	 */
11265aefb655Srie 	if (IS_GOT_REQUIRED(orsp->rel_rtype))
11275aefb655Srie 		ofl->ofl_flags |= FLG_OF_BLDGOT;
11285aefb655Srie 
11295aefb655Srie 	/*
11305aefb655Srie 	 * Identify and possibly warn of a displacement relocation.
11315aefb655Srie 	 */
11325aefb655Srie 	if (orsp->rel_flags & FLG_REL_DISP) {
11335aefb655Srie 		ofl->ofl_dtflags_1 |= DF_1_DISPRELPND;
11345aefb655Srie 
11355aefb655Srie 		if (ofl->ofl_flags & FLG_OF_VERBOSE)
11365aefb655Srie 			ld_disp_errmsg(MSG_INTL(MSG_REL_DISPREL4), orsp, ofl);
11375aefb655Srie 	}
11385aefb655Srie 	DBG_CALL(Dbg_reloc_ors_entry(ofl->ofl_lml, ELF_DBG_LD, SHT_RELA,
11395aefb655Srie 	    M_MACH, orsp));
11405aefb655Srie 	return (1);
11415aefb655Srie }
11425aefb655Srie 
11435aefb655Srie /*
11445aefb655Srie  * process relocation for a LOCAL symbol
11455aefb655Srie  */
1146ba2be530Sab196087 static uintptr_t
11475aefb655Srie ld_reloc_local(Rel_desc * rsp, Ofl_desc * ofl)
11485aefb655Srie {
11491d9df23bSab196087 	ofl_flag_t	flags = ofl->ofl_flags;
11505aefb655Srie 	Sym_desc	*sdp = rsp->rel_sym;
11510bc07c75Srie 	Word		shndx = sdp->sd_sym->st_shndx;
11525aefb655Srie 	Word		ortype = rsp->rel_rtype;
11535aefb655Srie 
11545aefb655Srie 	/*
11555aefb655Srie 	 * if ((shared object) and (not pc relative relocation) and
11565aefb655Srie 	 *    (not against ABS symbol))
11575aefb655Srie 	 * then
11585aefb655Srie 	 *	build R_AMD64_RELATIVE
11595aefb655Srie 	 * fi
11605aefb655Srie 	 */
11615aefb655Srie 	if ((flags & FLG_OF_SHAROBJ) && (rsp->rel_flags & FLG_REL_LOAD) &&
11622926dd2eSrie 	    !(IS_PC_RELATIVE(rsp->rel_rtype)) && !(IS_SIZE(rsp->rel_rtype)) &&
11635aefb655Srie 	    !(IS_GOT_BASED(rsp->rel_rtype)) &&
11645aefb655Srie 	    !(rsp->rel_isdesc != NULL &&
11655aefb655Srie 	    (rsp->rel_isdesc->is_shdr->sh_type == SHT_SUNW_dof)) &&
11665aefb655Srie 	    (((sdp->sd_flags & FLG_SY_SPECSEC) == 0) ||
11675aefb655Srie 	    (shndx != SHN_ABS) || (sdp->sd_aux && sdp->sd_aux->sa_symspec))) {
11685aefb655Srie 
11695aefb655Srie 		/*
11705aefb655Srie 		 * R_AMD64_RELATIVE updates a 64bit address, if this
11715aefb655Srie 		 * relocation isn't a 64bit binding then we can not
11725aefb655Srie 		 * simplify it to a RELATIVE relocation.
11735aefb655Srie 		 */
11745aefb655Srie 		if (reloc_table[ortype].re_fsize != sizeof (Addr)) {
11751d9df23bSab196087 			return (ld_add_outrel(0, rsp, ofl));
11765aefb655Srie 		}
11775aefb655Srie 
11785aefb655Srie 		rsp->rel_rtype = R_AMD64_RELATIVE;
11795aefb655Srie 		if (ld_add_outrel(FLG_REL_ADVAL, rsp, ofl) == S_ERROR)
11805aefb655Srie 			return (S_ERROR);
11815aefb655Srie 		rsp->rel_rtype = ortype;
11825aefb655Srie 		return (1);
11835aefb655Srie 	}
11845aefb655Srie 
11855aefb655Srie 	/*
11865aefb655Srie 	 * If the relocation is against a 'non-allocatable' section
11875aefb655Srie 	 * and we can not resolve it now - then give a warning
11885aefb655Srie 	 * message.
11895aefb655Srie 	 *
11905aefb655Srie 	 * We can not resolve the symbol if either:
11915aefb655Srie 	 *	a) it's undefined
11925aefb655Srie 	 *	b) it's defined in a shared library and a
11935aefb655Srie 	 *	   COPY relocation hasn't moved it to the executable
11945aefb655Srie 	 *
11955aefb655Srie 	 * Note: because we process all of the relocations against the
11965aefb655Srie 	 *	text segment before any others - we know whether
11975aefb655Srie 	 *	or not a copy relocation will be generated before
11985aefb655Srie 	 *	we get here (see reloc_init()->reloc_segments()).
11995aefb655Srie 	 */
12005aefb655Srie 	if (!(rsp->rel_flags & FLG_REL_LOAD) &&
12015aefb655Srie 	    ((shndx == SHN_UNDEF) ||
12025aefb655Srie 	    ((sdp->sd_ref == REF_DYN_NEED) &&
12035aefb655Srie 	    ((sdp->sd_flags & FLG_SY_MVTOCOMM) == 0)))) {
1204de777a60Sab196087 		Conv_inv_buf_t inv_buf;
1205de777a60Sab196087 
12065aefb655Srie 		/*
12075aefb655Srie 		 * If the relocation is against a SHT_SUNW_ANNOTATE
12085aefb655Srie 		 * section - then silently ignore that the relocation
12095aefb655Srie 		 * can not be resolved.
12105aefb655Srie 		 */
12115aefb655Srie 		if (rsp->rel_osdesc &&
12125aefb655Srie 		    (rsp->rel_osdesc->os_shdr->sh_type == SHT_SUNW_ANNOTATE))
12135aefb655Srie 			return (0);
12145aefb655Srie 		(void) eprintf(ofl->ofl_lml, ERR_WARNING,
12155aefb655Srie 		    MSG_INTL(MSG_REL_EXTERNSYM),
1216de777a60Sab196087 		    conv_reloc_amd64_type(rsp->rel_rtype, 0, &inv_buf),
12175aefb655Srie 		    rsp->rel_isdesc->is_file->ifl_name,
12185aefb655Srie 		    demangle(rsp->rel_sname), rsp->rel_osdesc->os_name);
12195aefb655Srie 		return (1);
12205aefb655Srie 	}
12215aefb655Srie 
12225aefb655Srie 	/*
12235aefb655Srie 	 * Perform relocation.
12245aefb655Srie 	 */
12255aefb655Srie 	return (ld_add_actrel(NULL, rsp, ofl));
12265aefb655Srie }
12275aefb655Srie 
12285aefb655Srie 
1229ba2be530Sab196087 static uintptr_t
12305aefb655Srie ld_reloc_TLS(Boolean local, Rel_desc * rsp, Ofl_desc * ofl)
12315aefb655Srie {
12325aefb655Srie 	Word		rtype = rsp->rel_rtype;
12335aefb655Srie 	Sym_desc	*sdp = rsp->rel_sym;
12341d9df23bSab196087 	ofl_flag_t	flags = ofl->ofl_flags;
12355aefb655Srie 	Gotndx		*gnp;
12365aefb655Srie 
12375aefb655Srie 	/*
1238d326b23bSrie 	 * If we're building an executable - use either the IE or LE access
1239d326b23bSrie 	 * model.  If we're building a shared object process any IE model.
12405aefb655Srie 	 */
1241d326b23bSrie 	if ((flags & FLG_OF_EXEC) || (IS_TLS_IE(rtype))) {
12425aefb655Srie 		/*
1243d326b23bSrie 		 * Set the DF_STATIC_TLS flag.
12445aefb655Srie 		 */
12455aefb655Srie 		ofl->ofl_dtflags |= DF_STATIC_TLS;
12465aefb655Srie 
1247d326b23bSrie 		if (!local || ((flags & FLG_OF_EXEC) == 0)) {
12485aefb655Srie 			/*
1249d326b23bSrie 			 * Assign a GOT entry for static TLS references.
12505aefb655Srie 			 */
12515aefb655Srie 			if ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
1252d326b23bSrie 			    GOT_REF_TLSIE, ofl, rsp)) == 0) {
1253d326b23bSrie 
1254d326b23bSrie 				if (ld_assign_got_TLS(local, rsp, ofl, sdp,
1255d326b23bSrie 				    gnp, GOT_REF_TLSIE, FLG_REL_STLS,
1256d326b23bSrie 				    rtype, R_AMD64_TPOFF64, 0) == S_ERROR)
12575aefb655Srie 					return (S_ERROR);
12585aefb655Srie 			}
1259d326b23bSrie 
1260d326b23bSrie 			/*
1261d326b23bSrie 			 * IE access model.
1262d326b23bSrie 			 */
12635aefb655Srie 			if (IS_TLS_IE(rtype))
12645aefb655Srie 				return (ld_add_actrel(FLG_REL_STLS, rsp, ofl));
12655aefb655Srie 
12665aefb655Srie 			/*
1267d326b23bSrie 			 * Fixups are required for other executable models.
12685aefb655Srie 			 */
12695aefb655Srie 			return (ld_add_actrel((FLG_REL_TLSFIX | FLG_REL_STLS),
12705aefb655Srie 			    rsp, ofl));
12715aefb655Srie 		}
1272d326b23bSrie 
12735aefb655Srie 		/*
1274d326b23bSrie 		 * LE access model.
12755aefb655Srie 		 */
12765aefb655Srie 		if (IS_TLS_LE(rtype))
12775aefb655Srie 			return (ld_add_actrel(FLG_REL_STLS, rsp, ofl));
1278d326b23bSrie 
12795aefb655Srie 		return (ld_add_actrel((FLG_REL_TLSFIX | FLG_REL_STLS),
12805aefb655Srie 		    rsp, ofl));
12815aefb655Srie 	}
12825aefb655Srie 
12835aefb655Srie 	/*
1284d326b23bSrie 	 * Building a shared object.
1285d326b23bSrie 	 *
1286d326b23bSrie 	 * Assign a GOT entry for a dynamic TLS reference.
12875aefb655Srie 	 */
12885aefb655Srie 	if (IS_TLS_LD(rtype) && ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
12895aefb655Srie 	    GOT_REF_TLSLD, ofl, rsp)) == 0)) {
1290d326b23bSrie 
1291d326b23bSrie 		if (ld_assign_got_TLS(local, rsp, ofl, sdp, gnp, GOT_REF_TLSLD,
1292d326b23bSrie 		    FLG_REL_MTLS, rtype, R_AMD64_DTPMOD64, 0) == S_ERROR)
12935aefb655Srie 			return (S_ERROR);
1294d326b23bSrie 
12955aefb655Srie 	} else if (IS_TLS_GD(rtype) &&
1296d326b23bSrie 	    ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), GOT_REF_TLSGD,
1297d326b23bSrie 	    ofl, rsp)) == 0)) {
1298d326b23bSrie 
1299d326b23bSrie 		if (ld_assign_got_TLS(local, rsp, ofl, sdp, gnp, GOT_REF_TLSGD,
1300d326b23bSrie 		    FLG_REL_DTLS, rtype, R_AMD64_DTPMOD64,
1301d326b23bSrie 		    R_AMD64_DTPOFF64) == S_ERROR)
13025aefb655Srie 			return (S_ERROR);
13035aefb655Srie 	}
13045aefb655Srie 
13055aefb655Srie 	if (IS_TLS_LD(rtype))
13065aefb655Srie 		return (ld_add_actrel(FLG_REL_MTLS, rsp, ofl));
13075aefb655Srie 
13085aefb655Srie 	return (ld_add_actrel(FLG_REL_DTLS, rsp, ofl));
13095aefb655Srie }
13105aefb655Srie 
13115aefb655Srie /* ARGSUSED3 */
1312ba2be530Sab196087 static Gotndx *
13135aefb655Srie ld_find_gotndx(List * lst, Gotref gref, Ofl_desc * ofl, Rel_desc * rdesc)
13145aefb655Srie {
13155aefb655Srie 	Listnode *	lnp;
13165aefb655Srie 	Gotndx *	gnp;
13175aefb655Srie 
13185aefb655Srie 	assert(rdesc != 0);
13195aefb655Srie 
13205aefb655Srie 	if ((gref == GOT_REF_TLSLD) && ofl->ofl_tlsldgotndx)
13215aefb655Srie 		return (ofl->ofl_tlsldgotndx);
13225aefb655Srie 
13235aefb655Srie 	for (LIST_TRAVERSE(lst, lnp, gnp)) {
13245aefb655Srie 		if ((rdesc->rel_raddend == gnp->gn_addend) &&
13255aefb655Srie 		    (gnp->gn_gotref == gref)) {
13265aefb655Srie 			return (gnp);
13275aefb655Srie 		}
13285aefb655Srie 	}
13295aefb655Srie 	return ((Gotndx *)0);
13305aefb655Srie }
13315aefb655Srie 
1332ba2be530Sab196087 static Xword
13335aefb655Srie ld_calc_got_offset(Rel_desc * rdesc, Ofl_desc * ofl)
13345aefb655Srie {
13355aefb655Srie 	Os_desc		*osp = ofl->ofl_osgot;
13365aefb655Srie 	Sym_desc	*sdp = rdesc->rel_sym;
13375aefb655Srie 	Xword		gotndx;
13385aefb655Srie 	Gotref		gref;
13395aefb655Srie 	Gotndx		*gnp;
13405aefb655Srie 
13415aefb655Srie 	if (rdesc->rel_flags & FLG_REL_DTLS)
13425aefb655Srie 		gref = GOT_REF_TLSGD;
13435aefb655Srie 	else if (rdesc->rel_flags & FLG_REL_MTLS)
13445aefb655Srie 		gref = GOT_REF_TLSLD;
13455aefb655Srie 	else if (rdesc->rel_flags & FLG_REL_STLS)
13465aefb655Srie 		gref = GOT_REF_TLSIE;
13475aefb655Srie 	else
13485aefb655Srie 		gref = GOT_REF_GENERIC;
13495aefb655Srie 
13505aefb655Srie 	gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref, ofl, rdesc);
13515aefb655Srie 	assert(gnp);
13525aefb655Srie 
13535aefb655Srie 	gotndx = (Xword)gnp->gn_gotndx;
13545aefb655Srie 
13555aefb655Srie 	if ((rdesc->rel_flags & FLG_REL_DTLS) &&
13565aefb655Srie 	    (rdesc->rel_rtype == R_AMD64_DTPOFF64))
13575aefb655Srie 		gotndx++;
13585aefb655Srie 
13595aefb655Srie 	return ((Xword)(osp->os_shdr->sh_addr + (gotndx * M_GOT_ENTSIZE)));
13605aefb655Srie }
13615aefb655Srie 
13625aefb655Srie 
13635aefb655Srie /* ARGSUSED5 */
1364ba2be530Sab196087 static uintptr_t
1365d326b23bSrie ld_assign_got_ndx(List * lst, Gotndx * pgnp, Gotref gref, Ofl_desc * ofl,
13665aefb655Srie     Rel_desc * rsp, Sym_desc * sdp)
13675aefb655Srie {
13685aefb655Srie 	Xword		raddend;
13695aefb655Srie 	Gotndx		*gnp, *_gnp;
13705aefb655Srie 	Listnode	*lnp, *plnp;
13715aefb655Srie 	uint_t		gotents;
13725aefb655Srie 
13735aefb655Srie 	raddend = rsp->rel_raddend;
13745aefb655Srie 	if (pgnp && (pgnp->gn_addend == raddend) &&
13755aefb655Srie 	    (pgnp->gn_gotref == gref))
13765aefb655Srie 		return (1);
13775aefb655Srie 
13785aefb655Srie 	if ((gref == GOT_REF_TLSGD) || (gref == GOT_REF_TLSLD))
13795aefb655Srie 		gotents = 2;
13805aefb655Srie 	else
13815aefb655Srie 		gotents = 1;
13825aefb655Srie 
13835aefb655Srie 	plnp = 0;
13845aefb655Srie 	for (LIST_TRAVERSE(lst, lnp, _gnp)) {
13855aefb655Srie 		if (_gnp->gn_addend > raddend)
13865aefb655Srie 			break;
13875aefb655Srie 		plnp = lnp;
13885aefb655Srie 	}
13895aefb655Srie 
13905aefb655Srie 	/*
13915aefb655Srie 	 * Allocate a new entry.
13925aefb655Srie 	 */
13935aefb655Srie 	if ((gnp = libld_calloc(sizeof (Gotndx), 1)) == 0)
13945aefb655Srie 		return (S_ERROR);
13955aefb655Srie 	gnp->gn_addend = raddend;
13965aefb655Srie 	gnp->gn_gotndx = ofl->ofl_gotcnt;
13975aefb655Srie 	gnp->gn_gotref = gref;
13985aefb655Srie 
13995aefb655Srie 	ofl->ofl_gotcnt += gotents;
14005aefb655Srie 
14015aefb655Srie 	if (gref == GOT_REF_TLSLD) {
14025aefb655Srie 		ofl->ofl_tlsldgotndx = gnp;
14035aefb655Srie 		return (1);
14045aefb655Srie 	}
14055aefb655Srie 
14065aefb655Srie 	if (plnp == 0) {
14075aefb655Srie 		/*
14085aefb655Srie 		 * Insert at head of list
14095aefb655Srie 		 */
14105aefb655Srie 		if (list_prependc(lst, (void *)gnp) == 0)
14115aefb655Srie 			return (S_ERROR);
14125aefb655Srie 	} else if (_gnp->gn_addend > raddend) {
14135aefb655Srie 		/*
14145aefb655Srie 		 * Insert in middle of lest
14155aefb655Srie 		 */
14165aefb655Srie 		if (list_insertc(lst, (void *)gnp, plnp) == 0)
14175aefb655Srie 			return (S_ERROR);
14185aefb655Srie 	} else {
14195aefb655Srie 		/*
14205aefb655Srie 		 * Append to tail of list
14215aefb655Srie 		 */
14225aefb655Srie 		if (list_appendc(lst, (void *)gnp) == 0)
14235aefb655Srie 			return (S_ERROR);
14245aefb655Srie 	}
14255aefb655Srie 	return (1);
14265aefb655Srie }
14275aefb655Srie 
1428ba2be530Sab196087 static void
14295aefb655Srie ld_assign_plt_ndx(Sym_desc * sdp, Ofl_desc *ofl)
14305aefb655Srie {
14315aefb655Srie 	sdp->sd_aux->sa_PLTndx = 1 + ofl->ofl_pltcnt++;
14325aefb655Srie 	sdp->sd_aux->sa_PLTGOTndx = ofl->ofl_gotcnt++;
14335aefb655Srie 	ofl->ofl_flags |= FLG_OF_BLDGOT;
14345aefb655Srie }
14355aefb655Srie 
14365aefb655Srie static uchar_t plt0_template[M_PLT_ENTSIZE] = {
14375aefb655Srie /* 0x00 PUSHQ GOT+8(%rip) */	0xff, 0x35, 0x00, 0x00, 0x00, 0x00,
14385aefb655Srie /* 0x06 JMP   *GOT+16(%rip) */	0xff, 0x25, 0x00, 0x00, 0x00, 0x00,
14395aefb655Srie /* 0x0c NOP */			0x90,
14405aefb655Srie /* 0x0d NOP */			0x90,
14415aefb655Srie /* 0x0e NOP */			0x90,
14425aefb655Srie /* 0x0f NOP */			0x90
14435aefb655Srie };
14445aefb655Srie 
14455aefb655Srie /*
14465aefb655Srie  * Initializes .got[0] with the _DYNAMIC symbol value.
14475aefb655Srie  */
1448ba2be530Sab196087 static uintptr_t
14495aefb655Srie ld_fillin_gotplt(Ofl_desc *ofl)
14505aefb655Srie {
1451ba2be530Sab196087 	int	bswap = (ofl->ofl_flags1 & FLG_OF1_ENCDIFF) != 0;
1452ba2be530Sab196087 
14535aefb655Srie 	if (ofl->ofl_osgot) {
14545aefb655Srie 		Sym_desc	*sdp;
14555aefb655Srie 
14565aefb655Srie 		if ((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_DYNAMIC_U),
14575aefb655Srie 		    SYM_NOHASH, 0, ofl)) != NULL) {
1458d326b23bSrie 			uchar_t	*genptr;
1459d326b23bSrie 
1460d326b23bSrie 			genptr = ((uchar_t *)ofl->ofl_osgot->os_outdata->d_buf +
14615aefb655Srie 			    (M_GOT_XDYNAMIC * M_GOT_ENTSIZE));
14625aefb655Srie 			/* LINTED */
14635aefb655Srie 			*(Xword *)genptr = sdp->sd_sym->st_value;
1464ba2be530Sab196087 			if (bswap)
1465ba2be530Sab196087 				/* LINTED */
1466ba2be530Sab196087 				*(Xword *)genptr =
1467ba2be530Sab196087 				    /* LINTED */
1468ba2be530Sab196087 				    ld_bswap_Xword(*(Xword *)genptr);
14695aefb655Srie 		}
14705aefb655Srie 	}
14715aefb655Srie 
14725aefb655Srie 	/*
14735aefb655Srie 	 * Fill in the reserved slot in the procedure linkage table the first
14745aefb655Srie 	 * entry is:
14755aefb655Srie 	 *	0x00 PUSHQ	GOT+8(%rip)	    # GOT[1]
14765aefb655Srie 	 *	0x06 JMP	*GOT+16(%rip)	    # GOT[2]
14775aefb655Srie 	 *	0x0c NOP
14785aefb655Srie 	 *	0x0d NOP
14795aefb655Srie 	 *	0x0e NOP
14805aefb655Srie 	 *	0x0f NOP
14815aefb655Srie 	 */
1482f3324781Sab196087 	if ((ofl->ofl_flags & FLG_OF_DYNAMIC) && ofl->ofl_osplt) {
14835aefb655Srie 		uchar_t	*pltent;
14845aefb655Srie 		Xword	val1;
14855aefb655Srie 
14865aefb655Srie 		pltent = (uchar_t *)ofl->ofl_osplt->os_outdata->d_buf;
14875aefb655Srie 		bcopy(plt0_template, pltent, sizeof (plt0_template));
14885aefb655Srie 
14895aefb655Srie 		/*
1490f3324781Sab196087 		 * If '-z noreloc' is specified - skip the do_reloc_ld
1491f3324781Sab196087 		 * stage.
1492f3324781Sab196087 		 */
1493f3324781Sab196087 		if (!OFL_DO_RELOC(ofl))
1494f3324781Sab196087 			return (1);
1495f3324781Sab196087 
1496f3324781Sab196087 		/*
14975aefb655Srie 		 * filin:
14985aefb655Srie 		 *	PUSHQ GOT + 8(%rip)
14995aefb655Srie 		 *
15005aefb655Srie 		 * Note: 0x06 below represents the offset to the
15015aefb655Srie 		 *	 next instruction - which is what %rip will
15025aefb655Srie 		 *	 be pointing at.
15035aefb655Srie 		 */
15045aefb655Srie 		val1 = (ofl->ofl_osgot->os_shdr->sh_addr) +
15055aefb655Srie 		    (M_GOT_XLINKMAP * M_GOT_ENTSIZE) -
15065aefb655Srie 		    ofl->ofl_osplt->os_shdr->sh_addr - 0x06;
15075aefb655Srie 
1508f3324781Sab196087 		if (do_reloc_ld(R_AMD64_GOTPCREL, &pltent[0x02],
15095aefb655Srie 		    &val1, MSG_ORIG(MSG_SYM_PLTENT),
1510f3324781Sab196087 		    MSG_ORIG(MSG_SPECFIL_PLTENT), bswap, ofl->ofl_lml) == 0) {
15115aefb655Srie 			eprintf(ofl->ofl_lml, ERR_FATAL,
15125aefb655Srie 			    MSG_INTL(MSG_PLT_PLT0FAIL));
15135aefb655Srie 			return (S_ERROR);
15145aefb655Srie 		}
15155aefb655Srie 
15165aefb655Srie 		/*
15175aefb655Srie 		 * filin:
15185aefb655Srie 		 *  JMP	*GOT+16(%rip)
15195aefb655Srie 		 */
15205aefb655Srie 		val1 = (ofl->ofl_osgot->os_shdr->sh_addr) +
15215aefb655Srie 		    (M_GOT_XRTLD * M_GOT_ENTSIZE) -
15225aefb655Srie 		    ofl->ofl_osplt->os_shdr->sh_addr - 0x0c;
1523f3324781Sab196087 
1524f3324781Sab196087 		if (do_reloc_ld(R_AMD64_GOTPCREL, &pltent[0x08],
15255aefb655Srie 		    &val1, MSG_ORIG(MSG_SYM_PLTENT),
1526f3324781Sab196087 		    MSG_ORIG(MSG_SPECFIL_PLTENT), bswap, ofl->ofl_lml) == 0) {
15275aefb655Srie 			eprintf(ofl->ofl_lml, ERR_FATAL,
15285aefb655Srie 			    MSG_INTL(MSG_PLT_PLT0FAIL));
15295aefb655Srie 			return (S_ERROR);
15305aefb655Srie 		}
15315aefb655Srie 	}
1532f3324781Sab196087 
15335aefb655Srie 	return (1);
15345aefb655Srie }
1535ba2be530Sab196087 
1536ba2be530Sab196087 
1537ba2be530Sab196087 
1538ba2be530Sab196087 /*
1539ba2be530Sab196087  * Template for generating "void (*)(void)" function
1540ba2be530Sab196087  */
1541ba2be530Sab196087 static const uchar_t nullfunc_tmpl[] = {	/* amd64 */
1542ba2be530Sab196087 /* 0x00 */	0x55,				/* pushq  %rbp */
1543ba2be530Sab196087 /* 0x01 */	0x48, 0x8b, 0xec,		/* movq   %rsp,%rbp */
1544ba2be530Sab196087 /* 0x04 */	0x48, 0x8b, 0xe5,		/* movq   %rbp,%rsp */
1545ba2be530Sab196087 /* 0x07 */	0x5d,				/* popq   %rbp */
1546ba2be530Sab196087 /* 0x08 */	0xc3				/* ret */
1547ba2be530Sab196087 };
1548ba2be530Sab196087 
1549ba2be530Sab196087 
1550ba2be530Sab196087 /*
1551ba2be530Sab196087  * Return the ld_targ definition for this target.
1552ba2be530Sab196087  */
1553ba2be530Sab196087 const Target *
1554ba2be530Sab196087 ld_targ_init_x86(void)
1555ba2be530Sab196087 {
1556ba2be530Sab196087 	static const Target _ld_targ = {
1557ba2be530Sab196087 		{			/* Target_mach */
1558ba2be530Sab196087 			M_MACH,			/* m_mach */
1559ba2be530Sab196087 			M_MACHPLUS,		/* m_machplus */
1560ba2be530Sab196087 			M_FLAGSPLUS,		/* m_flagsplus */
1561ba2be530Sab196087 			M_CLASS,		/* m_class */
1562ba2be530Sab196087 			M_DATA,			/* m_data */
1563ba2be530Sab196087 
1564ba2be530Sab196087 			M_SEGM_ALIGN,		/* m_segm_align */
1565ba2be530Sab196087 			M_SEGM_ORIGIN,		/* m_segm_origin */
1566bb3b4f6cSRod Evans 			M_SEGM_AORIGIN,		/* m_segm_aorigin */
1567ba2be530Sab196087 			M_DATASEG_PERM,		/* m_dataseg_perm */
1568ba2be530Sab196087 			M_WORD_ALIGN,		/* m_word_align */
1569ba2be530Sab196087 			MSG_ORIG(MSG_PTH_RTLD_AMD64), /* m_def_interp */
1570ba2be530Sab196087 
1571ba2be530Sab196087 			/* Relocation type codes */
1572ba2be530Sab196087 			M_R_ARRAYADDR,		/* m_r_arrayaddr */
1573ba2be530Sab196087 			M_R_COPY,		/* m_r_copy */
1574ba2be530Sab196087 			M_R_GLOB_DAT,		/* m_r_glob_dat */
1575ba2be530Sab196087 			M_R_JMP_SLOT,		/* m_r_jmp_slot */
1576ba2be530Sab196087 			M_R_NUM,		/* m_r_num */
1577ba2be530Sab196087 			M_R_NONE,		/* m_r_none */
1578ba2be530Sab196087 			M_R_RELATIVE,		/* m_r_relative */
1579ba2be530Sab196087 			M_R_REGISTER,		/* m_r_register */
1580ba2be530Sab196087 
1581ba2be530Sab196087 			/* Relocation related constants */
1582ba2be530Sab196087 			M_REL_DT_COUNT,		/* m_rel_dt_count */
1583ba2be530Sab196087 			M_REL_DT_ENT,		/* m_rel_dt_ent */
1584ba2be530Sab196087 			M_REL_DT_SIZE,		/* m_rel_dt_size */
1585ba2be530Sab196087 			M_REL_DT_TYPE,		/* m_rel_dt_type */
1586ba2be530Sab196087 			M_REL_SHT_TYPE,		/* m_rel_sht_type */
1587ba2be530Sab196087 
1588ba2be530Sab196087 			/* GOT related constants */
1589ba2be530Sab196087 			M_GOT_ENTSIZE,		/* m_got_entsize */
1590ba2be530Sab196087 			M_GOT_XNumber,		/* m_got_xnumber */
1591ba2be530Sab196087 
1592ba2be530Sab196087 			/* PLT related constants */
1593ba2be530Sab196087 			M_PLT_ALIGN,		/* m_plt_align */
1594ba2be530Sab196087 			M_PLT_ENTSIZE,		/* m_plt_entsize */
1595ba2be530Sab196087 			M_PLT_RESERVSZ,		/* m_plt_reservsz */
1596ba2be530Sab196087 			M_PLT_SHF_FLAGS,	/* m_plt_shf_flags */
1597ba2be530Sab196087 
1598ba2be530Sab196087 			M_DT_REGISTER,		/* m_dt_register */
1599ba2be530Sab196087 		},
1600ba2be530Sab196087 		{			/* Target_machid */
1601ba2be530Sab196087 			M_ID_ARRAY,		/* id_array */
1602ba2be530Sab196087 			M_ID_BSS,		/* id_bss */
1603ba2be530Sab196087 			M_ID_CAP,		/* id_cap */
1604ba2be530Sab196087 			M_ID_DATA,		/* id_data */
1605ba2be530Sab196087 			M_ID_DYNAMIC,		/* id_dynamic */
1606ba2be530Sab196087 			M_ID_DYNSORT,		/* id_dynsort */
1607ba2be530Sab196087 			M_ID_DYNSTR,		/* id_dynstr */
1608ba2be530Sab196087 			M_ID_DYNSYM,		/* id_dynsym */
1609ba2be530Sab196087 			M_ID_DYNSYM_NDX,	/* id_dynsym_ndx */
1610ba2be530Sab196087 			M_ID_GOT,		/* id_got */
1611ba2be530Sab196087 			M_ID_UNKNOWN,		/* id_gotdata (unused) */
1612ba2be530Sab196087 			M_ID_HASH,		/* id_hash */
1613ba2be530Sab196087 			M_ID_INTERP,		/* id_interp */
1614ba2be530Sab196087 			M_ID_LBSS,		/* id_lbss */
1615ba2be530Sab196087 			M_ID_LDYNSYM,		/* id_ldynsym */
1616ba2be530Sab196087 			M_ID_NOTE,		/* id_note */
1617ba2be530Sab196087 			M_ID_NULL,		/* id_null */
1618ba2be530Sab196087 			M_ID_PLT,		/* id_plt */
1619ba2be530Sab196087 			M_ID_REL,		/* id_rel */
1620ba2be530Sab196087 			M_ID_STRTAB,		/* id_strtab */
1621ba2be530Sab196087 			M_ID_SYMINFO,		/* id_syminfo */
1622ba2be530Sab196087 			M_ID_SYMTAB,		/* id_symtab */
1623ba2be530Sab196087 			M_ID_SYMTAB_NDX,	/* id_symtab_ndx */
1624ba2be530Sab196087 			M_ID_TEXT,		/* id_text */
1625ba2be530Sab196087 			M_ID_TLS,		/* id_tls */
1626ba2be530Sab196087 			M_ID_TLSBSS,		/* id_tlsbss */
1627ba2be530Sab196087 			M_ID_UNKNOWN,		/* id_unknown */
1628ba2be530Sab196087 			M_ID_UNWIND,		/* id_unwind */
1629ba2be530Sab196087 			M_ID_USER,		/* id_user */
1630ba2be530Sab196087 			M_ID_VERSION,		/* id_version */
1631ba2be530Sab196087 		},
1632ba2be530Sab196087 		{			/* Target_nullfunc */
1633ba2be530Sab196087 			nullfunc_tmpl,		/* nf_template */
1634ba2be530Sab196087 			sizeof (nullfunc_tmpl),	/* nf_size */
1635ba2be530Sab196087 		},
1636ba2be530Sab196087 		{			/* Target_machrel */
1637ba2be530Sab196087 			reloc_table,
1638ba2be530Sab196087 
1639ba2be530Sab196087 			ld_init_rel,		/* mr_init_rel */
1640ba2be530Sab196087 			ld_mach_eflags,		/* mr_mach_eflags */
1641ba2be530Sab196087 			ld_mach_make_dynamic,	/* mr_mach_make_dynamic */
1642ba2be530Sab196087 			ld_mach_update_odynamic, /* mr_mach_update_odynamic */
1643ba2be530Sab196087 			ld_calc_plt_addr,	/* mr_calc_plt_addr */
1644ba2be530Sab196087 			ld_perform_outreloc,	/* mr_perform_outreloc */
1645ba2be530Sab196087 			ld_do_activerelocs,	/* mr_do_activerelocs */
1646ba2be530Sab196087 			ld_add_outrel,		/* mr_add_outrel */
1647ba2be530Sab196087 			NULL,			/* mr_reloc_register */
1648ba2be530Sab196087 			ld_reloc_local,		/* mr_reloc_local */
1649ba2be530Sab196087 			NULL,			/* mr_reloc_GOTOP */
1650ba2be530Sab196087 			ld_reloc_TLS,		/* mr_reloc_TLS */
1651ba2be530Sab196087 			NULL,			/* mr_assign_got */
1652ba2be530Sab196087 			ld_find_gotndx,		/* mr_find_gotndx */
1653ba2be530Sab196087 			ld_calc_got_offset,	/* mr_calc_got_offset */
1654ba2be530Sab196087 			ld_assign_got_ndx,	/* mr_assign_got_ndx */
1655ba2be530Sab196087 			ld_assign_plt_ndx,	/* mr_assign_plt_ndx */
1656ba2be530Sab196087 			NULL,			/* mr_allocate_got */
1657ba2be530Sab196087 			ld_fillin_gotplt,	/* mr_fillin_gotplt */
1658ba2be530Sab196087 		},
1659ba2be530Sab196087 		{			/* Target_machsym */
1660ba2be530Sab196087 			NULL,			/* ms_reg_check */
1661ba2be530Sab196087 			NULL,			/* ms_mach_sym_typecheck */
1662ba2be530Sab196087 			NULL,			/* ms_is_regsym */
1663ba2be530Sab196087 			NULL,			/* ms_reg_find */
1664ba2be530Sab196087 			NULL			/* ms_reg_enter */
1665ba2be530Sab196087 		},
1666ba2be530Sab196087 		{			/* Target_unwind */
1667ba2be530Sab196087 			make_amd64_unwindhdr,	/* uw_make_unwindhdr */
1668ba2be530Sab196087 			populate_amd64_unwindhdr, /* uw_populate_unwindhdr */
1669ba2be530Sab196087 			append_amd64_unwind,	/* uw_append_unwind */
1670ba2be530Sab196087 		}
1671ba2be530Sab196087 	};
1672ba2be530Sab196087 
1673ba2be530Sab196087 	return (&_ld_targ);
1674ba2be530Sab196087 }
1675