xref: /opensolaris-onvv-gate/usr/src/cmd/sgs/libld/common/machrel.sparc.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 *	Copyright (c) 1988 AT&T
 *	  All Rights Reserved
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include	<string.h>
#include	<stdio.h>
#include	<sys/elf_SPARC.h>
#include	<debug.h>
#include	<reloc.h>
#include	"msg.h"
#include	"_libld.h"

/*
 * Local Variable Definitions
 */
static Sword neggotoffset = 0;		/* off. of GOT table from GOT symbol */
static Sword smlgotcnt = M_GOT_XNumber;	/* no. of small GOT symbols */

Word
ld_init_rel(Rel_desc *reld, void *reloc)
{
	Rela *	rela = (Rela *)reloc;

	/* LINTED */
	reld->rel_rtype = (Word)ELF_R_TYPE(rela->r_info);
	reld->rel_roffset = rela->r_offset;
	reld->rel_raddend = rela->r_addend;
	reld->rel_typedata = (Word)ELF_R_TYPE_DATA(rela->r_info);

	reld->rel_flags |= FLG_REL_RELA;

	return ((Word)ELF_R_SYM(rela->r_info));
}

void
ld_mach_eflags(Ehdr *ehdr, Ofl_desc *ofl)
{
	Word		eflags = ofl->ofl_dehdr->e_flags;
	Word		memopt1, memopt2;
	static int	firstpass;

	/*
	 * If a *PLUS relocatable is included, the output object is type *PLUS.
	 */
	if ((ehdr->e_machine == EM_SPARC32PLUS) &&
	    (ehdr->e_flags & EF_SPARC_32PLUS))
		ofl->ofl_dehdr->e_machine = EM_SPARC32PLUS;

	/*
	 * On the first pass, we don't yet have a memory model to compare
	 * against, therefore the initial file becomes our baseline.  Subsequent
	 * passes will do the comparison described below.
	 */
	if (firstpass == 0) {
		ofl->ofl_dehdr->e_flags |= ehdr->e_flags;
		firstpass++;
		return;
	}

	/*
	 * Determine which memory model to mark the binary with.  The options
	 * are (most restrictive to least):
	 *
	 *	EF_SPARCV9_TSO		0x0 	Total Store Order
	 *	EF_SPARCV9_PSO		0x1	Partial Store Order
	 *	EF_SPARCV9_RMO		0x2	Relaxed Memory Order
	 *
	 * Mark the binary with the most restrictive option encountered from a
	 * relocatable object included in the link.
	 */
	eflags |= (ehdr->e_flags & ~EF_SPARCV9_MM);
	memopt1 = eflags & EF_SPARCV9_MM;
	memopt2 = ehdr->e_flags & EF_SPARCV9_MM;
	eflags &= ~EF_SPARCV9_MM;

	if ((memopt1 == EF_SPARCV9_TSO) || (memopt2 == EF_SPARCV9_TSO))
		/* EMPTY */
		;
	else if ((memopt1 == EF_SPARCV9_PSO) || (memopt2 == EF_SPARCV9_PSO))
		eflags |= EF_SPARCV9_PSO;
	else
		eflags |= EF_SPARCV9_RMO;

	ofl->ofl_dehdr->e_flags = eflags;
}

void
ld_mach_make_dynamic(Ofl_desc *ofl, size_t *cnt)
{
	if (!(ofl->ofl_flags & FLG_OF_RELOBJ)) {
		/*
		 * Create this entry if we are going to create a PLT table.
		 */
		if (ofl->ofl_pltcnt)
			(*cnt)++;		/* DT_PLTGOT */
	}
}

void
ld_mach_update_odynamic(Ofl_desc * ofl, Dyn ** dyn)
{
	if (((ofl->ofl_flags & FLG_OF_RELOBJ) == 0) && ofl->ofl_pltcnt) {
		(*dyn)->d_tag = DT_PLTGOT;
		if (ofl->ofl_osplt)
			(*dyn)->d_un.d_ptr = ofl->ofl_osplt->os_shdr->sh_addr;
		else
			(*dyn)->d_un.d_ptr = 0;
		(*dyn)++;
	}
}

#if	defined(_ELF64)

Xword
ld_calc_plt_addr(Sym_desc *sdp, Ofl_desc *ofl)
{
	Xword	value, pltndx, farpltndx;

	pltndx = sdp->sd_aux->sa_PLTndx + M_PLT_XNumber - 1;

	if ((pltndx) < M64_PLT_NEARPLTS) {
		value = (Xword)(ofl->ofl_osplt->os_shdr->sh_addr) +
		    (pltndx * M_PLT_ENTSIZE);
		return (value);
	}

	farpltndx = pltndx - M64_PLT_NEARPLTS;

	/*
	 * pltoffset of a far plt is calculated by:
	 *
	 *	<size of near plt table> +
	 *	<size of preceding far plt blocks> +
	 *	<blockndx * sizeof (far plt entsize)>
	 */
	value =
	    /* size of near plt table */
	    (M64_PLT_NEARPLTS * M_PLT_ENTSIZE) +
	    /* size of preceding far plt blocks */
	    ((farpltndx / M64_PLT_FBLKCNTS) *
	    ((M64_PLT_FENTSIZE + sizeof (Addr)) *
	    M64_PLT_FBLKCNTS)) +
	    /* pltblockendx * fentsize */
	    ((farpltndx % M64_PLT_FBLKCNTS) * M64_PLT_FENTSIZE);

	value += (Xword)(ofl->ofl_osplt->os_shdr->sh_addr);
	return (value);
}

/*
 * Instructions required for Far PLT's
 */
static uint32_t farplt_instrs[6] = {
	0x8a10000f,			/* mov   %o7, %g5	*/
	0x40000002,			/* call  . + 0x8	*/
	0x01000000,			/* nop			*/
	0xc25be000,			/* ldx   [%o7 + 0], %g1	*/
	0x83c3c001,			/* jmpl  %o7 + %g1, %g1	*/
	0x9e100005			/* mov   %g5, %o7	*/
};

/*
 * Far PLT'S:
 *
 * Far PLT's are established in blocks of '160' at a time.  These
 * PLT's consist of 6 instructions (24 bytes) and 1 pointer (8 bytes).
 * The instructions are collected together in blocks of 160 entries
 * followed by 160 pointers.  The last group of entries and pointers
 * may contain less then 160 items.  No padding is required.
 *
 *	.PLT32768:
 *		mov	%o7, %g5
 *		call	. + 8
 *		nop
 *		ldx	[%o7 + .PLTP32768 - (.PLT32768 + 4)], %g1
 *		jmpl	%o7 + %g1, %g1
 *		mov	%g5, %o7
 *	................................
 *	.PLT32927:
 *		mov	%o7, %g5
 *		call	. + 8
 *		nop
 *		ldx	[%o7 + .PLTP32927 - (.PLT32927 + 4)], %g1
 *		jmpl	%o7 + %g1, %g1
 *		mov	%g5, %o7
 *	.PLTP32768:
 *		.xword .PLT0-(.PLT32768+4)
 *	................................
 *	.PLTP32927:
 *		.xword .PLT0-(.PLT32927+4)
 *
 */
void
plt_far_entry(Ofl_desc *ofl, Xword pltndx, Xword *roffset, Sxword *raddend)
{
	uint_t		blockndx;	/* # of far PLT blocks */
	uint_t		farblkcnt;	/* Index to far PLT block */
	Xword		farpltndx;	/* index of Far Plt */
	Xword		farpltblkndx;	/* index of PLT in BLOCK */
	uint32_t	*pltent;	/* ptr to plt instr. sequence */
	uint64_t	*pltentptr;	/* ptr to plt addr ptr */
	Sxword		pltblockoff;	/* offset to Far plt block */
	Sxword		pltoff;		/* offset to PLT instr. sequence */
	Sxword		pltptroff;	/* offset to PLT addr ptr */
	uchar_t		*pltbuf;	/* ptr to PLT's in file */


	farblkcnt = ((ofl->ofl_pltcnt - 1 +
		M_PLT_XNumber - M64_PLT_NEARPLTS) / M64_PLT_FBLKCNTS);

	/*
	 * Determine the 'Far' PLT index.
	 */
	farpltndx = pltndx - 1 + M_PLT_XNumber - M64_PLT_NEARPLTS;
	farpltblkndx = farpltndx % M64_PLT_FBLKCNTS;

	/*
	 * Determine what FPLT block this plt falls into.
	 */
	blockndx = (uint_t)(farpltndx / M64_PLT_FBLKCNTS);

	/*
	 * Calculate the starting offset of the Far PLT block
	 * that this PLT is a member of.
	 */
	pltblockoff = (M64_PLT_NEARPLTS * M_PLT_ENTSIZE) +
		(blockndx * M64_PLT_FBLOCKSZ);

	pltoff = pltblockoff +
		(farpltblkndx * M64_PLT_FENTSIZE);

	pltptroff = pltblockoff;


	if (farblkcnt > blockndx) {
		/*
		 * If this is a full block - the 'pltptroffs' start
		 * after 160 fplts.
		 */
		pltptroff += (M64_PLT_FBLKCNTS * M64_PLT_FENTSIZE) +
			(farpltblkndx * M64_PLT_PSIZE);
	} else {
		Xword	lastblkpltndx;
		/*
		 * If this is the last block - the the pltptr's start
		 * after the last FPLT instruction sequence.
		 */
		lastblkpltndx = (ofl->ofl_pltcnt - 1 + M_PLT_XNumber -
			M64_PLT_NEARPLTS) % M64_PLT_FBLKCNTS;
		pltptroff += ((lastblkpltndx + 1) * M64_PLT_FENTSIZE) +
			(farpltblkndx * M64_PLT_PSIZE);
	}
	pltbuf = (uchar_t *)ofl->ofl_osplt->os_outdata->d_buf;

	/*
	 * For far-plts, the Raddend and Roffset fields are defined
	 * to be:
	 *
	 *	roffset:	address of .PLTP#
	 *	raddend:	-(.PLT#+4)
	 */
	*roffset = pltptroff + (Xword)(ofl->ofl_osplt->os_shdr->sh_addr);
	*raddend = -(pltoff + 4 + (Xword)(ofl->ofl_osplt->os_shdr->sh_addr));

	/* LINTED */
	pltent = (uint32_t *)(pltbuf + pltoff);
	/* LINTED */
	pltentptr = (uint64_t *)(pltbuf + pltptroff);
	(void) memcpy(pltent, farplt_instrs, sizeof (farplt_instrs));

	/*
	 *  update
	 *	ldx   [%o7 + 0], %g1
	 * to
	 *	ldx   [%o7 + .PLTP# - (.PLT# + 4)], %g1
	 */
	/* LINTED */
	pltent[3] |= (uint32_t)(pltptroff - (pltoff + 4));

	/*
	 * Store:
	 *	.PLTP#
	 *		.xword	.PLT0 - .PLT# + 4
	 */
	*pltentptr = -(pltoff + 4);
}

/*
 *	Build a single V9 P.L.T. entry - code is:
 *
 *	For Target Addresses +/- 4GB of the entry
 *	-----------------------------------------
 *	sethi	(. - .PLT0), %g1
 *	ba,a	%xcc, .PLT1
 *	nop
 *	nop
 *	nop
 *	nop
 *	nop
 *	nop
 *
 *	For Target Addresses +/- 2GB of the entry
 *	-----------------------------------------
 *
 *	.PLT0 is the address of the first entry in the P.L.T.
 *	This one is filled in by the run-time link editor. We just
 *	have to leave space for it.
 */
static void
plt_entry(Ofl_desc *ofl, Xword pltndx, Xword *roffset, Sxword *raddend)
{
	uchar_t		*pltent;	/* PLT entry being created. */
	Sxword		pltoff;		/* Offset of this entry from PLT top */

	/*
	 *  The second part of the V9 ABI (sec. 5.2.4)
	 *  applies to plt entries greater than 0x8000 (32,768).
	 *  This is handled in 'plt_far_entry()'
	 */
	if ((pltndx - 1 + M_PLT_XNumber) >= M64_PLT_NEARPLTS) {
		plt_far_entry(ofl, pltndx, roffset, raddend);
		return;
	}

	pltoff = M_PLT_RESERVSZ + (pltndx - 1) * M_PLT_ENTSIZE;
	pltent = (uchar_t *)ofl->ofl_osplt->os_outdata->d_buf +
		pltoff;

	*roffset = pltoff + (Xword)(ofl->ofl_osplt->os_shdr->sh_addr);
	*raddend = 0;

	/*
	 * PLT[0]: sethi %hi(. - .L0), %g1
	 */
	/* LINTED */
	*(Word *)pltent = M_SETHIG1 | pltoff;

	/*
	 * PLT[1]: ba,a %xcc, .PLT1 (.PLT1 accessed as a
	 * PC-relative index of longwords).
	 */
	pltent += M_PLT_INSSIZE;
	pltoff += M_PLT_INSSIZE;
	pltoff = -pltoff;
	/* LINTED */
	*(Word *)pltent = M_BA_A_XCC |
		(((pltoff + M_PLT_ENTSIZE) >> 2) & S_MASK(19));

	/*
	 * PLT[2]: sethi 0, %g0 (NOP for delay slot of eventual CTI).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;

	/*
	 * PLT[3]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;

	/*
	 * PLT[4]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;

	/*
	 * PLT[5]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;

	/*
	 * PLT[6]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;

	/*
	 * PLT[7]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_NOP;
}


#else  /* Elf 32 */

Xword
ld_calc_plt_addr(Sym_desc *sdp, Ofl_desc *ofl)
{
	Xword	value, pltndx;

	pltndx = sdp->sd_aux->sa_PLTndx + M_PLT_XNumber - 1;
	value = (Xword)(ofl->ofl_osplt->os_shdr->sh_addr) +
	    (pltndx * M_PLT_ENTSIZE);
	return (value);
}


/*
 *	Build a single P.L.T. entry - code is:
 *
 *	sethi	(. - .L0), %g1
 *	ba,a	.L0
 *	sethi	0, %g0		(nop)
 *
 *	.L0 is the address of the first entry in the P.L.T.
 *	This one is filled in by the run-time link editor. We just
 *	have to leave space for it.
 */
static void
plt_entry(Ofl_desc * ofl, Xword pltndx, Xword *roffset, Sxword *raddend)
{
	Byte *	pltent;	/* PLT entry being created. */
	Sxword	pltoff;	/* Offset of this entry from PLT top */

	pltoff = M_PLT_RESERVSZ + (pltndx - 1) * M_PLT_ENTSIZE;
	pltent = (Byte *)ofl->ofl_osplt->os_outdata->d_buf + pltoff;

	*roffset = pltoff + (Xword)(ofl->ofl_osplt->os_shdr->sh_addr);
	*raddend = 0;

	/*
	 * PLT[0]: sethi %hi(. - .L0), %g1
	 */
	/* LINTED */
	*(Word *)pltent = M_SETHIG1 | pltoff;

	/*
	 * PLT[1]: ba,a .L0 (.L0 accessed as a PC-relative index of longwords)
	 */
	pltent += M_PLT_INSSIZE;
	pltoff += M_PLT_INSSIZE;
	pltoff = -pltoff;
	/* LINTED */
	*(Word *)pltent = M_BA_A | ((pltoff >> 2) & S_MASK(22));

	/*
	 * PLT[2]: sethi 0, %g0 (NOP for delay slot of eventual CTI).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_SETHIG0;

	/*
	 * PLT[3]: sethi 0, %g0 (NOP for PLT padding).
	 */
	pltent += M_PLT_INSSIZE;
	/* LINTED */
	*(Word *)pltent = M_SETHIG0;
}

#endif /* _ELF64 */

uintptr_t
ld_perform_outreloc(Rel_desc * orsp, Ofl_desc * ofl)
{
	Os_desc *		relosp, * osp = 0;
	Xword			ndx, roffset, value;
	Sxword			raddend;
	const Rel_entry *	rep;
	Rela			rea;
	char			*relbits;
	Sym_desc *		sdp, * psym = (Sym_desc *)0;
	int			sectmoved = 0;
	Word			dtflags1 = ofl->ofl_dtflags_1;
	Word			flags = ofl->ofl_flags;

	raddend = orsp->rel_raddend;
	sdp = orsp->rel_sym;

	/*
	 * Special case, a regsiter symbol associated with symbol
	 * index 0 is initialized (i.e. relocated) to a constant
	 * in the r_addend field rather than to a symbol value.
	 */
	if ((orsp->rel_rtype == M_R_REGISTER) && !sdp) {
		relosp = ofl->ofl_osrel;
		relbits = (char *)relosp->os_outdata->d_buf;

		rea.r_info = ELF_R_INFO(0,
		    ELF_R_TYPE_INFO(orsp->rel_typedata, orsp->rel_rtype));
		rea.r_offset = orsp->rel_roffset;
		rea.r_addend = raddend;
		DBG_CALL(Dbg_reloc_out(ofl, ELF_DBG_LD, SHT_RELA, &rea,
		    relosp->os_name, orsp->rel_sname));

		assert(relosp->os_szoutrels <= relosp->os_shdr->sh_size);
		(void) memcpy((relbits + relosp->os_szoutrels),
		    (char *)&rea, sizeof (Rela));
		relosp->os_szoutrels += (Xword)sizeof (Rela);

		return (1);
	}

	/*
	 * If the section this relocation is against has been discarded
	 * (-zignore), then also discard (skip) the relocation itself.
	 */
	if (orsp->rel_isdesc && ((orsp->rel_flags &
	    (FLG_REL_GOT | FLG_REL_BSS | FLG_REL_PLT | FLG_REL_NOINFO)) == 0) &&
	    (orsp->rel_isdesc->is_flags & FLG_IS_DISCARD)) {
		DBG_CALL(Dbg_reloc_discard(ofl->ofl_lml, M_MACH, orsp));
		return (1);
	}

	/*
	 * If this is a relocation against a move table, or expanded move
	 * table, adjust the relocation entries.
	 */
	if (orsp->rel_move)
		ld_adj_movereloc(ofl, orsp);

	/*
	 * If this is a relocation against a section then we need to adjust the
	 * raddend field to compensate for the new position of the input section
	 * within the new output section.
	 */
	if (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION) {
		if (ofl->ofl_parsym.head &&
		    (sdp->sd_isc->is_flags & FLG_IS_RELUPD) &&
		    (psym = ld_am_I_partial(orsp, orsp->rel_raddend))) {
			/*
			 * If the symbol is moved, adjust the value
			 */
			DBG_CALL(Dbg_move_outsctadj(ofl->ofl_lml, psym));
			sectmoved = 1;
			if (ofl->ofl_flags & FLG_OF_RELOBJ)
				raddend = psym->sd_sym->st_value;
			else
				raddend = psym->sd_sym->st_value -
				    psym->sd_isc->is_osdesc->os_shdr->sh_addr;
			/* LINTED */
			raddend += (Off)_elf_getxoff(psym->sd_isc->is_indata);
			if (psym->sd_isc->is_shdr->sh_flags & SHF_ALLOC)
				raddend +=
				psym->sd_isc->is_osdesc->os_shdr->sh_addr;
		} else {
			/* LINTED */
			raddend += (Off)_elf_getxoff(sdp->sd_isc->is_indata);
			if (sdp->sd_isc->is_shdr->sh_flags & SHF_ALLOC)
				raddend +=
				sdp->sd_isc->is_osdesc->os_shdr->sh_addr;
		}
	}

	value = sdp->sd_sym->st_value;

	if (orsp->rel_flags & FLG_REL_GOT) {
		osp = ofl->ofl_osgot;
		roffset = ld_calc_got_offset(orsp, ofl);

	} else if (orsp->rel_flags & FLG_REL_PLT) {
		osp = ofl->ofl_osplt;
		plt_entry(ofl, sdp->sd_aux->sa_PLTndx, &roffset, &raddend);
	} else if (orsp->rel_flags & FLG_REL_BSS) {
		/*
		 * This must be a R_SPARC_COPY.  For these set the roffset to
		 * point to the new symbols location.
		 */
		osp = ofl->ofl_isbss->is_osdesc;
		roffset = (Xword)value;

		/*
		 * The raddend doesn't mean anything in an R_SPARC_COPY
		 * relocation.  Null it out because it can confuse people.
		 */
		raddend = 0;
	} else if (orsp->rel_flags & FLG_REL_REG) {
		/*
		 * The offsets of relocations against register symbols
		 * identifiy the register directly - so the offset
		 * does not need to be adjusted.
		 */
		roffset = orsp->rel_roffset;
	} else {
		osp = orsp->rel_osdesc;

		/*
		 * Calculate virtual offset of reference point; equals offset
		 * into section + vaddr of section for loadable sections, or
		 * offset plus section displacement for nonloadable sections.
		 */
		roffset = orsp->rel_roffset +
		    (Off)_elf_getxoff(orsp->rel_isdesc->is_indata);
		if (!(ofl->ofl_flags & FLG_OF_RELOBJ))
			roffset += orsp->rel_isdesc->is_osdesc->
			    os_shdr->sh_addr;
	}

	if ((osp == 0) || ((relosp = osp->os_relosdesc) == 0))
		relosp = ofl->ofl_osrel;

	/*
	 * Verify that the output relocations offset meets the
	 * alignment requirements of the relocation being processed.
	 */
	rep = &reloc_table[orsp->rel_rtype];
	if (((flags & FLG_OF_RELOBJ) || !(dtflags1 & DF_1_NORELOC)) &&
	    !(rep->re_flags & FLG_RE_UNALIGN)) {
		if (((rep->re_fsize == 2) && (roffset & 0x1)) ||
		    ((rep->re_fsize == 4) && (roffset & 0x3)) ||
		    ((rep->re_fsize == 8) && (roffset & 0x7))) {
			eprintf(ofl->ofl_lml, ERR_FATAL,
			    MSG_INTL(MSG_REL_NONALIGN),
			    conv_reloc_SPARC_type(orsp->rel_rtype, 0),
			    orsp->rel_isdesc->is_file->ifl_name,
			    demangle(orsp->rel_sname), EC_XWORD(roffset));
			return (S_ERROR);
		}
	}

	/*
	 * Assign the symbols index for the output relocation.  If the
	 * relocation refers to a SECTION symbol then it's index is based upon
	 * the output sections symbols index.  Otherwise the index can be
	 * derived from the symbols index itself.
	 */
	if (orsp->rel_rtype == R_SPARC_RELATIVE)
		ndx = STN_UNDEF;
	else if ((orsp->rel_flags & FLG_REL_SCNNDX) ||
	    (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION)) {
		if (sectmoved == 0) {
			/*
			 * Check for a null input section. This can
			 * occur if this relocation references a symbol
			 * generated by sym_add_sym().
			 */
			if ((sdp->sd_isc != 0) &&
			    (sdp->sd_isc->is_osdesc != 0))
				ndx = sdp->sd_isc->is_osdesc->os_scnsymndx;
			else
				ndx = sdp->sd_shndx;
		} else
			ndx = ofl->ofl_sunwdata1ndx;
	} else
		ndx = sdp->sd_symndx;

	/*
	 * Add the symbols 'value' to the addend field.
	 */
	if (orsp->rel_flags & FLG_REL_ADVAL)
		raddend += value;

	/*
	 * addend field for R_SPARC_TLS_DTPMOD32 &&
	 * R_SPARC_TLS_DTPMOD64 mean nothing.  The addend
	 * is propogated in the corresponding R_SPARC_TLS_DTPOFF*
	 * relocations.
	 */
	if (orsp->rel_rtype == M_R_DTPMOD) {
		raddend = 0;
	}

	relbits = (char *)relosp->os_outdata->d_buf;

	rea.r_info = ELF_R_INFO(ndx, ELF_R_TYPE_INFO(orsp->rel_typedata,
			orsp->rel_rtype));
	rea.r_offset = roffset;
	rea.r_addend = raddend;
	DBG_CALL(Dbg_reloc_out(ofl, ELF_DBG_LD, SHT_RELA, &rea, relosp->os_name,
	    orsp->rel_sname));

	/*
	 * Assert we haven't walked off the end of our relocation table.
	 */
	assert(relosp->os_szoutrels <= relosp->os_shdr->sh_size);

	(void) memcpy((relbits + relosp->os_szoutrels),
	    (char *)&rea, sizeof (Rela));
	relosp->os_szoutrels += (Xword)sizeof (Rela);

	/*
	 * Determine if this relocation is against a non-writable, allocatable
	 * section.  If so we may need to provide a text relocation diagnostic.
	 */
	ld_reloc_remain_entry(orsp, osp, ofl);
	return (1);
}


/*
 * Sparc Instructions for TLS processing
 */
#if	defined(_ELF64)
#define	TLS_GD_IE_LD	0xd0580000	/* ldx [%g0 + %g0], %o0 */
#else
#define	TLS_GD_IE_LD	0xd0000000	/* ld [%g0 + %g0], %o0 */
#endif
#define	TLS_GD_IE_ADD	0x9001c008	/* add %g7, %o0, %o0 */

#define	TLS_GD_LE_XOR	0x80182000	/* xor %g0, 0, %g0 */
#define	TLS_IE_LE_OR	0x80100000	/* or %g0, %o0, %o1 */
					/*  synthetic: mov %g0, %g0 */

#define	TLS_LD_LE_CLRO0	0x90100000	/* clr	%o0 */

#define	FM3_REG_MSK_RD	(0x1f << 25)	/* Formate (3) rd register mask */
					/*	bits 25->29 */
#define	FM3_REG_MSK_RS1	(0x1f << 14)	/* Formate (3) rs1 register mask */
					/*	bits 14->18 */
#define	FM3_REG_MSK_RS2	0x1f		/* Formate (3) rs2 register mask */
					/*	bits 0->4 */

#define	REG_G7		7		/* %g7 register */

static Fixupret
tls_fixups(Ofl_desc *ofl, Rel_desc *arsp)
{
	Sym_desc	*sdp = arsp->rel_sym;
	Word		rtype = arsp->rel_rtype;
	uint_t		*offset;

	offset = (uint_t *)((uintptr_t)arsp->rel_roffset +
		(uintptr_t)_elf_getxoff(arsp->rel_isdesc->is_indata) +
		(uintptr_t)arsp->rel_osdesc->os_outdata->d_buf);

	if (sdp->sd_ref == REF_DYN_NEED) {
		/*
		 * IE reference model
		 */
		switch (rtype) {
		case R_SPARC_TLS_GD_HI22:
			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
			    rtype, R_SPARC_TLS_IE_HI22, arsp->rel_roffset,
			    sdp->sd_name));
			arsp->rel_rtype = R_SPARC_TLS_IE_HI22;
			return (FIX_RELOC);

		case R_SPARC_TLS_GD_LO10:
			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
			    rtype, R_SPARC_TLS_IE_LO10, arsp->rel_roffset,
			    sdp->sd_name));
			arsp->rel_rtype = R_SPARC_TLS_IE_LO10;
			return (FIX_RELOC);

		case R_SPARC_TLS_GD_ADD:
			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
			    rtype, R_SPARC_NONE, arsp->rel_roffset,
			    sdp->sd_name));
			*offset = (TLS_GD_IE_LD |
			    (*offset & (FM3_REG_MSK_RS1 | FM3_REG_MSK_RS2)));
			return (FIX_DONE);

		case R_SPARC_TLS_GD_CALL:
			DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH,
			    rtype, R_SPARC_NONE, arsp->rel_roffset,
			    sdp->sd_name));
			*offset = TLS_GD_IE_ADD;
			return (FIX_DONE);
		}
		return (FIX_RELOC);
	}

	/*
	 * LE reference model
	 */
	switch (rtype) {
	case R_SPARC_TLS_IE_HI22:
	case R_SPARC_TLS_GD_HI22:
	case R_SPARC_TLS_LDO_HIX22:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_TLS_LE_HIX22, arsp->rel_roffset, sdp->sd_name));
		arsp->rel_rtype = R_SPARC_TLS_LE_HIX22;
		return (FIX_RELOC);

	case R_SPARC_TLS_LDO_LOX10:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_TLS_LE_LOX10, arsp->rel_roffset, sdp->sd_name));
		arsp->rel_rtype = R_SPARC_TLS_LE_LOX10;
		return (FIX_RELOC);

	case R_SPARC_TLS_IE_LO10:
	case R_SPARC_TLS_GD_LO10:
		/*
		 * Current instruction is:
		 *
		 *	or r1, %lo(x), r2
		 *		or
		 *	add r1, %lo(x), r2
		 *
		 *
		 * Need to udpate this to:
		 *
		 *	xor r1, %lox(x), r2
		 */
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_TLS_LE_LOX10, arsp->rel_roffset, sdp->sd_name));
		*offset = TLS_GD_LE_XOR |
		    (*offset & (FM3_REG_MSK_RS1 | FM3_REG_MSK_RD));
		arsp->rel_rtype = R_SPARC_TLS_LE_LOX10;
		return (FIX_RELOC);

	case R_SPARC_TLS_IE_LD:
	case R_SPARC_TLS_IE_LDX:
		/*
		 * Current instruction:
		 * 	ld{x}	[r1 + r2], r3
		 *
		 * Need to update this to:
		 *
		 *	mov	r2, r3   (or  %g0, r2, r3)
		 */
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_NONE, arsp->rel_roffset, sdp->sd_name));
		*offset = ((*offset) & (FM3_REG_MSK_RS2 | FM3_REG_MSK_RD)) |
		    TLS_IE_LE_OR;
		return (FIX_DONE);

	case R_SPARC_TLS_LDO_ADD:
	case R_SPARC_TLS_GD_ADD:
		/*
		 * Current instruction is:
		 *
		 *	add gptr_reg, r2, r3
		 *
		 * Need to updated this to:
		 *
		 *	add %g7, r2, r3
		 */
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_NONE, arsp->rel_roffset, sdp->sd_name));
		*offset = *offset & (~FM3_REG_MSK_RS1);
		*offset = *offset | (REG_G7 << 14);
		return (FIX_DONE);

	case R_SPARC_TLS_LDM_CALL:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_NONE, arsp->rel_roffset, sdp->sd_name));
		*offset = TLS_LD_LE_CLRO0;
		return (FIX_DONE);

	case R_SPARC_TLS_LDM_HI22:
	case R_SPARC_TLS_LDM_LO10:
	case R_SPARC_TLS_LDM_ADD:
	case R_SPARC_TLS_IE_ADD:
	case R_SPARC_TLS_GD_CALL:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_NONE, arsp->rel_roffset, sdp->sd_name));
		*offset = M_NOP;
		return (FIX_DONE);
	}
	return (FIX_RELOC);
}

#define	GOTOP_ADDINST	0x80000000	/* add %g0, %g0, %g0 */

static Fixupret
gotop_fixups(Ofl_desc *ofl, Rel_desc *arsp)
{
	Sym_desc	*sdp = arsp->rel_sym;
	Word		rtype = arsp->rel_rtype;
	uint_t		*offset;
	const char	*ifl_name;

	switch (rtype) {
	case R_SPARC_GOTDATA_OP_HIX22:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_GOTDATA_HIX22, arsp->rel_roffset, sdp->sd_name));
		arsp->rel_rtype = R_SPARC_GOTDATA_HIX22;
		return (FIX_RELOC);

	case R_SPARC_GOTDATA_OP_LOX10:
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_GOTDATA_LOX10, arsp->rel_roffset, sdp->sd_name));
		arsp->rel_rtype = R_SPARC_GOTDATA_LOX10;
		return (FIX_RELOC);

	case R_SPARC_GOTDATA_OP:
		/*
		 * Current instruction:
		 * 	ld{x}	[r1 + r2], r3
		 *
		 * Need to update this to:
		 *
		 *	add	r1, r2, r3
		 */
		DBG_CALL(Dbg_reloc_transition(ofl->ofl_lml, M_MACH, rtype,
		    R_SPARC_NONE, arsp->rel_roffset, sdp->sd_name));
		offset = (uint_t *)(uintptr_t)(arsp->rel_roffset +
		    _elf_getxoff(arsp->rel_isdesc->is_indata) +
		    (uintptr_t)arsp->rel_osdesc->os_outdata->d_buf);

		*offset = ((*offset) & (FM3_REG_MSK_RS1 |
		    FM3_REG_MSK_RS2 | FM3_REG_MSK_RD)) | GOTOP_ADDINST;
		return (FIX_DONE);
	}
	/*
	 * We should not get here
	 */
	if (arsp->rel_isdesc->is_file)
		ifl_name = arsp->rel_isdesc->is_file->ifl_name;
	else
		ifl_name = MSG_INTL(MSG_STR_NULL);

	eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_BADGOTFIX),
	    conv_reloc_SPARC_type(arsp->rel_rtype, 0),
	    ifl_name, demangle(arsp->rel_sname));

	assert(0);
	return (FIX_ERROR);
}

uintptr_t
ld_do_activerelocs(Ofl_desc *ofl)
{
	Rel_desc	*arsp;
	Rel_cache	*rcp;
	Listnode	*lnp;
	uintptr_t	return_code = 1;
	Word		flags = ofl->ofl_flags;
	Word		dtflags1 = ofl->ofl_dtflags_1;

	DBG_CALL(Dbg_reloc_doact_title(ofl->ofl_lml));
	/*
	 * Process active relocations.
	 */
	for (LIST_TRAVERSE(&ofl->ofl_actrels, lnp, rcp)) {
		/* LINTED */
		for (arsp = (Rel_desc *)(rcp + 1);
		    arsp < rcp->rc_free; arsp++) {
			uchar_t		*addr;
			Xword		value;
			Sym_desc	*sdp;
			const char	*ifl_name;
			Xword		refaddr;

			/*
			 * If the section this relocation is against has been
			 * discarded (-zignore), then discard (skip) the
			 * relocation itself.
			 */
			if ((arsp->rel_isdesc->is_flags & FLG_IS_DISCARD) &&
			    ((arsp->rel_flags &
			    (FLG_REL_GOT | FLG_REL_BSS |
			    FLG_REL_PLT | FLG_REL_NOINFO)) == 0)) {
				DBG_CALL(Dbg_reloc_discard(ofl->ofl_lml,
				    M_MACH, arsp));
				continue;
			}

			/*
			 * Perform any required TLS fixups.
			 */
			if (arsp->rel_flags & FLG_REL_TLSFIX) {
				Fixupret	ret;

				if ((ret = tls_fixups(ofl, arsp)) == FIX_ERROR)
					return (S_ERROR);
				if (ret == FIX_DONE)
					continue;
			}

			/*
			 * Perform any required GOTOP fixups.
			 */
			if (arsp->rel_flags & FLG_REL_GOTFIX) {
				Fixupret	ret;

				if ((ret =
				    gotop_fixups(ofl, arsp)) == FIX_ERROR)
					return (S_ERROR);
				if (ret == FIX_DONE)
					continue;
			}

			/*
			 * If this is a relocation against the move table, or
			 * expanded move table, adjust the relocation entries.
			 */
			if (arsp->rel_move)
				ld_adj_movereloc(ofl, arsp);

			sdp = arsp->rel_sym;
			refaddr = arsp->rel_roffset +
			    (Off)_elf_getxoff(arsp->rel_isdesc->is_indata);

			if ((arsp->rel_flags & FLG_REL_CLVAL) ||
			    (arsp->rel_flags & FLG_REL_GOTCL))
				value = 0;
			else if (ELF_ST_TYPE(sdp->sd_sym->st_info) ==
			    STT_SECTION) {
				Sym_desc	*sym;

				/*
				 * The value for a symbol pointing to a SECTION
				 * is based off of that sections position.
				 */
				if ((sdp->sd_isc->is_flags & FLG_IS_RELUPD) &&
				    (sym = ld_am_I_partial(arsp,
				    arsp->rel_roffset))) {
					/*
					 * If the symbol is moved,
					 * adjust the value
					 */
					value = _elf_getxoff(
					    sym->sd_isc->is_indata);
					if (sym->sd_isc->is_shdr->sh_flags &
					    SHF_ALLOC)
						value += sym->sd_isc->
						    is_osdesc->os_shdr->sh_addr;
				} else {
					value = _elf_getxoff(
					    sdp->sd_isc->is_indata);
					if (sdp->sd_isc->is_shdr->sh_flags &
					    SHF_ALLOC)
						value += sdp->sd_isc->
						    is_osdesc->os_shdr->sh_addr;
				}

				if (sdp->sd_isc->is_shdr->sh_flags & SHF_TLS)
					value -= ofl->ofl_tlsphdr->p_vaddr;
			} else {
				/*
				 * else the value is the symbols value
				 */
				value = sdp->sd_sym->st_value;
			}

			/*
			 * Relocation against the GLOBAL_OFFSET_TABLE.
			 */
			if (arsp->rel_flags & FLG_REL_GOT)
				arsp->rel_osdesc = ofl->ofl_osgot;

			/*
			 * If loadable and not producing a relocatable object
			 * add the sections virtual address to the reference
			 * address.
			 */
			if ((arsp->rel_flags & FLG_REL_LOAD) &&
			    ((flags & FLG_OF_RELOBJ) == 0))
				refaddr += arsp->rel_isdesc->is_osdesc->
				    os_shdr->sh_addr;

			/*
			 * If this entry has a PLT assigned to it, it's
			 * value is actually the address of the PLT (and
			 * not the address of the function).
			 */
			if (IS_PLT(arsp->rel_rtype)) {
				if (sdp->sd_aux && sdp->sd_aux->sa_PLTndx)
					value = ld_calc_plt_addr(sdp, ofl);
			}

			/*
			 * Add relocations addend to value.  Add extra
			 * relocation addend if needed.
			 */
			value += arsp->rel_raddend;
			if (IS_EXTOFFSET(arsp->rel_rtype))
				value += arsp->rel_typedata;

			/*
			 * Determine whether the value needs further adjustment.
			 * Filter through the attributes of the relocation to
			 * determine what adjustment is required.  Note, many
			 * of the following cases are only applicable when a
			 * .got is present.  As a .got is not generated when a
			 * relocatable object is being built, any adjustments
			 * that require a .got need to be skipped.
			 */
			if ((arsp->rel_flags & FLG_REL_GOT) &&
			    ((flags & FLG_OF_RELOBJ) == 0)) {
				Xword		R1addr;
				uintptr_t	R2addr;
				Sword		gotndx;
				Gotndx		*gnp;
				Gotref		gref;

				/*
				 * Clear the GOT table entry, on SPARC we clear
				 * the entry and the 'value' if needed is stored
				 * in an output relocations addend.
				 *
				 * Calculate offset into GOT at which to apply
				 * the relocation.
				 */
				if (arsp->rel_flags & FLG_REL_DTLS)
					gref = GOT_REF_TLSGD;
				else if (arsp->rel_flags & FLG_REL_MTLS)
					gref = GOT_REF_TLSLD;
				else if (arsp->rel_flags & FLG_REL_STLS)
					gref = GOT_REF_TLSIE;
				else
					gref = GOT_REF_GENERIC;

				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref,
				    ofl, arsp);
				assert(gnp);

				if (arsp->rel_rtype == M_R_DTPOFF)
					gotndx = gnp->gn_gotndx + 1;
				else
					gotndx = gnp->gn_gotndx;

				/* LINTED */
				R1addr = (Xword)((-neggotoffset *
				    M_GOT_ENTSIZE) + (gotndx * M_GOT_ENTSIZE));

				/*
				 * Add the GOTs data's offset.
				 */
				R2addr = R1addr + (uintptr_t)
				    arsp->rel_osdesc->os_outdata->d_buf;

				DBG_CALL(Dbg_reloc_doact(ofl->ofl_lml,
				    ELF_DBG_LD, M_MACH, SHT_RELA,
				    arsp->rel_rtype, R1addr, value,
				    arsp->rel_sname, arsp->rel_osdesc));

				/*
				 * And do it.
				 */
				*(Xword *)R2addr = value;
				continue;

			} else if (IS_GOT_BASED(arsp->rel_rtype) &&
			    ((flags & FLG_OF_RELOBJ) == 0)) {
				value -= (ofl->ofl_osgot->os_shdr->sh_addr +
					(-neggotoffset * M_GOT_ENTSIZE));

			} else if (IS_PC_RELATIVE(arsp->rel_rtype)) {
				value -= refaddr;

			} else if (IS_TLS_INS(arsp->rel_rtype) &&
			    IS_GOT_RELATIVE(arsp->rel_rtype) &&
			    ((flags & FLG_OF_RELOBJ) == 0)) {
				Gotndx	*gnp;
				Gotref	gref;

				if (arsp->rel_flags & FLG_REL_STLS)
					gref = GOT_REF_TLSIE;
				else if (arsp->rel_flags & FLG_REL_DTLS)
					gref = GOT_REF_TLSGD;
				else if (arsp->rel_flags & FLG_REL_MTLS)
					gref = GOT_REF_TLSLD;

				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref,
				    ofl, arsp);
				assert(gnp);

				value = gnp->gn_gotndx * M_GOT_ENTSIZE;

			} else if (IS_GOT_RELATIVE(arsp->rel_rtype) &&
			    ((flags & FLG_OF_RELOBJ) == 0)) {
				Gotndx	*gnp;

				gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
				    GOT_REF_GENERIC, ofl, arsp);
				assert(gnp);

				value = gnp->gn_gotndx * M_GOT_ENTSIZE;

			} else if ((arsp->rel_flags & FLG_REL_STLS) &&
			    ((flags & FLG_OF_RELOBJ) == 0)) {
				Xword	tlsstatsize;

				/*
				 * This is the LE TLS
				 * reference model.  Static offset
				 * is hard-coded, and negated so that
				 * it can be added to the thread pointer (%g7)
				 */
				tlsstatsize = S_ROUND(ofl->
				    ofl_tlsphdr->p_memsz, M_TLSSTATALIGN);
				value = -(tlsstatsize - value);
			}

			if (arsp->rel_isdesc->is_file)
				ifl_name = arsp->rel_isdesc->is_file->ifl_name;
			else
				ifl_name = MSG_INTL(MSG_STR_NULL);

			/*
			 * Make sure we have data to relocate.  Compiler and
			 * assembler developers have been known to generate
			 * relocations against invalid sections (normally .bss),
			 * so for their benefit give them sufficient information
			 * to help analyze the problem.  End users should never
			 * see this.
			 */
			if (arsp->rel_isdesc->is_indata->d_buf == 0) {
				eprintf(ofl->ofl_lml, ERR_FATAL,
				    MSG_INTL(MSG_REL_EMPTYSEC),
				    conv_reloc_SPARC_type(arsp->rel_rtype, 0),
				    ifl_name, demangle(arsp->rel_sname),
				    arsp->rel_isdesc->is_name);
				return (S_ERROR);
			}

			/*
			 * Get the address of the data item we need to modify.
			 */
			addr = (uchar_t *)((uintptr_t)arsp->rel_roffset +
			    (uintptr_t)_elf_getxoff(arsp->rel_isdesc->
			    is_indata));

			/*LINTED*/
			DBG_CALL(Dbg_reloc_doact(ofl->ofl_lml, ELF_DBG_LD,
			    M_MACH, SHT_RELA, arsp->rel_rtype, EC_NATPTR(addr),
			    value, arsp->rel_sname, arsp->rel_osdesc));
			addr += (uintptr_t)arsp->rel_osdesc->os_outdata->d_buf;

			if ((((uintptr_t)addr - (uintptr_t)ofl->ofl_nehdr) >
			    ofl->ofl_size) || (arsp->rel_roffset >
			    arsp->rel_osdesc->os_shdr->sh_size)) {
				int	class;

				if (((uintptr_t)addr -
				    (uintptr_t)ofl->ofl_nehdr) > ofl->ofl_size)
					class = ERR_FATAL;
				else
					class = ERR_WARNING;

				eprintf(ofl->ofl_lml, class,
				    MSG_INTL(MSG_REL_INVALOFFSET),
				    conv_reloc_SPARC_type(arsp->rel_rtype, 0),
				    ifl_name, arsp->rel_isdesc->is_name,
				    demangle(arsp->rel_sname),
				    EC_ADDR((uintptr_t)addr -
				    (uintptr_t)ofl->ofl_nehdr));

				if (class == ERR_FATAL) {
					return_code = S_ERROR;
					continue;
				}
			}

			/*
			 * If '-z noreloc' is specified - skip the do_reloc
			 * stage.
			 */
			if ((flags & FLG_OF_RELOBJ) ||
			    !(dtflags1 & DF_1_NORELOC)) {
				if (do_reloc((uchar_t)arsp->rel_rtype, addr,
				    &value, arsp->rel_sname, ifl_name,
				    ofl->ofl_lml) == 0)
					return_code = S_ERROR;
			}
		}
	}
	return (return_code);
}

uintptr_t
ld_add_outrel(Word flags, Rel_desc *rsp, Ofl_desc *ofl)
{
	Rel_desc	*orsp;
	Rel_cache	*rcp;
	Sym_desc	*sdp = rsp->rel_sym;

	/*
	 * Static executables *do not* want any relocations against them.
	 * Since our engine still creates relocations against a WEAK UNDEFINED
	 * symbol in a static executable, it's best to disable them here
	 * instead of through out the relocation code.
	 */
	if ((ofl->ofl_flags & (FLG_OF_STATIC | FLG_OF_EXEC)) ==
	    (FLG_OF_STATIC | FLG_OF_EXEC))
		return (1);

	/*
	 * Certain relocations do not make sense in a 64bit shared object,
	 * if building a shared object do a sanity check on the output
	 * relocations being created.
	 */
	if (ofl->ofl_flags & FLG_OF_SHAROBJ) {
		Word	rtype = rsp->rel_rtype;
		/*
		 * Because the R_SPARC_HIPLT22 & R_SPARC_LOPLT10 relocations
		 * are not relative they make no sense to create in a shared
		 * object - so emit the proper error message if that occurs.
		 */
		if ((rtype == R_SPARC_HIPLT22) ||
		    (rtype == R_SPARC_LOPLT10)) {
			eprintf(ofl->ofl_lml, ERR_FATAL,
			    MSG_INTL(MSG_REL_UNRELREL),
			    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
			    rsp->rel_isdesc->is_file->ifl_name,
			    demangle(rsp->rel_sname));
			return (S_ERROR);
		}
#if	defined(_ELF64)
		/*
		 * Each of the following relocations requires that the
		 * object being built be loaded in either the upper 32 or
		 * 44 bit range of memory.  Since shared libraries traditionally
		 * are loaded in the lower range of memory - this isn't going
		 * to work.
		 */
		if ((rtype == R_SPARC_H44) || (rtype == R_SPARC_M44) ||
		    (rtype == R_SPARC_L44)) {
			eprintf(ofl->ofl_lml, ERR_FATAL,
			    MSG_INTL(MSG_REL_SHOBJABS44),
			    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
			    rsp->rel_isdesc->is_file->ifl_name,
			    demangle(rsp->rel_sname));
			return (S_ERROR);
		}
#endif
	}

	/*
	 * If no relocation cache structures are available allocate
	 * a new one and link it into the cache list.
	 */
	if ((ofl->ofl_outrels.tail == 0) ||
	    ((rcp = (Rel_cache *)ofl->ofl_outrels.tail->data) == 0) ||
	    ((orsp = rcp->rc_free) == rcp->rc_end)) {
		static size_t	nextsize = 0;
		size_t		size;

		/*
		 * Output relocation numbers can vary considerably between
		 * building executables or shared objects (pic vs. non-pic),
		 * etc.  But, they typically aren't very large, so for these
		 * objects use a standard bucket size.  For building relocatable
		 * objects, typically there will be an output relocation for
		 * every input relocation.
		 */
		if (nextsize == 0) {
			if (ofl->ofl_flags & FLG_OF_RELOBJ) {
				if ((size = ofl->ofl_relocincnt) == 0)
					size = REL_LOIDESCNO;
				if (size > REL_HOIDESCNO)
					nextsize = REL_HOIDESCNO;
				else
					nextsize = REL_LOIDESCNO;
			} else
				nextsize = size = REL_HOIDESCNO;
		} else
			size = nextsize;

		size = size * sizeof (Rel_desc);

		if (((rcp = libld_malloc(sizeof (Rel_cache) + size)) == 0) ||
		    (list_appendc(&ofl->ofl_outrels, rcp) == 0))
			return (S_ERROR);

		/* LINTED */
		rcp->rc_free = orsp = (Rel_desc *)(rcp + 1);
		/* LINTED */
		rcp->rc_end = (Rel_desc *)((char *)rcp->rc_free + size);
	}

	/*
	 * If we are adding a output relocation against a section
	 * symbol (non-RELATIVE) then mark that section.  These sections
	 * will be added to the .dynsym symbol table.
	 */
	if (sdp && (rsp->rel_rtype != M_R_RELATIVE) &&
	    ((flags & FLG_REL_SCNNDX) ||
	    (ELF_ST_TYPE(sdp->sd_sym->st_info) == STT_SECTION))) {

		/*
		 * If this is a COMMON symbol - no output section
		 * exists yet - (it's created as part of sym_validate()).
		 * So - we mark here that when it's created it should
		 * be tagged with the FLG_OS_OUTREL flag.
		 */
		if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
		    (sdp->sd_sym->st_shndx == SHN_COMMON)) {
			if (ELF_ST_TYPE(sdp->sd_sym->st_info) != STT_TLS)
				ofl->ofl_flags1 |= FLG_OF1_BSSOREL;
			else
				ofl->ofl_flags1 |= FLG_OF1_TLSOREL;
		} else {
			Os_desc	*osp = sdp->sd_isc->is_osdesc;

			if ((osp->os_flags & FLG_OS_OUTREL) == 0) {
				ofl->ofl_dynshdrcnt++;
				osp->os_flags |= FLG_OS_OUTREL;
			}
		}
	}

	*orsp = *rsp;
	orsp->rel_flags |= flags;

	rcp->rc_free++;
	ofl->ofl_outrelscnt++;

	if (flags & FLG_REL_GOT)
		ofl->ofl_relocgotsz += (Xword)sizeof (Rela);
	else if (flags & FLG_REL_PLT)
		ofl->ofl_relocpltsz += (Xword)sizeof (Rela);
	else if (flags & FLG_REL_BSS)
		ofl->ofl_relocbsssz += (Xword)sizeof (Rela);
	else if (flags & FLG_REL_NOINFO)
		ofl->ofl_relocrelsz += (Xword)sizeof (Rela);
	else
		orsp->rel_osdesc->os_szoutrels += (Xword)sizeof (Rela);

	if (orsp->rel_rtype == M_R_RELATIVE)
		ofl->ofl_relocrelcnt++;

#if	defined(_ELF64)
	/*
	 * When building a 64-bit object any R_SPARC_WDISP30 relocation is given
	 * a plt padding entry, unless we're building a relocatable object
	 * (ld -r) or -b is in effect.
	 */
	if ((orsp->rel_rtype == R_SPARC_WDISP30) &&
	    ((ofl->ofl_flags & (FLG_OF_BFLAG | FLG_OF_RELOBJ)) == 0) &&
	    ((orsp->rel_sym->sd_flags & FLG_SY_PLTPAD) == 0)) {
		ofl->ofl_pltpad++;
		orsp->rel_sym->sd_flags |= FLG_SY_PLTPAD;
	}
#endif
	/*
	 * We don't perform sorting on PLT relocations because
	 * they have already been assigned a PLT index and if we
	 * were to sort them we would have to re-assign the plt indexes.
	 */
	if (!(flags & FLG_REL_PLT))
		ofl->ofl_reloccnt++;

	/*
	 * Insure a GLOBAL_OFFSET_TABLE is generated if required.
	 */
	if (IS_GOT_REQUIRED(orsp->rel_rtype))
		ofl->ofl_flags |= FLG_OF_BLDGOT;

	/*
	 * Identify and possibly warn of a displacement relocation.
	 */
	if (orsp->rel_flags & FLG_REL_DISP) {
		ofl->ofl_dtflags_1 |= DF_1_DISPRELPND;

		if (ofl->ofl_flags & FLG_OF_VERBOSE)
			ld_disp_errmsg(MSG_INTL(MSG_REL_DISPREL4), orsp, ofl);
	}
	DBG_CALL(Dbg_reloc_ors_entry(ofl->ofl_lml, ELF_DBG_LD, SHT_RELA,
	    M_MACH, orsp));
	return (1);
}

/*
 * Process relocation against a register symbol.  Note, of -z muldefs is in
 * effect there may have been multiple register definitions, which would have
 * been processed as non-fatal, with the first definition winning.  But, we
 * will also process multiple relocations for these multiple definitions.  In
 * this case we must only preserve the relocation for the definition that was
 * kept.  The sad part is that register relocations don't typically specify
 * the register symbol with which they are associated, so we might have to
 * search the input files global symbols to determine if this relocation is
 * appropriate.
 */
uintptr_t
ld_reloc_register(Rel_desc * rsp, Is_desc * isp, Ofl_desc * ofl)
{
	if (ofl->ofl_flags & FLG_OF_MULDEFS) {
		Ifl_desc *	ifl = isp->is_file;
		Sym_desc *	sdp = rsp->rel_sym;

		if (sdp == 0) {
			Xword		offset = rsp->rel_roffset;
			Word		ndx;

			for (ndx = ifl->ifl_locscnt;
			    ndx < ifl->ifl_symscnt; ndx++) {
				if (((sdp = ifl->ifl_oldndx[ndx]) != 0) &&
				    (sdp->sd_flags & FLG_SY_REGSYM) &&
				    (sdp->sd_sym->st_value == offset))
					break;
			}
		}
		if (sdp && (sdp->sd_file != ifl))
			return (1);
	}
	return (ld_add_outrel((rsp->rel_flags | FLG_REL_REG), rsp, ofl));
}

/*
 * process relocation for a LOCAL symbol
 */
uintptr_t
ld_reloc_local(Rel_desc * rsp, Ofl_desc * ofl)
{
	Word		flags = ofl->ofl_flags;
	Sym_desc	*sdp = rsp->rel_sym;
	Word		shndx = sdp->sd_sym->st_shndx;

	/*
	 * if ((shared object) and (not pc relative relocation) and
	 *    (not against ABS symbol))
	 * then
	 *	if (rtype != R_SPARC_32)
	 *	then
	 *		build relocation against section
	 *	else
	 *		build R_SPARC_RELATIVE
	 *	fi
	 * fi
	 */
	if ((flags & FLG_OF_SHAROBJ) && (rsp->rel_flags & FLG_REL_LOAD) &&
	    !(IS_PC_RELATIVE(rsp->rel_rtype)) &&
	    !(IS_GOT_BASED(rsp->rel_rtype)) &&
	    !(rsp->rel_isdesc != NULL &&
	    (rsp->rel_isdesc->is_shdr->sh_type == SHT_SUNW_dof)) &&
	    (((sdp->sd_flags & FLG_SY_SPECSEC) == 0) ||
	    (shndx != SHN_ABS) || (sdp->sd_aux && sdp->sd_aux->sa_symspec))) {
		Word	ortype = rsp->rel_rtype;

		if ((rsp->rel_rtype != R_SPARC_32) &&
		    (rsp->rel_rtype != R_SPARC_PLT32) &&
		    (rsp->rel_rtype != R_SPARC_64))
			return (ld_add_outrel((FLG_REL_SCNNDX | FLG_REL_ADVAL),
			    rsp, ofl));

		rsp->rel_rtype = R_SPARC_RELATIVE;
		if (ld_add_outrel(FLG_REL_ADVAL, rsp, ofl) == S_ERROR)
			return (S_ERROR);
		rsp->rel_rtype = ortype;
		return (1);
	}

	/*
	 * If the relocation is against a 'non-allocatable' section
	 * and we can not resolve it now - then give a warning
	 * message.
	 *
	 * We can not resolve the symbol if either:
	 *	a) it's undefined
	 *	b) it's defined in a shared library and a
	 *	   COPY relocation hasn't moved it to the executable
	 *
	 * Note: because we process all of the relocations against the
	 *	text segment before any others - we know whether
	 *	or not a copy relocation will be generated before
	 *	we get here (see reloc_init()->reloc_segments()).
	 */
	if (!(rsp->rel_flags & FLG_REL_LOAD) &&
	    ((shndx == SHN_UNDEF) ||
	    ((sdp->sd_ref == REF_DYN_NEED) &&
	    ((sdp->sd_flags & FLG_SY_MVTOCOMM) == 0)))) {
		/*
		 * If the relocation is against a SHT_SUNW_ANNOTATE
		 * section - then silently ignore that the relocation
		 * can not be resolved.
		 */
		if (rsp->rel_osdesc &&
		    (rsp->rel_osdesc->os_shdr->sh_type == SHT_SUNW_ANNOTATE))
			return (0);
		(void) eprintf(ofl->ofl_lml, ERR_WARNING,
		    MSG_INTL(MSG_REL_EXTERNSYM),
		    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
		    rsp->rel_isdesc->is_file->ifl_name,
		    demangle(rsp->rel_sname), rsp->rel_osdesc->os_name);
		return (1);
	}

	/*
	 * Perform relocation.
	 */
	return (ld_add_actrel(NULL, rsp, ofl));
}

uintptr_t
ld_reloc_GOTOP(Boolean local, Rel_desc * rsp, Ofl_desc * ofl)
{
	Word	rtype = rsp->rel_rtype;

	if (!local) {
		/*
		 * When binding to a external symbol, no fixups are required
		 * and the GOTDATA_OP relocation can be ignored.
		 */
		if (rtype == R_SPARC_GOTDATA_OP)
			return (1);
		return (ld_reloc_GOT_relative(local, rsp, ofl));
	}

	/*
	 * When binding to a local symbol the relocations can be transitioned:
	 *
	 *	R_*_GOTDATA_OP_HIX22 -> R_*_GOTDATA_HIX22
	 *	R_*_GOTDATA_OP_LOX10 -> R_*_GOTDATA_LOX10
	 *	R_*_GOTDATA_OP ->	instruction fixup
	 */
	return (ld_add_actrel(FLG_REL_GOTFIX, rsp, ofl));
}

uintptr_t
ld_reloc_TLS(Boolean local, Rel_desc * rsp, Ofl_desc * ofl)
{
	Word		rtype = rsp->rel_rtype;
	Sym_desc	*sdp = rsp->rel_sym;
	Word		flags = ofl->ofl_flags;
	Word		rflags;
	Gotndx		*gnp;

	/*
	 * all TLS relocations are illegal in a static executable.
	 */
	if ((ofl->ofl_flags & (FLG_OF_STATIC | FLG_OF_EXEC)) ==
	    (FLG_OF_STATIC | FLG_OF_EXEC)) {
		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_TLSSTAT),
		    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
		    rsp->rel_isdesc->is_file->ifl_name,
		    demangle(rsp->rel_sname));
		return (S_ERROR);
	}

	/*
	 * Any TLS relocation must be against a STT_TLS symbol, all others
	 * are illegal.
	 */
	if (ELF_ST_TYPE(sdp->sd_sym->st_info) != STT_TLS) {
		Ifl_desc	*ifl = rsp->rel_isdesc->is_file;

		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_TLSBADSYM),
		    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
		    ifl->ifl_name, demangle(rsp->rel_sname),
		    conv_sym_info_type(ifl->ifl_ehdr->e_machine,
		    ELF_ST_TYPE(sdp->sd_sym->st_info), 0));
		return (S_ERROR);
	}

	/*
	 * We're a executable - use either the IE or LE
	 * access model.
	 */
	if (flags & FLG_OF_EXEC) {
		/*
		 * If we are using either IE or LE reference
		 * model set the DF_STATIC_TLS flag.
		 */
		ofl->ofl_dtflags |= DF_STATIC_TLS;

		if (!local) {
			/*
			 * IE access model
			 */
			/*
			 * When building a executable - these relocations
			 * can be ignored.
			 */
			if ((rtype == R_SPARC_TLS_IE_LD) ||
			    (rtype == R_SPARC_TLS_IE_LDX) ||
			    (rtype == R_SPARC_TLS_IE_ADD))
				return (1);

			/*
			 * It's not possible for LD or LE reference
			 * models to reference a symbol external to
			 * the current object.
			 */
			if (IS_TLS_LD(rtype) || IS_TLS_LE(rtype)) {
				eprintf(ofl->ofl_lml, ERR_FATAL,
				    MSG_INTL(MSG_REL_TLSBND),
				    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
				    rsp->rel_isdesc->is_file->ifl_name,
				    demangle(rsp->rel_sname),
				    sdp->sd_file->ifl_name);
				return (S_ERROR);
			}

			/*
			 * Assign a GOT entry for static TLS references
			 */
			if (((rtype == R_SPARC_TLS_GD_HI22) ||
			    (rtype == R_SPARC_TLS_GD_LO10) ||
			    (rtype == R_SPARC_TLS_IE_HI22) ||
			    (rtype == R_SPARC_TLS_IE_LO10)) &&
			    ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
			    GOT_REF_TLSIE, ofl, rsp)) == 0)) {
				if (ld_assign_gotndx(&(sdp->sd_GOTndxs), gnp,
				    GOT_REF_TLSIE, ofl, rsp, sdp) == S_ERROR)
					return (S_ERROR);
				rsp->rel_rtype = M_R_TPOFF;
				if (ld_add_outrel((FLG_REL_GOT | FLG_REL_STLS),
				    rsp, ofl) == S_ERROR)
					return (S_ERROR);
				rsp->rel_rtype = rtype;
			}

			if (IS_TLS_IE(rtype))
				return (ld_add_actrel(FLG_REL_STLS, rsp, ofl));

			/*
			 * If (GD) reference models - fixups
			 * are required.
			 */
			return (ld_add_actrel((FLG_REL_TLSFIX | FLG_REL_STLS),
			    rsp, ofl));
		}
		/*
		 * LE access model
		 */
		if (IS_TLS_LE(rtype))
			return (ld_add_actrel(FLG_REL_STLS, rsp, ofl));

		/*
		 * When building a executable - these relocations
		 * can be ignored.
		 */
		if (rtype == R_SPARC_TLS_IE_ADD)
			return (1);

		return (ld_add_actrel((FLG_REL_TLSFIX | FLG_REL_STLS),
		    rsp, ofl));
	}

	/*
	 * Building a shared object
	 */

	/*
	 * Building a shared object - only GD & LD access models
	 * will work here.
	 */
	if (IS_TLS_IE(rtype) || IS_TLS_LE(rtype)) {
		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_TLSIE),
		    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
		    rsp->rel_isdesc->is_file->ifl_name,
		    demangle(rsp->rel_sname));
		return (S_ERROR);
	}

	/*
	 * LD access mode can only bind to local symbols.
	 */
	if (!local && IS_TLS_LD(rtype)) {
		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_TLSBND),
		    conv_reloc_SPARC_type(rsp->rel_rtype, 0),
		    rsp->rel_isdesc->is_file->ifl_name,
		    demangle(rsp->rel_sname),
		    sdp->sd_file->ifl_name);
		return (S_ERROR);
	}

	/*
	 * For dynamic TLS references - ADD relocations
	 * are ignored.
	 */
	if ((rtype == R_SPARC_TLS_GD_ADD) || (rtype == R_SPARC_TLS_LDM_ADD) ||
	    (rtype == R_SPARC_TLS_LDO_ADD))
		return (1);

	/*
	 * Assign a GOT entry for a dynamic TLS reference.
	 */
	if (((rtype == R_SPARC_TLS_LDM_HI22) ||
	    (rtype == R_SPARC_TLS_LDM_LO10)) &&
	    ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
	    GOT_REF_TLSLD, ofl, rsp)) == 0)) {
		if (ld_assign_gotndx(&(sdp->sd_GOTndxs), gnp, GOT_REF_TLSLD,
		    ofl, rsp, sdp) == S_ERROR)
			return (S_ERROR);
		rsp->rel_rtype = M_R_DTPMOD;
		rflags = FLG_REL_GOT | FLG_REL_MTLS;
		if (local)
			rflags |= FLG_REL_SCNNDX;

		if (ld_add_outrel(rflags, rsp, ofl) == S_ERROR)
			return (S_ERROR);

		rsp->rel_rtype = rtype;

	} else if (((rtype == R_SPARC_TLS_GD_HI22) || (rtype ==
	    R_SPARC_TLS_GD_LO10)) && ((gnp = ld_find_gotndx(&(sdp->sd_GOTndxs),
	    GOT_REF_TLSGD, ofl, rsp)) == 0)) {
		if (ld_assign_gotndx(&(sdp->sd_GOTndxs), gnp, GOT_REF_TLSGD,
		    ofl, rsp, sdp) == S_ERROR)
			return (S_ERROR);
		rsp->rel_rtype = M_R_DTPMOD;
		rflags = FLG_REL_GOT | FLG_REL_DTLS;
		if (local)
			rflags |= FLG_REL_SCNNDX;

		if (ld_add_outrel(rflags, rsp, ofl) == S_ERROR)
			return (S_ERROR);

		if (local == TRUE) {
			rsp->rel_rtype = M_R_DTPOFF;
			if (ld_add_actrel((FLG_REL_GOT | FLG_REL_DTLS), rsp,
			    ofl) == S_ERROR)
				return (S_ERROR);
		} else {
			rsp->rel_rtype = M_R_DTPOFF;
			if (ld_add_outrel((FLG_REL_GOT | FLG_REL_DTLS), rsp,
			    ofl) == S_ERROR)
				return (S_ERROR);
		}
		rsp->rel_rtype = rtype;
	}
	/*
	 * For GD/LD TLS reference - TLS_{GD,LD}_CALL, this will eventually
	 * cause a call to __tls_get_addr().  Let's convert this
	 * relocation to that symbol now, and prepare for the PLT magic.
	 */
	if ((rtype == R_SPARC_TLS_GD_CALL) || (rtype == R_SPARC_TLS_LDM_CALL)) {
		Sym_desc *	tlsgetsym;

		if ((tlsgetsym = ld_sym_add_u(MSG_ORIG(MSG_SYM_TLSGETADDR_U),
		    ofl)) == (Sym_desc *)S_ERROR)
			return (S_ERROR);
		rsp->rel_sym = tlsgetsym;
		rsp->rel_sname = tlsgetsym->sd_name;
		rsp->rel_rtype = R_SPARC_WPLT30;
		if (ld_reloc_plt(rsp, ofl) == S_ERROR)
			return (S_ERROR);
		rsp->rel_sym = sdp;
		rsp->rel_sname = sdp->sd_name;
		rsp->rel_rtype = rtype;
		return (1);
	}

	if (IS_TLS_LD(rtype))
		return (ld_add_actrel(FLG_REL_MTLS, rsp, ofl));

	return (ld_add_actrel(FLG_REL_DTLS, rsp, ofl));
}

/*
 * ld_allocate_got: if a GOT is to be made, after the section is built this
 * function is called to allocate all the GOT slots.  The allocation is
 * deferred until after all GOTs have been counted and sorted according
 * to their size, for only then will we know how to allocate them on
 * a processor like SPARC which has different models for addressing the
 * GOT.  SPARC has two: small and large, small uses a signed 13-bit offset
 * into the GOT, whereas large uses an unsigned 32-bit offset.
 */
static	Sword small_index;	/* starting index for small GOT entries */
static	Sword large_index;	/* starting index for large GOT entries */

uintptr_t
ld_assign_got(Ofl_desc *ofl, Sym_desc * sdp)
{
	Listnode *	lnp;
	Gotndx *	gnp;

	for (LIST_TRAVERSE(&sdp->sd_GOTndxs, lnp, gnp)) {
		uint_t	gotents;
		Gotref	gref;
		gref = gnp->gn_gotref;
		if ((gref == GOT_REF_TLSGD) || (gref == GOT_REF_TLSLD))
			gotents = 2;
		else
			gotents = 1;

		switch (gnp->gn_gotndx) {
		case M_GOT_SMALL:
			gnp->gn_gotndx = small_index;
			small_index += gotents;
			if (small_index == 0)
				small_index = M_GOT_XNumber;
			break;
		case M_GOT_LARGE:
			gnp->gn_gotndx = large_index;
			large_index += gotents;
			break;
		default:
			eprintf(ofl->ofl_lml, ERR_FATAL,
			    MSG_INTL(MSG_REL_ASSIGNGOT),
			    EC_XWORD(gnp->gn_gotndx), demangle(sdp->sd_name));
			return (S_ERROR);
		}
	}
	return (1);
}

/*
 * Search the GOT index list for a GOT entry with the proper addend.
 */
Gotndx *
ld_find_gotndx(List * lst, Gotref gref, Ofl_desc * ofl, Rel_desc * rdesc)
{
	Listnode *	lnp;
	Gotndx *	gnp;

	if ((gref == GOT_REF_TLSLD) && ofl->ofl_tlsldgotndx)
		return (ofl->ofl_tlsldgotndx);

	for (LIST_TRAVERSE(lst, lnp, gnp)) {
		if ((rdesc->rel_raddend == gnp->gn_addend) &&
		    (gref == gnp->gn_gotref))
			return (gnp);
	}
	return ((Gotndx *)0);
}

Xword
ld_calc_got_offset(Rel_desc * rdesc, Ofl_desc * ofl)
{
	Os_desc		*osp = ofl->ofl_osgot;
	Sym_desc	*sdp = rdesc->rel_sym;
	Xword		gotndx;
	Gotref		gref;
	Gotndx		*gnp;

	if (rdesc->rel_flags & FLG_REL_DTLS)
		gref = GOT_REF_TLSGD;
	else if (rdesc->rel_flags & FLG_REL_MTLS)
		gref = GOT_REF_TLSLD;
	else if (rdesc->rel_flags & FLG_REL_STLS)
		gref = GOT_REF_TLSIE;
	else
		gref = GOT_REF_GENERIC;

	gnp = ld_find_gotndx(&(sdp->sd_GOTndxs), gref, ofl, rdesc);
	assert(gnp);

	gotndx = (Xword)gnp->gn_gotndx;

	if ((rdesc->rel_flags & FLG_REL_DTLS) &&
	    (rdesc->rel_rtype == M_R_DTPOFF))
		gotndx++;

	return ((Xword)((osp->os_shdr->sh_addr) + (gotndx * M_GOT_ENTSIZE) +
	    (-neggotoffset * M_GOT_ENTSIZE)));
}

uintptr_t
ld_assign_gotndx(List * lst, Gotndx * pgnp, Gotref gref, Ofl_desc * ofl,
    Rel_desc * rsp, Sym_desc * sdp)
{
	Xword		raddend;
	Gotndx *	gnp, * _gnp;
	Listnode *	lnp, * plnp;
	uint_t		gotents;

	raddend = rsp->rel_raddend;
	if (pgnp && (pgnp->gn_addend == raddend) && (pgnp->gn_gotref == gref)) {
		/*
		 * If an entry for this addend already exists, determine if it
		 * should be changed to a SMALL got.
		 */
		if ((pgnp->gn_gotndx != M_GOT_SMALL) &&
		    (rsp->rel_rtype == R_SPARC_GOT13)) {
			smlgotcnt++;
			pgnp->gn_gotndx = M_GOT_SMALL;
			sdp->sd_flags |= FLG_SY_SMGOT;
		}
		return (1);
	}

	if ((gref == GOT_REF_TLSGD) || (gref == GOT_REF_TLSLD))
		gotents = 2;
	else
		gotents = 1;

	plnp = 0;
	for (LIST_TRAVERSE(lst, lnp, _gnp)) {
		if (_gnp->gn_addend > raddend)
			break;
		plnp = lnp;
	}

	/*
	 * Allocate a new entry.
	 */
	if ((gnp = libld_calloc(sizeof (Gotndx), 1)) == 0)
		return (S_ERROR);
	gnp->gn_addend = raddend;
	gnp->gn_gotref = gref;
	ofl->ofl_gotcnt += gotents;

	if (rsp->rel_rtype == R_SPARC_GOT13) {
		gnp->gn_gotndx = M_GOT_SMALL;
		smlgotcnt++;
		sdp->sd_flags |= FLG_SY_SMGOT;
	} else
		gnp->gn_gotndx = M_GOT_LARGE;

	if (gref == GOT_REF_TLSLD) {
		ofl->ofl_tlsldgotndx = gnp;
		return (1);
	}

	if (plnp == 0) {
		/*
		 * Insert at head of list
		 */
		if (list_prependc(lst, (void *)gnp) == 0)
			return (S_ERROR);
	} else if (_gnp->gn_addend > raddend) {
		/*
		 * Insert in middle of lest
		 */
		if (list_insertc(lst, (void *)gnp, plnp) == 0)
			return (S_ERROR);
	} else {
		/*
		 * Append to tail of list
		 */
		if (list_appendc(lst, (void *)gnp) == 0)
			return (S_ERROR);
	}
	return (1);
}

void
ld_assign_plt_ndx(Sym_desc * sdp, Ofl_desc *ofl)
{
	sdp->sd_aux->sa_PLTndx = 1 + ofl->ofl_pltcnt++;
}


uintptr_t
ld_allocate_got(Ofl_desc * ofl)
{
	Sym_desc *	sdp;
	Addr		addr;

	/*
	 * Sanity check -- is this going to fit at all?
	 */
	if (smlgotcnt >= M_GOT_MAXSMALL) {
		eprintf(ofl->ofl_lml, ERR_FATAL, MSG_INTL(MSG_REL_SMALLGOT),
		    EC_WORD(smlgotcnt), M_GOT_MAXSMALL);
		return (S_ERROR);
	}

	/*
	 * Set starting offset to be either 0, or a negative index into
	 * the GOT based on the number of small symbols we've got.
	 */
	neggotoffset = ((smlgotcnt > (M_GOT_MAXSMALL / 2)) ?
	    -((smlgotcnt - (M_GOT_MAXSMALL / 2))) : 0);

	/*
	 * Initialize the large and small got offsets (used in assign_got()).
	 */
	small_index = neggotoffset == 0 ? M_GOT_XNumber : neggotoffset;
	large_index = neggotoffset + smlgotcnt;

	/*
	 * Assign bias to GOT symbols.
	 */
	addr = -neggotoffset * M_GOT_ENTSIZE;
	if (sdp = ld_sym_find(MSG_ORIG(MSG_SYM_GOFTBL), SYM_NOHASH, 0, ofl))
		sdp->sd_sym->st_value = addr;
	if (sdp = ld_sym_find(MSG_ORIG(MSG_SYM_GOFTBL_U), SYM_NOHASH, 0, ofl))
		sdp->sd_sym->st_value = addr;

	if (ofl->ofl_tlsldgotndx) {
		ofl->ofl_tlsldgotndx->gn_gotndx = large_index;
		large_index += 2;
	}
	return (1);
}


/*
 * Initializes .got[0] with the _DYNAMIC symbol value.
 */
uintptr_t
ld_fillin_gotplt(Ofl_desc * ofl)
{
	if (ofl->ofl_osgot) {
		Sym_desc *	sdp;

		if ((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_DYNAMIC_U),
		    SYM_NOHASH, 0, ofl)) != NULL) {
			uchar_t	*genptr = ((uchar_t *)
			    ofl->ofl_osgot->os_outdata->d_buf +
			    (-neggotoffset * M_GOT_ENTSIZE) +
			    (M_GOT_XDYNAMIC * M_GOT_ENTSIZE));
			/* LINTED */
			*((Xword *)genptr) = sdp->sd_sym->st_value;
		}
	}
	return (1);
}