1 /* BFD back-end for HP PA-RISC ELF files.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005, 2006, 2007, 2008
4 Free Software Foundation, Inc.
7 Center for Software Science
8 Department of Computer Science
10 Largely rewritten by Alan Modra <alan@linuxcare.com.au>
11 Naming cleanup by Carlos O'Donell <carlos@systemhalted.org>
12 TLS support written by Randolph Chung <tausq@debian.org>
14 This file is part of BFD, the Binary File Descriptor library.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 3 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
37 #include "elf32-hppa.h"
39 #include "elf32-hppa.h"
42 /* In order to gain some understanding of code in this file without
43 knowing all the intricate details of the linker, note the
46 Functions named elf32_hppa_* are called by external routines, other
47 functions are only called locally. elf32_hppa_* functions appear
48 in this file more or less in the order in which they are called
49 from external routines. eg. elf32_hppa_check_relocs is called
50 early in the link process, elf32_hppa_finish_dynamic_sections is
51 one of the last functions. */
53 /* We use two hash tables to hold information for linking PA ELF objects.
55 The first is the elf32_hppa_link_hash_table which is derived
56 from the standard ELF linker hash table. We use this as a place to
57 attach other hash tables and static information.
59 The second is the stub hash table which is derived from the
60 base BFD hash table. The stub hash table holds the information
61 necessary to build the linker stubs during a link.
63 There are a number of different stubs generated by the linker.
71 : addil LR'X - ($PIC_pcrel$0 - 4),%r1
72 : be,n RR'X - ($PIC_pcrel$0 - 8)(%sr4,%r1)
74 Import stub to call shared library routine from normal object file
75 (single sub-space version)
76 : addil LR'lt_ptr+ltoff,%dp ; get procedure entry point
77 : ldw RR'lt_ptr+ltoff(%r1),%r21
79 : ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
81 Import stub to call shared library routine from shared library
82 (single sub-space version)
83 : addil LR'ltoff,%r19 ; get procedure entry point
84 : ldw RR'ltoff(%r1),%r21
86 : ldw RR'ltoff+4(%r1),%r19 ; get new dlt value.
88 Import stub to call shared library routine from normal object file
89 (multiple sub-space support)
90 : addil LR'lt_ptr+ltoff,%dp ; get procedure entry point
91 : ldw RR'lt_ptr+ltoff(%r1),%r21
92 : ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
95 : be 0(%sr0,%r21) ; branch to target
96 : stw %rp,-24(%sp) ; save rp
98 Import stub to call shared library routine from shared library
99 (multiple sub-space support)
100 : addil LR'ltoff,%r19 ; get procedure entry point
101 : ldw RR'ltoff(%r1),%r21
102 : ldw RR'ltoff+4(%r1),%r19 ; get new dlt value.
105 : be 0(%sr0,%r21) ; branch to target
106 : stw %rp,-24(%sp) ; save rp
108 Export stub to return from shared lib routine (multiple sub-space support)
109 One of these is created for each exported procedure in a shared
110 library (and stored in the shared lib). Shared lib routines are
111 called via the first instruction in the export stub so that we can
112 do an inter-space return. Not required for single sub-space.
113 : bl,n X,%rp ; trap the return
115 : ldw -24(%sp),%rp ; restore the original rp
118 : be,n 0(%sr0,%rp) ; inter-space return. */
121 /* Variable names follow a coding style.
122 Please follow this (Apps Hungarian) style:
124 Structure/Variable Prefix
125 elf_link_hash_table "etab"
126 elf_link_hash_entry "eh"
128 elf32_hppa_link_hash_table "htab"
129 elf32_hppa_link_hash_entry "hh"
131 bfd_hash_table "btab"
134 bfd_hash_table containing stubs "bstab"
135 elf32_hppa_stub_hash_entry "hsh"
137 elf32_hppa_dyn_reloc_entry "hdh"
139 Always remember to use GNU Coding Style. */
141 #define PLT_ENTRY_SIZE 8
142 #define GOT_ENTRY_SIZE 4
143 #define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
145 static const bfd_byte plt_stub
[] =
147 0x0e, 0x80, 0x10, 0x96, /* 1: ldw 0(%r20),%r22 */
148 0xea, 0xc0, 0xc0, 0x00, /* bv %r0(%r22) */
149 0x0e, 0x88, 0x10, 0x95, /* ldw 4(%r20),%r21 */
150 #define PLT_STUB_ENTRY (3*4)
151 0xea, 0x9f, 0x1f, 0xdd, /* b,l 1b,%r20 */
152 0xd6, 0x80, 0x1c, 0x1e, /* depi 0,31,2,%r20 */
153 0x00, 0xc0, 0xff, 0xee, /* 9: .word fixup_func */
154 0xde, 0xad, 0xbe, 0xef /* .word fixup_ltp */
157 /* Section name for stubs is the associated section name plus this
159 #define STUB_SUFFIX ".stub"
161 /* We don't need to copy certain PC- or GP-relative dynamic relocs
162 into a shared object's dynamic section. All the relocs of the
163 limited class we are interested in, are absolute. */
164 #ifndef RELATIVE_DYNRELOCS
165 #define RELATIVE_DYNRELOCS 0
166 #define IS_ABSOLUTE_RELOC(r_type) 1
169 /* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
170 copying dynamic variables from a shared lib into an app's dynbss
171 section, and instead use a dynamic relocation to point into the
173 #define ELIMINATE_COPY_RELOCS 1
175 enum elf32_hppa_stub_type
177 hppa_stub_long_branch
,
178 hppa_stub_long_branch_shared
,
180 hppa_stub_import_shared
,
185 struct elf32_hppa_stub_hash_entry
187 /* Base hash table entry structure. */
188 struct bfd_hash_entry bh_root
;
190 /* The stub section. */
193 /* Offset within stub_sec of the beginning of this stub. */
196 /* Given the symbol's value and its section we can determine its final
197 value when building the stubs (so the stub knows where to jump. */
198 bfd_vma target_value
;
199 asection
*target_section
;
201 enum elf32_hppa_stub_type stub_type
;
203 /* The symbol table entry, if any, that this was derived from. */
204 struct elf32_hppa_link_hash_entry
*hh
;
206 /* Where this stub is being called from, or, in the case of combined
207 stub sections, the first input section in the group. */
211 struct elf32_hppa_link_hash_entry
213 struct elf_link_hash_entry eh
;
215 /* A pointer to the most recently used stub hash entry against this
217 struct elf32_hppa_stub_hash_entry
*hsh_cache
;
219 /* Used to count relocations for delayed sizing of relocation
221 struct elf32_hppa_dyn_reloc_entry
223 /* Next relocation in the chain. */
224 struct elf32_hppa_dyn_reloc_entry
*hdh_next
;
226 /* The input section of the reloc. */
229 /* Number of relocs copied in this section. */
232 #if RELATIVE_DYNRELOCS
233 /* Number of relative relocs copied for the input section. */
234 bfd_size_type relative_count
;
240 GOT_UNKNOWN
= 0, GOT_NORMAL
= 1, GOT_TLS_GD
= 2, GOT_TLS_LDM
= 4, GOT_TLS_IE
= 8
243 /* Set if this symbol is used by a plabel reloc. */
244 unsigned int plabel
:1;
247 struct elf32_hppa_link_hash_table
249 /* The main hash table. */
250 struct elf_link_hash_table etab
;
252 /* The stub hash table. */
253 struct bfd_hash_table bstab
;
255 /* Linker stub bfd. */
258 /* Linker call-backs. */
259 asection
* (*add_stub_section
) (const char *, asection
*);
260 void (*layout_sections_again
) (void);
262 /* Array to keep track of which stub sections have been created, and
263 information on stub grouping. */
266 /* This is the section to which stubs in the group will be
269 /* The stub section. */
273 /* Assorted information used by elf32_hppa_size_stubs. */
274 unsigned int bfd_count
;
276 asection
**input_list
;
277 Elf_Internal_Sym
**all_local_syms
;
279 /* Short-cuts to get to dynamic linker sections. */
287 /* Used during a final link to store the base of the text and data
288 segments so that we can perform SEGREL relocations. */
289 bfd_vma text_segment_base
;
290 bfd_vma data_segment_base
;
292 /* Whether we support multiple sub-spaces for shared libs. */
293 unsigned int multi_subspace
:1;
295 /* Flags set when various size branches are detected. Used to
296 select suitable defaults for the stub group size. */
297 unsigned int has_12bit_branch
:1;
298 unsigned int has_17bit_branch
:1;
299 unsigned int has_22bit_branch
:1;
301 /* Set if we need a .plt stub to support lazy dynamic linking. */
302 unsigned int need_plt_stub
:1;
304 /* Small local sym to section mapping cache. */
305 struct sym_sec_cache sym_sec
;
307 /* Data for LDM relocations. */
310 bfd_signed_vma refcount
;
315 /* Various hash macros and functions. */
316 #define hppa_link_hash_table(p) \
317 ((struct elf32_hppa_link_hash_table *) ((p)->hash))
319 #define hppa_elf_hash_entry(ent) \
320 ((struct elf32_hppa_link_hash_entry *)(ent))
322 #define hppa_stub_hash_entry(ent) \
323 ((struct elf32_hppa_stub_hash_entry *)(ent))
325 #define hppa_stub_hash_lookup(table, string, create, copy) \
326 ((struct elf32_hppa_stub_hash_entry *) \
327 bfd_hash_lookup ((table), (string), (create), (copy)))
329 #define hppa_elf_local_got_tls_type(abfd) \
330 ((char *)(elf_local_got_offsets (abfd) + (elf_tdata (abfd)->symtab_hdr.sh_info * 2)))
332 #define hh_name(hh) \
333 (hh ? hh->eh.root.root.string : "<undef>")
335 #define eh_name(eh) \
336 (eh ? eh->root.root.string : "<undef>")
338 /* Override the generic function because we want to mark our BFDs. */
341 elf32_hppa_mkobject (bfd
*abfd
)
343 return bfd_elf_allocate_object (abfd
, sizeof (struct elf_obj_tdata
),
347 /* Assorted hash table functions. */
349 /* Initialize an entry in the stub hash table. */
351 static struct bfd_hash_entry
*
352 stub_hash_newfunc (struct bfd_hash_entry
*entry
,
353 struct bfd_hash_table
*table
,
356 /* Allocate the structure if it has not already been allocated by a
360 entry
= bfd_hash_allocate (table
,
361 sizeof (struct elf32_hppa_stub_hash_entry
));
366 /* Call the allocation method of the superclass. */
367 entry
= bfd_hash_newfunc (entry
, table
, string
);
370 struct elf32_hppa_stub_hash_entry
*hsh
;
372 /* Initialize the local fields. */
373 hsh
= hppa_stub_hash_entry (entry
);
374 hsh
->stub_sec
= NULL
;
375 hsh
->stub_offset
= 0;
376 hsh
->target_value
= 0;
377 hsh
->target_section
= NULL
;
378 hsh
->stub_type
= hppa_stub_long_branch
;
386 /* Initialize an entry in the link hash table. */
388 static struct bfd_hash_entry
*
389 hppa_link_hash_newfunc (struct bfd_hash_entry
*entry
,
390 struct bfd_hash_table
*table
,
393 /* Allocate the structure if it has not already been allocated by a
397 entry
= bfd_hash_allocate (table
,
398 sizeof (struct elf32_hppa_link_hash_entry
));
403 /* Call the allocation method of the superclass. */
404 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
407 struct elf32_hppa_link_hash_entry
*hh
;
409 /* Initialize the local fields. */
410 hh
= hppa_elf_hash_entry (entry
);
411 hh
->hsh_cache
= NULL
;
412 hh
->dyn_relocs
= NULL
;
414 hh
->tls_type
= GOT_UNKNOWN
;
420 /* Create the derived linker hash table. The PA ELF port uses the derived
421 hash table to keep information specific to the PA ELF linker (without
422 using static variables). */
424 static struct bfd_link_hash_table
*
425 elf32_hppa_link_hash_table_create (bfd
*abfd
)
427 struct elf32_hppa_link_hash_table
*htab
;
428 bfd_size_type amt
= sizeof (*htab
);
430 htab
= bfd_malloc (amt
);
434 if (!_bfd_elf_link_hash_table_init (&htab
->etab
, abfd
, hppa_link_hash_newfunc
,
435 sizeof (struct elf32_hppa_link_hash_entry
)))
441 /* Init the stub hash table too. */
442 if (!bfd_hash_table_init (&htab
->bstab
, stub_hash_newfunc
,
443 sizeof (struct elf32_hppa_stub_hash_entry
)))
446 htab
->stub_bfd
= NULL
;
447 htab
->add_stub_section
= NULL
;
448 htab
->layout_sections_again
= NULL
;
449 htab
->stub_group
= NULL
;
451 htab
->srelgot
= NULL
;
453 htab
->srelplt
= NULL
;
454 htab
->sdynbss
= NULL
;
455 htab
->srelbss
= NULL
;
456 htab
->text_segment_base
= (bfd_vma
) -1;
457 htab
->data_segment_base
= (bfd_vma
) -1;
458 htab
->multi_subspace
= 0;
459 htab
->has_12bit_branch
= 0;
460 htab
->has_17bit_branch
= 0;
461 htab
->has_22bit_branch
= 0;
462 htab
->need_plt_stub
= 0;
463 htab
->sym_sec
.abfd
= NULL
;
464 htab
->tls_ldm_got
.refcount
= 0;
466 return &htab
->etab
.root
;
469 /* Free the derived linker hash table. */
472 elf32_hppa_link_hash_table_free (struct bfd_link_hash_table
*btab
)
474 struct elf32_hppa_link_hash_table
*htab
475 = (struct elf32_hppa_link_hash_table
*) btab
;
477 bfd_hash_table_free (&htab
->bstab
);
478 _bfd_generic_link_hash_table_free (btab
);
481 /* Build a name for an entry in the stub hash table. */
484 hppa_stub_name (const asection
*input_section
,
485 const asection
*sym_sec
,
486 const struct elf32_hppa_link_hash_entry
*hh
,
487 const Elf_Internal_Rela
*rela
)
494 len
= 8 + 1 + strlen (hh_name (hh
)) + 1 + 8 + 1;
495 stub_name
= bfd_malloc (len
);
496 if (stub_name
!= NULL
)
497 sprintf (stub_name
, "%08x_%s+%x",
498 input_section
->id
& 0xffffffff,
500 (int) rela
->r_addend
& 0xffffffff);
504 len
= 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
505 stub_name
= bfd_malloc (len
);
506 if (stub_name
!= NULL
)
507 sprintf (stub_name
, "%08x_%x:%x+%x",
508 input_section
->id
& 0xffffffff,
509 sym_sec
->id
& 0xffffffff,
510 (int) ELF32_R_SYM (rela
->r_info
) & 0xffffffff,
511 (int) rela
->r_addend
& 0xffffffff);
516 /* Look up an entry in the stub hash. Stub entries are cached because
517 creating the stub name takes a bit of time. */
519 static struct elf32_hppa_stub_hash_entry
*
520 hppa_get_stub_entry (const asection
*input_section
,
521 const asection
*sym_sec
,
522 struct elf32_hppa_link_hash_entry
*hh
,
523 const Elf_Internal_Rela
*rela
,
524 struct elf32_hppa_link_hash_table
*htab
)
526 struct elf32_hppa_stub_hash_entry
*hsh_entry
;
527 const asection
*id_sec
;
529 /* If this input section is part of a group of sections sharing one
530 stub section, then use the id of the first section in the group.
531 Stub names need to include a section id, as there may well be
532 more than one stub used to reach say, printf, and we need to
533 distinguish between them. */
534 id_sec
= htab
->stub_group
[input_section
->id
].link_sec
;
536 if (hh
!= NULL
&& hh
->hsh_cache
!= NULL
537 && hh
->hsh_cache
->hh
== hh
538 && hh
->hsh_cache
->id_sec
== id_sec
)
540 hsh_entry
= hh
->hsh_cache
;
546 stub_name
= hppa_stub_name (id_sec
, sym_sec
, hh
, rela
);
547 if (stub_name
== NULL
)
550 hsh_entry
= hppa_stub_hash_lookup (&htab
->bstab
,
551 stub_name
, FALSE
, FALSE
);
553 hh
->hsh_cache
= hsh_entry
;
561 /* Add a new stub entry to the stub hash. Not all fields of the new
562 stub entry are initialised. */
564 static struct elf32_hppa_stub_hash_entry
*
565 hppa_add_stub (const char *stub_name
,
567 struct elf32_hppa_link_hash_table
*htab
)
571 struct elf32_hppa_stub_hash_entry
*hsh
;
573 link_sec
= htab
->stub_group
[section
->id
].link_sec
;
574 stub_sec
= htab
->stub_group
[section
->id
].stub_sec
;
575 if (stub_sec
== NULL
)
577 stub_sec
= htab
->stub_group
[link_sec
->id
].stub_sec
;
578 if (stub_sec
== NULL
)
584 namelen
= strlen (link_sec
->name
);
585 len
= namelen
+ sizeof (STUB_SUFFIX
);
586 s_name
= bfd_alloc (htab
->stub_bfd
, len
);
590 memcpy (s_name
, link_sec
->name
, namelen
);
591 memcpy (s_name
+ namelen
, STUB_SUFFIX
, sizeof (STUB_SUFFIX
));
592 stub_sec
= (*htab
->add_stub_section
) (s_name
, link_sec
);
593 if (stub_sec
== NULL
)
595 htab
->stub_group
[link_sec
->id
].stub_sec
= stub_sec
;
597 htab
->stub_group
[section
->id
].stub_sec
= stub_sec
;
600 /* Enter this entry into the linker stub hash table. */
601 hsh
= hppa_stub_hash_lookup (&htab
->bstab
, stub_name
,
605 (*_bfd_error_handler
) (_("%B: cannot create stub entry %s"),
611 hsh
->stub_sec
= stub_sec
;
612 hsh
->stub_offset
= 0;
613 hsh
->id_sec
= link_sec
;
617 /* Determine the type of stub needed, if any, for a call. */
619 static enum elf32_hppa_stub_type
620 hppa_type_of_stub (asection
*input_sec
,
621 const Elf_Internal_Rela
*rela
,
622 struct elf32_hppa_link_hash_entry
*hh
,
624 struct bfd_link_info
*info
)
627 bfd_vma branch_offset
;
628 bfd_vma max_branch_offset
;
632 && hh
->eh
.plt
.offset
!= (bfd_vma
) -1
633 && hh
->eh
.dynindx
!= -1
636 || !hh
->eh
.def_regular
637 || hh
->eh
.root
.type
== bfd_link_hash_defweak
))
639 /* We need an import stub. Decide between hppa_stub_import
640 and hppa_stub_import_shared later. */
641 return hppa_stub_import
;
644 /* Determine where the call point is. */
645 location
= (input_sec
->output_offset
646 + input_sec
->output_section
->vma
649 branch_offset
= destination
- location
- 8;
650 r_type
= ELF32_R_TYPE (rela
->r_info
);
652 /* Determine if a long branch stub is needed. parisc branch offsets
653 are relative to the second instruction past the branch, ie. +8
654 bytes on from the branch instruction location. The offset is
655 signed and counts in units of 4 bytes. */
656 if (r_type
== (unsigned int) R_PARISC_PCREL17F
)
657 max_branch_offset
= (1 << (17 - 1)) << 2;
659 else if (r_type
== (unsigned int) R_PARISC_PCREL12F
)
660 max_branch_offset
= (1 << (12 - 1)) << 2;
662 else /* R_PARISC_PCREL22F. */
663 max_branch_offset
= (1 << (22 - 1)) << 2;
665 if (branch_offset
+ max_branch_offset
>= 2*max_branch_offset
)
666 return hppa_stub_long_branch
;
668 return hppa_stub_none
;
671 /* Build one linker stub as defined by the stub hash table entry GEN_ENTRY.
672 IN_ARG contains the link info pointer. */
674 #define LDIL_R1 0x20200000 /* ldil LR'XXX,%r1 */
675 #define BE_SR4_R1 0xe0202002 /* be,n RR'XXX(%sr4,%r1) */
677 #define BL_R1 0xe8200000 /* b,l .+8,%r1 */
678 #define ADDIL_R1 0x28200000 /* addil LR'XXX,%r1,%r1 */
679 #define DEPI_R1 0xd4201c1e /* depi 0,31,2,%r1 */
681 #define ADDIL_DP 0x2b600000 /* addil LR'XXX,%dp,%r1 */
682 #define LDW_R1_R21 0x48350000 /* ldw RR'XXX(%sr0,%r1),%r21 */
683 #define BV_R0_R21 0xeaa0c000 /* bv %r0(%r21) */
684 #define LDW_R1_R19 0x48330000 /* ldw RR'XXX(%sr0,%r1),%r19 */
686 #define ADDIL_R19 0x2a600000 /* addil LR'XXX,%r19,%r1 */
687 #define LDW_R1_DP 0x483b0000 /* ldw RR'XXX(%sr0,%r1),%dp */
689 #define LDSID_R21_R1 0x02a010a1 /* ldsid (%sr0,%r21),%r1 */
690 #define MTSP_R1 0x00011820 /* mtsp %r1,%sr0 */
691 #define BE_SR0_R21 0xe2a00000 /* be 0(%sr0,%r21) */
692 #define STW_RP 0x6bc23fd1 /* stw %rp,-24(%sr0,%sp) */
694 #define BL22_RP 0xe800a002 /* b,l,n XXX,%rp */
695 #define BL_RP 0xe8400002 /* b,l,n XXX,%rp */
696 #define NOP 0x08000240 /* nop */
697 #define LDW_RP 0x4bc23fd1 /* ldw -24(%sr0,%sp),%rp */
698 #define LDSID_RP_R1 0x004010a1 /* ldsid (%sr0,%rp),%r1 */
699 #define BE_SR0_RP 0xe0400002 /* be,n 0(%sr0,%rp) */
706 #define LDW_R1_DLT LDW_R1_R19
708 #define LDW_R1_DLT LDW_R1_DP
712 hppa_build_one_stub (struct bfd_hash_entry
*bh
, void *in_arg
)
714 struct elf32_hppa_stub_hash_entry
*hsh
;
715 struct bfd_link_info
*info
;
716 struct elf32_hppa_link_hash_table
*htab
;
726 /* Massage our args to the form they really have. */
727 hsh
= hppa_stub_hash_entry (bh
);
728 info
= (struct bfd_link_info
*)in_arg
;
730 htab
= hppa_link_hash_table (info
);
731 stub_sec
= hsh
->stub_sec
;
733 /* Make a note of the offset within the stubs for this entry. */
734 hsh
->stub_offset
= stub_sec
->size
;
735 loc
= stub_sec
->contents
+ hsh
->stub_offset
;
737 stub_bfd
= stub_sec
->owner
;
739 switch (hsh
->stub_type
)
741 case hppa_stub_long_branch
:
742 /* Create the long branch. A long branch is formed with "ldil"
743 loading the upper bits of the target address into a register,
744 then branching with "be" which adds in the lower bits.
745 The "be" has its delay slot nullified. */
746 sym_value
= (hsh
->target_value
747 + hsh
->target_section
->output_offset
748 + hsh
->target_section
->output_section
->vma
);
750 val
= hppa_field_adjust (sym_value
, 0, e_lrsel
);
751 insn
= hppa_rebuild_insn ((int) LDIL_R1
, val
, 21);
752 bfd_put_32 (stub_bfd
, insn
, loc
);
754 val
= hppa_field_adjust (sym_value
, 0, e_rrsel
) >> 2;
755 insn
= hppa_rebuild_insn ((int) BE_SR4_R1
, val
, 17);
756 bfd_put_32 (stub_bfd
, insn
, loc
+ 4);
761 case hppa_stub_long_branch_shared
:
762 /* Branches are relative. This is where we are going to. */
763 sym_value
= (hsh
->target_value
764 + hsh
->target_section
->output_offset
765 + hsh
->target_section
->output_section
->vma
);
767 /* And this is where we are coming from, more or less. */
768 sym_value
-= (hsh
->stub_offset
769 + stub_sec
->output_offset
770 + stub_sec
->output_section
->vma
);
772 bfd_put_32 (stub_bfd
, (bfd_vma
) BL_R1
, loc
);
773 val
= hppa_field_adjust (sym_value
, (bfd_signed_vma
) -8, e_lrsel
);
774 insn
= hppa_rebuild_insn ((int) ADDIL_R1
, val
, 21);
775 bfd_put_32 (stub_bfd
, insn
, loc
+ 4);
777 val
= hppa_field_adjust (sym_value
, (bfd_signed_vma
) -8, e_rrsel
) >> 2;
778 insn
= hppa_rebuild_insn ((int) BE_SR4_R1
, val
, 17);
779 bfd_put_32 (stub_bfd
, insn
, loc
+ 8);
783 case hppa_stub_import
:
784 case hppa_stub_import_shared
:
785 off
= hsh
->hh
->eh
.plt
.offset
;
786 if (off
>= (bfd_vma
) -2)
789 off
&= ~ (bfd_vma
) 1;
791 + htab
->splt
->output_offset
792 + htab
->splt
->output_section
->vma
793 - elf_gp (htab
->splt
->output_section
->owner
));
797 if (hsh
->stub_type
== hppa_stub_import_shared
)
800 val
= hppa_field_adjust (sym_value
, 0, e_lrsel
),
801 insn
= hppa_rebuild_insn ((int) insn
, val
, 21);
802 bfd_put_32 (stub_bfd
, insn
, loc
);
804 /* It is critical to use lrsel/rrsel here because we are using
805 two different offsets (+0 and +4) from sym_value. If we use
806 lsel/rsel then with unfortunate sym_values we will round
807 sym_value+4 up to the next 2k block leading to a mis-match
808 between the lsel and rsel value. */
809 val
= hppa_field_adjust (sym_value
, 0, e_rrsel
);
810 insn
= hppa_rebuild_insn ((int) LDW_R1_R21
, val
, 14);
811 bfd_put_32 (stub_bfd
, insn
, loc
+ 4);
813 if (htab
->multi_subspace
)
815 val
= hppa_field_adjust (sym_value
, (bfd_signed_vma
) 4, e_rrsel
);
816 insn
= hppa_rebuild_insn ((int) LDW_R1_DLT
, val
, 14);
817 bfd_put_32 (stub_bfd
, insn
, loc
+ 8);
819 bfd_put_32 (stub_bfd
, (bfd_vma
) LDSID_R21_R1
, loc
+ 12);
820 bfd_put_32 (stub_bfd
, (bfd_vma
) MTSP_R1
, loc
+ 16);
821 bfd_put_32 (stub_bfd
, (bfd_vma
) BE_SR0_R21
, loc
+ 20);
822 bfd_put_32 (stub_bfd
, (bfd_vma
) STW_RP
, loc
+ 24);
828 bfd_put_32 (stub_bfd
, (bfd_vma
) BV_R0_R21
, loc
+ 8);
829 val
= hppa_field_adjust (sym_value
, (bfd_signed_vma
) 4, e_rrsel
);
830 insn
= hppa_rebuild_insn ((int) LDW_R1_DLT
, val
, 14);
831 bfd_put_32 (stub_bfd
, insn
, loc
+ 12);
838 case hppa_stub_export
:
839 /* Branches are relative. This is where we are going to. */
840 sym_value
= (hsh
->target_value
841 + hsh
->target_section
->output_offset
842 + hsh
->target_section
->output_section
->vma
);
844 /* And this is where we are coming from. */
845 sym_value
-= (hsh
->stub_offset
846 + stub_sec
->output_offset
847 + stub_sec
->output_section
->vma
);
849 if (sym_value
- 8 + (1 << (17 + 1)) >= (1 << (17 + 2))
850 && (!htab
->has_22bit_branch
851 || sym_value
- 8 + (1 << (22 + 1)) >= (1 << (22 + 2))))
853 (*_bfd_error_handler
)
854 (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
855 hsh
->target_section
->owner
,
857 (long) hsh
->stub_offset
,
858 hsh
->bh_root
.string
);
859 bfd_set_error (bfd_error_bad_value
);
863 val
= hppa_field_adjust (sym_value
, (bfd_signed_vma
) -8, e_fsel
) >> 2;
864 if (!htab
->has_22bit_branch
)
865 insn
= hppa_rebuild_insn ((int) BL_RP
, val
, 17);
867 insn
= hppa_rebuild_insn ((int) BL22_RP
, val
, 22);
868 bfd_put_32 (stub_bfd
, insn
, loc
);
870 bfd_put_32 (stub_bfd
, (bfd_vma
) NOP
, loc
+ 4);
871 bfd_put_32 (stub_bfd
, (bfd_vma
) LDW_RP
, loc
+ 8);
872 bfd_put_32 (stub_bfd
, (bfd_vma
) LDSID_RP_R1
, loc
+ 12);
873 bfd_put_32 (stub_bfd
, (bfd_vma
) MTSP_R1
, loc
+ 16);
874 bfd_put_32 (stub_bfd
, (bfd_vma
) BE_SR0_RP
, loc
+ 20);
876 /* Point the function symbol at the stub. */
877 hsh
->hh
->eh
.root
.u
.def
.section
= stub_sec
;
878 hsh
->hh
->eh
.root
.u
.def
.value
= stub_sec
->size
;
888 stub_sec
->size
+= size
;
913 /* As above, but don't actually build the stub. Just bump offset so
914 we know stub section sizes. */
917 hppa_size_one_stub (struct bfd_hash_entry
*bh
, void *in_arg
)
919 struct elf32_hppa_stub_hash_entry
*hsh
;
920 struct elf32_hppa_link_hash_table
*htab
;
923 /* Massage our args to the form they really have. */
924 hsh
= hppa_stub_hash_entry (bh
);
927 if (hsh
->stub_type
== hppa_stub_long_branch
)
929 else if (hsh
->stub_type
== hppa_stub_long_branch_shared
)
931 else if (hsh
->stub_type
== hppa_stub_export
)
933 else /* hppa_stub_import or hppa_stub_import_shared. */
935 if (htab
->multi_subspace
)
941 hsh
->stub_sec
->size
+= size
;
945 /* Return nonzero if ABFD represents an HPPA ELF32 file.
946 Additionally we set the default architecture and machine. */
949 elf32_hppa_object_p (bfd
*abfd
)
951 Elf_Internal_Ehdr
* i_ehdrp
;
954 i_ehdrp
= elf_elfheader (abfd
);
955 if (strcmp (bfd_get_target (abfd
), "elf32-hppa-linux") == 0)
957 /* GCC on hppa-linux produces binaries with OSABI=Linux,
958 but the kernel produces corefiles with OSABI=SysV. */
959 if (i_ehdrp
->e_ident
[EI_OSABI
] != ELFOSABI_LINUX
&&
960 i_ehdrp
->e_ident
[EI_OSABI
] != ELFOSABI_NONE
) /* aka SYSV */
963 else if (strcmp (bfd_get_target (abfd
), "elf32-hppa-netbsd") == 0)
965 /* GCC on hppa-netbsd produces binaries with OSABI=NetBSD,
966 but the kernel produces corefiles with OSABI=SysV. */
967 if (i_ehdrp
->e_ident
[EI_OSABI
] != ELFOSABI_NETBSD
&&
968 i_ehdrp
->e_ident
[EI_OSABI
] != ELFOSABI_NONE
) /* aka SYSV */
973 if (i_ehdrp
->e_ident
[EI_OSABI
] != ELFOSABI_HPUX
)
977 flags
= i_ehdrp
->e_flags
;
978 switch (flags
& (EF_PARISC_ARCH
| EF_PARISC_WIDE
))
981 return bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 10);
983 return bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 11);
985 return bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 20);
986 case EFA_PARISC_2_0
| EF_PARISC_WIDE
:
987 return bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 25);
992 /* Create the .plt and .got sections, and set up our hash table
993 short-cuts to various dynamic sections. */
996 elf32_hppa_create_dynamic_sections (bfd
*abfd
, struct bfd_link_info
*info
)
998 struct elf32_hppa_link_hash_table
*htab
;
999 struct elf_link_hash_entry
*eh
;
1001 /* Don't try to create the .plt and .got twice. */
1002 htab
= hppa_link_hash_table (info
);
1003 if (htab
->splt
!= NULL
)
1006 /* Call the generic code to do most of the work. */
1007 if (! _bfd_elf_create_dynamic_sections (abfd
, info
))
1010 htab
->splt
= bfd_get_section_by_name (abfd
, ".plt");
1011 htab
->srelplt
= bfd_get_section_by_name (abfd
, ".rela.plt");
1013 htab
->sgot
= bfd_get_section_by_name (abfd
, ".got");
1014 htab
->srelgot
= bfd_make_section_with_flags (abfd
, ".rela.got",
1019 | SEC_LINKER_CREATED
1021 if (htab
->srelgot
== NULL
1022 || ! bfd_set_section_alignment (abfd
, htab
->srelgot
, 2))
1025 htab
->sdynbss
= bfd_get_section_by_name (abfd
, ".dynbss");
1026 htab
->srelbss
= bfd_get_section_by_name (abfd
, ".rela.bss");
1028 /* hppa-linux needs _GLOBAL_OFFSET_TABLE_ to be visible from the main
1029 application, because __canonicalize_funcptr_for_compare needs it. */
1030 eh
= elf_hash_table (info
)->hgot
;
1031 eh
->forced_local
= 0;
1032 eh
->other
= STV_DEFAULT
;
1033 return bfd_elf_link_record_dynamic_symbol (info
, eh
);
1036 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1039 elf32_hppa_copy_indirect_symbol (struct bfd_link_info
*info
,
1040 struct elf_link_hash_entry
*eh_dir
,
1041 struct elf_link_hash_entry
*eh_ind
)
1043 struct elf32_hppa_link_hash_entry
*hh_dir
, *hh_ind
;
1045 hh_dir
= hppa_elf_hash_entry (eh_dir
);
1046 hh_ind
= hppa_elf_hash_entry (eh_ind
);
1048 if (hh_ind
->dyn_relocs
!= NULL
)
1050 if (hh_dir
->dyn_relocs
!= NULL
)
1052 struct elf32_hppa_dyn_reloc_entry
**hdh_pp
;
1053 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
1055 /* Add reloc counts against the indirect sym to the direct sym
1056 list. Merge any entries against the same section. */
1057 for (hdh_pp
= &hh_ind
->dyn_relocs
; (hdh_p
= *hdh_pp
) != NULL
; )
1059 struct elf32_hppa_dyn_reloc_entry
*hdh_q
;
1061 for (hdh_q
= hh_dir
->dyn_relocs
;
1063 hdh_q
= hdh_q
->hdh_next
)
1064 if (hdh_q
->sec
== hdh_p
->sec
)
1066 #if RELATIVE_DYNRELOCS
1067 hdh_q
->relative_count
+= hdh_p
->relative_count
;
1069 hdh_q
->count
+= hdh_p
->count
;
1070 *hdh_pp
= hdh_p
->hdh_next
;
1074 hdh_pp
= &hdh_p
->hdh_next
;
1076 *hdh_pp
= hh_dir
->dyn_relocs
;
1079 hh_dir
->dyn_relocs
= hh_ind
->dyn_relocs
;
1080 hh_ind
->dyn_relocs
= NULL
;
1083 if (ELIMINATE_COPY_RELOCS
1084 && eh_ind
->root
.type
!= bfd_link_hash_indirect
1085 && eh_dir
->dynamic_adjusted
)
1087 /* If called to transfer flags for a weakdef during processing
1088 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
1089 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
1090 eh_dir
->ref_dynamic
|= eh_ind
->ref_dynamic
;
1091 eh_dir
->ref_regular
|= eh_ind
->ref_regular
;
1092 eh_dir
->ref_regular_nonweak
|= eh_ind
->ref_regular_nonweak
;
1093 eh_dir
->needs_plt
|= eh_ind
->needs_plt
;
1097 if (eh_ind
->root
.type
== bfd_link_hash_indirect
1098 && eh_dir
->got
.refcount
<= 0)
1100 hh_dir
->tls_type
= hh_ind
->tls_type
;
1101 hh_ind
->tls_type
= GOT_UNKNOWN
;
1104 _bfd_elf_link_hash_copy_indirect (info
, eh_dir
, eh_ind
);
1109 elf32_hppa_optimized_tls_reloc (struct bfd_link_info
*info ATTRIBUTE_UNUSED
,
1110 int r_type
, int is_local ATTRIBUTE_UNUSED
)
1112 /* For now we don't support linker optimizations. */
1116 /* Return a pointer to the local GOT, PLT and TLS reference counts
1117 for ABFD. Returns NULL if the storage allocation fails. */
1119 static bfd_signed_vma
*
1120 hppa32_elf_local_refcounts (bfd
*abfd
)
1122 Elf_Internal_Shdr
*symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
1123 bfd_signed_vma
*local_refcounts
;
1125 local_refcounts
= elf_local_got_refcounts (abfd
);
1126 if (local_refcounts
== NULL
)
1130 /* Allocate space for local GOT and PLT reference
1131 counts. Done this way to save polluting elf_obj_tdata
1132 with another target specific pointer. */
1133 size
= symtab_hdr
->sh_info
;
1134 size
*= 2 * sizeof (bfd_signed_vma
);
1135 /* Add in space to store the local GOT TLS types. */
1136 size
+= symtab_hdr
->sh_info
;
1137 local_refcounts
= bfd_zalloc (abfd
, size
);
1138 if (local_refcounts
== NULL
)
1140 elf_local_got_refcounts (abfd
) = local_refcounts
;
1141 memset (hppa_elf_local_got_tls_type (abfd
), GOT_UNKNOWN
,
1142 symtab_hdr
->sh_info
);
1144 return local_refcounts
;
1148 /* Look through the relocs for a section during the first phase, and
1149 calculate needed space in the global offset table, procedure linkage
1150 table, and dynamic reloc sections. At this point we haven't
1151 necessarily read all the input files. */
1154 elf32_hppa_check_relocs (bfd
*abfd
,
1155 struct bfd_link_info
*info
,
1157 const Elf_Internal_Rela
*relocs
)
1159 Elf_Internal_Shdr
*symtab_hdr
;
1160 struct elf_link_hash_entry
**eh_syms
;
1161 const Elf_Internal_Rela
*rela
;
1162 const Elf_Internal_Rela
*rela_end
;
1163 struct elf32_hppa_link_hash_table
*htab
;
1165 asection
*stubreloc
;
1166 int tls_type
= GOT_UNKNOWN
, old_tls_type
= GOT_UNKNOWN
;
1168 if (info
->relocatable
)
1171 htab
= hppa_link_hash_table (info
);
1172 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
1173 eh_syms
= elf_sym_hashes (abfd
);
1177 rela_end
= relocs
+ sec
->reloc_count
;
1178 for (rela
= relocs
; rela
< rela_end
; rela
++)
1187 unsigned int r_symndx
, r_type
;
1188 struct elf32_hppa_link_hash_entry
*hh
;
1191 r_symndx
= ELF32_R_SYM (rela
->r_info
);
1193 if (r_symndx
< symtab_hdr
->sh_info
)
1197 hh
= hppa_elf_hash_entry (eh_syms
[r_symndx
- symtab_hdr
->sh_info
]);
1198 while (hh
->eh
.root
.type
== bfd_link_hash_indirect
1199 || hh
->eh
.root
.type
== bfd_link_hash_warning
)
1200 hh
= hppa_elf_hash_entry (hh
->eh
.root
.u
.i
.link
);
1203 r_type
= ELF32_R_TYPE (rela
->r_info
);
1204 r_type
= elf32_hppa_optimized_tls_reloc (info
, r_type
, hh
== NULL
);
1208 case R_PARISC_DLTIND14F
:
1209 case R_PARISC_DLTIND14R
:
1210 case R_PARISC_DLTIND21L
:
1211 /* This symbol requires a global offset table entry. */
1212 need_entry
= NEED_GOT
;
1215 case R_PARISC_PLABEL14R
: /* "Official" procedure labels. */
1216 case R_PARISC_PLABEL21L
:
1217 case R_PARISC_PLABEL32
:
1218 /* If the addend is non-zero, we break badly. */
1219 if (rela
->r_addend
!= 0)
1222 /* If we are creating a shared library, then we need to
1223 create a PLT entry for all PLABELs, because PLABELs with
1224 local symbols may be passed via a pointer to another
1225 object. Additionally, output a dynamic relocation
1226 pointing to the PLT entry.
1228 For executables, the original 32-bit ABI allowed two
1229 different styles of PLABELs (function pointers): For
1230 global functions, the PLABEL word points into the .plt
1231 two bytes past a (function address, gp) pair, and for
1232 local functions the PLABEL points directly at the
1233 function. The magic +2 for the first type allows us to
1234 differentiate between the two. As you can imagine, this
1235 is a real pain when it comes to generating code to call
1236 functions indirectly or to compare function pointers.
1237 We avoid the mess by always pointing a PLABEL into the
1238 .plt, even for local functions. */
1239 need_entry
= PLT_PLABEL
| NEED_PLT
| NEED_DYNREL
;
1242 case R_PARISC_PCREL12F
:
1243 htab
->has_12bit_branch
= 1;
1246 case R_PARISC_PCREL17C
:
1247 case R_PARISC_PCREL17F
:
1248 htab
->has_17bit_branch
= 1;
1251 case R_PARISC_PCREL22F
:
1252 htab
->has_22bit_branch
= 1;
1254 /* Function calls might need to go through the .plt, and
1255 might require long branch stubs. */
1258 /* We know local syms won't need a .plt entry, and if
1259 they need a long branch stub we can't guarantee that
1260 we can reach the stub. So just flag an error later
1261 if we're doing a shared link and find we need a long
1267 /* Global symbols will need a .plt entry if they remain
1268 global, and in most cases won't need a long branch
1269 stub. Unfortunately, we have to cater for the case
1270 where a symbol is forced local by versioning, or due
1271 to symbolic linking, and we lose the .plt entry. */
1272 need_entry
= NEED_PLT
;
1273 if (hh
->eh
.type
== STT_PARISC_MILLI
)
1278 case R_PARISC_SEGBASE
: /* Used to set segment base. */
1279 case R_PARISC_SEGREL32
: /* Relative reloc, used for unwind. */
1280 case R_PARISC_PCREL14F
: /* PC relative load/store. */
1281 case R_PARISC_PCREL14R
:
1282 case R_PARISC_PCREL17R
: /* External branches. */
1283 case R_PARISC_PCREL21L
: /* As above, and for load/store too. */
1284 case R_PARISC_PCREL32
:
1285 /* We don't need to propagate the relocation if linking a
1286 shared object since these are section relative. */
1289 case R_PARISC_DPREL14F
: /* Used for gp rel data load/store. */
1290 case R_PARISC_DPREL14R
:
1291 case R_PARISC_DPREL21L
:
1294 (*_bfd_error_handler
)
1295 (_("%B: relocation %s can not be used when making a shared object; recompile with -fPIC"),
1297 elf_hppa_howto_table
[r_type
].name
);
1298 bfd_set_error (bfd_error_bad_value
);
1303 case R_PARISC_DIR17F
: /* Used for external branches. */
1304 case R_PARISC_DIR17R
:
1305 case R_PARISC_DIR14F
: /* Used for load/store from absolute locn. */
1306 case R_PARISC_DIR14R
:
1307 case R_PARISC_DIR21L
: /* As above, and for ext branches too. */
1308 case R_PARISC_DIR32
: /* .word relocs. */
1309 /* We may want to output a dynamic relocation later. */
1310 need_entry
= NEED_DYNREL
;
1313 /* This relocation describes the C++ object vtable hierarchy.
1314 Reconstruct it for later use during GC. */
1315 case R_PARISC_GNU_VTINHERIT
:
1316 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, &hh
->eh
, rela
->r_offset
))
1320 /* This relocation describes which C++ vtable entries are actually
1321 used. Record for later use during GC. */
1322 case R_PARISC_GNU_VTENTRY
:
1323 BFD_ASSERT (hh
!= NULL
);
1325 && !bfd_elf_gc_record_vtentry (abfd
, sec
, &hh
->eh
, rela
->r_addend
))
1329 case R_PARISC_TLS_GD21L
:
1330 case R_PARISC_TLS_GD14R
:
1331 case R_PARISC_TLS_LDM21L
:
1332 case R_PARISC_TLS_LDM14R
:
1333 need_entry
= NEED_GOT
;
1336 case R_PARISC_TLS_IE21L
:
1337 case R_PARISC_TLS_IE14R
:
1339 info
->flags
|= DF_STATIC_TLS
;
1340 need_entry
= NEED_GOT
;
1347 /* Now carry out our orders. */
1348 if (need_entry
& NEED_GOT
)
1353 tls_type
= GOT_NORMAL
;
1355 case R_PARISC_TLS_GD21L
:
1356 case R_PARISC_TLS_GD14R
:
1357 tls_type
|= GOT_TLS_GD
;
1359 case R_PARISC_TLS_LDM21L
:
1360 case R_PARISC_TLS_LDM14R
:
1361 tls_type
|= GOT_TLS_LDM
;
1363 case R_PARISC_TLS_IE21L
:
1364 case R_PARISC_TLS_IE14R
:
1365 tls_type
|= GOT_TLS_IE
;
1369 /* Allocate space for a GOT entry, as well as a dynamic
1370 relocation for this entry. */
1371 if (htab
->sgot
== NULL
)
1373 if (htab
->etab
.dynobj
== NULL
)
1374 htab
->etab
.dynobj
= abfd
;
1375 if (!elf32_hppa_create_dynamic_sections (htab
->etab
.dynobj
, info
))
1379 if (r_type
== R_PARISC_TLS_LDM21L
1380 || r_type
== R_PARISC_TLS_LDM14R
)
1381 hppa_link_hash_table (info
)->tls_ldm_got
.refcount
+= 1;
1386 hh
->eh
.got
.refcount
+= 1;
1387 old_tls_type
= hh
->tls_type
;
1391 bfd_signed_vma
*local_got_refcounts
;
1393 /* This is a global offset table entry for a local symbol. */
1394 local_got_refcounts
= hppa32_elf_local_refcounts (abfd
);
1395 if (local_got_refcounts
== NULL
)
1397 local_got_refcounts
[r_symndx
] += 1;
1399 old_tls_type
= hppa_elf_local_got_tls_type (abfd
) [r_symndx
];
1402 tls_type
|= old_tls_type
;
1404 if (old_tls_type
!= tls_type
)
1407 hh
->tls_type
= tls_type
;
1409 hppa_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1415 if (need_entry
& NEED_PLT
)
1417 /* If we are creating a shared library, and this is a reloc
1418 against a weak symbol or a global symbol in a dynamic
1419 object, then we will be creating an import stub and a
1420 .plt entry for the symbol. Similarly, on a normal link
1421 to symbols defined in a dynamic object we'll need the
1422 import stub and a .plt entry. We don't know yet whether
1423 the symbol is defined or not, so make an entry anyway and
1424 clean up later in adjust_dynamic_symbol. */
1425 if ((sec
->flags
& SEC_ALLOC
) != 0)
1429 hh
->eh
.needs_plt
= 1;
1430 hh
->eh
.plt
.refcount
+= 1;
1432 /* If this .plt entry is for a plabel, mark it so
1433 that adjust_dynamic_symbol will keep the entry
1434 even if it appears to be local. */
1435 if (need_entry
& PLT_PLABEL
)
1438 else if (need_entry
& PLT_PLABEL
)
1440 bfd_signed_vma
*local_got_refcounts
;
1441 bfd_signed_vma
*local_plt_refcounts
;
1443 local_got_refcounts
= hppa32_elf_local_refcounts (abfd
);
1444 if (local_got_refcounts
== NULL
)
1446 local_plt_refcounts
= (local_got_refcounts
1447 + symtab_hdr
->sh_info
);
1448 local_plt_refcounts
[r_symndx
] += 1;
1453 if (need_entry
& NEED_DYNREL
)
1455 /* Flag this symbol as having a non-got, non-plt reference
1456 so that we generate copy relocs if it turns out to be
1458 if (hh
!= NULL
&& !info
->shared
)
1459 hh
->eh
.non_got_ref
= 1;
1461 /* If we are creating a shared library then we need to copy
1462 the reloc into the shared library. However, if we are
1463 linking with -Bsymbolic, we need only copy absolute
1464 relocs or relocs against symbols that are not defined in
1465 an object we are including in the link. PC- or DP- or
1466 DLT-relative relocs against any local sym or global sym
1467 with DEF_REGULAR set, can be discarded. At this point we
1468 have not seen all the input files, so it is possible that
1469 DEF_REGULAR is not set now but will be set later (it is
1470 never cleared). We account for that possibility below by
1471 storing information in the dyn_relocs field of the
1474 A similar situation to the -Bsymbolic case occurs when
1475 creating shared libraries and symbol visibility changes
1476 render the symbol local.
1478 As it turns out, all the relocs we will be creating here
1479 are absolute, so we cannot remove them on -Bsymbolic
1480 links or visibility changes anyway. A STUB_REL reloc
1481 is absolute too, as in that case it is the reloc in the
1482 stub we will be creating, rather than copying the PCREL
1483 reloc in the branch.
1485 If on the other hand, we are creating an executable, we
1486 may need to keep relocations for symbols satisfied by a
1487 dynamic library if we manage to avoid copy relocs for the
1490 && (sec
->flags
& SEC_ALLOC
) != 0
1491 && (IS_ABSOLUTE_RELOC (r_type
)
1494 || hh
->eh
.root
.type
== bfd_link_hash_defweak
1495 || !hh
->eh
.def_regular
))))
1496 || (ELIMINATE_COPY_RELOCS
1498 && (sec
->flags
& SEC_ALLOC
) != 0
1500 && (hh
->eh
.root
.type
== bfd_link_hash_defweak
1501 || !hh
->eh
.def_regular
)))
1503 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
1504 struct elf32_hppa_dyn_reloc_entry
**hdh_head
;
1506 /* Create a reloc section in dynobj and make room for
1510 if (htab
->etab
.dynobj
== NULL
)
1511 htab
->etab
.dynobj
= abfd
;
1513 sreloc
= _bfd_elf_make_dynamic_reloc_section
1514 (sec
, htab
->etab
.dynobj
, 2, abfd
, /*rela?*/ TRUE
);
1518 bfd_set_error (bfd_error_bad_value
);
1523 /* If this is a global symbol, we count the number of
1524 relocations we need for this symbol. */
1527 hdh_head
= &hh
->dyn_relocs
;
1531 /* Track dynamic relocs needed for local syms too.
1532 We really need local syms available to do this
1538 sr
= bfd_section_from_r_symndx (abfd
, &htab
->sym_sec
,
1543 vpp
= &elf_section_data (sr
)->local_dynrel
;
1544 hdh_head
= (struct elf32_hppa_dyn_reloc_entry
**) vpp
;
1548 if (hdh_p
== NULL
|| hdh_p
->sec
!= sec
)
1550 hdh_p
= bfd_alloc (htab
->etab
.dynobj
, sizeof *hdh_p
);
1553 hdh_p
->hdh_next
= *hdh_head
;
1557 #if RELATIVE_DYNRELOCS
1558 hdh_p
->relative_count
= 0;
1563 #if RELATIVE_DYNRELOCS
1564 if (!IS_ABSOLUTE_RELOC (rtype
))
1565 hdh_p
->relative_count
+= 1;
1574 /* Return the section that should be marked against garbage collection
1575 for a given relocation. */
1578 elf32_hppa_gc_mark_hook (asection
*sec
,
1579 struct bfd_link_info
*info
,
1580 Elf_Internal_Rela
*rela
,
1581 struct elf_link_hash_entry
*hh
,
1582 Elf_Internal_Sym
*sym
)
1585 switch ((unsigned int) ELF32_R_TYPE (rela
->r_info
))
1587 case R_PARISC_GNU_VTINHERIT
:
1588 case R_PARISC_GNU_VTENTRY
:
1592 return _bfd_elf_gc_mark_hook (sec
, info
, rela
, hh
, sym
);
1595 /* Update the got and plt entry reference counts for the section being
1599 elf32_hppa_gc_sweep_hook (bfd
*abfd
,
1600 struct bfd_link_info
*info ATTRIBUTE_UNUSED
,
1602 const Elf_Internal_Rela
*relocs
)
1604 Elf_Internal_Shdr
*symtab_hdr
;
1605 struct elf_link_hash_entry
**eh_syms
;
1606 bfd_signed_vma
*local_got_refcounts
;
1607 bfd_signed_vma
*local_plt_refcounts
;
1608 const Elf_Internal_Rela
*rela
, *relend
;
1610 if (info
->relocatable
)
1613 elf_section_data (sec
)->local_dynrel
= NULL
;
1615 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
1616 eh_syms
= elf_sym_hashes (abfd
);
1617 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1618 local_plt_refcounts
= local_got_refcounts
;
1619 if (local_plt_refcounts
!= NULL
)
1620 local_plt_refcounts
+= symtab_hdr
->sh_info
;
1622 relend
= relocs
+ sec
->reloc_count
;
1623 for (rela
= relocs
; rela
< relend
; rela
++)
1625 unsigned long r_symndx
;
1626 unsigned int r_type
;
1627 struct elf_link_hash_entry
*eh
= NULL
;
1629 r_symndx
= ELF32_R_SYM (rela
->r_info
);
1630 if (r_symndx
>= symtab_hdr
->sh_info
)
1632 struct elf32_hppa_link_hash_entry
*hh
;
1633 struct elf32_hppa_dyn_reloc_entry
**hdh_pp
;
1634 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
1636 eh
= eh_syms
[r_symndx
- symtab_hdr
->sh_info
];
1637 while (eh
->root
.type
== bfd_link_hash_indirect
1638 || eh
->root
.type
== bfd_link_hash_warning
)
1639 eh
= (struct elf_link_hash_entry
*) eh
->root
.u
.i
.link
;
1640 hh
= hppa_elf_hash_entry (eh
);
1642 for (hdh_pp
= &hh
->dyn_relocs
; (hdh_p
= *hdh_pp
) != NULL
; hdh_pp
= &hdh_p
->hdh_next
)
1643 if (hdh_p
->sec
== sec
)
1645 /* Everything must go for SEC. */
1646 *hdh_pp
= hdh_p
->hdh_next
;
1651 r_type
= ELF32_R_TYPE (rela
->r_info
);
1652 r_type
= elf32_hppa_optimized_tls_reloc (info
, r_type
, eh
!= NULL
);
1656 case R_PARISC_DLTIND14F
:
1657 case R_PARISC_DLTIND14R
:
1658 case R_PARISC_DLTIND21L
:
1659 case R_PARISC_TLS_GD21L
:
1660 case R_PARISC_TLS_GD14R
:
1661 case R_PARISC_TLS_IE21L
:
1662 case R_PARISC_TLS_IE14R
:
1665 if (eh
->got
.refcount
> 0)
1666 eh
->got
.refcount
-= 1;
1668 else if (local_got_refcounts
!= NULL
)
1670 if (local_got_refcounts
[r_symndx
] > 0)
1671 local_got_refcounts
[r_symndx
] -= 1;
1675 case R_PARISC_TLS_LDM21L
:
1676 case R_PARISC_TLS_LDM14R
:
1677 hppa_link_hash_table (info
)->tls_ldm_got
.refcount
-= 1;
1680 case R_PARISC_PCREL12F
:
1681 case R_PARISC_PCREL17C
:
1682 case R_PARISC_PCREL17F
:
1683 case R_PARISC_PCREL22F
:
1686 if (eh
->plt
.refcount
> 0)
1687 eh
->plt
.refcount
-= 1;
1691 case R_PARISC_PLABEL14R
:
1692 case R_PARISC_PLABEL21L
:
1693 case R_PARISC_PLABEL32
:
1696 if (eh
->plt
.refcount
> 0)
1697 eh
->plt
.refcount
-= 1;
1699 else if (local_plt_refcounts
!= NULL
)
1701 if (local_plt_refcounts
[r_symndx
] > 0)
1702 local_plt_refcounts
[r_symndx
] -= 1;
1714 /* Support for core dump NOTE sections. */
1717 elf32_hppa_grok_prstatus (bfd
*abfd
, Elf_Internal_Note
*note
)
1722 switch (note
->descsz
)
1727 case 396: /* Linux/hppa */
1729 elf_tdata (abfd
)->core_signal
= bfd_get_16 (abfd
, note
->descdata
+ 12);
1732 elf_tdata (abfd
)->core_pid
= bfd_get_32 (abfd
, note
->descdata
+ 24);
1741 /* Make a ".reg/999" section. */
1742 return _bfd_elfcore_make_pseudosection (abfd
, ".reg",
1743 size
, note
->descpos
+ offset
);
1747 elf32_hppa_grok_psinfo (bfd
*abfd
, Elf_Internal_Note
*note
)
1749 switch (note
->descsz
)
1754 case 124: /* Linux/hppa elf_prpsinfo. */
1755 elf_tdata (abfd
)->core_program
1756 = _bfd_elfcore_strndup (abfd
, note
->descdata
+ 28, 16);
1757 elf_tdata (abfd
)->core_command
1758 = _bfd_elfcore_strndup (abfd
, note
->descdata
+ 44, 80);
1761 /* Note that for some reason, a spurious space is tacked
1762 onto the end of the args in some (at least one anyway)
1763 implementations, so strip it off if it exists. */
1765 char *command
= elf_tdata (abfd
)->core_command
;
1766 int n
= strlen (command
);
1768 if (0 < n
&& command
[n
- 1] == ' ')
1769 command
[n
- 1] = '\0';
1775 /* Our own version of hide_symbol, so that we can keep plt entries for
1779 elf32_hppa_hide_symbol (struct bfd_link_info
*info
,
1780 struct elf_link_hash_entry
*eh
,
1781 bfd_boolean force_local
)
1785 eh
->forced_local
= 1;
1786 if (eh
->dynindx
!= -1)
1789 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1794 if (! hppa_elf_hash_entry (eh
)->plabel
)
1797 eh
->plt
= elf_hash_table (info
)->init_plt_refcount
;
1801 /* Adjust a symbol defined by a dynamic object and referenced by a
1802 regular object. The current definition is in some section of the
1803 dynamic object, but we're not including those sections. We have to
1804 change the definition to something the rest of the link can
1808 elf32_hppa_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1809 struct elf_link_hash_entry
*eh
)
1811 struct elf32_hppa_link_hash_table
*htab
;
1814 /* If this is a function, put it in the procedure linkage table. We
1815 will fill in the contents of the procedure linkage table later. */
1816 if (eh
->type
== STT_FUNC
1819 if (eh
->plt
.refcount
<= 0
1821 && eh
->root
.type
!= bfd_link_hash_defweak
1822 && ! hppa_elf_hash_entry (eh
)->plabel
1823 && (!info
->shared
|| info
->symbolic
)))
1825 /* The .plt entry is not needed when:
1826 a) Garbage collection has removed all references to the
1828 b) We know for certain the symbol is defined in this
1829 object, and it's not a weak definition, nor is the symbol
1830 used by a plabel relocation. Either this object is the
1831 application or we are doing a shared symbolic link. */
1833 eh
->plt
.offset
= (bfd_vma
) -1;
1840 eh
->plt
.offset
= (bfd_vma
) -1;
1842 /* If this is a weak symbol, and there is a real definition, the
1843 processor independent code will have arranged for us to see the
1844 real definition first, and we can just use the same value. */
1845 if (eh
->u
.weakdef
!= NULL
)
1847 if (eh
->u
.weakdef
->root
.type
!= bfd_link_hash_defined
1848 && eh
->u
.weakdef
->root
.type
!= bfd_link_hash_defweak
)
1850 eh
->root
.u
.def
.section
= eh
->u
.weakdef
->root
.u
.def
.section
;
1851 eh
->root
.u
.def
.value
= eh
->u
.weakdef
->root
.u
.def
.value
;
1852 if (ELIMINATE_COPY_RELOCS
)
1853 eh
->non_got_ref
= eh
->u
.weakdef
->non_got_ref
;
1857 /* This is a reference to a symbol defined by a dynamic object which
1858 is not a function. */
1860 /* If we are creating a shared library, we must presume that the
1861 only references to the symbol are via the global offset table.
1862 For such cases we need not do anything here; the relocations will
1863 be handled correctly by relocate_section. */
1867 /* If there are no references to this symbol that do not use the
1868 GOT, we don't need to generate a copy reloc. */
1869 if (!eh
->non_got_ref
)
1872 if (ELIMINATE_COPY_RELOCS
)
1874 struct elf32_hppa_link_hash_entry
*hh
;
1875 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
1877 hh
= hppa_elf_hash_entry (eh
);
1878 for (hdh_p
= hh
->dyn_relocs
; hdh_p
!= NULL
; hdh_p
= hdh_p
->hdh_next
)
1880 sec
= hdh_p
->sec
->output_section
;
1881 if (sec
!= NULL
&& (sec
->flags
& SEC_READONLY
) != 0)
1885 /* If we didn't find any dynamic relocs in read-only sections, then
1886 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1889 eh
->non_got_ref
= 0;
1896 (*_bfd_error_handler
) (_("dynamic variable `%s' is zero size"),
1897 eh
->root
.root
.string
);
1901 /* We must allocate the symbol in our .dynbss section, which will
1902 become part of the .bss section of the executable. There will be
1903 an entry for this symbol in the .dynsym section. The dynamic
1904 object will contain position independent code, so all references
1905 from the dynamic object to this symbol will go through the global
1906 offset table. The dynamic linker will use the .dynsym entry to
1907 determine the address it must put in the global offset table, so
1908 both the dynamic object and the regular object will refer to the
1909 same memory location for the variable. */
1911 htab
= hppa_link_hash_table (info
);
1913 /* We must generate a COPY reloc to tell the dynamic linker to
1914 copy the initial value out of the dynamic object and into the
1915 runtime process image. */
1916 if ((eh
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0)
1918 htab
->srelbss
->size
+= sizeof (Elf32_External_Rela
);
1922 sec
= htab
->sdynbss
;
1924 return _bfd_elf_adjust_dynamic_copy (eh
, sec
);
1927 /* Allocate space in the .plt for entries that won't have relocations.
1928 ie. plabel entries. */
1931 allocate_plt_static (struct elf_link_hash_entry
*eh
, void *inf
)
1933 struct bfd_link_info
*info
;
1934 struct elf32_hppa_link_hash_table
*htab
;
1935 struct elf32_hppa_link_hash_entry
*hh
;
1938 if (eh
->root
.type
== bfd_link_hash_indirect
)
1941 if (eh
->root
.type
== bfd_link_hash_warning
)
1942 eh
= (struct elf_link_hash_entry
*) eh
->root
.u
.i
.link
;
1944 info
= (struct bfd_link_info
*) inf
;
1945 hh
= hppa_elf_hash_entry (eh
);
1946 htab
= hppa_link_hash_table (info
);
1947 if (htab
->etab
.dynamic_sections_created
1948 && eh
->plt
.refcount
> 0)
1950 /* Make sure this symbol is output as a dynamic symbol.
1951 Undefined weak syms won't yet be marked as dynamic. */
1952 if (eh
->dynindx
== -1
1953 && !eh
->forced_local
1954 && eh
->type
!= STT_PARISC_MILLI
)
1956 if (! bfd_elf_link_record_dynamic_symbol (info
, eh
))
1960 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info
->shared
, eh
))
1962 /* Allocate these later. From this point on, h->plabel
1963 means that the plt entry is only used by a plabel.
1964 We'll be using a normal plt entry for this symbol, so
1965 clear the plabel indicator. */
1969 else if (hh
->plabel
)
1971 /* Make an entry in the .plt section for plabel references
1972 that won't have a .plt entry for other reasons. */
1974 eh
->plt
.offset
= sec
->size
;
1975 sec
->size
+= PLT_ENTRY_SIZE
;
1979 /* No .plt entry needed. */
1980 eh
->plt
.offset
= (bfd_vma
) -1;
1986 eh
->plt
.offset
= (bfd_vma
) -1;
1993 /* Allocate space in .plt, .got and associated reloc sections for
1997 allocate_dynrelocs (struct elf_link_hash_entry
*eh
, void *inf
)
1999 struct bfd_link_info
*info
;
2000 struct elf32_hppa_link_hash_table
*htab
;
2002 struct elf32_hppa_link_hash_entry
*hh
;
2003 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
2005 if (eh
->root
.type
== bfd_link_hash_indirect
)
2008 if (eh
->root
.type
== bfd_link_hash_warning
)
2009 eh
= (struct elf_link_hash_entry
*) eh
->root
.u
.i
.link
;
2012 htab
= hppa_link_hash_table (info
);
2013 hh
= hppa_elf_hash_entry (eh
);
2015 if (htab
->etab
.dynamic_sections_created
2016 && eh
->plt
.offset
!= (bfd_vma
) -1
2018 && eh
->plt
.refcount
> 0)
2020 /* Make an entry in the .plt section. */
2022 eh
->plt
.offset
= sec
->size
;
2023 sec
->size
+= PLT_ENTRY_SIZE
;
2025 /* We also need to make an entry in the .rela.plt section. */
2026 htab
->srelplt
->size
+= sizeof (Elf32_External_Rela
);
2027 htab
->need_plt_stub
= 1;
2030 if (eh
->got
.refcount
> 0)
2032 /* Make sure this symbol is output as a dynamic symbol.
2033 Undefined weak syms won't yet be marked as dynamic. */
2034 if (eh
->dynindx
== -1
2035 && !eh
->forced_local
2036 && eh
->type
!= STT_PARISC_MILLI
)
2038 if (! bfd_elf_link_record_dynamic_symbol (info
, eh
))
2043 eh
->got
.offset
= sec
->size
;
2044 sec
->size
+= GOT_ENTRY_SIZE
;
2045 /* R_PARISC_TLS_GD* needs two GOT entries */
2046 if ((hh
->tls_type
& (GOT_TLS_GD
| GOT_TLS_IE
)) == (GOT_TLS_GD
| GOT_TLS_IE
))
2047 sec
->size
+= GOT_ENTRY_SIZE
* 2;
2048 else if ((hh
->tls_type
& GOT_TLS_GD
) == GOT_TLS_GD
)
2049 sec
->size
+= GOT_ENTRY_SIZE
;
2050 if (htab
->etab
.dynamic_sections_created
2052 || (eh
->dynindx
!= -1
2053 && !eh
->forced_local
)))
2055 htab
->srelgot
->size
+= sizeof (Elf32_External_Rela
);
2056 if ((hh
->tls_type
& (GOT_TLS_GD
| GOT_TLS_IE
)) == (GOT_TLS_GD
| GOT_TLS_IE
))
2057 htab
->srelgot
->size
+= 2 * sizeof (Elf32_External_Rela
);
2058 else if ((hh
->tls_type
& GOT_TLS_GD
) == GOT_TLS_GD
)
2059 htab
->srelgot
->size
+= sizeof (Elf32_External_Rela
);
2063 eh
->got
.offset
= (bfd_vma
) -1;
2065 if (hh
->dyn_relocs
== NULL
)
2068 /* If this is a -Bsymbolic shared link, then we need to discard all
2069 space allocated for dynamic pc-relative relocs against symbols
2070 defined in a regular object. For the normal shared case, discard
2071 space for relocs that have become local due to symbol visibility
2075 #if RELATIVE_DYNRELOCS
2076 if (SYMBOL_CALLS_LOCAL (info
, eh
))
2078 struct elf32_hppa_dyn_reloc_entry
**hdh_pp
;
2080 for (hdh_pp
= &hh
->dyn_relocs
; (hdh_p
= *hdh_pp
) != NULL
; )
2082 hdh_p
->count
-= hdh_p
->relative_count
;
2083 hdh_p
->relative_count
= 0;
2084 if (hdh_p
->count
== 0)
2085 *hdh_pp
= hdh_p
->hdh_next
;
2087 hdh_pp
= &hdh_p
->hdh_next
;
2092 /* Also discard relocs on undefined weak syms with non-default
2094 if (hh
->dyn_relocs
!= NULL
2095 && eh
->root
.type
== bfd_link_hash_undefweak
)
2097 if (ELF_ST_VISIBILITY (eh
->other
) != STV_DEFAULT
)
2098 hh
->dyn_relocs
= NULL
;
2100 /* Make sure undefined weak symbols are output as a dynamic
2102 else if (eh
->dynindx
== -1
2103 && !eh
->forced_local
)
2105 if (! bfd_elf_link_record_dynamic_symbol (info
, eh
))
2112 /* For the non-shared case, discard space for relocs against
2113 symbols which turn out to need copy relocs or are not
2116 if (!eh
->non_got_ref
2117 && ((ELIMINATE_COPY_RELOCS
2119 && !eh
->def_regular
)
2120 || (htab
->etab
.dynamic_sections_created
2121 && (eh
->root
.type
== bfd_link_hash_undefweak
2122 || eh
->root
.type
== bfd_link_hash_undefined
))))
2124 /* Make sure this symbol is output as a dynamic symbol.
2125 Undefined weak syms won't yet be marked as dynamic. */
2126 if (eh
->dynindx
== -1
2127 && !eh
->forced_local
2128 && eh
->type
!= STT_PARISC_MILLI
)
2130 if (! bfd_elf_link_record_dynamic_symbol (info
, eh
))
2134 /* If that succeeded, we know we'll be keeping all the
2136 if (eh
->dynindx
!= -1)
2140 hh
->dyn_relocs
= NULL
;
2146 /* Finally, allocate space. */
2147 for (hdh_p
= hh
->dyn_relocs
; hdh_p
!= NULL
; hdh_p
= hdh_p
->hdh_next
)
2149 asection
*sreloc
= elf_section_data (hdh_p
->sec
)->sreloc
;
2150 sreloc
->size
+= hdh_p
->count
* sizeof (Elf32_External_Rela
);
2156 /* This function is called via elf_link_hash_traverse to force
2157 millicode symbols local so they do not end up as globals in the
2158 dynamic symbol table. We ought to be able to do this in
2159 adjust_dynamic_symbol, but our adjust_dynamic_symbol is not called
2160 for all dynamic symbols. Arguably, this is a bug in
2161 elf_adjust_dynamic_symbol. */
2164 clobber_millicode_symbols (struct elf_link_hash_entry
*eh
,
2165 struct bfd_link_info
*info
)
2167 if (eh
->root
.type
== bfd_link_hash_warning
)
2168 eh
= (struct elf_link_hash_entry
*) eh
->root
.u
.i
.link
;
2170 if (eh
->type
== STT_PARISC_MILLI
2171 && !eh
->forced_local
)
2173 elf32_hppa_hide_symbol (info
, eh
, TRUE
);
2178 /* Find any dynamic relocs that apply to read-only sections. */
2181 readonly_dynrelocs (struct elf_link_hash_entry
*eh
, void *inf
)
2183 struct elf32_hppa_link_hash_entry
*hh
;
2184 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
2186 if (eh
->root
.type
== bfd_link_hash_warning
)
2187 eh
= (struct elf_link_hash_entry
*) eh
->root
.u
.i
.link
;
2189 hh
= hppa_elf_hash_entry (eh
);
2190 for (hdh_p
= hh
->dyn_relocs
; hdh_p
!= NULL
; hdh_p
= hdh_p
->hdh_next
)
2192 asection
*sec
= hdh_p
->sec
->output_section
;
2194 if (sec
!= NULL
&& (sec
->flags
& SEC_READONLY
) != 0)
2196 struct bfd_link_info
*info
= inf
;
2198 info
->flags
|= DF_TEXTREL
;
2200 /* Not an error, just cut short the traversal. */
2207 /* Set the sizes of the dynamic sections. */
2210 elf32_hppa_size_dynamic_sections (bfd
*output_bfd ATTRIBUTE_UNUSED
,
2211 struct bfd_link_info
*info
)
2213 struct elf32_hppa_link_hash_table
*htab
;
2219 htab
= hppa_link_hash_table (info
);
2220 dynobj
= htab
->etab
.dynobj
;
2224 if (htab
->etab
.dynamic_sections_created
)
2226 /* Set the contents of the .interp section to the interpreter. */
2227 if (info
->executable
)
2229 sec
= bfd_get_section_by_name (dynobj
, ".interp");
2232 sec
->size
= sizeof ELF_DYNAMIC_INTERPRETER
;
2233 sec
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
2236 /* Force millicode symbols local. */
2237 elf_link_hash_traverse (&htab
->etab
,
2238 clobber_millicode_symbols
,
2242 /* Set up .got and .plt offsets for local syms, and space for local
2244 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link_next
)
2246 bfd_signed_vma
*local_got
;
2247 bfd_signed_vma
*end_local_got
;
2248 bfd_signed_vma
*local_plt
;
2249 bfd_signed_vma
*end_local_plt
;
2250 bfd_size_type locsymcount
;
2251 Elf_Internal_Shdr
*symtab_hdr
;
2253 char *local_tls_type
;
2255 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
)
2258 for (sec
= ibfd
->sections
; sec
!= NULL
; sec
= sec
->next
)
2260 struct elf32_hppa_dyn_reloc_entry
*hdh_p
;
2262 for (hdh_p
= ((struct elf32_hppa_dyn_reloc_entry
*)
2263 elf_section_data (sec
)->local_dynrel
);
2265 hdh_p
= hdh_p
->hdh_next
)
2267 if (!bfd_is_abs_section (hdh_p
->sec
)
2268 && bfd_is_abs_section (hdh_p
->sec
->output_section
))
2270 /* Input section has been discarded, either because
2271 it is a copy of a linkonce section or due to
2272 linker script /DISCARD/, so we'll be discarding
2275 else if (hdh_p
->count
!= 0)
2277 srel
= elf_section_data (hdh_p
->sec
)->sreloc
;
2278 srel
->size
+= hdh_p
->count
* sizeof (Elf32_External_Rela
);
2279 if ((hdh_p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2280 info
->flags
|= DF_TEXTREL
;
2285 local_got
= elf_local_got_refcounts (ibfd
);
2289 symtab_hdr
= &elf_tdata (ibfd
)->symtab_hdr
;
2290 locsymcount
= symtab_hdr
->sh_info
;
2291 end_local_got
= local_got
+ locsymcount
;
2292 local_tls_type
= hppa_elf_local_got_tls_type (ibfd
);
2294 srel
= htab
->srelgot
;
2295 for (; local_got
< end_local_got
; ++local_got
)
2299 *local_got
= sec
->size
;
2300 sec
->size
+= GOT_ENTRY_SIZE
;
2301 if ((*local_tls_type
& (GOT_TLS_GD
| GOT_TLS_IE
)) == (GOT_TLS_GD
| GOT_TLS_IE
))
2302 sec
->size
+= 2 * GOT_ENTRY_SIZE
;
2303 else if ((*local_tls_type
& GOT_TLS_GD
) == GOT_TLS_GD
)
2304 sec
->size
+= GOT_ENTRY_SIZE
;
2307 srel
->size
+= sizeof (Elf32_External_Rela
);
2308 if ((*local_tls_type
& (GOT_TLS_GD
| GOT_TLS_IE
)) == (GOT_TLS_GD
| GOT_TLS_IE
))
2309 srel
->size
+= 2 * sizeof (Elf32_External_Rela
);
2310 else if ((*local_tls_type
& GOT_TLS_GD
) == GOT_TLS_GD
)
2311 srel
->size
+= sizeof (Elf32_External_Rela
);
2315 *local_got
= (bfd_vma
) -1;
2320 local_plt
= end_local_got
;
2321 end_local_plt
= local_plt
+ locsymcount
;
2322 if (! htab
->etab
.dynamic_sections_created
)
2324 /* Won't be used, but be safe. */
2325 for (; local_plt
< end_local_plt
; ++local_plt
)
2326 *local_plt
= (bfd_vma
) -1;
2331 srel
= htab
->srelplt
;
2332 for (; local_plt
< end_local_plt
; ++local_plt
)
2336 *local_plt
= sec
->size
;
2337 sec
->size
+= PLT_ENTRY_SIZE
;
2339 srel
->size
+= sizeof (Elf32_External_Rela
);
2342 *local_plt
= (bfd_vma
) -1;
2347 if (htab
->tls_ldm_got
.refcount
> 0)
2349 /* Allocate 2 got entries and 1 dynamic reloc for
2350 R_PARISC_TLS_DTPMOD32 relocs. */
2351 htab
->tls_ldm_got
.offset
= htab
->sgot
->size
;
2352 htab
->sgot
->size
+= (GOT_ENTRY_SIZE
* 2);
2353 htab
->srelgot
->size
+= sizeof (Elf32_External_Rela
);
2356 htab
->tls_ldm_got
.offset
= -1;
2358 /* Do all the .plt entries without relocs first. The dynamic linker
2359 uses the last .plt reloc to find the end of the .plt (and hence
2360 the start of the .got) for lazy linking. */
2361 elf_link_hash_traverse (&htab
->etab
, allocate_plt_static
, info
);
2363 /* Allocate global sym .plt and .got entries, and space for global
2364 sym dynamic relocs. */
2365 elf_link_hash_traverse (&htab
->etab
, allocate_dynrelocs
, info
);
2367 /* The check_relocs and adjust_dynamic_symbol entry points have
2368 determined the sizes of the various dynamic sections. Allocate
2371 for (sec
= dynobj
->sections
; sec
!= NULL
; sec
= sec
->next
)
2373 if ((sec
->flags
& SEC_LINKER_CREATED
) == 0)
2376 if (sec
== htab
->splt
)
2378 if (htab
->need_plt_stub
)
2380 /* Make space for the plt stub at the end of the .plt
2381 section. We want this stub right at the end, up
2382 against the .got section. */
2383 int gotalign
= bfd_section_alignment (dynobj
, htab
->sgot
);
2384 int pltalign
= bfd_section_alignment (dynobj
, sec
);
2387 if (gotalign
> pltalign
)
2388 bfd_set_section_alignment (dynobj
, sec
, gotalign
);
2389 mask
= ((bfd_size_type
) 1 << gotalign
) - 1;
2390 sec
->size
= (sec
->size
+ sizeof (plt_stub
) + mask
) & ~mask
;
2393 else if (sec
== htab
->sgot
2394 || sec
== htab
->sdynbss
)
2396 else if (CONST_STRNEQ (bfd_get_section_name (dynobj
, sec
), ".rela"))
2400 /* Remember whether there are any reloc sections other
2402 if (sec
!= htab
->srelplt
)
2405 /* We use the reloc_count field as a counter if we need
2406 to copy relocs into the output file. */
2407 sec
->reloc_count
= 0;
2412 /* It's not one of our sections, so don't allocate space. */
2418 /* If we don't need this section, strip it from the
2419 output file. This is mostly to handle .rela.bss and
2420 .rela.plt. We must create both sections in
2421 create_dynamic_sections, because they must be created
2422 before the linker maps input sections to output
2423 sections. The linker does that before
2424 adjust_dynamic_symbol is called, and it is that
2425 function which decides whether anything needs to go
2426 into these sections. */
2427 sec
->flags
|= SEC_EXCLUDE
;
2431 if ((sec
->flags
& SEC_HAS_CONTENTS
) == 0)
2434 /* Allocate memory for the section contents. Zero it, because
2435 we may not fill in all the reloc sections. */
2436 sec
->contents
= bfd_zalloc (dynobj
, sec
->size
);
2437 if (sec
->contents
== NULL
)
2441 if (htab
->etab
.dynamic_sections_created
)
2443 /* Like IA-64 and HPPA64, always create a DT_PLTGOT. It
2444 actually has nothing to do with the PLT, it is how we
2445 communicate the LTP value of a load module to the dynamic
2447 #define add_dynamic_entry(TAG, VAL) \
2448 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2450 if (!add_dynamic_entry (DT_PLTGOT
, 0))
2453 /* Add some entries to the .dynamic section. We fill in the
2454 values later, in elf32_hppa_finish_dynamic_sections, but we
2455 must add the entries now so that we get the correct size for
2456 the .dynamic section. The DT_DEBUG entry is filled in by the
2457 dynamic linker and used by the debugger. */
2458 if (info
->executable
)
2460 if (!add_dynamic_entry (DT_DEBUG
, 0))
2464 if (htab
->srelplt
->size
!= 0)
2466 if (!add_dynamic_entry (DT_PLTRELSZ
, 0)
2467 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2468 || !add_dynamic_entry (DT_JMPREL
, 0))
2474 if (!add_dynamic_entry (DT_RELA
, 0)
2475 || !add_dynamic_entry (DT_RELASZ
, 0)
2476 || !add_dynamic_entry (DT_RELAENT
, sizeof (Elf32_External_Rela
)))
2479 /* If any dynamic relocs apply to a read-only section,
2480 then we need a DT_TEXTREL entry. */
2481 if ((info
->flags
& DF_TEXTREL
) == 0)
2482 elf_link_hash_traverse (&htab
->etab
, readonly_dynrelocs
, info
);
2484 if ((info
->flags
& DF_TEXTREL
) != 0)
2486 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2491 #undef add_dynamic_entry
2496 /* External entry points for sizing and building linker stubs. */
2498 /* Set up various things so that we can make a list of input sections
2499 for each output section included in the link. Returns -1 on error,
2500 0 when no stubs will be needed, and 1 on success. */
2503 elf32_hppa_setup_section_lists (bfd
*output_bfd
, struct bfd_link_info
*info
)
2506 unsigned int bfd_count
;
2507 int top_id
, top_index
;
2509 asection
**input_list
, **list
;
2511 struct elf32_hppa_link_hash_table
*htab
= hppa_link_hash_table (info
);
2513 /* Count the number of input BFDs and find the top input section id. */
2514 for (input_bfd
= info
->input_bfds
, bfd_count
= 0, top_id
= 0;
2516 input_bfd
= input_bfd
->link_next
)
2519 for (section
= input_bfd
->sections
;
2521 section
= section
->next
)
2523 if (top_id
< section
->id
)
2524 top_id
= section
->id
;
2527 htab
->bfd_count
= bfd_count
;
2529 amt
= sizeof (struct map_stub
) * (top_id
+ 1);
2530 htab
->stub_group
= bfd_zmalloc (amt
);
2531 if (htab
->stub_group
== NULL
)
2534 /* We can't use output_bfd->section_count here to find the top output
2535 section index as some sections may have been removed, and
2536 strip_excluded_output_sections doesn't renumber the indices. */
2537 for (section
= output_bfd
->sections
, top_index
= 0;
2539 section
= section
->next
)
2541 if (top_index
< section
->index
)
2542 top_index
= section
->index
;
2545 htab
->top_index
= top_index
;
2546 amt
= sizeof (asection
*) * (top_index
+ 1);
2547 input_list
= bfd_malloc (amt
);
2548 htab
->input_list
= input_list
;
2549 if (input_list
== NULL
)
2552 /* For sections we aren't interested in, mark their entries with a
2553 value we can check later. */
2554 list
= input_list
+ top_index
;
2556 *list
= bfd_abs_section_ptr
;
2557 while (list
-- != input_list
);
2559 for (section
= output_bfd
->sections
;
2561 section
= section
->next
)
2563 if ((section
->flags
& SEC_CODE
) != 0)
2564 input_list
[section
->index
] = NULL
;
2570 /* The linker repeatedly calls this function for each input section,
2571 in the order that input sections are linked into output sections.
2572 Build lists of input sections to determine groupings between which
2573 we may insert linker stubs. */
2576 elf32_hppa_next_input_section (struct bfd_link_info
*info
, asection
*isec
)
2578 struct elf32_hppa_link_hash_table
*htab
= hppa_link_hash_table (info
);
2580 if (isec
->output_section
->index
<= htab
->top_index
)
2582 asection
**list
= htab
->input_list
+ isec
->output_section
->index
;
2583 if (*list
!= bfd_abs_section_ptr
)
2585 /* Steal the link_sec pointer for our list. */
2586 #define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
2587 /* This happens to make the list in reverse order,
2588 which is what we want. */
2589 PREV_SEC (isec
) = *list
;
2595 /* See whether we can group stub sections together. Grouping stub
2596 sections may result in fewer stubs. More importantly, we need to
2597 put all .init* and .fini* stubs at the beginning of the .init or
2598 .fini output sections respectively, because glibc splits the
2599 _init and _fini functions into multiple parts. Putting a stub in
2600 the middle of a function is not a good idea. */
2603 group_sections (struct elf32_hppa_link_hash_table
*htab
,
2604 bfd_size_type stub_group_size
,
2605 bfd_boolean stubs_always_before_branch
)
2607 asection
**list
= htab
->input_list
+ htab
->top_index
;
2610 asection
*tail
= *list
;
2611 if (tail
== bfd_abs_section_ptr
)
2613 while (tail
!= NULL
)
2617 bfd_size_type total
;
2618 bfd_boolean big_sec
;
2622 big_sec
= total
>= stub_group_size
;
2624 while ((prev
= PREV_SEC (curr
)) != NULL
2625 && ((total
+= curr
->output_offset
- prev
->output_offset
)
2629 /* OK, the size from the start of CURR to the end is less
2630 than 240000 bytes and thus can be handled by one stub
2631 section. (or the tail section is itself larger than
2632 240000 bytes, in which case we may be toast.)
2633 We should really be keeping track of the total size of
2634 stubs added here, as stubs contribute to the final output
2635 section size. That's a little tricky, and this way will
2636 only break if stubs added total more than 22144 bytes, or
2637 2768 long branch stubs. It seems unlikely for more than
2638 2768 different functions to be called, especially from
2639 code only 240000 bytes long. This limit used to be
2640 250000, but c++ code tends to generate lots of little
2641 functions, and sometimes violated the assumption. */
2644 prev
= PREV_SEC (tail
);
2645 /* Set up this stub group. */
2646 htab
->stub_group
[tail
->id
].link_sec
= curr
;
2648 while (tail
!= curr
&& (tail
= prev
) != NULL
);
2650 /* But wait, there's more! Input sections up to 240000
2651 bytes before the stub section can be handled by it too.
2652 Don't do this if we have a really large section after the
2653 stubs, as adding more stubs increases the chance that
2654 branches may not reach into the stub section. */
2655 if (!stubs_always_before_branch
&& !big_sec
)
2659 && ((total
+= tail
->output_offset
- prev
->output_offset
)
2663 prev
= PREV_SEC (tail
);
2664 htab
->stub_group
[tail
->id
].link_sec
= curr
;
2670 while (list
-- != htab
->input_list
);
2671 free (htab
->input_list
);
2675 /* Read in all local syms for all input bfds, and create hash entries
2676 for export stubs if we are building a multi-subspace shared lib.
2677 Returns -1 on error, 1 if export stubs created, 0 otherwise. */
2680 get_local_syms (bfd
*output_bfd
, bfd
*input_bfd
, struct bfd_link_info
*info
)
2682 unsigned int bfd_indx
;
2683 Elf_Internal_Sym
*local_syms
, **all_local_syms
;
2684 int stub_changed
= 0;
2685 struct elf32_hppa_link_hash_table
*htab
= hppa_link_hash_table (info
);
2687 /* We want to read in symbol extension records only once. To do this
2688 we need to read in the local symbols in parallel and save them for
2689 later use; so hold pointers to the local symbols in an array. */
2690 bfd_size_type amt
= sizeof (Elf_Internal_Sym
*) * htab
->bfd_count
;
2691 all_local_syms
= bfd_zmalloc (amt
);
2692 htab
->all_local_syms
= all_local_syms
;
2693 if (all_local_syms
== NULL
)
2696 /* Walk over all the input BFDs, swapping in local symbols.
2697 If we are creating a shared library, create hash entries for the
2701 input_bfd
= input_bfd
->link_next
, bfd_indx
++)
2703 Elf_Internal_Shdr
*symtab_hdr
;
2705 /* We'll need the symbol table in a second. */
2706 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
2707 if (symtab_hdr
->sh_info
== 0)
2710 /* We need an array of the local symbols attached to the input bfd. */
2711 local_syms
= (Elf_Internal_Sym
*) symtab_hdr
->contents
;
2712 if (local_syms
== NULL
)
2714 local_syms
= bfd_elf_get_elf_syms (input_bfd
, symtab_hdr
,
2715 symtab_hdr
->sh_info
, 0,
2717 /* Cache them for elf_link_input_bfd. */
2718 symtab_hdr
->contents
= (unsigned char *) local_syms
;
2720 if (local_syms
== NULL
)
2723 all_local_syms
[bfd_indx
] = local_syms
;
2725 if (info
->shared
&& htab
->multi_subspace
)
2727 struct elf_link_hash_entry
**eh_syms
;
2728 struct elf_link_hash_entry
**eh_symend
;
2729 unsigned int symcount
;
2731 symcount
= (symtab_hdr
->sh_size
/ sizeof (Elf32_External_Sym
)
2732 - symtab_hdr
->sh_info
);
2733 eh_syms
= (struct elf_link_hash_entry
**) elf_sym_hashes (input_bfd
);
2734 eh_symend
= (struct elf_link_hash_entry
**) (eh_syms
+ symcount
);
2736 /* Look through the global syms for functions; We need to
2737 build export stubs for all globally visible functions. */
2738 for (; eh_syms
< eh_symend
; eh_syms
++)
2740 struct elf32_hppa_link_hash_entry
*hh
;
2742 hh
= hppa_elf_hash_entry (*eh_syms
);
2744 while (hh
->eh
.root
.type
== bfd_link_hash_indirect
2745 || hh
->eh
.root
.type
== bfd_link_hash_warning
)
2746 hh
= hppa_elf_hash_entry (hh
->eh
.root
.u
.i
.link
);
2748 /* At this point in the link, undefined syms have been
2749 resolved, so we need to check that the symbol was
2750 defined in this BFD. */
2751 if ((hh
->eh
.root
.type
== bfd_link_hash_defined
2752 || hh
->eh
.root
.type
== bfd_link_hash_defweak
)
2753 && hh
->eh
.type
== STT_FUNC
2754 && hh
->eh
.root
.u
.def
.section
->output_section
!= NULL
2755 && (hh
->eh
.root
.u
.def
.section
->output_section
->owner
2757 && hh
->eh
.root
.u
.def
.section
->owner
== input_bfd
2758 && hh
->eh
.def_regular
2759 && !hh
->eh
.forced_local
2760 && ELF_ST_VISIBILITY (hh
->eh
.other
) == STV_DEFAULT
)
2763 const char *stub_name
;
2764 struct elf32_hppa_stub_hash_entry
*hsh
;
2766 sec
= hh
->eh
.root
.u
.def
.section
;
2767 stub_name
= hh_name (hh
);
2768 hsh
= hppa_stub_hash_lookup (&htab
->bstab
,
2773 hsh
= hppa_add_stub (stub_name
, sec
, htab
);
2777 hsh
->target_value
= hh
->eh
.root
.u
.def
.value
;
2778 hsh
->target_section
= hh
->eh
.root
.u
.def
.section
;
2779 hsh
->stub_type
= hppa_stub_export
;
2785 (*_bfd_error_handler
) (_("%B: duplicate export stub %s"),
2794 return stub_changed
;
2797 /* Determine and set the size of the stub section for a final link.
2799 The basic idea here is to examine all the relocations looking for
2800 PC-relative calls to a target that is unreachable with a "bl"
2804 elf32_hppa_size_stubs
2805 (bfd
*output_bfd
, bfd
*stub_bfd
, struct bfd_link_info
*info
,
2806 bfd_boolean multi_subspace
, bfd_signed_vma group_size
,
2807 asection
* (*add_stub_section
) (const char *, asection
*),
2808 void (*layout_sections_again
) (void))
2810 bfd_size_type stub_group_size
;
2811 bfd_boolean stubs_always_before_branch
;
2812 bfd_boolean stub_changed
;
2813 struct elf32_hppa_link_hash_table
*htab
= hppa_link_hash_table (info
);
2815 /* Stash our params away. */
2816 htab
->stub_bfd
= stub_bfd
;
2817 htab
->multi_subspace
= multi_subspace
;
2818 htab
->add_stub_section
= add_stub_section
;
2819 htab
->layout_sections_again
= layout_sections_again
;
2820 stubs_always_before_branch
= group_size
< 0;
2822 stub_group_size
= -group_size
;
2824 stub_group_size
= group_size
;
2825 if (stub_group_size
== 1)
2827 /* Default values. */
2828 if (stubs_always_before_branch
)
2830 stub_group_size
= 7680000;
2831 if (htab
->has_17bit_branch
|| htab
->multi_subspace
)
2832 stub_group_size
= 240000;
2833 if (htab
->has_12bit_branch
)
2834 stub_group_size
= 7500;
2838 stub_group_size
= 6971392;
2839 if (htab
->has_17bit_branch
|| htab
->multi_subspace
)
2840 stub_group_size
= 217856;
2841 if (htab
->has_12bit_branch
)
2842 stub_group_size
= 6808;
2846 group_sections (htab
, stub_group_size
, stubs_always_before_branch
);
2848 switch (get_local_syms (output_bfd
, info
->input_bfds
, info
))
2851 if (htab
->all_local_syms
)
2852 goto error_ret_free_local
;
2856 stub_changed
= FALSE
;
2860 stub_changed
= TRUE
;
2867 unsigned int bfd_indx
;
2870 for (input_bfd
= info
->input_bfds
, bfd_indx
= 0;
2872 input_bfd
= input_bfd
->link_next
, bfd_indx
++)
2874 Elf_Internal_Shdr
*symtab_hdr
;
2876 Elf_Internal_Sym
*local_syms
;
2878 /* We'll need the symbol table in a second. */
2879 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
2880 if (symtab_hdr
->sh_info
== 0)
2883 local_syms
= htab
->all_local_syms
[bfd_indx
];
2885 /* Walk over each section attached to the input bfd. */
2886 for (section
= input_bfd
->sections
;
2888 section
= section
->next
)
2890 Elf_Internal_Rela
*internal_relocs
, *irelaend
, *irela
;
2892 /* If there aren't any relocs, then there's nothing more
2894 if ((section
->flags
& SEC_RELOC
) == 0
2895 || section
->reloc_count
== 0)
2898 /* If this section is a link-once section that will be
2899 discarded, then don't create any stubs. */
2900 if (section
->output_section
== NULL
2901 || section
->output_section
->owner
!= output_bfd
)
2904 /* Get the relocs. */
2906 = _bfd_elf_link_read_relocs (input_bfd
, section
, NULL
, NULL
,
2908 if (internal_relocs
== NULL
)
2909 goto error_ret_free_local
;
2911 /* Now examine each relocation. */
2912 irela
= internal_relocs
;
2913 irelaend
= irela
+ section
->reloc_count
;
2914 for (; irela
< irelaend
; irela
++)
2916 unsigned int r_type
, r_indx
;
2917 enum elf32_hppa_stub_type stub_type
;
2918 struct elf32_hppa_stub_hash_entry
*hsh
;
2921 bfd_vma destination
;
2922 struct elf32_hppa_link_hash_entry
*hh
;
2924 const asection
*id_sec
;
2926 r_type
= ELF32_R_TYPE (irela
->r_info
);
2927 r_indx
= ELF32_R_SYM (irela
->r_info
);
2929 if (r_type
>= (unsigned int) R_PARISC_UNIMPLEMENTED
)
2931 bfd_set_error (bfd_error_bad_value
);
2932 error_ret_free_internal
:
2933 if (elf_section_data (section
)->relocs
== NULL
)
2934 free (internal_relocs
);
2935 goto error_ret_free_local
;
2938 /* Only look for stubs on call instructions. */
2939 if (r_type
!= (unsigned int) R_PARISC_PCREL12F
2940 && r_type
!= (unsigned int) R_PARISC_PCREL17F
2941 && r_type
!= (unsigned int) R_PARISC_PCREL22F
)
2944 /* Now determine the call target, its name, value,
2950 if (r_indx
< symtab_hdr
->sh_info
)
2952 /* It's a local symbol. */
2953 Elf_Internal_Sym
*sym
;
2954 Elf_Internal_Shdr
*hdr
;
2957 sym
= local_syms
+ r_indx
;
2958 if (ELF_ST_TYPE (sym
->st_info
) != STT_SECTION
)
2959 sym_value
= sym
->st_value
;
2960 shndx
= sym
->st_shndx
;
2961 if (shndx
< elf_numsections (input_bfd
))
2963 hdr
= elf_elfsections (input_bfd
)[shndx
];
2964 sym_sec
= hdr
->bfd_section
;
2965 destination
= (sym_value
+ irela
->r_addend
2966 + sym_sec
->output_offset
2967 + sym_sec
->output_section
->vma
);
2972 /* It's an external symbol. */
2975 e_indx
= r_indx
- symtab_hdr
->sh_info
;
2976 hh
= hppa_elf_hash_entry (elf_sym_hashes (input_bfd
)[e_indx
]);
2978 while (hh
->eh
.root
.type
== bfd_link_hash_indirect
2979 || hh
->eh
.root
.type
== bfd_link_hash_warning
)
2980 hh
= hppa_elf_hash_entry (hh
->eh
.root
.u
.i
.link
);
2982 if (hh
->eh
.root
.type
== bfd_link_hash_defined
2983 || hh
->eh
.root
.type
== bfd_link_hash_defweak
)
2985 sym_sec
= hh
->eh
.root
.u
.def
.section
;
2986 sym_value
= hh
->eh
.root
.u
.def
.value
;
2987 if (sym_sec
->output_section
!= NULL
)
2988 destination
= (sym_value
+ irela
->r_addend
2989 + sym_sec
->output_offset
2990 + sym_sec
->output_section
->vma
);
2992 else if (hh
->eh
.root
.type
== bfd_link_hash_undefweak
)
2997 else if (hh
->eh
.root
.type
== bfd_link_hash_undefined
)
2999 if (! (info
->unresolved_syms_in_objects
== RM_IGNORE
3000 && (ELF_ST_VISIBILITY (hh
->eh
.other
)
3002 && hh
->eh
.type
!= STT_PARISC_MILLI
))
3007 bfd_set_error (bfd_error_bad_value
);
3008 goto error_ret_free_internal
;
3012 /* Determine what (if any) linker stub is needed. */
3013 stub_type
= hppa_type_of_stub (section
, irela
, hh
,
3015 if (stub_type
== hppa_stub_none
)
3018 /* Support for grouping stub sections. */
3019 id_sec
= htab
->stub_group
[section
->id
].link_sec
;
3021 /* Get the name of this stub. */
3022 stub_name
= hppa_stub_name (id_sec
, sym_sec
, hh
, irela
);
3024 goto error_ret_free_internal
;
3026 hsh
= hppa_stub_hash_lookup (&htab
->bstab
,
3031 /* The proper stub has already been created. */
3036 hsh
= hppa_add_stub (stub_name
, section
, htab
);
3040 goto error_ret_free_internal
;
3043 hsh
->target_value
= sym_value
;
3044 hsh
->target_section
= sym_sec
;
3045 hsh
->stub_type
= stub_type
;
3048 if (stub_type
== hppa_stub_import
)
3049 hsh
->stub_type
= hppa_stub_import_shared
;
3050 else if (stub_type
== hppa_stub_long_branch
)
3051 hsh
->stub_type
= hppa_stub_long_branch_shared
;
3054 stub_changed
= TRUE
;
3057 /* We're done with the internal relocs, free them. */
3058 if (elf_section_data (section
)->relocs
== NULL
)
3059 free (internal_relocs
);
3066 /* OK, we've added some stubs. Find out the new size of the
3068 for (stub_sec
= htab
->stub_bfd
->sections
;
3070 stub_sec
= stub_sec
->next
)
3073 bfd_hash_traverse (&htab
->bstab
, hppa_size_one_stub
, htab
);
3075 /* Ask the linker to do its stuff. */
3076 (*htab
->layout_sections_again
) ();
3077 stub_changed
= FALSE
;
3080 free (htab
->all_local_syms
);
3083 error_ret_free_local
:
3084 free (htab
->all_local_syms
);
3088 /* For a final link, this function is called after we have sized the
3089 stubs to provide a value for __gp. */
3092 elf32_hppa_set_gp (bfd
*abfd
, struct bfd_link_info
*info
)
3094 struct bfd_link_hash_entry
*h
;
3095 asection
*sec
= NULL
;
3097 struct elf32_hppa_link_hash_table
*htab
;
3099 htab
= hppa_link_hash_table (info
);
3100 h
= bfd_link_hash_lookup (&htab
->etab
.root
, "$global$", FALSE
, FALSE
, FALSE
);
3103 && (h
->type
== bfd_link_hash_defined
3104 || h
->type
== bfd_link_hash_defweak
))
3106 gp_val
= h
->u
.def
.value
;
3107 sec
= h
->u
.def
.section
;
3111 asection
*splt
= bfd_get_section_by_name (abfd
, ".plt");
3112 asection
*sgot
= bfd_get_section_by_name (abfd
, ".got");
3114 /* Choose to point our LTP at, in this order, one of .plt, .got,
3115 or .data, if these sections exist. In the case of choosing
3116 .plt try to make the LTP ideal for addressing anywhere in the
3117 .plt or .got with a 14 bit signed offset. Typically, the end
3118 of the .plt is the start of the .got, so choose .plt + 0x2000
3119 if either the .plt or .got is larger than 0x2000. If both
3120 the .plt and .got are smaller than 0x2000, choose the end of
3121 the .plt section. */
3122 sec
= strcmp (bfd_get_target (abfd
), "elf32-hppa-netbsd") == 0
3127 if (gp_val
> 0x2000 || (sgot
&& sgot
->size
> 0x2000))
3137 if (strcmp (bfd_get_target (abfd
), "elf32-hppa-netbsd") != 0)
3139 /* We know we don't have a .plt. If .got is large,
3141 if (sec
->size
> 0x2000)
3147 /* No .plt or .got. Who cares what the LTP is? */
3148 sec
= bfd_get_section_by_name (abfd
, ".data");
3154 h
->type
= bfd_link_hash_defined
;
3155 h
->u
.def
.value
= gp_val
;
3157 h
->u
.def
.section
= sec
;
3159 h
->u
.def
.section
= bfd_abs_section_ptr
;
3163 if (sec
!= NULL
&& sec
->output_section
!= NULL
)
3164 gp_val
+= sec
->output_section
->vma
+ sec
->output_offset
;
3166 elf_gp (abfd
) = gp_val
;
3170 /* Build all the stubs associated with the current output file. The
3171 stubs are kept in a hash table attached to the main linker hash
3172 table. We also set up the .plt entries for statically linked PIC
3173 functions here. This function is called via hppaelf_finish in the
3177 elf32_hppa_build_stubs (struct bfd_link_info
*info
)
3180 struct bfd_hash_table
*table
;
3181 struct elf32_hppa_link_hash_table
*htab
;
3183 htab
= hppa_link_hash_table (info
);
3185 for (stub_sec
= htab
->stub_bfd
->sections
;
3187 stub_sec
= stub_sec
->next
)
3191 /* Allocate memory to hold the linker stubs. */
3192 size
= stub_sec
->size
;
3193 stub_sec
->contents
= bfd_zalloc (htab
->stub_bfd
, size
);
3194 if (stub_sec
->contents
== NULL
&& size
!= 0)
3199 /* Build the stubs as directed by the stub hash table. */
3200 table
= &htab
->bstab
;
3201 bfd_hash_traverse (table
, hppa_build_one_stub
, info
);
3206 /* Return the base vma address which should be subtracted from the real
3207 address when resolving a dtpoff relocation.
3208 This is PT_TLS segment p_vaddr. */
3211 dtpoff_base (struct bfd_link_info
*info
)
3213 /* If tls_sec is NULL, we should have signalled an error already. */
3214 if (elf_hash_table (info
)->tls_sec
== NULL
)
3216 return elf_hash_table (info
)->tls_sec
->vma
;
3219 /* Return the relocation value for R_PARISC_TLS_TPOFF*.. */
3222 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
3224 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
3226 /* If tls_sec is NULL, we should have signalled an error already. */
3227 if (htab
->tls_sec
== NULL
)
3229 /* hppa TLS ABI is variant I and static TLS block start just after
3230 tcbhead structure which has 2 pointer fields. */
3231 return (address
- htab
->tls_sec
->vma
3232 + align_power ((bfd_vma
) 8, htab
->tls_sec
->alignment_power
));
3235 /* Perform a final link. */
3238 elf32_hppa_final_link (bfd
*abfd
, struct bfd_link_info
*info
)
3240 /* Invoke the regular ELF linker to do all the work. */
3241 if (!bfd_elf_final_link (abfd
, info
))
3244 /* If we're producing a final executable, sort the contents of the
3246 return elf_hppa_sort_unwind (abfd
);
3249 /* Record the lowest address for the data and text segments. */
3252 hppa_record_segment_addr (bfd
*abfd
, asection
*section
, void *data
)
3254 struct elf32_hppa_link_hash_table
*htab
;
3256 htab
= (struct elf32_hppa_link_hash_table
*) data
;
3258 if ((section
->flags
& (SEC_ALLOC
| SEC_LOAD
)) == (SEC_ALLOC
| SEC_LOAD
))
3261 Elf_Internal_Phdr
*p
;
3263 p
= _bfd_elf_find_segment_containing_section (abfd
, section
->output_section
);
3264 BFD_ASSERT (p
!= NULL
);
3267 if ((section
->flags
& SEC_READONLY
) != 0)
3269 if (value
< htab
->text_segment_base
)
3270 htab
->text_segment_base
= value
;
3274 if (value
< htab
->data_segment_base
)
3275 htab
->data_segment_base
= value
;
3280 /* Perform a relocation as part of a final link. */
3282 static bfd_reloc_status_type
3283 final_link_relocate (asection
*input_section
,
3285 const Elf_Internal_Rela
*rela
,
3287 struct elf32_hppa_link_hash_table
*htab
,
3289 struct elf32_hppa_link_hash_entry
*hh
,
3290 struct bfd_link_info
*info
)
3293 unsigned int r_type
= ELF32_R_TYPE (rela
->r_info
);
3294 unsigned int orig_r_type
= r_type
;
3295 reloc_howto_type
*howto
= elf_hppa_howto_table
+ r_type
;
3296 int r_format
= howto
->bitsize
;
3297 enum hppa_reloc_field_selector_type_alt r_field
;
3298 bfd
*input_bfd
= input_section
->owner
;
3299 bfd_vma offset
= rela
->r_offset
;
3300 bfd_vma max_branch_offset
= 0;
3301 bfd_byte
*hit_data
= contents
+ offset
;
3302 bfd_signed_vma addend
= rela
->r_addend
;
3304 struct elf32_hppa_stub_hash_entry
*hsh
= NULL
;
3307 if (r_type
== R_PARISC_NONE
)
3308 return bfd_reloc_ok
;
3310 insn
= bfd_get_32 (input_bfd
, hit_data
);
3312 /* Find out where we are and where we're going. */
3313 location
= (offset
+
3314 input_section
->output_offset
+
3315 input_section
->output_section
->vma
);
3317 /* If we are not building a shared library, convert DLTIND relocs to
3323 case R_PARISC_DLTIND21L
:
3324 r_type
= R_PARISC_DPREL21L
;
3327 case R_PARISC_DLTIND14R
:
3328 r_type
= R_PARISC_DPREL14R
;
3331 case R_PARISC_DLTIND14F
:
3332 r_type
= R_PARISC_DPREL14F
;
3339 case R_PARISC_PCREL12F
:
3340 case R_PARISC_PCREL17F
:
3341 case R_PARISC_PCREL22F
:
3342 /* If this call should go via the plt, find the import stub in
3345 || sym_sec
->output_section
== NULL
3347 && hh
->eh
.plt
.offset
!= (bfd_vma
) -1
3348 && hh
->eh
.dynindx
!= -1
3351 || !hh
->eh
.def_regular
3352 || hh
->eh
.root
.type
== bfd_link_hash_defweak
)))
3354 hsh
= hppa_get_stub_entry (input_section
, sym_sec
,
3358 value
= (hsh
->stub_offset
3359 + hsh
->stub_sec
->output_offset
3360 + hsh
->stub_sec
->output_section
->vma
);
3363 else if (sym_sec
== NULL
&& hh
!= NULL
3364 && hh
->eh
.root
.type
== bfd_link_hash_undefweak
)
3366 /* It's OK if undefined weak. Calls to undefined weak
3367 symbols behave as if the "called" function
3368 immediately returns. We can thus call to a weak
3369 function without first checking whether the function
3375 return bfd_reloc_undefined
;
3379 case R_PARISC_PCREL21L
:
3380 case R_PARISC_PCREL17C
:
3381 case R_PARISC_PCREL17R
:
3382 case R_PARISC_PCREL14R
:
3383 case R_PARISC_PCREL14F
:
3384 case R_PARISC_PCREL32
:
3385 /* Make it a pc relative offset. */
3390 case R_PARISC_DPREL21L
:
3391 case R_PARISC_DPREL14R
:
3392 case R_PARISC_DPREL14F
:
3393 /* Convert instructions that use the linkage table pointer (r19) to
3394 instructions that use the global data pointer (dp). This is the
3395 most efficient way of using PIC code in an incomplete executable,
3396 but the user must follow the standard runtime conventions for
3397 accessing data for this to work. */
3398 if (orig_r_type
== R_PARISC_DLTIND21L
)
3400 /* Convert addil instructions if the original reloc was a
3401 DLTIND21L. GCC sometimes uses a register other than r19 for
3402 the operation, so we must convert any addil instruction
3403 that uses this relocation. */
3404 if ((insn
& 0xfc000000) == ((int) OP_ADDIL
<< 26))
3407 /* We must have a ldil instruction. It's too hard to find
3408 and convert the associated add instruction, so issue an
3410 (*_bfd_error_handler
)
3411 (_("%B(%A+0x%lx): %s fixup for insn 0x%x is not supported in a non-shared link"),
3418 else if (orig_r_type
== R_PARISC_DLTIND14F
)
3420 /* This must be a format 1 load/store. Change the base
3422 insn
= (insn
& 0xfc1ffff) | (27 << 21);
3425 /* For all the DP relative relocations, we need to examine the symbol's
3426 section. If it has no section or if it's a code section, then
3427 "data pointer relative" makes no sense. In that case we don't
3428 adjust the "value", and for 21 bit addil instructions, we change the
3429 source addend register from %dp to %r0. This situation commonly
3430 arises for undefined weak symbols and when a variable's "constness"
3431 is declared differently from the way the variable is defined. For
3432 instance: "extern int foo" with foo defined as "const int foo". */
3433 if (sym_sec
== NULL
|| (sym_sec
->flags
& SEC_CODE
) != 0)
3435 if ((insn
& ((0x3f << 26) | (0x1f << 21)))
3436 == (((int) OP_ADDIL
<< 26) | (27 << 21)))
3438 insn
&= ~ (0x1f << 21);
3440 /* Now try to make things easy for the dynamic linker. */
3446 case R_PARISC_DLTIND21L
:
3447 case R_PARISC_DLTIND14R
:
3448 case R_PARISC_DLTIND14F
:
3449 case R_PARISC_TLS_GD21L
:
3450 case R_PARISC_TLS_GD14R
:
3451 case R_PARISC_TLS_LDM21L
:
3452 case R_PARISC_TLS_LDM14R
:
3453 case R_PARISC_TLS_IE21L
:
3454 case R_PARISC_TLS_IE14R
:
3455 value
-= elf_gp (input_section
->output_section
->owner
);
3458 case R_PARISC_SEGREL32
:
3459 if ((sym_sec
->flags
& SEC_CODE
) != 0)
3460 value
-= htab
->text_segment_base
;
3462 value
-= htab
->data_segment_base
;
3471 case R_PARISC_DIR32
:
3472 case R_PARISC_DIR14F
:
3473 case R_PARISC_DIR17F
:
3474 case R_PARISC_PCREL17C
:
3475 case R_PARISC_PCREL14F
:
3476 case R_PARISC_PCREL32
:
3477 case R_PARISC_DPREL14F
:
3478 case R_PARISC_PLABEL32
:
3479 case R_PARISC_DLTIND14F
:
3480 case R_PARISC_SEGBASE
:
3481 case R_PARISC_SEGREL32
:
3482 case R_PARISC_TLS_DTPMOD32
:
3483 case R_PARISC_TLS_DTPOFF32
:
3484 case R_PARISC_TLS_TPREL32
:
3488 case R_PARISC_DLTIND21L
:
3489 case R_PARISC_PCREL21L
:
3490 case R_PARISC_PLABEL21L
:
3494 case R_PARISC_DIR21L
:
3495 case R_PARISC_DPREL21L
:
3496 case R_PARISC_TLS_GD21L
:
3497 case R_PARISC_TLS_LDM21L
:
3498 case R_PARISC_TLS_LDO21L
:
3499 case R_PARISC_TLS_IE21L
:
3500 case R_PARISC_TLS_LE21L
:
3504 case R_PARISC_PCREL17R
:
3505 case R_PARISC_PCREL14R
:
3506 case R_PARISC_PLABEL14R
:
3507 case R_PARISC_DLTIND14R
:
3511 case R_PARISC_DIR17R
:
3512 case R_PARISC_DIR14R
:
3513 case R_PARISC_DPREL14R
:
3514 case R_PARISC_TLS_GD14R
:
3515 case R_PARISC_TLS_LDM14R
:
3516 case R_PARISC_TLS_LDO14R
:
3517 case R_PARISC_TLS_IE14R
:
3518 case R_PARISC_TLS_LE14R
:
3522 case R_PARISC_PCREL12F
:
3523 case R_PARISC_PCREL17F
:
3524 case R_PARISC_PCREL22F
:
3527 if (r_type
== (unsigned int) R_PARISC_PCREL17F
)
3529 max_branch_offset
= (1 << (17-1)) << 2;
3531 else if (r_type
== (unsigned int) R_PARISC_PCREL12F
)
3533 max_branch_offset
= (1 << (12-1)) << 2;
3537 max_branch_offset
= (1 << (22-1)) << 2;
3540 /* sym_sec is NULL on undefined weak syms or when shared on
3541 undefined syms. We've already checked for a stub for the
3542 shared undefined case. */
3543 if (sym_sec
== NULL
)
3546 /* If the branch is out of reach, then redirect the
3547 call to the local stub for this function. */
3548 if (value
+ addend
+ max_branch_offset
>= 2*max_branch_offset
)
3550 hsh
= hppa_get_stub_entry (input_section
, sym_sec
,
3553 return bfd_reloc_undefined
;
3555 /* Munge up the value and addend so that we call the stub
3556 rather than the procedure directly. */
3557 value
= (hsh
->stub_offset
3558 + hsh
->stub_sec
->output_offset
3559 + hsh
->stub_sec
->output_section
->vma
3565 /* Something we don't know how to handle. */
3567 return bfd_reloc_notsupported
;
3570 /* Make sure we can reach the stub. */
3571 if (max_branch_offset
!= 0
3572 && value
+ addend
+ max_branch_offset
>= 2*max_branch_offset
)
3574 (*_bfd_error_handler
)
3575 (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
3579 hsh
->bh_root
.string
);
3580 bfd_set_error (bfd_error_bad_value
);
3581 return bfd_reloc_notsupported
;
3584 val
= hppa_field_adjust (value
, addend
, r_field
);
3588 case R_PARISC_PCREL12F
:
3589 case R_PARISC_PCREL17C
:
3590 case R_PARISC_PCREL17F
:
3591 case R_PARISC_PCREL17R
:
3592 case R_PARISC_PCREL22F
:
3593 case R_PARISC_DIR17F
:
3594 case R_PARISC_DIR17R
:
3595 /* This is a branch. Divide the offset by four.
3596 Note that we need to decide whether it's a branch or
3597 otherwise by inspecting the reloc. Inspecting insn won't
3598 work as insn might be from a .word directive. */
3606 insn
= hppa_rebuild_insn (insn
, val
, r_format
);
3608 /* Update the instruction word. */
3609 bfd_put_32 (input_bfd
, (bfd_vma
) insn
, hit_data
);
3610 return bfd_reloc_ok
;
3613 /* Relocate an HPPA ELF section. */
3616 elf32_hppa_relocate_section (bfd
*output_bfd
,
3617 struct bfd_link_info
*info
,
3619 asection
*input_section
,
3621 Elf_Internal_Rela
*relocs
,
3622 Elf_Internal_Sym
*local_syms
,
3623 asection
**local_sections
)
3625 bfd_vma
*local_got_offsets
;
3626 struct elf32_hppa_link_hash_table
*htab
;
3627 Elf_Internal_Shdr
*symtab_hdr
;
3628 Elf_Internal_Rela
*rela
;
3629 Elf_Internal_Rela
*relend
;
3631 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
3633 htab
= hppa_link_hash_table (info
);
3634 local_got_offsets
= elf_local_got_offsets (input_bfd
);
3637 relend
= relocs
+ input_section
->reloc_count
;
3638 for (; rela
< relend
; rela
++)
3640 unsigned int r_type
;
3641 reloc_howto_type
*howto
;
3642 unsigned int r_symndx
;
3643 struct elf32_hppa_link_hash_entry
*hh
;
3644 Elf_Internal_Sym
*sym
;
3647 bfd_reloc_status_type rstatus
;
3648 const char *sym_name
;
3650 bfd_boolean warned_undef
;
3652 r_type
= ELF32_R_TYPE (rela
->r_info
);
3653 if (r_type
>= (unsigned int) R_PARISC_UNIMPLEMENTED
)
3655 bfd_set_error (bfd_error_bad_value
);
3658 if (r_type
== (unsigned int) R_PARISC_GNU_VTENTRY
3659 || r_type
== (unsigned int) R_PARISC_GNU_VTINHERIT
)
3662 r_symndx
= ELF32_R_SYM (rela
->r_info
);
3666 warned_undef
= FALSE
;
3667 if (r_symndx
< symtab_hdr
->sh_info
)
3669 /* This is a local symbol, h defaults to NULL. */
3670 sym
= local_syms
+ r_symndx
;
3671 sym_sec
= local_sections
[r_symndx
];
3672 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sym_sec
, rela
);
3676 struct elf_link_hash_entry
*eh
;
3677 bfd_boolean unresolved_reloc
;
3678 struct elf_link_hash_entry
**sym_hashes
= elf_sym_hashes (input_bfd
);
3680 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rela
,
3681 r_symndx
, symtab_hdr
, sym_hashes
,
3682 eh
, sym_sec
, relocation
,
3683 unresolved_reloc
, warned_undef
);
3685 if (!info
->relocatable
3687 && eh
->root
.type
!= bfd_link_hash_defined
3688 && eh
->root
.type
!= bfd_link_hash_defweak
3689 && eh
->root
.type
!= bfd_link_hash_undefweak
)
3691 if (info
->unresolved_syms_in_objects
== RM_IGNORE
3692 && ELF_ST_VISIBILITY (eh
->other
) == STV_DEFAULT
3693 && eh
->type
== STT_PARISC_MILLI
)
3695 if (! info
->callbacks
->undefined_symbol
3696 (info
, eh_name (eh
), input_bfd
,
3697 input_section
, rela
->r_offset
, FALSE
))
3699 warned_undef
= TRUE
;
3702 hh
= hppa_elf_hash_entry (eh
);
3705 if (sym_sec
!= NULL
&& elf_discarded_section (sym_sec
))
3707 /* For relocs against symbols from removed linkonce
3708 sections, or sections discarded by a linker script,
3709 we just want the section contents zeroed. Avoid any
3710 special processing. */
3711 _bfd_clear_contents (elf_hppa_howto_table
+ r_type
, input_bfd
,
3712 contents
+ rela
->r_offset
);
3718 if (info
->relocatable
)
3721 /* Do any required modifications to the relocation value, and
3722 determine what types of dynamic info we need to output, if
3727 case R_PARISC_DLTIND14F
:
3728 case R_PARISC_DLTIND14R
:
3729 case R_PARISC_DLTIND21L
:
3732 bfd_boolean do_got
= 0;
3734 /* Relocation is to the entry for this symbol in the
3735 global offset table. */
3740 off
= hh
->eh
.got
.offset
;
3741 dyn
= htab
->etab
.dynamic_sections_created
;
3742 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, info
->shared
,
3745 /* If we aren't going to call finish_dynamic_symbol,
3746 then we need to handle initialisation of the .got
3747 entry and create needed relocs here. Since the
3748 offset must always be a multiple of 4, we use the
3749 least significant bit to record whether we have
3750 initialised it already. */
3755 hh
->eh
.got
.offset
|= 1;
3762 /* Local symbol case. */
3763 if (local_got_offsets
== NULL
)
3766 off
= local_got_offsets
[r_symndx
];
3768 /* The offset must always be a multiple of 4. We use
3769 the least significant bit to record whether we have
3770 already generated the necessary reloc. */
3775 local_got_offsets
[r_symndx
] |= 1;
3784 /* Output a dynamic relocation for this GOT entry.
3785 In this case it is relative to the base of the
3786 object because the symbol index is zero. */
3787 Elf_Internal_Rela outrel
;
3789 asection
*sec
= htab
->srelgot
;
3791 outrel
.r_offset
= (off
3792 + htab
->sgot
->output_offset
3793 + htab
->sgot
->output_section
->vma
);
3794 outrel
.r_info
= ELF32_R_INFO (0, R_PARISC_DIR32
);
3795 outrel
.r_addend
= relocation
;
3796 loc
= sec
->contents
;
3797 loc
+= sec
->reloc_count
++ * sizeof (Elf32_External_Rela
);
3798 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
3801 bfd_put_32 (output_bfd
, relocation
,
3802 htab
->sgot
->contents
+ off
);
3805 if (off
>= (bfd_vma
) -2)
3808 /* Add the base of the GOT to the relocation value. */
3810 + htab
->sgot
->output_offset
3811 + htab
->sgot
->output_section
->vma
);
3815 case R_PARISC_SEGREL32
:
3816 /* If this is the first SEGREL relocation, then initialize
3817 the segment base values. */
3818 if (htab
->text_segment_base
== (bfd_vma
) -1)
3819 bfd_map_over_sections (output_bfd
, hppa_record_segment_addr
, htab
);
3822 case R_PARISC_PLABEL14R
:
3823 case R_PARISC_PLABEL21L
:
3824 case R_PARISC_PLABEL32
:
3825 if (htab
->etab
.dynamic_sections_created
)
3828 bfd_boolean do_plt
= 0;
3829 /* If we have a global symbol with a PLT slot, then
3830 redirect this relocation to it. */
3833 off
= hh
->eh
.plt
.offset
;
3834 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info
->shared
,
3837 /* In a non-shared link, adjust_dynamic_symbols
3838 isn't called for symbols forced local. We
3839 need to write out the plt entry here. */
3844 hh
->eh
.plt
.offset
|= 1;
3851 bfd_vma
*local_plt_offsets
;
3853 if (local_got_offsets
== NULL
)
3856 local_plt_offsets
= local_got_offsets
+ symtab_hdr
->sh_info
;
3857 off
= local_plt_offsets
[r_symndx
];
3859 /* As for the local .got entry case, we use the last
3860 bit to record whether we've already initialised
3861 this local .plt entry. */
3866 local_plt_offsets
[r_symndx
] |= 1;
3875 /* Output a dynamic IPLT relocation for this
3877 Elf_Internal_Rela outrel
;
3879 asection
*s
= htab
->srelplt
;
3881 outrel
.r_offset
= (off
3882 + htab
->splt
->output_offset
3883 + htab
->splt
->output_section
->vma
);
3884 outrel
.r_info
= ELF32_R_INFO (0, R_PARISC_IPLT
);
3885 outrel
.r_addend
= relocation
;
3887 loc
+= s
->reloc_count
++ * sizeof (Elf32_External_Rela
);
3888 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
3892 bfd_put_32 (output_bfd
,
3894 htab
->splt
->contents
+ off
);
3895 bfd_put_32 (output_bfd
,
3896 elf_gp (htab
->splt
->output_section
->owner
),
3897 htab
->splt
->contents
+ off
+ 4);
3901 if (off
>= (bfd_vma
) -2)
3904 /* PLABELs contain function pointers. Relocation is to
3905 the entry for the function in the .plt. The magic +2
3906 offset signals to $$dyncall that the function pointer
3907 is in the .plt and thus has a gp pointer too.
3908 Exception: Undefined PLABELs should have a value of
3911 || (hh
->eh
.root
.type
!= bfd_link_hash_undefweak
3912 && hh
->eh
.root
.type
!= bfd_link_hash_undefined
))
3915 + htab
->splt
->output_offset
3916 + htab
->splt
->output_section
->vma
3921 /* Fall through and possibly emit a dynamic relocation. */
3923 case R_PARISC_DIR17F
:
3924 case R_PARISC_DIR17R
:
3925 case R_PARISC_DIR14F
:
3926 case R_PARISC_DIR14R
:
3927 case R_PARISC_DIR21L
:
3928 case R_PARISC_DPREL14F
:
3929 case R_PARISC_DPREL14R
:
3930 case R_PARISC_DPREL21L
:
3931 case R_PARISC_DIR32
:
3932 if ((input_section
->flags
& SEC_ALLOC
) == 0)
3935 /* The reloc types handled here and this conditional
3936 expression must match the code in ..check_relocs and
3937 allocate_dynrelocs. ie. We need exactly the same condition
3938 as in ..check_relocs, with some extra conditions (dynindx
3939 test in this case) to cater for relocs removed by
3940 allocate_dynrelocs. If you squint, the non-shared test
3941 here does indeed match the one in ..check_relocs, the
3942 difference being that here we test DEF_DYNAMIC as well as
3943 !DEF_REGULAR. All common syms end up with !DEF_REGULAR,
3944 which is why we can't use just that test here.
3945 Conversely, DEF_DYNAMIC can't be used in check_relocs as
3946 there all files have not been loaded. */
3949 || ELF_ST_VISIBILITY (hh
->eh
.other
) == STV_DEFAULT
3950 || hh
->eh
.root
.type
!= bfd_link_hash_undefweak
)
3951 && (IS_ABSOLUTE_RELOC (r_type
)
3952 || !SYMBOL_CALLS_LOCAL (info
, &hh
->eh
)))
3955 && hh
->eh
.dynindx
!= -1
3956 && !hh
->eh
.non_got_ref
3957 && ((ELIMINATE_COPY_RELOCS
3958 && hh
->eh
.def_dynamic
3959 && !hh
->eh
.def_regular
)
3960 || hh
->eh
.root
.type
== bfd_link_hash_undefweak
3961 || hh
->eh
.root
.type
== bfd_link_hash_undefined
)))
3963 Elf_Internal_Rela outrel
;
3968 /* When generating a shared object, these relocations
3969 are copied into the output file to be resolved at run
3972 outrel
.r_addend
= rela
->r_addend
;
3974 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3976 skip
= (outrel
.r_offset
== (bfd_vma
) -1
3977 || outrel
.r_offset
== (bfd_vma
) -2);
3978 outrel
.r_offset
+= (input_section
->output_offset
3979 + input_section
->output_section
->vma
);
3983 memset (&outrel
, 0, sizeof (outrel
));
3986 && hh
->eh
.dynindx
!= -1
3988 || !IS_ABSOLUTE_RELOC (r_type
)
3991 || !hh
->eh
.def_regular
))
3993 outrel
.r_info
= ELF32_R_INFO (hh
->eh
.dynindx
, r_type
);
3995 else /* It's a local symbol, or one marked to become local. */
3999 /* Add the absolute offset of the symbol. */
4000 outrel
.r_addend
+= relocation
;
4002 /* Global plabels need to be processed by the
4003 dynamic linker so that functions have at most one
4004 fptr. For this reason, we need to differentiate
4005 between global and local plabels, which we do by
4006 providing the function symbol for a global plabel
4007 reloc, and no symbol for local plabels. */
4010 && sym_sec
->output_section
!= NULL
4011 && ! bfd_is_abs_section (sym_sec
))
4015 osec
= sym_sec
->output_section
;
4016 indx
= elf_section_data (osec
)->dynindx
;
4019 osec
= htab
->etab
.text_index_section
;
4020 indx
= elf_section_data (osec
)->dynindx
;
4022 BFD_ASSERT (indx
!= 0);
4024 /* We are turning this relocation into one
4025 against a section symbol, so subtract out the
4026 output section's address but not the offset
4027 of the input section in the output section. */
4028 outrel
.r_addend
-= osec
->vma
;
4031 outrel
.r_info
= ELF32_R_INFO (indx
, r_type
);
4033 sreloc
= elf_section_data (input_section
)->sreloc
;
4037 loc
= sreloc
->contents
;
4038 loc
+= sreloc
->reloc_count
++ * sizeof (Elf32_External_Rela
);
4039 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
4043 case R_PARISC_TLS_LDM21L
:
4044 case R_PARISC_TLS_LDM14R
:
4048 off
= htab
->tls_ldm_got
.offset
;
4053 Elf_Internal_Rela outrel
;
4056 outrel
.r_offset
= (off
4057 + htab
->sgot
->output_section
->vma
4058 + htab
->sgot
->output_offset
);
4059 outrel
.r_addend
= 0;
4060 outrel
.r_info
= ELF32_R_INFO (0, R_PARISC_TLS_DTPMOD32
);
4061 loc
= htab
->srelgot
->contents
;
4062 loc
+= htab
->srelgot
->reloc_count
++ * sizeof (Elf32_External_Rela
);
4064 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
4065 htab
->tls_ldm_got
.offset
|= 1;
4068 /* Add the base of the GOT to the relocation value. */
4070 + htab
->sgot
->output_offset
4071 + htab
->sgot
->output_section
->vma
);
4076 case R_PARISC_TLS_LDO21L
:
4077 case R_PARISC_TLS_LDO14R
:
4078 relocation
-= dtpoff_base (info
);
4081 case R_PARISC_TLS_GD21L
:
4082 case R_PARISC_TLS_GD14R
:
4083 case R_PARISC_TLS_IE21L
:
4084 case R_PARISC_TLS_IE14R
:
4094 dyn
= htab
->etab
.dynamic_sections_created
;
4096 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, info
->shared
, &hh
->eh
)
4098 || !SYMBOL_REFERENCES_LOCAL (info
, &hh
->eh
)))
4100 indx
= hh
->eh
.dynindx
;
4102 off
= hh
->eh
.got
.offset
;
4103 tls_type
= hh
->tls_type
;
4107 off
= local_got_offsets
[r_symndx
];
4108 tls_type
= hppa_elf_local_got_tls_type (input_bfd
)[r_symndx
];
4111 if (tls_type
== GOT_UNKNOWN
)
4118 bfd_boolean need_relocs
= FALSE
;
4119 Elf_Internal_Rela outrel
;
4120 bfd_byte
*loc
= NULL
;
4123 /* The GOT entries have not been initialized yet. Do it
4124 now, and emit any relocations. If both an IE GOT and a
4125 GD GOT are necessary, we emit the GD first. */
4127 if ((info
->shared
|| indx
!= 0)
4129 || ELF_ST_VISIBILITY (hh
->eh
.other
) == STV_DEFAULT
4130 || hh
->eh
.root
.type
!= bfd_link_hash_undefweak
))
4133 loc
= htab
->srelgot
->contents
;
4134 /* FIXME (CAO): Should this be reloc_count++ ? */
4135 loc
+= htab
->srelgot
->reloc_count
* sizeof (Elf32_External_Rela
);
4138 if (tls_type
& GOT_TLS_GD
)
4142 outrel
.r_offset
= (cur_off
4143 + htab
->sgot
->output_section
->vma
4144 + htab
->sgot
->output_offset
);
4145 outrel
.r_info
= ELF32_R_INFO (indx
,R_PARISC_TLS_DTPMOD32
);
4146 outrel
.r_addend
= 0;
4147 bfd_put_32 (output_bfd
, 0, htab
->sgot
->contents
+ cur_off
);
4148 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
4149 htab
->srelgot
->reloc_count
++;
4150 loc
+= sizeof (Elf32_External_Rela
);
4153 bfd_put_32 (output_bfd
, relocation
- dtpoff_base (info
),
4154 htab
->sgot
->contents
+ cur_off
+ 4);
4157 bfd_put_32 (output_bfd
, 0,
4158 htab
->sgot
->contents
+ cur_off
+ 4);
4159 outrel
.r_info
= ELF32_R_INFO (indx
, R_PARISC_TLS_DTPOFF32
);
4160 outrel
.r_offset
+= 4;
4161 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,loc
);
4162 htab
->srelgot
->reloc_count
++;
4163 loc
+= sizeof (Elf32_External_Rela
);
4168 /* If we are not emitting relocations for a
4169 general dynamic reference, then we must be in a
4170 static link or an executable link with the
4171 symbol binding locally. Mark it as belonging
4172 to module 1, the executable. */
4173 bfd_put_32 (output_bfd
, 1,
4174 htab
->sgot
->contents
+ cur_off
);
4175 bfd_put_32 (output_bfd
, relocation
- dtpoff_base (info
),
4176 htab
->sgot
->contents
+ cur_off
+ 4);
4183 if (tls_type
& GOT_TLS_IE
)
4187 outrel
.r_offset
= (cur_off
4188 + htab
->sgot
->output_section
->vma
4189 + htab
->sgot
->output_offset
);
4190 outrel
.r_info
= ELF32_R_INFO (indx
, R_PARISC_TLS_TPREL32
);
4193 outrel
.r_addend
= relocation
- dtpoff_base (info
);
4195 outrel
.r_addend
= 0;
4197 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
, loc
);
4198 htab
->srelgot
->reloc_count
++;
4199 loc
+= sizeof (Elf32_External_Rela
);
4202 bfd_put_32 (output_bfd
, tpoff (info
, relocation
),
4203 htab
->sgot
->contents
+ cur_off
);
4209 hh
->eh
.got
.offset
|= 1;
4211 local_got_offsets
[r_symndx
] |= 1;
4214 if ((tls_type
& GOT_TLS_GD
)
4215 && r_type
!= R_PARISC_TLS_GD21L
4216 && r_type
!= R_PARISC_TLS_GD14R
)
4217 off
+= 2 * GOT_ENTRY_SIZE
;
4219 /* Add the base of the GOT to the relocation value. */
4221 + htab
->sgot
->output_offset
4222 + htab
->sgot
->output_section
->vma
);
4227 case R_PARISC_TLS_LE21L
:
4228 case R_PARISC_TLS_LE14R
:
4230 relocation
= tpoff (info
, relocation
);
4239 rstatus
= final_link_relocate (input_section
, contents
, rela
, relocation
,
4240 htab
, sym_sec
, hh
, info
);
4242 if (rstatus
== bfd_reloc_ok
)
4246 sym_name
= hh_name (hh
);
4249 sym_name
= bfd_elf_string_from_elf_section (input_bfd
,
4250 symtab_hdr
->sh_link
,
4252 if (sym_name
== NULL
)
4254 if (*sym_name
== '\0')
4255 sym_name
= bfd_section_name (input_bfd
, sym_sec
);
4258 howto
= elf_hppa_howto_table
+ r_type
;
4260 if (rstatus
== bfd_reloc_undefined
|| rstatus
== bfd_reloc_notsupported
)
4262 if (rstatus
== bfd_reloc_notsupported
|| !warned_undef
)
4264 (*_bfd_error_handler
)
4265 (_("%B(%A+0x%lx): cannot handle %s for %s"),
4268 (long) rela
->r_offset
,
4271 bfd_set_error (bfd_error_bad_value
);
4277 if (!((*info
->callbacks
->reloc_overflow
)
4278 (info
, (hh
? &hh
->eh
.root
: NULL
), sym_name
, howto
->name
,
4279 (bfd_vma
) 0, input_bfd
, input_section
, rela
->r_offset
)))
4287 /* Finish up dynamic symbol handling. We set the contents of various
4288 dynamic sections here. */
4291 elf32_hppa_finish_dynamic_symbol (bfd
*output_bfd
,
4292 struct bfd_link_info
*info
,
4293 struct elf_link_hash_entry
*eh
,
4294 Elf_Internal_Sym
*sym
)
4296 struct elf32_hppa_link_hash_table
*htab
;
4297 Elf_Internal_Rela rela
;
4300 htab
= hppa_link_hash_table (info
);
4302 if (eh
->plt
.offset
!= (bfd_vma
) -1)
4306 if (eh
->plt
.offset
& 1)
4309 /* This symbol has an entry in the procedure linkage table. Set
4312 The format of a plt entry is
4317 if (eh
->root
.type
== bfd_link_hash_defined
4318 || eh
->root
.type
== bfd_link_hash_defweak
)
4320 value
= eh
->root
.u
.def
.value
;
4321 if (eh
->root
.u
.def
.section
->output_section
!= NULL
)
4322 value
+= (eh
->root
.u
.def
.section
->output_offset
4323 + eh
->root
.u
.def
.section
->output_section
->vma
);
4326 /* Create a dynamic IPLT relocation for this entry. */
4327 rela
.r_offset
= (eh
->plt
.offset
4328 + htab
->splt
->output_offset
4329 + htab
->splt
->output_section
->vma
);
4330 if (eh
->dynindx
!= -1)
4332 rela
.r_info
= ELF32_R_INFO (eh
->dynindx
, R_PARISC_IPLT
);
4337 /* This symbol has been marked to become local, and is
4338 used by a plabel so must be kept in the .plt. */
4339 rela
.r_info
= ELF32_R_INFO (0, R_PARISC_IPLT
);
4340 rela
.r_addend
= value
;
4343 loc
= htab
->srelplt
->contents
;
4344 loc
+= htab
->srelplt
->reloc_count
++ * sizeof (Elf32_External_Rela
);
4345 bfd_elf32_swap_reloca_out (htab
->splt
->output_section
->owner
, &rela
, loc
);
4347 if (!eh
->def_regular
)
4349 /* Mark the symbol as undefined, rather than as defined in
4350 the .plt section. Leave the value alone. */
4351 sym
->st_shndx
= SHN_UNDEF
;
4355 if (eh
->got
.offset
!= (bfd_vma
) -1
4356 && (hppa_elf_hash_entry (eh
)->tls_type
& GOT_TLS_GD
) == 0
4357 && (hppa_elf_hash_entry (eh
)->tls_type
& GOT_TLS_IE
) == 0)
4359 /* This symbol has an entry in the global offset table. Set it
4362 rela
.r_offset
= ((eh
->got
.offset
&~ (bfd_vma
) 1)
4363 + htab
->sgot
->output_offset
4364 + htab
->sgot
->output_section
->vma
);
4366 /* If this is a -Bsymbolic link and the symbol is defined
4367 locally or was forced to be local because of a version file,
4368 we just want to emit a RELATIVE reloc. The entry in the
4369 global offset table will already have been initialized in the
4370 relocate_section function. */
4372 && (info
->symbolic
|| eh
->dynindx
== -1)
4375 rela
.r_info
= ELF32_R_INFO (0, R_PARISC_DIR32
);
4376 rela
.r_addend
= (eh
->root
.u
.def
.value
4377 + eh
->root
.u
.def
.section
->output_offset
4378 + eh
->root
.u
.def
.section
->output_section
->vma
);
4382 if ((eh
->got
.offset
& 1) != 0)
4385 bfd_put_32 (output_bfd
, 0, htab
->sgot
->contents
+ (eh
->got
.offset
& ~1));
4386 rela
.r_info
= ELF32_R_INFO (eh
->dynindx
, R_PARISC_DIR32
);
4390 loc
= htab
->srelgot
->contents
;
4391 loc
+= htab
->srelgot
->reloc_count
++ * sizeof (Elf32_External_Rela
);
4392 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4399 /* This symbol needs a copy reloc. Set it up. */
4401 if (! (eh
->dynindx
!= -1
4402 && (eh
->root
.type
== bfd_link_hash_defined
4403 || eh
->root
.type
== bfd_link_hash_defweak
)))
4406 sec
= htab
->srelbss
;
4408 rela
.r_offset
= (eh
->root
.u
.def
.value
4409 + eh
->root
.u
.def
.section
->output_offset
4410 + eh
->root
.u
.def
.section
->output_section
->vma
);
4412 rela
.r_info
= ELF32_R_INFO (eh
->dynindx
, R_PARISC_COPY
);
4413 loc
= sec
->contents
+ sec
->reloc_count
++ * sizeof (Elf32_External_Rela
);
4414 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4417 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
4418 if (eh_name (eh
)[0] == '_'
4419 && (strcmp (eh_name (eh
), "_DYNAMIC") == 0
4420 || eh
== htab
->etab
.hgot
))
4422 sym
->st_shndx
= SHN_ABS
;
4428 /* Used to decide how to sort relocs in an optimal manner for the
4429 dynamic linker, before writing them out. */
4431 static enum elf_reloc_type_class
4432 elf32_hppa_reloc_type_class (const Elf_Internal_Rela
*rela
)
4434 /* Handle TLS relocs first; we don't want them to be marked
4435 relative by the "if (ELF32_R_SYM (rela->r_info) == 0)"
4437 switch ((int) ELF32_R_TYPE (rela
->r_info
))
4439 case R_PARISC_TLS_DTPMOD32
:
4440 case R_PARISC_TLS_DTPOFF32
:
4441 case R_PARISC_TLS_TPREL32
:
4442 return reloc_class_normal
;
4445 if (ELF32_R_SYM (rela
->r_info
) == 0)
4446 return reloc_class_relative
;
4448 switch ((int) ELF32_R_TYPE (rela
->r_info
))
4451 return reloc_class_plt
;
4453 return reloc_class_copy
;
4455 return reloc_class_normal
;
4459 /* Finish up the dynamic sections. */
4462 elf32_hppa_finish_dynamic_sections (bfd
*output_bfd
,
4463 struct bfd_link_info
*info
)
4466 struct elf32_hppa_link_hash_table
*htab
;
4469 htab
= hppa_link_hash_table (info
);
4470 dynobj
= htab
->etab
.dynobj
;
4472 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
4474 if (htab
->etab
.dynamic_sections_created
)
4476 Elf32_External_Dyn
*dyncon
, *dynconend
;
4481 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
4482 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->size
);
4483 for (; dyncon
< dynconend
; dyncon
++)
4485 Elf_Internal_Dyn dyn
;
4488 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
4496 /* Use PLTGOT to set the GOT register. */
4497 dyn
.d_un
.d_ptr
= elf_gp (output_bfd
);
4502 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4507 dyn
.d_un
.d_val
= s
->size
;
4511 /* Don't count procedure linkage table relocs in the
4512 overall reloc count. */
4516 dyn
.d_un
.d_val
-= s
->size
;
4520 /* We may not be using the standard ELF linker script.
4521 If .rela.plt is the first .rela section, we adjust
4522 DT_RELA to not include it. */
4526 if (dyn
.d_un
.d_ptr
!= s
->output_section
->vma
+ s
->output_offset
)
4528 dyn
.d_un
.d_ptr
+= s
->size
;
4532 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4536 if (htab
->sgot
!= NULL
&& htab
->sgot
->size
!= 0)
4538 /* Fill in the first entry in the global offset table.
4539 We use it to point to our dynamic section, if we have one. */
4540 bfd_put_32 (output_bfd
,
4541 sdyn
? sdyn
->output_section
->vma
+ sdyn
->output_offset
: 0,
4542 htab
->sgot
->contents
);
4544 /* The second entry is reserved for use by the dynamic linker. */
4545 memset (htab
->sgot
->contents
+ GOT_ENTRY_SIZE
, 0, GOT_ENTRY_SIZE
);
4547 /* Set .got entry size. */
4548 elf_section_data (htab
->sgot
->output_section
)
4549 ->this_hdr
.sh_entsize
= GOT_ENTRY_SIZE
;
4552 if (htab
->splt
!= NULL
&& htab
->splt
->size
!= 0)
4554 /* Set plt entry size. */
4555 elf_section_data (htab
->splt
->output_section
)
4556 ->this_hdr
.sh_entsize
= PLT_ENTRY_SIZE
;
4558 if (htab
->need_plt_stub
)
4560 /* Set up the .plt stub. */
4561 memcpy (htab
->splt
->contents
4562 + htab
->splt
->size
- sizeof (plt_stub
),
4563 plt_stub
, sizeof (plt_stub
));
4565 if ((htab
->splt
->output_offset
4566 + htab
->splt
->output_section
->vma
4568 != (htab
->sgot
->output_offset
4569 + htab
->sgot
->output_section
->vma
))
4571 (*_bfd_error_handler
)
4572 (_(".got section not immediately after .plt section"));
4581 /* Called when writing out an object file to decide the type of a
4584 elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym
*elf_sym
, int type
)
4586 if (ELF_ST_TYPE (elf_sym
->st_info
) == STT_PARISC_MILLI
)
4587 return STT_PARISC_MILLI
;
4592 /* Misc BFD support code. */
4593 #define bfd_elf32_bfd_is_local_label_name elf_hppa_is_local_label_name
4594 #define bfd_elf32_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup
4595 #define bfd_elf32_bfd_reloc_name_lookup elf_hppa_reloc_name_lookup
4596 #define elf_info_to_howto elf_hppa_info_to_howto
4597 #define elf_info_to_howto_rel elf_hppa_info_to_howto_rel
4599 /* Stuff for the BFD linker. */
4600 #define bfd_elf32_mkobject elf32_hppa_mkobject
4601 #define bfd_elf32_bfd_final_link elf32_hppa_final_link
4602 #define bfd_elf32_bfd_link_hash_table_create elf32_hppa_link_hash_table_create
4603 #define bfd_elf32_bfd_link_hash_table_free elf32_hppa_link_hash_table_free
4604 #define elf_backend_adjust_dynamic_symbol elf32_hppa_adjust_dynamic_symbol
4605 #define elf_backend_copy_indirect_symbol elf32_hppa_copy_indirect_symbol
4606 #define elf_backend_check_relocs elf32_hppa_check_relocs
4607 #define elf_backend_create_dynamic_sections elf32_hppa_create_dynamic_sections
4608 #define elf_backend_fake_sections elf_hppa_fake_sections
4609 #define elf_backend_relocate_section elf32_hppa_relocate_section
4610 #define elf_backend_hide_symbol elf32_hppa_hide_symbol
4611 #define elf_backend_finish_dynamic_symbol elf32_hppa_finish_dynamic_symbol
4612 #define elf_backend_finish_dynamic_sections elf32_hppa_finish_dynamic_sections
4613 #define elf_backend_size_dynamic_sections elf32_hppa_size_dynamic_sections
4614 #define elf_backend_init_index_section _bfd_elf_init_1_index_section
4615 #define elf_backend_gc_mark_hook elf32_hppa_gc_mark_hook
4616 #define elf_backend_gc_sweep_hook elf32_hppa_gc_sweep_hook
4617 #define elf_backend_grok_prstatus elf32_hppa_grok_prstatus
4618 #define elf_backend_grok_psinfo elf32_hppa_grok_psinfo
4619 #define elf_backend_object_p elf32_hppa_object_p
4620 #define elf_backend_final_write_processing elf_hppa_final_write_processing
4621 #define elf_backend_post_process_headers _bfd_elf_set_osabi
4622 #define elf_backend_get_symbol_type elf32_hppa_elf_get_symbol_type
4623 #define elf_backend_reloc_type_class elf32_hppa_reloc_type_class
4624 #define elf_backend_action_discarded elf_hppa_action_discarded
4626 #define elf_backend_can_gc_sections 1
4627 #define elf_backend_can_refcount 1
4628 #define elf_backend_plt_alignment 2
4629 #define elf_backend_want_got_plt 0
4630 #define elf_backend_plt_readonly 0
4631 #define elf_backend_want_plt_sym 0
4632 #define elf_backend_got_header_size 8
4633 #define elf_backend_rela_normal 1
4635 #define TARGET_BIG_SYM bfd_elf32_hppa_vec
4636 #define TARGET_BIG_NAME "elf32-hppa"
4637 #define ELF_ARCH bfd_arch_hppa
4638 #define ELF_MACHINE_CODE EM_PARISC
4639 #define ELF_MAXPAGESIZE 0x1000
4640 #define ELF_OSABI ELFOSABI_HPUX
4641 #define elf32_bed elf32_hppa_hpux_bed
4643 #include "elf32-target.h"
4645 #undef TARGET_BIG_SYM
4646 #define TARGET_BIG_SYM bfd_elf32_hppa_linux_vec
4647 #undef TARGET_BIG_NAME
4648 #define TARGET_BIG_NAME "elf32-hppa-linux"
4650 #define ELF_OSABI ELFOSABI_LINUX
4652 #define elf32_bed elf32_hppa_linux_bed
4654 #include "elf32-target.h"
4656 #undef TARGET_BIG_SYM
4657 #define TARGET_BIG_SYM bfd_elf32_hppa_nbsd_vec
4658 #undef TARGET_BIG_NAME
4659 #define TARGET_BIG_NAME "elf32-hppa-netbsd"
4661 #define ELF_OSABI ELFOSABI_NETBSD
4663 #define elf32_bed elf32_hppa_netbsd_bed
4665 #include "elf32-target.h"