1 /* V850-specific support for 32-bit ELF
2 Copyright (C) 1996, 1997 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 /* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char
23 dependencies. As is the gas & simulator code or the v850. */
33 static reloc_howto_type *v850_elf_reloc_type_lookup
34 PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
35 static void v850_elf_info_to_howto_rel
36 PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
37 static bfd_reloc_status_type v850_elf_reloc
38 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
39 static boolean v850_elf_is_local_label_name PARAMS ((bfd *, const char *));
40 static boolean v850_elf_relocate_section PARAMS((bfd *,
41 struct bfd_link_info *,
48 /* Try to minimize the amount of space occupied by relocation tables
49 on the ROM (not that the ROM won't be swamped by other ELF overhead). */
52 /* Note: It is REQUIRED that the 'type' value of each entry in this array
53 match the index of the entry in the array. */
54 static reloc_howto_type v850_elf_howto_table[] =
56 /* This reloc does nothing. */
57 HOWTO (R_V850_NONE, /* type */
59 2, /* size (0 = byte, 1 = short, 2 = long) */
61 false, /* pc_relative */
63 complain_overflow_bitfield, /* complain_on_overflow */
64 bfd_elf_generic_reloc, /* special_function */
65 "R_V850_NONE", /* name */
66 false, /* partial_inplace */
69 false), /* pcrel_offset */
71 /* A PC relative 9 bit branch. */
72 HOWTO (R_V850_9_PCREL, /* type */
74 2, /* size (0 = byte, 1 = short, 2 = long) */
76 true, /* pc_relative */
78 complain_overflow_bitfield, /* complain_on_overflow */
79 v850_elf_reloc, /* special_function */
80 "R_V850_9_PCREL", /* name */
81 false, /* partial_inplace */
82 0x00ffffff, /* src_mask */
83 0x00ffffff, /* dst_mask */
84 true), /* pcrel_offset */
86 /* A PC relative 22 bit branch. */
87 HOWTO (R_V850_22_PCREL, /* type */
89 2, /* size (0 = byte, 1 = short, 2 = long) */
91 true, /* pc_relative */
93 complain_overflow_signed, /* complain_on_overflow */
94 v850_elf_reloc, /* special_function */
95 "R_V850_22_PCREL", /* name */
96 false, /* partial_inplace */
97 0x07ffff80, /* src_mask */
98 0x07ffff80, /* dst_mask */
99 true), /* pcrel_offset */
101 /* High 16 bits of symbol value. */
102 HOWTO (R_V850_HI16_S, /* type */
104 1, /* size (0 = byte, 1 = short, 2 = long) */
106 false, /* pc_relative */
108 complain_overflow_dont, /* complain_on_overflow */
109 v850_elf_reloc, /* special_function */
110 "R_V850_HI16_S", /* name */
111 true, /* partial_inplace */
112 0xffff, /* src_mask */
113 0xffff, /* dst_mask */
114 false), /* pcrel_offset */
116 /* High 16 bits of symbol value. */
117 HOWTO (R_V850_HI16, /* type */
119 1, /* size (0 = byte, 1 = short, 2 = long) */
121 false, /* pc_relative */
123 complain_overflow_dont, /* complain_on_overflow */
124 v850_elf_reloc, /* special_function */
125 "R_V850_HI16", /* name */
126 true, /* partial_inplace */
127 0xffff, /* src_mask */
128 0xffff, /* dst_mask */
129 false), /* pcrel_offset */
131 /* Low 16 bits of symbol value. */
132 HOWTO (R_V850_LO16, /* type */
134 1, /* size (0 = byte, 1 = short, 2 = long) */
136 false, /* pc_relative */
138 complain_overflow_dont, /* complain_on_overflow */
139 v850_elf_reloc, /* special_function */
140 "R_V850_LO16", /* name */
141 true, /* partial_inplace */
142 0xffff, /* src_mask */
143 0xffff, /* dst_mask */
144 false), /* pcrel_offset */
146 /* Simple 32bit reloc. */
147 HOWTO (R_V850_32, /* type */
149 2, /* size (0 = byte, 1 = short, 2 = long) */
151 false, /* pc_relative */
153 complain_overflow_dont, /* complain_on_overflow */
154 bfd_elf_generic_reloc, /* special_function */
155 "R_V850_32", /* name */
156 true, /* partial_inplace */
157 0xffffffff, /* src_mask */
158 0xffffffff, /* dst_mask */
159 false), /* pcrel_offset */
161 /* Simple 16bit reloc. */
162 HOWTO (R_V850_16, /* type */
164 1, /* size (0 = byte, 1 = short, 2 = long) */
166 false, /* pc_relative */
168 complain_overflow_dont, /* complain_on_overflow */
169 bfd_elf_generic_reloc, /* special_function */
170 "R_V850_16", /* name */
171 true, /* partial_inplace */
172 0xffff, /* src_mask */
173 0xffff, /* dst_mask */
174 false), /* pcrel_offset */
176 /* Simple 8bit reloc. */
177 HOWTO (R_V850_8, /* type */
179 0, /* size (0 = byte, 1 = short, 2 = long) */
181 false, /* pc_relative */
183 complain_overflow_dont, /* complain_on_overflow */
184 bfd_elf_generic_reloc, /* special_function */
185 "R_V850_8", /* name */
186 true, /* partial_inplace */
189 false), /* pcrel_offset */
191 /* 16 bit offset from the short data area pointer. */
192 HOWTO (R_V850_SDA_16_16_OFFSET, /* type */
194 1, /* size (0 = byte, 1 = short, 2 = long) */
196 false, /* pc_relative */
198 complain_overflow_dont, /* complain_on_overflow */
199 v850_elf_reloc, /* special_function */
200 "R_V850_SDA_16_16_OFFSET", /* name */
201 false, /* partial_inplace */
202 0xffff, /* src_mask */
203 0xffff, /* dst_mask */
204 false), /* pcrel_offset */
206 /* 15 bit offset from the short data area pointer. */
207 HOWTO (R_V850_SDA_15_16_OFFSET, /* type */
209 1, /* size (0 = byte, 1 = short, 2 = long) */
211 false, /* pc_relative */
213 complain_overflow_dont, /* complain_on_overflow */
214 v850_elf_reloc, /* special_function */
215 "R_V850_SDA_15_16_OFFSET", /* name */
216 false, /* partial_inplace */
217 0xfffe, /* src_mask */
218 0xfffe, /* dst_mask */
219 false), /* pcrel_offset */
221 /* 16 bit offset from the zero data area pointer. */
222 HOWTO (R_V850_ZDA_16_16_OFFSET, /* type */
224 1, /* size (0 = byte, 1 = short, 2 = long) */
226 false, /* pc_relative */
228 complain_overflow_dont, /* complain_on_overflow */
229 v850_elf_reloc, /* special_function */
230 "R_V850_ZDA_16_16_OFFSET", /* name */
231 false, /* partial_inplace */
232 0xffff, /* src_mask */
233 0xffff, /* dst_mask */
234 false), /* pcrel_offset */
236 /* 15 bit offset from the zero data area pointer. */
237 HOWTO (R_V850_ZDA_15_16_OFFSET, /* type */
239 1, /* size (0 = byte, 1 = short, 2 = long) */
241 false, /* pc_relative */
243 complain_overflow_dont, /* complain_on_overflow */
244 v850_elf_reloc, /* special_function */
245 "R_V850_ZDA_15_16_OFFSET", /* name */
246 false, /* partial_inplace */
247 0xfffe, /* src_mask */
248 0xfffe, /* dst_mask */
249 false), /* pcrel_offset */
251 /* 6 bit offset from the tiny data area pointer. */
252 HOWTO (R_V850_TDA_6_8_OFFSET, /* type */
254 1, /* size (0 = byte, 1 = short, 2 = long) */
256 false, /* pc_relative */
258 complain_overflow_dont, /* complain_on_overflow */
259 v850_elf_reloc, /* special_function */
260 "R_V850_TDA_6_8_OFFSET", /* name */
261 false, /* partial_inplace */
264 false), /* pcrel_offset */
266 /* 8 bit offset from the tiny data area pointer. */
267 HOWTO (R_V850_TDA_7_8_OFFSET, /* type */
269 1, /* size (0 = byte, 1 = short, 2 = long) */
271 false, /* pc_relative */
273 complain_overflow_dont, /* complain_on_overflow */
274 v850_elf_reloc, /* special_function */
275 "R_V850_TDA_7_8_OFFSET", /* name */
276 false, /* partial_inplace */
279 false), /* pcrel_offset */
281 /* 7 bit offset from the tiny data area pointer. */
282 HOWTO (R_V850_TDA_7_7_OFFSET, /* type */
284 1, /* size (0 = byte, 1 = short, 2 = long) */
286 false, /* pc_relative */
288 complain_overflow_dont, /* complain_on_overflow */
289 v850_elf_reloc, /* special_function */
290 "R_V850_TDA_7_7_OFFSET", /* name */
291 false, /* partial_inplace */
294 false), /* pcrel_offset */
296 /* start-sanitize-v850e */
298 /* 5 bit offset from the tiny data area pointer. */
299 HOWTO (R_V850_TDA_4_5_OFFSET, /* type */
301 1, /* size (0 = byte, 1 = short, 2 = long) */
303 false, /* pc_relative */
305 complain_overflow_dont, /* complain_on_overflow */
306 v850_elf_reloc, /* special_function */
307 "R_V850_TDA_4_5_OFFSET", /* name */
308 false, /* partial_inplace */
311 false), /* pcrel_offset */
313 /* 4 bit offset from the tiny data area pointer. */
314 HOWTO (R_V850_TDA_4_4_OFFSET, /* type */
316 1, /* size (0 = byte, 1 = short, 2 = long) */
318 false, /* pc_relative */
320 complain_overflow_dont, /* complain_on_overflow */
321 v850_elf_reloc, /* special_function */
322 "R_V850_TDA_4_4_OFFSET", /* name */
323 false, /* partial_inplace */
326 false), /* pcrel_offset */
328 /* 16 bit offset from the short data area pointer. */
329 HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* type */
331 2, /* size (0 = byte, 1 = short, 2 = long) */
333 false, /* pc_relative */
335 complain_overflow_dont, /* complain_on_overflow */
336 v850_elf_reloc, /* special_function */
337 "R_V850_SDA_16_16_SPLIT_OFFSET",/* name */
338 false, /* partial_inplace */
339 0xfffe0020, /* src_mask */
340 0xfffe0020, /* dst_mask */
341 false), /* pcrel_offset */
343 /* 16 bit offset from the zero data area pointer. */
344 HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* type */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
348 false, /* pc_relative */
350 complain_overflow_dont, /* complain_on_overflow */
351 v850_elf_reloc, /* special_function */
352 "R_V850_ZDA_16_16_SPLIT_OFFSET",/* name */
353 false, /* partial_inplace */
354 0xfffe0020, /* src_mask */
355 0xfffe0020, /* dst_mask */
356 false), /* pcrel_offset */
358 /* end-sanitize-v850e */
361 /* Map BFD reloc types to V850 ELF reloc types. */
363 struct v850_elf_reloc_map
365 unsigned char bfd_reloc_val;
366 unsigned char elf_reloc_val;
369 static const struct v850_elf_reloc_map v850_elf_reloc_map[] =
371 { BFD_RELOC_NONE, R_V850_NONE },
372 { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL },
373 { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL },
374 { BFD_RELOC_HI16_S, R_V850_HI16_S },
375 { BFD_RELOC_HI16, R_V850_HI16 },
376 { BFD_RELOC_LO16, R_V850_LO16 },
377 { BFD_RELOC_32, R_V850_32 },
378 { BFD_RELOC_16, R_V850_16 },
379 { BFD_RELOC_8, R_V850_8 },
380 { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET },
381 { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET },
382 { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET },
383 { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET },
384 { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET },
385 { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET },
386 { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET },
387 /* start-sanitize-v850e */
388 { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET },
389 { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET },
390 { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET },
391 { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET },
392 /* end-sanitize-v850e */
396 /* Map a bfd relocation into the appropriate howto structure */
397 static reloc_howto_type *
398 v850_elf_reloc_type_lookup (abfd, code)
400 bfd_reloc_code_real_type code;
405 i < sizeof (v850_elf_reloc_map) / sizeof (struct v850_elf_reloc_map);
408 if (v850_elf_reloc_map[i].bfd_reloc_val == code)
410 BFD_ASSERT (v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val].type == v850_elf_reloc_map[i].elf_reloc_val);
412 return & v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val];
420 /* Set the howto pointer for an V850 ELF reloc. */
422 v850_elf_info_to_howto_rel (abfd, cache_ptr, dst)
425 Elf32_Internal_Rel *dst;
429 r_type = ELF32_R_TYPE (dst->r_info);
430 BFD_ASSERT (r_type < (unsigned int) R_V850_max);
431 cache_ptr->howto = &v850_elf_howto_table[r_type];
435 /* Look through the relocs for a section during the first phase, and
436 allocate space in the global offset table or procedure linkage
440 v850_elf_check_relocs (abfd, info, sec, relocs)
442 struct bfd_link_info *info;
444 const Elf_Internal_Rela *relocs;
448 Elf_Internal_Shdr *symtab_hdr;
449 struct elf_link_hash_entry **sym_hashes;
450 const Elf_Internal_Rela *rel;
451 const Elf_Internal_Rela *rel_end;
453 enum reloc_type r_type;
455 const char *common = (const char *)0;
457 if (info->relocateable)
461 fprintf (stderr, "v850_elf_check_relocs called for section %s in %s\n",
462 bfd_get_section_name (abfd, sec),
463 bfd_get_filename (abfd));
466 dynobj = elf_hash_table (info)->dynobj;
467 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
468 sym_hashes = elf_sym_hashes (abfd);
471 rel_end = relocs + sec->reloc_count;
472 for (rel = relocs; rel < rel_end; rel++)
474 unsigned long r_symndx;
475 struct elf_link_hash_entry *h;
477 r_symndx = ELF32_R_SYM (rel->r_info);
478 if (r_symndx < symtab_hdr->sh_info)
481 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
483 r_type = (enum reloc_type) ELF32_R_TYPE (rel->r_info);
489 case R_V850_22_PCREL:
498 /* start-sanitize-v850e */
499 case R_V850_SDA_16_16_SPLIT_OFFSET:
500 /* end-sanitize-v850e */
501 case R_V850_SDA_16_16_OFFSET:
502 case R_V850_SDA_15_16_OFFSET:
503 other = V850_OTHER_SDA;
505 goto small_data_common;
507 /* start-sanitize-v850e */
508 case R_V850_ZDA_16_16_SPLIT_OFFSET:
509 /* end-sanitize-v850e */
510 case R_V850_ZDA_16_16_OFFSET:
511 case R_V850_ZDA_15_16_OFFSET:
512 other = V850_OTHER_ZDA;
514 goto small_data_common;
516 /* start-sanitize-v850e */
517 case R_V850_TDA_4_5_OFFSET:
518 case R_V850_TDA_4_4_OFFSET:
519 /* end-sanitize-v850e */
520 case R_V850_TDA_6_8_OFFSET:
521 case R_V850_TDA_7_8_OFFSET:
522 case R_V850_TDA_7_7_OFFSET:
523 other = V850_OTHER_TDA;
527 #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA)
532 h->other |= other; /* flag which type of relocation was used */
533 if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK)
534 && (h->other & V850_OTHER_ERROR) == 0)
538 switch (h->other & V850_OTHER_MASK)
541 msg = "Variable cannot occupy in multiple small data regions";
543 case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA:
544 msg = "Variable can only be in one of the small, zero, and tiny data regions";
546 case V850_OTHER_SDA | V850_OTHER_ZDA:
547 msg = "Variable cannot be in both small and zero data regions simultaneously";
549 case V850_OTHER_SDA | V850_OTHER_TDA:
550 msg = "Variable cannot be in both small and tiny data regions simultaneously";
552 case V850_OTHER_ZDA | V850_OTHER_TDA:
553 msg = "Variable cannot be in both zero and tiny data regions simultaneously";
557 (*info->callbacks->warning) (info, msg, h->root.root.string,
558 abfd, h->root.u.def.section, 0);
560 bfd_set_error (bfd_error_bad_value);
561 h->other |= V850_OTHER_ERROR;
566 if (h && h->root.type == bfd_link_hash_common
568 && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON"))
570 asection *section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common);
571 section->flags |= SEC_IS_COMMON;
575 fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n",
576 v850_elf_howto_table[ (int)r_type ].name,
577 (h && h->root.root.string) ? h->root.root.string : "<unknown>",
578 (h->root.type == bfd_link_hash_common) ? ", symbol is common" : "");
588 /* Insert the addend into the instruction. */
589 static bfd_reloc_status_type
590 v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err)
603 /* If there is an output BFD,
604 and the symbol is not a section name (which is only defined at final link time),
605 and either we are not putting the addend into the instruction
606 or the addend is zero, so there is nothing to add into the instruction
607 then just fixup the address and return. */
608 if (obfd != (bfd *) NULL
609 && (symbol->flags & BSF_SECTION_SYM) == 0
610 && (! reloc->howto->partial_inplace
611 || reloc->addend == 0))
613 reloc->address += isection->output_offset;
617 else if (obfd != NULL)
619 return bfd_reloc_continue;
623 /* Catch relocs involving undefined symbols. */
624 if (bfd_is_und_section (symbol->section)
625 && (symbol->flags & BSF_WEAK) == 0
627 return bfd_reloc_undefined;
629 /* We handle final linking of some relocs ourselves. */
631 /* Is the address of the relocation really within the section? */
632 if (reloc->address > isection->_cooked_size)
633 return bfd_reloc_outofrange;
635 /* Work out which section the relocation is targetted at and the
636 initial relocation command value. */
638 /* Get symbol value. (Common symbols are special.) */
639 if (bfd_is_com_section (symbol->section))
642 relocation = symbol->value;
644 /* Convert input-section-relative symbol value to absolute + addend. */
645 relocation += symbol->section->output_section->vma;
646 relocation += symbol->section->output_offset;
647 relocation += reloc->addend;
649 if (reloc->howto->pc_relative == true)
651 /* Here the variable relocation holds the final address of the
652 symbol we are relocating against, plus any addend. */
653 relocation -= isection->output_section->vma + isection->output_offset;
655 /* Deal with pcrel_offset */
656 relocation -= reloc->address;
659 /* I've got no clue... */
662 switch (reloc->howto->type)
665 /* fprintf (stderr, "reloc type %d not SUPPORTED\n", reloc->howto->type ); */
666 return bfd_reloc_notsupported;
668 case R_V850_22_PCREL:
669 if (relocation > 0x1ffff || relocation < -0x200000)
670 return bfd_reloc_overflow;
672 if ((relocation % 2) != 0)
673 return bfd_reloc_dangerous;
675 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address);
677 insn |= (((relocation & 0xfffe) << 16)
678 | ((relocation & 0x3f0000) >> 16));
679 bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address);
683 if (relocation > 0xff || relocation < -0x100)
684 return bfd_reloc_overflow;
686 if ((relocation % 2) != 0)
687 return bfd_reloc_dangerous;
689 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
691 insn |= ((relocation & 0x1f0) << 7) | ((relocation & 0x0e) << 3);
692 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
696 relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
697 relocation = (relocation >> 16) + ((relocation & 0x8000) != 0);
698 bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
702 relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
703 relocation = (relocation >> 16);
704 bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
708 relocation += (short)bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
709 /* Do not complain if value has top bit set, as this has been anticipated. */
710 if ((unsigned long)relocation > 0xffff)
711 return bfd_reloc_overflow;
712 bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
716 relocation += (short)bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
719 case R_V850_SDA_16_16_OFFSET:
720 case R_V850_ZDA_16_16_OFFSET:
721 if ((long)relocation > 0x7fff || (long)relocation < -0x8000)
722 return bfd_reloc_overflow;
723 bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
726 case R_V850_SDA_15_16_OFFSET:
727 case R_V850_ZDA_15_16_OFFSET:
728 if ((long)relocation > 0x7ffe || (long)relocation < -0x8000)
729 return bfd_reloc_overflow;
732 return bfd_reloc_dangerous;
734 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
736 insn |= (relocation >> 1) & ~1;
738 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
741 case R_V850_TDA_6_8_OFFSET:
742 if ((long) relocation > 0xfc || (long) relocation < 0)
743 return bfd_reloc_overflow;
746 return bfd_reloc_dangerous;
748 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
750 insn |= (relocation >> 1);
752 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
755 case R_V850_TDA_7_8_OFFSET:
756 if ((long) relocation > 0xfe || (long) relocation < 0)
757 return bfd_reloc_overflow;
760 return bfd_reloc_dangerous;
762 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
764 insn |= (relocation >> 1);
766 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
769 case R_V850_TDA_7_7_OFFSET:
770 if ((long) relocation > 0x7f || (long) relocation < 0)
771 return bfd_reloc_overflow;
773 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
777 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
780 /* start-sanitize-v850e */
781 case R_V850_TDA_4_5_OFFSET:
782 if ((long) relocation > 0x1e || (long) relocation < 0)
783 return bfd_reloc_overflow;
786 return bfd_reloc_dangerous;
788 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
790 insn |= (relocation >> 1);
792 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
795 case R_V850_TDA_4_4_OFFSET:
796 if ((long) relocation > 0xf || (long) relocation < 0)
797 return bfd_reloc_overflow;
799 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
803 bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
806 case R_V850_ZDA_16_16_SPLIT_OFFSET:
807 case R_V850_SDA_16_16_SPLIT_OFFSET:
808 if ((long) relocation > 0xffff || (long) relocation < 0)
809 return bfd_reloc_overflow;
811 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address);
814 insn |= (relocation & 1) << 5;
815 insn |= (relocation & ~1) << 16;
817 bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address);
819 /* end-sanitize-v850e */
822 return bfd_reloc_continue;
828 v850_elf_is_local_label_name (abfd, name)
832 return ((name[0] == '.' && (name[1] == 'L' || name[1] == '.'))
833 || (name[0] == '_' && name[1] == '.' && name[2] == 'L'
838 /* Perform a relocation as part of a final link. */
839 static bfd_reloc_status_type
840 v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
841 input_section, contents, offset, value,
842 addend, info, sym_sec, is_local)
843 reloc_howto_type * howto;
846 asection * input_section;
851 struct bfd_link_info * info;
856 unsigned long r_type = howto->type;
857 bfd_byte * hit_data = contents + offset;
862 value -= (input_section->output_section->vma
863 + input_section->output_offset);
866 if ((long)value > 0xff || (long)value < -0x100)
867 return bfd_reloc_overflow;
869 if ((value % 2) != 0)
870 return bfd_reloc_dangerous;
872 insn = bfd_get_16 (input_bfd, hit_data);
874 insn |= ((value & 0x1f0) << 7) | ((value & 0x0e) << 3);
875 bfd_put_16 (input_bfd, insn, hit_data);
878 case R_V850_22_PCREL:
879 value -= (input_section->output_section->vma
880 + input_section->output_offset);
883 if ((long)value > 0x1ffff || (long)value < -0x200000)
884 return bfd_reloc_overflow;
886 if ((value % 2) != 0)
887 return bfd_reloc_dangerous;
889 insn = bfd_get_32 (input_bfd, hit_data);
891 insn |= (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16));
892 bfd_put_32 (input_bfd, insn, hit_data);
896 value += (short)bfd_get_16 (input_bfd, hit_data);
897 value = (value >> 16) + ((value & 0x8000) != 0);
899 if ((long)value > 0x7fff || (long)value < -0x8000)
900 return bfd_reloc_overflow;
902 bfd_put_16 (input_bfd, value, hit_data);
906 value += (short)bfd_get_16 (input_bfd, hit_data);
909 if ((long)value > 0x7fff || (long)value < -0x8000)
910 return bfd_reloc_overflow;
912 bfd_put_16 (input_bfd, value, hit_data);
916 value += (short)bfd_get_16 (input_bfd, hit_data);
919 bfd_put_16 (input_bfd, value, hit_data);
923 value += (short) bfd_get_16 (input_bfd, hit_data);
925 if ((long) value > 0x7fff || (long) value < -0x8000)
926 return bfd_reloc_overflow;
928 bfd_put_16 (input_bfd, value, hit_data);
931 case R_V850_ZDA_16_16_OFFSET:
932 value -= sym_sec->output_section->vma;
933 value += (short) bfd_get_16 (input_bfd, hit_data);
935 if ((long) value > 0x7fff || (long) value < -0x8000)
936 return bfd_reloc_overflow;
938 bfd_put_16 (input_bfd, value, hit_data);
941 case R_V850_ZDA_15_16_OFFSET:
942 insn = bfd_get_16 (input_bfd, hit_data);
944 value -= sym_sec->output_section->vma;
945 value += ((insn & 0xfffe) << 1);
947 if ((long) value > 0x7ffe || (long) value < -0x8000)
948 return bfd_reloc_overflow;
953 bfd_put_16 (input_bfd, value, hit_data);
957 value += bfd_get_32 (input_bfd, hit_data);
958 bfd_put_32 (input_bfd, value, hit_data);
962 value += (char)bfd_get_8 (input_bfd, hit_data);
964 if ((long)value > 0x7f || (long)value < -0x80)
965 return bfd_reloc_overflow;
967 bfd_put_8 (input_bfd, value, hit_data);
970 case R_V850_SDA_16_16_OFFSET:
973 struct bfd_link_hash_entry * h;
975 /* Get the value of __gp. */
976 h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true);
977 if (h == (struct bfd_link_hash_entry *) NULL
978 || h->type != bfd_link_hash_defined)
979 return bfd_reloc_other;
982 + h->u.def.section->output_section->vma
983 + h->u.def.section->output_offset);
985 value -= sym_sec->output_section->vma;
986 value -= (gp - sym_sec->output_section->vma);
987 value += (short) bfd_get_16 (input_bfd, hit_data);
989 if ((long)value > 0x7fff || (long)value < -0x8000)
990 return bfd_reloc_overflow;
992 bfd_put_16 (input_bfd, value, hit_data);
996 case R_V850_SDA_15_16_OFFSET:
999 struct bfd_link_hash_entry * h;
1001 /* Get the value of __gp. */
1002 h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true);
1003 if (h == (struct bfd_link_hash_entry *) NULL
1004 || h->type != bfd_link_hash_defined)
1005 return bfd_reloc_other;
1007 gp = (h->u.def.value
1008 + h->u.def.section->output_section->vma
1009 + h->u.def.section->output_offset);
1011 value -= sym_sec->output_section->vma;
1012 value -= (gp - sym_sec->output_section->vma);
1014 insn = bfd_get_16 (input_bfd, hit_data);
1016 value += ((insn & 0xfffe) << 1);
1018 if ((long)value > 0x7ffe || (long)value < -0x8000)
1019 return bfd_reloc_overflow;
1022 value |= (insn & 1);
1024 bfd_put_16 (input_bfd, value, hit_data);
1025 return bfd_reloc_ok;
1028 case R_V850_TDA_6_8_OFFSET:
1031 struct bfd_link_hash_entry * h;
1033 insn = bfd_get_16 (input_bfd, hit_data);
1035 /* Get the value of __ep. */
1036 h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
1037 if (h == (struct bfd_link_hash_entry *) NULL
1038 || h->type != bfd_link_hash_defined)
1039 return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */
1041 ep = (h->u.def.value
1042 + h->u.def.section->output_section->vma
1043 + h->u.def.section->output_offset);
1046 value += ((insn & 0x7e) << 2);
1048 if ((long) value > 0xfc || (long) value < 0)
1049 return bfd_reloc_overflow;
1051 if ((value % 2) != 0)
1052 return bfd_reloc_dangerous;
1055 insn |= (value >> 1);
1057 bfd_put_16 (input_bfd, insn, hit_data);
1058 return bfd_reloc_ok;
1061 case R_V850_TDA_7_8_OFFSET:
1064 struct bfd_link_hash_entry * h;
1066 insn = bfd_get_16 (input_bfd, hit_data);
1068 /* Get the value of __ep. */
1069 h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
1070 if (h == (struct bfd_link_hash_entry *) NULL
1071 || h->type != bfd_link_hash_defined)
1072 return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */
1074 ep = (h->u.def.value
1075 + h->u.def.section->output_section->vma
1076 + h->u.def.section->output_offset);
1079 value += ((insn & 0x7f) << 1);
1081 if ((long) value > 0xfe || (long) value < 0)
1082 return bfd_reloc_overflow;
1085 insn |= (value >> 1);
1087 bfd_put_16 (input_bfd, insn, hit_data);
1088 return bfd_reloc_ok;
1091 case R_V850_TDA_7_7_OFFSET:
1094 struct bfd_link_hash_entry * h;
1096 insn = bfd_get_16 (input_bfd, hit_data);
1098 /* Get the value of __ep. */
1099 h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
1100 if (h == (struct bfd_link_hash_entry *) NULL
1101 || h->type != bfd_link_hash_defined)
1102 return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */
1104 ep = (h->u.def.value
1105 + h->u.def.section->output_section->vma
1106 + h->u.def.section->output_offset);
1109 value += insn & 0x7f;
1111 if ((long) value > 0x7f || (long) value < 0)
1112 return bfd_reloc_overflow;
1116 bfd_put_16 (input_bfd, insn, hit_data);
1117 return bfd_reloc_ok;
1120 /* start-sanitize-v850e */
1121 case R_V850_TDA_4_5_OFFSET:
1124 struct bfd_link_hash_entry * h;
1126 /* Get the value of __ep. */
1127 h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
1128 if (h == (struct bfd_link_hash_entry *) NULL
1129 || h->type != bfd_link_hash_defined)
1130 return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */
1132 ep = (h->u.def.value
1133 + h->u.def.section->output_section->vma
1134 + h->u.def.section->output_offset);
1137 insn = bfd_get_16 (input_bfd, hit_data);
1139 value += ((insn & 0xf) << 1);
1141 if ((long) value > 0x1e || (long) value < 0)
1142 return bfd_reloc_overflow;
1145 insn |= (value >> 1);
1146 bfd_put_16 (input_bfd, insn, hit_data);
1147 return bfd_reloc_ok;
1150 case R_V850_TDA_4_4_OFFSET:
1153 struct bfd_link_hash_entry * h;
1155 /* Get the value of __ep. */
1156 h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true);
1157 if (h == (struct bfd_link_hash_entry *) NULL
1158 || h->type != bfd_link_hash_defined)
1159 return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */
1161 ep = (h->u.def.value
1162 + h->u.def.section->output_section->vma
1163 + h->u.def.section->output_offset);
1166 insn = bfd_get_16 (input_bfd, hit_data);
1168 value += insn & 0xf;
1170 if ((long) value > 0xf || (long) value < 0)
1171 return bfd_reloc_overflow;
1175 bfd_put_16 (input_bfd, insn, hit_data);
1176 return bfd_reloc_ok;
1179 case R_V850_SDA_16_16_SPLIT_OFFSET:
1182 struct bfd_link_hash_entry * h;
1184 /* Get the value of __gp. */
1185 h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true);
1186 if (h == (struct bfd_link_hash_entry *) NULL
1187 || h->type != bfd_link_hash_defined)
1188 return bfd_reloc_other;
1190 gp = (h->u.def.value
1191 + h->u.def.section->output_section->vma
1192 + h->u.def.section->output_offset);
1194 value -= sym_sec->output_section->vma;
1195 value -= (gp - sym_sec->output_section->vma);
1197 insn = bfd_get_32 (input_bfd, hit_data);
1199 value += ((insn & 0xfffe0000) >> 16);
1200 value += ((insn & 0x20) >> 5);
1202 if ((long)value > 0x7fff || (long)value < -0x8000)
1203 return bfd_reloc_overflow;
1206 insn |= (value & 1) << 5;
1207 insn |= (value & ~1) << 16;
1209 bfd_put_32 (input_bfd, insn, hit_data);
1210 return bfd_reloc_ok;
1213 case R_V850_ZDA_16_16_SPLIT_OFFSET:
1214 insn = bfd_get_32 (input_bfd, hit_data);
1216 value -= sym_sec->output_section->vma;
1217 value += ((insn & 0xfffe0000) >> 16);
1218 value += ((insn & 0x20) >> 5);
1220 if ((long)value > 0x7fff || (long)value < -0x8000)
1221 return bfd_reloc_overflow;
1224 insn |= (value & 1) << 5;
1225 insn |= (value & ~1) << 16;
1227 bfd_put_32 (input_bfd, insn, hit_data);
1228 return bfd_reloc_ok;
1230 /* end-sanitize-v850e */
1234 return bfd_reloc_ok;
1237 return bfd_reloc_notsupported;
1242 /* Relocate an V850 ELF section. */
1244 v850_elf_relocate_section (output_bfd, info, input_bfd, input_section,
1245 contents, relocs, local_syms, local_sections)
1247 struct bfd_link_info * info;
1249 asection * input_section;
1250 bfd_byte * contents;
1251 Elf_Internal_Rela * relocs;
1252 Elf_Internal_Sym * local_syms;
1253 asection ** local_sections;
1255 Elf_Internal_Shdr * symtab_hdr;
1256 struct elf_link_hash_entry ** sym_hashes;
1257 Elf_Internal_Rela * rel;
1258 Elf_Internal_Rela * relend;
1260 symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
1261 sym_hashes = elf_sym_hashes (input_bfd);
1264 relend = relocs + input_section->reloc_count;
1265 for (; rel < relend; rel++)
1268 reloc_howto_type * howto;
1269 unsigned long r_symndx;
1270 Elf_Internal_Sym * sym;
1272 struct elf_link_hash_entry * h;
1274 bfd_reloc_status_type r;
1276 r_symndx = ELF32_R_SYM (rel->r_info);
1277 r_type = ELF32_R_TYPE (rel->r_info);
1278 howto = v850_elf_howto_table + r_type;
1280 if (info->relocateable)
1282 /* This is a relocateable link. We don't have to change
1283 anything, unless the reloc is against a section symbol,
1284 in which case we have to adjust according to where the
1285 section symbol winds up in the output section. */
1286 if (r_symndx < symtab_hdr->sh_info)
1288 sym = local_syms + r_symndx;
1289 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1291 sec = local_sections[r_symndx];
1292 rel->r_addend += sec->output_offset + sym->st_value;
1299 /* This is a final link. */
1303 if (r_symndx < symtab_hdr->sh_info)
1305 sym = local_syms + r_symndx;
1306 sec = local_sections[r_symndx];
1307 relocation = (sec->output_section->vma
1308 + sec->output_offset
1313 name = bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name);
1314 name = (name == NULL) ? "<none>" : name;
1315 fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x rel %x\n", sec->name, name, sym->st_name,
1316 sec->output_section->vma, sec->output_offset, sym->st_value, rel->r_addend, rel);
1322 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1324 while (h->root.type == bfd_link_hash_indirect
1325 || h->root.type == bfd_link_hash_warning)
1326 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1328 if (h->root.type == bfd_link_hash_defined
1329 || h->root.type == bfd_link_hash_defweak)
1331 sec = h->root.u.def.section;
1332 relocation = (h->root.u.def.value
1333 + sec->output_section->vma
1334 + sec->output_offset);
1336 else if (h->root.type == bfd_link_hash_undefweak)
1340 if (! ((*info->callbacks->undefined_symbol)
1341 (info, h->root.root.string, input_bfd,
1342 input_section, rel->r_offset)))
1348 /* FIXME: We should use the addend, but the COFF relocations
1350 r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd,
1352 contents, rel->r_offset,
1353 relocation, rel->r_addend,
1354 info, sec, h == NULL);
1356 if (r != bfd_reloc_ok)
1359 const char * msg = (const char *)0;
1362 name = h->root.root.string;
1365 name = (bfd_elf_string_from_elf_section
1366 (input_bfd, symtab_hdr->sh_link, sym->st_name));
1367 if (name == NULL || *name == '\0')
1368 name = bfd_section_name (input_bfd, sec);
1373 case bfd_reloc_overflow:
1374 if (! ((*info->callbacks->reloc_overflow)
1375 (info, name, howto->name, (bfd_vma) 0,
1376 input_bfd, input_section, rel->r_offset)))
1380 case bfd_reloc_undefined:
1381 fprintf (stderr, "undef2 %s\n", name );
1382 if (! ((*info->callbacks->undefined_symbol)
1383 (info, name, input_bfd, input_section,
1388 case bfd_reloc_outofrange:
1389 msg = "internal error: out of range error";
1392 case bfd_reloc_notsupported:
1393 msg = "internal error: unsupported relocation error";
1396 case bfd_reloc_dangerous:
1397 msg = "internal error: dangerous relocation";
1400 case bfd_reloc_other:
1401 msg = "could not locate special linker symbol __gp";
1404 case bfd_reloc_continue:
1405 msg = "could not locate special linker symbol __ep";
1409 msg = "internal error: unknown error";
1413 if (!((*info->callbacks->warning)
1414 (info, msg, name, input_bfd, input_section,
1425 /* Set the right machine number. */
1427 v850_elf_object_p (abfd)
1430 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
1433 case E_V850_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, 0); break;
1434 /* start-sanitize-v850e */
1435 case E_V850E_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e); break;
1436 /* end-sanitize-v850e */
1437 /* start-sanitize-v850eq */
1438 case E_V850EQ_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850eq); break;
1439 /* start-sanitize-v850eq */
1443 /* Store the machine number in the flags field. */
1445 v850_elf_final_write_processing (abfd, linker)
1451 switch (bfd_get_mach (abfd))
1454 case 0: val = E_V850_ARCH; break;
1455 /* start-sanitize-v850e */
1456 case bfd_mach_v850e: val = E_V850E_ARCH; break;
1457 /* end-sanitize-v850e */
1458 /* start-sanitize-v850eq */
1459 case bfd_mach_v850eq: val = E_V850EQ_ARCH; break;
1460 /* end-sanitize-v850eq */
1463 elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH;
1464 elf_elfheader (abfd)->e_flags |= val;
1467 /* Function to keep V850 specific file flags. */
1469 v850_elf_set_private_flags (abfd, flags)
1473 BFD_ASSERT (!elf_flags_init (abfd)
1474 || elf_elfheader (abfd)->e_flags == flags);
1476 elf_elfheader (abfd)->e_flags = flags;
1477 elf_flags_init (abfd) = true;
1481 /* Copy backend specific data from one object module to another */
1483 v850_elf_copy_private_bfd_data (ibfd, obfd)
1487 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
1488 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
1491 BFD_ASSERT (!elf_flags_init (obfd)
1492 || (elf_elfheader (obfd)->e_flags
1493 == elf_elfheader (ibfd)->e_flags));
1495 elf_gp (obfd) = elf_gp (ibfd);
1496 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
1497 elf_flags_init (obfd) = true;
1501 /* Merge backend specific data from an object file to the output
1502 object file when linking. */
1504 v850_elf_merge_private_bfd_data (ibfd, obfd)
1511 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
1512 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
1515 new_flags = elf_elfheader (ibfd)->e_flags;
1516 old_flags = elf_elfheader (obfd)->e_flags;
1518 if (! elf_flags_init (obfd))
1520 elf_flags_init (obfd) = true;
1521 elf_elfheader (obfd)->e_flags = new_flags;
1523 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
1524 && bfd_get_arch_info (obfd)->the_default)
1526 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
1532 /* Check flag compatibility. */
1534 if (new_flags == old_flags)
1537 if ((new_flags & EF_V850_ARCH) != (old_flags & EF_V850_ARCH))
1539 _bfd_error_handler ("%s: Architecture mismatch with previous modules",
1540 bfd_get_filename (ibfd));
1541 bfd_set_error (bfd_error_bad_value);
1547 /* Display the flags field */
1550 v850_elf_print_private_bfd_data (abfd, ptr)
1554 FILE * file = (FILE *) ptr;
1556 BFD_ASSERT (abfd != NULL && ptr != NULL)
1558 fprintf (file, "private flags = %x", elf_elfheader (abfd)->e_flags);
1560 switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH)
1563 case E_V850_ARCH: fprintf (file, ": v850 architecture"); break;
1564 /* start-sanitize-v850e */
1565 case E_V850E_ARCH: fprintf (file, ": v850e architecture"); break;
1566 /* end-sanitize-v850e */
1567 /* start-sanitize-v850eq */
1568 case E_V850EQ_ARCH: fprintf (file, ": v850eq architecture"); break;
1569 /* end-sanitize-v850eq */
1577 #define TARGET_LITTLE_SYM bfd_elf32_v850_vec
1578 #define TARGET_LITTLE_NAME "elf32-v850"
1579 #define ELF_ARCH bfd_arch_v850
1580 #define ELF_MACHINE_CODE EM_CYGNUS_V850
1581 #define ELF_MAXPAGESIZE 0x1000
1583 #define elf_info_to_howto 0
1584 #define elf_info_to_howto_rel v850_elf_info_to_howto_rel
1585 #define elf_backend_check_relocs v850_elf_check_relocs
1586 #define elf_backend_relocate_section v850_elf_relocate_section
1587 #define elf_backend_object_p v850_elf_object_p
1588 #define elf_backend_final_write_processing v850_elf_final_write_processing
1589 #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name
1590 #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup
1591 #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data
1592 #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data
1593 #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags
1594 #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data
1596 #define elf_symbol_leading_char '_'
1598 #include "elf32-target.h"