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- /* Ubicom IP2xxx specific support for 32-bit ELF
- Copyright (C) 2000-2022 Free Software Foundation, Inc.
- This file is part of BFD, the Binary File Descriptor library.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
- #include "sysdep.h"
- #include "bfd.h"
- #include "libbfd.h"
- #include "elf-bfd.h"
- #include "elf/ip2k.h"
- /* Struct used to pass miscellaneous paramaters which
- helps to avoid overly long parameter lists. */
- struct misc
- {
- Elf_Internal_Shdr * symtab_hdr;
- Elf_Internal_Rela * irelbase;
- bfd_byte * contents;
- Elf_Internal_Sym * isymbuf;
- };
- struct ip2k_opcode
- {
- unsigned short opcode;
- unsigned short mask;
- };
- static bool ip2k_relaxed = false;
- static const struct ip2k_opcode ip2k_page_opcode[] =
- {
- {0x0010, 0xFFF8}, /* Page. */
- {0x0000, 0x0000},
- };
- #define IS_PAGE_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_page_opcode)
- static const struct ip2k_opcode ip2k_jmp_opcode[] =
- {
- {0xE000, 0xE000}, /* Jmp. */
- {0x0000, 0x0000},
- };
- #define IS_JMP_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_jmp_opcode)
- static const struct ip2k_opcode ip2k_snc_opcode[] =
- {
- {0xA00B, 0xFFFF}, /* Snc. */
- {0x0000, 0x0000},
- };
- #define IS_SNC_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_snc_opcode)
- static const struct ip2k_opcode ip2k_inc_1sp_opcode[] =
- {
- {0x2B81, 0xFFFF}, /* Inc 1(SP). */
- {0x0000, 0x0000},
- };
- #define IS_INC_1SP_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_inc_1sp_opcode)
- static const struct ip2k_opcode ip2k_add_2sp_w_opcode[] =
- {
- {0x1F82, 0xFFFF}, /* Add 2(SP),w. */
- {0x0000, 0x0000},
- };
- #define IS_ADD_2SP_W_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_add_2sp_w_opcode)
- static const struct ip2k_opcode ip2k_add_w_wreg_opcode[] =
- {
- {0x1C0A, 0xFFFF}, /* Add w,wreg. */
- {0x1E0A, 0xFFFF}, /* Add wreg,w. */
- {0x0000, 0x0000},
- };
- #define IS_ADD_W_WREG_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_add_w_wreg_opcode)
- static const struct ip2k_opcode ip2k_add_pcl_w_opcode[] =
- {
- {0x1E09, 0xFFFF}, /* Add pcl,w. */
- {0x0000, 0x0000},
- };
- #define IS_ADD_PCL_W_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_add_pcl_w_opcode)
- static const struct ip2k_opcode ip2k_skip_opcodes[] =
- {
- {0xB000, 0xF000}, /* sb */
- {0xA000, 0xF000}, /* snb */
- {0x7600, 0xFE00}, /* cse/csne #lit */
- {0x5800, 0xFC00}, /* incsnz */
- {0x4C00, 0xFC00}, /* decsnz */
- {0x4000, 0xFC00}, /* cse/csne */
- {0x3C00, 0xFC00}, /* incsz */
- {0x2C00, 0xFC00}, /* decsz */
- {0x0000, 0x0000},
- };
- #define IS_SKIP_OPCODE(code) \
- ip2k_is_opcode (code, ip2k_skip_opcodes)
- /* Relocation tables. */
- static reloc_howto_type ip2k_elf_howto_table [] =
- {
- #define IP2K_HOWTO(t,rs,s,bs,pr,bp,name,sm,dm) \
- HOWTO(t, /* type */ \
- rs, /* rightshift */ \
- s, /* size (0 = byte, 1 = short, 2 = long) */ \
- bs, /* bitsize */ \
- pr, /* pc_relative */ \
- bp, /* bitpos */ \
- complain_overflow_dont,/* complain_on_overflow */ \
- bfd_elf_generic_reloc,/* special_function */ \
- name, /* name */ \
- false, /* partial_inplace */ \
- sm, /* src_mask */ \
- dm, /* dst_mask */ \
- pr) /* pcrel_offset */
- /* This reloc does nothing. */
- IP2K_HOWTO (R_IP2K_NONE, 0,3,0, false, 0, "R_IP2K_NONE", 0, 0),
- /* A 16 bit absolute relocation. */
- IP2K_HOWTO (R_IP2K_16, 0,1,16, false, 0, "R_IP2K_16", 0, 0xffff),
- /* A 32 bit absolute relocation. */
- IP2K_HOWTO (R_IP2K_32, 0,2,32, false, 0, "R_IP2K_32", 0, 0xffffffff),
- /* A 8-bit data relocation for the FR9 field. Ninth bit is computed specially. */
- IP2K_HOWTO (R_IP2K_FR9, 0,1,9, false, 0, "R_IP2K_FR9", 0, 0x00ff),
- /* A 4-bit data relocation. */
- IP2K_HOWTO (R_IP2K_BANK, 8,1,4, false, 0, "R_IP2K_BANK", 0, 0x000f),
- /* A 13-bit insn relocation - word address => right-shift 1 bit extra. */
- IP2K_HOWTO (R_IP2K_ADDR16CJP, 1,1,13, false, 0, "R_IP2K_ADDR16CJP", 0, 0x1fff),
- /* A 3-bit insn relocation - word address => right-shift 1 bit extra. */
- IP2K_HOWTO (R_IP2K_PAGE3, 14,1,3, false, 0, "R_IP2K_PAGE3", 0, 0x0007),
- /* Two 8-bit data relocations. */
- IP2K_HOWTO (R_IP2K_LO8DATA, 0,1,8, false, 0, "R_IP2K_LO8DATA", 0, 0x00ff),
- IP2K_HOWTO (R_IP2K_HI8DATA, 8,1,8, false, 0, "R_IP2K_HI8DATA", 0, 0x00ff),
- /* Two 8-bit insn relocations. word address => right-shift 1 bit extra. */
- IP2K_HOWTO (R_IP2K_LO8INSN, 1,1,8, false, 0, "R_IP2K_LO8INSN", 0, 0x00ff),
- IP2K_HOWTO (R_IP2K_HI8INSN, 9,1,8, false, 0, "R_IP2K_HI8INSN", 0, 0x00ff),
- /* Special 1 bit relocation for SKIP instructions. */
- IP2K_HOWTO (R_IP2K_PC_SKIP, 1,1,1, false, 12, "R_IP2K_PC_SKIP", 0xfffe, 0x1000),
- /* 16 bit word address. */
- IP2K_HOWTO (R_IP2K_TEXT, 1,1,16, false, 0, "R_IP2K_TEXT", 0, 0xffff),
- /* A 7-bit offset relocation for the FR9 field. Eigth and ninth bit comes from insn. */
- IP2K_HOWTO (R_IP2K_FR_OFFSET, 0,1,9, false, 0, "R_IP2K_FR_OFFSET", 0x180, 0x007f),
- /* Bits 23:16 of an address. */
- IP2K_HOWTO (R_IP2K_EX8DATA, 16,1,8, false, 0, "R_IP2K_EX8DATA", 0, 0x00ff),
- };
- /* Map BFD reloc types to IP2K ELF reloc types. */
- static reloc_howto_type *
- ip2k_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
- {
- /* Note that the ip2k_elf_howto_table is indxed by the R_
- constants. Thus, the order that the howto records appear in the
- table *must* match the order of the relocation types defined in
- include/elf/ip2k.h. */
- switch (code)
- {
- case BFD_RELOC_NONE:
- return &ip2k_elf_howto_table[ (int) R_IP2K_NONE];
- case BFD_RELOC_16:
- return &ip2k_elf_howto_table[ (int) R_IP2K_16];
- case BFD_RELOC_32:
- return &ip2k_elf_howto_table[ (int) R_IP2K_32];
- case BFD_RELOC_IP2K_FR9:
- return &ip2k_elf_howto_table[ (int) R_IP2K_FR9];
- case BFD_RELOC_IP2K_BANK:
- return &ip2k_elf_howto_table[ (int) R_IP2K_BANK];
- case BFD_RELOC_IP2K_ADDR16CJP:
- return &ip2k_elf_howto_table[ (int) R_IP2K_ADDR16CJP];
- case BFD_RELOC_IP2K_PAGE3:
- return &ip2k_elf_howto_table[ (int) R_IP2K_PAGE3];
- case BFD_RELOC_IP2K_LO8DATA:
- return &ip2k_elf_howto_table[ (int) R_IP2K_LO8DATA];
- case BFD_RELOC_IP2K_HI8DATA:
- return &ip2k_elf_howto_table[ (int) R_IP2K_HI8DATA];
- case BFD_RELOC_IP2K_LO8INSN:
- return &ip2k_elf_howto_table[ (int) R_IP2K_LO8INSN];
- case BFD_RELOC_IP2K_HI8INSN:
- return &ip2k_elf_howto_table[ (int) R_IP2K_HI8INSN];
- case BFD_RELOC_IP2K_PC_SKIP:
- return &ip2k_elf_howto_table[ (int) R_IP2K_PC_SKIP];
- case BFD_RELOC_IP2K_TEXT:
- return &ip2k_elf_howto_table[ (int) R_IP2K_TEXT];
- case BFD_RELOC_IP2K_FR_OFFSET:
- return &ip2k_elf_howto_table[ (int) R_IP2K_FR_OFFSET];
- case BFD_RELOC_IP2K_EX8DATA:
- return &ip2k_elf_howto_table[ (int) R_IP2K_EX8DATA];
- default:
- /* Pacify gcc -Wall. */
- return NULL;
- }
- return NULL;
- }
- static reloc_howto_type *
- ip2k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
- {
- unsigned int i;
- for (i = 0;
- i < sizeof (ip2k_elf_howto_table) / sizeof (ip2k_elf_howto_table[0]);
- i++)
- if (ip2k_elf_howto_table[i].name != NULL
- && strcasecmp (ip2k_elf_howto_table[i].name, r_name) == 0)
- return &ip2k_elf_howto_table[i];
- return NULL;
- }
- static void
- ip2k_get_mem (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_byte *addr,
- int length,
- bfd_byte *ptr)
- {
- while (length --)
- * ptr ++ = bfd_get_8 (abfd, addr ++);
- }
- static bool
- ip2k_is_opcode (bfd_byte *code, const struct ip2k_opcode *opcodes)
- {
- unsigned short insn = (code[0] << 8) | code[1];
- while (opcodes->mask != 0)
- {
- if ((insn & opcodes->mask) == opcodes->opcode)
- return true;
- opcodes ++;
- }
- return false;
- }
- #define PAGENO(ABSADDR) ((ABSADDR) & 0xFFFFC000)
- #define BASEADDR(SEC) ((SEC)->output_section->vma + (SEC)->output_offset)
- #define UNDEFINED_SYMBOL (~(bfd_vma)0)
- /* Return the value of the symbol associated with the relocation IREL. */
- static bfd_vma
- symbol_value (bfd *abfd,
- Elf_Internal_Shdr *symtab_hdr,
- Elf_Internal_Sym *isymbuf,
- Elf_Internal_Rela *irel)
- {
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
- {
- Elf_Internal_Sym *isym;
- asection *sym_sec;
- isym = isymbuf + ELF32_R_SYM (irel->r_info);
- if (isym->st_shndx == SHN_UNDEF)
- sym_sec = bfd_und_section_ptr;
- else if (isym->st_shndx == SHN_ABS)
- sym_sec = bfd_abs_section_ptr;
- else if (isym->st_shndx == SHN_COMMON)
- sym_sec = bfd_com_section_ptr;
- else
- sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- return isym->st_value + BASEADDR (sym_sec);
- }
- else
- {
- unsigned long indx;
- struct elf_link_hash_entry *h;
- indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
- h = elf_sym_hashes (abfd)[indx];
- BFD_ASSERT (h != NULL);
- if (h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
- return UNDEFINED_SYMBOL;
- return (h->root.u.def.value + BASEADDR (h->root.u.def.section));
- }
- }
- /* Determine if the instruction sequence matches that for
- the prologue of a switch dispatch table with fewer than
- 128 entries.
- sc
- page $nnn0
- jmp $nnn0
- add w,wreg
- add pcl,w
- addr=>
- page $nnn1
- jmp $nnn1
- page $nnn2
- jmp $nnn2
- ...
- page $nnnN
- jmp $nnnN
- After relaxation.
- sc
- page $nnn0
- jmp $nnn0
- add pcl,w
- addr=>
- jmp $nnn1
- jmp $nnn2
- ...
- jmp $nnnN */
- static int
- ip2k_is_switch_table_128 (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- bfd_vma addr,
- bfd_byte *contents)
- {
- bfd_byte code[4];
- int table_index = 0;
- /* Check current page-jmp. */
- if (addr + 4 > sec->size)
- return -1;
- ip2k_get_mem (abfd, contents + addr, 4, code);
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- return -1;
- /* Search back. */
- while (1)
- {
- if (addr < 4)
- return -1;
- /* Check previous 2 instructions. */
- ip2k_get_mem (abfd, contents + addr - 4, 4, code);
- if ((IS_ADD_W_WREG_OPCODE (code + 0))
- && (IS_ADD_PCL_W_OPCODE (code + 2)))
- return table_index;
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- return -1;
- table_index++;
- addr -= 4;
- }
- }
- /* Determine if the instruction sequence matches that for
- the prologue switch dispatch table with fewer than
- 256 entries but more than 127.
- Before relaxation.
- push %lo8insn(label) ; Push address of table
- push %hi8insn(label)
- add w,wreg ; index*2 => offset
- snc ; CARRY SET?
- inc 1(sp) ; Propagate MSB into table address
- add 2(sp),w ; Add low bits of offset to table address
- snc ; and handle any carry-out
- inc 1(sp)
- addr=>
- page __indjmp ; Do an indirect jump to that location
- jmp __indjmp
- label: ; case dispatch table starts here
- page $nnn1
- jmp $nnn1
- page $nnn2
- jmp $nnn2
- ...
- page $nnnN
- jmp $nnnN
- After relaxation.
- push %lo8insn(label) ; Push address of table
- push %hi8insn(label)
- add 2(sp),w ; Add low bits of offset to table address
- snc ; and handle any carry-out
- inc 1(sp)
- addr=>
- page __indjmp ; Do an indirect jump to that location
- jmp __indjmp
- label: ; case dispatch table starts here
- jmp $nnn1
- jmp $nnn2
- ...
- jmp $nnnN */
- static int
- ip2k_is_switch_table_256 (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- bfd_vma addr,
- bfd_byte *contents)
- {
- bfd_byte code[16];
- int table_index = 0;
- /* Check current page-jmp. */
- if (addr + 4 > sec->size)
- return -1;
- ip2k_get_mem (abfd, contents + addr, 4, code);
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- return -1;
- /* Search back. */
- while (1)
- {
- if (addr < 16)
- return -1;
- /* Check previous 8 instructions. */
- ip2k_get_mem (abfd, contents + addr - 16, 16, code);
- if ((IS_ADD_W_WREG_OPCODE (code + 0))
- && (IS_SNC_OPCODE (code + 2))
- && (IS_INC_1SP_OPCODE (code + 4))
- && (IS_ADD_2SP_W_OPCODE (code + 6))
- && (IS_SNC_OPCODE (code + 8))
- && (IS_INC_1SP_OPCODE (code + 10))
- && (IS_PAGE_OPCODE (code + 12))
- && (IS_JMP_OPCODE (code + 14)))
- return table_index;
- if ((IS_ADD_W_WREG_OPCODE (code + 2))
- && (IS_SNC_OPCODE (code + 4))
- && (IS_INC_1SP_OPCODE (code + 6))
- && (IS_ADD_2SP_W_OPCODE (code + 8))
- && (IS_SNC_OPCODE (code + 10))
- && (IS_INC_1SP_OPCODE (code + 12))
- && (IS_JMP_OPCODE (code + 14)))
- return table_index;
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- return -1;
- table_index++;
- addr -= 4;
- }
- }
- /* Returns the expected page state for the given instruction not including
- the effect of page instructions. */
- static bfd_vma
- ip2k_nominal_page_bits (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- bfd_vma addr,
- bfd_byte *contents)
- {
- bfd_vma page = PAGENO (BASEADDR (sec) + addr);
- /* Check if section flows into this page. If not then the page
- bits are assumed to match the PC. This will be true unless
- the user has a page instruction without a call/jump, in which
- case they are on their own. */
- if (PAGENO (BASEADDR (sec)) == page)
- return page;
- /* Section flows across page boundary. The page bits should match
- the PC unless there is a possible flow from the previous page,
- in which case it is not possible to determine the value of the
- page bits. */
- while (PAGENO (BASEADDR (sec) + addr - 2) == page)
- {
- bfd_byte code[2];
- addr -= 2;
- ip2k_get_mem (abfd, contents + addr, 2, code);
- if (!IS_PAGE_OPCODE (code))
- continue;
- /* Found a page instruction, check if jump table. */
- if (ip2k_is_switch_table_128 (abfd, sec, addr, contents) != -1)
- /* Jump table => page is conditional. */
- continue;
- if (ip2k_is_switch_table_256 (abfd, sec, addr, contents) != -1)
- /* Jump table => page is conditional. */
- continue;
- /* Found a page instruction, check if conditional. */
- if (addr >= 2)
- {
- ip2k_get_mem (abfd, contents + addr - 2, 2, code);
- if (IS_SKIP_OPCODE (code))
- /* Page is conditional. */
- continue;
- }
- /* Unconditional page instruction => page bits should be correct. */
- return page;
- }
- /* Flow from previous page => page bits are impossible to determine. */
- return 0;
- }
- static bool
- ip2k_test_page_insn (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- Elf_Internal_Rela *irel,
- struct misc *misc)
- {
- bfd_vma symval;
- /* Get the value of the symbol referred to by the reloc. */
- symval = symbol_value (abfd, misc->symtab_hdr, misc->isymbuf, irel);
- if (symval == UNDEFINED_SYMBOL)
- /* This appears to be a reference to an undefined
- symbol. Just ignore it--it will be caught by the
- regular reloc processing. */
- return false;
- /* Test if we can delete this page instruction. */
- if (PAGENO (symval + irel->r_addend) !=
- ip2k_nominal_page_bits (abfd, sec, irel->r_offset, misc->contents))
- return false;
- return true;
- }
- /* Parts of a Stabs entry. */
- #define STRDXOFF 0
- #define TYPEOFF 4
- #define OTHEROFF 5
- #define DESCOFF 6
- #define VALOFF 8
- #define STABSIZE 12
- /* Adjust all the relocations entries after adding or inserting instructions. */
- static void
- adjust_all_relocations (bfd *abfd,
- asection *sec,
- bfd_vma addr,
- bfd_vma endaddr,
- int count,
- int noadj)
- {
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Sym *isymbuf, *isym, *isymend;
- unsigned int shndx;
- Elf_Internal_Rela *irel, *irelend, *irelbase;
- struct elf_link_hash_entry **sym_hashes;
- struct elf_link_hash_entry **end_hashes;
- unsigned int symcount;
- asection *stab;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
- irelbase = elf_section_data (sec)->relocs;
- irelend = irelbase + sec->reloc_count;
- for (irel = irelbase; irel < irelend; irel++)
- {
- if (ELF32_R_TYPE (irel->r_info) != R_IP2K_NONE)
- {
- /* Get the value of the symbol referred to by the reloc. */
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
- {
- asection *sym_sec;
- /* A local symbol. */
- isym = isymbuf + ELF32_R_SYM (irel->r_info);
- sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- if (isym->st_shndx == shndx)
- {
- bfd_vma baseaddr = BASEADDR (sec);
- bfd_vma symval = BASEADDR (sym_sec) + isym->st_value
- + irel->r_addend;
- if ((baseaddr + addr + noadj) <= symval
- && symval < (baseaddr + endaddr))
- irel->r_addend += count;
- }
- }
- }
- /* Do this only for PC space relocations. */
- if (addr <= irel->r_offset && irel->r_offset < endaddr)
- irel->r_offset += count;
- }
- /* Now fix the stab relocations. */
- stab = bfd_get_section_by_name (abfd, ".stab");
- if (stab)
- {
- bfd_byte *stabcontents, *stabend, *stabp;
- bfd_size_type stab_size = stab->rawsize ? stab->rawsize : stab->size;
- irelbase = elf_section_data (stab)->relocs;
- irelend = irelbase + stab->reloc_count;
- /* Pull out the contents of the stab section. */
- if (elf_section_data (stab)->this_hdr.contents != NULL)
- stabcontents = elf_section_data (stab)->this_hdr.contents;
- else
- {
- if (!bfd_malloc_and_get_section (abfd, stab, &stabcontents))
- {
- free (stabcontents);
- return;
- }
- /* We need to remember this. */
- elf_section_data (stab)->this_hdr.contents = stabcontents;
- }
- stabend = stabcontents + stab_size;
- for (irel = irelbase; irel < irelend; irel++)
- {
- if (ELF32_R_TYPE (irel->r_info) != R_IP2K_NONE)
- {
- /* Get the value of the symbol referred to by the reloc. */
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
- {
- asection *sym_sec;
- /* A local symbol. */
- isym = isymbuf + ELF32_R_SYM (irel->r_info);
- sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- if (sym_sec == sec)
- {
- const char *name;
- unsigned char type;
- bfd_vma value;
- bfd_vma baseaddr = BASEADDR (sec);
- bfd_vma symval = BASEADDR (sym_sec) + isym->st_value
- + irel->r_addend;
- if ((baseaddr + addr) <= symval
- && symval <= (baseaddr + endaddr))
- irel->r_addend += count;
- /* Go hunt up a function and fix its line info if needed. */
- stabp = stabcontents + irel->r_offset - 8;
- /* Go pullout the stab entry. */
- type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
- value = bfd_h_get_32 (abfd, stabp + VALOFF);
- name = bfd_get_stab_name (type);
- if (strcmp (name, "FUN") == 0)
- {
- int function_adjusted = 0;
- if (symval > (baseaddr + addr))
- /* Not in this function. */
- continue;
- /* Hey we got a function hit. */
- stabp += STABSIZE;
- for (;stabp < stabend; stabp += STABSIZE)
- {
- /* Go pullout the stab entry. */
- type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
- value = bfd_h_get_32 (abfd, stabp + VALOFF);
- name = bfd_get_stab_name (type);
- if (strcmp (name, "FUN") == 0)
- {
- /* Hit another function entry. */
- if (function_adjusted)
- {
- /* Adjust the value. */
- value += count;
- /* We need to put it back. */
- bfd_h_put_32 (abfd, value,stabp + VALOFF);
- }
- /* And then bale out. */
- break;
- }
- if (strcmp (name, "SLINE") == 0)
- {
- /* Got a line entry. */
- if ((baseaddr + addr) <= (symval + value))
- {
- /* Adjust the line entry. */
- value += count;
- /* We need to put it back. */
- bfd_h_put_32 (abfd, value,stabp + VALOFF);
- function_adjusted = 1;
- }
- }
- }
- }
- }
- }
- }
- }
- }
- /* When adding an instruction back it is sometimes necessary to move any
- global or local symbol that was referencing the first instruction of
- the moved block to refer to the first instruction of the inserted block.
- For example adding a PAGE instruction before a CALL or JMP requires
- that any label on the CALL or JMP is moved to the PAGE insn. */
- addr += noadj;
- /* Adjust the local symbols defined in this section. */
- isymend = isymbuf + symtab_hdr->sh_info;
- for (isym = isymbuf; isym < isymend; isym++)
- {
- if (isym->st_shndx == shndx
- && addr <= isym->st_value
- && isym->st_value < endaddr)
- isym->st_value += count;
- }
- /* Now adjust the global symbols defined in this section. */
- symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- - symtab_hdr->sh_info);
- sym_hashes = elf_sym_hashes (abfd);
- end_hashes = sym_hashes + symcount;
- for (; sym_hashes < end_hashes; sym_hashes++)
- {
- struct elf_link_hash_entry *sym_hash = *sym_hashes;
- if ((sym_hash->root.type == bfd_link_hash_defined
- || sym_hash->root.type == bfd_link_hash_defweak)
- && sym_hash->root.u.def.section == sec)
- {
- if (addr <= sym_hash->root.u.def.value
- && sym_hash->root.u.def.value < endaddr)
- sym_hash->root.u.def.value += count;
- }
- }
- return;
- }
- /* Delete some bytes from a section while relaxing. */
- static bool
- ip2k_elf_relax_delete_bytes (bfd *abfd,
- asection *sec,
- bfd_vma addr,
- int count)
- {
- bfd_byte *contents = elf_section_data (sec)->this_hdr.contents;
- bfd_vma endaddr = sec->size;
- /* Actually delete the bytes. */
- memmove (contents + addr, contents + addr + count,
- endaddr - addr - count);
- sec->size -= count;
- adjust_all_relocations (abfd, sec, addr + count, endaddr, -count, 0);
- return true;
- }
- static bool
- ip2k_delete_page_insn (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- Elf_Internal_Rela *irel,
- bool *again,
- struct misc *misc)
- {
- /* Note that we've changed the relocs, section contents, etc. */
- elf_section_data (sec)->relocs = misc->irelbase;
- elf_section_data (sec)->this_hdr.contents = misc->contents;
- misc->symtab_hdr->contents = (bfd_byte *) misc->isymbuf;
- /* Fix the relocation's type. */
- irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), R_IP2K_NONE);
- /* Delete the PAGE insn. */
- if (!ip2k_elf_relax_delete_bytes (abfd, sec, irel->r_offset, 2))
- return false;
- /* Modified => will need to iterate relaxation again. */
- *again = true;
- return true;
- }
- static bool
- ip2k_relax_switch_table_128 (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- Elf_Internal_Rela *irel,
- bool *again,
- struct misc *misc)
- {
- Elf_Internal_Rela *irelend = misc->irelbase + sec->reloc_count;
- Elf_Internal_Rela *ireltest = irel;
- bfd_byte code[4];
- bfd_vma addr;
- /* Test all page instructions. */
- addr = irel->r_offset;
- while (1)
- {
- if (addr + 4 > sec->size)
- break;
- ip2k_get_mem (abfd, misc->contents + addr, 4, code);
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- break;
- /* Validate relocation entry (every entry should have a matching
- relocation entry). */
- if (ireltest >= irelend)
- {
- _bfd_error_handler (_("ip2k relaxer: switch table without complete matching relocation information."));
- return false;
- }
- if (ireltest->r_offset != addr)
- {
- _bfd_error_handler (_("ip2k relaxer: switch table without complete matching relocation information."));
- return false;
- }
- if (! ip2k_test_page_insn (abfd, sec, ireltest, misc))
- /* Un-removable page insn => nothing can be done. */
- return true;
- addr += 4;
- ireltest += 2;
- }
- /* Relaxable. Adjust table header. */
- ip2k_get_mem (abfd, misc->contents + irel->r_offset - 4, 4, code);
- if ((! IS_ADD_W_WREG_OPCODE (code + 0))
- || (! IS_ADD_PCL_W_OPCODE (code + 2)))
- {
- _bfd_error_handler (_("ip2k relaxer: switch table header corrupt."));
- return false;
- }
- if (!ip2k_elf_relax_delete_bytes (abfd, sec, irel->r_offset - 4, 2))
- return false;
- *again = true;
- /* Delete all page instructions in table. */
- while (irel < ireltest)
- {
- if (!ip2k_delete_page_insn (abfd, sec, irel, again, misc))
- return false;
- irel += 2;
- }
- return true;
- }
- static bool
- ip2k_relax_switch_table_256 (bfd *abfd ATTRIBUTE_UNUSED,
- asection *sec,
- Elf_Internal_Rela *irel,
- bool *again,
- struct misc *misc)
- {
- Elf_Internal_Rela *irelend = misc->irelbase + sec->reloc_count;
- Elf_Internal_Rela *ireltest = irel;
- bfd_byte code[12];
- bfd_vma addr;
- /* Test all page instructions. */
- addr = irel->r_offset;
- while (1)
- {
- if (addr + 4 > sec->size)
- break;
- ip2k_get_mem (abfd, misc->contents + addr, 4, code);
- if ((! IS_PAGE_OPCODE (code + 0))
- || (! IS_JMP_OPCODE (code + 2)))
- break;
- /* Validate relocation entry (every entry should have a matching
- relocation entry). */
- if (ireltest >= irelend)
- {
- _bfd_error_handler (_("ip2k relaxer: switch table without complete matching relocation information."));
- return false;
- }
- if (ireltest->r_offset != addr)
- {
- _bfd_error_handler (_("ip2k relaxer: switch table without complete matching relocation information."));
- return false;
- }
- if (!ip2k_test_page_insn (abfd, sec, ireltest, misc))
- /* Un-removable page insn => nothing can be done. */
- return true;
- addr += 4;
- ireltest += 2;
- }
- /* Relaxable. Adjust table header. */
- ip2k_get_mem (abfd, misc->contents + irel->r_offset - 4, 2, code);
- if (IS_PAGE_OPCODE (code))
- addr = irel->r_offset - 16;
- else
- addr = irel->r_offset - 14;
- ip2k_get_mem (abfd, misc->contents + addr, 12, code);
- if ((!IS_ADD_W_WREG_OPCODE (code + 0))
- || (!IS_SNC_OPCODE (code + 2))
- || (!IS_INC_1SP_OPCODE (code + 4))
- || (!IS_ADD_2SP_W_OPCODE (code + 6))
- || (!IS_SNC_OPCODE (code + 8))
- || (!IS_INC_1SP_OPCODE (code + 10)))
- {
- _bfd_error_handler (_("ip2k relaxer: switch table header corrupt."));
- return false;
- }
- /* Delete first 3 opcodes. */
- if (!ip2k_elf_relax_delete_bytes (abfd, sec, addr + 0, 6))
- return false;
- *again = true;
- /* Delete all page instructions in table. */
- while (irel < ireltest)
- {
- if (!ip2k_delete_page_insn (abfd, sec, irel, again, misc))
- return false;
- irel += 2;
- }
- return true;
- }
- /* This function handles relaxation of a section in a specific page. */
- static bool
- ip2k_elf_relax_section_page (bfd *abfd,
- asection *sec,
- bool *again,
- struct misc *misc,
- unsigned long page_start,
- unsigned long page_end)
- {
- Elf_Internal_Rela *irelend = misc->irelbase + sec->reloc_count;
- Elf_Internal_Rela *irel;
- int switch_table_128;
- int switch_table_256;
- /* Walk thru the section looking for relaxation opportunities. */
- for (irel = misc->irelbase; irel < irelend; irel++)
- {
- if (ELF32_R_TYPE (irel->r_info) != (int) R_IP2K_PAGE3)
- /* Ignore non page instructions. */
- continue;
- if (BASEADDR (sec) + irel->r_offset < page_start)
- /* Ignore page instructions on earlier page - they have
- already been processed. Remember that there is code flow
- that crosses a page boundary. */
- continue;
- if (BASEADDR (sec) + irel->r_offset > page_end)
- /* Flow beyond end of page => nothing more to do for this page. */
- return true;
- /* Detect switch tables. */
- switch_table_128 = ip2k_is_switch_table_128 (abfd, sec, irel->r_offset, misc->contents);
- switch_table_256 = ip2k_is_switch_table_256 (abfd, sec, irel->r_offset, misc->contents);
- if ((switch_table_128 > 0) || (switch_table_256 > 0))
- /* If the index is greater than 0 then it has already been processed. */
- continue;
- if (switch_table_128 == 0)
- {
- if (!ip2k_relax_switch_table_128 (abfd, sec, irel, again, misc))
- return false;
- continue;
- }
- if (switch_table_256 == 0)
- {
- if (!ip2k_relax_switch_table_256 (abfd, sec, irel, again, misc))
- return false;
- continue;
- }
- /* Simple relax. */
- if (ip2k_test_page_insn (abfd, sec, irel, misc))
- {
- if (!ip2k_delete_page_insn (abfd, sec, irel, again, misc))
- return false;
- continue;
- }
- }
- return true;
- }
- /* This function handles relaxing for the ip2k.
- Principle: Start with the first page and remove page instructions that
- are not require on this first page. By removing page instructions more
- code will fit into this page - repeat until nothing more can be achieved
- for this page. Move on to the next page.
- Processing the pages one at a time from the lowest page allows a removal
- only policy to be used - pages can be removed but are never reinserted. */
- static bool
- ip2k_elf_relax_section (bfd *abfd,
- asection *sec,
- struct bfd_link_info *link_info,
- bool *again)
- {
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Rela *internal_relocs;
- bfd_byte *contents = NULL;
- Elf_Internal_Sym *isymbuf = NULL;
- static asection * first_section = NULL;
- static unsigned long search_addr;
- static unsigned long page_start = 0;
- static unsigned long page_end = 0;
- static unsigned int pass = 0;
- static bool new_pass = false;
- static bool changed = false;
- struct misc misc;
- /* Assume nothing changes. */
- *again = false;
- if (first_section == NULL)
- {
- ip2k_relaxed = true;
- first_section = sec;
- }
- if (first_section == sec)
- {
- pass++;
- new_pass = true;
- }
- /* We don't have to do anything for a relocatable link,
- if this section does not have relocs, or if this is
- not a code section. */
- if (bfd_link_relocatable (link_info)
- || (sec->flags & SEC_RELOC) == 0
- || sec->reloc_count == 0
- || (sec->flags & SEC_CODE) == 0)
- return true;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL,
- link_info->keep_memory);
- if (internal_relocs == NULL)
- goto error_return;
- /* Get section contents cached copy if it exists. */
- if (contents == NULL)
- {
- /* Get cached copy if it exists. */
- if (elf_section_data (sec)->this_hdr.contents != NULL)
- contents = elf_section_data (sec)->this_hdr.contents;
- else
- {
- /* Go get them off disk. */
- if (!bfd_malloc_and_get_section (abfd, sec, &contents))
- goto error_return;
- }
- }
- /* Read this BFD's symbols cached copy if it exists. */
- if (isymbuf == NULL && symtab_hdr->sh_info != 0)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == NULL)
- goto error_return;
- }
- misc.symtab_hdr = symtab_hdr;
- misc.isymbuf = isymbuf;
- misc.irelbase = internal_relocs;
- misc.contents = contents;
- /* This is where all the relaxation actually get done. */
- if ((pass == 1) || (new_pass && !changed))
- {
- /* On the first pass we simply search for the lowest page that
- we havn't relaxed yet. Note that the pass count is reset
- each time a page is complete in order to move on to the next page.
- If we can't find any more pages then we are finished. */
- if (new_pass)
- {
- pass = 1;
- new_pass = false;
- changed = true; /* Pre-initialize to break out of pass 1. */
- search_addr = 0xFFFFFFFF;
- }
- if ((BASEADDR (sec) + sec->size < search_addr)
- && (BASEADDR (sec) + sec->size > page_end))
- {
- if (BASEADDR (sec) <= page_end)
- search_addr = page_end + 1;
- else
- search_addr = BASEADDR (sec);
- /* Found a page => more work to do. */
- *again = true;
- }
- }
- else
- {
- if (new_pass)
- {
- new_pass = false;
- changed = false;
- page_start = PAGENO (search_addr);
- page_end = page_start | 0x00003FFF;
- }
- /* Only process sections in range. */
- if ((BASEADDR (sec) + sec->size >= page_start)
- && (BASEADDR (sec) <= page_end))
- {
- if (!ip2k_elf_relax_section_page (abfd, sec, &changed, &misc, page_start, page_end))
- return false;
- }
- *again = true;
- }
- /* Perform some house keeping after relaxing the section. */
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- {
- if (! link_info->keep_memory)
- free (isymbuf);
- else
- symtab_hdr->contents = (unsigned char *) isymbuf;
- }
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- {
- if (! link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
- }
- }
- if (elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
- return true;
- error_return:
- if (symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- if (elf_section_data (sec)->this_hdr.contents != contents)
- free (contents);
- if (elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
- return false;
- }
- /* Set the howto pointer for a IP2K ELF reloc. */
- static bool
- ip2k_info_to_howto_rela (bfd * abfd,
- arelent * cache_ptr,
- Elf_Internal_Rela * dst)
- {
- unsigned int r_type;
- r_type = ELF32_R_TYPE (dst->r_info);
- if (r_type >= (unsigned int) R_IP2K_max)
- {
- /* xgettext:c-format */
- _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
- abfd, r_type);
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
- cache_ptr->howto = & ip2k_elf_howto_table [r_type];
- return true;
- }
- /* Perform a single relocation.
- By default we use the standard BFD routines. */
- static bfd_reloc_status_type
- ip2k_final_link_relocate (reloc_howto_type * howto,
- bfd * input_bfd,
- asection * input_section,
- bfd_byte * contents,
- Elf_Internal_Rela * rel,
- bfd_vma relocation)
- {
- static bfd_vma page_addr = 0;
- bfd_reloc_status_type r = bfd_reloc_ok;
- switch (howto->type)
- {
- /* Handle data space relocations. */
- case R_IP2K_FR9:
- case R_IP2K_BANK:
- if ((relocation & IP2K_DATA_MASK) == IP2K_DATA_VALUE)
- relocation &= ~IP2K_DATA_MASK;
- else
- r = bfd_reloc_notsupported;
- break;
- case R_IP2K_LO8DATA:
- case R_IP2K_HI8DATA:
- case R_IP2K_EX8DATA:
- break;
- /* Handle insn space relocations. */
- case R_IP2K_PAGE3:
- page_addr = BASEADDR (input_section) + rel->r_offset;
- if ((relocation & IP2K_INSN_MASK) == IP2K_INSN_VALUE)
- relocation &= ~IP2K_INSN_MASK;
- else
- r = bfd_reloc_notsupported;
- break;
- case R_IP2K_ADDR16CJP:
- if (BASEADDR (input_section) + rel->r_offset != page_addr + 2)
- {
- /* No preceding page instruction, verify that it isn't needed. */
- if (PAGENO (relocation + rel->r_addend) !=
- ip2k_nominal_page_bits (input_bfd, input_section,
- rel->r_offset, contents))
- /* xgettext:c-format */
- _bfd_error_handler
- (_("ip2k linker: missing page instruction "
- "at %#" PRIx64 " (dest = %#" PRIx64 ")"),
- (uint64_t) (BASEADDR (input_section) + rel->r_offset),
- (uint64_t) (relocation + rel->r_addend));
- }
- else if (ip2k_relaxed)
- {
- /* Preceding page instruction. Verify that the page instruction is
- really needed. One reason for the relaxation to miss a page is if
- the section is not marked as executable. */
- if (!ip2k_is_switch_table_128 (input_bfd, input_section,
- rel->r_offset - 2, contents)
- && !ip2k_is_switch_table_256 (input_bfd, input_section,
- rel->r_offset - 2, contents)
- && (PAGENO (relocation + rel->r_addend) ==
- ip2k_nominal_page_bits (input_bfd, input_section,
- rel->r_offset - 2, contents)))
- /* xgettext:c-format */
- _bfd_error_handler
- (_("ip2k linker: redundant page instruction "
- "at %#" PRIx64 " (dest = %#" PRIx64 ")"),
- (uint64_t) page_addr,
- (uint64_t) (relocation + rel->r_addend));
- }
- if ((relocation & IP2K_INSN_MASK) == IP2K_INSN_VALUE)
- relocation &= ~IP2K_INSN_MASK;
- else
- r = bfd_reloc_notsupported;
- break;
- case R_IP2K_LO8INSN:
- case R_IP2K_HI8INSN:
- case R_IP2K_PC_SKIP:
- if ((relocation & IP2K_INSN_MASK) == IP2K_INSN_VALUE)
- relocation &= ~IP2K_INSN_MASK;
- else
- r = bfd_reloc_notsupported;
- break;
- case R_IP2K_16:
- /* If this is a relocation involving a TEXT
- symbol, reduce it to a word address. */
- if ((relocation & IP2K_INSN_MASK) == IP2K_INSN_VALUE)
- howto = &ip2k_elf_howto_table[ (int) R_IP2K_TEXT];
- break;
- /* Pass others through. */
- default:
- break;
- }
- /* Only install relocation if above tests did not disqualify it. */
- if (r == bfd_reloc_ok)
- r = _bfd_final_link_relocate (howto, input_bfd, input_section,
- contents, rel->r_offset,
- relocation, rel->r_addend);
- return r;
- }
- /* Relocate a IP2K ELF section.
- The RELOCATE_SECTION function is called by the new ELF backend linker
- to handle the relocations for a section.
- The relocs are always passed as Rela structures; if the section
- actually uses Rel structures, the r_addend field will always be
- zero.
- This function is responsible for adjusting the section contents as
- necessary, and (if using Rela relocs and generating a relocatable
- output file) adjusting the reloc addend as necessary.
- This function does not have to worry about setting the reloc
- address or the reloc symbol index.
- LOCAL_SYMS is a pointer to the swapped in local symbols.
- LOCAL_SECTIONS is an array giving the section in the input file
- corresponding to the st_shndx field of each local symbol.
- The global hash table entry for the global symbols can be found
- via elf_sym_hashes (input_bfd).
- When generating relocatable output, this function must handle
- STB_LOCAL/STT_SECTION symbols specially. The output symbol is
- going to be the section symbol corresponding to the output
- section, which means that the addend must be adjusted
- accordingly. */
- static int
- ip2k_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- Elf_Internal_Rela *relocs,
- Elf_Internal_Sym *local_syms,
- asection **local_sections)
- {
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- Elf_Internal_Rela *rel;
- Elf_Internal_Rela *relend;
- symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
- relend = relocs + input_section->reloc_count;
- for (rel = relocs; rel < relend; rel ++)
- {
- reloc_howto_type * howto;
- unsigned long r_symndx;
- Elf_Internal_Sym * sym;
- asection * sec;
- struct elf_link_hash_entry * h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char * name = NULL;
- int r_type;
- r_type = ELF32_R_TYPE (rel->r_info);
- r_symndx = ELF32_R_SYM (rel->r_info);
- howto = ip2k_elf_howto_table + r_type;
- h = NULL;
- sym = NULL;
- sec = NULL;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections [r_symndx];
- relocation = BASEADDR (sec) + sym->st_value;
- name = bfd_elf_string_from_elf_section
- (input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = name == NULL ? bfd_section_name (sec) : name;
- }
- else
- {
- bool warned, ignored;
- bool unresolved_reloc;
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned, ignored);
- name = h->root.root.string;
- }
- if (sec != NULL && discarded_section (sec))
- RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, 1, relend, howto, 0, contents);
- if (bfd_link_relocatable (info))
- continue;
- /* Finally, the sole IP2K-specific part. */
- r = ip2k_final_link_relocate (howto, input_bfd, input_section,
- contents, rel, relocation);
- if (r != bfd_reloc_ok)
- {
- const char * msg = NULL;
- switch (r)
- {
- case bfd_reloc_overflow:
- (*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
- break;
- case bfd_reloc_undefined:
- (*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section, rel->r_offset, true);
- break;
- case bfd_reloc_outofrange:
- msg = _("internal error: out of range error");
- break;
- /* This is how ip2k_final_link_relocate tells us of a non-kosher
- reference between insn & data address spaces. */
- case bfd_reloc_notsupported:
- if (sym != NULL) /* Only if it's not an unresolved symbol. */
- msg = _("unsupported relocation between data/insn address spaces");
- break;
- case bfd_reloc_dangerous:
- msg = _("internal error: dangerous relocation");
- break;
- default:
- msg = _("internal error: unknown error");
- break;
- }
- if (msg)
- (*info->callbacks->warning) (info, msg, name, input_bfd,
- input_section, rel->r_offset);
- }
- }
- return true;
- }
- #define TARGET_BIG_SYM ip2k_elf32_vec
- #define TARGET_BIG_NAME "elf32-ip2k"
- #define ELF_ARCH bfd_arch_ip2k
- #define ELF_MACHINE_CODE EM_IP2K
- #define ELF_MACHINE_ALT1 EM_IP2K_OLD
- #define ELF_MAXPAGESIZE 1 /* No pages on the IP2K. */
- #define elf_info_to_howto_rel NULL
- #define elf_info_to_howto ip2k_info_to_howto_rela
- #define elf_backend_can_gc_sections 1
- #define elf_backend_rela_normal 1
- #define elf_backend_relocate_section ip2k_elf_relocate_section
- #define elf_symbol_leading_char '_'
- #define bfd_elf32_bfd_reloc_type_lookup ip2k_reloc_type_lookup
- #define bfd_elf32_bfd_reloc_name_lookup ip2k_reloc_name_lookup
- #define bfd_elf32_bfd_relax_section ip2k_elf_relax_section
- #include "elf32-target.h"
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