diff options
Diffstat (limited to 'bfd/nlm32-sparc.c')
-rw-r--r-- | bfd/nlm32-sparc.c | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/bfd/nlm32-sparc.c b/bfd/nlm32-sparc.c deleted file mode 100644 index 5963adbc70b..00000000000 --- a/bfd/nlm32-sparc.c +++ /dev/null @@ -1,440 +0,0 @@ -/* Support for 32-bit SPARC NLM (NetWare Loadable Module) - Copyright (C) 1993 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" - -#define ARCH_SIZE 32 - -#include "nlm/sparc32-ext.h" -#define Nlm_External_Fixed_Header Nlm32_sparc_External_Fixed_Header - -#include "libnlm.h" - -static boolean nlm_sparc_read_reloc - PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *)); -static boolean nlm_sparc_write_reloc - PARAMS ((bfd *, asection *, arelent *)); -static boolean nlm_sparc_mangle_relocs - PARAMS ((bfd *, asection *, PTR, bfd_vma, bfd_size_type)); -static boolean nlm_sparc_read_import - PARAMS ((bfd *, nlmNAME(symbol_type) *)); -static boolean nlm_sparc_write_import - PARAMS ((bfd *, asection *, arelent *)); -static boolean nlm_sparc_write_external - PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *)); - -enum reloc_type - { - R_SPARC_NONE = 0, - R_SPARC_8, R_SPARC_16, R_SPARC_32, - R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32, - R_SPARC_WDISP30, R_SPARC_WDISP22, - R_SPARC_HI22, R_SPARC_22, - R_SPARC_13, R_SPARC_LO10, - R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22, - R_SPARC_PC10, R_SPARC_PC22, - R_SPARC_WPLT30, - R_SPARC_COPY, - R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT, - R_SPARC_RELATIVE, - R_SPARC_UA32, - R_SPARC_max - }; - -#if 0 -static CONST char *CONST reloc_type_names[] = -{ - "R_SPARC_NONE", - "R_SPARC_8", "R_SPARC_16", "R_SPARC_32", - "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32", - "R_SPARC_WDISP30", "R_SPARC_WDISP22", - "R_SPARC_HI22", "R_SPARC_22", - "R_SPARC_13", "R_SPARC_LO10", - "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22", - "R_SPARC_PC10", "R_SPARC_PC22", - "R_SPARC_WPLT30", - "R_SPARC_COPY", - "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT", - "R_SPARC_RELATIVE", - "R_SPARC_UA32", -}; -#endif - -static reloc_howto_type nlm32_sparc_howto_table[] = -{ - HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, 0,"R_SPARC_NONE", false,0,0x00000000,true), - HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,0,"R_SPARC_8", false,0,0x000000ff,true), - HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,0,"R_SPARC_16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,0,"R_SPARC_32", false,0,0xffffffff,true), - HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP8", false,0,0x000000ff,true), - HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP16", false,0,0x0000ffff,true), - HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP32", false,0,0x00ffffff,true), - HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, 0,"R_SPARC_WDISP30", false,0,0x3fffffff,true), - HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, 0,"R_SPARC_WDISP22", false,0,0x003fffff,true), - HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, 0,"R_SPARC_HI22", false,0,0x003fffff,true), - HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_22", false,0,0x003fffff,true), - HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,0,"R_SPARC_13", false,0,0x00001fff,true), - HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, 0,"R_SPARC_LO10", false,0,0x000003ff,true), - HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT10", false,0,0x000003ff,true), - HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT13", false,0,0x00001fff,true), - HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT22", false,0,0x003fffff,true), - HOWTO(R_SPARC_PC10, 0,2,10,false,0,complain_overflow_bitfield,0,"R_SPARC_PC10", false,0,0x000003ff,true), - HOWTO(R_SPARC_PC22, 0,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_PC22", false,0,0x003fffff,true), - HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_WPLT30", false,0,0x00000000,true), - HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_COPY", false,0,0x00000000,true), - HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_GLOB_DAT",false,0,0x00000000,true), - HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_JMP_SLOT",false,0,0x00000000,true), - HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_RELATIVE",false,0,0x00000000,true), - HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_UA32", false,0,0x00000000,true), -}; - -/* Read a NetWare sparc reloc. */ - -struct nlm32_sparc_reloc_ext { - unsigned char offset[4]; - unsigned char addend[4]; - unsigned char type[1]; - unsigned char pad1[3]; -}; - -static boolean -nlm_sparc_read_reloc (abfd, sym, secp, rel) - bfd *abfd; - nlmNAME(symbol_type) *sym; - asection **secp; - arelent *rel; -{ - bfd_vma val, addend; - unsigned int index; - unsigned int type; - struct nlm32_sparc_reloc_ext tmp_reloc; - asection *code_sec, *data_sec; - - if (bfd_read (&tmp_reloc, 12, 1, abfd) != 12) - return false; - - code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME); - data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME); - - *secp = code_sec; - - val = bfd_get_32 (abfd, tmp_reloc.offset); - addend = bfd_get_32 (abfd, tmp_reloc.addend); - type = bfd_get_8 (abfd, tmp_reloc.type); - - rel->address = val; - rel->addend = addend; - rel->howto = NULL; - - for (index = 0; - index < sizeof(nlm32_sparc_howto_table) / sizeof(reloc_howto_type); - index++) - if (nlm32_sparc_howto_table[index].type == type) { - rel->howto = &nlm32_sparc_howto_table[index]; - break; - } - -#ifdef DEBUG - fprintf (stderr, "%s: address = %08lx, addend = %08lx, type = %d, howto = %08lx\n", - __FUNCTION__, rel->address, rel->addend, type, rel->howto); -#endif - return true; - -} - -/* Write a NetWare sparc reloc. */ - -static boolean -nlm_sparc_write_reloc (abfd, sec, rel) - bfd *abfd; - asection *sec; - arelent *rel; -{ - bfd_vma val; - struct nlm32_sparc_reloc_ext tmp_reloc; - unsigned int index; - int type = -1; - reloc_howto_type *tmp; - - - for (index = 0; - index < sizeof (nlm32_sparc_howto_table) / sizeof(reloc_howto_type); - index++) { - tmp = &nlm32_sparc_howto_table[index]; - - if (tmp->rightshift == rel->howto->rightshift - && tmp->size == rel->howto->size - && tmp->bitsize == rel->howto->bitsize - && tmp->pc_relative == rel->howto->pc_relative - && tmp->bitpos == rel->howto->bitpos - && tmp->src_mask == rel->howto->src_mask - && tmp->dst_mask == rel->howto->dst_mask) { - type = tmp->type; - break; - } - } - if (type == -1) - abort(); - - /* - * Netware wants a list of relocs for each address. - * Format is: - * long offset - * long addend - * char type - * That should be it. - */ - - /* The value we write out is the offset into the appropriate - segment. This offset is the section vma, adjusted by the vma of - the lowest section in that segment, plus the address of the - relocation. */ -#if 0 - val = bfd_get_section_vma (abfd, (*rel->sym_ptr_ptr)->section) + rel->address; -#else - val = bfd_get_section_vma (abfd, sec) + rel->address; -#endif - -#ifdef DEBUG - fprintf (stderr, "%s: val = %08lx, addend = %08lx, type = %d\n", - __FUNCTION__, val, rel->addend, rel->howto->type); -#endif - bfd_put_32 (abfd, val, tmp_reloc.offset); - bfd_put_32 (abfd, rel->addend, tmp_reloc.addend); - bfd_put_8 (abfd, (short)(rel->howto->type), tmp_reloc.type); - - if (bfd_write (&tmp_reloc, 12, 1, abfd) != 12) - return false; - - return true; -} - -/* Mangle relocs for SPARC NetWare. We can just use the standard - SPARC relocs. */ - -static boolean -nlm_sparc_mangle_relocs (abfd, sec, data, offset, count) - bfd *abfd; - asection *sec; - PTR data; - bfd_vma offset; - bfd_size_type count; -{ - return true; -} - -/* Read a NetWare sparc import record */ -static boolean -nlm_sparc_read_import (abfd, sym) - bfd *abfd; - nlmNAME(symbol_type) *sym; -{ - struct nlm_relent *nlm_relocs; /* relocation records for symbol */ - bfd_size_type rcount; /* number of relocs */ - bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* temporary 32-bit value */ - unsigned char symlength; /* length of symbol name */ - char *name; - - /* - * First, read in the number of relocation - * entries for this symbol - */ - if (bfd_read ((PTR) temp, 4, 1, abfd) != 4) - return false; - - rcount = bfd_get_32 (abfd, temp); - - /* - * Next, read in the length of the symbol - */ - - if (bfd_read ((PTR) &symlength, sizeof (symlength), 1, abfd) - != sizeof (symlength)) - return false; - sym -> symbol.the_bfd = abfd; - name = bfd_alloc (abfd, symlength + 1); - if (name == NULL) - return false; - - /* - * Then read in the symbol - */ - - if (bfd_read (name, symlength, 1, abfd) != symlength) - return false; - name[symlength] = '\0'; - sym -> symbol.name = name; - sym -> symbol.flags = 0; - sym -> symbol.value = 0; - sym -> symbol.section = bfd_und_section_ptr; - - /* - * Next, start reading in the relocs. - */ - - nlm_relocs = ((struct nlm_relent *) - bfd_alloc (abfd, rcount * sizeof (struct nlm_relent))); - if (!nlm_relocs) - return false; - sym -> relocs = nlm_relocs; - sym -> rcnt = 0; - while (sym -> rcnt < rcount) - { - asection *section; - - if (nlm_sparc_read_reloc (abfd, sym, §ion, - &nlm_relocs -> reloc) - == false) - return false; - nlm_relocs -> section = section; - nlm_relocs++; - sym -> rcnt++; - } - return true; -} - -static boolean -nlm_sparc_write_import (abfd, sec, rel) - bfd *abfd; - asection *sec; - arelent *rel; -{ - char temp[4]; - asection *code, *data, *bss, *symsec; - bfd_vma base; - - code = bfd_get_section_by_name (abfd, NLM_CODE_NAME); - data = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME); - bss = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME); - symsec = (*rel->sym_ptr_ptr)->section; - - if (symsec == code) { - base = 0; - } else if (symsec == data) { - base = bfd_section_size (abfd, code); - } else if (symsec == bss) { - base = bfd_section_size (abfd, code) + bfd_section_size (abfd, data); - } else - base = 0; - -#ifdef DEBUG - fprintf (stderr, "%s: <%x, 1>\n\t", - __FUNCTION__, base + (*rel->sym_ptr_ptr)->value); -#endif - bfd_put_32 (abfd, base + (*rel->sym_ptr_ptr)->value, temp); - if (bfd_write ((PTR)temp, 4, 1, abfd) != 4) - return false; - bfd_put_32 (abfd, 1, temp); - if (bfd_write ((PTR)temp, 4, 1, abfd) != 4) - return false; - if (nlm_sparc_write_reloc (abfd, sec, rel) == false) - return false; - return true; -} - -/* Write out an external reference. */ - -static boolean -nlm_sparc_write_external (abfd, count, sym, relocs) - bfd *abfd; - bfd_size_type count; - asymbol *sym; - struct reloc_and_sec *relocs; -{ - unsigned int i; - bfd_byte len; - unsigned char temp[NLM_TARGET_LONG_SIZE]; - - bfd_put_32 (abfd, count, temp); - if (bfd_write (temp, sizeof(temp), 1, abfd) != sizeof (temp)) - return false; - - len = strlen (sym->name); - if ((bfd_write (&len, sizeof (bfd_byte), 1, abfd) != sizeof(bfd_byte)) - || bfd_write (sym->name, len, 1, abfd) != len) - return false; - - for (i = 0; i < count; i++) - { - if (nlm_sparc_write_reloc (abfd, relocs[i].sec, - relocs[i].rel) == false) - return false; - } - - return true; -} - -static boolean -nlm_sparc_write_export (abfd, sym, value) - bfd *abfd; - asymbol *sym; - bfd_vma value; -{ - bfd_byte len; - bfd_byte temp[4]; - -#ifdef DEBUG - fprintf (stderr, "%s: <%x, %d, %s>\n", - __FUNCTION__, value, strlen (sym->name), sym->name); -#endif - bfd_put_32 (abfd, value, temp); - len = strlen (sym->name); - - if (bfd_write (temp, 4, 1, abfd) != 4 - || bfd_write (&len, 1, 1, abfd) != 1 - || bfd_write (sym->name, len, 1, abfd) != len) - return false; - - return true; -} - -#undef nlm_swap_fixed_header_in -#undef nlm_swap_fixed_header_out - -#include "nlmswap.h" - -static const struct nlm_backend_data nlm32_sparc_backend = -{ - "NetWare SPARC Module \032", - sizeof (Nlm32_sparc_External_Fixed_Header), - 0, /* optional_prefix_size */ - bfd_arch_sparc, - 0, - false, - 0, /* backend_object_p */ - 0, /* write_prefix_func */ - nlm_sparc_read_reloc, - nlm_sparc_mangle_relocs, - nlm_sparc_read_import, - nlm_sparc_write_import, - 0, /* set_public_section */ - 0, /* get_public_offset */ - nlm_swap_fixed_header_in, - nlm_swap_fixed_header_out, - nlm_sparc_write_external, - nlm_sparc_write_export -}; - -#define TARGET_BIG_NAME "nlm32-sparc" -#define TARGET_BIG_SYM nlmNAME(sparc_vec) -#define TARGET_BACKEND_DATA &nlm32_sparc_backend - -#include "nlm-target.h" |