diff options
Diffstat (limited to 'binutils-2.24/bfd/coff-tic4x.c')
| -rw-r--r-- | binutils-2.24/bfd/coff-tic4x.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/binutils-2.24/bfd/coff-tic4x.c b/binutils-2.24/bfd/coff-tic4x.c deleted file mode 100644 index c59894a0..00000000 --- a/binutils-2.24/bfd/coff-tic4x.c +++ /dev/null @@ -1,291 +0,0 @@ -/* BFD back-end for TMS320C4X coff binaries. - Copyright 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2005, 2007, - 2008, 2012 Free Software Foundation, Inc. - - Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz) - - 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 "bfdlink.h" -#include "coff/tic4x.h" -#include "coff/internal.h" -#include "libcoff.h" - -#undef F_LSYMS -#define F_LSYMS F_LSYMS_TICOFF - -static reloc_howto_type * -coff_tic4x_rtype_to_howto (bfd *, asection *, struct internal_reloc *, - struct coff_link_hash_entry *, - struct internal_syment *, bfd_vma *); -static void -tic4x_reloc_processing (arelent *, struct internal_reloc *, - asymbol **, bfd *, asection *); - -/* Replace the stock _bfd_coff_is_local_label_name to recognize TI COFF local - labels. */ -static bfd_boolean -ticoff_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, - const char *name) -{ - if (TICOFF_LOCAL_LABEL_P(name)) - return TRUE; - return FALSE; -} - -#define coff_bfd_is_local_label_name ticoff_bfd_is_local_label_name - -#define RELOC_PROCESSING(RELENT,RELOC,SYMS,ABFD,SECT)\ - tic4x_reloc_processing (RELENT,RELOC,SYMS,ABFD,SECT) - -/* Customize coffcode.h; the default coff_ functions are set up to use - COFF2; coff_bad_format_hook uses BADMAG, so set that for COFF2. - The COFF1 and COFF0 vectors use custom _bad_format_hook procs - instead of setting BADMAG. */ -#define BADMAG(x) COFF2_BADMAG(x) - -#undef coff_rtype_to_howto -#define coff_rtype_to_howto coff_tic4x_rtype_to_howto - -#ifndef bfd_pe_print_pdata -#define bfd_pe_print_pdata NULL -#endif - -#include "coffcode.h" - -static bfd_reloc_status_type -tic4x_relocation (bfd *abfd ATTRIBUTE_UNUSED, - arelent *reloc_entry, - asymbol *symbol ATTRIBUTE_UNUSED, - void * data ATTRIBUTE_UNUSED, - asection *input_section, - bfd *output_bfd, - char **error_message ATTRIBUTE_UNUSED) -{ - if (output_bfd != (bfd *) NULL) - { - /* This is a partial relocation, and we want to apply the - relocation to the reloc entry rather than the raw data. - Modify the reloc inplace to reflect what we now know. */ - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - return bfd_reloc_continue; -} - -reloc_howto_type tic4x_howto_table[] = -{ - HOWTO(R_RELWORD, 0, 2, 16, FALSE, 0, complain_overflow_signed, tic4x_relocation, "RELWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_REL24, 0, 2, 24, FALSE, 0, complain_overflow_bitfield, tic4x_relocation, "REL24", TRUE, 0x00ffffff, 0x00ffffff, FALSE), - HOWTO(R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_dont, tic4x_relocation, "RELLONG", TRUE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(R_PCRWORD, 0, 2, 16, TRUE, 0, complain_overflow_signed, tic4x_relocation, "PCRWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_PCR24, 0, 2, 24, TRUE, 0, complain_overflow_signed, tic4x_relocation, "PCR24", TRUE, 0x00ffffff, 0x00ffffff, FALSE), - HOWTO(R_PARTLS16, 0, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "PARTLS16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_PARTMS8, 16, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "PARTMS8", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_RELWORD, 0, 2, 16, FALSE, 0, complain_overflow_signed, tic4x_relocation, "ARELWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_REL24, 0, 2, 24, FALSE, 0, complain_overflow_signed, tic4x_relocation, "AREL24", TRUE, 0x00ffffff, 0x00ffffff, FALSE), - HOWTO(R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_signed, tic4x_relocation, "ARELLONG", TRUE, 0xffffffff, 0xffffffff, FALSE), - HOWTO(R_PCRWORD, 0, 2, 16, TRUE, 0, complain_overflow_signed, tic4x_relocation, "APCRWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_PCR24, 0, 2, 24, TRUE, 0, complain_overflow_signed, tic4x_relocation, "APCR24", TRUE, 0x00ffffff, 0x00ffffff, FALSE), - HOWTO(R_PARTLS16, 0, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "APARTLS16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), - HOWTO(R_PARTMS8, 16, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "APARTMS8", TRUE, 0x0000ffff, 0x0000ffff, FALSE), -}; -#define HOWTO_SIZE (sizeof(tic4x_howto_table) / sizeof(tic4x_howto_table[0])) - -#undef coff_bfd_reloc_type_lookup -#define coff_bfd_reloc_type_lookup tic4x_coff_reloc_type_lookup -#undef coff_bfd_reloc_name_lookup -#define coff_bfd_reloc_name_lookup tic4x_coff_reloc_name_lookup - -/* For the case statement use the code values used tc_gen_reloc (defined in - bfd/reloc.c) to map to the howto table entries. */ - -static reloc_howto_type * -tic4x_coff_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int type; - unsigned int i; - - switch (code) - { - case BFD_RELOC_32: type = R_RELLONG; break; - case BFD_RELOC_24: type = R_REL24; break; - case BFD_RELOC_16: type = R_RELWORD; break; - case BFD_RELOC_24_PCREL: type = R_PCR24; break; - case BFD_RELOC_16_PCREL: type = R_PCRWORD; break; - case BFD_RELOC_HI16: type = R_PARTMS8; break; - case BFD_RELOC_LO16: type = R_PARTLS16; break; - default: - return NULL; - } - - for (i = 0; i < HOWTO_SIZE; i++) - { - if (tic4x_howto_table[i].type == type) - return tic4x_howto_table + i; - } - return NULL; -} - -static reloc_howto_type * -tic4x_coff_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, - const char *r_name) -{ - unsigned int i; - - for (i = 0; - i < sizeof (tic4x_howto_table) / sizeof (tic4x_howto_table[0]); - i++) - if (tic4x_howto_table[i].name != NULL - && strcasecmp (tic4x_howto_table[i].name, r_name) == 0) - return &tic4x_howto_table[i]; - - return NULL; -} - -/* Code to turn a r_type into a howto ptr, uses the above howto table. - Called after some initial checking by the tic4x_rtype_to_howto fn - below. */ -static void -tic4x_lookup_howto (arelent *internal, - struct internal_reloc *dst) -{ - unsigned int i; - int bank = (dst->r_symndx == -1) ? HOWTO_BANK : 0; - - for (i = 0; i < HOWTO_SIZE; i++) - { - if (tic4x_howto_table[i].type == dst->r_type) - { - internal->howto = tic4x_howto_table + i + bank; - return; - } - } - - (*_bfd_error_handler) (_("Unrecognized reloc type 0x%x"), - (unsigned int) dst->r_type); - abort(); -} - -static reloc_howto_type * -coff_tic4x_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, - asection *sec, - struct internal_reloc *rel, - struct coff_link_hash_entry *h ATTRIBUTE_UNUSED, - struct internal_syment *sym ATTRIBUTE_UNUSED, - bfd_vma *addendp) -{ - arelent genrel; - - if (rel->r_symndx == -1 && addendp != NULL) - /* This is a TI "internal relocation", which means that the relocation - amount is the amount by which the current section is being relocated - in the output section. */ - *addendp = (sec->output_section->vma + sec->output_offset) - sec->vma; - - tic4x_lookup_howto (&genrel, rel); - - return genrel.howto; -} - - -static void -tic4x_reloc_processing (arelent *relent, - struct internal_reloc *reloc, - asymbol **symbols, - bfd *abfd, - asection *section) -{ - asymbol *ptr; - - relent->address = reloc->r_vaddr; - - if (reloc->r_symndx != -1) - { - if (reloc->r_symndx < 0 || reloc->r_symndx >= obj_conv_table_size (abfd)) - { - (*_bfd_error_handler) - (_("%s: warning: illegal symbol index %ld in relocs"), - bfd_get_filename (abfd), reloc->r_symndx); - relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; - ptr = NULL; - } - else - { - relent->sym_ptr_ptr = (symbols - + obj_convert (abfd)[reloc->r_symndx]); - ptr = *(relent->sym_ptr_ptr); - } - } - else - { - relent->sym_ptr_ptr = section->symbol_ptr_ptr; - ptr = *(relent->sym_ptr_ptr); - } - - /* The symbols definitions that we have read in have been relocated - as if their sections started at 0. But the offsets refering to - the symbols in the raw data have not been modified, so we have to - have a negative addend to compensate. - - Note that symbols which used to be common must be left alone. */ - - /* Calculate any reloc addend by looking at the symbol. */ - CALC_ADDEND (abfd, ptr, *reloc, relent); - - relent->address -= section->vma; - /* !! relent->section = (asection *) NULL; */ - - /* Fill in the relent->howto field from reloc->r_type. */ - tic4x_lookup_howto (relent, reloc); -} - - -/* TI COFF v0, DOS tools (little-endian headers). */ -CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff0_vec, "coff0-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - NULL, &ticoff0_swap_table); - -/* TI COFF v0, SPARC tools (big-endian headers). */ -CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff0_beh_vec, "coff0-beh-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - &tic4x_coff0_vec, &ticoff0_swap_table); - -/* TI COFF v1, DOS tools (little-endian headers). */ -CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff1_vec, "coff1-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - &tic4x_coff0_beh_vec, &ticoff1_swap_table); - -/* TI COFF v1, SPARC tools (big-endian headers). */ -CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff1_beh_vec, "coff1-beh-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - &tic4x_coff1_vec, &ticoff1_swap_table); - -/* TI COFF v2, TI DOS tools output (little-endian headers). */ -CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff2_vec, "coff2-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - &tic4x_coff1_beh_vec, COFF_SWAP_TABLE); - -/* TI COFF v2, TI SPARC tools output (big-endian headers). */ -CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff2_beh_vec, "coff2-beh-tic4x", - HAS_LOAD_PAGE, SEC_CODE | SEC_READONLY, '_', - &tic4x_coff2_vec, COFF_SWAP_TABLE); |