binutils-gdb/bfd/cpu-cris.c

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/* BFD support for the Axis CRIS architecture.
Copyright 2000, 2002, 2004, 2005, 2007
Free Software Foundation, Inc.
Contributed by Axis Communications AB.
Written by Hans-Peter Nilsson.
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"
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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/* This routine is provided two arch_infos and returns the lowest common
denominator. CRIS v0..v10 vs. v32 are not compatible in general, but
there's a compatible subset for which we provide an arch_info. */
static const bfd_arch_info_type * get_compatible
PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
static const bfd_arch_info_type *
get_compatible (a,b)
const bfd_arch_info_type *a;
const bfd_arch_info_type *b;
{
/* Arches must match. */
if (a->arch != b->arch)
return NULL;
/* If either is the compatible mach, return the other. */
if (a->mach == bfd_mach_cris_v10_v32)
return b;
if (b->mach == bfd_mach_cris_v10_v32)
return a;
#if 0
/* The code below is disabled but kept as a warning.
See ldlang.c:lang_check. Quite illogically, incompatible arches
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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(as signalled by this function) are only *warned* about, while with
this function signalling compatible ones, we can have the
cris_elf_merge_private_bfd_data function return an error. This is
undoubtedly a FIXME: in general. Also, the
command_line.warn_mismatch flag and the --no-warn-mismatch option
are misnamed for the multitude of ports that signal compatibility:
it is there an error, not a warning. We work around it by
pretending matching machs here. */
/* Except for the compatible mach, machs must match. */
if (a->mach != b->mach)
return NULL;
#endif
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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return a;
}
#define N(NUMBER, PRINT, NEXT) \
{ 32, 32, 8, bfd_arch_cris, NUMBER, "cris", PRINT, 1, FALSE, \
get_compatible, bfd_default_scan, NEXT }
static const bfd_arch_info_type bfd_cris_arch_compat_v10_v32 =
N (bfd_mach_cris_v10_v32, "cris:common_v10_v32", NULL);
static const bfd_arch_info_type bfd_cris_arch_v32 =
N (bfd_mach_cris_v32, "crisv32", &bfd_cris_arch_compat_v10_v32);
const bfd_arch_info_type bfd_cris_arch =
{
32, /* There's 32 bits_per_word. */
32, /* There's 32 bits_per_address. */
8, /* There's 8 bits_per_byte. */
bfd_arch_cris, /* One of enum bfd_architecture, defined
in archures.c and provided in
generated header files. */
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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bfd_mach_cris_v0_v10, /* Random BFD-internal number for this
machine, similarly listed in
archures.c. Not emitted in output. */
"cris", /* The arch_name. */
"cris", /* The printable name is the same. */
1, /* Section alignment power; each section
is aligned to (only) 2^1 bytes. */
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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TRUE, /* This is the default "machine". */
get_compatible, /* A function for testing
"machine" compatibility of two
bfd_arch_info_type. */
bfd_default_scan, /* Check if a bfd_arch_info_type is a
match. */
* config.bfd: Support crisv32-*-* like cris-*-*. * archures.c (bfd_mach_cris_v0_v10, bfd_mach_cris_v32) (bfd_mach_cris_v10_v32): New macros. * cpu-cris.c: Tweak formatting. (get_compatible): New function. (N): New macro. (bfd_cris_arch_compat_v10_v32, bfd_cris_arch_v32): New bfd_arch_info_type:s. (bfd_cris_arch): Use bfd_mach_cris_v0_v10 for member mach, get_compatible for member compatible and link bfd_cris_arch_v32 as next. * elf32-cris.c (cris_elf_pcrel_reloc) (cris_elf_set_mach_from_flags): New functions. (cris_elf_howto_table) <R_CRIS_8_PCREL, R_CRIS_16_PCREL> <R_CRIS_32_PCREL>: Use cris_elf_pcrel_reloc. (cris_elf_grok_prstatus, cris_elf_grok_psinfo): Give correct numbers for bfd_mach_cris_v32. (PLT_ENTRY_SIZE_V32): New macro. (elf_cris_plt0_entry): Drop last comma in initializer. (elf_cris_plt0_entry_v32, elf_cris_plt_entry_v32) (elf_cris_pic_plt0_entry_v32, elf_cris_pic_plt_entry_v32): New PLT initializers. (cris_elf_relocate_section): Change all "%B(%A)" messages to "%B, section %A". (elf_cris_finish_dynamic_symbol): Do V32-specific PLT entries. (elf_cris_finish_dynamic_sections): Similar. (elf_cris_adjust_dynamic_symbol): Similar. (cris_elf_check_relocs): Change all "%B(%A)" messages to "%B, section %A". <switch with PIC relocs>: Emit error and return FALSE for bfd_mach_cris_v10_v32. <case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>: Emit warning when generating textrel reloc. (cris_elf_object_p): Call cris_elf_set_mach_from_flags. (cris_elf_final_write_processing): Set flags according to mach. (cris_elf_print_private_bfd_data): Display EF_CRIS_VARIANT_COMMON_V10_V32 and EF_CRIS_VARIANT_V32. (cris_elf_merge_private_bfd_data): Drop variables old_flags, new_flags. Don't call cris_elf_final_write_processing. Don't look at the actual elf header flags at all; use bfd_get_symbol_leading_char to check ibfd, obfd. Trap difference in bfd_get_mach for ibfd and obfd and handle merging of compatible objects. (bfd_elf32_bfd_copy_private_bfd_data): Define. * reloc.c (BFD_RELOC_CRIS_SIGNED_8, BFD_RELOC_CRIS_UNSIGNED_8) (BFD_RELOC_CRIS_SIGNED_16, BFD_RELOC_CRIS_UNSIGNED_16) (BFD_RELOC_CRIS_LAPCQ_OFFSET): New relocs. * bfd-in2.h, libbfd.h: Regenerate.
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&bfd_cris_arch_v32 /* Pointer to next bfd_arch_info_type in
the same family. */
};
/*
* Local variables:
* eval: (c-set-style "gnu")
* indent-tabs-mode: t
* End:
*/