diff options
Diffstat (limited to 'bfd/aout-arm.c')
| -rw-r--r-- | bfd/aout-arm.c | 285 |
1 files changed, 140 insertions, 145 deletions
diff --git a/bfd/aout-arm.c b/bfd/aout-arm.c index ddb0325..cec21ff 100644 --- a/bfd/aout-arm.c +++ b/bfd/aout-arm.c @@ -1,5 +1,5 @@ /* BFD back-end for raw ARM a.out binaries. - Copyright 1994, 1995, 1997, 1998, 1999, 2000 + Copyright 1994, 1995, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org) @@ -19,6 +19,15 @@ 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" +/* Avoid multiple defininitions from aoutx if supporting standarad a.out + as well as our own. */ +#define NAME(x,y) CAT3(aoutarm,_32_,y) + +#include "libaout.h" +#include "aout/aout64.h" + #define N_TXTADDR(x) \ ((N_MAGIC(x) == NMAGIC) ? 0x8000 : \ (N_MAGIC(x) != ZMAGIC) ? 0 : \ @@ -36,63 +45,45 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ ((x).a_info != NMAGIC)) #define N_MAGIC(x) ((x).a_info & ~07200) -#include "bfd.h" -#include "sysdep.h" - -#define MYARM(OP) CAT(aoutarm_,OP) -reloc_howto_type *MYARM(bfd_reloc_type_lookup) - PARAMS((bfd *, bfd_reloc_code_real_type)); -static boolean MYARM(write_object_contents) PARAMS((bfd *)); - -/* Avoid multiple defininitions from aoutx if supporting standarad a.out - as well as our own. */ -#define NAME(x,y) CAT3(aoutarm,_32_,y) - #define MY_bfd_reloc_type_lookup aoutarm_bfd_reloc_type_lookup -#include "libaout.h" -#include "aout/aout64.h" - -static bfd_reloc_status_type -MY(fix_pcrel_26_done) PARAMS ((bfd *, arelent *, asymbol *, PTR, - asection *, bfd *, char **)); - -static bfd_reloc_status_type -MY(fix_pcrel_26) PARAMS ((bfd *, arelent *, asymbol *, PTR, - asection *, bfd *, char **)); -static void MY(swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *, - arelent *, asymbol **, - bfd_size_type)); -void MY(swap_std_reloc_out) PARAMS ((bfd *, arelent *, - struct reloc_std_external *)); - +static boolean MY(write_object_contents) PARAMS ((bfd *)); +static bfd_reloc_status_type MY(fix_pcrel_26_done) PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); +static bfd_reloc_status_type MY(fix_pcrel_26) PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); +static void MY(swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *, arelent *, asymbol **, bfd_size_type)); +reloc_howto_type * MY(bfd_reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type)); +reloc_howto_type * MY(reloc_howto) PARAMS ((bfd *, struct reloc_std_external *, int *, int *, int *)); +void MY(put_reloc) PARAMS ((bfd *, int, int, long, reloc_howto_type *, struct reloc_std_external *)); +void MY(relocatable_reloc) PARAMS ((reloc_howto_type *, bfd *, struct reloc_std_external *, bfd_vma *, bfd_vma)); +void MY(swap_std_reloc_out) PARAMS ((bfd *, arelent *, struct reloc_std_external *)); + reloc_howto_type MY(howto_table)[] = -{ - /* type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask - pcdone */ - HOWTO (0, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, - 0x000000ff, 0x000000ff, false), - HOWTO (1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, - 0x0000ffff, 0x0000ffff, false), - HOWTO (2, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, - 0xffffffff, 0xffffffff, false), - HOWTO (3, 2, 2, 26, true, 0, complain_overflow_signed, MY(fix_pcrel_26), - "ARM26", true, 0x00ffffff, 0x00ffffff, true), - HOWTO (4, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, - 0x000000ff, 0x000000ff, true), - HOWTO (5, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, - 0x0000ffff, 0x0000ffff, true), - HOWTO (6, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, - 0xffffffff, 0xffffffff, true), - HOWTO (7, 2, 2, 26, false, 0, complain_overflow_signed, - MY(fix_pcrel_26_done), "ARM26D", true, 0x0, 0x0, - false), - EMPTY_HOWTO (-1), - HOWTO (9, 0, -1, 16, false, 0, complain_overflow_bitfield, 0, "NEG16", true, - 0x0000ffff, 0x0000ffff, false), - HOWTO (10, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "NEG32", true, - 0xffffffff, 0xffffffff, false) -}; + { + /* Type rs size bsz pcrel bitpos ovrf sf name part_inpl + readmask setmask pcdone. */ + HOWTO (0, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, + 0x000000ff, 0x000000ff, false), + HOWTO (1, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, + 0x0000ffff, 0x0000ffff, false), + HOWTO (2, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, + 0xffffffff, 0xffffffff, false), + HOWTO (3, 2, 2, 26, true, 0, complain_overflow_signed, MY(fix_pcrel_26), + "ARM26", true, 0x00ffffff, 0x00ffffff, true), + HOWTO (4, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, + 0x000000ff, 0x000000ff, true), + HOWTO (5, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, + 0x0000ffff, 0x0000ffff, true), + HOWTO (6, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, + 0xffffffff, 0xffffffff, true), + HOWTO (7, 2, 2, 26, false, 0, complain_overflow_signed, + MY(fix_pcrel_26_done), "ARM26D", true, 0x0, 0x0, + false), + EMPTY_HOWTO (-1), + HOWTO (9, 0, -1, 16, false, 0, complain_overflow_bitfield, 0, "NEG16", true, + 0x0000ffff, 0x0000ffff, false), + HOWTO (10, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "NEG32", true, + 0xffffffff, 0xffffffff, false) + }; #define RELOC_ARM_BITS_NEG_BIG ((unsigned int) 0x08) #define RELOC_ARM_BITS_NEG_LITTLE ((unsigned int) 0x10) @@ -157,14 +148,16 @@ MY(put_reloc) (abfd, r_extern, r_index, value, howto, reloc) int r_neg; PUT_WORD (abfd, value, reloc->r_address); - r_length = howto->size ; /* Size as a power of two */ + /* Size as a power of two. */ + r_length = howto->size; /* Special case for branch relocations. */ if (howto->type == 3 || howto->type == 7) r_length = 3; - r_pcrel = howto->type & 4; /* PC Relative done? */ - r_neg = howto->type & 8; /* Negative relocation */ + r_pcrel = howto->type & 4; /* PC Relative done? */ + r_neg = howto->type & 8; /* Negative relocation. */ + if (bfd_header_big_endian (abfd)) { reloc->r_index[0] = r_index >> 16; @@ -258,7 +251,7 @@ MY(fix_pcrel_26) (abfd, reloc_entry, symbol, data, input_section, long target = bfd_get_32 (abfd, (bfd_byte *) data + addr); bfd_reloc_status_type flag = bfd_reloc_ok; - /* If this is an undefined symbol, return error */ + /* If this is an undefined symbol, return error. */ if (symbol->section == &bfd_und_section && (symbol->flags & BSF_WEAK) == 0) return output_bfd ? bfd_reloc_ok : bfd_reloc_undefined; @@ -270,7 +263,7 @@ MY(fix_pcrel_26) (abfd, reloc_entry, symbol, data, input_section, return bfd_reloc_ok; relocation = (target & 0x00ffffff) << 2; - relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend */ + relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */ relocation += symbol->value; relocation += symbol->section->output_section->vma; relocation += symbol->section->output_offset; @@ -281,7 +274,7 @@ MY(fix_pcrel_26) (abfd, reloc_entry, symbol, data, input_section, if (relocation & 3) return bfd_reloc_overflow; - /* Check for overflow */ + /* Check for overflow. */ if (relocation & 0x02000000) { if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff) @@ -313,7 +306,8 @@ MY(bfd_reloc_type_lookup) (abfd,code) case 32: code = BFD_RELOC_32; break; - default: return (CONST struct reloc_howto_struct *) 0; + default: + return (CONST struct reloc_howto_struct *) 0; } switch (code) @@ -324,7 +318,8 @@ MY(bfd_reloc_type_lookup) (abfd,code) ASTD (BFD_RELOC_8_PCREL, 4); ASTD (BFD_RELOC_16_PCREL, 5); ASTD (BFD_RELOC_32_PCREL, 6); - default: return (CONST struct reloc_howto_struct *) 0; + default: + return (CONST struct reloc_howto_struct *) 0; } } @@ -419,25 +414,25 @@ MY_swap_std_reloc_out (abfd, g, natptr) if (bfd_abs_section.symbol == sym) { /* Whoops, looked like an abs symbol, but is really an offset - from the abs section */ + from the abs section. */ r_index = 0; r_extern = 0; } else { - /* Fill in symbol */ + /* Fill in symbol. */ r_extern = 1; r_index = (*(g->sym_ptr_ptr))->KEEPIT; } } else { - /* Just an ordinary section */ + /* Just an ordinary section. */ r_extern = 0; r_index = output_section->target_index; } - /* now the fun stuff */ + /* Now the fun stuff. */ if (bfd_header_big_endian (abfd)) { natptr->r_index[0] = r_index >> 16; @@ -469,83 +464,83 @@ MY_swap_std_reloc_out (abfd, g, natptr) extern const bfd_target aout_arm_big_vec; const bfd_target aout_arm_little_vec = -{ - "a.out-arm-little", /* name */ - bfd_target_aout_flavour, - BFD_ENDIAN_LITTLE, /* target byte order (little) */ - BFD_ENDIAN_LITTLE, /* target headers byte order (little) */ - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), - MY_symbol_leading_char, - AR_PAD_CHAR, /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ - bfd_getl64, bfd_getl_signed_64, bfd_putl64, - bfd_getl32, bfd_getl_signed_32, bfd_putl32, - bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ - {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ - bfd_generic_archive_p, MY_core_file_p}, - {bfd_false, MY_mkobject, /* bfd_set_format */ - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, MY_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (MY), - BFD_JUMP_TABLE_COPY (MY), - BFD_JUMP_TABLE_CORE (MY), - BFD_JUMP_TABLE_ARCHIVE (MY), - BFD_JUMP_TABLE_SYMBOLS (MY), - BFD_JUMP_TABLE_RELOCS (MY), - BFD_JUMP_TABLE_WRITE (MY), - BFD_JUMP_TABLE_LINK (MY), - BFD_JUMP_TABLE_DYNAMIC (MY), - - & aout_arm_big_vec, - - (PTR) MY_backend_data, -}; + { + "a.out-arm-little", /* name */ + bfd_target_aout_flavour, + BFD_ENDIAN_LITTLE, /* target byte order (little) */ + BFD_ENDIAN_LITTLE, /* target headers byte order (little) */ + (HAS_RELOC | EXEC_P | /* object flags */ + HAS_LINENO | HAS_DEBUG | + HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), + MY_symbol_leading_char, + AR_PAD_CHAR, /* ar_pad_char */ + 15, /* ar_max_namelen */ + bfd_getl64, bfd_getl_signed_64, bfd_putl64, + bfd_getl32, bfd_getl_signed_32, bfd_putl32, + bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ + bfd_getl64, bfd_getl_signed_64, bfd_putl64, + bfd_getl32, bfd_getl_signed_32, bfd_putl32, + bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ + {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ + bfd_generic_archive_p, MY_core_file_p}, + {bfd_false, MY_mkobject, /* bfd_set_format */ + _bfd_generic_mkarchive, bfd_false}, + {bfd_false, MY_write_object_contents, /* bfd_write_contents */ + _bfd_write_archive_contents, bfd_false}, + + BFD_JUMP_TABLE_GENERIC (MY), + BFD_JUMP_TABLE_COPY (MY), + BFD_JUMP_TABLE_CORE (MY), + BFD_JUMP_TABLE_ARCHIVE (MY), + BFD_JUMP_TABLE_SYMBOLS (MY), + BFD_JUMP_TABLE_RELOCS (MY), + BFD_JUMP_TABLE_WRITE (MY), + BFD_JUMP_TABLE_LINK (MY), + BFD_JUMP_TABLE_DYNAMIC (MY), + + & aout_arm_big_vec, + + (PTR) MY_backend_data, + }; const bfd_target aout_arm_big_vec = -{ - "a.out-arm-big", /* name */ - bfd_target_aout_flavour, - BFD_ENDIAN_BIG, /* target byte order (big) */ - BFD_ENDIAN_BIG, /* target headers byte order (big) */ - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), - MY_symbol_leading_char, - AR_PAD_CHAR, /* ar_pad_char */ - 15, /* ar_max_namelen */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ - {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ - bfd_generic_archive_p, MY_core_file_p}, - {bfd_false, MY_mkobject, /* bfd_set_format */ - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, MY_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (MY), - BFD_JUMP_TABLE_COPY (MY), - BFD_JUMP_TABLE_CORE (MY), - BFD_JUMP_TABLE_ARCHIVE (MY), - BFD_JUMP_TABLE_SYMBOLS (MY), - BFD_JUMP_TABLE_RELOCS (MY), - BFD_JUMP_TABLE_WRITE (MY), - BFD_JUMP_TABLE_LINK (MY), - BFD_JUMP_TABLE_DYNAMIC (MY), - - & aout_arm_little_vec, - - (PTR) MY_backend_data, -}; + { + "a.out-arm-big", /* name */ + bfd_target_aout_flavour, + BFD_ENDIAN_BIG, /* target byte order (big) */ + BFD_ENDIAN_BIG, /* target headers byte order (big) */ + (HAS_RELOC | EXEC_P | /* object flags */ + HAS_LINENO | HAS_DEBUG | + HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), + (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), + MY_symbol_leading_char, + AR_PAD_CHAR, /* ar_pad_char */ + 15, /* ar_max_namelen */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ + bfd_getb64, bfd_getb_signed_64, bfd_putb64, + bfd_getb32, bfd_getb_signed_32, bfd_putb32, + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ + {_bfd_dummy_target, MY_object_p, /* bfd_check_format */ + bfd_generic_archive_p, MY_core_file_p}, + {bfd_false, MY_mkobject, /* bfd_set_format */ + _bfd_generic_mkarchive, bfd_false}, + {bfd_false, MY_write_object_contents, /* bfd_write_contents */ + _bfd_write_archive_contents, bfd_false}, + + BFD_JUMP_TABLE_GENERIC (MY), + BFD_JUMP_TABLE_COPY (MY), + BFD_JUMP_TABLE_CORE (MY), + BFD_JUMP_TABLE_ARCHIVE (MY), + BFD_JUMP_TABLE_SYMBOLS (MY), + BFD_JUMP_TABLE_RELOCS (MY), + BFD_JUMP_TABLE_WRITE (MY), + BFD_JUMP_TABLE_LINK (MY), + BFD_JUMP_TABLE_DYNAMIC (MY), + + & aout_arm_little_vec, + + (PTR) MY_backend_data, + }; 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