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Diffstat (limited to 'binutils-2.24/bfd/riscix.c')
-rw-r--r--binutils-2.24/bfd/riscix.c656
1 files changed, 0 insertions, 656 deletions
diff --git a/binutils-2.24/bfd/riscix.c b/binutils-2.24/bfd/riscix.c
deleted file mode 100644
index db04df18..00000000
--- a/binutils-2.24/bfd/riscix.c
+++ /dev/null
@@ -1,656 +0,0 @@
-/* BFD back-end for RISC iX (Acorn, arm) binaries.
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004,
- 2005, 2007, 2010, 2012 Free Software Foundation, Inc.
- Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
-
- 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. */
-
-
-/* RISC iX overloads the MAGIC field to indicate more than just the usual
- [ZNO]MAGIC values. Also included are squeezing information and
- shared library usage. */
-
-/* The following come from the man page. */
-#define SHLIBLEN 60
-
-#define MF_IMPURE 00200
-#define MF_SQUEEZED 01000
-#define MF_USES_SL 02000
-#define MF_IS_SL 04000
-
-/* Common combinations. */
-
-/* Demand load (impure text). */
-#define IMAGIC (MF_IMPURE | ZMAGIC)
-
-/* OMAGIC with large header.
- May contain a ref to a shared lib required by the object. */
-#define SPOMAGIC (MF_USES_SL | OMAGIC)
-
-/* A reference to a shared library.
- The text portion of the object contains "overflow text" from
- the shared library to be linked in with an object. */
-#define SLOMAGIC (MF_IS_SL | OMAGIC)
-
-/* Sqeezed demand paged.
- NOTE: This interpretation of QMAGIC seems to be at variance
- with that used on other architectures. */
-#define QMAGIC (MF_SQUEEZED | ZMAGIC)
-
-/* Program which uses sl. */
-#define SPZMAGIC (MF_USES_SL | ZMAGIC)
-
-/* Sqeezed ditto. */
-#define SPQMAGIC (MF_USES_SL | QMAGIC)
-
-/* Shared lib part of prog. */
-#define SLZMAGIC (MF_IS_SL | ZMAGIC)
-
-/* Sl which uses another. */
-#define SLPZMAGIC (MF_USES_SL | SLZMAGIC)
-
-#define N_SHARED_LIB(x) ((x).a_info & MF_USES_SL)
-
-/* Only a pure OMAGIC file has the minimal header. */
-#define N_TXTOFF(x) \
- ((x).a_info == OMAGIC \
- ? 32 \
- : (N_MAGIC(x) == ZMAGIC \
- ? TARGET_PAGE_SIZE \
- : 999))
-
-#define N_TXTADDR(x) \
- (N_MAGIC(x) != ZMAGIC \
- ? (bfd_vma) 0 /* object file or NMAGIC */ \
- /* Programs with shared libs are loaded at the first page after all the \
- text segments of the shared library programs. Without looking this \
- up we can't know exactly what the address will be. A reasonable guess \
- is that a_entry will be in the first page of the executable. */ \
- : (N_SHARED_LIB(x) \
- ? ((x).a_entry & ~(bfd_vma) (TARGET_PAGE_SIZE - 1)) \
- : (bfd_vma) TEXT_START_ADDR))
-
-#define N_SYMOFF(x) \
- (N_TXTOFF (x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize)
-
-#define N_STROFF(x) (N_SYMOFF (x) + (x).a_syms)
-
-#define TEXT_START_ADDR 32768
-#define TARGET_PAGE_SIZE 32768
-#define SEGMENT_SIZE TARGET_PAGE_SIZE
-#define DEFAULT_ARCH bfd_arch_arm
-
-/* Do not "beautify" the CONCAT* macro args. Traditional C will not
- remove whitespace added here, and thus will fail to concatenate
- the tokens. */
-#define MY(OP) CONCAT2 (riscix_,OP)
-#define TARGETNAME "a.out-riscix"
-#define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) \
- && (((x).a_info & ~006000) != OMAGIC) \
- && ((x).a_info != NMAGIC))
-#define N_MAGIC(x) ((x).a_info & ~07200)
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "libbfd.h"
-
-#define WRITE_HEADERS(abfd, execp) \
- { \
- bfd_size_type text_size; /* Dummy vars. */ \
- file_ptr text_end; \
- \
- if (adata (abfd).magic == undecided_magic) \
- NAME (aout, adjust_sizes_and_vmas) (abfd, & text_size, & text_end); \
- \
- execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
- execp->a_entry = bfd_get_start_address (abfd); \
- \
- execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
- obj_reloc_entry_size (abfd)); \
- execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
- obj_reloc_entry_size (abfd)); \
- NAME (aout, swap_exec_header_out) (abfd, execp, & exec_bytes); \
- \
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
- || bfd_bwrite ((void *) & exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
- abfd) != EXEC_BYTES_SIZE) \
- return FALSE; \
- /* Now write out reloc info, followed by syms and strings. */ \
- \
- if (bfd_get_outsymbols (abfd) != NULL \
- && bfd_get_symcount (abfd) != 0) \
- { \
- if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (* execp)), SEEK_SET) != 0)\
- return FALSE; \
- \
- if (! NAME (aout, write_syms) (abfd)) \
- return FALSE; \
- \
- if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (* execp)), SEEK_SET) != 0)\
- return FALSE; \
- \
- if (! riscix_squirt_out_relocs (abfd, obj_textsec (abfd))) \
- return FALSE; \
- if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (* execp)), SEEK_SET) != 0)\
- return FALSE; \
- \
- if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) \
- return FALSE; \
- } \
- }
-
-#include "libaout.h"
-#include "aout/aout64.h"
-
-static bfd_reloc_status_type
-riscix_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
- arelent *reloc_entry ATTRIBUTE_UNUSED,
- asymbol *symbol ATTRIBUTE_UNUSED,
- void * data ATTRIBUTE_UNUSED,
- asection *input_section ATTRIBUTE_UNUSED,
- bfd *output_bfd ATTRIBUTE_UNUSED,
- char **error_message ATTRIBUTE_UNUSED)
-{
- /* This is dead simple at present. */
- return bfd_reloc_ok;
-}
-
-static bfd_reloc_status_type riscix_fix_pcrel_26 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
-static const bfd_target *riscix_callback (bfd *);
-
-static reloc_howto_type riscix_std_reloc_howto[] =
-{
- /* 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, 3, 26, TRUE, 0, complain_overflow_signed, riscix_fix_pcrel_26 , "ARM26", TRUE, 0x00ffffff,0x00ffffff, FALSE),
- 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, 3, 26, FALSE, 0, complain_overflow_signed, riscix_fix_pcrel_26_done, "ARM26D",TRUE,0x00ffffff,0x00ffffff, 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 RISCIX_TABLE_SIZE \
- (sizeof (riscix_std_reloc_howto) / sizeof (reloc_howto_type))
-
-static bfd_reloc_status_type
-riscix_fix_pcrel_26 (bfd *abfd,
- arelent *reloc_entry,
- asymbol *symbol,
- void * data,
- asection *input_section,
- bfd *output_bfd,
- char **error_message ATTRIBUTE_UNUSED)
-{
- bfd_vma relocation;
- bfd_size_type addr = reloc_entry->address;
- 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 (bfd_is_und_section (symbol->section)
- && (symbol->flags & BSF_WEAK) == 0)
- return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
-
- /* If the sections are different, and we are doing a partial relocation,
- just ignore it for now. */
- if (symbol->section->name != input_section->name
- && output_bfd != NULL)
- return bfd_reloc_continue;
-
- relocation = (target & 0x00ffffff) << 2;
- relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
- relocation += symbol->value;
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
- relocation += reloc_entry->addend;
- relocation -= input_section->output_section->vma;
- relocation -= input_section->output_offset;
- relocation -= addr;
- if (relocation & 3)
- return bfd_reloc_overflow;
-
- /* Check for overflow. */
- if (relocation & 0x02000000)
- {
- if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
- flag = bfd_reloc_overflow;
- }
- else if (relocation & ~ (bfd_vma) 0x03ffffff)
- flag = bfd_reloc_overflow;
-
- target &= ~0x00ffffff;
- target |= (relocation >> 2) & 0x00ffffff;
- bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
-
- /* Now the ARM magic... Change the reloc type so that it is marked as done.
- Strictly this is only necessary if we are doing a partial relocation. */
- reloc_entry->howto = &riscix_std_reloc_howto[7];
-
- return flag;
-}
-
-static reloc_howto_type *
-riscix_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
-{
-#define ASTD(i,j) case i: return &riscix_std_reloc_howto[j]
- if (code == BFD_RELOC_CTOR)
- switch (bfd_arch_bits_per_address (abfd))
- {
- case 32:
- code = BFD_RELOC_32;
- break;
- default:
- return NULL;
- }
-
- switch (code)
- {
- ASTD (BFD_RELOC_16, 1);
- ASTD (BFD_RELOC_32, 2);
- ASTD (BFD_RELOC_ARM_PCREL_BRANCH, 3);
- ASTD (BFD_RELOC_8_PCREL, 4);
- ASTD (BFD_RELOC_16_PCREL, 5);
- ASTD (BFD_RELOC_32_PCREL, 6);
- default:
- return NULL;
- }
-}
-
-static reloc_howto_type *
-riscix_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
-{
- unsigned int i;
-
- for (i = 0;
- i < sizeof (riscix_std_reloc_howto) / sizeof (riscix_std_reloc_howto[0]);
- i++)
- if (riscix_std_reloc_howto[i].name != NULL
- && strcasecmp (riscix_std_reloc_howto[i].name, r_name) == 0)
- return &riscix_std_reloc_howto[i];
-
- return NULL;
-}
-
-#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define MY_final_link_callback should_not_be_used
-#define MY_bfd_final_link _bfd_generic_final_link
-
-#define MY_bfd_reloc_type_lookup riscix_reloc_type_lookup
-#define MY_bfd_reloc_name_lookup riscix_reloc_name_lookup
-#define MY_canonicalize_reloc riscix_canonicalize_reloc
-#define MY_object_p riscix_object_p
-
-static void
-riscix_swap_std_reloc_out (bfd *abfd,
- arelent *g,
- struct reloc_std_external *natptr)
-{
- int r_index;
- asymbol *sym = *(g->sym_ptr_ptr);
- int r_extern;
- int r_length;
- int r_pcrel;
- int r_neg = 0; /* Negative relocs use the BASEREL bit. */
- asection *output_section = sym->section->output_section;
-
- PUT_WORD(abfd, g->address, natptr->r_address);
-
- r_length = g->howto->size ; /* Size as a power of two. */
- if (r_length < 0)
- {
- r_length = -r_length;
- r_neg = 1;
- }
-
- r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
-
- /* For RISC iX, in pc-relative relocs the r_pcrel bit means that the
- relocation has been done already (Only for the 26-bit one I think)? */
- if (r_length == 3)
- r_pcrel = r_pcrel ? 0 : 1;
-
- /* Name was clobbered by aout_write_syms to be symbol index. */
-
- /* If this relocation is relative to a symbol then set the
- r_index to the symbols index, and the r_extern bit.
-
- Absolute symbols can come in in two ways, either as an offset
- from the abs section, or as a symbol which has an abs value.
- check for that here. */
-
- if (bfd_is_com_section (output_section)
- || bfd_is_abs_section (output_section)
- || bfd_is_und_section (output_section))
- {
- if (bfd_abs_section_ptr->symbol == sym)
- {
- /* Whoops, looked like an abs symbol, but is really an offset
- from the abs section. */
- r_index = 0;
- r_extern = 0;
- }
- else
- {
- /* Fill in symbol. */
- r_extern = 1;
- r_index = (*g->sym_ptr_ptr)->udata.i;
- }
- }
- else
- {
- /* Just an ordinary section. */
- r_extern = 0;
- r_index = output_section->target_index;
- }
-
- /* Now the fun stuff. */
- if (bfd_header_big_endian (abfd))
- {
- natptr->r_index[0] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[2] = r_index;
- natptr->r_type[0] =
- ( (r_extern ? RELOC_STD_BITS_EXTERN_BIG: 0)
- | (r_pcrel ? RELOC_STD_BITS_PCREL_BIG: 0)
- | (r_neg ? RELOC_STD_BITS_BASEREL_BIG: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG));
- }
- else
- {
- natptr->r_index[2] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[0] = r_index;
- natptr->r_type[0] =
- ( (r_extern ? RELOC_STD_BITS_EXTERN_LITTLE: 0)
- | (r_pcrel ? RELOC_STD_BITS_PCREL_LITTLE: 0)
- | (r_neg ? RELOC_STD_BITS_BASEREL_LITTLE: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE));
- }
-}
-
-static bfd_boolean
-riscix_squirt_out_relocs (bfd *abfd, asection *section)
-{
- arelent **generic;
- unsigned char *native, *natptr;
- size_t each_size;
- unsigned int count = section->reloc_count;
- bfd_size_type natsize;
-
- if (count == 0)
- return TRUE;
-
- each_size = obj_reloc_entry_size (abfd);
- natsize = each_size;
- natsize *= count;
- native = bfd_zalloc (abfd, natsize);
- if (!native)
- return FALSE;
-
- generic = section->orelocation;
-
- for (natptr = native;
- count != 0;
- --count, natptr += each_size, ++generic)
- riscix_swap_std_reloc_out (abfd, *generic,
- (struct reloc_std_external *) natptr);
-
- if (bfd_bwrite ((void *) native, natsize, abfd) != natsize)
- {
- bfd_release (abfd, native);
- return FALSE;
- }
-
- bfd_release (abfd, native);
- return TRUE;
-}
-
-/* This is just like the standard aoutx.h version but we need to do our
- own mapping of external reloc type values to howto entries. */
-
-static long
-MY (canonicalize_reloc) (bfd *abfd,
- sec_ptr section,
- arelent **relptr,
- asymbol **symbols)
-{
- arelent *tblptr = section->relocation;
- unsigned int count, c;
- extern reloc_howto_type NAME (aout, std_howto_table)[];
-
- /* If we have already read in the relocation table, return the values. */
- if (section->flags & SEC_CONSTRUCTOR)
- {
- arelent_chain *chain = section->constructor_chain;
-
- for (count = 0; count < section->reloc_count; count++)
- {
- *relptr++ = &chain->relent;
- chain = chain->next;
- }
- *relptr = 0;
- return section->reloc_count;
- }
-
- if (tblptr && section->reloc_count)
- {
- for (count = 0; count++ < section->reloc_count;)
- *relptr++ = tblptr++;
- *relptr = 0;
- return section->reloc_count;
- }
-
- if (!NAME (aout, slurp_reloc_table) (abfd, section, symbols))
- return -1;
- tblptr = section->relocation;
-
- /* Fix up howto entries. */
- for (count = 0; count++ < section->reloc_count;)
- {
- c = tblptr->howto - NAME(aout,std_howto_table);
- BFD_ASSERT (c < RISCIX_TABLE_SIZE);
- tblptr->howto = &riscix_std_reloc_howto[c];
-
- *relptr++ = tblptr++;
- }
- *relptr = 0;
- return section->reloc_count;
-}
-
-/* This is the same as NAME(aout,some_aout_object_p), but has different
- expansions of the macro definitions. */
-
-static const bfd_target *
-riscix_some_aout_object_p (bfd *abfd,
- struct internal_exec *execp,
- const bfd_target *(*callback_to_real_object_p) (bfd *))
-{
- struct aout_data_struct *rawptr, *oldrawptr;
- const bfd_target *result;
- bfd_size_type amt = sizeof (struct aout_data_struct);
-
- rawptr = bfd_zalloc (abfd, amt);
-
- if (rawptr == NULL)
- return NULL;
-
- oldrawptr = abfd->tdata.aout_data;
- abfd->tdata.aout_data = rawptr;
-
- /* Copy the contents of the old tdata struct.
- In particular, we want the subformat, since for hpux it was set in
- hp300hpux.c:swap_exec_header_in and will be used in
- hp300hpux.c:callback. */
- if (oldrawptr != NULL)
- *abfd->tdata.aout_data = *oldrawptr;
-
- abfd->tdata.aout_data->a.hdr = &rawptr->e;
- /* Copy in the internal_exec struct. */
- *(abfd->tdata.aout_data->a.hdr) = *execp;
- execp = abfd->tdata.aout_data->a.hdr;
-
- /* Set the file flags. */
- abfd->flags = BFD_NO_FLAGS;
- if (execp->a_drsize || execp->a_trsize)
- abfd->flags |= HAS_RELOC;
- /* Setting of EXEC_P has been deferred to the bottom of this function. */
- if (execp->a_syms)
- abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
- if (N_DYNAMIC(*execp))
- abfd->flags |= DYNAMIC;
-
- /* Squeezed files aren't supported (yet)! */
- if ((execp->a_info & MF_SQUEEZED) != 0)
- {
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- else if ((execp->a_info & MF_IS_SL) != 0)
- {
- /* Nor are shared libraries. */
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
- else if (N_MAGIC (*execp) == ZMAGIC)
- {
- abfd->flags |= D_PAGED | WP_TEXT;
- adata (abfd).magic = z_magic;
- }
- else if (N_MAGIC (*execp) == NMAGIC)
- {
- abfd->flags |= WP_TEXT;
- adata (abfd).magic = n_magic;
- }
- else if (N_MAGIC (*execp) == OMAGIC)
- adata (abfd).magic = o_magic;
- else
- /* Should have been checked with N_BADMAG before this routine
- was called. */
- abort ();
-
- bfd_get_start_address (abfd) = execp->a_entry;
-
- obj_aout_symbols (abfd) = NULL;
- bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct external_nlist);
-
- /* The default relocation entry size is that of traditional V7 Unix. */
- obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
-
- /* The default symbol entry size is that of traditional Unix. */
- obj_symbol_entry_size (abfd) = EXTERNAL_NLIST_SIZE;
-
- obj_aout_external_syms (abfd) = NULL;
- obj_aout_external_strings (abfd) = NULL;
- obj_aout_sym_hashes (abfd) = NULL;
-
- if (! NAME (aout, make_sections) (abfd))
- return NULL;
-
- obj_datasec (abfd)->size = execp->a_data;
- obj_bsssec (abfd)->size = execp->a_bss;
-
- obj_textsec (abfd)->flags =
- (execp->a_trsize != 0
- ? (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_RELOC)
- : (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS));
- obj_datasec (abfd)->flags =
- (execp->a_drsize != 0
- ? (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS | SEC_RELOC)
- : (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS));
- obj_bsssec (abfd)->flags = SEC_ALLOC;
-
- result = (*callback_to_real_object_p) (abfd);
-
-#if defined(MACH) || defined(STAT_FOR_EXEC)
- /* The original heuristic doesn't work in some important cases. The
- a.out file has no information about the text start address. For
- files (like kernels) linked to non-standard addresses (ld -Ttext
- nnn) the entry point may not be between the default text start
- (obj_textsec(abfd)->vma) and (obj_textsec(abfd)->vma) + text size
- This is not just a mach issue. Many kernels are loaded at non
- standard addresses. */
- {
- struct stat stat_buf;
-
- if (abfd->iostream != NULL
- && (abfd->flags & BFD_IN_MEMORY) == 0
- && (fstat(fileno((FILE *) (abfd->iostream)), &stat_buf) == 0)
- && ((stat_buf.st_mode & 0111) != 0))
- abfd->flags |= EXEC_P;
- }
-#else /* ! MACH */
- /* Now that the segment addresses have been worked out, take a better
- guess at whether the file is executable. If the entry point
- is within the text segment, assume it is. (This makes files
- executable even if their entry point address is 0, as long as
- their text starts at zero.)
-
- At some point we should probably break down and stat the file and
- declare it executable if (one of) its 'x' bits are on... */
- if ((execp->a_entry >= obj_textsec(abfd)->vma) &&
- (execp->a_entry < obj_textsec(abfd)->vma + obj_textsec(abfd)->size))
- abfd->flags |= EXEC_P;
-#endif /* MACH */
- if (result == NULL)
- {
- free (rawptr);
- abfd->tdata.aout_data = oldrawptr;
- }
- return result;
-}
-
-static const bfd_target *
-MY (object_p) (bfd *abfd)
-{
- struct external_exec exec_bytes; /* Raw exec header from file. */
- struct internal_exec exec; /* Cleaned-up exec header. */
- const bfd_target *target;
-
- if (bfd_bread ((void *) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, abfd)
- != EXEC_BYTES_SIZE)
- {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return NULL;
- }
-
- exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
-
- if (N_BADMAG (exec))
- return NULL;
-
-#ifdef MACHTYPE_OK
- if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
- return NULL;
-#endif
-
- NAME (aout, swap_exec_header_in) (abfd, & exec_bytes, & exec);
-
- target = riscix_some_aout_object_p (abfd, & exec, MY (callback));
-
- return target;
-}
-
-#include "aout-target.h"