/* BFD back-end for RISC iX (Acorn, arm) binaries.
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/* BFD back-end for RISC iX (Acorn, arm) binaries.
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004,
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004,
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2005, 2007 Free Software Foundation, Inc.
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2005, 2007 Free Software Foundation, Inc.
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Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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/* RISC iX overloads the MAGIC field to indicate more than just the usual
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/* RISC iX overloads the MAGIC field to indicate more than just the usual
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[ZNO]MAGIC values. Also included are squeezing information and
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[ZNO]MAGIC values. Also included are squeezing information and
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shared library usage. */
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shared library usage. */
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/* The following come from the man page. */
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/* The following come from the man page. */
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#define SHLIBLEN 60
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#define SHLIBLEN 60
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#define MF_IMPURE 00200
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#define MF_IMPURE 00200
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#define MF_SQUEEZED 01000
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#define MF_SQUEEZED 01000
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#define MF_USES_SL 02000
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#define MF_USES_SL 02000
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#define MF_IS_SL 04000
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#define MF_IS_SL 04000
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/* Common combinations. */
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/* Common combinations. */
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/* Demand load (impure text). */
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/* Demand load (impure text). */
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#define IMAGIC (MF_IMPURE | ZMAGIC)
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#define IMAGIC (MF_IMPURE | ZMAGIC)
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/* OMAGIC with large header.
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/* OMAGIC with large header.
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May contain a ref to a shared lib required by the object. */
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May contain a ref to a shared lib required by the object. */
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#define SPOMAGIC (MF_USES_SL | OMAGIC)
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#define SPOMAGIC (MF_USES_SL | OMAGIC)
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/* A reference to a shared library.
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/* A reference to a shared library.
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The text portion of the object contains "overflow text" from
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The text portion of the object contains "overflow text" from
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the shared library to be linked in with an object. */
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the shared library to be linked in with an object. */
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#define SLOMAGIC (MF_IS_SL | OMAGIC)
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#define SLOMAGIC (MF_IS_SL | OMAGIC)
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/* Sqeezed demand paged.
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/* Sqeezed demand paged.
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NOTE: This interpretation of QMAGIC seems to be at variance
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NOTE: This interpretation of QMAGIC seems to be at variance
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with that used on other architectures. */
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with that used on other architectures. */
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#define QMAGIC (MF_SQUEEZED | ZMAGIC)
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#define QMAGIC (MF_SQUEEZED | ZMAGIC)
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/* Program which uses sl. */
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/* Program which uses sl. */
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#define SPZMAGIC (MF_USES_SL | ZMAGIC)
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#define SPZMAGIC (MF_USES_SL | ZMAGIC)
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/* Sqeezed ditto. */
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/* Sqeezed ditto. */
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#define SPQMAGIC (MF_USES_SL | QMAGIC)
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#define SPQMAGIC (MF_USES_SL | QMAGIC)
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/* Shared lib part of prog. */
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/* Shared lib part of prog. */
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#define SLZMAGIC (MF_IS_SL | ZMAGIC)
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#define SLZMAGIC (MF_IS_SL | ZMAGIC)
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/* Sl which uses another. */
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/* Sl which uses another. */
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#define SLPZMAGIC (MF_USES_SL | SLZMAGIC)
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#define SLPZMAGIC (MF_USES_SL | SLZMAGIC)
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#define N_SHARED_LIB(x) ((x).a_info & MF_USES_SL)
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#define N_SHARED_LIB(x) ((x).a_info & MF_USES_SL)
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/* Only a pure OMAGIC file has the minimal header. */
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/* Only a pure OMAGIC file has the minimal header. */
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#define N_TXTOFF(x) \
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#define N_TXTOFF(x) \
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((x).a_info == OMAGIC \
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((x).a_info == OMAGIC \
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? 32 \
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? 32 \
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: (N_MAGIC(x) == ZMAGIC \
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: (N_MAGIC(x) == ZMAGIC \
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? TARGET_PAGE_SIZE \
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? TARGET_PAGE_SIZE \
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: 999))
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: 999))
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#define N_TXTADDR(x) \
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#define N_TXTADDR(x) \
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(N_MAGIC(x) != ZMAGIC \
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(N_MAGIC(x) != ZMAGIC \
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? (bfd_vma) 0 /* object file or NMAGIC */ \
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? (bfd_vma) 0 /* object file or NMAGIC */ \
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/* Programs with shared libs are loaded at the first page after all the \
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/* Programs with shared libs are loaded at the first page after all the \
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text segments of the shared library programs. Without looking this \
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text segments of the shared library programs. Without looking this \
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up we can't know exactly what the address will be. A reasonable guess \
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up we can't know exactly what the address will be. A reasonable guess \
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is that a_entry will be in the first page of the executable. */ \
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is that a_entry will be in the first page of the executable. */ \
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: (N_SHARED_LIB(x) \
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: (N_SHARED_LIB(x) \
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? ((x).a_entry & ~(bfd_vma) (TARGET_PAGE_SIZE - 1)) \
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? ((x).a_entry & ~(bfd_vma) (TARGET_PAGE_SIZE - 1)) \
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: (bfd_vma) TEXT_START_ADDR))
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: (bfd_vma) TEXT_START_ADDR))
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#define N_SYMOFF(x) \
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#define N_SYMOFF(x) \
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(N_TXTOFF (x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize)
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(N_TXTOFF (x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize)
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#define N_STROFF(x) (N_SYMOFF (x) + (x).a_syms)
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#define N_STROFF(x) (N_SYMOFF (x) + (x).a_syms)
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#define TEXT_START_ADDR 32768
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#define TEXT_START_ADDR 32768
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#define TARGET_PAGE_SIZE 32768
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#define TARGET_PAGE_SIZE 32768
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#define SEGMENT_SIZE TARGET_PAGE_SIZE
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#define SEGMENT_SIZE TARGET_PAGE_SIZE
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#define DEFAULT_ARCH bfd_arch_arm
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#define DEFAULT_ARCH bfd_arch_arm
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/* Do not "beautify" the CONCAT* macro args. Traditional C will not
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/* Do not "beautify" the CONCAT* macro args. Traditional C will not
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remove whitespace added here, and thus will fail to concatenate
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remove whitespace added here, and thus will fail to concatenate
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the tokens. */
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the tokens. */
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#define MY(OP) CONCAT2 (riscix_,OP)
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#define MY(OP) CONCAT2 (riscix_,OP)
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#define TARGETNAME "a.out-riscix"
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#define TARGETNAME "a.out-riscix"
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#define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) \
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#define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) \
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&& (((x).a_info & ~006000) != OMAGIC) \
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&& (((x).a_info & ~006000) != OMAGIC) \
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&& ((x).a_info != NMAGIC))
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&& ((x).a_info != NMAGIC))
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#define N_MAGIC(x) ((x).a_info & ~07200)
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#define N_MAGIC(x) ((x).a_info & ~07200)
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#include "sysdep.h"
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#define WRITE_HEADERS(abfd, execp) \
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#define WRITE_HEADERS(abfd, execp) \
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{ \
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{ \
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bfd_size_type text_size; /* Dummy vars. */ \
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bfd_size_type text_size; /* Dummy vars. */ \
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file_ptr text_end; \
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file_ptr text_end; \
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\
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\
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if (adata (abfd).magic == undecided_magic) \
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if (adata (abfd).magic == undecided_magic) \
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NAME (aout, adjust_sizes_and_vmas) (abfd, & text_size, & text_end); \
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NAME (aout, adjust_sizes_and_vmas) (abfd, & text_size, & text_end); \
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\
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\
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execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
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execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
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execp->a_entry = bfd_get_start_address (abfd); \
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execp->a_entry = bfd_get_start_address (abfd); \
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\
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\
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execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
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execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
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obj_reloc_entry_size (abfd)); \
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obj_reloc_entry_size (abfd)); \
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execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
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execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
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obj_reloc_entry_size (abfd)); \
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obj_reloc_entry_size (abfd)); \
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NAME (aout, swap_exec_header_out) (abfd, execp, & exec_bytes); \
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NAME (aout, swap_exec_header_out) (abfd, execp, & exec_bytes); \
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\
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\
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
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if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
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|| bfd_bwrite ((void *) & exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
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|| bfd_bwrite ((void *) & exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
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abfd) != EXEC_BYTES_SIZE) \
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abfd) != EXEC_BYTES_SIZE) \
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return FALSE; \
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return FALSE; \
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/* Now write out reloc info, followed by syms and strings. */ \
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/* Now write out reloc info, followed by syms and strings. */ \
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\
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\
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if (bfd_get_outsymbols (abfd) != NULL \
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if (bfd_get_outsymbols (abfd) != NULL \
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&& bfd_get_symcount (abfd) != 0) \
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&& bfd_get_symcount (abfd) != 0) \
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{ \
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{ \
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if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (* execp)), SEEK_SET) != 0)\
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if (bfd_seek (abfd, (file_ptr) (N_SYMOFF (* execp)), SEEK_SET) != 0)\
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return FALSE; \
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return FALSE; \
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\
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\
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if (! NAME (aout, write_syms) (abfd)) \
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if (! NAME (aout, write_syms) (abfd)) \
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return FALSE; \
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return FALSE; \
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\
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\
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if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (* execp)), SEEK_SET) != 0)\
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if (bfd_seek (abfd, (file_ptr) (N_TRELOFF (* execp)), SEEK_SET) != 0)\
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return FALSE; \
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return FALSE; \
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\
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\
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if (! riscix_squirt_out_relocs (abfd, obj_textsec (abfd))) \
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if (! riscix_squirt_out_relocs (abfd, obj_textsec (abfd))) \
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return FALSE; \
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return FALSE; \
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if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (* execp)), SEEK_SET) != 0)\
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if (bfd_seek (abfd, (file_ptr) (N_DRELOFF (* execp)), SEEK_SET) != 0)\
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return FALSE; \
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return FALSE; \
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\
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\
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if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) \
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if (!NAME (aout, squirt_out_relocs) (abfd, obj_datasec (abfd))) \
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return FALSE; \
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return FALSE; \
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} \
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} \
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}
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}
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#include "libaout.h"
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#include "libaout.h"
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#include "aout/aout64.h"
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#include "aout/aout64.h"
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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riscix_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
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riscix_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
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arelent *reloc_entry ATTRIBUTE_UNUSED,
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arelent *reloc_entry ATTRIBUTE_UNUSED,
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asymbol *symbol ATTRIBUTE_UNUSED,
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asymbol *symbol ATTRIBUTE_UNUSED,
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void * data ATTRIBUTE_UNUSED,
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void * data ATTRIBUTE_UNUSED,
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asection *input_section ATTRIBUTE_UNUSED,
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asection *input_section ATTRIBUTE_UNUSED,
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bfd *output_bfd ATTRIBUTE_UNUSED,
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bfd *output_bfd ATTRIBUTE_UNUSED,
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char **error_message ATTRIBUTE_UNUSED)
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char **error_message ATTRIBUTE_UNUSED)
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{
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{
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/* This is dead simple at present. */
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/* This is dead simple at present. */
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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}
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}
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static bfd_reloc_status_type riscix_fix_pcrel_26 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type riscix_fix_pcrel_26 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static const bfd_target *riscix_callback (bfd *);
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static const bfd_target *riscix_callback (bfd *);
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static reloc_howto_type riscix_std_reloc_howto[] =
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static reloc_howto_type riscix_std_reloc_howto[] =
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{
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{
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/* Type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask pcdone */
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/* Type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask pcdone */
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HOWTO( 0, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,0,"8", TRUE, 0x000000ff,0x000000ff, FALSE),
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HOWTO( 0, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,0,"8", TRUE, 0x000000ff,0x000000ff, FALSE),
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HOWTO( 1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,0,"16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
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HOWTO( 1, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,0,"16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
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HOWTO( 2, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,0,"32", TRUE, 0xffffffff,0xffffffff, FALSE),
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HOWTO( 2, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,0,"32", TRUE, 0xffffffff,0xffffffff, FALSE),
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HOWTO( 3, 2, 3, 26, TRUE, 0, complain_overflow_signed, riscix_fix_pcrel_26 , "ARM26", TRUE, 0x00ffffff,0x00ffffff, FALSE),
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HOWTO( 3, 2, 3, 26, TRUE, 0, complain_overflow_signed, riscix_fix_pcrel_26 , "ARM26", TRUE, 0x00ffffff,0x00ffffff, FALSE),
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HOWTO( 4, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0,"DISP8", TRUE, 0x000000ff,0x000000ff, TRUE),
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HOWTO( 4, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0,"DISP8", TRUE, 0x000000ff,0x000000ff, TRUE),
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HOWTO( 5, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0,"DISP16", TRUE, 0x0000ffff,0x0000ffff, TRUE),
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HOWTO( 5, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0,"DISP16", TRUE, 0x0000ffff,0x0000ffff, TRUE),
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HOWTO( 6, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0,"DISP32", TRUE, 0xffffffff,0xffffffff, TRUE),
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HOWTO( 6, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0,"DISP32", TRUE, 0xffffffff,0xffffffff, TRUE),
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HOWTO( 7, 2, 3, 26, FALSE, 0, complain_overflow_signed, riscix_fix_pcrel_26_done, "ARM26D",TRUE,0x00ffffff,0x00ffffff, FALSE),
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HOWTO( 7, 2, 3, 26, FALSE, 0, complain_overflow_signed, riscix_fix_pcrel_26_done, "ARM26D",TRUE,0x00ffffff,0x00ffffff, FALSE),
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EMPTY_HOWTO (-1),
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EMPTY_HOWTO (-1),
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HOWTO( 9, 0, -1, 16, FALSE, 0, complain_overflow_bitfield,0,"NEG16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
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HOWTO( 9, 0, -1, 16, FALSE, 0, complain_overflow_bitfield,0,"NEG16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
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HOWTO( 10, 0, -2, 32, FALSE, 0, complain_overflow_bitfield,0,"NEG32", TRUE, 0xffffffff,0xffffffff, FALSE)
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HOWTO( 10, 0, -2, 32, FALSE, 0, complain_overflow_bitfield,0,"NEG32", TRUE, 0xffffffff,0xffffffff, FALSE)
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};
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};
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#define RISCIX_TABLE_SIZE \
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#define RISCIX_TABLE_SIZE \
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(sizeof (riscix_std_reloc_howto) / sizeof (reloc_howto_type))
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(sizeof (riscix_std_reloc_howto) / sizeof (reloc_howto_type))
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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riscix_fix_pcrel_26 (bfd *abfd,
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riscix_fix_pcrel_26 (bfd *abfd,
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arelent *reloc_entry,
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arelent *reloc_entry,
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asymbol *symbol,
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asymbol *symbol,
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void * data,
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void * data,
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asection *input_section,
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asection *input_section,
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bfd *output_bfd,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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char **error_message ATTRIBUTE_UNUSED)
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{
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{
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bfd_vma relocation;
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bfd_vma relocation;
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bfd_size_type addr = reloc_entry->address;
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bfd_size_type addr = reloc_entry->address;
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long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
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long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
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bfd_reloc_status_type flag = bfd_reloc_ok;
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bfd_reloc_status_type flag = bfd_reloc_ok;
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/* If this is an undefined symbol, return error. */
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/* If this is an undefined symbol, return error. */
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if (symbol->section == &bfd_und_section
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if (symbol->section == &bfd_und_section
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&& (symbol->flags & BSF_WEAK) == 0)
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&& (symbol->flags & BSF_WEAK) == 0)
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return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
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return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
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/* If the sections are different, and we are doing a partial relocation,
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/* If the sections are different, and we are doing a partial relocation,
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just ignore it for now. */
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just ignore it for now. */
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if (symbol->section->name != input_section->name
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if (symbol->section->name != input_section->name
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&& output_bfd != NULL)
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&& output_bfd != NULL)
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return bfd_reloc_continue;
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return bfd_reloc_continue;
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relocation = (target & 0x00ffffff) << 2;
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relocation = (target & 0x00ffffff) << 2;
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relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
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relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
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relocation += symbol->value;
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relocation += symbol->value;
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relocation += symbol->section->output_section->vma;
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relocation += symbol->section->output_section->vma;
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relocation += symbol->section->output_offset;
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relocation += symbol->section->output_offset;
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relocation += reloc_entry->addend;
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relocation += reloc_entry->addend;
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relocation -= input_section->output_section->vma;
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relocation -= input_section->output_section->vma;
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relocation -= input_section->output_offset;
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relocation -= input_section->output_offset;
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relocation -= addr;
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relocation -= addr;
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if (relocation & 3)
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if (relocation & 3)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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|
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/* Check for overflow. */
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/* Check for overflow. */
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if (relocation & 0x02000000)
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if (relocation & 0x02000000)
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{
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{
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if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
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if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
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flag = bfd_reloc_overflow;
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flag = bfd_reloc_overflow;
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}
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}
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else if (relocation & ~ (bfd_vma) 0x03ffffff)
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else if (relocation & ~ (bfd_vma) 0x03ffffff)
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flag = bfd_reloc_overflow;
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flag = bfd_reloc_overflow;
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|
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target &= ~0x00ffffff;
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target &= ~0x00ffffff;
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target |= (relocation >> 2) & 0x00ffffff;
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target |= (relocation >> 2) & 0x00ffffff;
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bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
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bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
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|
|
/* Now the ARM magic... Change the reloc type so that it is marked as done.
|
/* 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. */
|
Strictly this is only necessary if we are doing a partial relocation. */
|
reloc_entry->howto = &riscix_std_reloc_howto[7];
|
reloc_entry->howto = &riscix_std_reloc_howto[7];
|
|
|
return flag;
|
return flag;
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
riscix_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
|
riscix_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
|
{
|
{
|
#define ASTD(i,j) case i: return &riscix_std_reloc_howto[j]
|
#define ASTD(i,j) case i: return &riscix_std_reloc_howto[j]
|
if (code == BFD_RELOC_CTOR)
|
if (code == BFD_RELOC_CTOR)
|
switch (bfd_get_arch_info (abfd)->bits_per_address)
|
switch (bfd_get_arch_info (abfd)->bits_per_address)
|
{
|
{
|
case 32:
|
case 32:
|
code = BFD_RELOC_32;
|
code = BFD_RELOC_32;
|
break;
|
break;
|
default:
|
default:
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
ASTD (BFD_RELOC_16, 1);
|
ASTD (BFD_RELOC_16, 1);
|
ASTD (BFD_RELOC_32, 2);
|
ASTD (BFD_RELOC_32, 2);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, 3);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, 3);
|
ASTD (BFD_RELOC_8_PCREL, 4);
|
ASTD (BFD_RELOC_8_PCREL, 4);
|
ASTD (BFD_RELOC_16_PCREL, 5);
|
ASTD (BFD_RELOC_16_PCREL, 5);
|
ASTD (BFD_RELOC_32_PCREL, 6);
|
ASTD (BFD_RELOC_32_PCREL, 6);
|
default:
|
default:
|
return NULL;
|
return NULL;
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
riscix_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
riscix_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (riscix_std_reloc_howto) / sizeof (riscix_std_reloc_howto[0]);
|
i < sizeof (riscix_std_reloc_howto) / sizeof (riscix_std_reloc_howto[0]);
|
i++)
|
i++)
|
if (riscix_std_reloc_howto[i].name != NULL
|
if (riscix_std_reloc_howto[i].name != NULL
|
&& strcasecmp (riscix_std_reloc_howto[i].name, r_name) == 0)
|
&& strcasecmp (riscix_std_reloc_howto[i].name, r_name) == 0)
|
return &riscix_std_reloc_howto[i];
|
return &riscix_std_reloc_howto[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
|
#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_bfd_link_add_symbols _bfd_generic_link_add_symbols
|
#define MY_final_link_callback should_not_be_used
|
#define MY_final_link_callback should_not_be_used
|
#define MY_bfd_final_link _bfd_generic_final_link
|
#define MY_bfd_final_link _bfd_generic_final_link
|
|
|
#define MY_bfd_reloc_type_lookup riscix_reloc_type_lookup
|
#define MY_bfd_reloc_type_lookup riscix_reloc_type_lookup
|
#define MY_bfd_reloc_name_lookup riscix_reloc_name_lookup
|
#define MY_bfd_reloc_name_lookup riscix_reloc_name_lookup
|
#define MY_canonicalize_reloc riscix_canonicalize_reloc
|
#define MY_canonicalize_reloc riscix_canonicalize_reloc
|
#define MY_object_p riscix_object_p
|
#define MY_object_p riscix_object_p
|
|
|
static void
|
static void
|
riscix_swap_std_reloc_out (bfd *abfd,
|
riscix_swap_std_reloc_out (bfd *abfd,
|
arelent *g,
|
arelent *g,
|
struct reloc_std_external *natptr)
|
struct reloc_std_external *natptr)
|
{
|
{
|
int r_index;
|
int r_index;
|
asymbol *sym = *(g->sym_ptr_ptr);
|
asymbol *sym = *(g->sym_ptr_ptr);
|
int r_extern;
|
int r_extern;
|
int r_length;
|
int r_length;
|
int r_pcrel;
|
int r_pcrel;
|
int r_neg = 0; /* Negative relocs use the BASEREL bit. */
|
int r_neg = 0; /* Negative relocs use the BASEREL bit. */
|
asection *output_section = sym->section->output_section;
|
asection *output_section = sym->section->output_section;
|
|
|
PUT_WORD(abfd, g->address, natptr->r_address);
|
PUT_WORD(abfd, g->address, natptr->r_address);
|
|
|
r_length = g->howto->size ; /* Size as a power of two. */
|
r_length = g->howto->size ; /* Size as a power of two. */
|
if (r_length < 0)
|
if (r_length < 0)
|
{
|
{
|
r_length = -r_length;
|
r_length = -r_length;
|
r_neg = 1;
|
r_neg = 1;
|
}
|
}
|
|
|
r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
|
r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
|
|
|
/* For RISC iX, in pc-relative relocs the r_pcrel bit means that the
|
/* 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)? */
|
relocation has been done already (Only for the 26-bit one I think)? */
|
if (r_length == 3)
|
if (r_length == 3)
|
r_pcrel = r_pcrel ? 0 : 1;
|
r_pcrel = r_pcrel ? 0 : 1;
|
|
|
/* Name was clobbered by aout_write_syms to be symbol index. */
|
/* Name was clobbered by aout_write_syms to be symbol index. */
|
|
|
/* If this relocation is relative to a symbol then set the
|
/* If this relocation is relative to a symbol then set the
|
r_index to the symbols index, and the r_extern bit.
|
r_index to the symbols index, and the r_extern bit.
|
|
|
Absolute symbols can come in in two ways, either as an offset
|
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.
|
from the abs section, or as a symbol which has an abs value.
|
check for that here. */
|
check for that here. */
|
|
|
if (bfd_is_com_section (output_section)
|
if (bfd_is_com_section (output_section)
|
|| output_section == & bfd_abs_section
|
|| output_section == & bfd_abs_section
|
|| output_section == & bfd_und_section)
|
|| output_section == & bfd_und_section)
|
{
|
{
|
if (bfd_abs_section.symbol == sym)
|
if (bfd_abs_section.symbol == sym)
|
{
|
{
|
/* Whoops, looked like an abs symbol, but is really an offset
|
/* Whoops, looked like an abs symbol, but is really an offset
|
from the abs section. */
|
from the abs section. */
|
r_index = 0;
|
r_index = 0;
|
r_extern = 0;
|
r_extern = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Fill in symbol. */
|
/* Fill in symbol. */
|
r_extern = 1;
|
r_extern = 1;
|
r_index = (*g->sym_ptr_ptr)->udata.i;
|
r_index = (*g->sym_ptr_ptr)->udata.i;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Just an ordinary section. */
|
/* Just an ordinary section. */
|
r_extern = 0;
|
r_extern = 0;
|
r_index = output_section->target_index;
|
r_index = output_section->target_index;
|
}
|
}
|
|
|
/* Now the fun stuff. */
|
/* Now the fun stuff. */
|
if (bfd_header_big_endian (abfd))
|
if (bfd_header_big_endian (abfd))
|
{
|
{
|
natptr->r_index[0] = r_index >> 16;
|
natptr->r_index[0] = r_index >> 16;
|
natptr->r_index[1] = r_index >> 8;
|
natptr->r_index[1] = r_index >> 8;
|
natptr->r_index[2] = r_index;
|
natptr->r_index[2] = r_index;
|
natptr->r_type[0] =
|
natptr->r_type[0] =
|
( (r_extern ? RELOC_STD_BITS_EXTERN_BIG: 0)
|
( (r_extern ? RELOC_STD_BITS_EXTERN_BIG: 0)
|
| (r_pcrel ? RELOC_STD_BITS_PCREL_BIG: 0)
|
| (r_pcrel ? RELOC_STD_BITS_PCREL_BIG: 0)
|
| (r_neg ? RELOC_STD_BITS_BASEREL_BIG: 0)
|
| (r_neg ? RELOC_STD_BITS_BASEREL_BIG: 0)
|
| (r_length << RELOC_STD_BITS_LENGTH_SH_BIG));
|
| (r_length << RELOC_STD_BITS_LENGTH_SH_BIG));
|
}
|
}
|
else
|
else
|
{
|
{
|
natptr->r_index[2] = r_index >> 16;
|
natptr->r_index[2] = r_index >> 16;
|
natptr->r_index[1] = r_index >> 8;
|
natptr->r_index[1] = r_index >> 8;
|
natptr->r_index[0] = r_index;
|
natptr->r_index[0] = r_index;
|
natptr->r_type[0] =
|
natptr->r_type[0] =
|
( (r_extern ? RELOC_STD_BITS_EXTERN_LITTLE: 0)
|
( (r_extern ? RELOC_STD_BITS_EXTERN_LITTLE: 0)
|
| (r_pcrel ? RELOC_STD_BITS_PCREL_LITTLE: 0)
|
| (r_pcrel ? RELOC_STD_BITS_PCREL_LITTLE: 0)
|
| (r_neg ? RELOC_STD_BITS_BASEREL_LITTLE: 0)
|
| (r_neg ? RELOC_STD_BITS_BASEREL_LITTLE: 0)
|
| (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE));
|
| (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE));
|
}
|
}
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
riscix_squirt_out_relocs (bfd *abfd, asection *section)
|
riscix_squirt_out_relocs (bfd *abfd, asection *section)
|
{
|
{
|
arelent **generic;
|
arelent **generic;
|
unsigned char *native, *natptr;
|
unsigned char *native, *natptr;
|
size_t each_size;
|
size_t each_size;
|
unsigned int count = section->reloc_count;
|
unsigned int count = section->reloc_count;
|
bfd_size_type natsize;
|
bfd_size_type natsize;
|
|
|
if (count == 0)
|
if (count == 0)
|
return TRUE;
|
return TRUE;
|
|
|
each_size = obj_reloc_entry_size (abfd);
|
each_size = obj_reloc_entry_size (abfd);
|
natsize = each_size;
|
natsize = each_size;
|
natsize *= count;
|
natsize *= count;
|
native = bfd_zalloc (abfd, natsize);
|
native = bfd_zalloc (abfd, natsize);
|
if (!native)
|
if (!native)
|
return FALSE;
|
return FALSE;
|
|
|
generic = section->orelocation;
|
generic = section->orelocation;
|
|
|
for (natptr = native;
|
for (natptr = native;
|
count != 0;
|
count != 0;
|
--count, natptr += each_size, ++generic)
|
--count, natptr += each_size, ++generic)
|
riscix_swap_std_reloc_out (abfd, *generic,
|
riscix_swap_std_reloc_out (abfd, *generic,
|
(struct reloc_std_external *) natptr);
|
(struct reloc_std_external *) natptr);
|
|
|
if (bfd_bwrite ((void *) native, natsize, abfd) != natsize)
|
if (bfd_bwrite ((void *) native, natsize, abfd) != natsize)
|
{
|
{
|
bfd_release (abfd, native);
|
bfd_release (abfd, native);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
bfd_release (abfd, native);
|
bfd_release (abfd, native);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This is just like the standard aoutx.h version but we need to do our
|
/* 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. */
|
own mapping of external reloc type values to howto entries. */
|
|
|
static long
|
static long
|
MY (canonicalize_reloc) (bfd *abfd,
|
MY (canonicalize_reloc) (bfd *abfd,
|
sec_ptr section,
|
sec_ptr section,
|
arelent **relptr,
|
arelent **relptr,
|
asymbol **symbols)
|
asymbol **symbols)
|
{
|
{
|
arelent *tblptr = section->relocation;
|
arelent *tblptr = section->relocation;
|
unsigned int count, c;
|
unsigned int count, c;
|
extern reloc_howto_type NAME (aout, std_howto_table)[];
|
extern reloc_howto_type NAME (aout, std_howto_table)[];
|
|
|
/* If we have already read in the relocation table, return the values. */
|
/* If we have already read in the relocation table, return the values. */
|
if (section->flags & SEC_CONSTRUCTOR)
|
if (section->flags & SEC_CONSTRUCTOR)
|
{
|
{
|
arelent_chain *chain = section->constructor_chain;
|
arelent_chain *chain = section->constructor_chain;
|
|
|
for (count = 0; count < section->reloc_count; count++)
|
for (count = 0; count < section->reloc_count; count++)
|
{
|
{
|
*relptr++ = &chain->relent;
|
*relptr++ = &chain->relent;
|
chain = chain->next;
|
chain = chain->next;
|
}
|
}
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
if (tblptr && section->reloc_count)
|
if (tblptr && section->reloc_count)
|
{
|
{
|
for (count = 0; count++ < section->reloc_count;)
|
for (count = 0; count++ < section->reloc_count;)
|
*relptr++ = tblptr++;
|
*relptr++ = tblptr++;
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
if (!NAME (aout, slurp_reloc_table) (abfd, section, symbols))
|
if (!NAME (aout, slurp_reloc_table) (abfd, section, symbols))
|
return -1;
|
return -1;
|
tblptr = section->relocation;
|
tblptr = section->relocation;
|
|
|
/* Fix up howto entries. */
|
/* Fix up howto entries. */
|
for (count = 0; count++ < section->reloc_count;)
|
for (count = 0; count++ < section->reloc_count;)
|
{
|
{
|
c = tblptr->howto - NAME(aout,std_howto_table);
|
c = tblptr->howto - NAME(aout,std_howto_table);
|
BFD_ASSERT (c < RISCIX_TABLE_SIZE);
|
BFD_ASSERT (c < RISCIX_TABLE_SIZE);
|
tblptr->howto = &riscix_std_reloc_howto[c];
|
tblptr->howto = &riscix_std_reloc_howto[c];
|
|
|
*relptr++ = tblptr++;
|
*relptr++ = tblptr++;
|
}
|
}
|
*relptr = 0;
|
*relptr = 0;
|
return section->reloc_count;
|
return section->reloc_count;
|
}
|
}
|
|
|
/* This is the same as NAME(aout,some_aout_object_p), but has different
|
/* This is the same as NAME(aout,some_aout_object_p), but has different
|
expansions of the macro definitions. */
|
expansions of the macro definitions. */
|
|
|
static const bfd_target *
|
static const bfd_target *
|
riscix_some_aout_object_p (bfd *abfd,
|
riscix_some_aout_object_p (bfd *abfd,
|
struct internal_exec *execp,
|
struct internal_exec *execp,
|
const bfd_target *(*callback_to_real_object_p) (bfd *))
|
const bfd_target *(*callback_to_real_object_p) (bfd *))
|
{
|
{
|
struct aout_data_struct *rawptr, *oldrawptr;
|
struct aout_data_struct *rawptr, *oldrawptr;
|
const bfd_target *result;
|
const bfd_target *result;
|
bfd_size_type amt = sizeof (struct aout_data_struct);
|
bfd_size_type amt = sizeof (struct aout_data_struct);
|
|
|
rawptr = bfd_zalloc (abfd, amt);
|
rawptr = bfd_zalloc (abfd, amt);
|
|
|
if (rawptr == NULL)
|
if (rawptr == NULL)
|
return NULL;
|
return NULL;
|
|
|
oldrawptr = abfd->tdata.aout_data;
|
oldrawptr = abfd->tdata.aout_data;
|
abfd->tdata.aout_data = rawptr;
|
abfd->tdata.aout_data = rawptr;
|
|
|
/* Copy the contents of the old tdata struct.
|
/* Copy the contents of the old tdata struct.
|
In particular, we want the subformat, since for hpux it was set in
|
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:swap_exec_header_in and will be used in
|
hp300hpux.c:callback. */
|
hp300hpux.c:callback. */
|
if (oldrawptr != NULL)
|
if (oldrawptr != NULL)
|
*abfd->tdata.aout_data = *oldrawptr;
|
*abfd->tdata.aout_data = *oldrawptr;
|
|
|
abfd->tdata.aout_data->a.hdr = &rawptr->e;
|
abfd->tdata.aout_data->a.hdr = &rawptr->e;
|
/* Copy in the internal_exec struct. */
|
/* Copy in the internal_exec struct. */
|
*(abfd->tdata.aout_data->a.hdr) = *execp;
|
*(abfd->tdata.aout_data->a.hdr) = *execp;
|
execp = abfd->tdata.aout_data->a.hdr;
|
execp = abfd->tdata.aout_data->a.hdr;
|
|
|
/* Set the file flags. */
|
/* Set the file flags. */
|
abfd->flags = BFD_NO_FLAGS;
|
abfd->flags = BFD_NO_FLAGS;
|
if (execp->a_drsize || execp->a_trsize)
|
if (execp->a_drsize || execp->a_trsize)
|
abfd->flags |= HAS_RELOC;
|
abfd->flags |= HAS_RELOC;
|
/* Setting of EXEC_P has been deferred to the bottom of this function. */
|
/* Setting of EXEC_P has been deferred to the bottom of this function. */
|
if (execp->a_syms)
|
if (execp->a_syms)
|
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
|
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
|
if (N_DYNAMIC(*execp))
|
if (N_DYNAMIC(*execp))
|
abfd->flags |= DYNAMIC;
|
abfd->flags |= DYNAMIC;
|
|
|
/* Squeezed files aren't supported (yet)! */
|
/* Squeezed files aren't supported (yet)! */
|
if ((execp->a_info & MF_SQUEEZED) != 0)
|
if ((execp->a_info & MF_SQUEEZED) != 0)
|
{
|
{
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return NULL;
|
return NULL;
|
}
|
}
|
else if ((execp->a_info & MF_IS_SL) != 0)
|
else if ((execp->a_info & MF_IS_SL) != 0)
|
{
|
{
|
/* Nor are shared libraries. */
|
/* Nor are shared libraries. */
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return NULL;
|
return NULL;
|
}
|
}
|
else if (N_MAGIC (*execp) == ZMAGIC)
|
else if (N_MAGIC (*execp) == ZMAGIC)
|
{
|
{
|
abfd->flags |= D_PAGED | WP_TEXT;
|
abfd->flags |= D_PAGED | WP_TEXT;
|
adata (abfd).magic = z_magic;
|
adata (abfd).magic = z_magic;
|
}
|
}
|
else if (N_MAGIC (*execp) == NMAGIC)
|
else if (N_MAGIC (*execp) == NMAGIC)
|
{
|
{
|
abfd->flags |= WP_TEXT;
|
abfd->flags |= WP_TEXT;
|
adata (abfd).magic = n_magic;
|
adata (abfd).magic = n_magic;
|
}
|
}
|
else if (N_MAGIC (*execp) == OMAGIC)
|
else if (N_MAGIC (*execp) == OMAGIC)
|
adata (abfd).magic = o_magic;
|
adata (abfd).magic = o_magic;
|
else
|
else
|
/* Should have been checked with N_BADMAG before this routine
|
/* Should have been checked with N_BADMAG before this routine
|
was called. */
|
was called. */
|
abort ();
|
abort ();
|
|
|
bfd_get_start_address (abfd) = execp->a_entry;
|
bfd_get_start_address (abfd) = execp->a_entry;
|
|
|
obj_aout_symbols (abfd) = NULL;
|
obj_aout_symbols (abfd) = NULL;
|
bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct external_nlist);
|
bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct external_nlist);
|
|
|
/* The default relocation entry size is that of traditional V7 Unix. */
|
/* The default relocation entry size is that of traditional V7 Unix. */
|
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
|
|
|
/* The default symbol entry size is that of traditional Unix. */
|
/* The default symbol entry size is that of traditional Unix. */
|
obj_symbol_entry_size (abfd) = EXTERNAL_NLIST_SIZE;
|
obj_symbol_entry_size (abfd) = EXTERNAL_NLIST_SIZE;
|
|
|
obj_aout_external_syms (abfd) = NULL;
|
obj_aout_external_syms (abfd) = NULL;
|
obj_aout_external_strings (abfd) = NULL;
|
obj_aout_external_strings (abfd) = NULL;
|
obj_aout_sym_hashes (abfd) = NULL;
|
obj_aout_sym_hashes (abfd) = NULL;
|
|
|
if (! NAME (aout, make_sections) (abfd))
|
if (! NAME (aout, make_sections) (abfd))
|
return NULL;
|
return NULL;
|
|
|
obj_datasec (abfd)->size = execp->a_data;
|
obj_datasec (abfd)->size = execp->a_data;
|
obj_bsssec (abfd)->size = execp->a_bss;
|
obj_bsssec (abfd)->size = execp->a_bss;
|
|
|
obj_textsec (abfd)->flags =
|
obj_textsec (abfd)->flags =
|
(execp->a_trsize != 0
|
(execp->a_trsize != 0
|
? (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_RELOC)
|
? (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS | SEC_RELOC)
|
: (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS));
|
: (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS));
|
obj_datasec (abfd)->flags =
|
obj_datasec (abfd)->flags =
|
(execp->a_drsize != 0
|
(execp->a_drsize != 0
|
? (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS | SEC_RELOC)
|
? (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS | SEC_RELOC)
|
: (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS));
|
: (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS));
|
obj_bsssec (abfd)->flags = SEC_ALLOC;
|
obj_bsssec (abfd)->flags = SEC_ALLOC;
|
|
|
result = (*callback_to_real_object_p) (abfd);
|
result = (*callback_to_real_object_p) (abfd);
|
|
|
#if defined(MACH) || defined(STAT_FOR_EXEC)
|
#if defined(MACH) || defined(STAT_FOR_EXEC)
|
/* The original heuristic doesn't work in some important cases. The
|
/* The original heuristic doesn't work in some important cases. The
|
a.out file has no information about the text start address. For
|
a.out file has no information about the text start address. For
|
files (like kernels) linked to non-standard addresses (ld -Ttext
|
files (like kernels) linked to non-standard addresses (ld -Ttext
|
nnn) the entry point may not be between the default text start
|
nnn) the entry point may not be between the default text start
|
(obj_textsec(abfd)->vma) and (obj_textsec(abfd)->vma) + text size
|
(obj_textsec(abfd)->vma) and (obj_textsec(abfd)->vma) + text size
|
This is not just a mach issue. Many kernels are loaded at non
|
This is not just a mach issue. Many kernels are loaded at non
|
standard addresses. */
|
standard addresses. */
|
{
|
{
|
struct stat stat_buf;
|
struct stat stat_buf;
|
|
|
if (abfd->iostream != NULL
|
if (abfd->iostream != NULL
|
&& (abfd->flags & BFD_IN_MEMORY) == 0
|
&& (abfd->flags & BFD_IN_MEMORY) == 0
|
&& (fstat(fileno((FILE *) (abfd->iostream)), &stat_buf) == 0)
|
&& (fstat(fileno((FILE *) (abfd->iostream)), &stat_buf) == 0)
|
&& ((stat_buf.st_mode & 0111) != 0))
|
&& ((stat_buf.st_mode & 0111) != 0))
|
abfd->flags |= EXEC_P;
|
abfd->flags |= EXEC_P;
|
}
|
}
|
#else /* ! MACH */
|
#else /* ! MACH */
|
/* Now that the segment addresses have been worked out, take a better
|
/* Now that the segment addresses have been worked out, take a better
|
guess at whether the file is executable. If the entry point
|
guess at whether the file is executable. If the entry point
|
is within the text segment, assume it is. (This makes files
|
is within the text segment, assume it is. (This makes files
|
executable even if their entry point address is 0, as long as
|
executable even if their entry point address is 0, as long as
|
their text starts at zero.)
|
their text starts at zero.)
|
|
|
At some point we should probably break down and stat the file and
|
At some point we should probably break down and stat the file and
|
declare it executable if (one of) its 'x' bits are on... */
|
declare it executable if (one of) its 'x' bits are on... */
|
if ((execp->a_entry >= obj_textsec(abfd)->vma) &&
|
if ((execp->a_entry >= obj_textsec(abfd)->vma) &&
|
(execp->a_entry < obj_textsec(abfd)->vma + obj_textsec(abfd)->size))
|
(execp->a_entry < obj_textsec(abfd)->vma + obj_textsec(abfd)->size))
|
abfd->flags |= EXEC_P;
|
abfd->flags |= EXEC_P;
|
#endif /* MACH */
|
#endif /* MACH */
|
if (result == NULL)
|
if (result == NULL)
|
{
|
{
|
free (rawptr);
|
free (rawptr);
|
abfd->tdata.aout_data = oldrawptr;
|
abfd->tdata.aout_data = oldrawptr;
|
}
|
}
|
return result;
|
return result;
|
}
|
}
|
|
|
static const bfd_target *
|
static const bfd_target *
|
MY (object_p) (bfd *abfd)
|
MY (object_p) (bfd *abfd)
|
{
|
{
|
struct external_exec exec_bytes; /* Raw exec header from file. */
|
struct external_exec exec_bytes; /* Raw exec header from file. */
|
struct internal_exec exec; /* Cleaned-up exec header. */
|
struct internal_exec exec; /* Cleaned-up exec header. */
|
const bfd_target *target;
|
const bfd_target *target;
|
|
|
if (bfd_bread ((void *) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, abfd)
|
if (bfd_bread ((void *) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, abfd)
|
!= EXEC_BYTES_SIZE)
|
!= EXEC_BYTES_SIZE)
|
{
|
{
|
if (bfd_get_error () != bfd_error_system_call)
|
if (bfd_get_error () != bfd_error_system_call)
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
|
exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
|
|
|
if (N_BADMAG (exec))
|
if (N_BADMAG (exec))
|
return NULL;
|
return NULL;
|
|
|
#ifdef MACHTYPE_OK
|
#ifdef MACHTYPE_OK
|
if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
|
if (!(MACHTYPE_OK (N_MACHTYPE (exec))))
|
return NULL;
|
return NULL;
|
#endif
|
#endif
|
|
|
NAME (aout, swap_exec_header_in) (abfd, & exec_bytes, & exec);
|
NAME (aout, swap_exec_header_in) (abfd, & exec_bytes, & exec);
|
|
|
target = riscix_some_aout_object_p (abfd, & exec, MY (callback));
|
target = riscix_some_aout_object_p (abfd, & exec, MY (callback));
|
|
|
return target;
|
return target;
|
}
|
}
|
|
|
#include "aout-target.h"
|
#include "aout-target.h"
|
|
|
