diff options
Diffstat (limited to 'bfd/aout-encap.c')
| -rw-r--r-- | bfd/aout-encap.c | 82 |
1 files changed, 43 insertions, 39 deletions
diff --git a/bfd/aout-encap.c b/bfd/aout-encap.c index 77d63584bba..921bdd349c3 100644 --- a/bfd/aout-encap.c +++ b/bfd/aout-encap.c @@ -1,5 +1,6 @@ /* BFD back-end for a.out files encapsulated with COFF headers. - Copyright 1990, 1991, 1994, 1995, 2000 Free Software Foundation, Inc. + Copyright 1990, 1991, 1994, 1995, 2000, 2001 + Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -27,9 +28,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #endif #include "bfd.h" -#include <sysdep.h> +#include "sysdep.h" #include "libbfd.h" -#include <aout/aout64.h> +#include "aout/aout64.h" #include "aout/stab_gnu.h" #include "aout/ar.h" #include "libaout.h" /* BFD a.out internal data structures */ @@ -45,33 +46,34 @@ encap_object_p (abfd) short coff_magic; struct external_exec exec_bytes; struct internal_exec exec; + bfd_size_type amt = sizeof (magicbuf); - if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) != - sizeof (magicbuf)) + if (bfd_bread ((PTR) magicbuf, amt, abfd) != amt) { if (bfd_get_error () != bfd_error_system_call) bfd_set_error (bfd_error_wrong_format); return 0; } - coff_magic = bfd_h_get_16 (abfd, magicbuf); + coff_magic = H_GET_16 (abfd, magicbuf); if (coff_magic != COFF_MAGIC) return 0; /* Not an encap coff file */ - __header_offset_temp==COFF_MAGIC ? sizeof (struct coffheader) : 0) - (fseek ((f), HEADER_OFFSET((f)), 1)) + magic = H_GET_32 (abfd, magicbuf); - magic = bfd_h_get_32 (abfd, magicbuf); - - if (N_BADMAG (*((struct internal_exec *) &magic))) return 0; + if (N_BADMAG (*((struct internal_exec *) &magic))) + return 0; - struct external_exec exec_bytes; - if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) - != EXEC_BYTES_SIZE) { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); + if (bfd_seek (abfd, (file_ptr) sizeof (struct coffheader), SEEK_SET) != 0) return 0; - } + + amt = EXEC_BYTES_SIZE; + if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_wrong_format); + return 0; + } NAME(aout,swap_exec_header_in) (abfd, &exec_bytes, &exec); return aout_32_some_aout_object_p (abfd, &exec, encap_realcallback); @@ -90,24 +92,26 @@ encap_real_callback (abfd) text_start and exec_data_start. This is particularly useful for remote debugging of embedded systems. */ if (N_FLAGS(exec_aouthdr) & N_FLAGS_COFF_ENCAPSULATE) - { - struct coffheader ch; - int val; - val = lseek (execchan, -(sizeof (AOUTHDR) + sizeof (ch)), 1); - if (val == -1) - perror_with_name (filename); - val = myread (execchan, &ch, sizeof (ch)); - if (val < 0) - perror_with_name (filename); - text_start = ch.text_start; - exec_data_start = ch.data_start; - } else - { - text_start = - IS_OBJECT_FILE (exec_aouthdr) ? 0 : N_TXTADDR (exec_aouthdr); - exec_data_start = IS_OBJECT_FILE (exec_aouthdr) - ? exec_aouthdr.a_text : N_DATADDR (exec_aouthdr); - } + { + struct coffheader ch; + int val; + val = lseek (execchan, -(sizeof (AOUTHDR) + sizeof (ch)), 1); + if (val == -1) + perror_with_name (filename); + val = myread (execchan, &ch, sizeof (ch)); + if (val < 0) + perror_with_name (filename); + text_start = ch.text_start; + exec_data_start = ch.data_start; + } + else + { + text_start = + IS_OBJECT_FILE (exec_aouthdr) ? 0 : N_TXTADDR (exec_aouthdr); + exec_data_start = (IS_OBJECT_FILE (exec_aouthdr) + ? exec_aouthdr.a_text + : N_DATADDR (exec_aouthdr)); + } /* Determine the architecture and machine type of the object file. */ bfd_default_set_arch_mach(abfd, bfd_arch_m68k, 0); /* FIXME */ @@ -127,10 +131,10 @@ encap_write_object_contents (abfd) struct external_exec exec_bytes; struct internal_exec *execp = exec_hdr (abfd); -/****** FIXME: Fragments from the old GNU LD program for dealing with - encap coff. */ -struct coffheader coffheader; -int need_coff_header; + /* FIXME: Fragments from the old GNU LD program for dealing with + encap coff. */ + struct coffheader coffheader; + int need_coff_header; /* Determine whether to count the header as part of the text size, and initialize the text size accordingly. |