* Makefile.am (libbfd.h): Add "Extracted from.." comment.

[deliverable/binutils-gdb.git] / bfd / trad-core.c

diff --git a/bfd/trad-core.c b/bfd/trad-core.c
index c6370a3b7f084d303ea442bfa8073d4b2feb85e3..e27cd35e8672e6dc9dcf027f1e148f3a0cb1b1bb 100644 (file)
--- a/bfd/trad-core.c
+++ b/bfd/trad-core.c
@@ -1,5 +1,7 @@
 /* BFD back end for traditional Unix core files (U-area and raw sections)
 /* BFD back end for traditional Unix core files (U-area and raw sections)

-   Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+   Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
+   2000, 2001, 2002
+   Free Software Foundation, Inc.

    Written by John Gilmore of Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
    Written by John Gilmore of Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.


@@ -16,45 +18,42 @@ 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
 
 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-/* To use this file on a particular host, configure the host with these
-   parameters in the config/h-HOST file:
-
-       HDEFINES=-DTRAD_CORE
-       HDEPFILES=trad-core.o
-
- */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

 
 #include "bfd.h"
 #include "sysdep.h"
 #include "libbfd.h"
 #include "libaout.h"           /* BFD a.out internal data structures */
 
 
 #include "bfd.h"
 #include "sysdep.h"
 #include "libbfd.h"
 #include "libaout.h"           /* BFD a.out internal data structures */
 

-#include <stdio.h>
-#include <sys/types.h>

 #include <sys/param.h>
 #include <sys/param.h>

-#include <sys/dir.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else
+# ifdef HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+#  include <ndir.h>
+# endif
+#endif

 #include <signal.h>
 
 #include <sys/user.h>          /* After a.out.h  */
 #include <signal.h>
 
 #include <sys/user.h>          /* After a.out.h  */

-#if 0
-/* file.h is included by std-host.h.  So we better not try to include it
-   twice; on some systems (dpx2) it is not protected against multiple
-   inclusion.  I have checked that all the hosts which use this file
-   include sys/file.h in the hosts file.  */
-#include <sys/file.h>
-#endif

 
 

-#include <errno.h>
+#ifdef TRAD_HEADER
+#include TRAD_HEADER
+#endif

 
 

-  struct trad_core_struct 
+  struct trad_core_struct

     {
       asection *data_section;
       asection *stack_section;
       asection *reg_section;
       struct user u;
     {
       asection *data_section;
       asection *stack_section;
       asection *reg_section;
       struct user u;

-    } *rawptr;
+    };

 
 #define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
 #define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)
 
 #define core_upage(bfd) (&((bfd)->tdata.trad_core_data->u))
 #define core_datasec(bfd) ((bfd)->tdata.trad_core_data->data_section)


@@ -63,30 +62,33 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 /* forward declarations */
 
 
 /* forward declarations */
 

-bfd_target *   trad_unix_core_file_p PARAMS ((bfd *abfd));
+const bfd_target *trad_unix_core_file_p PARAMS ((bfd *abfd));

 char *         trad_unix_core_file_failing_command PARAMS ((bfd *abfd));
 int            trad_unix_core_file_failing_signal PARAMS ((bfd *abfd));
 boolean                trad_unix_core_file_matches_executable_p
                         PARAMS ((bfd *core_bfd, bfd *exec_bfd));
 char *         trad_unix_core_file_failing_command PARAMS ((bfd *abfd));
 int            trad_unix_core_file_failing_signal PARAMS ((bfd *abfd));
 boolean                trad_unix_core_file_matches_executable_p
                         PARAMS ((bfd *core_bfd, bfd *exec_bfd));

+static void    swap_abort PARAMS ((void));

 
 /* Handle 4.2-style (and perhaps also sysV-style) core dump file.  */
 
 /* ARGSUSED */
 
 /* Handle 4.2-style (and perhaps also sysV-style) core dump file.  */
 
 /* ARGSUSED */

-bfd_target *
+const bfd_target *

 trad_unix_core_file_p (abfd)
      bfd *abfd;
 
 {
   int val;
   struct user u;
 trad_unix_core_file_p (abfd)
      bfd *abfd;
 
 {
   int val;
   struct user u;

+  struct trad_core_struct *rawptr;
+  bfd_size_type amt;

 
 #ifdef TRAD_CORE_USER_OFFSET
   /* If defined, this macro is the file position of the user struct.  */
 
 #ifdef TRAD_CORE_USER_OFFSET
   /* If defined, this macro is the file position of the user struct.  */

-  if (bfd_seek (abfd, TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)
+  if (bfd_seek (abfd, (file_ptr) TRAD_CORE_USER_OFFSET, SEEK_SET) != 0)

     return 0;
 #endif
     return 0;
 #endif

-    
-  val = bfd_read ((void *)&u, 1, sizeof u, abfd);
+
+  val = bfd_bread ((void *) &u, (bfd_size_type) sizeof u, abfd);

   if (val != sizeof u)
     {
       /* Too small to be a core file */
   if (val != sizeof u)
     {
       /* Too small to be a core file */


@@ -95,7 +97,7 @@ trad_unix_core_file_p (abfd)
     }
 
   /* Sanity check perhaps??? */
     }
 
   /* Sanity check perhaps??? */

-  if (u.u_dsize > 0x1000000)   /* Remember, it's in pages... */
+  if (u.u_dsize > 0x1000000)   /* Remember, it's in pages...  */

     {
       bfd_set_error (bfd_error_wrong_format);
       return 0;
     {
       bfd_set_error (bfd_error_wrong_format);
       return 0;


@@ -117,22 +119,24 @@ trad_unix_core_file_p (abfd)
        bfd_set_error (bfd_error_system_call);
        return 0;
       }
        bfd_set_error (bfd_error_system_call);
        return 0;
       }

-    if (NBPG * (UPAGES + u.u_dsize
+    if ((unsigned long) (NBPG * (UPAGES + u.u_dsize

 #ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
 #ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE

-               - u.u_tsize
+                                - u.u_tsize

 #endif
 #endif

-               + u.u_ssize) > statbuf.st_size)
+                                + u.u_ssize))
+       > (unsigned long) statbuf.st_size)

       {
       {

-       bfd_set_error (bfd_error_file_truncated);
+       bfd_set_error (bfd_error_wrong_format);

        return 0;
       }
 #ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE
        return 0;
       }
 #ifndef TRAD_CORE_ALLOW_ANY_EXTRA_SIZE

-    if (NBPG * (UPAGES + u.u_dsize + u.u_ssize)
+    if ((unsigned long) (NBPG * (UPAGES + u.u_dsize + u.u_ssize)

 #ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED
        /* Some systems write the file too big.  */
 #ifdef TRAD_CORE_EXTRA_SIZE_ALLOWED
        /* Some systems write the file too big.  */

-       + TRAD_CORE_EXTRA_SIZE_ALLOWED
+                        + TRAD_CORE_EXTRA_SIZE_ALLOWED

 #endif
 #endif

-       < statbuf.st_size)
+                        )
+       < (unsigned long) statbuf.st_size)

       {
        /* The file is too big.  Maybe it's not a core file
           or we otherwise have bad values for u_dsize and u_ssize).  */
       {
        /* The file is too big.  Maybe it's not a core file
           or we otherwise have bad values for u_dsize and u_ssize).  */


@@ -146,46 +150,30 @@ trad_unix_core_file_p (abfd)
 
   /* Allocate both the upage and the struct core_data at once, so
      a single free() will free them both.  */
 
   /* Allocate both the upage and the struct core_data at once, so
      a single free() will free them both.  */

-  rawptr = (struct trad_core_struct *)
-               bfd_zalloc (abfd, sizeof (struct trad_core_struct));
-  if (rawptr == NULL) {
-    bfd_set_error (bfd_error_no_memory);
+  amt = sizeof (struct trad_core_struct);
+  rawptr = (struct trad_core_struct *) bfd_zmalloc (amt);
+  if (rawptr == NULL)

     return 0;
     return 0;

-  }
-  
+

   abfd->tdata.trad_core_data = rawptr;
 
   rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
 
   abfd->tdata.trad_core_data = rawptr;
 
   rawptr->u = u; /*Copy the uarea into the tdata part of the bfd */
 

-  /* Create the sections.  This is raunchy, but bfd_close wants to free
-     them separately.  */
+  /* Create the sections.  */

 
 

-  core_stacksec(abfd) = (asection *) bfd_zmalloc (sizeof (asection));
-  if (core_stacksec (abfd) == NULL) {
-  loser:
-    bfd_set_error (bfd_error_no_memory);
-    free ((void *)rawptr);
-    return 0;
-  }
-  core_datasec (abfd) = (asection *) bfd_zmalloc (sizeof (asection));
-  if (core_datasec (abfd) == NULL) {
-  loser1:
-    free ((void *)core_stacksec (abfd));
-    goto loser;
-  }
-  core_regsec (abfd) = (asection *) bfd_zmalloc (sizeof (asection));
-  if (core_regsec (abfd) == NULL) {
-    free ((void *)core_datasec (abfd));
-    goto loser1;
-  }
-
-  core_stacksec (abfd)->name = ".stack";
-  core_datasec (abfd)->name = ".data";
-  core_regsec (abfd)->name = ".reg";
+  core_stacksec(abfd) = bfd_make_section_anyway (abfd, ".stack");
+  if (core_stacksec (abfd) == NULL)
+    goto fail;
+  core_datasec (abfd) = bfd_make_section_anyway (abfd, ".data");
+  if (core_datasec (abfd) == NULL)
+    goto fail;
+  core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg");
+  if (core_regsec (abfd) == NULL)
+    goto fail;

 
   core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
   core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
 
   core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
   core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;

-  core_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+  core_regsec (abfd)->flags = SEC_HAS_CONTENTS;

 
   core_datasec (abfd)->_raw_size =  NBPG * u.u_dsize
 #ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE
 
   core_datasec (abfd)->_raw_size =  NBPG * u.u_dsize
 #ifdef TRAD_CORE_DSIZE_INCLUDES_TSIZE


@@ -216,14 +204,14 @@ trad_unix_core_file_p (abfd)
      from *u_ar0.  The other is that u_ar0 is sometimes an absolute address
      in kernel memory, and on other systems it is an offset from the beginning
      of the `struct user'.
      from *u_ar0.  The other is that u_ar0 is sometimes an absolute address
      in kernel memory, and on other systems it is an offset from the beginning
      of the `struct user'.

-     
+

      As a practical matter, we don't know where the registers actually are,
      so we have to pass the whole area to GDB.  We encode the value of u_ar0
      by setting the .regs section up so that its virtual memory address
      0 is at the place pointed to by u_ar0 (by setting the vma of the start
      of the section to -u_ar0).  GDB uses this info to locate the regs,
      As a practical matter, we don't know where the registers actually are,
      so we have to pass the whole area to GDB.  We encode the value of u_ar0
      by setting the .regs section up so that its virtual memory address
      0 is at the place pointed to by u_ar0 (by setting the vma of the start
      of the section to -u_ar0).  GDB uses this info to locate the regs,

-     using minor trickery to get around the offset-or-absolute-addr problem. */
-  core_regsec (abfd)->vma = 0 - (int) u.u_ar0;
+     using minor trickery to get around the offset-or-absolute-addr problem.  */
+  core_regsec (abfd)->vma = - (bfd_vma) (unsigned long) u.u_ar0;

 
   core_datasec (abfd)->filepos = NBPG * UPAGES;
   core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize
 
   core_datasec (abfd)->filepos = NBPG * UPAGES;
   core_stacksec (abfd)->filepos = (NBPG * UPAGES) + NBPG * u.u_dsize


@@ -238,12 +226,13 @@ trad_unix_core_file_p (abfd)
   core_datasec (abfd)->alignment_power = 2;
   core_regsec (abfd)->alignment_power = 2;
 
   core_datasec (abfd)->alignment_power = 2;
   core_regsec (abfd)->alignment_power = 2;
 

-  abfd->sections = core_stacksec (abfd);
-  core_stacksec (abfd)->next = core_datasec (abfd);
-  core_datasec (abfd)->next = core_regsec (abfd);
-  abfd->section_count = 3;
-

   return abfd->xvec;
   return abfd->xvec;

+
+ fail:
+  bfd_release (abfd, abfd->tdata.any);
+  abfd->tdata.any = NULL;
+  bfd_section_list_clear (abfd);
+  return NULL;

 }
 
 char *
 }
 
 char *


@@ -262,7 +251,7 @@ trad_unix_core_file_failing_command (abfd)
 /* ARGSUSED */
 int
 trad_unix_core_file_failing_signal (ignore_abfd)
 /* ARGSUSED */
 int
 trad_unix_core_file_failing_signal (ignore_abfd)

-     bfd *ignore_abfd;
+     bfd *ignore_abfd ATTRIBUTE_UNUSED;

 {
 #ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
   return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd);
 {
 #ifdef TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
   return TRAD_UNIX_CORE_FILE_FAILING_SIGNAL(ignore_abfd);


@@ -274,89 +263,29 @@ trad_unix_core_file_failing_signal (ignore_abfd)
 /* ARGSUSED */
 boolean
 trad_unix_core_file_matches_executable_p  (core_bfd, exec_bfd)
 /* ARGSUSED */
 boolean
 trad_unix_core_file_matches_executable_p  (core_bfd, exec_bfd)

-     bfd *core_bfd, *exec_bfd;
+     bfd *core_bfd ATTRIBUTE_UNUSED;
+     bfd *exec_bfd ATTRIBUTE_UNUSED;

 {
   return true;         /* FIXME, We have no way of telling at this point */
 }
 \f
 {
   return true;         /* FIXME, We have no way of telling at this point */
 }
 \f

-/* No archive file support via this BFD */
-#define        trad_unix_openr_next_archived_file      bfd_generic_openr_next_archived_file
-#define        trad_unix_generic_stat_arch_elt         bfd_generic_stat_arch_elt
-#define        trad_unix_slurp_armap                   bfd_false
-#define        trad_unix_slurp_extended_name_table     bfd_true
-#define        trad_unix_write_armap                   (boolean (*) PARAMS     \
-    ((bfd *arch, unsigned int elength, struct orl *map, \
-      unsigned int orl_count, int stridx))) bfd_false
-#define        trad_unix_truncate_arname               bfd_dont_truncate_arname
-#define        aout_32_openr_next_archived_file        bfd_generic_openr_next_archived_file
-
-#define        trad_unix_close_and_cleanup             bfd_generic_close_and_cleanup
-#define        trad_unix_set_section_contents          (boolean (*) PARAMS     \
-        ((bfd *abfd, asection *section, PTR data, file_ptr offset,     \
-        bfd_size_type count))) bfd_generic_set_section_contents
-#define        trad_unix_get_section_contents          bfd_generic_get_section_contents
-#define        trad_unix_new_section_hook              (boolean (*) PARAMS     \
-       ((bfd *, sec_ptr))) bfd_true
-#define        trad_unix_get_symtab_upper_bound        bfd_0u
-#define        trad_unix_get_symtab                    (unsigned int (*) PARAMS \
-        ((bfd *, struct symbol_cache_entry **))) bfd_0u
-#define        trad_unix_get_reloc_upper_bound         (unsigned int (*) PARAMS \
-       ((bfd *, sec_ptr))) bfd_0u
-#define        trad_unix_canonicalize_reloc            (unsigned int (*) PARAMS \
-       ((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
-#define        trad_unix_make_empty_symbol             (struct symbol_cache_entry * \
-       (*) PARAMS ((bfd *))) bfd_false
-#define        trad_unix_print_symbol                  (void (*) PARAMS        \
-       ((bfd *, PTR, struct symbol_cache_entry  *,                     \
-       bfd_print_symbol_type))) bfd_false
-#define        trad_unix_get_symbol_info               (void (*) PARAMS        \
-       ((bfd *, struct symbol_cache_entry  *,                  \
-       symbol_info *))) bfd_false
-#define        trad_unix_get_lineno                    (alent * (*) PARAMS     \
-       ((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
-#define        trad_unix_set_arch_mach                 (boolean (*) PARAMS     \
-       ((bfd *, enum bfd_architecture, unsigned long))) bfd_false
-#define        trad_unix_find_nearest_line             (boolean (*) PARAMS     \
-        ((bfd *abfd, struct sec  *section,                             \
-         struct symbol_cache_entry  **symbols,bfd_vma offset,          \
-         CONST char **file, CONST char **func, unsigned int *line))) bfd_false
-#define        trad_unix_sizeof_headers                (int (*) PARAMS \
-       ((bfd *, boolean))) bfd_0
-
-#define trad_unix_bfd_debug_info_start         bfd_void
-#define trad_unix_bfd_debug_info_end           bfd_void
-#define trad_unix_bfd_debug_info_accumulate    (void (*) PARAMS        \
-       ((bfd *, struct sec *))) bfd_void
-#define trad_unix_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define trad_unix_bfd_relax_section            bfd_generic_relax_section
-#define trad_unix_bfd_reloc_type_lookup \
-  ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
-#define trad_unix_bfd_make_debug_symbol \
-  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
-#define trad_unix_bfd_link_hash_table_create \
-  ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
-#define trad_unix_bfd_link_add_symbols \
-  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define trad_unix_bfd_final_link \
-  ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-

 /* If somebody calls any byte-swapping routines, shoot them.  */
 /* If somebody calls any byte-swapping routines, shoot them.  */

-void
-swap_abort()
+static void
+swap_abort ()

 {
 {

-  abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+  abort (); /* This way doesn't require any declaration for ANSI to fuck up */

 }
 #define        NO_GET  ((bfd_vma (*) PARAMS ((   const bfd_byte *))) swap_abort )
 #define        NO_PUT  ((void    (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
 #define        NO_SIGNED_GET \
   ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
 
 }
 #define        NO_GET  ((bfd_vma (*) PARAMS ((   const bfd_byte *))) swap_abort )
 #define        NO_PUT  ((void    (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
 #define        NO_SIGNED_GET \
   ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort )
 

-bfd_target trad_core_vec =
+const bfd_target trad_core_vec =

   {
     "trad-core",
     bfd_target_unknown_flavour,
   {
     "trad-core",
     bfd_target_unknown_flavour,

-    true,                      /* target byte order */
-    true,                      /* target headers byte order */
+    BFD_ENDIAN_UNKNOWN,                /* target byte order */
+    BFD_ENDIAN_UNKNOWN,                /* target headers byte order */

     (HAS_RELOC | EXEC_P |      /* object flags */
      HAS_LINENO | HAS_DEBUG |
      HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
     (HAS_RELOC | EXEC_P |      /* object flags */
      HAS_LINENO | HAS_DEBUG |
      HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),


@@ -364,7 +293,6 @@ bfd_target trad_core_vec =
     0,                                                    /* symbol prefix */
     ' ',                                                  /* ar_pad_char */
     16,                                                           /* ar_max_namelen */
     0,                                                    /* symbol prefix */
     ' ',                                                  /* ar_pad_char */
     16,                                                           /* ar_max_namelen */

-    3,                                                    /* minimum alignment power */

     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 64 bit data */
     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 32 bit data */
     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 16 bit data */
     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 64 bit data */
     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 32 bit data */
     NO_GET, NO_SIGNED_GET, NO_PUT,     /* 16 bit data */


@@ -386,7 +314,18 @@ bfd_target trad_core_vec =
      bfd_false, bfd_false,
      bfd_false, bfd_false
     },
      bfd_false, bfd_false,
      bfd_false, bfd_false
     },

-    
-    JUMP_TABLE(trad_unix),
+
+       BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+       BFD_JUMP_TABLE_COPY (_bfd_generic),
+       BFD_JUMP_TABLE_CORE (trad_unix),
+       BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+       BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+       BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+       BFD_JUMP_TABLE_WRITE (_bfd_generic),
+       BFD_JUMP_TABLE_LINK (_bfd_nolink),
+       BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+    NULL,
+

     (PTR) 0                    /* backend_data */
 };
     (PTR) 0                    /* backend_data */
 };