gdb: add target_ops::supports_displaced_step

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

diff --git a/bfd/hppabsd-core.c b/bfd/hppabsd-core.c
index 0a3e6b224d218fcf21ffe689176af3716d15c384..e0f2b500372348e56f2ec50369de7ca84b18aa0b 100644 (file)
--- a/bfd/hppabsd-core.c
+++ b/bfd/hppabsd-core.c
@@ -1,11 +1,11 @@
 /* BFD back-end for HPPA BSD core files.
 /* BFD back-end for HPPA BSD core files.

-   Copyright 1993, 94, 95, 97, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.

 
    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
 
    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 2 of the License, or
+   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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,17 +15,17 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.

 
    Written by the Center for Software Science at the University of Utah
 
    Written by the Center for Software Science at the University of Utah

-   and by Cygnus Support. 
+   and by Cygnus Support.

 
    The core file structure for the Utah 4.3BSD and OSF1 ports on the
    PA is a mix between traditional cores and hpux cores -- just
    different enough that supporting this format would tend to add
    gross hacks to trad-core.c or hpux-core.c.  So instead we keep any
    gross hacks isolated to this file.  */
 
    The core file structure for the Utah 4.3BSD and OSF1 ports on the
    PA is a mix between traditional cores and hpux cores -- just
    different enough that supporting this format would tend to add
    gross hacks to trad-core.c or hpux-core.c.  So instead we keep any
    gross hacks isolated to this file.  */

-   

 
 /* This file can only be compiled on systems which use HPPA-BSD style
    core files.
 
 /* This file can only be compiled on systems which use HPPA-BSD style
    core files.


@@ -33,8 +33,8 @@
    I would not expect this to be of use to any other host/target, but
    you never know.  */
 
    I would not expect this to be of use to any other host/target, but
    you never know.  */
 

-#include "bfd.h"

 #include "sysdep.h"
 #include "sysdep.h"

+#include "bfd.h"

 #include "libbfd.h"
 
 #if defined (HOST_HPPABSD)
 #include "libbfd.h"
 
 #if defined (HOST_HPPABSD)


@@ -48,71 +48,50 @@
 #include <sys/user.h>          /* After a.out.h  */
 #include <sys/file.h>
 
 #include <sys/user.h>          /* After a.out.h  */
 #include <sys/file.h>
 

-static asection *make_bfd_asection PARAMS ((bfd *, CONST char *,
-                                           flagword, bfd_size_type,
-                                           file_ptr, unsigned int));
-static asymbol *hppabsd_core_make_empty_symbol PARAMS ((bfd *));
-static const bfd_target *hppabsd_core_core_file_p PARAMS ((bfd *));
-static char *hppabsd_core_core_file_failing_command PARAMS ((bfd *));
-static int hppabsd_core_core_file_failing_signal PARAMS ((bfd *));
-static boolean hppabsd_core_core_file_matches_executable_p
-  PARAMS ((bfd *, bfd *));
-static void swap_abort PARAMS ((void));
+#define hppabsd_core_core_file_matches_executable_p generic_core_file_matches_executable_p
+#define hppabsd_core_core_file_pid _bfd_nocore_core_file_pid

 
 /* These are stored in the bfd's tdata.  */
 
 struct hppabsd_core_struct
 
 /* These are stored in the bfd's tdata.  */
 
 struct hppabsd_core_struct

-  {
-    int sig;
-    char cmd[MAXCOMLEN + 1];
-    asection *data_section;
-    asection *stack_section;
-    asection *reg_section;
-  };
+{
+  int sig;
+  char cmd[MAXCOMLEN + 1];
+  asection *data_section;
+  asection *stack_section;
+  asection *reg_section;
+};

 
 #define core_hdr(bfd) ((bfd)->tdata.hppabsd_core_data)
 
 #define core_hdr(bfd) ((bfd)->tdata.hppabsd_core_data)

-#define core_signal(bfd) (core_hdr(bfd)->sig)
-#define core_command(bfd) (core_hdr(bfd)->cmd)
-#define core_datasec(bfd) (core_hdr(bfd)->data_section)
+#define core_signal(bfd)   (core_hdr(bfd)->sig)
+#define core_command(bfd)  (core_hdr(bfd)->cmd)
+#define core_datasec(bfd)  (core_hdr(bfd)->data_section)

 #define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
 #define core_stacksec(bfd) (core_hdr(bfd)->stack_section)

-#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
+#define core_regsec(bfd)   (core_hdr(bfd)->reg_section)

 
 static asection *
 
 static asection *

-make_bfd_asection (abfd, name, flags, _raw_size, offset, alignment_power)
-     bfd *abfd;
-     CONST char *name;
-     flagword flags;
-     bfd_size_type _raw_size;
-     file_ptr offset;
-     unsigned int alignment_power;
+make_bfd_asection (bfd *abfd,
+                  const char *name,
+                  flagword flags,
+                  bfd_size_type size,
+                  file_ptr offset,
+                  unsigned int alignment_power)

 {
   asection *asect;
 
 {
   asection *asect;
 

-  asect = bfd_make_section (abfd, name);
+  asect = bfd_make_section_with_flags (abfd, name, flags);

   if (!asect)
     return NULL;
 
   if (!asect)
     return NULL;
 

-  asect->flags = flags;
-  asect->_raw_size = _raw_size;
+  asect->size = size;

   asect->filepos = offset;
   asect->alignment_power = alignment_power;
 
   return asect;
 }
 
   asect->filepos = offset;
   asect->alignment_power = alignment_power;
 
   return asect;
 }
 

-static asymbol *
-hppabsd_core_make_empty_symbol (abfd)
-     bfd *abfd;
-{
-  asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
-  if (new)
-    new->the_bfd = abfd;
-  return new;
-}
-
-static const bfd_target *
-hppabsd_core_core_file_p (abfd)
-     bfd *abfd;
+static bfd_cleanup
+hppabsd_core_core_file_p (bfd *abfd)

 {
   int val;
   struct user u;
 {
   int val;
   struct user u;


@@ -121,7 +100,7 @@ hppabsd_core_core_file_p (abfd)
 
   /* Try to read in the u-area.  We will need information from this
      to know how to grok the rest of the core structures.  */
 
   /* Try to read in the u-area.  We will need information from this
      to know how to grok the rest of the core structures.  */

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

   if (val != sizeof u)
     {
       if (bfd_get_error () != bfd_error_system_call)
   if (val != sizeof u)
     {
       if (bfd_get_error () != bfd_error_system_call)


@@ -141,17 +120,14 @@ hppabsd_core_core_file_p (abfd)
       return NULL;
     }
 
       return NULL;
     }
 

-

   /* Sanity checks.  Make sure the size of the core file matches the
      the size computed from information within the core itself.  */
   {
   /* Sanity checks.  Make sure the size of the core file matches the
      the size computed from information within the core itself.  */
   {

-    FILE *stream = bfd_cache_lookup (abfd);

     struct stat statbuf;
     struct stat statbuf;

-    if (stream == NULL || fstat (fileno (stream), &statbuf) < 0)
-      {
-       bfd_set_error (bfd_error_system_call);
-       return NULL;
-      }
+
+    if (bfd_stat (abfd, &statbuf) < 0)
+      return NULL;
+

     if (NBPG * (UPAGES + u.u_dsize + u.u_ssize) > statbuf.st_size)
       {
        bfd_set_error (bfd_error_file_truncated);
     if (NBPG * (UPAGES + u.u_dsize + u.u_ssize) > statbuf.st_size)
       {
        bfd_set_error (bfd_error_file_truncated);


@@ -169,7 +145,7 @@ hppabsd_core_core_file_p (abfd)
   /* OK, we believe you.  You're a core file (sure, sure).  */
 
   coredata = (struct hppabsd_core_struct *)
   /* OK, we believe you.  You're a core file (sure, sure).  */
 
   coredata = (struct hppabsd_core_struct *)

-    bfd_zalloc (abfd, sizeof (struct hppabsd_core_struct));
+    bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hppabsd_core_struct));

   if (!coredata)
     return NULL;
 
   if (!coredata)
     return NULL;
 


@@ -180,80 +156,68 @@ hppabsd_core_core_file_p (abfd)
   core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
                                           SEC_ALLOC + SEC_HAS_CONTENTS,
                                           clicksz * u.u_ssize,
   core_stacksec (abfd) = make_bfd_asection (abfd, ".stack",
                                           SEC_ALLOC + SEC_HAS_CONTENTS,
                                           clicksz * u.u_ssize,

-                                          NBPG * (USIZE + KSTAKSIZE) 
+                                          NBPG * (USIZE + KSTAKSIZE)

                                             + clicksz * u.u_dsize, 2);
                                             + clicksz * u.u_dsize, 2);

-  core_stacksec (abfd)->vma = USRSTACK; 
+  if (core_stacksec (abfd) == NULL)
+    goto fail;
+  core_stacksec (abfd)->vma = USRSTACK;

 
   core_datasec (abfd) = make_bfd_asection (abfd, ".data",
                                          SEC_ALLOC + SEC_LOAD
                                            + SEC_HAS_CONTENTS,
                                          clicksz * u.u_dsize,
                                          NBPG * (USIZE + KSTAKSIZE), 2);
 
   core_datasec (abfd) = make_bfd_asection (abfd, ".data",
                                          SEC_ALLOC + SEC_LOAD
                                            + SEC_HAS_CONTENTS,
                                          clicksz * u.u_dsize,
                                          NBPG * (USIZE + KSTAKSIZE), 2);

+  if (core_datasec (abfd) == NULL)
+    goto fail;

   core_datasec (abfd)->vma = UDATASEG;
 
   core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
                                         SEC_HAS_CONTENTS,
                                         KSTAKSIZE * NBPG,
                                         NBPG * USIZE, 2);
   core_datasec (abfd)->vma = UDATASEG;
 
   core_regsec (abfd) = make_bfd_asection (abfd, ".reg",
                                         SEC_HAS_CONTENTS,
                                         KSTAKSIZE * NBPG,
                                         NBPG * USIZE, 2);

+  if (core_regsec (abfd) == NULL)
+    goto fail;

   core_regsec (abfd)->vma = 0;
 
   strncpy (core_command (abfd), u.u_comm, MAXCOMLEN + 1);
   core_signal (abfd) = u.u_code;
   core_regsec (abfd)->vma = 0;
 
   strncpy (core_command (abfd), u.u_comm, MAXCOMLEN + 1);
   core_signal (abfd) = u.u_code;

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

 }
 
 static char *
 }
 
 static char *

-hppabsd_core_core_file_failing_command (abfd)
-     bfd *abfd;
+hppabsd_core_core_file_failing_command (bfd *abfd)

 {
   return core_command (abfd);
 }
 
 {
   return core_command (abfd);
 }
 

-/* ARGSUSED */

 static int
 static int

-hppabsd_core_core_file_failing_signal (abfd)
-     bfd *abfd;
+hppabsd_core_core_file_failing_signal (bfd *abfd)

 {
   return core_signal (abfd);
 }
 {
   return core_signal (abfd);
 }

-
-/* ARGSUSED */
-static boolean
-hppabsd_core_core_file_matches_executable_p (core_bfd, exec_bfd)
-     bfd *core_bfd, *exec_bfd;
-{
-  /* There's no way to know this...  */
-  return true;
-}
-

 \f
 \f

-#define hppabsd_core_get_symtab_upper_bound \
-  _bfd_nosymbols_get_symtab_upper_bound
-#define hppabsd_core_get_symtab _bfd_nosymbols_get_symtab
-#define hppabsd_core_print_symbol _bfd_nosymbols_print_symbol
-#define hppabsd_core_get_symbol_info _bfd_nosymbols_get_symbol_info
-#define hppabsd_core_bfd_is_local_label_name \
-  _bfd_nosymbols_bfd_is_local_label_name
-#define hppabsd_core_get_lineno _bfd_nosymbols_get_lineno
-#define hppabsd_core_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define hppabsd_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define hppabsd_core_read_minisymbols _bfd_nosymbols_read_minisymbols
-#define hppabsd_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol
-

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

-swap_abort ()
+swap_abort (void)

 {
   /* This way doesn't require any declaration for ANSI to fuck up.  */
 {
   /* This way doesn't require any declaration for ANSI to fuck up.  */

-  abort ();    
+  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 )
+#define        NO_GET ((bfd_vma (*) (const void *)) swap_abort)
+#define        NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
+#define        NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
+#define        NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
+#define        NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
+#define        NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)

 
 

-const bfd_target hppabsd_core_vec =
+const bfd_target core_hppabsd_vec =

   {
     "hppabsd-core",
     bfd_target_unknown_flavour,
   {
     "hppabsd-core",
     bfd_target_unknown_flavour,


@@ -263,43 +227,47 @@ const bfd_target hppabsd_core_vec =
      HAS_LINENO | HAS_DEBUG |
      HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
     (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
      HAS_LINENO | HAS_DEBUG |
      HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
     (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */

-    0,                                                    /* symbol prefix */
+    0,                                                    /* symbol prefix */

     ' ',                                                  /* ar_pad_char */
     16,                                                           /* ar_max_namelen */
     ' ',                                                  /* ar_pad_char */
     16,                                                           /* ar_max_namelen */

-    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 hdrs */
-    NO_GET, NO_SIGNED_GET, NO_PUT,     /* 32 bit hdrs */
-    NO_GET, NO_SIGNED_GET, NO_PUT,     /* 16 bit hdrs */
+    NO_GET64, NO_GETS64, NO_PUT64,     /* 64 bit data */
+    NO_GET, NO_GETS, NO_PUT,           /* 32 bit data */
+    NO_GET, NO_GETS, NO_PUT,           /* 16 bit data */
+    NO_GET64, NO_GETS64, NO_PUT64,     /* 64 bit hdrs */
+    NO_GET, NO_GETS, NO_PUT,           /* 32 bit hdrs */
+    NO_GET, NO_GETS, NO_PUT,           /* 16 bit hdrs */

 
     {                          /* bfd_check_format */
 
     {                          /* bfd_check_format */

-     _bfd_dummy_target,                /* unknown format */
-     _bfd_dummy_target,                /* object file */
-     _bfd_dummy_target,                /* archive */
-     hppabsd_core_core_file_p  /* a core file */
+      _bfd_dummy_target,               /* unknown format */
+      _bfd_dummy_target,               /* object file */
+      _bfd_dummy_target,               /* archive */
+      hppabsd_core_core_file_p         /* a core file */

     },
     {                          /* bfd_set_format */
     },
     {                          /* bfd_set_format */

-     bfd_false, bfd_false,
-     bfd_false, bfd_false
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error

     },
     {                          /* bfd_write_contents */
     },
     {                          /* bfd_write_contents */

-     bfd_false, bfd_false,
-     bfd_false, bfd_false
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error,
+      _bfd_bool_bfd_false_error

     },
     },

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

-    
-    (PTR) 0                    /* backend_data */
-};
+
+    NULL                       /* backend_data */
+  };

 #endif
 #endif