* i386bsd-tdep.c (i386bsd_frame_saved_pc): Removed.

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

diff --git a/bfd/ptrace-core.c b/bfd/ptrace-core.c
index 0969dce4c0548e6cf6698d45ebbff23616721a66..f8db927ea860312721f5939aa36485ba2c0c2147 100644 (file)
--- a/bfd/ptrace-core.c
+++ b/bfd/ptrace-core.c
@@ -1,5 +1,6 @@
 /* BFD backend for core files which use the ptrace_user structure
-   Copyright 1993, 94, 95, 96, 1998 Free Software Foundation, Inc.
+   Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2001, 2002
+   Free Software Foundation, Inc.
    The structure of this file is based on trad-core.c written by John Gilmore
    of Cygnus Support.
    Modified to work with the ptrace_user structure by Kevin A. Buettner.
@@ -32,7 +33,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <signal.h>
 #include <sys/ptrace.h>
 
-
 struct trad_core_struct
   {
     asection *data_section;
@@ -64,9 +64,10 @@ ptrace_unix_core_file_p (abfd)
   int val;
   struct ptrace_user u;
   struct trad_core_struct *rawptr;
+  bfd_size_type amt;
 
-  val = bfd_read ((void *)&u, 1, sizeof u, abfd);
-  if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC 
+  val = bfd_bread ((void *)&u, (bfd_size_type) sizeof u, abfd);
+  if (val != sizeof u || u.pt_magic != _BCS_PTRACE_MAGIC
       || u.pt_rev != _BCS_PTRACE_REV)
     {
       /* Too small to be a core file */
@@ -78,37 +79,31 @@ ptrace_unix_core_file_p (abfd)
 
   /* 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));
+  amt = sizeof (struct trad_core_struct);
+  rawptr = (struct trad_core_struct *) bfd_zalloc (abfd, amt);
 
   if (rawptr == NULL)
     return 0;
-  
+
   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_zalloc (abfd, sizeof (asection));
+  core_stacksec (abfd) = bfd_make_section_anyway (abfd, ".stack");
   if (core_stacksec (abfd) == NULL)
-    return NULL;
-  core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+    goto fail;
+  core_datasec (abfd) = bfd_make_section_anyway (abfd, ".data");
   if (core_datasec (abfd) == NULL)
-    return NULL;
-  core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+    goto fail;
+  core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg");
   if (core_regsec (abfd) == NULL)
-    return NULL;
-
-  core_stacksec (abfd)->name = ".stack";
-  core_datasec (abfd)->name = ".data";
-  core_regsec (abfd)->name = ".reg";
+    goto fail;
 
   /* FIXME:  Need to worry about shared memory, library data, and library
      text.  I don't think that any of these things are supported on the
-     system on which I am developing this for though. */
-
+     system on which I am developing this for though.  */
 
   core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
   core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
@@ -116,11 +111,11 @@ ptrace_unix_core_file_p (abfd)
 
   core_datasec (abfd)->_raw_size =  u.pt_dsize;
   core_stacksec (abfd)->_raw_size = u.pt_ssize;
-  core_regsec (abfd)->_raw_size = sizeof(u);
+  core_regsec (abfd)->_raw_size = sizeof (u);
 
   core_datasec (abfd)->vma = u.pt_o_data_start;
   core_stacksec (abfd)->vma = USRSTACK - u.pt_ssize;
-  core_regsec (abfd)->vma = 0 - sizeof(u);     /* see trad-core.c */
+  core_regsec (abfd)->vma = 0 - sizeof (u);    /* see trad-core.c */
 
   core_datasec (abfd)->filepos = (int) u.pt_dataptr;
   core_stacksec (abfd)->filepos = (int) (u.pt_dataptr + u.pt_dsize);
@@ -131,12 +126,13 @@ ptrace_unix_core_file_p (abfd)
   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;
+
+ fail:
+  bfd_release (abfd, abfd->tdata.any);
+  abfd->tdata.any = NULL;
+  bfd_section_list_clear (abfd);
+  return NULL;
 }
 
 char *
@@ -163,16 +159,16 @@ boolean
 ptrace_unix_core_file_matches_executable_p  (core_bfd, exec_bfd)
      bfd *core_bfd, *exec_bfd;
 {
-  /* FIXME: Use pt_timdat field of the ptrace_user structure to match 
+  /* FIXME: Use pt_timdat field of the ptrace_user structure to match
      the date of the executable */
   return true;
 }
 \f
 /* If somebody calls any byte-swapping routines, shoot them.  */
 static void
-swap_abort()
+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 )
@@ -213,7 +209,7 @@ const bfd_target ptrace_core_vec =
      bfd_false, bfd_false,
      bfd_false, bfd_false
     },
-    
+
        BFD_JUMP_TABLE_GENERIC (_bfd_generic),
        BFD_JUMP_TABLE_COPY (_bfd_generic),
        BFD_JUMP_TABLE_CORE (ptrace_unix),
@@ -225,7 +221,7 @@ const bfd_target ptrace_core_vec =
        BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
 
     NULL,
-    
+
     (PTR) 0                    /* backend_data */
 };