Touches most files in bfd/, so likely will be blamed for everything..
[deliverable/binutils-gdb.git] / bfd / netbsd-core.c
index c93d6a4dc226a2f40b780cb3364b7165805d6c2b..1c1a99ee04891a422e43cb5c02afac6e02c73aef 100644 (file)
@@ -1,5 +1,5 @@
 /* BFD back end for NetBSD style core files
-   Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000
+   Copyright 1988, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000, 2001
    Free Software Foundation, Inc.
    Written by Paul Kranenburg, EUR
 
@@ -39,12 +39,12 @@ struct netbsd_core_struct {
 
 /* forward declarations */
 
-static const bfd_target *      netbsd_core_file_p PARAMS ((bfd *abfd));
-static char *          netbsd_core_file_failing_command PARAMS ((bfd *abfd));
-static int             netbsd_core_file_failing_signal PARAMS ((bfd *abfd));
-static boolean         netbsd_core_file_matches_executable_p
-                        PARAMS ((bfd *core_bfd, bfd *exec_bfd));
-static void            swap_abort PARAMS ((void));
+static const bfd_target *netbsd_core_file_p PARAMS ((bfd *abfd));
+static char *netbsd_core_file_failing_command PARAMS ((bfd *abfd));
+static int netbsd_core_file_failing_signal PARAMS ((bfd *abfd));
+static boolean netbsd_core_file_matches_executable_p
+  PARAMS ((bfd *core_bfd, bfd *exec_bfd));
+static void swap_abort PARAMS ((void));
 
 /* Handle NetBSD-style core dump file.  */
 
@@ -54,117 +54,132 @@ netbsd_core_file_p (abfd)
      bfd *abfd;
 
 {
-       int             i, val, offset;
-       asection        *asect, *asect2;
-       struct core     core;
-       struct coreseg  coreseg;
-
-       val = bfd_read ((void *)&core, 1, sizeof core, abfd);
-       if (val != sizeof core) {
-               /* Too small to be a core file */
-               bfd_set_error(bfd_error_wrong_format);
-               return 0;
+  int i, val;
+  file_ptr offset;
+  asection *asect, *asect2;
+  struct core core;
+  struct coreseg coreseg;
+  bfd_size_type amt = sizeof core;
+
+  val = bfd_bread ((void *) &core, amt, abfd);
+  if (val != sizeof core)
+    {
+      /* Too small to be a core file */
+      bfd_set_error (bfd_error_wrong_format);
+      return 0;
+    }
+
+  if (CORE_GETMAGIC (core) != COREMAGIC)
+    {
+      bfd_set_error (bfd_error_wrong_format);
+      return 0;
+    }
+
+  amt = sizeof (struct netbsd_core_struct);
+  rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt);
+  if (rawptr == NULL)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return 0;
+    }
+
+  rawptr->core = core;
+  abfd->tdata.netbsd_core_data = rawptr;
+
+  offset = core.c_hdrsize;
+  for (i = 0; i < core.c_nseg; i++)
+    {
+
+      if (bfd_seek (abfd, offset, SEEK_SET) != 0)
+       goto punt;
+
+      val = bfd_bread ((void *) &coreseg, (bfd_size_type) sizeof coreseg, abfd);
+      if (val != sizeof coreseg)
+       {
+         bfd_set_error (bfd_error_file_truncated);
+         goto punt;
        }
-
-       if (CORE_GETMAGIC(core) != COREMAGIC) {
-               bfd_set_error(bfd_error_wrong_format);
-               return 0;
+      if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC)
+       {
+         bfd_set_error (bfd_error_wrong_format);
+         goto punt;
        }
 
-       rawptr = (struct netbsd_core_struct *)
-               bfd_zalloc (abfd, sizeof (struct netbsd_core_struct));
-       if (rawptr == NULL) {
-               bfd_set_error(bfd_error_no_memory);
-               return 0;
+      offset += core.c_seghdrsize;
+
+      amt = sizeof (asection);
+      asect = (asection *) bfd_zalloc (abfd, amt);
+      if (asect == NULL)
+       {
+         bfd_set_error (bfd_error_no_memory);
+         goto punt;
        }
 
-       rawptr->core = core;
-       abfd->tdata.netbsd_core_data = rawptr;
-
-       offset = core.c_hdrsize;
-       for (i = 0; i < core.c_nseg; i++) {
-
-               if (bfd_seek (abfd, offset, SEEK_SET) != 0)
-                       goto punt;
-
-               val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd);
-               if (val != sizeof coreseg) {
-                       bfd_set_error(bfd_error_file_truncated);
-                       goto punt;
-               }
-               if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) {
-                       bfd_set_error(bfd_error_wrong_format);
-                       goto punt;
-               }
-
-               offset += core.c_seghdrsize;
-
-               asect = (asection *) bfd_zalloc (abfd, sizeof (asection));
-               if (asect == NULL) {
-                       bfd_set_error(bfd_error_no_memory);
-                       goto punt;
-               }
-
-               asect->_raw_size = coreseg.c_size;
-               asect->vma = coreseg.c_addr;
-               asect->filepos = offset;
-               asect->alignment_power = 2;
-               asect->next = abfd->sections;
-               abfd->sections = asect;
-               abfd->section_count++;
-               offset += coreseg.c_size;
-
-               switch (CORE_GETFLAG(coreseg)) {
-               case CORE_CPU:
-                       asect->name = ".reg";
-                       asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+      asect->_raw_size = coreseg.c_size;
+      asect->vma = coreseg.c_addr;
+      asect->filepos = offset;
+      asect->alignment_power = 2;
+      asect->next = abfd->sections;
+      abfd->sections = asect;
+      abfd->section_count++;
+      offset += coreseg.c_size;
+
+      switch (CORE_GETFLAG(coreseg))
+       {
+       case CORE_CPU:
+         asect->name = ".reg";
+         asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
 #ifdef CORE_FPU_OFFSET
-                       /* Hackish...  */
-                       asect->_raw_size = CORE_FPU_OFFSET;
-                       asect2 = (asection *)bfd_zalloc (abfd,
-                                                        sizeof (asection));
-                       if (asect2 == NULL) {
-                               bfd_set_error(bfd_error_no_memory);
-                               goto punt;
-                       }
-                       asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
-                       asect2->vma = 0;
-                       asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
-                       asect2->alignment_power = 2;
-                       asect2->next = abfd->sections;
-                       asect2->name = ".reg2";
-                       asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
-                       abfd->sections = asect2;
-                       abfd->section_count++;
+         /* Hackish...  */
+         asect->_raw_size = CORE_FPU_OFFSET;
+         amt = sizeof (asection);
+         asect2 = (asection *) bfd_zalloc (abfd, amt);
+         if (asect2 == NULL)
+           {
+             bfd_set_error (bfd_error_no_memory);
+             goto punt;
+           }
+         asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
+         asect2->vma = 0;
+         asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
+         asect2->alignment_power = 2;
+         asect2->next = abfd->sections;
+         asect2->name = ".reg2";
+         asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+         abfd->sections = asect2;
+         abfd->section_count++;
 #endif
 
-                       break;
-               case CORE_DATA:
-                       asect->name = ".data";
-                       asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
-                       break;
-               case CORE_STACK:
-                       asect->name = ".stack";
-                       asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
-                       break;
-               }
+         break;
+       case CORE_DATA:
+         asect->name = ".data";
+         asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
+         break;
+       case CORE_STACK:
+         asect->name = ".stack";
+         asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
+         break;
        }
+    }
 
-       /* OK, we believe you.  You're a core file (sure, sure).  */
-       return abfd->xvec;
+  /* OK, we believe you.  You're a core file (sure, sure).  */
+  return abfd->xvec;
 
-punt:  {
-               asection        *anext;
-               for (asect = abfd->sections; asect; asect = anext) {
-                       anext = asect->next;
-                       free((void *)asect);
-               }
-       }
-       free ((void *)rawptr);
-       abfd->tdata.netbsd_core_data = NULL;
-       abfd->sections = NULL;
-       abfd->section_count = 0;
-       return 0;
+ punt:
+  {
+    asection *anext;
+    for (asect = abfd->sections; asect; asect = anext)
+      {
+       anext = asect->next;
+       free ((void *) asect);
+      }
+  }
+
+  free ((void *) rawptr);
+  abfd->tdata.netbsd_core_data = NULL;
+  abfd->sections = NULL;
+  abfd->section_count = 0;
+  return 0;
 }
 
 static char*
@@ -187,7 +202,8 @@ netbsd_core_file_failing_signal (abfd)
 /* ARGSUSED */
 static boolean
 netbsd_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 */
 }
This page took 0.028014 seconds and 4 git commands to generate.