/* BFD back-end for CISCO crash dumps.
-
-Copyright 1994, 1997, 1999, 2000 Free Software Foundation, Inc.
+ Copyright 1994, 1997, 1999, 2000, 2001, 2002, 2004
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
char database[4]; /* Base of .data section (not in V3 crash info) */
char bssbase[4]; /* Base of .bss section (not in V3 crash info) */
} crashinfo_external;
-\f
+
struct cisco_core_struct
{
int sig;
};
+
+static const bfd_target *cisco_core_file_validate PARAMS ((bfd *, int));
+static const bfd_target *cisco_core_file_p PARAMS ((bfd *));
+char *cisco_core_file_failing_command PARAMS ((bfd *));
+int cisco_core_file_failing_signal PARAMS ((bfd *));
+bfd_boolean cisco_core_file_matches_executable_p PARAMS ((bfd *, bfd *));
\f
/* Examine the file for a crash info struct at the offset given by
CRASH_INFO_LOC. */
unsigned int rambase;
sec_ptr asect;
struct stat statbuf;
+ bfd_size_type amt;
- if (bfd_seek (abfd, crash_info_loc, SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) crash_info_loc, SEEK_SET) != 0)
return NULL;
- nread = bfd_read (buf, 1, 4, abfd);
+ nread = bfd_bread (buf, (bfd_size_type) 4, abfd);
if (nread != 4)
{
if (bfd_get_error () != bfd_error_system_call)
}
crashinfo_offset = MASK_ADDR (bfd_get_32 (abfd, buf));
- if (bfd_seek (abfd, crashinfo_offset, SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) crashinfo_offset, SEEK_SET) != 0)
{
/* Most likely we failed because of a bogus (huge) offset */
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- nread = bfd_read (&crashinfo, 1, sizeof (crashinfo), abfd);
+ nread = bfd_bread (&crashinfo, (bfd_size_type) sizeof (crashinfo), abfd);
if (nread != sizeof (crashinfo))
{
if (bfd_get_error () != bfd_error_system_call)
/* OK, we believe you. You're a core file. */
- abfd->tdata.cisco_core_data =
- ((struct cisco_core_struct *)
- bfd_zmalloc (sizeof (struct cisco_core_struct)));
+ amt = sizeof (struct cisco_core_struct);
+ abfd->tdata.cisco_core_data = (struct cisco_core_struct *) bfd_zmalloc (amt);
if (abfd->tdata.cisco_core_data == NULL)
return NULL;
break;
}
- abfd->sections = NULL;
- abfd->section_count = 0;
-
- /* Create a ".reg" section to allow access to the saved
- registers. */
+ /* Create a ".data" section that maps the entire file, which is
+ essentially a dump of the target system's RAM. */
- asect = (asection *) bfd_zmalloc (sizeof (asection));
+ asect = bfd_make_section_anyway (abfd, ".data");
if (asect == NULL)
goto error_return;
- asect->name = ".reg";
- asect->flags = SEC_HAS_CONTENTS;
- asect->vma = 0;
- asect->filepos = bfd_get_32 (abfd, crashinfo.registers) - rambase;
- /* Since we don't know the exact size of the saved register info,
- choose a register section size that is either the remaining part
- of the file, or 1024, whichever is smaller. */
- nread = statbuf.st_size - asect->filepos;
- asect->_raw_size = (nread < 1024) ? nread : 1024;
- asect->next = abfd->sections;
- abfd->sections = asect;
- ++abfd->section_count;
+ asect->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
+ /* The size of memory is the size of the core file itself. */
+ asect->size = statbuf.st_size;
+ asect->vma = rambase;
+ asect->filepos = 0;
/* Create a ".crash" section to allow access to the saved
crash information. */
- asect = (asection *) bfd_zmalloc (sizeof (asection));
+ asect = bfd_make_section_anyway (abfd, ".crash");
if (asect == NULL)
goto error_return;
- asect->name = ".crash";
asect->flags = SEC_HAS_CONTENTS;
asect->vma = 0;
asect->filepos = crashinfo_offset;
- asect->_raw_size = sizeof (crashinfo);
- asect->next = abfd->sections;
- abfd->sections = asect;
- ++abfd->section_count;
+ asect->size = sizeof (crashinfo);
- /* Create a ".data" section that maps the entire file, which is
- essentially a dump of the target system's RAM. */
+ /* Create a ".reg" section to allow access to the saved
+ registers. */
- asect = (asection *) bfd_zmalloc (sizeof (asection));
+ asect = bfd_make_section_anyway (abfd, ".reg");
if (asect == NULL)
goto error_return;
- asect->name = ".data";
- asect->flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS;
- /* The size of memory is the size of the core file itself. */
- asect->_raw_size = statbuf.st_size;
- asect->vma = rambase;
- asect->filepos = 0;
- asect->next = abfd->sections;
- abfd->sections = asect;
- ++abfd->section_count;
+ asect->flags = SEC_HAS_CONTENTS;
+ asect->vma = 0;
+ asect->filepos = bfd_get_32 (abfd, crashinfo.registers) - rambase;
+ /* Since we don't know the exact size of the saved register info,
+ choose a register section size that is either the remaining part
+ of the file, or 1024, whichever is smaller. */
+ nread = statbuf.st_size - asect->filepos;
+ asect->size = (nread < 1024) ? nread : 1024;
return abfd->xvec;
and there is an error of some kind. */
error_return:
- {
- sec_ptr nextsect;
- for (asect = abfd->sections; asect != NULL;)
- {
- nextsect = asect->next;
- free (asect);
- asect = nextsect;
- }
- free (abfd->tdata.cisco_core_data);
- return NULL;
- }
+ bfd_release (abfd, abfd->tdata.any);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
+ return NULL;
}
static const bfd_target *
char *
cisco_core_file_failing_command (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return NULL;
}
int
cisco_core_file_failing_signal (abfd)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
return abfd->tdata.cisco_core_data->sig;
}
-boolean
+bfd_boolean
cisco_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd;
- bfd *exec_bfd;
+ bfd *core_bfd ATTRIBUTE_UNUSED;
+ bfd *exec_bfd ATTRIBUTE_UNUSED;
{
- return true;
+ return TRUE;
}
\f
extern const bfd_target cisco_core_little_vec;