OpenE2K/binutils-gdb
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2004-01-28 Roland McGrath <roland@redhat.com>

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* corelow.c (core_xfer_partial): New function.
	(init_core_ops): Use it for core_ops.to_xfer_partial.
This commit is contained in:
Roland McGrath 2004-02-01 22:35:20 +00:00
parent cbb685f35a
commit e2544d02e2
1 changed files with 59 additions and 1 deletions
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60
gdb/corelow.c
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@ -477,7 +477,7 @@ get_core_register_section (char *name,
}
gdb_assert (core_vec);
core_vec->core_read_registers (contents, size, which,
core_vec->core_read_registers (contents, size, which,
((CORE_ADDR)
bfd_section_vma (core_bfd, section)));
}
@ -514,6 +514,63 @@ core_files_info (struct target_ops *t)
{
print_section_info (t, core_bfd);
}
static LONGEST
core_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, void *readbuf,
const void *writebuf, ULONGEST offset, LONGEST len)
{
switch (object)
{
case TARGET_OBJECT_MEMORY:
if (readbuf)
return (*ops->to_xfer_memory) (offset, readbuf, len, 0/*write*/,
NULL, ops);
if (writebuf)
return (*ops->to_xfer_memory) (offset, readbuf, len, 1/*write*/,
NULL, ops);
return -1;
case TARGET_OBJECT_AUXV:
if (readbuf)
{
/* When the aux vector is stored in core file, BFD
represents this with a fake section called ".auxv". */
sec_ptr section;
bfd_size_type size;
char *contents;
section = bfd_get_section_by_name (core_bfd, ".auxv");
if (section == NULL)
return -1;
size = bfd_section_size (core_bfd, section);
if (offset >= size)
return 0;
size -= offset;
if (size > len)
size = len;
if (size > 0 &&
! bfd_get_section_contents (core_bfd, section, readbuf,
(file_ptr) offset, size))
{
warning ("Couldn't read NT_AUXV note in core file.");
return -1;
}
return size;
}
return -1;
default:
if (ops->beneath != NULL)
return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
readbuf, writebuf, offset, len);
return -1;
}
}
/* If mourn is being called in all the right places, this could be say
`gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */
@ -551,6 +608,7 @@ init_core_ops (void)
core_ops.to_attach = find_default_attach;
core_ops.to_detach = core_detach;
core_ops.to_fetch_registers = get_core_registers;
core_ops.to_xfer_partial = core_xfer_partial;
core_ops.to_xfer_memory = xfer_memory;
core_ops.to_files_info = core_files_info;
core_ops.to_insert_breakpoint = ignore;