/* Shared library support for IRIX.
Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2004,
- 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file was created using portions of irix5-nat.c originally
contributed to GDB by Ian Lance Taylor.
appropriate type. Calling extract_signed_integer seems simpler. */
static CORE_ADDR
-extract_mips_address (void *addr, int len)
+extract_mips_address (void *addr, int len, enum bfd_endian byte_order)
{
- return extract_signed_integer (addr, len);
+ return extract_signed_integer (addr, len, byte_order);
}
/* Fetch and return the link map data associated with ADDR. Note that
static struct lm_info
fetch_lm_info (CORE_ADDR addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
struct lm_info li;
union irix_obj_info buf;
being at the end of a page or the like.) */
read_memory (addr, (char *) &buf, sizeof (buf.ol32));
- if (extract_unsigned_integer (buf.magic.b, sizeof (buf.magic)) != 0xffffffff)
+ if (extract_unsigned_integer (buf.magic.b, sizeof (buf.magic), byte_order)
+ != 0xffffffff)
{
/* Use buf.ol32... */
char obj_buf[432];
CORE_ADDR obj_addr = extract_mips_address (&buf.ol32.data,
- sizeof (buf.ol32.data));
- li.next = extract_mips_address (&buf.ol32.next, sizeof (buf.ol32.next));
+ sizeof (buf.ol32.data),
+ byte_order);
+ li.next = extract_mips_address (&buf.ol32.next,
+ sizeof (buf.ol32.next), byte_order);
read_memory (obj_addr, obj_buf, sizeof (obj_buf));
- li.pathname_addr = extract_mips_address (&obj_buf[236], 4);
+ li.pathname_addr = extract_mips_address (&obj_buf[236], 4, byte_order);
li.pathname_len = 0; /* unknown */
- li.reloc_offset = extract_mips_address (&obj_buf[196], 4)
- - extract_mips_address (&obj_buf[248], 4);
+ li.reloc_offset = extract_mips_address (&obj_buf[196], 4, byte_order)
+ - extract_mips_address (&obj_buf[248], 4, byte_order);
}
else if (extract_unsigned_integer (buf.oi32.oi_size.b,
- sizeof (buf.oi32.oi_size))
+ sizeof (buf.oi32.oi_size), byte_order)
== sizeof (buf.oi32))
{
/* Use buf.oi32... */
/* Fill in fields using buffer contents. */
li.next = extract_mips_address (&buf.oi32.oi_next,
- sizeof (buf.oi32.oi_next));
+ sizeof (buf.oi32.oi_next), byte_order);
li.reloc_offset = extract_mips_address (&buf.oi32.oi_ehdr,
- sizeof (buf.oi32.oi_ehdr))
+ sizeof (buf.oi32.oi_ehdr),
+ byte_order)
- extract_mips_address (&buf.oi32.oi_orig_ehdr,
- sizeof (buf.oi32.oi_orig_ehdr));
+ sizeof (buf.oi32.oi_orig_ehdr), byte_order);
li.pathname_addr = extract_mips_address (&buf.oi32.oi_pathname,
- sizeof (buf.oi32.oi_pathname));
+ sizeof (buf.oi32.oi_pathname),
+ byte_order);
li.pathname_len = extract_unsigned_integer (buf.oi32.oi_pathname_len.b,
sizeof (buf.oi32.
- oi_pathname_len));
+ oi_pathname_len),
+ byte_order);
}
else if (extract_unsigned_integer (buf.oi64.oi_size.b,
- sizeof (buf.oi64.oi_size))
+ sizeof (buf.oi64.oi_size), byte_order)
== sizeof (buf.oi64))
{
/* Use buf.oi64... */
/* Fill in fields using buffer contents. */
li.next = extract_mips_address (&buf.oi64.oi_next,
- sizeof (buf.oi64.oi_next));
+ sizeof (buf.oi64.oi_next), byte_order);
li.reloc_offset = extract_mips_address (&buf.oi64.oi_ehdr,
- sizeof (buf.oi64.oi_ehdr))
+ sizeof (buf.oi64.oi_ehdr),
+ byte_order)
- extract_mips_address (&buf.oi64.oi_orig_ehdr,
- sizeof (buf.oi64.oi_orig_ehdr));
+ sizeof (buf.oi64.oi_orig_ehdr), byte_order);
li.pathname_addr = extract_mips_address (&buf.oi64.oi_pathname,
- sizeof (buf.oi64.oi_pathname));
+ sizeof (buf.oi64.oi_pathname),
+ byte_order);
li.pathname_len = extract_unsigned_integer (buf.oi64.oi_pathname_len.b,
sizeof (buf.oi64.
- oi_pathname_len));
+ oi_pathname_len),
+ byte_order);
}
else
{
/* Note that breakpoint address and original contents are in our address
space, so we just need to write the original contents back. */
- if (deprecated_remove_raw_breakpoint (base_breakpoint) != 0)
+ if (deprecated_remove_raw_breakpoint (target_gdbarch, base_breakpoint) != 0)
{
status = 0;
}
static int
enable_break (void)
{
- if (symfile_objfile != NULL)
+ if (symfile_objfile != NULL && has_stack_frames ())
{
- base_breakpoint
- = deprecated_insert_raw_breakpoint (entry_point_address ());
+ struct frame_info *frame = get_current_frame ();
+ struct address_space *aspace = get_frame_address_space (frame);
+ CORE_ADDR entry_point;
+
+ if (!entry_point_address_query (&entry_point))
+ return 0;
+
+ base_breakpoint = deprecated_insert_raw_breakpoint (target_gdbarch,
+ aspace, entry_point);
if (base_breakpoint != NULL)
return 1;
SYNOPSIS
- void solib_create_inferior_hook ()
+ void solib_create_inferior_hook (int from_tty)
DESCRIPTION
*/
static void
-irix_solib_create_inferior_hook (void)
+irix_solib_create_inferior_hook (int from_tty)
{
struct inferior *inf;
struct thread_info *tp;
+ inf = current_inferior ();
+
+ /* If we are attaching to the inferior, the shared libraries
+ have already been mapped, so nothing more to do. */
+ if (inf->attach_flag)
+ return;
+
+ /* Likewise when debugging from a core file, the shared libraries
+ have already been mapped, so nothing more to do. */
+ if (!target_can_run (¤t_target))
+ return;
+
if (!enable_break ())
{
warning (_("shared library handler failed to enable breakpoint"));
can go groveling around in the dynamic linker structures to find
out what we need to know about them. */
- inf = current_inferior ();
tp = inferior_thread ();
clear_proceed_status ();
static struct so_list *
irix_current_sos (void)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ int addr_size = gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT;
CORE_ADDR lma;
char addr_buf[8];
struct so_list *head = 0;
return 0;
}
- read_memory (debug_base,
- addr_buf,
- gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT);
- lma = extract_mips_address (addr_buf,
- gdbarch_addr_bit (target_gdbarch)
- / TARGET_CHAR_BIT);
+ read_memory (debug_base, addr_buf, addr_size);
+ lma = extract_mips_address (addr_buf, addr_size, byte_order);
while (lma)
{
static int
irix_open_symbol_file_object (void *from_ttyp)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ int addr_size = gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT;
CORE_ADDR lma;
char addr_buf[8];
struct lm_info lm;
return 0; /* failed somehow... */
/* First link map member should be the executable. */
- read_memory (debug_base,
- addr_buf,
- gdbarch_addr_bit (target_gdbarch) / TARGET_CHAR_BIT);
- lma = extract_mips_address (addr_buf,
- gdbarch_addr_bit (target_gdbarch)
- / TARGET_CHAR_BIT);
+ read_memory (debug_base, addr_buf, addr_size);
+ lma = extract_mips_address (addr_buf, addr_size, byte_order);
if (lma == 0)
return 0; /* failed somehow... */
irix_so_ops.current_sos = irix_current_sos;
irix_so_ops.open_symbol_file_object = irix_open_symbol_file_object;
irix_so_ops.in_dynsym_resolve_code = irix_in_dynsym_resolve_code;
+ irix_so_ops.bfd_open = solib_bfd_open;
}
projects / deliverable / binutils-gdb.git / blobdiff