-/* Convert pid to printable format. */
-char *
-cygwin_pid_to_str (ptid_t ptid)
-{
- static char buf[80];
- int pid = PIDGET (ptid);
-
- if ((DWORD) pid == current_event.dwProcessId)
- sprintf (buf, "process %d", pid);
- else
- sprintf (buf, "thread %ld.0x%x", current_event.dwProcessId, pid);
- return buf;
-}
-
-static int
-core_dll_symbols_add (char *dll_name, DWORD base_addr)
-{
- struct objfile *objfile;
- char *objfile_basename;
- const char *dll_basename;
-
- if (!(dll_basename = strrchr (dll_name, '/')))
- dll_basename = dll_name;
- else
- dll_basename++;
-
- ALL_OBJFILES (objfile)
- {
- objfile_basename = strrchr (objfile->name, '/');
-
- if (objfile_basename &&
- strcmp (dll_basename, objfile_basename + 1) == 0)
- {
- printf_unfiltered ("%08lx:%s (symbols previously loaded)\n",
- base_addr, dll_name);
- goto out;
- }
- }
-
- register_loaded_dll (dll_name, base_addr + 0x1000);
- solib_symbols_add (dll_name, 0, (CORE_ADDR) base_addr + 0x1000);
-
-out:
- return 1;
-}
-
-typedef struct
-{
- struct target_ops *target;
- bfd_vma addr;
-}
-map_code_section_args;
-
-static void
-map_single_dll_code_section (bfd * abfd, asection * sect, void *obj)
-{
- int old;
- int update_coreops;
- struct section_table *new_target_sect_ptr;
-
- map_code_section_args *args = (map_code_section_args *) obj;
- struct target_ops *target = args->target;
- if (sect->flags & SEC_CODE)
- {
- update_coreops = core_ops.to_sections == target->to_sections;
-
- if (target->to_sections)
- {
- old = target->to_sections_end - target->to_sections;
- target->to_sections = (struct section_table *)
- xrealloc ((char *) target->to_sections,
- (sizeof (struct section_table)) * (1 + old));
- }
- else
- {
- old = 0;
- target->to_sections = (struct section_table *)
- xmalloc ((sizeof (struct section_table)));
- }
- target->to_sections_end = target->to_sections + (1 + old);
-
- /* Update the to_sections field in the core_ops structure
- if needed. */
- if (update_coreops)
- {
- core_ops.to_sections = target->to_sections;
- core_ops.to_sections_end = target->to_sections_end;
- }
- new_target_sect_ptr = target->to_sections + old;
- new_target_sect_ptr->addr = args->addr + bfd_section_vma (abfd, sect);
- new_target_sect_ptr->endaddr = args->addr + bfd_section_vma (abfd, sect) +
- bfd_section_size (abfd, sect);;
- new_target_sect_ptr->the_bfd_section = sect;
- new_target_sect_ptr->bfd = abfd;
- }
-}
-
-static int
-dll_code_sections_add (const char *dll_name, int base_addr, struct target_ops *target)
-{
- bfd *dll_bfd;
- map_code_section_args map_args;
- asection *lowest_sect;
- char *name;
- if (dll_name == NULL || target == NULL)
- return 0;
- name = xstrdup (dll_name);
- dll_bfd = bfd_openr (name, "pei-i386");
- if (dll_bfd == NULL)
- return 0;
-
- if (bfd_check_format (dll_bfd, bfd_object))
- {
- lowest_sect = bfd_get_section_by_name (dll_bfd, ".text");
- if (lowest_sect == NULL)
- return 0;
- map_args.target = target;
- map_args.addr = base_addr - bfd_section_vma (dll_bfd, lowest_sect);
-
- bfd_map_over_sections (dll_bfd, &map_single_dll_code_section, (void *) (&map_args));
- }
-
- return 1;
-}
-
-static void
-core_section_load_dll_symbols (bfd * abfd, asection * sect, void *obj)
-{
- struct target_ops *target = (struct target_ops *) obj;
-
- DWORD base_addr;
-
- int dll_name_size;
- char *dll_name = NULL;
- char *buf = NULL;
- struct win32_pstatus *pstatus;
- char *p;
-
- if (strncmp (sect->name, ".module", 7))
- return;
-
- buf = (char *) xmalloc (sect->_raw_size + 1);
- if (!buf)
- {
- printf_unfiltered ("memory allocation failed for %s\n", sect->name);
- goto out;
- }
- if (!bfd_get_section_contents (abfd, sect, buf, 0, sect->_raw_size))
- goto out;
-
- pstatus = (struct win32_pstatus *) buf;
-
- memmove (&base_addr, &(pstatus->data.module_info.base_address), sizeof (base_addr));
- dll_name_size = pstatus->data.module_info.module_name_size;
- if (offsetof (struct win32_pstatus, data.module_info.module_name) + dll_name_size > sect->_raw_size)
- goto out;
-
- dll_name = (char *) xmalloc (dll_name_size + 1);
- if (!dll_name)
- {
- printf_unfiltered ("memory allocation failed for %s\n", sect->name);
- goto out;
- }
- strncpy (dll_name, pstatus->data.module_info.module_name, dll_name_size);
-
- while ((p = strchr (dll_name, '\\')))
- *p = '/';
-
- if (!core_dll_symbols_add (dll_name, (DWORD) base_addr))
- printf_unfiltered ("%s: Failed to load dll symbols.\n", dll_name);
-
- if (!dll_code_sections_add (dll_name, (DWORD) base_addr + 0x1000, target))
- printf_unfiltered ("%s: Failed to map dll code sections.\n", dll_name);
-
-out:
- if (buf)
- xfree (buf);
- if (dll_name)
- xfree (dll_name);
- return;
-}
-
-void
-child_solib_add (char *filename, int from_tty, struct target_ops *target,
- int readsyms)
-{
- if (!readsyms)
- return;
- if (core_bfd)
- {
- child_clear_solibs ();
- bfd_map_over_sections (core_bfd, &core_section_load_dll_symbols, target);
- }
- else
- {
- if (solib_end && solib_end->name)
- solib_end->objfile = solib_symbols_add (solib_end->name, from_tty,
- solib_end->load_addr);
- }
-}
-
-static void
-fetch_elf_core_registers (char *core_reg_sect,
- unsigned core_reg_size,
- int which,
- CORE_ADDR reg_addr)
-{
- int r;
- if (core_reg_size < sizeof (CONTEXT))
- {
- error ("Core file register section too small (%u bytes).", core_reg_size);
- return;
- }
- for (r = 0; r < NUM_REGS; r++)
- supply_register (r, core_reg_sect + mappings[r]);
-}
-
-static struct core_fns win32_elf_core_fns =
-{
- bfd_target_elf_flavour,
- default_check_format,
- default_core_sniffer,
- fetch_elf_core_registers,
- NULL
-};
-
-void
-_initialize_core_win32 (void)
-{
- add_core_fns (&win32_elf_core_fns);
-}
-
projects / deliverable / binutils-gdb.git / blobdiff