static void
dsbt_get_initial_loadmaps (void)
{
gdb_byte *buf;
struct dsbt_info *info = get_dsbt_info ();
if (0 >= target_read_alloc (¤t_target, TARGET_OBJECT_FDPIC,
"exec", (gdb_byte**) &buf))
{
info->exec_loadmap = NULL;
error (_("Error reading DSBT exec loadmap"));
}
info->exec_loadmap = decode_loadmap (buf);
if (solib_dsbt_debug)
dsbt_print_loadmap (info->exec_loadmap);
if (0 >= target_read_alloc (¤t_target, TARGET_OBJECT_FDPIC,
"interp", (gdb_byte**)&buf))
{
info->interp_loadmap = NULL;
error (_("Error reading DSBT interp loadmap"));
}
info->interp_loadmap = decode_loadmap (buf);
if (solib_dsbt_debug)
dsbt_print_loadmap (info->interp_loadmap);
}
/* Extract the auxiliary vector entry with a_type matching MATCH.
Return zero if no such entry was found, or -1 if there was
an error getting the information. On success, return 1 after
storing the entry's value field in *VALP. */
int
target_auxv_search (struct target_ops *ops, CORE_ADDR match, CORE_ADDR *valp)
{
CORE_ADDR type, val;
gdb_byte *data;
LONGEST n = target_read_alloc (ops, TARGET_OBJECT_AUXV, NULL, &data);
gdb_byte *ptr = data;
if (n <= 0)
return n;
while (1)
switch (target_auxv_parse (ops, &ptr, data + n, &type, &val))
{
case 1: /* Here's an entry, check it. */
if (type == match)
{
xfree (data);
*valp = val;
return 1;
}
break;
case 0: /* End of the vector. */
xfree (data);
return 0;
default: /* Bogosity. */
xfree (data);
return -1;
}
/*NOTREACHED*/
}
static struct auxv_info *
get_auxv_inferior_data (struct target_ops *ops)
{
struct auxv_info *info;
struct inferior *inf = current_inferior ();
info = inferior_data (inf, auxv_inferior_data);
if (info == NULL)
{
info = XZALLOC (struct auxv_info);
info->length = target_read_alloc (ops, TARGET_OBJECT_AUXV,
NULL, &info->data);
set_inferior_data (inf, auxv_inferior_data, info);
}
static struct auxv_info *
get_auxv_inferior_data (struct target_ops *ops)
{
struct auxv_info *info;
struct inferior *inf = current_inferior ();
info = (struct auxv_info *) inferior_data (inf, auxv_inferior_data);
if (info == NULL)
{
info = new auxv_info;
info->data = target_read_alloc (ops, TARGET_OBJECT_AUXV, NULL);
set_inferior_data (inf, auxv_inferior_data, info);
}
return info;
}
/* Print the contents of the target's AUXV on the specified file. */
int
fprint_target_auxv (struct ui_file *file, struct target_ops *ops)
{
CORE_ADDR type, val;
gdb_byte *data;
LONGEST len = target_read_alloc (ops, TARGET_OBJECT_AUXV, NULL,
&data);
gdb_byte *ptr = data;
int ents = 0;
if (len <= 0)
return len;
while (target_auxv_parse (ops, &ptr, data + len, &type, &val) > 0)
{
const char *name = "???";
const char *description = "";
enum { dec, hex, str } flavor = hex;
switch (type)
{
#define TAG(tag, text, kind) \
case tag: name = #tag; description = text; flavor = kind; break
TAG (AT_NULL, _("End of vector"), hex);
TAG (AT_IGNORE, _("Entry should be ignored"), hex);
TAG (AT_EXECFD, _("File descriptor of program"), dec);
TAG (AT_PHDR, _("Program headers for program"), hex);
TAG (AT_PHENT, _("Size of program header entry"), dec);
TAG (AT_PHNUM, _("Number of program headers"), dec);
TAG (AT_PAGESZ, _("System page size"), dec);
TAG (AT_BASE, _("Base address of interpreter"), hex);
TAG (AT_FLAGS, _("Flags"), hex);
TAG (AT_ENTRY, _("Entry point of program"), hex);
TAG (AT_NOTELF, _("Program is not ELF"), dec);
TAG (AT_UID, _("Real user ID"), dec);
TAG (AT_EUID, _("Effective user ID"), dec);
TAG (AT_GID, _("Real group ID"), dec);
TAG (AT_EGID, _("Effective group ID"), dec);
TAG (AT_CLKTCK, _("Frequency of times()"), dec);
TAG (AT_PLATFORM, _("String identifying platform"), str);
TAG (AT_HWCAP, _("Machine-dependent CPU capability hints"), hex);
TAG (AT_FPUCW, _("Used FPU control word"), dec);
TAG (AT_DCACHEBSIZE, _("Data cache block size"), dec);
TAG (AT_ICACHEBSIZE, _("Instruction cache block size"), dec);
TAG (AT_UCACHEBSIZE, _("Unified cache block size"), dec);
TAG (AT_IGNOREPPC, _("Entry should be ignored"), dec);
TAG (AT_BASE_PLATFORM, _("String identifying base platform"), str);
TAG (AT_RANDOM, _("Address of 16 random bytes"), hex);
TAG (AT_EXECFN, _("File name of executable"), str);
TAG (AT_SECURE, _("Boolean, was exec setuid-like?"), dec);
TAG (AT_SYSINFO, _("Special system info/entry points"), hex);
TAG (AT_SYSINFO_EHDR, _("System-supplied DSO's ELF header"), hex);
TAG (AT_SUN_UID, _("Effective user ID"), dec);
TAG (AT_SUN_RUID, _("Real user ID"), dec);
TAG (AT_SUN_GID, _("Effective group ID"), dec);
TAG (AT_SUN_RGID, _("Real group ID"), dec);
TAG (AT_SUN_LDELF, _("Dynamic linker's ELF header"), hex);
TAG (AT_SUN_LDSHDR, _("Dynamic linker's section headers"), hex);
TAG (AT_SUN_LDNAME, _("String giving name of dynamic linker"), str);
TAG (AT_SUN_LPAGESZ, _("Large pagesize"), dec);
TAG (AT_SUN_PLATFORM, _("Platform name string"), str);
TAG (AT_SUN_HWCAP, _("Machine-dependent CPU capability hints"), hex);
TAG (AT_SUN_IFLUSH, _("Should flush icache?"), dec);
TAG (AT_SUN_CPU, _("CPU name string"), str);
TAG (AT_SUN_EMUL_ENTRY, _("COFF entry point address"), hex);
TAG (AT_SUN_EMUL_EXECFD, _("COFF executable file descriptor"), dec);
TAG (AT_SUN_EXECNAME,
_("Canonicalized file name given to execve"), str);
TAG (AT_SUN_MMU, _("String for name of MMU module"), str);
TAG (AT_SUN_LDDATA, _("Dynamic linker's data segment address"), hex);
TAG (AT_SUN_AUXFLAGS,
_("AF_SUN_ flags passed from the kernel"), hex);
}
fprintf_filtered (file, "%-4s %-20s %-30s ",
plongest (type), name, description);
switch (flavor)
{
case dec:
fprintf_filtered (file, "%s\n", plongest (val));
break;
case hex:
fprintf_filtered (file, "%s\n", paddress (target_gdbarch, val));
break;
case str:
{
struct value_print_options opts;
get_user_print_options (&opts);
if (opts.addressprint)
fprintf_filtered (file, "%s", paddress (target_gdbarch, val));
val_print_string (builtin_type (target_gdbarch)->builtin_char,
NULL, val, -1, file, &opts);
fprintf_filtered (file, "\n");
}
break;
}
++ents;
if (type == AT_NULL)
break;
}
xfree (data);
return ents;
}
