/* nto-tdep.c - general QNX Neutrino target functionality.
- Copyright 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
Contributed by QNX Software Systems Ltd.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "gdb_stat.h"
#include "gdb_string.h"
#endif
}
+void
+nto_set_target (struct nto_target_ops *targ)
+{
+ nto_regset_id = targ->regset_id;
+ nto_supply_gregset = targ->supply_gregset;
+ nto_supply_fpregset = targ->supply_fpregset;
+ nto_supply_altregset = targ->supply_altregset;
+ nto_supply_regset = targ->supply_regset;
+ nto_register_area = targ->register_area;
+ nto_regset_fill = targ->regset_fill;
+ nto_fetch_link_map_offsets = targ->fetch_link_map_offsets;
+}
+
/* Take a string such as i386, rs6000, etc. and map it onto CPUTYPE_X86,
CPUTYPE_PPC, etc. as defined in nto-share/dsmsgs.h. */
int
{
if (!strcmp (arch, "i386") || !strcmp (arch, "x86"))
return CPUTYPE_X86;
- if (!strcmp (arch, "rs6000") || !strcmp (arch, "ppc"))
+ if (!strcmp (arch, "rs6000") || !strcmp (arch, "powerpc"))
return CPUTYPE_PPC;
if (!strcmp (arch, "mips"))
return CPUTYPE_MIPS;
int
nto_find_and_open_solib (char *solib, unsigned o_flags, char **temp_pathname)
{
- char *buf, arch_path[PATH_MAX], *nto_root, *endian;
+ char *buf, *arch_path, *nto_root, *endian, *base;
const char *arch;
- char *path_fmt = "%s/lib:%s/usr/lib:%s/usr/photon/lib\
-:%s/usr/photon/dll:%s/lib/dll";
+ int ret;
+#define PATH_FMT "%s/lib:%s/usr/lib:%s/usr/photon/lib:%s/usr/photon/dll:%s/lib/dll"
nto_root = nto_target ();
if (strcmp (TARGET_ARCHITECTURE->arch_name, "i386") == 0)
arch = "x86";
endian = "";
}
- else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0)
+ else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
+ || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
{
arch = "ppc";
endian = "be";
endian = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "be" : "le";
}
+ /* In case nto_root is short, add strlen(solib)
+ so we can reuse arch_path below. */
+ arch_path =
+ alloca (strlen (nto_root) + strlen (arch) + strlen (endian) + 2 +
+ strlen (solib));
sprintf (arch_path, "%s/%s%s", nto_root, arch, endian);
- buf = alloca (strlen (path_fmt) + strlen (arch_path) * 5 + 1);
- sprintf (buf, path_fmt, arch_path, arch_path, arch_path, arch_path,
+ buf = alloca (strlen (PATH_FMT) + strlen (arch_path) * 5 + 1);
+ sprintf (buf, PATH_FMT, arch_path, arch_path, arch_path, arch_path,
arch_path);
- return openp (buf, 1, solib, o_flags, 0, temp_pathname);
+ /* Don't assume basename() isn't destructive. */
+ base = strrchr (solib, '/');
+ if (!base)
+ base = solib;
+ else
+ base++; /* Skip over '/'. */
+
+ ret = openp (buf, 1, base, o_flags, 0, temp_pathname);
+ if (ret < 0 && base != solib)
+ {
+ sprintf (arch_path, "/%s", solib);
+ ret = open (arch_path, o_flags, 0);
+ if (temp_pathname)
+ {
+ if (ret >= 0)
+ *temp_pathname = gdb_realpath (arch_path);
+ else
+ **temp_pathname = '\0';
+ }
+ }
+ return ret;
}
void
arch = "x86";
endian = "";
}
- else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0)
+ else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
+ || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
{
arch = "ppc";
endian = "be";
sec->endaddr = nto_truncate_ptr (sec->endaddr + LM_ADDR (so) - vaddr);
}
-static void
-fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
- int which, CORE_ADDR reg_addr)
+/* This is cheating a bit because our linker code is in libc.so. If we
+ ever implement lazy linking, this may need to be re-examined. */
+int
+nto_in_dynsym_resolve_code (CORE_ADDR pc)
{
- nto_regset_t regset;
+ if (in_plt_section (pc, NULL))
+ return 1;
+ return 0;
+}
- nto_init_solib_absolute_prefix ();
+void
+nto_generic_supply_gpregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *gregs, size_t len)
+{
+}
- if (which == NTO_REG_GENERAL)
- {
- memcpy ((char *) ®set, core_reg_sect,
- min (core_reg_size, sizeof (regset)));
- nto_supply_gregset ((char *) ®set);
- }
- else if (which == NTO_REG_FLOAT)
- {
- memcpy ((char *) ®set, core_reg_sect,
- min (core_reg_size, sizeof (regset)));
- nto_supply_fpregset ((char *) ®set);
- }
- else if (which == NTO_REG_ALT)
- {
- memcpy ((char *) ®set, core_reg_sect,
- min (core_reg_size, sizeof (regset)));
- nto_supply_altregset ((char *) ®set);
- }
+void
+nto_generic_supply_fpregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *fpregs, size_t len)
+{
+}
+
+void
+nto_generic_supply_altregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *altregs, size_t len)
+{
}
void
/* Do nothing. */
}
-/* Register that we are able to handle ELF file formats using standard
- procfs "regset" structures. */
-static struct core_fns regset_core_fns = {
- bfd_target_elf_flavour, /* core_flavour */
- default_check_format, /* check_format */
- default_core_sniffer, /* core_sniffer */
- fetch_core_registers, /* core_read_registers */
- NULL /* next */
-};
+enum gdb_osabi
+nto_elf_osabi_sniffer (bfd *abfd)
+{
+ if (nto_is_nto_target)
+ return nto_is_nto_target (abfd);
+ return GDB_OSABI_UNKNOWN;
+}
void
-_initialize_nto_tdep (void)
+nto_initialize_signals (void)
{
- /*
- add_show_from_set (add_set_cmd ("nto-debug", class_maintenance, var_zinteger, (char *) &nto_internal_debugging, "Set QNX NTO internal debugging.\n\
-When non-zero, nto specific debug info is\n\
-displayed. Different information is displayed\n\
-for different positive values.", &setdebuglist),
- &showdebuglist);
- */
- add_setshow_cmd ("nto-debug", class_maintenance, var_zinteger,
- &nto_internal_debugging, "Set QNX NTO internal debugging.\n\
-When non-zero, nto specific debug info is\n\
-displayed. Different information is displayed\n\
-for different positive values.", "Show QNX NTO internal debugging.\n",
- NULL, NULL, &setdebuglist, &showdebuglist);
-
/* We use SIG45 for pulses, or something, so nostop, noprint
and pass them. */
signal_stop_update (target_signal_from_name ("SIG45"), 0);
signal_print_update (SIGPHOTON, 0);
signal_pass_update (SIGPHOTON, 1);
#endif
+}
- /* Register core file support. */
- add_core_fns (®set_core_fns);
+void
+_initialize_nto_tdep (void)
+{
+ add_setshow_zinteger_cmd ("nto-debug", class_maintenance,
+ &nto_internal_debugging, _("\
+Set QNX NTO internal debugging."), _("\
+Show QNX NTO internal debugging."), _("\
+When non-zero, nto specific debug info is\n\
+displayed. Different information is displayed\n\
+for different positive values."),
+ NULL,
+ NULL, /* FIXME: i18n: QNX NTO internal debugging is %s. */
+ &setdebuglist, &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff