/* nto-tdep.c - general QNX Neutrino target functionality.
- Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
+ 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, see <http://www.gnu.org/licenses/>. */
+#include "defs.h"
#include "gdb_stat.h"
#include "gdb_string.h"
#include "nto-tdep.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
int
nto_find_and_open_solib (char *solib, unsigned o_flags, char **temp_pathname)
{
- char *buf, *arch_path, *nto_root, *endian, *base;
+ char *buf, *arch_path, *nto_root, *endian;
+ const char *base;
const char *arch;
int ret;
-#define PATH_FMT "%s/lib:%s/usr/lib:%s/usr/photon/lib:%s/usr/photon/dll:%s/lib/dll"
+#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 (gdbarch_bfd_arch_info (current_gdbarch)->arch_name, "i386") == 0)
+ if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
{
arch = "x86";
endian = "";
}
- else if (strcmp (gdbarch_bfd_arch_info (current_gdbarch)->arch_name,
+ else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
"rs6000") == 0
- || strcmp (gdbarch_bfd_arch_info (current_gdbarch)->arch_name,
+ || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
"powerpc") == 0)
{
arch = "ppc";
}
else
{
- arch = gdbarch_bfd_arch_info (current_gdbarch)->arch_name;
- endian = gdbarch_byte_order (current_gdbarch)
+ arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+ endian = gdbarch_byte_order (target_gdbarch)
== BFD_ENDIAN_BIG ? "be" : "le";
}
sprintf (buf, PATH_FMT, arch_path, arch_path, arch_path, arch_path,
arch_path);
- /* 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);
+ base = lbasename (solib);
+ ret = openp (buf, 1, base, o_flags, temp_pathname);
if (ret < 0 && base != solib)
{
sprintf (arch_path, "/%s", solib);
const char *arch;
nto_root = nto_target ();
- if (strcmp (gdbarch_bfd_arch_info (current_gdbarch)->arch_name, "i386") == 0)
+ if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
{
arch = "x86";
endian = "";
}
- else if (strcmp (gdbarch_bfd_arch_info (current_gdbarch)->arch_name,
+ else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
"rs6000") == 0
- || strcmp (gdbarch_bfd_arch_info (current_gdbarch)->arch_name,
+ || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
"powerpc") == 0)
{
arch = "ppc";
}
else
{
- arch = gdbarch_bfd_arch_info (current_gdbarch)->arch_name;
- endian = gdbarch_byte_order (current_gdbarch)
+ arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+ endian = gdbarch_byte_order (target_gdbarch)
== BFD_ENDIAN_BIG ? "be" : "le";
}
}
char **
-nto_parse_redirection (char *pargv[], char **pin, char **pout, char **perr)
+nto_parse_redirection (char *pargv[], const char **pin, const char **pout,
+ const char **perr)
{
char **argv;
char *in, *out, *err, *p;
solib-svr4.c to support nto_relocate_section_addresses
which is different from the svr4 version. */
+/* Link map info to include in an allocated so_list entry */
+
struct lm_info
-{
- /* Pointer to copy of link map from inferior. The type is char *
- rather than void *, so that we may use byte offsets to find the
- various fields without the need for a cast. */
- char *lm;
-};
+ {
+ /* Pointer to copy of link map from inferior. The type is char *
+ rather than void *, so that we may use byte offsets to find the
+ various fields without the need for a cast. */
+ gdb_byte *lm;
+
+ /* Amount by which addresses in the binary should be relocated to
+ match the inferior. This could most often be taken directly
+ from lm, but when prelinking is involved and the prelink base
+ address changes, we may need a different offset, we want to
+ warn about the difference and compute it only once. */
+ CORE_ADDR l_addr;
+
+ /* The target location of lm. */
+ CORE_ADDR lm_addr;
+ };
+
static CORE_ADDR
LM_ADDR (struct so_list *so)
{
- struct link_map_offsets *lmo = nto_fetch_link_map_offsets ();
+ if (so->lm_info->l_addr == (CORE_ADDR)-1)
+ {
+ struct link_map_offsets *lmo = nto_fetch_link_map_offsets ();
+ struct type *ptr_type = builtin_type (target_gdbarch)->builtin_data_ptr;
- return (CORE_ADDR) extract_signed_integer (so->lm_info->lm +
- lmo->l_addr_offset,
- lmo->l_addr_size);
+ so->lm_info->l_addr =
+ extract_typed_address (so->lm_info->lm + lmo->l_addr_offset, ptr_type);
+ }
+ return so->lm_info->l_addr;
}
static CORE_ADDR
nto_truncate_ptr (CORE_ADDR addr)
{
- if (gdbarch_ptr_bit (current_gdbarch) == sizeof (CORE_ADDR) * 8)
+ if (gdbarch_ptr_bit (target_gdbarch) == sizeof (CORE_ADDR) * 8)
/* We don't need to truncate anything, and the bit twiddling below
will fail due to overflow problems. */
return addr;
else
- return addr & (((CORE_ADDR) 1 << gdbarch_ptr_bit (current_gdbarch)) - 1);
+ return addr & (((CORE_ADDR) 1 << gdbarch_ptr_bit (target_gdbarch)) - 1);
}
-Elf_Internal_Phdr *
+static Elf_Internal_Phdr *
find_load_phdr (bfd *abfd)
{
Elf_Internal_Phdr *phdr;
}
void
-nto_relocate_section_addresses (struct so_list *so, struct section_table *sec)
+nto_relocate_section_addresses (struct so_list *so, struct target_section *sec)
{
/* Neutrino treats the l_addr base address field in link.h as different than
the base address in the System V ABI and so the offset needs to be
return 0;
}
-void
-nto_generic_supply_gpregset (const struct regset *regset,
- struct regcache *regcache, int regnum,
- const void *gregs, size_t len)
-{
-}
-
-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
nto_dummy_supply_regset (struct regcache *regcache, char *regs)
{
return GDB_OSABI_UNKNOWN;
}
+static const char *nto_thread_state_str[] =
+{
+ "DEAD", /* 0 0x00 */
+ "RUNNING", /* 1 0x01 */
+ "READY", /* 2 0x02 */
+ "STOPPED", /* 3 0x03 */
+ "SEND", /* 4 0x04 */
+ "RECEIVE", /* 5 0x05 */
+ "REPLY", /* 6 0x06 */
+ "STACK", /* 7 0x07 */
+ "WAITTHREAD", /* 8 0x08 */
+ "WAITPAGE", /* 9 0x09 */
+ "SIGSUSPEND", /* 10 0x0a */
+ "SIGWAITINFO", /* 11 0x0b */
+ "NANOSLEEP", /* 12 0x0c */
+ "MUTEX", /* 13 0x0d */
+ "CONDVAR", /* 14 0x0e */
+ "JOIN", /* 15 0x0f */
+ "INTR", /* 16 0x10 */
+ "SEM", /* 17 0x11 */
+ "WAITCTX", /* 18 0x12 */
+ "NET_SEND", /* 19 0x13 */
+ "NET_REPLY" /* 20 0x14 */
+};
+
+char *
+nto_extra_thread_info (struct thread_info *ti)
+{
+ if (ti && ti->private
+ && ti->private->state < ARRAY_SIZE (nto_thread_state_str))
+ return (char *)nto_thread_state_str [ti->private->state];
+ return "";
+}
+
void
nto_initialize_signals (void)
{
#endif
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_nto_tdep;
+
void
_initialize_nto_tdep (void)
{
displayed. Different information is displayed\n\
for different positive values."),
NULL,
- NULL, /* FIXME: i18n: QNX NTO internal debugging is %s. */
+ NULL, /* FIXME: i18n: QNX NTO internal
+ debugging is %s. */
&setdebuglist, &showdebuglist);
}