/* nto-tdep.c - general QNX Neutrino target functionality.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
Contributed by QNX Software Systems Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ 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"
#include "elf-bfd.h"
#include "solib-svr4.h"
#include "gdbcore.h"
+#include "objfiles.h"
+
+#include <string.h>
#ifdef __CYGWIN__
#include <sys/cygwin.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 (TARGET_ARCHITECTURE->arch_name, "i386") == 0)
+ if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
{
arch = "x86";
endian = "";
}
- else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
- || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
+ else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+ "rs6000") == 0
+ || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+ "powerpc") == 0)
{
arch = "ppc";
endian = "be";
}
else
{
- arch = TARGET_ARCHITECTURE->arch_name;
- endian = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "be" : "le";
+ arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+ endian = gdbarch_byte_order (target_gdbarch)
+ == BFD_ENDIAN_BIG ? "be" : "le";
}
/* In case nto_root is short, add strlen(solib)
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 (TARGET_ARCHITECTURE->arch_name, "i386") == 0)
+ if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name, "i386") == 0)
{
arch = "x86";
endian = "";
}
- else if (strcmp (TARGET_ARCHITECTURE->arch_name, "rs6000") == 0
- || strcmp (TARGET_ARCHITECTURE->arch_name, "powerpc") == 0)
+ else if (strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+ "rs6000") == 0
+ || strcmp (gdbarch_bfd_arch_info (target_gdbarch)->arch_name,
+ "powerpc") == 0)
{
arch = "ppc";
endian = "be";
}
else
{
- arch = TARGET_ARCHITECTURE->arch_name;
- endian = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "be" : "le";
+ arch = gdbarch_bfd_arch_info (target_gdbarch)->arch_name;
+ endian = gdbarch_byte_order (target_gdbarch)
+ == BFD_ENDIAN_BIG ? "be" : "le";
}
sprintf (arch_path, "%s/%s%s", nto_root, arch, endian);
}
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 (TARGET_PTR_BIT == 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 << TARGET_PTR_BIT) - 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
}
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 (char *regs)
+nto_dummy_supply_regset (struct regcache *regcache, char *regs)
{
/* Do nothing. */
}
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);
}