/* nto-tdep.c - general QNX Neutrino target functionality.
- Copyright 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003-2014 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#include "gdb_stat.h"
-#include "gdb_string.h"
+#include "defs.h"
+#include <sys/stat.h>
+#include <string.h>
#include "nto-tdep.h"
#include "top.h"
-#include "cli/cli-decode.h"
-#include "cli/cli-cmds.h"
#include "inferior.h"
#include "gdbarch.h"
#include "bfd.h"
#include "elf-bfd.h"
#include "solib-svr4.h"
#include "gdbcore.h"
+#include "objfiles.h"
#ifdef __CYGWIN__
#include <sys/cygwin.h>
#ifdef __CYGWIN__
static char buf[PATH_MAX];
if (p)
- cygwin_conv_to_posix_path (p, buf);
+ cygwin_conv_path (CCP_WIN_A_TO_POSIX, p, buf, PATH_MAX);
else
- cygwin_conv_to_posix_path (default_nto_target, buf);
+ cygwin_conv_path (CCP_WIN_A_TO_POSIX, default_nto_target, buf, PATH_MAX);
return buf;
#else
return p ? p : default_nto_target;
#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"
+ int arch_len, len, 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)
+ 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)
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,
- 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);
+ arch_len = (strlen (nto_root) + strlen (arch) + strlen (endian) + 2
+ + strlen (solib));
+ arch_path = alloca (arch_len);
+ xsnprintf (arch_path, arch_len, "%s/%s%s", nto_root, arch, endian);
+
+ len = strlen (PATH_FMT) + strlen (arch_path) * 5 + 1;
+ buf = alloca (len);
+ xsnprintf (buf, len, PATH_FMT, arch_path, arch_path, arch_path, arch_path,
+ arch_path);
+
+ base = lbasename (solib);
+ ret = openp (buf, OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH, base, o_flags,
+ temp_pathname);
if (ret < 0 && base != solib)
{
- sprintf (arch_path, "/%s", solib);
+ xsnprintf (arch_path, arch_len, "/%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';
+ *temp_pathname = NULL;
}
}
return ret;
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);
+ xsnprintf (arch_path, sizeof (arch_path), "%s/%s%s", nto_root, arch, endian);
- sprintf (buf, "set solib-absolute-prefix %s", arch_path);
+ xsnprintf (buf, sizeof (buf), "set solib-absolute-prefix %s", arch_path);
execute_command (buf, 0);
}
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;
return argv;
}
-/* The struct lm_info, LM_ADDR, and nto_truncate_ptr are copied from
+/* The struct lm_info, lm_addr, and nto_truncate_ptr are copied from
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)
+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
calculated and applied to relocations. */
- Elf_Internal_Phdr *phdr = find_load_phdr (sec->bfd);
+ Elf_Internal_Phdr *phdr = find_load_phdr (sec->the_bfd_section->owner);
unsigned vaddr = phdr ? phdr->p_vaddr : 0;
- sec->addr = nto_truncate_ptr (sec->addr + LM_ADDR (so) - vaddr);
- sec->endaddr = nto_truncate_ptr (sec->endaddr + LM_ADDR (so) - vaddr);
+ sec->addr = nto_truncate_ptr (sec->addr + lm_addr (so) - vaddr);
+ sec->endaddr = nto_truncate_ptr (sec->endaddr + lm_addr (so) - vaddr);
}
/* This is cheating a bit because our linker code is in libc.so. If we
int
nto_in_dynsym_resolve_code (CORE_ADDR pc)
{
- if (in_plt_section (pc, NULL))
+ if (in_plt_section (pc))
return 1;
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 (char *regs)
+nto_dummy_supply_regset (struct regcache *regcache, char *regs)
{
/* Do nothing. */
}
nto_elf_osabi_sniffer (bfd *abfd)
{
if (nto_is_nto_target)
- return nto_is_nto_target (abfd);
+ return nto_is_nto_target (abfd);
return GDB_OSABI_UNKNOWN;
}
-static void
-fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
- int which, CORE_ADDR reg_addr)
+static const char *nto_thread_state_str[] =
{
- nto_regset_t regset;
+ "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 */
+};
-/* See corelow.c:get_core_registers for values of WHICH. */
- if (which == 0)
- {
- memcpy ((char *) ®set, core_reg_sect,
- min (core_reg_size, sizeof (regset)));
- nto_supply_gregset ((char *) ®set);
- }
- else if (which == 2)
- {
- memcpy ((char *) ®set, core_reg_sect,
- min (core_reg_size, sizeof (regset)));
- nto_supply_fpregset ((char *) ®set);
- }
+char *
+nto_extra_thread_info (struct target_ops *self, 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 "";
}
-/* 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 */
-};
-
void
nto_initialize_signals (void)
{
/* 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 (target_signal_from_name ("SIG45"), 0);
- signal_pass_update (target_signal_from_name ("SIG45"), 1);
+ signal_stop_update (gdb_signal_from_name ("SIG45"), 0);
+ signal_print_update (gdb_signal_from_name ("SIG45"), 0);
+ signal_pass_update (gdb_signal_from_name ("SIG45"), 1);
/* By default we don't want to stop on these two, but we do want to pass. */
#if defined(SIGSELECT)
signal_pass_update (SIGPHOTON, 1);
#endif
}
-
-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.", "\
-QNX NTO internal debugging is %s.", NULL, NULL, &setdebuglist, &showdebuglist);
- /* Register core file support. */
- deprecated_add_core_fns (®set_core_fns);
-}
projects / deliverable / binutils-gdb.git / blobdiff