mirror of
https://sourceware.org/git/binutils-gdb.git
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70221824e3
* amd64-linux-tdep.c (amd64_linux_record_signal): Make static. * breakpoint.c (create_exception_master_breakpoint, trace_command) (ftrace_command, strace_command): Make static. * d-lang.c (_initialize_d_language): Declare. * dwarf2expr.c (_initialize_dwarf2expr): Declare. * dwarf2loc.c (_initialize_dwarf2loc): * dwarf2read.c (process_psymtab_comp_unit): Make static. * exec.c (exec_get_section_table): Make static. * i386-linux-tdep.c (i386_linux_record_signal): Make static. * infcmd.c (ensure_valid_thread, ensure_not_tfind_mode): Make static. * inferior.c (remove_inferior_command, add_inferior_command) (clone_inferior_command): Make static. * linux-nat.c (linux_nat_thread_address_space) (linux_nat_core_of_thread): Make static. * linux-tdep.c (_initialize_linux_tdep): Declare. * objc-lang.c (_initialize_objc_lang): Declare. * opencl-lang.c (builtin_opencl_type, opencl_language_arch_info): Make static. (_initialize_opencl_language): Declare. * record.c (_initialize_record): Declare. * remote.c (demand_private_info, remote_get_tib_address) (remote_supports_cond_tracepoints) (remote_supports_fast_tracepoints, remote_get_tracepoint_status): Make static. * skip.c (_initialize_step_skip): Declare. * symtab.c (skip_prologue_using_lineinfo): Make static. * tracepoint.c (delete_trace_state_variable) (trace_variable_command, delete_trace_variable_command) (get_uploaded_tsv, find_matching_tracepoint_location) (find_matching_tsv, create_tsv_from_upload, get_traceframe_info): Make static. * value.c (pack_unsigned_long): Make static. * varobj.c (varobj_ensure_python_env): Make static. * windows-tdep.c (_initialize_windows_tdep): Declare. * xml-syscall.c (make_cleanup_free_syscalls_info): Make static.
876 lines
25 KiB
C
876 lines
25 KiB
C
/* Target-dependent code for GNU/Linux, architecture independent.
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Copyright (C) 2009-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "gdbtypes.h"
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#include "linux-tdep.h"
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#include "auxv.h"
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#include "target.h"
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#include "gdbthread.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "regset.h"
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#include "elf/common.h"
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#include "elf-bfd.h" /* for elfcore_write_* */
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#include "inferior.h"
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#include "cli/cli-utils.h"
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#include <ctype.h>
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static struct gdbarch_data *linux_gdbarch_data_handle;
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struct linux_gdbarch_data
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{
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struct type *siginfo_type;
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};
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static void *
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init_linux_gdbarch_data (struct gdbarch *gdbarch)
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{
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return GDBARCH_OBSTACK_ZALLOC (gdbarch, struct linux_gdbarch_data);
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}
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static struct linux_gdbarch_data *
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get_linux_gdbarch_data (struct gdbarch *gdbarch)
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{
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return gdbarch_data (gdbarch, linux_gdbarch_data_handle);
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}
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/* This function is suitable for architectures that don't
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extend/override the standard siginfo structure. */
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struct type *
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linux_get_siginfo_type (struct gdbarch *gdbarch)
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{
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struct linux_gdbarch_data *linux_gdbarch_data;
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struct type *int_type, *uint_type, *long_type, *void_ptr_type;
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struct type *uid_type, *pid_type;
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struct type *sigval_type, *clock_type;
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struct type *siginfo_type, *sifields_type;
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struct type *type;
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linux_gdbarch_data = get_linux_gdbarch_data (gdbarch);
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if (linux_gdbarch_data->siginfo_type != NULL)
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return linux_gdbarch_data->siginfo_type;
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int_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
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0, "int");
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uint_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
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1, "unsigned int");
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long_type = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch),
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0, "long");
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void_ptr_type = lookup_pointer_type (builtin_type (gdbarch)->builtin_void);
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/* sival_t */
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sigval_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
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TYPE_NAME (sigval_type) = xstrdup ("sigval_t");
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append_composite_type_field (sigval_type, "sival_int", int_type);
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append_composite_type_field (sigval_type, "sival_ptr", void_ptr_type);
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/* __pid_t */
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pid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
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TYPE_LENGTH (int_type), "__pid_t");
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TYPE_TARGET_TYPE (pid_type) = int_type;
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TYPE_TARGET_STUB (pid_type) = 1;
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/* __uid_t */
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uid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
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TYPE_LENGTH (uint_type), "__uid_t");
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TYPE_TARGET_TYPE (uid_type) = uint_type;
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TYPE_TARGET_STUB (uid_type) = 1;
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/* __clock_t */
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clock_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
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TYPE_LENGTH (long_type), "__clock_t");
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TYPE_TARGET_TYPE (clock_type) = long_type;
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TYPE_TARGET_STUB (clock_type) = 1;
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/* _sifields */
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sifields_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
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{
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const int si_max_size = 128;
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int si_pad_size;
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int size_of_int = gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT;
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/* _pad */
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if (gdbarch_ptr_bit (gdbarch) == 64)
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si_pad_size = (si_max_size / size_of_int) - 4;
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else
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si_pad_size = (si_max_size / size_of_int) - 3;
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append_composite_type_field (sifields_type, "_pad",
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init_vector_type (int_type, si_pad_size));
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}
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/* _kill */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_pid", pid_type);
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append_composite_type_field (type, "si_uid", uid_type);
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append_composite_type_field (sifields_type, "_kill", type);
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/* _timer */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_tid", int_type);
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append_composite_type_field (type, "si_overrun", int_type);
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append_composite_type_field (type, "si_sigval", sigval_type);
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append_composite_type_field (sifields_type, "_timer", type);
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/* _rt */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_pid", pid_type);
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append_composite_type_field (type, "si_uid", uid_type);
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append_composite_type_field (type, "si_sigval", sigval_type);
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append_composite_type_field (sifields_type, "_rt", type);
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/* _sigchld */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_pid", pid_type);
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append_composite_type_field (type, "si_uid", uid_type);
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append_composite_type_field (type, "si_status", int_type);
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append_composite_type_field (type, "si_utime", clock_type);
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append_composite_type_field (type, "si_stime", clock_type);
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append_composite_type_field (sifields_type, "_sigchld", type);
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/* _sigfault */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_addr", void_ptr_type);
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append_composite_type_field (sifields_type, "_sigfault", type);
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/* _sigpoll */
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type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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append_composite_type_field (type, "si_band", long_type);
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append_composite_type_field (type, "si_fd", int_type);
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append_composite_type_field (sifields_type, "_sigpoll", type);
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/* struct siginfo */
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siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
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TYPE_NAME (siginfo_type) = xstrdup ("siginfo");
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append_composite_type_field (siginfo_type, "si_signo", int_type);
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append_composite_type_field (siginfo_type, "si_errno", int_type);
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append_composite_type_field (siginfo_type, "si_code", int_type);
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append_composite_type_field_aligned (siginfo_type,
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"_sifields", sifields_type,
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TYPE_LENGTH (long_type));
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linux_gdbarch_data->siginfo_type = siginfo_type;
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return siginfo_type;
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}
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static int
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linux_has_shared_address_space (struct gdbarch *gdbarch)
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{
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/* Determine whether we are running on uClinux or normal Linux
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kernel. */
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CORE_ADDR dummy;
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int target_is_uclinux;
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target_is_uclinux
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= (target_auxv_search (¤t_target, AT_NULL, &dummy) > 0
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&& target_auxv_search (¤t_target, AT_PAGESZ, &dummy) == 0);
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return target_is_uclinux;
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}
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/* This is how we want PTIDs from core files to be printed. */
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static char *
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linux_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
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{
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static char buf[80];
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if (ptid_get_lwp (ptid) != 0)
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{
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snprintf (buf, sizeof (buf), "LWP %ld", ptid_get_lwp (ptid));
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return buf;
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}
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return normal_pid_to_str (ptid);
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}
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/* Service function for corefiles and info proc. */
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static void
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read_mapping (const char *line,
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ULONGEST *addr, ULONGEST *endaddr,
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const char **permissions, size_t *permissions_len,
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ULONGEST *offset,
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const char **device, size_t *device_len,
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ULONGEST *inode,
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const char **filename)
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{
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const char *p = line;
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*addr = strtoulst (p, &p, 16);
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if (*p == '-')
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p++;
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*endaddr = strtoulst (p, &p, 16);
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while (*p && isspace (*p))
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p++;
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*permissions = p;
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while (*p && !isspace (*p))
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p++;
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*permissions_len = p - *permissions;
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*offset = strtoulst (p, &p, 16);
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while (*p && isspace (*p))
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p++;
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*device = p;
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while (*p && !isspace (*p))
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p++;
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*device_len = p - *device;
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*inode = strtoulst (p, &p, 10);
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while (*p && isspace (*p))
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p++;
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*filename = p;
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}
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/* Implement the "info proc" command. */
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static void
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linux_info_proc (struct gdbarch *gdbarch, char *args,
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enum info_proc_what what)
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{
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/* A long is used for pid instead of an int to avoid a loss of precision
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compiler warning from the output of strtoul. */
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long pid;
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int cmdline_f = (what == IP_MINIMAL || what == IP_CMDLINE || what == IP_ALL);
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int cwd_f = (what == IP_MINIMAL || what == IP_CWD || what == IP_ALL);
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int exe_f = (what == IP_MINIMAL || what == IP_EXE || what == IP_ALL);
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int mappings_f = (what == IP_MAPPINGS || what == IP_ALL);
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int status_f = (what == IP_STATUS || what == IP_ALL);
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int stat_f = (what == IP_STAT || what == IP_ALL);
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char filename[100];
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gdb_byte *data;
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int target_errno;
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if (args && isdigit (args[0]))
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pid = strtoul (args, &args, 10);
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else
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{
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if (!target_has_execution)
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error (_("No current process: you must name one."));
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if (current_inferior ()->fake_pid_p)
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error (_("Can't determine the current process's PID: you must name one."));
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pid = current_inferior ()->pid;
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}
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args = skip_spaces (args);
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if (args && args[0])
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error (_("Too many parameters: %s"), args);
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printf_filtered (_("process %ld\n"), pid);
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if (cmdline_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/cmdline", pid);
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data = target_fileio_read_stralloc (filename);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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printf_filtered ("cmdline = '%s'\n", data);
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do_cleanups (cleanup);
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}
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else
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warning (_("unable to open /proc file '%s'"), filename);
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}
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if (cwd_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/cwd", pid);
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data = target_fileio_readlink (filename, &target_errno);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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printf_filtered ("cwd = '%s'\n", data);
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do_cleanups (cleanup);
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}
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else
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warning (_("unable to read link '%s'"), filename);
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}
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if (exe_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/exe", pid);
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data = target_fileio_readlink (filename, &target_errno);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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printf_filtered ("exe = '%s'\n", data);
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do_cleanups (cleanup);
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}
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else
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warning (_("unable to read link '%s'"), filename);
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}
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if (mappings_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/maps", pid);
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data = target_fileio_read_stralloc (filename);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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char *line;
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printf_filtered (_("Mapped address spaces:\n\n"));
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if (gdbarch_addr_bit (gdbarch) == 32)
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{
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printf_filtered ("\t%10s %10s %10s %10s %s\n",
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"Start Addr",
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" End Addr",
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" Size", " Offset", "objfile");
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}
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else
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{
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printf_filtered (" %18s %18s %10s %10s %s\n",
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"Start Addr",
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" End Addr",
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" Size", " Offset", "objfile");
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}
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for (line = strtok (data, "\n"); line; line = strtok (NULL, "\n"))
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{
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ULONGEST addr, endaddr, offset, inode;
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const char *permissions, *device, *filename;
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size_t permissions_len, device_len;
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read_mapping (line, &addr, &endaddr,
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&permissions, &permissions_len,
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&offset, &device, &device_len,
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&inode, &filename);
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if (gdbarch_addr_bit (gdbarch) == 32)
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{
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printf_filtered ("\t%10s %10s %10s %10s %s\n",
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paddress (gdbarch, addr),
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paddress (gdbarch, endaddr),
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hex_string (endaddr - addr),
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hex_string (offset),
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*filename? filename : "");
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}
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else
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{
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printf_filtered (" %18s %18s %10s %10s %s\n",
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paddress (gdbarch, addr),
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paddress (gdbarch, endaddr),
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hex_string (endaddr - addr),
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hex_string (offset),
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*filename? filename : "");
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}
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}
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do_cleanups (cleanup);
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}
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else
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warning (_("unable to open /proc file '%s'"), filename);
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}
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if (status_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/status", pid);
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data = target_fileio_read_stralloc (filename);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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puts_filtered (data);
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do_cleanups (cleanup);
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}
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else
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warning (_("unable to open /proc file '%s'"), filename);
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}
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if (stat_f)
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{
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xsnprintf (filename, sizeof filename, "/proc/%ld/stat", pid);
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data = target_fileio_read_stralloc (filename);
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if (data)
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{
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struct cleanup *cleanup = make_cleanup (xfree, data);
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const char *p = data;
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ULONGEST val;
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printf_filtered (_("Process: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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while (*p && isspace (*p))
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p++;
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if (*p == '(')
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{
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const char *ep = strchr (p, ')');
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if (ep != NULL)
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{
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printf_filtered ("Exec file: %.*s\n",
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(int) (ep - p - 1), p + 1);
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p = ep + 1;
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}
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}
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while (*p && isspace (*p))
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p++;
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if (*p)
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printf_filtered (_("State: %c\n"), *p++);
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if (*p)
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printf_filtered (_("Parent process: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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if (*p)
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printf_filtered (_("Process group: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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if (*p)
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printf_filtered (_("Session id: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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if (*p)
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printf_filtered (_("TTY: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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if (*p)
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printf_filtered (_("TTY owner process group: %s\n"),
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pulongest (strtoulst (p, &p, 10)));
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if (*p)
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|
printf_filtered (_("Flags: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Minor faults (no memory page): %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Minor faults, children: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Major faults (memory page faults): %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Major faults, children: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("utime: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("stime: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("utime, children: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("stime, children: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("jiffies remaining in current "
|
|
"time slice: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("'nice' value: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("jiffies until next timeout: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("jiffies until next SIGALRM: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("start time (jiffies since "
|
|
"system boot): %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Virtual memory size: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Resident set size: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("rlim: %s\n"),
|
|
pulongest (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Start of text: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("End of text: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Start of stack: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
#if 0 /* Don't know how architecture-dependent the rest is...
|
|
Anyway the signal bitmap info is available from "status". */
|
|
if (*p)
|
|
printf_filtered (_("Kernel stack pointer: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Kernel instr pointer: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Pending signals bitmap: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Blocked signals bitmap: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Ignored signals bitmap: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("Catched signals bitmap: %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
if (*p)
|
|
printf_filtered (_("wchan (system call): %s\n"),
|
|
hex_string (strtoulst (p, &p, 10)));
|
|
#endif
|
|
do_cleanups (cleanup);
|
|
}
|
|
else
|
|
warning (_("unable to open /proc file '%s'"), filename);
|
|
}
|
|
}
|
|
|
|
/* List memory regions in the inferior for a corefile. */
|
|
|
|
static int
|
|
linux_find_memory_regions (struct gdbarch *gdbarch,
|
|
find_memory_region_ftype func, void *obfd)
|
|
{
|
|
char filename[100];
|
|
gdb_byte *data;
|
|
|
|
/* We need to know the real target PID to access /proc. */
|
|
if (current_inferior ()->fake_pid_p)
|
|
return 1;
|
|
|
|
xsnprintf (filename, sizeof filename,
|
|
"/proc/%d/maps", current_inferior ()->pid);
|
|
data = target_fileio_read_stralloc (filename);
|
|
if (data)
|
|
{
|
|
struct cleanup *cleanup = make_cleanup (xfree, data);
|
|
char *line;
|
|
|
|
for (line = strtok (data, "\n"); line; line = strtok (NULL, "\n"))
|
|
{
|
|
ULONGEST addr, endaddr, offset, inode;
|
|
const char *permissions, *device, *filename;
|
|
size_t permissions_len, device_len;
|
|
int read, write, exec;
|
|
|
|
read_mapping (line, &addr, &endaddr, &permissions, &permissions_len,
|
|
&offset, &device, &device_len, &inode, &filename);
|
|
|
|
/* Decode permissions. */
|
|
read = (memchr (permissions, 'r', permissions_len) != 0);
|
|
write = (memchr (permissions, 'w', permissions_len) != 0);
|
|
exec = (memchr (permissions, 'x', permissions_len) != 0);
|
|
|
|
/* Invoke the callback function to create the corefile segment. */
|
|
func (addr, endaddr - addr, read, write, exec, obfd);
|
|
}
|
|
|
|
do_cleanups (cleanup);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Determine which signal stopped execution. */
|
|
|
|
static int
|
|
find_signalled_thread (struct thread_info *info, void *data)
|
|
{
|
|
if (info->suspend.stop_signal != TARGET_SIGNAL_0
|
|
&& ptid_get_pid (info->ptid) == ptid_get_pid (inferior_ptid))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static enum target_signal
|
|
find_stop_signal (void)
|
|
{
|
|
struct thread_info *info =
|
|
iterate_over_threads (find_signalled_thread, NULL);
|
|
|
|
if (info)
|
|
return info->suspend.stop_signal;
|
|
else
|
|
return TARGET_SIGNAL_0;
|
|
}
|
|
|
|
/* Generate corefile notes for SPU contexts. */
|
|
|
|
static char *
|
|
linux_spu_make_corefile_notes (bfd *obfd, char *note_data, int *note_size)
|
|
{
|
|
static const char *spu_files[] =
|
|
{
|
|
"object-id",
|
|
"mem",
|
|
"regs",
|
|
"fpcr",
|
|
"lslr",
|
|
"decr",
|
|
"decr_status",
|
|
"signal1",
|
|
"signal1_type",
|
|
"signal2",
|
|
"signal2_type",
|
|
"event_mask",
|
|
"event_status",
|
|
"mbox_info",
|
|
"ibox_info",
|
|
"wbox_info",
|
|
"dma_info",
|
|
"proxydma_info",
|
|
};
|
|
|
|
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
|
gdb_byte *spu_ids;
|
|
LONGEST i, j, size;
|
|
|
|
/* Determine list of SPU ids. */
|
|
size = target_read_alloc (¤t_target, TARGET_OBJECT_SPU,
|
|
NULL, &spu_ids);
|
|
|
|
/* Generate corefile notes for each SPU file. */
|
|
for (i = 0; i < size; i += 4)
|
|
{
|
|
int fd = extract_unsigned_integer (spu_ids + i, 4, byte_order);
|
|
|
|
for (j = 0; j < sizeof (spu_files) / sizeof (spu_files[0]); j++)
|
|
{
|
|
char annex[32], note_name[32];
|
|
gdb_byte *spu_data;
|
|
LONGEST spu_len;
|
|
|
|
xsnprintf (annex, sizeof annex, "%d/%s", fd, spu_files[j]);
|
|
spu_len = target_read_alloc (¤t_target, TARGET_OBJECT_SPU,
|
|
annex, &spu_data);
|
|
if (spu_len > 0)
|
|
{
|
|
xsnprintf (note_name, sizeof note_name, "SPU/%s", annex);
|
|
note_data = elfcore_write_note (obfd, note_data, note_size,
|
|
note_name, NT_SPU,
|
|
spu_data, spu_len);
|
|
xfree (spu_data);
|
|
|
|
if (!note_data)
|
|
{
|
|
xfree (spu_ids);
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (size > 0)
|
|
xfree (spu_ids);
|
|
|
|
return note_data;
|
|
}
|
|
|
|
/* Records the thread's register state for the corefile note
|
|
section. */
|
|
|
|
static char *
|
|
linux_collect_thread_registers (const struct regcache *regcache,
|
|
ptid_t ptid, bfd *obfd,
|
|
char *note_data, int *note_size,
|
|
enum target_signal stop_signal)
|
|
{
|
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
|
struct core_regset_section *sect_list;
|
|
unsigned long lwp;
|
|
|
|
sect_list = gdbarch_core_regset_sections (gdbarch);
|
|
gdb_assert (sect_list);
|
|
|
|
/* For remote targets the LWP may not be available, so use the TID. */
|
|
lwp = ptid_get_lwp (ptid);
|
|
if (!lwp)
|
|
lwp = ptid_get_tid (ptid);
|
|
|
|
while (sect_list->sect_name != NULL)
|
|
{
|
|
const struct regset *regset;
|
|
char *buf;
|
|
|
|
regset = gdbarch_regset_from_core_section (gdbarch,
|
|
sect_list->sect_name,
|
|
sect_list->size);
|
|
gdb_assert (regset && regset->collect_regset);
|
|
|
|
buf = xmalloc (sect_list->size);
|
|
regset->collect_regset (regset, regcache, -1, buf, sect_list->size);
|
|
|
|
/* PRSTATUS still needs to be treated specially. */
|
|
if (strcmp (sect_list->sect_name, ".reg") == 0)
|
|
note_data = (char *) elfcore_write_prstatus
|
|
(obfd, note_data, note_size, lwp,
|
|
target_signal_to_host (stop_signal), buf);
|
|
else
|
|
note_data = (char *) elfcore_write_register_note
|
|
(obfd, note_data, note_size,
|
|
sect_list->sect_name, buf, sect_list->size);
|
|
xfree (buf);
|
|
sect_list++;
|
|
|
|
if (!note_data)
|
|
return NULL;
|
|
}
|
|
|
|
return note_data;
|
|
}
|
|
|
|
struct linux_corefile_thread_data
|
|
{
|
|
struct gdbarch *gdbarch;
|
|
int pid;
|
|
bfd *obfd;
|
|
char *note_data;
|
|
int *note_size;
|
|
int num_notes;
|
|
enum target_signal stop_signal;
|
|
linux_collect_thread_registers_ftype collect;
|
|
};
|
|
|
|
/* Called by gdbthread.c once per thread. Records the thread's
|
|
register state for the corefile note section. */
|
|
|
|
static int
|
|
linux_corefile_thread_callback (struct thread_info *info, void *data)
|
|
{
|
|
struct linux_corefile_thread_data *args = data;
|
|
|
|
if (ptid_get_pid (info->ptid) == args->pid)
|
|
{
|
|
struct cleanup *old_chain;
|
|
struct regcache *regcache;
|
|
regcache = get_thread_arch_regcache (info->ptid, args->gdbarch);
|
|
|
|
old_chain = save_inferior_ptid ();
|
|
inferior_ptid = info->ptid;
|
|
target_fetch_registers (regcache, -1);
|
|
do_cleanups (old_chain);
|
|
|
|
args->note_data = args->collect (regcache, info->ptid, args->obfd,
|
|
args->note_data, args->note_size,
|
|
args->stop_signal);
|
|
args->num_notes++;
|
|
}
|
|
|
|
return !args->note_data;
|
|
}
|
|
|
|
/* Fills the "to_make_corefile_note" target vector. Builds the note
|
|
section for a corefile, and returns it in a malloc buffer. */
|
|
|
|
char *
|
|
linux_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size,
|
|
linux_collect_thread_registers_ftype collect)
|
|
{
|
|
struct linux_corefile_thread_data thread_args;
|
|
char *note_data = NULL;
|
|
gdb_byte *auxv;
|
|
int auxv_len;
|
|
|
|
/* Process information. */
|
|
if (get_exec_file (0))
|
|
{
|
|
const char *fname = lbasename (get_exec_file (0));
|
|
char *psargs = xstrdup (fname);
|
|
|
|
if (get_inferior_args ())
|
|
psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
|
|
(char *) NULL);
|
|
|
|
note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
|
|
fname, psargs);
|
|
xfree (psargs);
|
|
|
|
if (!note_data)
|
|
return NULL;
|
|
}
|
|
|
|
/* Thread register information. */
|
|
thread_args.gdbarch = gdbarch;
|
|
thread_args.pid = ptid_get_pid (inferior_ptid);
|
|
thread_args.obfd = obfd;
|
|
thread_args.note_data = note_data;
|
|
thread_args.note_size = note_size;
|
|
thread_args.num_notes = 0;
|
|
thread_args.stop_signal = find_stop_signal ();
|
|
thread_args.collect = collect;
|
|
iterate_over_threads (linux_corefile_thread_callback, &thread_args);
|
|
note_data = thread_args.note_data;
|
|
if (!note_data)
|
|
return NULL;
|
|
|
|
/* Auxillary vector. */
|
|
auxv_len = target_read_alloc (¤t_target, TARGET_OBJECT_AUXV,
|
|
NULL, &auxv);
|
|
if (auxv_len > 0)
|
|
{
|
|
note_data = elfcore_write_note (obfd, note_data, note_size,
|
|
"CORE", NT_AUXV, auxv, auxv_len);
|
|
xfree (auxv);
|
|
|
|
if (!note_data)
|
|
return NULL;
|
|
}
|
|
|
|
/* SPU information. */
|
|
note_data = linux_spu_make_corefile_notes (obfd, note_data, note_size);
|
|
if (!note_data)
|
|
return NULL;
|
|
|
|
make_cleanup (xfree, note_data);
|
|
return note_data;
|
|
}
|
|
|
|
static char *
|
|
linux_make_corefile_notes_1 (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
|
|
{
|
|
/* FIXME: uweigand/2011-10-06: Once all GNU/Linux architectures have been
|
|
converted to gdbarch_core_regset_sections, we no longer need to fall back
|
|
to the target method at this point. */
|
|
|
|
if (!gdbarch_core_regset_sections (gdbarch))
|
|
return target_make_corefile_notes (obfd, note_size);
|
|
else
|
|
return linux_make_corefile_notes (gdbarch, obfd, note_size,
|
|
linux_collect_thread_registers);
|
|
}
|
|
|
|
/* To be called from the various GDB_OSABI_LINUX handlers for the
|
|
various GNU/Linux architectures and machine types. */
|
|
|
|
void
|
|
linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
|
{
|
|
set_gdbarch_core_pid_to_str (gdbarch, linux_core_pid_to_str);
|
|
set_gdbarch_info_proc (gdbarch, linux_info_proc);
|
|
set_gdbarch_find_memory_regions (gdbarch, linux_find_memory_regions);
|
|
set_gdbarch_make_corefile_notes (gdbarch, linux_make_corefile_notes_1);
|
|
set_gdbarch_has_shared_address_space (gdbarch,
|
|
linux_has_shared_address_space);
|
|
}
|
|
|
|
/* Provide a prototype to silence -Wmissing-prototypes. */
|
|
extern initialize_file_ftype _initialize_linux_tdep;
|
|
|
|
void
|
|
_initialize_linux_tdep (void)
|
|
{
|
|
linux_gdbarch_data_handle =
|
|
gdbarch_data_register_post_init (init_linux_gdbarch_data);
|
|
}
|