Checkpoint/Restart for Linux.
* linux-nat.c: Add support for debugging multiple forks.
Add #include for linux-fork.h (interface spec).
(super_mourn_inferior): New function pointer.
(child_mourn_inferior): New function / target method.
(linux_target): Claim to_mourn_inferior method pointer.
(child_follow_fork): Call interface to linux-fork, conditionally
add new fork processes to list of debugged processes.
(kill_inferior): Use interface to linux-fork to kill
multiple processes.
* linux-fork.h: New file.
* linux-fork.c: New file. Support for debugging multiple forks
of the same program. Support for checkpoint and restart commands.
* infrun.c (nullify_last_target_wait_ptid): New function.
* Makefile.in: Add linux-fork.
* config/*/linux.mh: Add linux-fork.
* NEWS: Mention new functionality.
(solib_symbols_add): New function.
(lm_info): Remove end_addr field.
(register_loaded_dll): Don't try to find end_addr since gdb will do this
automatically now. Make so_original_name == so_name for now. Eliminate strcpy
by using so_name directly. Read in symbols if new paramater "readsyms" is
true.
(handle_load_dll): Pass auto_solib_add to register_loaded_dll to control when
symbols should be read.
(win32_free_so): Don't free objfile here.
(win32_create_inferior_hook): New function.
(handle_unload_dll): Remove left-over cruft.
(win32_special_symbol_handling): New (dummy) function.
(map_single_dll_code_section): Reinstate.
(dll_code_sections_add): Reinstate.
(core_section_load_dll_symbols): Reinstate. Don't issue an error on duplicate
attempts to read same dll. Make sure that UNIX-like name is used to register
DLL.
(win32_current_sos): Handle core files. Reset private list before passing
start of list pointer to gdb.
(init_win32_ops): Fill out (currently unused) solib_create_inferior_hook. Fill
out special_symbol_handling.
* config/i386/tm-cygwin.h: Remove most special solib stuff.
(alpha-linux-nat.o, sparc-linux-nat.o): New rules.
(amd64-linux-nat.o, arm-linux-nat.o, hppa-linux-nat.o)
(i386-linux-nat.o, ia64-linux-nat.o, linux-nat.o, m32r-linux-nat.o)
(m68klinux-nat.o, mips-linux-nat.o, ppc-linux-nat.o, s390-nat.o)
(sparc64-linux-nat.o): Update dependencies.
* alpha-linux-nat.c, sparc-linux-nat.c: New files.
* amd64-linux-nat.c (amd64_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(amd64_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(amd64_linux_child_post_start_inferior): Renamed from
child_post_startup_inferior and made static. Call
super_post_startup_inferior.
(super_post_startup_inferior): New.
(_initialize_amd64_linux_nat): Set it. Call linux_target and
add_target.
* arm-linux-nat.c (arm_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(arm_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(_initialize_arm_linux_nat): Add a prototype. Use linux_target and
add_target.
* hppa-linux-nat.c (hppa_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(hppa_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(_initialize_hppa_linux_nat): New function.
* i386-linux-nat.c (i386_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(i386_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(i386_linux_resume): Renamed from child_resume and made static.
(i386_linux_child_post_start_inferior): Renamed from
child_post_startup_inferior and made static. Call
super_post_startup_inferior.
(super_post_startup_inferior): New.
(_initialize_i386_linux_nat): New function.
* i386-nat.c: Remove LINUX_CHILD_POST_STARTUP_INFERIOR #ifndef.
* ia64-linux-nat.c (ia64_linux_xfer_unwind_table): Remove.
(super_xfer_partial): New.
(ia64_linux_xfer_partial): New function. Use it.
(_initialize_ia64_linux_nat): New function.
* ia64-tdep.c (getunwind_table): Revert 2005-06-08 change; use
target_read_partial and document the problem.
* inf-ptrace.c (inf_ptrace_fetch_register): Use
CANNOT_FETCH_REGISTER. Fix some comments.
(inf_ptrace_store_register): Use CANNOT_STORE_REGISTER. Fix some
comments.
* linux-nat.c: Include "inf-ptrace.h" and "auxv.h".
(linux_ops, super_xfer_partial): New variables.
(linux_child_post_startup_inferior): Make static.
(child_post_startup_inferior): Delete.
(linux_nat_attach, linux_nat_detach, resume_callback)
(linux_nat_resume, linux_nat_wait, linux_nat_create_inferior)
(linux_nat_mourn_inferior): Use linux_ops instead of
deprecated_child_ops.
(child_wait): Do not depend on CHILD_WAIT.
(linux_nat_xfer_memory): Remove, replace by ...
(linux_nat_xfer_partial): ... this. Use linux_ops->to_xfer_partial
instead of linux_proc_xfer_memory and child_xfer_memory.
(linux_nat_fetch_registers, linux_nat_store_registers)
(linux_nat_child_post_startup_inferior): New functions.
(init_linux_nat_ops): Use the new functions.
(linux_proc_xfer_memory): Remove, replace by ...
(linux_proc_xfer_partial): ... this. Make static.
(linux_xfer_partial, linux_register_u_offset, linux_target): New
functions.
(_initialize_linux_nat): Do not modify deprecated_child_ops.
* linux-nat.h (linux_proc_xfer_memory): Remove prototype.
(struct mem_attrib, struct target_ops): Remove forward declarations.
(linux_child_post_startup_inferior): Remove prototype.
(linux_target): Add prototype.
* linux-thread-db.c (thread_db_xfer_memory): Remove, replace by ...
(thread_db_xfer_partial): ... this.
(init_thread_db_ops): Set to_xfer_partial instead of
deprecated_xfer_memory.
* m32r-linux-nat.c (m32r_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(m32r_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(_initialize_m32r_linux_nat): New function.
* m68klinux-nat.c (m68k_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(m68k_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(old_fetch_inferior_registers, old_store_inferior_registers): Made
static.
(_initialize_m68k_linux_nat): Use linux_target and add_target.
* mips-linux-nat.c (_initialize_mips_linux_nat): New function.
* ppc-linux-nat.c (ppc_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(ppc_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(_initialize_ppc_linux_nat): New function.
* s390-nat.c (s390_linux_fetch_inferior_registers): Renamed
from fetch_inferior_registers and made static.
(s390_linux_store_inferior_registers): Renamed from
store_inferior_registers and made static.
(_initialize_s390_nat): New function.
* sparc64-linux-nat.c (_initialize_sparc64_linux_nat): Use
linux_target and add_target.
* config/nm-linux.h: Don't include "auxv.h".
(struct target_waitstatus, child_wait, CHILD_WAIT)
(CHILD_PID_TO_EXEC_FILE, CHILD_INSERT_FORK_CATCHPOINT)
(CHILD_INSERT_VFORK_CATCHPOINT, CHILD_INSERT_EXEC_CATCHPOINT)
(CHILD_POST_STARTUP_INFERIOR, CHILD_POST_ATTACH, CHILD_FOLLOW_FORK)
(DEPRECATED_KILL_INFERIOR, NATIVE_XFER_AUXV): Delete.
* config/alpha/alpha-linux.mh (NATDEPFILES): Replace infptrace.o
and inftarg.o with inf-ptrace.o and alpha-linux-nat.o.
* config/sparc/linux.mh (NATDEPFILES): Replace infptrace.o and
inftarg.o with sparc-linux-nat.o.
* config/sparc/linux64.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o.
* config/arm/linux.mh (NATDEPFILES): Replace infptrace.o and
inftarg.o with inf-ptrace.o.
* config/i386/linux.mh (NATDEPFILES): Likewise.
* config/i386/linux64.mh (NATDEPFILES): Likewise.
* config/ia64/linux.mh (NATDEPFILES): Likewise.
* config/m32r/linux.mh (NATDEPFILES): Likewise.
* config/m68k/linux.mh (NATDEPFILES): Likewise.
* config/mips/linux.mh (NATDEPFILES): Likewise.
* config/pa/linux.mh (NATDEPFILES): Likewise.
* config/powerpc/linux.mh (NATDEPFILES): Likewise.
* config/powerpc/ppc64-linux.mh (NATDEPFILES): Likewise.
* config/s390/s390.mh (NATDEPFILES): Likewise.
* config/i386/nm-linux.h (DEPRECATED_CHILD_RESUME): Don't define.
(LINUX_CHILD_POST_STARTUP_INFERIOR): Don't define.
* config/i386/nm-linux64.h (LINUX_CHILD_POST_STARTUP_INFERIOR):
Don't define.
* config/ia64/nm-linux.h: Don't include "target.h".
(NATIVE_XFER_UNWIND_TABLE, ia64_linux_xfer_unwind_table): Remove.
* config/djgpp/fnchange.lst: Add alpha-linux-tdep.c,
alpha-linux-nat.c, sparc-linux-tdep.c, and sparc-linux-nat.c.
Reorder includes. Don't require FETCH_INFERIOR_REGISTERS to be
defined.
(armnbsd_fetch_registers): Rename from armnbsd_fetch_registers.
Make static.
(armnbsd_store_registers): Rename from armnbsd_store_registers.
Make static.
(_initialize_arm_netbsd_nat): Construct and add target vector.
* Makefile.in (armnbsd-nat.o): Update dependencies.
* config/arm/nbsdaout.mh (NATDEPFILES): Remove infptrace.o and
intarg.o, add inf-ptrace.o.
(NAT_FILE): Set to solib.h.
* config/arm/nbsdelf.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o, add inf-ptrace.o.
(NAT_FILE): Remove.
* Makefile.in: Re-add v850-tdep.o dependencies.
* configure.tgt: Re-add v850.
* v850-tdep.c: Reorder code slightly. Add register number enumerator.
(struct v850_frame_cache): New structure.
(v850_processor_type_table): Remove. Move functionality into
v850_register_name, v850e_register_name and v850_gdbarch_init.
(v850_register_name): New function.
(v850e_register_name): New function.
(struct prologue_info): Remove definition.
(v850_register_type): New function.
(v850_type_is_scalar): New function.
(v850_use_struct_convention): Align to gcc behaviour.
(v850_handle_prepare): Renamed from handle_prepare. Change third
parameter to struct v850_frame_cache *.
(v850_handle_pushm): Renamed from handle_pushm. Change third parameter
to struct v850_frame_cache *.
(v850_is_save_register): New function to evaluate if a register is
caller-save.
(v850_analyze_prologue): Replace v850_scan_prologue. Change to support
new frame code.
(v850_init_extra_frame_info): Remove.
(v850_frame_chain): Remove.
(v850_find_callers_reg): Remove.
(v850_skip_prologue): Make static.
(v850_pop_frame): Remove.
(v850_frame_align): New function.
(v850_push_dummy_call): Replace v850_push_arguments.
(v850_push_return_address): Remove.
(v850_extract_return_value): New function.
(v850_store_return_value): New function.
(v850_return_value): New function.
(v850_frame_saved_pc): Remove.
(v850_breakpoint_from_pc): New function.
(v850_alloc_frame_cache): New function.
(v850_fix_call_dummy): Remove.
(v850_frame_cache): New function.
(v850_target_architecture_hook): Remove.
(v850_frame_prev_register): New function.
(v850_frame_this_id): New function.
(v850_frame_unwind): New structure.
(v850_frame_sniffer): New function.
(v850_unwind_sp): New function.
(v850_unwind_pc): New function.
(v850_unwind_dummy_id): New function.
(v850_frame_base_address): New function.
(v850_frame_base): New structure.
(v850_gdbarch_init): New function.
* config/v850/v850.mt: Undelete. Drop TM_FILE.
* go32-nat.c: Include top.h. Update copyright years.
(init_go32_ops): Override the default value of gdbinit[] with
"gdb.ini".
* cli/cli-cmds.c (init_cli_cmds): Use gdbinit[] instead of a
compile-time literal string GDBINIT_FILENAME.
* top.c (PATH_MAX): Define if not defined.
(gdbinit): Declare with a constant size PATH_MAX.
* config/i386/go32.mh (XM_FILE): Remove.
* config/i386/xm-go32.h: Remove file.
"inf-ptrace.h".
(hppabsd_fetch_registers): Renamed from fetch_inferior_registers;
made static.
(hppabsd_store_registers): Renamed from store_inferior_registers;
made static.
(_initialize_hppabsd_nat): New function and prototype.
* config/pa/obsd.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o. Add inf-ptrace.o.
(NAT_FILE): Remove.
* Makefile.in (hppabsd-nat.o): Update dependencies.
