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.
* 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.
Don't define CRLF_SOURCE_FILES and DIRNAME_SEPARATOR.
* source.c (OPEN_MODE, FDOPEN_MODE): Remove the definitions in the
branch that doesn't define CRLF_SOURCE_FILES; always use
binary-mode open.
(print_source_lines_base, forward_search_command)
(reverse_search_command): Enable the code that accepts DOS-style
CRLF line endings on all platforms (this removes the need for
CRLF_SOURCE_FILES).
* defs.h: (DIRNAME_SEPARATOR) [__MSDOS__]: Define to ';'.
(fill_fpregset): Do not compile for 64-bit systems.
* i386-sol2-nat.c: Don't include "i386v4-nat.c".
* Makefile.in (i386-sol2-nat.o): Update dependencies.
* config/i386/i386sol2.mh (NATDEPFILES): Add back i386v4-nat.c.
* target.h (to_stopped_data_address): Change prototype to
take a CORE_ADDR pointer and return an int.
* target.c (update_current_target): Change to_stopped_data_address
to match new prototype.
(debug_to_stopped_data_address): Change appropriately.
* breakpoint.c (bpstat_stop_status): Change call to
target_stopped_data_address to use new prototype.
* frv-tdep.c (frv_have_stopped_data_address): New function.
(frv_stopped_data_address): Change to new prototype and
functionality.
* ia64-linux-nat.c (ia64_stopped_data_address): Change to new
prototype and functionality.
(ia64_stopped_by_watchpoint): New function.
* i386-nat.c (i386_stopped_data_address): Change to new
prototype and functionality.
(i386_stopped_by_watchpoint): New function.
* remote.c (remote_stopped_data_address): Change to new prototype
and functionality.
* remote-m32r-sdi.c (m32r_stopped_data_address): Ditto.
* config/frv/tm-frv.h (frv_stopped_data_address): Change prototype.
(STOPPED_BY_WATCHPOINT): Change to use frv_have_stopped_data_address.
* config/i386/nm-i386.h (STOPPED_BY_WATCHPOINT): Change to use
new i386_stopped_by_watchpoint function.
(i386_stopped_by_watchpoint): New prototype.
(i386_stoppped_data_address): Change to new prototype.
* config/ia64/nm-linux.h (STOPPED_BY_WATCHPOINT): Change to use
new ia64_stopped_by_watchpoint function.
(ia64_stopped_by_watchpoint): New prototype.
(ia64_stopped_data_address): Ditto.
(amd64bsd_target): New prototype.
* amd64bsd-nat.c: Include "target.h" and "inf-ptrace.h".
(amd64bsd_target): New function.
(amd64bsd_fetch_inferior_registers): Rename from
fetch_inferior_registers. Make static.
(amd64bsd_store_inferior_registers): Rename from
store_inferior_registers. Make static.
* amd64fbsd-nat.c: Include "target.h" and "fbsd-nat.h".
(_initialize_amd64fbsd_nat): Construct and add target vector.
* amd64nbsd-nat.o: Include "target.h".
(_initialize_amd64nbsd_nat): Construct and add target vector.
* amd64obsd-nat.c: Include "target.h".
(_initialize_amd64obsd_nat): Construct and add target vector.
* config/i386/nm-fbsd64.h (CHILD_PID_TO_EXEC_FILE): Remove define.
* config/i386/fbsd64.mh (NATDEPFILES): Remove infptrace.o,
inftarg.o and fbsd-proc.o. Add inf-child.o, inf-ptrace.o and
fbsd-nat.o.
* config/i386/nbsd64.mh, config/i386/obsd64.mh (NATDEPFILES):
Remove infptrace.o and inftarg.o. Add inf-child.o and
inf-ptrace.o.
* Makefile.in (amd64bsd-nat.o, amd64fbsd-nat.o, amd64nbsd-nat.o)
(amd64obsd-nat.o): Update dependencies.
* config/vax/nm-obsd.h: Delete file.
* config/vax/obsd.mh (NAT_FILE): Set to config/nm-bsd.h.
* config/vax/nm-nbsd.h: Delete file.
* config/vax/nm-nbsdaout.h: Include config/nm-nbsd.h.
* config/vax/nbsdelf.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/sh/nm-nbsd.h: Delete file.
* config/sh/nbsd.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/rs6000/nm-rs6000ly.h: Delete file.
* config/djgpp/fnchange.lst: Do not rename nm-rs6000ly.h.
* config/rs6000/rs6000lynx.mh (NAT_FILE): Set to config/nm-lynx.h.
* config/powerpc/nm-obsd.h: Delete file.
* config/powerpc/obsd.mh (NAT_FILE): Set to config/nm-bsd.h.
* config/powerpc/nm-nbsd.h: Delete file.
* config/powerpc/nbsd.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/pa/nm-obsd.h: Delete file.
* config/pa/obsd.mh (NAT_FILE): Set to config/nm-bsd.h.
* config/mips/nm-nbsd.h: Delete file.
* config/mips/nbsd.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/m88k/nm-obsd.h: Delete file.
* config/m88k/obsd.mh (NAT_FILE): Set to config/nm-bsd.h.
* config/m68k/nm-nbsd.h: Delete file.
* config/m68k/nm-nbsdaout.h: Include config/nm-nbsd.h.
* config/m68k/nbsdelf.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/i386/nm-nbsd.h: Delete file.
* config/i386/nm-nbsdaout.h: Include config/nm-nbsd.h.
* config/i386/obsd64.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/i386/nbsd64.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/i386/nbsdelf.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/i386/nm-i386lynx.h: Delete file.
* config/i386/i386lynx.mh (NAT_FILE): Set to config/nm-lynx.h.
* config/arm/nm-nbsd.h: Delete file.
* config/arm/nm-nbsdaout.h: Include config/nm-nbsd.h.
* config/arm/nbsdelf.mh (NAT_FILE): Set to config/nm-nbsd.h.
* config/rs6000/tm-rs6000-aix4.h: Delete file.
* config/djgpp/fnchange.lst: Do not rename tm-rs6000-aix4.h.
* config/rs6000/aix4.mt (TM_FILE): Set to
config/rs6000/tm-rs6000.h.
* config/powerpc/tm-ppc-aix.h: Delete file.
* config/powerpc/aix.mt (TM_FILE): Set to
config/rs6000/tm-rs6000.h.
* config/m68k/tm-linux.h: Delete file.
* config/m68k/linux.mt (TM_FILE): Set to solib.h
* config/i386/tm-linux64.h: Delete file.
* config/i386/linux64.mt (TM_FILE): Set to solib.h.
* config/djgpp/fnchange.lst: Do not rename tm-linux.h.
* config/vax/nbsd.mt (TM_FILE): Set to solib.h.
* config/vax/tm-nbsd.h: Delete file.
* config/sparc/vxworks.mt (TM_FILE): Set to config/tm-vxworks.h.
* config/sparc/tm-vxworks.h: Delete file.
* config/sparc/nbsd.mt (TM_FILE): Set to solib.h.
* config/sparc/tm-nbsd.h: Delete file.
* config/sparc/linux64.mt (TM_FILE): Set to solib.h.
* config/sparc/linux.mt (TM_FILE): Set to solib.h.
* config/sparc/tm-linux.h: Delete file.
* config/s390/s390.mt (TM_FILE): Set to config/tm-linux.h
* config/s390/tm-linux.h: Delete file.
* config/pa/obsd.mt (TM_FILE): Set to solib.h.
* config/pa/tm-bsd.h: Delete file.
* config/m68k/obsd.mt (TM_FILE): Set to solib.h.
* config/m68k/tm-obsd.h: Delete file.
* config/m68k/nbsd.mt (TM_FILE): Set to solib.h.
* config/m68k/tm-nbsd.h: Delete file.
* config/i386/vxworks.mt (TM_FILE): Set to config/tm-vxworks.h.
* config/i386/tm-vxworks.h: Delete file.
* config/i386/obsd64.mt (TM_FILE): Set to solib.h.
* config/i386/obsd.mt (TM_FILE): Set to solib.h.
* config/i386/nbsd64.mt (TM_FILE): Set to solib.h.
* config/i386/nbsd.mt (TM_FILE): Set to solib.h.
* config/i386/tm-nbsd.h: Delete file.
* config/i386/i386lynx.mt (TM_FILE): Set to config/tm-lynx.h.
* config/i386/tm-i386lynx.h: Delete file.
* config/cris/cris.mt (TM_FILE): Set to solib.h.
* config/cris/tm-cris.h: Delete file.
