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.
(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.
(mipsnbsd_fetch_inferior_registers): Rename from
fetch_inferior_registers. Make static.
(mipsnbsd_store_inferior_registers): Rename from
store_inferior_registers. Make static.
(_initialize_mipsnbsd_nat): New function and prototype.
* Makefile.in (mipsnbsd-nat.o): Update dependencies.
* config/mips/nbsd.mh (NAT_CLIBS, NAT_FILE): Remove variables.
(NATDEPFILES): Remove infptrace.o and inftarg.o. Add
inf-ptrace.o.
* 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/mips/tm-irix6.h: Delete file.
* config/mips/tm-irix5.h: Delete file.
* config/mips/irix5.mt (TM_FILE): Set to tm-mips.h
* config/mips/irix6.mt (TM_FILE): Set to tm-mips.h
Kevin Buettner <kevinb@redhat.com>
* config/mips/tm-mips.h (SP_REGNUM): Delete define.
* mips-tdep.h (MIPS_SP_REGNUM): Define.
* mips-tdep.c (mips_gdbarch_init): Set SP_REGNUM via call
to set_gdbarch_sp_regnum(). Use cooked register number.
(SP_REGNUM): Replace all occurrences with MIPS_SP_REGNUM.
(mips_linux_in_dynsym_stub, mips_linux_in_dynsym_resolve_code)
(mips_linux_skip_resolver): New functions.
(mips_linux_init_abi): Call set_gdbarch_skip_solib_resolver
and set_gdbarch_in_solib_call_trampoline.
* mips-tdep.c (mips_gdbarch_init): Move gdbarch_init_osabi call
to after set_gdbarch_in_solib_return_trampoline. Only set the
solib hooks to mips16 functions if the OS ABI is unknown.
* config/mips/tm-linux.h (IN_SOLIB_CALL_TRAMPOLINE): Undefine after
including "config/tm-linux.h".
(IN_SOLIB_DYNSYM_RESOLVE_CODE): Define.
* Makefile.in (mips-linux-tdep.o): Update.
Obsolete old MIPS SVr3 and SVr4 systems.
* NEWS: Mention obsoleted systems.
* configure.tgt: Mark mips*-*-sysv4* as obsolete.
* configure.host: Mark mips-dec-*, mips-little-*, mips-sony-*,
mips-*-sysv4*, mips-*-sysv*, mips-*-riscos* and mips-*-mach3* as
obsolete.
* config/mips/decstation.mh: Mark as obsolete.
* config/mips/littlemips.mh: Mark as obsolete.
* config/mips/nm-mips.h: Mark as obsolete.
* config/mips/xm-mips.h: Mark as obsolete.
* config/mips/news-mips.mh: Mark as obsolete.
* config/mips/nm-news-mips.h: Mark as obsolete.
* config/mips/riscos.mh: Mark as obsolete.
* config/mips/nm-riscos.h: Mark as obsolete.
* config/mips/xm-riscos.h: Mark as obsolete.
* config/mips/mipsv4.mt: Mark as obsolete.
* config/mips/tm-mipsv4.h: Mark as obsolete.
* config/mips/xm-mipsv4.h: Mark as obsolete.
Michael Snyder
Daniel Jacobowitz
Andrew Cagney
Mark Kettenis
Martin Hunt