changelog

gdb-6.0 linux 下的调试工具

	* linux-low.h (regset_func): Removed.
	(regset_fill_func, regset_store_func): New.
	(enum regset_type): New.
	(struct regset_info): Add type field.  Use new operation types.
	(struct linux_target_ops): stop_pc renamed to get_pc.
	Add decr_pc_after_break and breakpoint_at.
	(get_process, get_thread_proess, get_process_thread)
	(strut process_info, all_processes, linux_attach_lwp)
	(thread_db_init): New.

	* linux-arm-low.c (arm_get_pc, arm_set_pc,
	arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New.
	(the_low_target): Add new members.
	* linux-i386-low.c (i386_store_gregset, i386_store_fpregset)
	(i386_store_fpxregset): Constify.
	(target_regsets): Add new kind identifier.
	(i386_get_pc): Renamed from i386_stop_pc.  Simplify.
	(i386_set_pc): Add debugging.
	(i386_breakpoint_at): New function.
	(the_low_target): Add new members.
	* linux-mips-low.c (mips_get_pc, mips_set_pc)
	(mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr)
	(mips_breakpoint_at): New.
	(the_low_target): Add new members.
	* linux-ppc-low.c (ppc_get_pc, ppc_set_pc)
	(ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New.
	(the_low_target): Add new members.
	* linux-sh-low.c (sh_get_pc, sh_set_pc)
	(sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New.
	(the_low_target): Add new members.
	* linux-x86-64-low.c (target_regsets): Add new kind
	identifier.

2002-05-15  Daniel Jacobowitz  <[e-mail]>

	From Martin Pool <[e-mail]>:
	* server.c (gdbserver_usage): New function.
	(main): Call it.

2002-05-14  Daniel Jacobowitz  <[e-mail]>

	* mem-break.c (reinsert_breakpoint_by_bp): Correct typo
	stop_at -> stop_pc.

2002-05-04  Andrew Cagney  <[e-mail]>

	* Makefile.in: Remove obsolete code.

2002-04-24  Michal Ludvig  <[e-mail]>

	* linux-low.c (regsets_fetch_inferior_registers),
	(regsets_store_inferior_registers): Removed cast to int from
	ptrace() calls.
	* regcache.h: Added declaration of struct inferior_info.

2002-04-20  Daniel Jacobowitz  <[e-mail]>

	* inferiors.c (struct inferior_info): Add regcache_data.
	(add_inferior): Call create_register_cache.
	(clear_inferiors): Call free_register_cache.
	(inferior_regcache_data, set_inferior_regcache_data): New functions.
	* regcache.c (struct inferior_regcache_data): New.
	(registers): Remove.
	(get_regcache): New function.
	(create_register_cache, free_register_cache): New functions.
	(set_register_cache): Don't initialize the register cache here.
	(registers_to_string, registers_from_string, register_data): Call
	get_regcache.
	* regcache.h: Add prototypes.
	* server.h: Likewise.

2002-04-20  Daniel Jacobowitz  <[e-mail]>

	* mem-break.c: New file.
	* mem-break.h: New file.
	* Makefile.in: Add mem-break.o rule; update server.h
	dependencies.
	* inferiors.c (struct inferior_info): Add target_data
	member.
	(clear_inferiors): Free target_data member if set.
	(inferior_target_data, set_inferior_target_data): New functions.
	* linux-i386-low.c (i386_breakpoint, i386_breakpoint_len)
	(i386_stop_pc, i386_set_pc): New.  Add to the_low_target.
	* linux-low.c (linux_bp_reinsert): New variable.
	(struct inferior_linux_data): New.
	(linux_create_inferior): Use set_inferior_target_data.
	(linux_attach): Likewise.  Call add_inferior.
	(linux_wait_for_one_inferior): New function.
	(linux_wait): Call it.
	(linux_write_memory): Add const.
	(initialize_low): Call set_breakpoint_data.
	* linux-low.h (struct linux_target_ops): Add breakpoint
	handling members.
	* server.c (attach_inferior): Remove extra add_inferior
	call.
	* server.h: Include mem-break.h.  Update inferior.c
	prototypes.
	* target.c (read_inferior_memory)
	(write_inferior_memory): New functions.
	* target.h (read_inferior_memory)
	(write_inferior_memory): Change macros to prototypes.
	(struct target_ops): Update comments.  Add const to write_memory
	definition.

2002-04-11  Daniel Jacobowitz  <[e-mail]>

	* linux-low.c (usr_store_inferior_registers): Support
	registers which are allowed to fail to store.
	* linux-low.h (linux_target_ops): Likewise.
	* linux-ppc-low.c (ppc_regmap): Support FPSCR.
	(ppc_cannot_store_register): FPSCR may not be storable.

2002-04-09  Daniel Jacobowitz  <[e-mail]>

	* server.h: Include <string.h> if HAVE_STRING_H.
	* ChangeLog: Correct paths in last ChangeLog entry.

2002-04-09  Daniel Jacobowitz  <[e-mail]>

	* linux-low.h: Remove obsolete prototypes.
	(struct linux_target_ops): New.
	(extern the_low_target): New.
	* linux-low.c (num_regs, regmap): Remove declarations.
	(register_addr): Use the_low_target explicitly.
	(fetch_register): Likewise.
	(usr_fetch_inferior_registers): Likewise.
	(usr_store_inferior_registers): Likewise.
	* linux-arm-low.c (num_regs): Remove.
	(arm_num_regs): Define.
	(arm_regmap): Renamed from regmap, made static.
	(arm_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(arm_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-i386-low.c (num_regs): Remove.
	(i386_num_regs): Define.
	(i386_regmap): Renamed from regmap, made static.
	(i386_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(i386_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-ia64-low.c (num_regs): Remove.
	(ia64_num_regs): Define.
	(ia64_regmap): Renamed from regmap, made static.
	(ia64_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(ia64_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-m68k-low.c (num_regs): Remove.
	(m68k_num_regs): Define.
	(m68k_regmap): Renamed from regmap, made static.
	(m68k_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(m68k_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-mips-low.c (num_regs): Remove.
	(mips_num_regs): Define.
	(mips_regmap): Renamed from regmap, made static.
	(mips_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(mips_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-ppc-low.c (num_regs): Remove.
	(ppc_num_regs): Define.
	(ppc_regmap): Renamed from regmap, made static.
	(ppc_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(ppc_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-s390-low.c (num_regs): Remove.
	(s390_num_regs): Define.
	(s390_regmap): Renamed from regmap, made static.
	(s390_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(s390_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-sh-low.c (num_regs): Remove.
	(sh_num_regs): Define.
	(sh_regmap): Renamed from regmap, made static.
	(sh_cannot_fetch_register): Renamed from cannot_fetch_register,
	made static.
	(sh_cannot_store_register): Renamed from cannot_store_register,
	made static.
	(the_low_target): New.
	* linux-x86-64-low.c (x86_64_regmap): Renamed from regmap.
	(the_low_target): New.

2002-04-09  Daniel Jacobowitz  <[e-mail]>

	* Makefile.in: Add stamp-h target.
	* configure.in: Create stamp-h.
	* configure: Regenerated.

2002-04-09  Daniel Jacobowitz  <[e-mail]>

	* inferiors.c: New file.
	* target.c: New file.
	* target.h: New file.
	* Makefile.in:  Add target.o and inferiors.o.  Update
	dependencies.
	* linux-low.c (inferior_pid): New static variable,
	moved from server.c.
	(linux_create_inferior): Renamed from create_inferior.
	Call add_inferior.  Return 0 on success instead of a PID.
	(linux_attach): Renamed from myattach.
	(linux_kill): Renamed from kill_inferior.  Call clear_inferiors ().
	(linux_thread_alive): Renamed from mythread_alive.
	(linux_wait): Renamed from mywait.  Call clear_inferiors () if the
	child dies.
	(linux_resume): Renamed from myresume.  Add missing ``return 0''.
	(regsets_store_inferior_registers): Correct error message.
	Add missing ``return 0''.
	(linux_fetch_registers): Renamed from fetch_inferior_registers.
	(linux_store_registers): Renamed from store_inferior_registers.
	(linux_read_memory): Renamed from read_inferior_memory.
	(linux_write_memory): Renamed from write_inferior_memory.
	(linux_target_ops): New structure.
	(initialize_low): Call set_target_ops ().
	* remote-utils.c (unhexify): New function.
	(hexify): New function.
	(input_interrupt): Send signals to ``signal_pid''.
	* server.c (inferior_pid): Remove.
	(start_inferior): Update create_inferior call.
	(attach_inferior): Call add_inferior.
	(handle_query): New function.
	(main): Call handle_query for `q' packets.
	* server.h: Include "target.h".  Remove obsolete prototypes.
	Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.

2002-04-09  Daniel Jacobowitz  <[e-mail]>

	* Makefile.in: Add WARN_CFLAGS.  Update configury
	dependencies.
	* configure.in: Check for <string.h>
	* configure: Regenerate.
	* config.in: Regenerate.
	* gdbreplay.c: Include needed system headers.
	(remote_open): Remove strchr prototype.
	* linux-low.h: Correct #ifdef to HAVE_LINUX_USRREGS.
	* regcache.c (supply_register): Change buf argument to const void *.
	(supply_register_by_name): Likewise.
	(collect_register): Change buf argument to void *.
	(collect_register_by_name): Likewise.
	* regcache.h: Add missing prototypes.
	* remote-utils.c: Include <arpa/inet.h> for inet_ntoa.
	* server.c (handle_query): New function.
	(attached): New static variable, moved out of main.
	(main): Quiet longjmp clobber warnings.
	* server.h: Add ATTR_NORETURN and ATTR_FORMAT.  Update prototypes.
	* utils.c (error): Remove NORETURN.
	(fatal): Likewise.