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src/gdb ChangeLog gdbserver/ChangeLog gdbserve ...


CVSROOT:	/cvs/src
Module name:	src
Changes by:	palves@sourceware.org	2013-06-07 10:46:59

Modified files:
	gdb            : ChangeLog 
	gdb/gdbserver  : ChangeLog Makefile.in ax.c i387-fp.c i387-fp.h 
	                 inferiors.c linux-aarch64-low.c 
	                 linux-amd64-ipa.c linux-arm-low.c 
	                 linux-bfin-low.c linux-cris-low.c 
	                 linux-crisv32-low.c linux-i386-ipa.c 
	                 linux-ia64-low.c linux-low.c linux-low.h 
	                 linux-m32r-low.c linux-m68k-low.c 
	                 linux-mips-low.c linux-nios2-low.c 
	                 linux-ppc-low.c linux-s390-low.c linux-sh-low.c 
	                 linux-sparc-low.c linux-tic6x-low.c 
	                 linux-tile-low.c linux-x86-low.c 
	                 linux-xtensa-low.c lynx-i386-low.c lynx-low.c 
	                 lynx-low.h lynx-ppc-low.c nto-low.c nto-low.h 
	                 nto-x86-low.c proc-service.c regcache.c 
	                 regcache.h remote-utils.c server.c server.h 
	                 spu-low.c tracepoint.c win32-arm-low.c 
	                 win32-i386-low.c win32-low.c win32-low.h 
	gdb/regformats : regdat.sh 
Added files:
	gdb/gdbserver  : tdesc.c tdesc.h 

Log message:
	[GDBserver] Multi-process + multi-arch
	
	This patch makes GDBserver support multi-process + biarch.
	
	Currently, if you're debugging more than one process at once with a
	single gdbserver (in extended-remote mode), then all processes must
	have the same architecture (e.g., 64-bit vs 32-bit).  Otherwise, you
	see this:
	
	Added inferior 2
	[Switching to inferior 2 [<null>] (<noexec>)]
	Reading symbols from /home/pedro/gdb/tests/main32...done.
	Temporary breakpoint 2 at 0x4004cf: main. (2 locations)
	Starting program: /home/pedro/gdb/tests/main32
	warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64
	warning: Architecture rejected target-supplied description
	Remote 'g' packet reply is too long: 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000090cfffff0000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000b042f7460000000000020000230000002b0000002b0000002b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007f03000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000801f00003b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
	... etc, etc ...
	
	Even though the process was running a 32-bit program, GDBserver sent
	back to GDB a register set in 64-bit layout.
	
	A patch (http://sourceware.org/ml/gdb-patches/2012-11/msg00228.html) a
	while ago made GDB track a target_gdbarch per inferior, and as
	consequence, fetch a target description per-inferior.  This patch is
	the GDBserver counterpart, that makes GDBserver keep track of each
	process'es XML target description and register layout.  So in the
	example above, GDBserver will send the correct register set in 32-bit
	layout to GDB.
	
	A new "struct target_desc" object (tdesc for short) is added, that
	holds the target description and register layout information about
	each process.  Each `struct process_info' holds a pointer to a target
	description.  The regcache also gains a pointer to a target
	description, mainly for convenience, and parallel with GDB (and
	possible future support for programs that flip processor modes).
	
	The low target's arch_setup routines are responsible for setting the
	process'es correct tdesc.  This isn't that much different to how
	things were done before, except that instead of detecting the inferior
	process'es architecture and calling the corresponding
	init_registers_FOO routine, which would change the regcache layout
	globals and recreate the threads' regcaches, the regcache.c globals
	are gone, and the init_registers_$BAR routines now each initialize a
	separate global struct target_desc object (one for each arch variant
	GDBserver supports), and so all the init_registers_$BAR routines that
	are built into GDBserver are called early at GDBserver startup time
	(similarly to how GDB handles its built-in target descriptions), and
	then the arch_setup routine is responsible for making
	process_info->tdesc point to one of these target description globals.
	The regcache module is all parameterized to get the regcache's layout
	from the tdesc object instead of the old register_bytes, etc. globals.
	
	The threads' regcaches are now created lazily.  The old scheme where
	we created each of them when we added a new thread doesn't work
	anymore, because we add the main thread/lwp before we see it stop for
	the first time, and it is only when we see the thread stop for the
	first time that we have a chance of determining the inferior's
	architecture (through the_low_target.arch_setup).  Therefore when we
	add the main thread we don't know which architecture/tdesc its
	regcache should have.
	
	This patch makes the gdb.multi/multi-arch.exp test now pass against
	(extended-remote) GDBserver.  It currently fails, without this patch.
	
	The IPA also uses the regcache, so it gains a new global struct
	target_desc pointer, which points at the description of the process it
	is loaded in.
	
	Re. the linux-low.c & friends changes.  Since the register map
	etc. may differ between processes (64-bit vs 32-bit) etc., the
	linux_target_ops num_regs, regmap and regset_bitmap data fields are no
	longer sufficient.  A new method is added in their place that returns
	a pointer to a new struct that includes all info linux-low.c needs to
	access registers of the current inferior.
	
	The patch/discussion that originally introduced
	linux-low.c:disabled_regsets mentions that the disabled_regsets set
	may be different per mode (in a biarch setup), and indeed that is
	cleared whenever we start a new (first) inferior, so that global is
	moved as well behind the new `struct regs_info'.
	
	On the x86 side:
	
	I simply replaced the i387-fp.c:num_xmm_registers global with a check
	for 64-bit or 32-bit process, which is equivalent to how the global
	was set.  This avoided coming up with some more general mechanism that
	would work for all targets that use this module (GNU/Linux, Windows,
	etc.).
	
	Tested:
	
	GNU/Linux IA64
	GNU/Linux MIPS64
	GNU/Linux PowerPC (Fedora 16)
	GNU/Linux s390x (Fedora 16)
	GNU/Linux sparc64 (Debian)
	GNU/Linux x86_64, -m64 and -m32 (Fedora 17)
	
	Cross built, and smoke tested:
	
	i686-w64-mingw32, under Wine.
	GNU/Linux TI C6x, by Yao Qi.
	
	Cross built but otherwise not tested:
	
	aarch64-linux-gnu
	arm-linux-gnu
	m68k-linux
	nios2-linux-gnu
	sh-linux-gnu
	spu
	tilegx-unknown-linux-gnu
	
	Completely untested:
	
	GNU/Linux Blackfin
	GNU/Linux CRIS
	GNU/Linux CRISv32
	GNU/Linux TI Xtensa
	GNU/Linux M32R
	LynxOS
	QNX NTO
	
	gdb/gdbserver/
	2013-06-07  Pedro Alves  <palves@redhat.com>
	
	* Makefile.in (OBS): Add tdesc.o.
	(IPA_OBJS): Add tdesc-ipa.o.
	(tdesc-ipa.o): New rule.
	* ax.c (gdb_eval_agent_expr): Adjust register_size call to new
	interface.
	* linux-low.c (new_inferior): Delete.
	(disabled_regsets, num_regsets): Delete.
	(linux_add_process): Adjust to set the new per-process
	new_inferior flag.
	(linux_detach_one_lwp): Adjust to call regcache_invalidate_thread.
	(linux_wait_for_lwp): Adjust.  Only call arch_setup if the event
	was a stop.  When calling arch_setup, switch the current inferior
	to the thread that got an event.
	(linux_resume_one_lwp): Adjust to call regcache_invalidate_thread.
	(regsets_fetch_inferior_registers)
	(regsets_store_inferior_registers): New regsets_info parameter.
	Adjust to use it.
	(linux_register_in_regsets): New regs_info parameter.  Adjust to
	use it.
	(register_addr, fetch_register, store_register): New usrregs_info
	parameter.  Adjust to use it.
	(usr_fetch_inferior_registers, usr_store_inferior_registers): New
	parameter regs_info.  Adjust to use it.
	(linux_fetch_registers): Get the current inferior's regs_info, and
	adjust to use it.
	(linux_store_registers): Ditto.
	[HAVE_LINUX_REGSETS] (initialize_regsets_info): New.
	(initialize_low): Don't initialize the target_regsets here.  Call
	initialize_low_arch.
	* linux-low.h (target_regsets): Delete declaration.
	(struct regsets_info): New.
	(struct usrregs_info): New.
	(struct regs_info): New.
	(struct process_info_private) <new_inferior>: New field.
	(struct linux_target_ops): Delete the num_regs, regmap, and
	regset_bitmap fields.  New field regs_info.
	[HAVE_LINUX_REGSETS] (initialize_regsets_info): Declare.
	* i387-fp.c (num_xmm_registers): Delete.
	(i387_cache_to_fsave, i387_fsave_to_cache): Adjust find_regno
	calls to new interface.
	(i387_cache_to_fxsave, i387_cache_to_xsave, i387_fxsave_to_cache)
	(i387_xsave_to_cache): Adjust find_regno calls to new interface.
	Infer the number of xmm registers from the regcache's target
	description.
	* i387-fp.h (num_xmm_registers): Delete.
	* inferiors.c (add_thread): Don't install the thread's regcache
	here.
	* proc-service.c (gregset_info): Fetch the current inferior's
	regs_info.  Adjust to use it.
	* regcache.c: Include tdesc.h.
	(register_bytes, reg_defs, num_registers)
	(gdbserver_expedite_regs): Delete.
	(get_thread_regcache): If the thread doesn't have a regcache yet,
	create one, instead of aborting gdbserver.
	(regcache_invalidate_one): Rename to ...
	(regcache_invalidate_thread): ... this.
	(regcache_invalidate_one): New.
	(regcache_invalidate): Only invalidate registers of the current
	process.
	(init_register_cache): Add target_desc parameter, and use it.
	(new_register_cache): Ditto.  Assert the target description has a
	non zero registers_size.
	(regcache_cpy): Add assertions.  Adjust.
	(realloc_register_cache, set_register_cache): Delete.
	(registers_to_string, registers_from_string): Adjust.
	(find_register_by_name, find_regno, find_register_by_number)
	(register_cache_size): Add target_desc parameter, and use it.
	(free_register_cache_thread, free_register_cache_thread_one)
	(regcache_release, register_cache_size): New.
	(register_size): Add target_desc parameter, and use it.
	(register_data, supply_register, supply_register_zeroed)
	(supply_regblock, supply_register_by_name, collect_register)
	(collect_register_as_string, collect_register_by_name): Adjust.
	* regcache.h (struct target_desc): Forward declare.
	(struct regcache) <tdesc>: New field.
	(init_register_cache, new_register_cache): Add target_desc
	parameter.
	(regcache_invalidate_thread): Declare.
	(regcache_invalidate_one): Delete declaration.
	(regcache_release): Declare.
	(find_register_by_number, register_cache_size, register_size)
	(find_regno): Add target_desc parameter.
	(gdbserver_expedite_regs, gdbserver_xmltarget): Delete
	declarations.
	* remote-utils.c: Include tdesc.h.
	(outreg, prepare_resume_reply): Adjust.
	* server.c: Include tdesc.h.
	(gdbserver_xmltarget): Delete declaration.
	(get_features_xml, process_serial_event): Adjust.
	* server.h [IN_PROCESS_AGENT] (struct target_desc): Forward
	declare.
	(struct process_info) <tdesc>: New field.
	(ipa_tdesc): Declare.
	* tdesc.c: New file.
	* tdesc.h: New file.
	* tracepoint.c: Include tdesc.h.
	[IN_PROCESS_AGENT] (ipa_tdesc): Define.
	(get_context_regcache): Adjust to pass ipa_tdesc down.
	(do_action_at_tracepoint): Adjust to get the register cache size
	from the context regcache's description.
	(traceframe_walk_blocks): Adjust to get the register cache size
	from the current trace frame's description.
	(traceframe_get_pc): Adjust to get current trace frame's
	description and pass it down.
	(gdb_collect): Adjust to get the register cache size from the
	IPA's description.
	* linux-amd64-ipa.c (tdesc_amd64_linux): Declare.
	(gdbserver_xmltarget): Delete.
	(initialize_low_tracepoint): Set the ipa's target description.
	* linux-i386-ipa.c (tdesc_i386_linux): Declare.
	(initialize_low_tracepoint): Set the ipa's target description.
	* linux-x86-low.c: Include tdesc.h.
	[__x86_64__] (is_64bit_tdesc): New.
	(ps_get_thread_area, x86_get_thread_area): Use it.
	(i386_cannot_store_register): Rename to ...
	(x86_cannot_store_register): ... this.  Use is_64bit_tdesc.
	(i386_cannot_fetch_register): Rename to ...
	(x86_cannot_fetch_register): ... this.  Use is_64bit_tdesc.
	(x86_fill_gregset, x86_store_gregset): Adjust register_size calls
	to new interface.
	(target_regsets): Rename to ...
	(x86_regsets): ... this.
	(x86_get_pc, x86_set_pc): Adjust register_size calls to new
	interface.
	(x86_siginfo_fixup): Use is_64bit_tdesc.
	[__x86_64__] (tdesc_amd64_linux, tdesc_amd64_avx_linux)
	(tdesc_x32_avx_linux, tdesc_x32_linux)
	(tdesc_i386_linux, tdesc_i386_mmx_linux, tdesc_i386_avx_linux):
	Declare.
	(x86_linux_update_xmltarget): Delete.
	(I386_LINUX_XSAVE_XCR0_OFFSET): Define.
	(have_ptrace_getfpxregs, have_ptrace_getregset): New.
	(AMD64_LINUX_USER64_CS): New.
	(x86_linux_read_description): New, based on
	x86_linux_update_xmltarget.
	(same_process_callback): New.
	(x86_arch_setup_process_callback): New.
	(x86_linux_update_xmltarget): New.
	(x86_regsets_info): New.
	(amd64_linux_regs_info): New.
	(i386_linux_usrregs_info): New.
	(i386_linux_regs_info): New.
	(x86_linux_regs_info): New.
	(x86_arch_setup): Reimplement.
	(x86_install_fast_tracepoint_jump_pad): Use is_64bit_tdesc.
	(x86_emit_ops): Ditto.
	(the_low_target): Adjust.  Install x86_linux_regs_info,
	x86_cannot_fetch_register, and x86_cannot_store_register.
	(initialize_low_arch): New.
	* linux-ia64-low.c (tdesc_ia64): Declare.
	(ia64_fetch_register): Adjust.
	(ia64_usrregs_info, regs_info): New globals.
	(ia64_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-sparc-low.c (tdesc_sparc64): Declare.
	(sparc_fill_gregset_to_stack, sparc_store_gregset_from_stack):
	Adjust.
	(sparc_arch_setup): New function.
	(sparc_regsets_info, sparc_usrregs_info, regs_info): New globals.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-ppc-low.c (tdesc_powerpc_32l, tdesc_powerpc_altivec32l)
	(tdesc_powerpc_cell32l, tdesc_powerpc_vsx32l)
	(tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l)
	(tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_e500l)
	(tdesc_powerpc_64l, tdesc_powerpc_altivec64l)
	(tdesc_powerpc_cell64l, tdesc_powerpc_vsx64l)
	(tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l)
	(tdesc_powerpc_isa205_vsx64l): Declare.
	(ppc_cannot_store_register, ppc_collect_ptrace_register)
	(ppc_supply_ptrace_register, parse_spufs_run, ppc_get_pc)
	(ppc_set_pc, ppc_get_hwcap): Adjust.
	(ppc_usrregs_info): Forward declare.
	(!__powerpc64__) ppc_regmap_adjusted: New global.
	(ppc_arch_setup): Adjust to the current process'es target
	description.
	(ppc_fill_vsxregset, ppc_store_vsxregset, ppc_fill_vrregset)
	(ppc_store_vrregset, ppc_fill_evrregset, ppc_store_evrregse)
	(ppc_store_evrregset): Adjust.
	(target_regsets): Rename to ...
	(ppc_regsets): ... this, and make static.
	(ppc_usrregs_info, ppc_regsets_info, regs_info): New globals.
	(ppc_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-s390-low.c (tdesc_s390_linux32, tdesc_s390_linux32v1)
	(tdesc_s390_linux32v2, tdesc_s390_linux64, tdesc_s390_linux64v1)
	(tdesc_s390_linux64v2, tdesc_s390x_linux64, tdesc_s390x_linux64v1)
	(tdesc_s390x_linux64v2): Declare.
	(s390_collect_ptrace_register, s390_supply_ptrace_register)
	(s390_fill_gregset, s390_store_last_break): Adjust.
	(target_regsets): Rename to ...
	(s390_regsets): ... this, and make static.
	(s390_get_pc, s390_set_pc): Adjust.
	(s390_get_hwcap): New target_desc parameter, and use it.
	[__s390x__] (have_hwcap_s390_high_gprs): New global.
	(s390_arch_setup): Adjust to set the current process'es target
	description.  Don't adjust the regmap.
	(s390_usrregs_info, s390_regsets_info, regs_info): New globals.
	[__s390x__] (s390_usrregs_info_3264, s390_regsets_info_3264)
	(regs_info_3264): New globals.
	(s390_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-mips-low.c (tdesc_mips_linux, tdesc_mips_dsp_linux)
	(tdesc_mips64_linux, tdesc_mips64_dsp_linux): Declare.
	[__mips64] (init_registers_mips_linux)
	(init_registers_mips_dsp_linux): Delete defines.
	[__mips64] (tdesc_mips_linux, tdesc_mips_dsp_linux): New defines.
	(have_dsp): New global.
	(mips_read_description): New, based on mips_arch_setup.
	(mips_arch_setup): Reimplement.
	(get_usrregs_info): New function.
	(mips_cannot_fetch_register, mips_cannot_store_register)
	(mips_get_pc, mips_set_pc, mips_fill_gregset, mips_store_gregset)
	(mips_fill_fpregset, mips_store_fpregset): Adjust.
	(target_regsets): Rename to ...
	(mips_regsets): ... this, and make static.
	(mips_regsets_info, mips_dsp_usrregs_info, mips_usrregs_info)
	(dsp_regs_info, regs_info): New globals.
	(mips_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-arm-low.c (tdesc_arm, tdesc_arm_with_iwmmxt)
	(tdesc_arm_with_vfpv2, tdesc_arm_with_vfpv3, tdesc_arm_with_neon):
	Declare.
	(arm_fill_vfpregset, arm_store_vfpregset): Adjust.
	(arm_read_description): New, with bits factored from
	arm_arch_setup.
	(arm_arch_setup): Reimplement.
	(target_regsets): Rename to ...
	(arm_regsets): ... this, and make static.
	(arm_regsets_info, arm_usrregs_info, regs_info): New globals.
	(arm_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-m68k-low.c (tdesc_m68k): Declare.
	(target_regsets): Rename to ...
	(m68k_regsets): ... this, and make static.
	(m68k_regsets_info, m68k_usrregs_info, regs_info): New globals.
	(m68k_regs_info): New function.
	(m68k_arch_setup): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-sh-low.c (tdesc_sharch): Declare.
	(target_regsets): Rename to ...
	(sh_regsets): ... this, and make static.
	(sh_regsets_info, sh_usrregs_info, regs_info): New globals.
	(sh_regs_info, sh_arch_setup): New functions.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-bfin-low.c (tdesc_bfin): Declare.
	(bfin_arch_setup): New function.
	(bfin_usrregs_info, regs_info): New globals.
	(bfin_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-cris-low.c (tdesc_cris): Declare.
	(cris_arch_setup): New function.
	(cris_usrregs_info, regs_info): New globals.
	(cris_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-cris-low.c (tdesc_crisv32): Declare.
	(cris_arch_setup): New function.
	(cris_regsets_info, cris_usrregs_info, regs_info): New globals.
	(cris_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-m32r-low.c (tdesc_m32r): Declare.
	(m32r_arch_setup): New function.
	(m32r_usrregs_info, regs_info): New globals.
	(m32r_regs_info): Adjust.
	(initialize_low_arch): New function.
	* linux-tic6x-low.c (tdesc_tic6x_c64xp_linux)
	(tdesc_tic6x_c64x_linux, tdesc_tic6x_c62x_linux): Declare.
	(tic6x_usrregs_info): Forward declare.
	(tic6x_read_description): New function, based on ...
	(tic6x_arch_setup): ... this.  Reimplement.
	(target_regsets): Rename to ...
	(tic6x_regsets): ... this, and make static.
	(tic6x_regsets_info, tic6x_usrregs_info, regs_info): New globals.
	(tic6x_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-xtensa-low.c (tdesc_xtensa): Declare.
	(xtensa_fill_gregset, xtensa_store_gregset): Adjust.
	(target_regsets): Rename to ...
	(xtensa_regsets): ... this, and make static.
	(xtensa_regsets_info, xtensa_usrregs_info, regs_info): New
	globals.
	(xtensa_arch_setup, xtensa_regs_info): New functions.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-nios2-low.c (tdesc_nios2_linux): Declare.
	(nios2_arch_setup): Set the current process'es tdesc.
	(target_regsets): Rename to ...
	(nios2_regsets): ... this.
	(nios2_regsets_info, nios2_usrregs_info, regs_info): New globals.
	(nios2_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-aarch64-low.c (tdesc_aarch64): Declare.
	(aarch64_arch_setup): Set the current process'es tdesc.
	(target_regsets): Rename to ...
	(aarch64_regsets): ... this.
	(aarch64_regsets_info, aarch64_usrregs_info, regs_info): New globals.
	(aarch64_regs_info): New function.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* linux-tile-low.c (tdesc_tilegx, tdesc_tilegx32): Declare
	globals.
	(target_regsets): Rename to ...
	(tile_regsets): ... this.
	(tile_regsets_info, tile_usrregs_info, regs_info): New globals.
	(tile_regs_info): New function.
	(tile_arch_setup): Set the current process'es tdesc.
	(the_low_target): Adjust.
	(initialize_low_arch): New function.
	* spu-low.c (tdesc_spu): Declare.
	(spu_create_inferior, spu_attach): Set the new process'es tdesc.
	* win32-arm-low.c (tdesc_arm): Declare.
	(arm_arch_setup): New function.
	(the_low_target): Install arm_arch_setup instead of
	init_registers_arm.
	* win32-i386-low.c (tdesc_i386, tdesc_amd64): Declare.
	(init_windows_x86): Rename to ...
	(i386_arch_setup): ... this.  Set `win32_tdesc'.
	(the_low_target): Adjust.
	* win32-low.c (win32_tdesc): New global.
	(child_add_thread): Don't create the thread cache here.
	(do_initial_child_stuff): Set the new process'es tdesc.
	* win32-low.h (struct target_desc): Forward declare.
	(win32_tdesc): Declare.
	* lynx-i386-low.c (tdesc_i386): Declare global.
	(lynx_i386_arch_setup): Set `lynx_tdesc'.
	* lynx-low.c (lynx_tdesc): New global.
	(lynx_add_process): Set the new process'es tdesc.
	* lynx-low.h (struct target_desc): Forward declare.
	(lynx_tdesc): Declare global.
	* lynx-ppc-low.c (tdesc_powerpc_32): Declare global.
	(lynx_ppc_arch_setup): Set `lynx_tdesc'.
	* nto-low.c (nto_tdesc): New global.
	(do_attach): Set the new process'es tdesc.
	* nto-low.h (struct target_desc): Forward declare.
	(nto_tdesc): Declare.
	* nto-x86-low.c (tdesc_i386): Declare.
	(nto_x86_arch_setup): Set `nto_tdesc'.
	
	gdb/
	2013-06-07  Pedro Alves  <palves@redhat.com>
	
	* regformats/regdat.sh: Output #include tdesc.h.  Make globals
	static.  Output a global target description pointer.
	(init_registers_${name}): Adjust to initialize a
	target description structure.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.15695&r2=1.15696
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/tdesc.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/tdesc.h.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/ChangeLog.diff?cvsroot=src&r1=1.722&r2=1.723
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/Makefile.in.diff?cvsroot=src&r1=1.152&r2=1.153
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/ax.c.diff?cvsroot=src&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/i387-fp.c.diff?cvsroot=src&r1=1.19&r2=1.20
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/i387-fp.h.diff?cvsroot=src&r1=1.13&r2=1.14
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/inferiors.c.diff?cvsroot=src&r1=1.36&r2=1.37
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-aarch64-low.c.diff?cvsroot=src&r1=1.4&r2=1.5
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-amd64-ipa.c.diff?cvsroot=src&r1=1.7&r2=1.8
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-arm-low.c.diff?cvsroot=src&r1=1.37&r2=1.38
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-bfin-low.c.diff?cvsroot=src&r1=1.7&r2=1.8
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-cris-low.c.diff?cvsroot=src&r1=1.16&r2=1.17
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-crisv32-low.c.diff?cvsroot=src&r1=1.19&r2=1.20
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-i386-ipa.c.diff?cvsroot=src&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-ia64-low.c.diff?cvsroot=src&r1=1.16&r2=1.17
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.c.diff?cvsroot=src&r1=1.238&r2=1.239
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-low.h.diff?cvsroot=src&r1=1.61&r2=1.62
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-m32r-low.c.diff?cvsroot=src&r1=1.15&r2=1.16
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-m68k-low.c.diff?cvsroot=src&r1=1.23&r2=1.24
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-mips-low.c.diff?cvsroot=src&r1=1.26&r2=1.27
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-nios2-low.c.diff?cvsroot=src&r1=1.1&r2=1.2
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-ppc-low.c.diff?cvsroot=src&r1=1.36&r2=1.37
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-s390-low.c.diff?cvsroot=src&r1=1.30&r2=1.31
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-sh-low.c.diff?cvsroot=src&r1=1.21&r2=1.22
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-sparc-low.c.diff?cvsroot=src&r1=1.13&r2=1.14
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-tic6x-low.c.diff?cvsroot=src&r1=1.5&r2=1.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-tile-low.c.diff?cvsroot=src&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-x86-low.c.diff?cvsroot=src&r1=1.46&r2=1.47
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/linux-xtensa-low.c.diff?cvsroot=src&r1=1.14&r2=1.15
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/lynx-i386-low.c.diff?cvsroot=src&r1=1.4&r2=1.5
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/lynx-low.c.diff?cvsroot=src&r1=1.20&r2=1.21
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/lynx-low.h.diff?cvsroot=src&r1=1.4&r2=1.5
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/lynx-ppc-low.c.diff?cvsroot=src&r1=1.5&r2=1.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/nto-low.c.diff?cvsroot=src&r1=1.15&r2=1.16
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/nto-low.h.diff?cvsroot=src&r1=1.5&r2=1.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/nto-x86-low.c.diff?cvsroot=src&r1=1.6&r2=1.7
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/proc-service.c.diff?cvsroot=src&r1=1.21&r2=1.22
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/regcache.c.diff?cvsroot=src&r1=1.32&r2=1.33
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/regcache.h.diff?cvsroot=src&r1=1.20&r2=1.21
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/remote-utils.c.diff?cvsroot=src&r1=1.96&r2=1.97
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/server.c.diff?cvsroot=src&r1=1.192&r2=1.193
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/server.h.diff?cvsroot=src&r1=1.106&r2=1.107
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/spu-low.c.diff?cvsroot=src&r1=1.42&r2=1.43
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/tracepoint.c.diff?cvsroot=src&r1=1.77&r2=1.78
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/win32-arm-low.c.diff?cvsroot=src&r1=1.14&r2=1.15
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/win32-i386-low.c.diff?cvsroot=src&r1=1.26&r2=1.27
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/win32-low.c.diff?cvsroot=src&r1=1.63&r2=1.64
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/gdbserver/win32-low.h.diff?cvsroot=src&r1=1.17&r2=1.18
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/regformats/regdat.sh.diff?cvsroot=src&r1=1.17&r2=1.18


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