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Re: PATCH: Enable x86 XML target descriptions


On Wed, Feb 10, 2010 at 12:03:03PM -0800, H.J. Lu wrote:
> Hi,
> 
> This patch enables x86 XML target descriptions.  I used
> i386_linux_init_orig_eax to support the old gdbserver which doesn't
> have XML target descriptions.
> 
> The register description processing is handled in i386_gdbarch_init
> for 32bit/64bit as well as all ABIs to avoid code duplication and
> unnecessary complexity.
> 
> OK to install?
> 
> BTW, I have a followup patch to support al, ax and eax pseudo registers.
> 
> Thanks.
> 
> 
> H.J.
> ----
> gdb/
> 
> 2010-02-10  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	* amd64-linux-nat.c (_initialize_amd64_linux_nat): Set
> 	to_read_description to i386_linux_read_description.
> 	* i386-linux-nat.c (_initialize_i386_linux_nat): Likewise.
> 
> 	* amd64-linux-tdep.c (amd64_linux_register_name): Removed.
> 	(amd64_linux_register_type): Likewise.
> 	(amd64_linux_init_abi): Don't call set_gdbarch_num_regs,
> 	set_gdbarch_register_name nor set_gdbarch_register_type.  Call
> 	i386_linux_init_orig_eax and set_gdbarch_core_read_description.
> 
> 	* amd64-linux-tdep.h: Include "i386-linux-tdep.h".
> 
> 	* amd64-tdep.c (amd64_register_names): Make it global.
> 	(amd64_register_name): Removed.
> 	(amd64_register_type): Likewise.
> 	(amd64_init_abi): Don't call set_gdbarch_num_regs,
> 	set_gdbarch_register_name nor set_gdbarch_register_type.
> 
> 	* amd64-tdep.h (amd64_register_names): New.
> 
> 	* i386-linux-tdep.c: Include "amd64-tdep.h" and
> 	* "amd64-linux-tdep.h" instead "i386-tdep.h" and
> 	"i386-linux-tdep.h".  Include features/i386/i386-linux.c and
> 	features/i386/amd64-linux.c.
> 	(i386_linux_register_name): Support BFD64.
> 	(i386_linux_register_type): New.
> 	(i386_linux_init_orig_eax): Likewise.
> 	(i386_linux_core_read_description): Likewise.
> 	(i386_linux_read_description): Likewise.
> 	(i386_linux_init_abi): Don't call set_gdbarch_num_regs nor
> 	set_gdbarch_register_name.  Call i386_linux_init_orig_eax and
> 	set_gdbarch_core_read_description.
> 	(_initialize_i386_linux_tdep): Call initialize_tdesc_i386_linux
> 	and initialize_tdesc_x86_64_linux.
> 
> 	* i386-linux-tdep.h (i386_linux_core_read_description): New.
> 	(i386_linux_read_description): Likewise.
> 	(i386_linux_init_orig_eax): Likewise.
> 
> 	* i386-tdep.c: Include "amd64-tdep.h" instead of "i386-tdep.h".
> 	Include features/i386/i386.c and features/i386/amd64.c.
> 	(i386_register_names): Make it const.
> 	(i386_mmx_names): Likewise.
> 	(i386_num_register_names): Removed.
> 	(i386_register_name): Likewise.
> 	(i386_eflags_type): Likewise.
> 	(i386_mxcsr_type): Likewise.
> 	(i386_sse_type): Likewise.
> 	(i386_register_type): Likewise.
> 	(i387_ext_type): Call tdesc_find_type instead of arch_float_type.
> 	(i386_pseudo_register_name): New.
> 	(i386_pseudo_register_type): Likewise.
> 	(i386_mmx_type): Make it static.
> 	(i386_gdbarch_init): Support both 32bit and 64bit x86 target
> 	descriptions.  Don't call set_gdbarch_register_name nor
> 	set_gdbarch_register_type.  Call set_tdesc_pseudo_register_type,
> 	set_tdesc_pseudo_register_name and tdesc_use_registers.
> 	(_initialize_i386_tdep): Call initialize_tdesc_i386 and
> 	initialize_tdesc_x86_64.
> 
> 	* i386-tdep.h (gdbarch_tdep): Remove i386_eflags_type,
> 	i386_mxcsr_type and i386_sse_type.
> 	(i386_eflags_type): Removed.
> 	(i386_mxcsr_type): Likewise.
> 	(i386_mmx_type): Likewise.
> 	(i386_sse_type): Likewise.
> 	(i386_register_name): Likewise.
> 
> 	* regformats/i386/i386-linux.dat: Generated.
> 	* regformats/i386/i386.dat: Likewise.
> 	* regformats/i386/amd64-linux.dat: Likewise.
> 	* regformats/i386/amd64.dat: Likewise.
> 
> 	* regformats/reg-i386-linux.dat: Removed.
> 	* regformats/reg-i386.dat: Likewise.
> 	* regformats/reg-x86-64-linux.dat: Likewise.
> 	* regformats/reg-x86-64.dat: Likewise.
> 
> gdb/gdbserver/
> 
> 2010-02-10  H.J. Lu  <hongjiu.lu@intel.com>
> 
> 	* Makefile.in (clean): Replace reg-i386.c, reg-x86-64.c,
> 	reg-i386-linux.c and reg-x86-64-linux.c with i386.c, amd64.c,
> 	i386-linux.c and amd64-linux.c.
> 	(reg-i386.o): Removed.
> 	(reg-i386.c): Likewise.
> 	(reg-i386-linux.o): Likewise.
> 	(reg-i386-linux.c): Likewise.
> 	(reg-x86-64.o): Likewise.
> 	(reg-x86-64.c): Likewise.
> 	(reg-x86-64-linux.o): Likewise.
> 	(reg-x86-64-linux.c): Likewise.
> 	(i386.o): New.
> 	(i386.c): Likewise.
> 	(i386-linux.o): Likewise.
> 	(i386-linux.c): Likewise.
> 	(amd64.o): Likewise.
> 	(amd64.c): Likewise.
> 	(amd64-linux.o): Likewise.
> 	(amd64-linux.c): Likewise.
> 
> 	* configure.srv (srv_i386_regobj): New.
> 	(srv_i386_linux_regobj): Likewise.
> 	(srv_amd64_regobj): Likewise.
> 	(srv_amd64_linux_regobj): Likewise.
> 	(srv_i386_32bit_xmlfiles): Likewise.
> 	(srv_i386_64bit_xmlfiles): Likewise.
> 	(srv_i386_xmlfiles): Likewise.
> 	(srv_amd64_xmlfiles): Likewise.
> 	(srv_i386_linux_xmlfiles): Likewise.
> 	(srv_amd64_linux_xmlfiles): Likewise.
> 	(i[34567]86-*-cygwin*): Set srv_regobj to $srv_i386_regobj.  Set
> 	srv_xmlfiles to $srv_i386_xmlfiles.
> 	(i[34567]86-*-mingw32ce*): Likewise.
> 	(i[34567]86-*-mingw*): Likewise.
> 	(i[34567]86-*-nto*): Likewise.
> 	(i[34567]86-*-linux*): Set srv_regobj to $srv_i386_linux_regobj
> 	and $srv_amd64_linux_regobj.  Set srv_xmlfiles to
> 	$srv_i386_linux_xmlfiles and $srv_amd64_linux_xmlfiles.
> 	(x86_64-*-linux*): Likewise.
> 
> 	* linux-x86-low.c (init_registers_x86_64_linux): Removed.
> 	(init_registers_amd64_linux): New.
> 	(x86_arch_setup): Replace init_registers_x86_64_linux with
> 	init_registers_amd64_linux.
> 

Any objections to enable XML target descriptions for x86? Any comments?

Thanks.


H.J.


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