Support amd64 AVX.

Support amd64 AVX.

gdb/

2010-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	* amd64-linux-nat.c: Include "regset.h", "elf/common.h",
	<sys/uio.h> and "i386-xstate.h".
	(PTRACE_GETREGSET): New.
	(PTRACE_SETREGSET): Likewise.
	(have_ptrace_getregset): Likewise.
	(amd64_linux_gregset64_reg_offset): Include 16 upper YMM
	registers.
	(amd64_linux_gregset32_reg_offset): Include 8 upper YMM
	registers.
	(amd64_linux_fetch_inferior_registers): Support PTRACE_GETFPREGS.
	(amd64_linux_store_inferior_registers): Likewise.
	(amd64_linux_read_description): Check and enable AVX target
	descriptions.

	* amd64-linux-tdep.c: Include "regset.h", "i386-linux-tdep.h"
	and "features/i386/amd64-avx-linux.c".
	(amd64_linux_regset_sections): New.
	(amd64_linux_core_read_description): Check and enable AVX
	target description.
	(amd64_linux_init_abi): Set xsave_xcr0_offset.  Call
	set_gdbarch_core_regset_sections.
	(_initialize_amd64_linux_tdep): Call
	initialize_tdesc_amd64_avx_linux.

	* amd64-linux-tdep.h (AMD64_LINUX_ORIG_RAX_REGNUM): Replace
	AMD64_MXCSR_REGNUM with AMD64_YMM15H_REGNUM.
	(tdesc_amd64_avx_linux): New.
	(amd64_linux_update_xstateregset): Likewise.

	* amd64-tdep.c: Include "features/i386/amd64-avx.c".
	(amd64_ymm_names): New.
	(amd64_ymmh_names): Likewise.
	(amd64_register_name): Likewise.
	(amd64_supply_xstateregset): Likewise.
	(amd64_collect_xstateregset): Likewise.
	(amd64_supply_xsave): Likewise.
	(amd64_collect_xsave): Likewise.
	(AMD64_NUM_REGS): Removed.
	(amd64_dwarf_reg_to_regnum): Return %ymmN register number for
	%xmmN if AVX is available.
	(amd64_pseudo_register_name): Support pseudo YMM registers.
	(amd64_regset_from_core_section): Support .reg-xstate section.
	(amd64_init_abi): Set ymmh_register_names, num_ymm_regs
	and ymm0h_regnum.  Call set_gdbarch_register_name.
	(amd64_init_abi): Call initialize_tdesc_amd64_avx.

	* amd64-tdep.h (amd64_regnum): Add AMD64_YMM0H_REGNUM and
	AMD64_YMM15H_REGNUM.
	(AMD64_NUM_REGS): New.
	(amd64_supply_xsave): Likewise.
	(amd64_collect_xsave): Likewise.
	(amd64_register_name): Removed.
	(amd64_register_type): Likewise.

gdb/testsuite/

2010-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	* gdb.arch/i386-avx.c: New.
	* gdb.arch/i386-avx.exp: Likewise.

	* gdb.arch/i386-cpuid.h: Updated from gcc 4.4.