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.

1 files changed, 13 insertions, 7 deletions

diff --git a/gdb/amd64-tdep.h b/gdb/amd64-tdep.h
index 363479c8aa3..9f07dda22cb 100644
--- a/gdb/amd64-tdep.h
+++ b/gdb/amd64-tdep.h
@@ -61,12 +61,16 @@ enum amd64_regnum
   AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
   AMD64_XMM0_REGNUM = 40,	/* %xmm0 */
   AMD64_XMM1_REGNUM,		/* %xmm1 */
-  AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16
+  AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16,
+  AMD64_YMM0H_REGNUM,		/* %ymm0h */
+  AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15
 };
 
 /* Number of general purpose registers.  */
 #define AMD64_NUM_GREGS		24
 
+#define AMD64_NUM_REGS		(AMD64_YMM15H_REGNUM + 1)
+
 extern struct displaced_step_closure *amd64_displaced_step_copy_insn
   (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
    struct regcache *regs);
@@ -77,12 +81,6 @@ extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch,
 
 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
 
-/* Functions from amd64-tdep.c which may be needed on architectures
-   with extra registers.  */
-
-extern const char *amd64_register_name (struct gdbarch *gdbarch, int regnum);
-extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum);
-
 /* Fill register REGNUM in REGCACHE with the appropriate
    floating-point or SSE register value from *FXSAVE.  If REGNUM is
    -1, do this for all registers.  This function masks off any of the
@@ -91,6 +89,10 @@ extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum);
 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
 				 const void *fxsave);
 
+/* Similar to amd64_supply_fxsave, but use XSAVE extended state.  */
+extern void amd64_supply_xsave (struct regcache *regcache, int regnum,
+				const void *xsave);
+
 /* Fill register REGNUM (if it is a floating-point or SSE register) in
    *FXSAVE with the value from REGCACHE.  If REGNUM is -1, do this for
    all registers.  This function doesn't touch any of the reserved
@@ -99,6 +101,10 @@ extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
 				  void *fxsave);
 
+/* Similar to amd64_collect_fxsave, but but use XSAVE extended state.  */
+extern void amd64_collect_xsave (const struct regcache *regcache,
+				 int regnum, void *xsave, int gcore);
+
 void amd64_classify (struct type *type, enum amd64_reg_class class[2]);