Add MPX support for i386

2013-11-20  Walfred Tedeschi  <walfred.tedeschi@intel.com>

	* i386-linux-nat.c (GETXSTATEREGS_SUPPLIES): Add MPX
	registers on the range of registers to be read from
	xsave buffer.
	(i386_linux_read_description): Add case for MPX.
	* i386-linux-tdep.c: Include features/i386/i386-mpx-linux.c.
	(i386_linux_gregset_reg_offset): Add MPX registers.
	(i386_linux_core_read_description): Initialize also MPX.
	(_initialize_i386_linux_tdep): Add mpx initialization.
	* i386-tdep.h (gdbarch_tdep): Add fields bnd0r_regnum, bnd0_regnum,
	mpx_register_names.
	(i386_regnum): Add MPX registers.
	(I386_MPX_NUM_REGS): New macro.
	(i386_bnd_regnum_p): New function.
	* i386-linux-tdep.h (I386_LINUX_NUM_REGS): Set
	number of registers to be the number of BNDSTATUS.
	(tdesc_i386_mpx_linux): Add description for MPX Linux registers.
	* i386-tdep.c: Include features/i386/i386-mpx.c.
	(i386_mpx_names): Add MPX register names array.
	(i386_bnd_names): Add bnd pseudo register names array.
	(i386_bndr_regnum_p): Lookup register numbers for bnd raw
	registers.
	(i386_bndr_regnum_p): Lookup register numbers for bnd raw registers.
	(386_mpx_ctrl_regnum_p): Lookup register numbers for MPX control
	registers.
	(i386_bnd_type): New function.
	(i386_pseudo_register_type): Use i386_bnd_type for bnd pseudo
	register types.
	(i386_pseudo_register_read_into_value): Add bnd case.
	(i386_pseudo_register_write): Add bnd pseudo registers.
	(i386_register_reggroup_p): Add MPX register to the group all.
	(i386_validate_tdesc_p): Add MPX to the target 	description
	validation.
	(i386_pseudo_register_name): Add bnd pseudo registers.
	(i386_gdbarch_init): Add MPX for architecture initialization.
	(_initia_initialize_i386_tdep): Add mpx initialization.
	* i387-tdep.c (xsave_mpx_offset): New vector for MPX offsets on
	XSAVE buffer.
	(XSAVE_MPX_ADDR): New macro.
	(i387_supply_xsave): Add MPX case.
	(i387_collect_xsave): Add MPX case.
	* i387-tdep.h (I387_BND0R_REGNUM): New macro.
	(I387_BNDCFGU_REGNUM): New macro.
	(I387_NUM_MPX_REGS): New macro.
	(I387_NUM_BND_REGS): New macro.
	(I387_NUM_MPX_CTRL_REGS): New macro.
	(I387_MPXEND_REGNUM): New macro.
	* common/i386-xstate.h (I386_XSTATE_BNDREGS): New macro.
	(I386_XSTATE_BNDCFG): Likewise.
	(I386_XSTATE_MPX_MASK): Likewise.
	(I386_XSTATE_ALL_MASK): New macro represents flags for all states.
	(I386_XSTATE_BNDREGS_SIZE): New macro.
	(I386_XSTATE_BNDCFG_SIZE): Likewise.
	(I386_XSTATE_SIZE): Adapt for MPX.
	(I386_XSTATE_MAX_SIZE): Likewise.

Change-Id: I9ddb7d49434d86fa18eb6b99515203d7c567aefd
Signed-off-by: Walfred Tedeschi <walfred.tedeschi@intel.com>

Conflicts:

	gdb/ChangeLog

1 files changed, 23 insertions, 1 deletions

diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 092744c..6529c98 100644
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -130,6 +130,21 @@ struct gdbarch_tdep
   /* Upper YMM register names.  Only used for tdesc_numbered_register.  */
   const char **ymmh_register_names;
 
+  /* Register number for %bnd0r.  Set this to -1 to indicate the absence
+     bound registers.  */
+  int bnd0r_regnum;
+
+  /* Register number for pseudo register %bnd0.  Set this to -1 to indicate the absence
+     bound registers.  */
+  int bnd0_regnum;
+
+  /* Register number for %bndcfgu. Set this to -1 to indicate the absence
+     bound control registers.  */
+  int bndcfgu_regnum;
+
+  /* MPX register names.  Only used for tdesc_numbered_register.  */
+  const char **mpx_register_names;
+
   /* Target description.  */
   const struct target_desc *tdesc;
 
@@ -165,6 +180,7 @@ struct gdbarch_tdep
   struct type *i386_mmx_type;
   struct type *i386_ymm_type;
   struct type *i387_ext_type;
+  struct type *i386_bnd_type;
 
   /* Process record/replay target.  */
   /* The map for registers because the AMD64's registers order
@@ -212,7 +228,11 @@ enum i386_regnum
   I386_ST0_REGNUM,		/* %st(0) */
   I386_MXCSR_REGNUM = 40,	/* %mxcsr */ 
   I386_YMM0H_REGNUM,		/* %ymm0h */
-  I386_YMM7H_REGNUM = I386_YMM0H_REGNUM + 7
+  I386_YMM7H_REGNUM = I386_YMM0H_REGNUM + 7,
+  I386_BND0R_REGNUM,
+  I386_BND3R_REGNUM = I386_BND0R_REGNUM + 3,
+  I386_BNDCFGU_REGNUM,
+  I386_BNDSTATUS_REGNUM
 };
 
 /* Register numbers of RECORD_REGMAP.  */
@@ -250,6 +270,7 @@ enum record_i386_regnum
 
 #define I386_SSE_NUM_REGS	(I386_MXCSR_REGNUM + 1)
 #define I386_AVX_NUM_REGS	(I386_YMM7H_REGNUM + 1)
+#define I386_MPX_NUM_REGS	(I386_BNDSTATUS_REGNUM + 1)
 
 /* Size of the largest register.  */
 #define I386_MAX_REGISTER_SIZE	16
@@ -263,6 +284,7 @@ extern int i386_word_regnum_p (struct gdbarch *gdbarch, int regnum);
 extern int i386_dword_regnum_p (struct gdbarch *gdbarch, int regnum);
 extern int i386_xmm_regnum_p (struct gdbarch *gdbarch, int regnum);
 extern int i386_ymm_regnum_p (struct gdbarch *gdbarch, int regnum);
+extern int i386_bnd_regnum_p (struct gdbarch *gdbarch, int regnum);
 
 extern const char *i386_pseudo_register_name (struct gdbarch *gdbarch,
 					      int regnum);