Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

Add MPX support for i386

Browse Source 
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
This commit is contained in:
Walfred Tedeschi
2013-11-20 13:02:00 +01:00
parent ccc42043f7
commit 1dbcd68cf1
9 changed files with 466 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
gdb/i386-linux-tdep.c
View File

@@ -50,6 +50,7 @@
#include "features/i386/i386-linux.c"
#include "features/i386/i386-mmx-linux.c"
#include "features/i386/i386-mpx-linux.c"
#include "features/i386/i386-avx-linux.c"
/* Supported register note sections. */
@@ -569,6 +570,8 @@ int i386_linux_gregset_reg_offset[] =
-1, -1, -1, -1, -1, -1, -1, -1,
-1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
-1, -1, /* MPX registers BNDCFGU, BNDSTATUS. */
11 * 4 /* "orig_eax" */
};
@@ -642,8 +645,11 @@ i386_linux_core_read_description (struct gdbarch *gdbarch,
{
/* Linux/i386. */
uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
switch ((xcr0 & I386_XSTATE_AVX_MASK))
switch ((xcr0 & I386_XSTATE_ALL_MASK))
{
case I386_XSTATE_MPX_MASK:
return tdesc_i386_mpx_linux;
case I386_XSTATE_AVX_MASK:
return tdesc_i386_avx_linux;
case I386_XSTATE_SSE_MASK:
@@ -979,4 +985,5 @@ _initialize_i386_linux_tdep (void)
initialize_tdesc_i386_linux ();
initialize_tdesc_i386_mmx_linux ();
initialize_tdesc_i386_avx_linux ();
initialize_tdesc_i386_mpx_linux ();
}