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

17
gdb/i386-linux-nat.c
View File

@@ -102,7 +102,7 @@ static int have_ptrace_getregset = -1;
(I386_ST0_REGNUM <= (regno) && (regno) < I386_SSE_NUM_REGS)
#define GETXSTATEREGS_SUPPLIES(regno) \
(I386_ST0_REGNUM <= (regno) && (regno) < I386_AVX_NUM_REGS)
(I386_ST0_REGNUM <= (regno) && (regno) < I386_MPX_NUM_REGS)
/* Does the current host support the GETREGS request? */
int have_ptrace_getregs =
@@ -1041,9 +1041,18 @@ i386_linux_read_description (struct target_ops *ops)
}
/* Check the native XCR0 only if PTRACE_GETREGSET is available. */
if (have_ptrace_getregset
&& (xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK)
return tdesc_i386_avx_linux;
if (have_ptrace_getregset)
{
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;
default:
return tdesc_i386_linux;
}
}
else
return tdesc_i386_linux;
}