/* Target-dependent code for the i387.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of GDB.
struct type;
struct ui_file;
-/* Because the number of general-purpose registers is different for
- AMD64, the floating-point registers and SSE registers get shifted.
- The following definitions are intended to help writing code that
- needs the register numbers of floating-point registers and SSE
- registers. In order to use these, one should provide a definition
- for I387_ST0_REGNUM, and possibly I387_NUM_XMM_REGS, preferably by
- using a local "#define" in the body of the function that uses this.
- Please "#undef" them before the end of the function. */
-
-#define I387_FCTRL_REGNUM (I387_ST0_REGNUM + 8)
-#define I387_FSTAT_REGNUM (I387_FCTRL_REGNUM + 1)
-#define I387_FTAG_REGNUM (I387_FCTRL_REGNUM + 2)
-#define I387_FISEG_REGNUM (I387_FCTRL_REGNUM + 3)
-#define I387_FIOFF_REGNUM (I387_FCTRL_REGNUM + 4)
-#define I387_FOSEG_REGNUM (I387_FCTRL_REGNUM + 5)
-#define I387_FOOFF_REGNUM (I387_FCTRL_REGNUM + 6)
-#define I387_FOP_REGNUM (I387_FCTRL_REGNUM + 7)
-#define I387_XMM0_REGNUM (I387_ST0_REGNUM + 16)
-#define I387_MXCSR_REGNUM (I387_XMM0_REGNUM + I387_NUM_XMM_REGS)
-\f
+/* Number of i387 floating point registers. */
+#define I387_NUM_REGS 16
+
+#define I387_ST0_REGNUM(tdep) ((tdep)->st0_regnum)
+#define I387_NUM_XMM_REGS(tdep) ((tdep)->num_xmm_regs)
+#define I387_NUM_XMM_AVX512_REGS(tdep) ((tdep)->num_xmm_avx512_regs)
+#define I387_MM0_REGNUM(tdep) ((tdep)->mm0_regnum)
+#define I387_NUM_YMM_REGS(tdep) ((tdep)->num_ymm_regs)
+#define I387_YMM0H_REGNUM(tdep) ((tdep)->ymm0h_regnum)
+
+#define I387_BND0R_REGNUM(tdep) ((tdep)->bnd0r_regnum)
+#define I387_BNDCFGU_REGNUM(tdep) ((tdep)->bndcfgu_regnum)
+
+/* Set of constants used for 32 and 64-bit. */
+#define I387_NUM_MPX_REGS 6
+#define I387_NUM_BND_REGS 4
+#define I387_NUM_MPX_CTRL_REGS 2
+#define I387_NUM_K_REGS 8
+#define I387_NUM_PKEYS_REGS 1
+
+#define I387_PKRU_REGNUM(tdep) ((tdep)->pkru_regnum)
+#define I387_K0_REGNUM(tdep) ((tdep)->k0_regnum)
+#define I387_NUM_ZMMH_REGS(tdep) ((tdep)->num_zmm_regs)
+#define I387_ZMM0H_REGNUM(tdep) ((tdep)->zmm0h_regnum)
+#define I387_NUM_YMM_AVX512_REGS(tdep) ((tdep)->num_ymm_avx512_regs)
+#define I387_YMM16H_REGNUM(tdep) ((tdep)->ymm16h_regnum)
+
+#define I387_FCTRL_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 8)
+#define I387_FSTAT_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 1)
+#define I387_FTAG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 2)
+#define I387_FISEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 3)
+#define I387_FIOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 4)
+#define I387_FOSEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 5)
+#define I387_FOOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 6)
+#define I387_FOP_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 7)
+#define I387_XMM0_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 16)
+#define I387_XMM16_REGNUM(tdep) ((tdep)->xmm16_regnum)
+#define I387_MXCSR_REGNUM(tdep) \
+ (I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep))
+#define I387_YMM0_REGNUM(tdep) (I387_MXCSR_REGNUM(tdep) + 1)
+#define I387_YMMENDH_REGNUM(tdep) \
+ (I387_YMM0H_REGNUM (tdep) + I387_NUM_YMM_REGS (tdep))
+
+#define I387_MPXEND_REGNUM(tdep) \
+ (I387_BND0R_REGNUM (tdep) + I387_NUM_MPX_REGS)
+
+#define I387_KEND_REGNUM(tdep) \
+ (I387_K0_REGNUM (tdep) + I387_NUM_K_REGS)
+#define I387_ZMMENDH_REGNUM(tdep) \
+ (I387_ZMM0H_REGNUM (tdep) + I387_NUM_ZMMH_REGS (tdep))
+#define I387_YMMH_AVX512_END_REGNUM(tdep) \
+ (I387_YMM16H_REGNUM (tdep) + I387_NUM_YMM_AVX512_REGS (tdep))
+#define I387_XMM_AVX512_END_REGNUM(tdep) \
+ (I387_XMM16_REGNUM (tdep) + I387_NUM_XMM_AVX512_REGS (tdep))
+
+#define I387_PKEYSEND_REGNUM(tdep) \
+ (I387_PKRU_REGNUM (tdep) + I387_NUM_PKEYS_REGS)
/* Print out the i387 floating point state. */
/* Return nonzero if a value of type TYPE stored in register REGNUM
needs any special handling. */
-extern int i387_convert_register_p (int regnum, struct type *type);
+extern int i387_convert_register_p (struct gdbarch *gdbarch, int regnum,
+ struct type *type);
/* Read a value of type TYPE from register REGNUM in frame FRAME, and
return its contents in TO. */
-extern void i387_register_to_value (struct frame_info *frame, int regnum,
- struct type *type, gdb_byte *to);
+extern int i387_register_to_value (struct frame_info *frame, int regnum,
+ struct type *type, gdb_byte *to,
+ int *optimizedp, int *unavailablep);
/* Write the contents FROM of a value of type TYPE into register
REGNUM in frame FRAME. */
extern void i387_supply_fxsave (struct regcache *regcache, int regnum,
const void *fxsave);
+/* Similar to i387_supply_fxsave, but use XSAVE extended state. */
+
+extern void i387_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
extern void i387_collect_fxsave (const struct regcache *regcache, int regnum,
void *fxsave);
+/* Similar to i387_collect_fxsave, but use XSAVE extended state. */
+
+extern void i387_collect_xsave (const struct regcache *regcache,
+ int regnum, void *xsave, int gcore);
+
+/* Extract a bitset from XSAVE indicating which features are available in
+ the inferior, but not yet initialised. */
+
+extern ULONGEST i387_xsave_get_clear_bv (struct gdbarch *gdbarch,
+ const void *xsave);
+
/* Prepare the FPU stack in REGCACHE for a function return. */
extern void i387_return_value (struct gdbarch *gdbarch,
struct regcache *regcache);
+/* Set all bnd registers to the INIT state. INIT state means
+ all memory range can be accessed. */
+extern void i387_reset_bnd_regs (struct gdbarch *gdbarch,
+ struct regcache *regcache);
#endif /* i387-tdep.h */
projects / deliverable / binutils-gdb.git / blobdiff