X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fi387-tdep.h;h=976fa11d6cf8fe8a242026437d8223d033600884;hb=91158a569dc571a9916dfad98c6c95ce789ad18d;hp=a6bd0c50869536c606825562ae31ef305e3d2160;hpb=a9762ec78a53fbe9209fe1654db42df0cd328d50;p=binutils-gdb.git diff --git a/gdb/i387-tdep.h b/gdb/i387-tdep.h index a6bd0c50869..976fa11d6cf 100644 --- a/gdb/i387-tdep.h +++ b/gdb/i387-tdep.h @@ -1,6 +1,6 @@ /* Target-dependent code for the i387. - Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007 + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This file is part of GDB. @@ -27,26 +27,28 @@ struct regcache; 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) - +/* 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_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_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_MXCSR_REGNUM(tdep) \ + (I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep)) +#define I387_YMMENDH_REGNUM(tdep) \ + (I387_YMM0H_REGNUM (tdep) + I387_NUM_YMM_REGS (tdep)) /* Print out the i387 floating point state. */ @@ -55,6 +57,12 @@ extern void i387_print_float_info (struct gdbarch *gdbarch, struct frame_info *frame, const char *args); +/* Return nonzero if a value of type TYPE stored in register REGNUM + needs any special handling. */ + +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. */ @@ -95,6 +103,11 @@ extern void i387_collect_fsave (const struct regcache *regcache, int regnum, 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 @@ -103,6 +116,11 @@ extern void i387_supply_fxsave (struct regcache *regcache, int regnum, 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); + /* Prepare the FPU stack in REGCACHE for a function return. */ extern void i387_return_value (struct gdbarch *gdbarch,