diff options
Diffstat (limited to 'gdb/config/i386')
| -rw-r--r-- | gdb/config/i386/tm-go32.h | 182 | ||||
| -rw-r--r-- | gdb/config/i386/tm-i386.h | 10 |
2 files changed, 29 insertions, 163 deletions
diff --git a/gdb/config/i386/tm-go32.h b/gdb/config/i386/tm-go32.h index 5793552..3db97f9 100644 --- a/gdb/config/i386/tm-go32.h +++ b/gdb/config/i386/tm-go32.h @@ -18,108 +18,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include "i386/tm-i386v.h" - -/* Number of machine registers. */ - -#undef NUM_FREGS -#define NUM_FREGS 15 -#undef NUM_REGS -#define NUM_REGS (16+NUM_FREGS) - -/* Initializer for an array of names of registers. There should be - NUM_REGS strings in this initializer. */ - -/* The order of the first 8 registers must match the compiler's - numbering scheme (which is the same as the 386 scheme). */ - -#undef REGISTER_NAMES -#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \ - "esp", "ebp", "esi", "edi", \ - "eip", "eflags","cs", "ss", \ - "ds", "es", "fs", "gs", \ - "st0", "st1", "st2", "st3", \ - "st4", "st5", "st6", "st7", \ - "fctrl","fstat", "ftag", "fcs", \ - "fopsel","fip", "fopoff" } - -#undef FP_REGNUM -#define FP_REGNUM 5 /* (ebp) Contains addr of stack frame */ -#undef SP_REGNUM -#define SP_REGNUM 4 /* (usp) Contains address of top of stack */ -#undef PS_REGNUM -#define PS_REGNUM 9 /* (ps) Contains processor status */ -#undef PC_REGNUM -#define PC_REGNUM 8 /* (eip) Contains program counter */ -#undef FP0_REGNUM -#define FP0_REGNUM 16 /* Floating point register 0 */ -#undef FPC_REGNUM -#define FPC_REGNUM 24 /* 80387 control register */ -#undef FPCWD_REGNUM -#define FPCWD_REGNUM FPC_REGNUM -#undef FPSWD_REGNUM -#define FPSWD_REGNUM 25 /* 80387 status register */ -#undef FPTWD_REGNUM -#define FPTWD_REGNUM 26 /* 80387 tag register */ -#undef FPIPO_REGNUM -#define FPIPO_REGNUM 29 /* 80387 instruction pointer offset reg */ -#undef FPIPS_REGNUM -#define FPIPS_REGNUM 27 /* 80387 instruction pointer selector reg */ -#undef FPOOS_REGNUM -#define FPOOS_REGNUM 30 /* 80387 operand pointer offset reg */ -#undef FPOPS_REGNUM -#define FPOPS_REGNUM 28 /* 80387 operand pointer selector reg */ - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. */ - -#undef REGISTER_BYTES -#define REGISTER_BYTES (10*4 + 6*2 + 8*10 + 5*2 + 2*4) - -/* Index within `registers' of the first byte of the space for - register N. */ - -#undef REGISTER_BYTE -#define REGBYTE_0 0 -#define REGBYTE_10 (REGBYTE_0+10*4) -#define REGBYTE_16 (REGBYTE_10+6*2) -#define REGBYTE_24 (REGBYTE_16+8*10) -#define REGBYTE_29 (REGBYTE_24+5*2) -#define REGISTER_BYTE(N) (((N) < 10) ? (N) * 4 : \ - (N) < 16 ? REGBYTE_10 +((N) - 10) * 2 : \ - (N) < 24 ? REGBYTE_16 +((N) - 16) * 10 : \ - (N) < 29 ? REGBYTE_24 +((N) - 24) * 2 : \ - REGBYTE_29 + ((N) - 29) * 4) - -/* Number of bytes of storage in the actual machine representation - for register N. */ - -#undef REGISTER_RAW_SIZE -#define REGISTER_RAW_SIZE(N) ((N) < 10 ? 4 : (N) < 16 ? 2 : (N) < 24 ? 10 : \ - (N) < 29 ? 2 : 4) - -/* Number of bytes of storage in the program's representation - for register N. */ - -#undef REGISTER_VIRTUAL_SIZE -#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#undef MAX_REGISTER_RAW_SIZE -#define MAX_REGISTER_RAW_SIZE 10 - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ - -#undef MAX_REGISTER_VIRTUAL_SIZE -#define MAX_REGISTER_VIRTUAL_SIZE 10 - -/* Nonzero if register N requires conversion - from raw format to virtual format. */ - -#undef REGISTER_CONVERTIBLE -#define REGISTER_CONVERTIBLE(N) ((N) < FP0_REGNUM ? 0 :\ - (N) < FPC_REGNUM ? 1 : 0) +#undef HAVE_SSE_REGS /* FIXME! go32-nat.c needs to support XMMi registers */ +#define HAVE_I387_REGS + +#include "i386/tm-i386.h" /* The host and target are i386 machines and the compiler supports long doubles. Long doubles on the host therefore have the same @@ -142,70 +44,34 @@ extern int i387_hex_long_double_input (char *p, long double *putithere); +#ifdef LD_I387 /* otherwise, definitions from tm-i386.h are good enough */ + #undef REGISTER_CONVERT_TO_VIRTUAL -#ifdef LD_I387 -#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \ -{ \ - if (TYPE == REGISTER_VIRTUAL_TYPE (REGNUM)) \ - { \ - memcpy (TO, FROM, TYPE_LENGTH (TYPE)); \ - } \ - else \ - { \ - long double val = *((long double *)FROM); \ - store_floating ((TO), TYPE_LENGTH (TYPE), val); \ - } \ +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \ +{ \ + long double val = *((long double *)(FROM)); \ + store_floating ((TO), TYPE_LENGTH (TYPE), val); \ } -#else -/* Convert data from raw format for register REGNUM in buffer FROM to - virtual format with type TYPE in buffer TO. */ -#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \ -{ \ - double val; \ - i387_to_double ((FROM), (char *)&val); \ - store_floating ((TO), TYPE_LENGTH (TYPE), val); \ -} -#endif - -extern void i387_to_double PARAMS ((char *, char *)); #undef REGISTER_CONVERT_TO_RAW -#ifdef LD_I387 -#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \ -{ \ - if (TYPE == REGISTER_VIRTUAL_TYPE (REGNUM)) \ - { \ - memcpy (TO, FROM, TYPE_LENGTH (TYPE)); \ - } \ - else \ - { \ - long double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \ - *((long double *)TO) = val; \ - } \ -} -#else -#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \ -{ \ - double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \ - double_to_i387((char *)&val, (TO)); \ +#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \ +{ \ + long double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \ + *((long double *)(TO)) = val; \ } -#endif -extern void double_to_i387 PARAMS ((char *, char *)); +/* Return the GDB type object for the "standard" data type of data in + register N. Perhaps si and di should go here, but potentially they + could be used for things other than address. */ -/* Return the GDB type object for the "standard" data type of data in - register N. */ +#define REGISTER_VIRTUAL_TYPE(N) \ + (((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM) \ + ? lookup_pointer_type (builtin_type_void) \ + : IS_FP_REGNUM(N) ? builtin_type_long_double \ + : IS_SSE_REGNUM(N) ? builtin_type_v4sf \ + : builtin_type_int) -#undef REGISTER_VIRTUAL_TYPE -#ifdef LD_I387 -#define REGISTER_VIRTUAL_TYPE(N) \ - ((N < FP0_REGNUM) ? builtin_type_int : \ - (N < FPC_REGNUM) ? builtin_type_long_double : builtin_type_int) -#else -#define REGISTER_VIRTUAL_TYPE(N) \ - ((N < FP0_REGNUM) ? builtin_type_int : \ - (N < FPC_REGNUM) ? builtin_type_double : builtin_type_int) -#endif +#endif /* LD_I387 */ #undef TARGET_LONG_DOUBLE_BIT #define TARGET_LONG_DOUBLE_BIT 96 diff --git a/gdb/config/i386/tm-i386.h b/gdb/config/i386/tm-i386.h index 9f4aaed..efc3f41 100644 --- a/gdb/config/i386/tm-i386.h +++ b/gdb/config/i386/tm-i386.h @@ -148,11 +148,11 @@ extern int i386_skip_prologue PARAMS ((int)); #define FP0_REGNUM 16 /* first FPU floating-point register */ #define FP7_REGNUM 23 /* last FPU floating-point register */ -/* All of these control registers are sixteen bits long (at most) in - the FPU, but are zero-extended to thirty-two bits in GDB's register - file. This makes it easier to compute the size of the control - register file, and somewhat easier to convert to and from the FSAVE - instruction's 32-bit format. */ +/* All of these control registers (except for FCOFF and FDOFF) are + sixteen bits long (at most) in the FPU, but are zero-extended to + thirty-two bits in GDB's register file. This makes it easier to + compute the size of the control register file, and somewhat easier + to convert to and from the FSAVE instruction's 32-bit format. */ #define FIRST_FPU_CTRL_REGNUM 24 #define FCTRL_REGNUM 24 /* FPU control word */ #define FPC_REGNUM 24 /* old name for FCTRL_REGNUM */ |