/* Redefine some target bit sizes from the default. */
-#undef TARGET_LONG_BIT
#define TARGET_LONG_BIT 64
-#undef TARGET_LONG_LONG_BIT
#define TARGET_LONG_LONG_BIT 64
-#undef TARGET_PTR_BIT
#define TARGET_PTR_BIT 64
/* Floating point is IEEE compliant */
#define MAX_REGISTER_VIRTUAL_SIZE 8
/* Nonzero if register N requires conversion
- from raw format to virtual format. */
+ from raw format to virtual format.
+ The alpha needs a conversion between register and memory format if
+ the register is a floating point register and
+ memory format is float, as the register format must be double
+ or
+ memory format is an integer with 4 bytes or less, as the representation
+ of integers in floating point registers is different. */
-#define REGISTER_CONVERTIBLE(N) 0
+#define REGISTER_CONVERTIBLE(N) ((N) >= FP0_REGNUM && (N) < FP0_REGNUM + 32)
-/* Convert data from raw format for register REGNUM
- to virtual format for register REGNUM. */
+/* 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,FROM,TO) \
- memcpy ((TO), (FROM), 8);
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM, TYPE, FROM, TO) \
+ alpha_register_convert_to_virtual (REGNUM, TYPE, FROM, TO)
+#ifdef __STDC__
+struct type;
+#endif
+extern void
+alpha_register_convert_to_virtual PARAMS ((int, struct type *, char *, char *));
-/* Convert data from virtual format for register REGNUM
- to raw format for register REGNUM. */
+/* Convert data from virtual format with type TYPE in buffer FROM
+ to raw format for register REGNUM in buffer TO. */
-#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
- memcpy ((TO), (FROM), 8);
+#define REGISTER_CONVERT_TO_RAW(TYPE, REGNUM, FROM, TO) \
+ alpha_register_convert_to_raw (TYPE, REGNUM, FROM, TO)
+extern void
+alpha_register_convert_to_raw PARAMS ((struct type *, int, char *, char *));
/* Return the GDB type object for the "standard" data type
of data in register N. */
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
alpha_extract_return_value(TYPE, REGBUF, VALBUF)
-#ifdef __STDC__
-struct type;
-#endif
extern void
alpha_extract_return_value PARAMS ((struct type *, char *, char *));
extern CORE_ADDR
alpha_frame_saved_pc PARAMS ((struct frame_info *));
-/* The offsets for the arguments and locals are off a virtual pointer
- to the argument transfer area. The argument transfer area is immediately
- below the virtual frame pointer, its size is in localoff from the PDR. */
+/* The alpha has two different virtual pointers for arguments and locals.
+
+ The virtual argument pointer is pointing to the bottom of the argument
+ transfer area, which is located immediately below the virtual frame
+ pointer. Its size is fixed for the native compiler, it is either zero
+ (for the no arguments case) or large enough to hold all argument registers.
+ gcc uses a variable sized argument transfer area. As it has
+ to stay compatible with the native debugging tools it has to use the same
+ virtual argument pointer and adjust the argument offsets accordingly.
+
+ The virtual local pointer is localoff bytes below the virtual frame
+ pointer, the value of localoff is obtained from the PDR. */
+
+#define ALPHA_NUM_ARG_REGS 6
-#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame - (fi)->localoff)
+#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame - (ALPHA_NUM_ARG_REGS * 8))
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame - (fi)->localoff)
#include "ansidecl.h"
/* An address in the program being debugged. Host byte order. */
+#ifndef CORE_ADDR_TYPE
typedef unsigned int CORE_ADDR;
+#else
+typedef CORE_ADDR_TYPE CORE_ADDR;
+#endif
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
extern void
reinitialize_more_filter PARAMS ((void));
+typedef FILE GDB_FILE;
+#define gdb_stdout stdout
+#define gdb_stderr stderr
+
extern int
-print_insn PARAMS ((CORE_ADDR, FILE *));
+print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
+
+extern void
+gdb_flush PARAMS ((GDB_FILE *));
+
+extern GDB_FILE *
+gdb_fopen PARAMS ((char * name, char * mode));
+
+extern void
+fputs_filtered PARAMS ((const char *, GDB_FILE *));
+
+extern void
+fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
extern void
-fputs_filtered PARAMS ((const char *, FILE *));
+fputc_unfiltered PARAMS ((int, GDB_FILE *));
+
+extern void
+putc_unfiltered PARAMS ((int));
+
+#define putchar_unfiltered(C) putc_unfiltered(C)
extern void
puts_filtered PARAMS ((char *));
+extern void
+puts_unfiltered PARAMS ((char *));
+
extern void
vprintf_filtered ();
printfi_filtered ();
extern void
-print_spaces PARAMS ((int, FILE *));
+vprintf_unfiltered ();
+
+extern void
+vfprintf_unfiltered ();
+
+extern void
+fprintf_unfiltered ();
extern void
-print_spaces_filtered PARAMS ((int, FILE *));
+printf_unfiltered ();
+
+extern void
+print_spaces PARAMS ((int, GDB_FILE *));
+
+extern void
+print_spaces_filtered PARAMS ((int, GDB_FILE *));
extern char *
n_spaces PARAMS ((int));
extern void
-gdb_printchar PARAMS ((int, FILE *, int));
+gdb_printchar PARAMS ((int, GDB_FILE *, int));
extern void
-fprintf_symbol_filtered PARAMS ((FILE *, char *, enum language, int));
+fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, enum language, int));
extern void
perror_with_name PARAMS ((char *));
set_next_address PARAMS ((CORE_ADDR));
extern void
-print_address_symbolic PARAMS ((CORE_ADDR, FILE *, int, char *));
+print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, char *));
extern void
-print_address PARAMS ((CORE_ADDR, FILE *));
+print_address PARAMS ((CORE_ADDR, GDB_FILE *));
/* From source.c */
#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
#endif
-/* Number of bits in a char or unsigned char for the target machine.
- Just like CHAR_BIT in <limits.h> but describes the target machine. */
-#if !defined (TARGET_CHAR_BIT)
-#define TARGET_CHAR_BIT 8
-#endif
-
-/* Number of bits in a short or unsigned short for the target machine. */
-#if !defined (TARGET_SHORT_BIT)
-#define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT)
-#endif
-
-/* Number of bits in an int or unsigned int for the target machine. */
-#if !defined (TARGET_INT_BIT)
-#define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT)
-#endif
-
-/* Number of bits in a long or unsigned long for the target machine. */
-#if !defined (TARGET_LONG_BIT)
-#define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT)
-#endif
-
-/* Number of bits in a long long or unsigned long long for the target machine. */
-#if !defined (TARGET_LONG_LONG_BIT)
-#define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
-#endif
-
-/* Number of bits in a float for the target machine. */
-#if !defined (TARGET_FLOAT_BIT)
-#define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT)
-#endif
-
-/* Number of bits in a double for the target machine. */
-#if !defined (TARGET_DOUBLE_BIT)
-#define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT)
-#endif
-
-/* Number of bits in a long double for the target machine. */
-#if !defined (TARGET_LONG_DOUBLE_BIT)
-#define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
-#endif
-
-/* Number of bits in a "complex" for the target machine. */
-#if !defined (TARGET_COMPLEX_BIT)
-#define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
-#endif
-
-/* Number of bits in a "double complex" for the target machine. */
-#if !defined (TARGET_DOUBLE_COMPLEX_BIT)
-#define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
-#endif
-
-/* Number of bits in a pointer for the target machine */
-#if !defined (TARGET_PTR_BIT)
-#define TARGET_PTR_BIT TARGET_INT_BIT
-#endif
-
/* Default to support for "long long" if the host compiler being used is gcc.
Config files must define CC_HAS_LONG_LONG to use other host compilers
that are capable of supporting "long long", and to cause gdb to use that
# endif
#endif
-/* If we picked up a copy of CHAR_BIT from a configuration file
- (which may get it by including <limits.h>) then use it to set
- the number of bits in a host char. If not, use the same size
- as the target. */
-
-#if defined (CHAR_BIT)
-#define HOST_CHAR_BIT CHAR_BIT
-#else
-#define HOST_CHAR_BIT TARGET_CHAR_BIT
-#endif
-
/* Assorted functions we can declare, now that const and volatile are
defined. */
#endif
extern int
-fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */
+fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */
extern void
perror PARAMS ((const char *)); /* 4.9.10.4 */
#include "tm.h"
+/* Number of bits in a char or unsigned char for the target machine.
+ Just like CHAR_BIT in <limits.h> but describes the target machine. */
+#if !defined (TARGET_CHAR_BIT)
+#define TARGET_CHAR_BIT 8
+#endif
+
+/* Number of bits in a short or unsigned short for the target machine. */
+#if !defined (TARGET_SHORT_BIT)
+#define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in an int or unsigned int for the target machine. */
+#if !defined (TARGET_INT_BIT)
+#define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long or unsigned long for the target machine. */
+#if !defined (TARGET_LONG_BIT)
+#define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long long or unsigned long long for the target machine. */
+#if !defined (TARGET_LONG_LONG_BIT)
+#define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
+#endif
+
+/* Number of bits in a float for the target machine. */
+#if !defined (TARGET_FLOAT_BIT)
+#define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a double for the target machine. */
+#if !defined (TARGET_DOUBLE_BIT)
+#define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long double for the target machine. */
+#if !defined (TARGET_LONG_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
+#endif
+
+/* Number of bits in a "complex" for the target machine. */
+#if !defined (TARGET_COMPLEX_BIT)
+#define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
+#endif
+
+/* Number of bits in a "double complex" for the target machine. */
+#if !defined (TARGET_DOUBLE_COMPLEX_BIT)
+#define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
+#endif
+
+/* Number of bits in a pointer for the target machine */
+#if !defined (TARGET_PTR_BIT)
+#define TARGET_PTR_BIT TARGET_INT_BIT
+#endif
+
+/* If we picked up a copy of CHAR_BIT from a configuration file
+ (which may get it by including <limits.h>) then use it to set
+ the number of bits in a host char. If not, use the same size
+ as the target. */
+
+#if defined (CHAR_BIT)
+#define HOST_CHAR_BIT CHAR_BIT
+#else
+#define HOST_CHAR_BIT TARGET_CHAR_BIT
+#endif
+
/* The bit byte-order has to do just with numbering of bits in
debugging symbols and such. Conceptually, it's quite separate
from byte/word byte order. */
#endif /* Little endian. */
#endif /* BITS_BIG_ENDIAN not defined. */
-/* Swap LEN bytes at BUFFER between target and host byte-order. This is
- the wrong way to do byte-swapping because it assumes that you have a way
- to have a host variable of exactly the right size.
- extract_* are the right way. */
-#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
-#define SWAP_TARGET_AND_HOST(buffer,len)
-#else /* Target and host byte order differ. */
-#define SWAP_TARGET_AND_HOST(buffer,len) \
- { \
- char tmp; \
- char *p = (char *)(buffer); \
- char *q = ((char *)(buffer)) + len - 1; \
- for (; p < q; p++, q--) \
- { \
- tmp = *q; \
- *q = *p; \
- *p = tmp; \
- } \
- }
-#endif /* Target and host byte order differ. */
-
/* In findvar.c. */
LONGEST extract_signed_integer PARAMS ((void *, int));
unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
void store_signed_integer PARAMS ((void *, int, LONGEST));
void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
void store_address PARAMS ((void *, int, CORE_ADDR));
+
+double extract_floating PARAMS ((void *, int));
+void store_floating PARAMS ((void *, int, double));
\f
/* On some machines there are bits in addresses which are not really
part of the address, but are used by the kernel, the hardware, etc.
for special purposes. ADDR_BITS_REMOVE takes out any such bits
so we get a "real" address such as one would find in a symbol
- table. ADDR_BITS_SET sets those bits the way the system wants
- them. This is used only for addresses of instructions, and even then
+ table. This is used only for addresses of instructions, and even then
I'm not sure it's used in all contexts. It exists to deal with there
being a few stray bits in the PC which would mislead us, not as some sort
- of generic thing to handle alignment or segmentation. */
+ of generic thing to handle alignment or segmentation (it's possible it
+ should be in TARGET_READ_PC instead). */
#if !defined (ADDR_BITS_REMOVE)
#define ADDR_BITS_REMOVE(addr) (addr)
-#define ADDR_BITS_SET(addr) (addr)
#endif /* No ADDR_BITS_REMOVE. */
/* From valops.c */
projects / binutils-gdb.git / commitdiff