/* Definitions to make GDB run on an Alpha box under OSF1. This is
also used by the Alpha/Netware and Alpha/Linux targets.
- Copyright 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002
+ Free Software Foundation, Inc.
This file is part of GDB.
#ifndef TM_ALPHA_H
#define TM_ALPHA_H
+#include "regcache.h"
#include "bfd.h"
#include "coff/sym.h" /* Needed for PDR below. */
#include "coff/symconst.h"
struct symbol;
#if !defined (TARGET_BYTE_ORDER)
-#define TARGET_BYTE_ORDER LITTLE_ENDIAN
+#define TARGET_BYTE_ORDER BFD_ENDIAN_LITTLE
#endif
/* Redefine some target bit sizes from the default. */
/* Are we currently handling a signal ? */
-#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("__sigtramp", (name)))
+#define IN_SIGTRAMP(pc, name) alpha_osf_in_sigtramp ((pc), (name))
+extern int alpha_osf_in_sigtramp (CORE_ADDR, char *);
/* Stack grows downward. */
-#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
+#define INNER_THAN(lhs,rhs) core_addr_lessthan ((lhs), (rhs))
#define BREAKPOINT {0x80, 0, 0, 0} /* call_pal bpt */
#define NUM_REGS 66
-/* Initializer for an array of names of registers.
- There should be NUM_REGS strings in this initializer. */
-
-#define REGISTER_NAMES \
- { "v0", "t0", "t1", "t2", "t3", "t4", "t5", "t6", \
- "t7", "s0", "s1", "s2", "s3", "s4", "s5", "fp", \
- "a0", "a1", "a2", "a3", "a4", "a5", "t8", "t9", \
- "t10", "t11", "ra", "t12", "at", "gp", "sp", "zero", \
- "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
- "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
- "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\
- "f24", "f25", "f26", "f27", "f28", "f29", "f30", "fpcr",\
- "pc", "vfp", \
- }
+
+/* Return the name of register REGNO. */
+
+#define REGISTER_NAME(regno) alpha_register_name ((regno))
+extern char *alpha_register_name (int);
+
/* Register numbers of various important registers.
Note that most of these values are "real" register numbers,
#define FP_REGNUM 65 /* Virtual frame pointer */
#define CANNOT_FETCH_REGISTER(regno) \
- ((regno) == FP_REGNUM || (regno) == ZERO_REGNUM)
+ alpha_cannot_fetch_register ((regno))
+extern int alpha_cannot_fetch_register (int);
+
#define CANNOT_STORE_REGISTER(regno) \
- ((regno) == FP_REGNUM || (regno) == ZERO_REGNUM)
+ alpha_cannot_store_register ((regno))
+extern int alpha_cannot_store_register (int);
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
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) ((N) >= FP0_REGNUM && (N) < FP0_REGNUM + 31)
+#define REGISTER_CONVERTIBLE(N) alpha_register_convertible ((N))
+extern int alpha_register_convertible (int);
/* Convert data from raw format for register REGNUM in buffer FROM
to virtual format with type TYPE in buffer TO. */
/* Return the GDB type object for the "standard" data type
of data in register N. */
-#define REGISTER_VIRTUAL_TYPE(N) \
- (((N) >= FP0_REGNUM && (N) < FP0_REGNUM+31) \
- ? builtin_type_double : builtin_type_long) \
+#define REGISTER_VIRTUAL_TYPE(N) alpha_register_virtual_type ((N))
+extern struct type * alpha_register_virtual_type (int);
/* Store the address of the place in which to copy the structure the
subroutine will return. Handled by alpha_push_arguments. */
-#define STORE_STRUCT_RETURN(addr, sp)
+#define STORE_STRUCT_RETURN(addr, sp) \
+ alpha_store_struct_return ((addr), (sp))
+extern void alpha_store_struct_return (CORE_ADDR, CORE_ADDR);
/**/
/* Extract from an array REGBUF containing the (raw) register state
on it. */
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- (extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \
- REGISTER_RAW_SIZE (V0_REGNUM)))
+ alpha_extract_struct_value_address (REGBUF)
+extern CORE_ADDR alpha_extract_struct_value_address (char *);
/* Structures are returned by ref in extra arg0 */
-#define USE_STRUCT_CONVENTION(gcc_p, type) 1
+#define USE_STRUCT_CONVENTION(gcc_p, type) \
+ alpha_use_struct_convention ((gcc_p), (type))
+extern int alpha_use_struct_convention (int, struct type *);
\f
/* Describe the pointer in each stack frame to the previous stack frame
/* FRAME_CHAIN takes a frame's nominal address
and produces the frame's chain-pointer. */
-#define FRAME_CHAIN(thisframe) (CORE_ADDR) alpha_frame_chain (thisframe)
+#define FRAME_CHAIN(thisframe) alpha_frame_chain (thisframe)
extern CORE_ADDR alpha_frame_chain (struct frame_info *);
/* Define other aspects of the stack frame. */
#define ALPHA_NUM_ARG_REGS 6
-#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame - (ALPHA_NUM_ARG_REGS * 8))
+#define FRAME_ARGS_ADDRESS(fi) alpha_frame_args_address ((fi))
+extern CORE_ADDR alpha_frame_args_address (struct frame_info *);
-#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame - (fi)->localoff)
+#define FRAME_LOCALS_ADDRESS(fi) alpha_frame_locals_address ((fi))
+extern CORE_ADDR alpha_frame_locals_address (struct frame_info *);
/* Return number of args passed to a frame.
Can return -1, meaning no way to tell. */
ways in the stack frame. sp is even more special:
the address we return for it IS the sp for the next frame. */
-extern void alpha_find_saved_regs (struct frame_info *);
-
#define FRAME_INIT_SAVED_REGS(frame_info) \
- do { \
- if ((frame_info)->saved_regs == NULL) \
- alpha_find_saved_regs (frame_info); \
- (frame_info)->saved_regs[SP_REGNUM] = (frame_info)->frame; \
- } while (0)
+ alpha_frame_init_saved_regs (frame_info)
+extern void alpha_frame_init_saved_regs (struct frame_info *);
\f
/* Things needed for making the inferior call functions. */
We only have to set RA_REGNUM to the dummy breakpoint address
and T12_REGNUM (the `procedure value register') to the function address. */
-#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
-{ \
- CORE_ADDR bp_address = CALL_DUMMY_ADDRESS (); \
- if (bp_address == 0) \
- error ("no place to put call"); \
- write_register (RA_REGNUM, bp_address); \
- write_register (T12_REGNUM, fun); \
-}
+#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
+ alpha_fix_call_dummy ((dummyname), (pc), (fun), (nargs), (args), \
+ (type), (gcc_p))
+extern void alpha_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
+ struct value **, struct type *, int);
/* There's a mess in stack frame creation. See comments in blockframe.c
near reference to INIT_FRAME_PC_FIRST. */
-#define INIT_FRAME_PC(fromleaf, prev) /* nada */
+#define INIT_FRAME_PC(fromleaf, prev) init_frame_pc_noop ((fromleaf), (prev))
#define INIT_FRAME_PC_FIRST(fromleaf, prev) \
- (prev)->pc = ((fromleaf) ? SAVED_PC_AFTER_CALL ((prev)->next) : \
- (prev)->next ? FRAME_SAVED_PC ((prev)->next) : read_pc ());
+ alpha_init_frame_pc_first ((fromleaf), (prev))
+extern void alpha_init_frame_pc_first (int, struct frame_info *);
/* Special symbol found in blocks associated with routines. We can hang
alpha_extra_func_info_t's off of this. */
#define mips_extra_func_info alpha_extra_func_info
#define mips_extra_func_info_t alpha_extra_func_info_t
-#define EXTRA_FRAME_INFO \
- int localoff; \
- int pc_reg; \
- alpha_extra_func_info_t proc_desc;
-#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
-extern void init_extra_frame_info (struct frame_info *);
+#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) \
+ alpha_init_extra_frame_info(fromleaf, fci)
+extern void alpha_init_extra_frame_info (int, struct frame_info *);
+
+#define PRINT_EXTRA_FRAME_INFO(fi) alpha_print_extra_frame_info ((fi))
+extern void alpha_print_extra_frame_info (struct frame_info *);
-#define PRINT_EXTRA_FRAME_INFO(fi) \
- { \
- if (fi && fi->proc_desc && fi->proc_desc->pdr.framereg < NUM_REGS) \
- printf_filtered (" frame pointer is at %s+%ld\n", \
- REGISTER_NAME (fi->proc_desc->pdr.framereg), \
- fi->proc_desc->pdr.frameoffset); \
- }
/* It takes two values to specify a frame on the ALPHA. Sigh.
extern CORE_ADDR alpha_osf_skip_sigtramp_frame (struct frame_info *,
CORE_ADDR);
+/* Single step based on where the current instruction will take us. */
+extern void alpha_software_single_step (enum target_signal, int);
+
#endif /* TM_ALPHA_H */
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