/* Definitions to make GDB run on an Alpha box under OSF1. This is
- also used by the Alpha/Netware and Alpha GNU/Linux targets.
+ also used by the Alpha GNU/Linux target.
- Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002 Free
- Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2004, 2007
+ Free Software Foundation, Inc.
This file is part of GDB.
#ifndef TM_ALPHA_H
#define TM_ALPHA_H
-#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
-
-#include "regcache.h"
-#include "bfd.h"
-#include "coff/sym.h" /* Needed for PDR below. */
-#include "coff/symconst.h"
-
-struct frame_info;
-struct type;
-struct value;
-struct symbol;
-
-/* Number of traps that happen between exec'ing the shell
- * to run an inferior, and when we finally get to
- * the inferior code. This is 2 on most implementations.
- */
-#define START_INFERIOR_TRAPS_EXPECTED 3
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-
-#define FUNCTION_START_OFFSET 0
-
-/* Are we currently handling a signal ? */
-
-#define IN_SIGTRAMP(pc, name) alpha_osf_in_sigtramp ((pc), (name))
-extern int alpha_osf_in_sigtramp (CORE_ADDR, char *);
-
-#define BREAKPOINT {0x80, 0, 0, 0} /* call_pal bpt */
-
-/* Special symbol found in blocks associated with routines. We can hang
- alpha_extra_func_info_t's off of this. */
-
-#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
-extern void ecoff_relocate_efi (struct symbol *, CORE_ADDR);
-
#define RA_REGNUM 26 /* XXXJRT needed by mdebugread.c */
-/* Specific information about a procedure.
- This overlays the ALPHA's PDR records,
- alpharead.c (ab)uses this to save memory */
-
-typedef struct alpha_extra_func_info
- {
- long numargs; /* number of args to procedure (was iopt) */
- PDR pdr; /* Procedure descriptor record */
- }
- *alpha_extra_func_info_t;
-
-/* Define the extra_func_info that mipsread.c needs.
- FIXME: We should define our own PDR interface, perhaps in a separate
- header file. This would get rid of the <bfd.h> inclusion in all sources
- and would abstract the mips/alpha interface from ecoff. */
-#define mips_extra_func_info alpha_extra_func_info
-#define mips_extra_func_info_t alpha_extra_func_info_t
-
-
-#define PRINT_EXTRA_FRAME_INFO(fi) alpha_print_extra_frame_info ((fi))
-extern void alpha_print_extra_frame_info (struct frame_info *);
-
-
-/* It takes two values to specify a frame on the ALPHA. Sigh.
-
- In fact, at the moment, the *PC* is the primary value that sets up
- a frame. The PC is looked up to see what function it's in; symbol
- information from that function tells us which register is the frame
- pointer base, and what offset from there is the "virtual frame pointer".
- (This is usually an offset from SP.) FIXME -- this should be cleaned
- up so that the primary value is the SP, and the PC is used to disambiguate
- multiple functions with the same SP that are at different stack levels. */
-
-#define SETUP_ARBITRARY_FRAME(argc, argv) \
- alpha_setup_arbitrary_frame (argc, argv)
-extern struct frame_info *alpha_setup_arbitrary_frame (int, CORE_ADDR *);
-
-/* If PC is in a shared library trampoline code, return the PC
- where the function itself actually starts. If not, return 0. */
-#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
-
-/* If the current gcc for for this target does not produce correct debugging
- information for float parameters, both prototyped and unprototyped, then
- define this macro. This forces gdb to always assume that floats are
- passed as doubles and then converted in the callee.
-
- For the alpha, it appears that the debug info marks the parameters as
- floats regardless of whether the function is prototyped, but the actual
- values are always passed in as doubles. Thus by setting this to 1, both
- types of calls will work. */
-
-#define COERCE_FLOAT_TO_DOUBLE(formal, actual) \
- standard_coerce_float_to_double ((formal), (actual))
-
-/* Return TRUE if procedure descriptor PROC is a procedure descriptor
- that refers to a dynamically generated sigtramp function.
-
- OSF/1 doesn't use dynamic sigtramp functions, so this is always
- FALSE. */
-
-#define PROC_DESC_IS_DYN_SIGTRAMP(proc) (0)
-#define SET_PROC_DESC_IS_DYN_SIGTRAMP(proc)
-
-/* If PC is inside a dynamically generated sigtramp function, return
- how many bytes the program counter is beyond the start of that
- function. Otherwise, return a negative value.
-
- OSF/1 doesn't use dynamic sigtramp functions, so this always
- returns -1. */
-
-#define DYNAMIC_SIGTRAMP_OFFSET(pc) (-1)
-
-/* Translate a signal handler frame into the address of the sigcontext
- structure. */
-
-#define SIGCONTEXT_ADDR(frame) \
- (read_memory_integer ((frame)->next ? frame->next->frame : frame->frame, 8))
-
-/* If FRAME refers to a sigtramp frame, return the address of the next
- frame. */
-
-#define FRAME_PAST_SIGTRAMP_FRAME(frame, pc) \
- (alpha_osf_skip_sigtramp_frame (frame, pc))
-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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