/* Parameters for execution on any Hewlett-Packard PA-RISC machine.
Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1998, 1999, 2000 Free Software Foundation, Inc.
+ 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by the Center for Software Science at the
University of Utah (pa-gdb-bugs@cs.utah.edu).
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include "regcache.h"
+
+/* Wonder if this is correct? Should be using push_dummy_call(). */
+#define DEPRECATED_DUMMY_WRITE_SP(SP) generic_target_write_sp (SP)
+
+#define GDB_MULTI_ARCH 0
+
+/* NOTE: cagney/2002-11-24: This is a guess. */
+#define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0
+#define CALL_DUMMY_LOCATION ON_STACK
+#define DEPRECATED_PC_IN_CALL_DUMMY(pc, sp, frame_address) deprecated_pc_in_call_dummy_on_stack (pc, sp, frame_address)
+#define DEPRECATED_INIT_FRAME_PC(l,f) (init_frame_pc_default (l, f))
+
/* Forward declarations of some types we use in prototypes */
struct frame_info;
struct type;
struct inferior_status;
-/* Target system byte order. */
-
-#define TARGET_BYTE_ORDER BIG_ENDIAN
-
/* By default assume we don't have to worry about software floating point. */
#ifndef SOFT_FLOAT
#define SOFT_FLOAT 0
((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
#endif
-/* Watch out for NaNs */
-
-#define IEEE_FLOAT (1)
-
-/* On the PA, any pass-by-value structure > 8 bytes is actually
- passed via a pointer regardless of its type or the compiler
- used. */
-
-#define REG_STRUCT_HAS_ADDR(gcc_p,type) \
- (TYPE_LENGTH (type) > 8)
+#if !GDB_MULTI_ARCH
+extern int hppa_reg_struct_has_addr (int gcc_p, struct type *type);
+#define REG_STRUCT_HAS_ADDR(gcc_p,type) hppa_reg_struct_has_addr (gcc_p,type)
+#endif
/* Offset from address of function to start of its code.
Zero on most machines. */
+#if !GDB_MULTI_ARCH
#define FUNCTION_START_OFFSET 0
+#endif
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
+#if !GDB_MULTI_ARCH
extern CORE_ADDR hppa_skip_prologue (CORE_ADDR);
#define SKIP_PROLOGUE(pc) (hppa_skip_prologue (pc))
+#endif
/* If PC is in some function-call trampoline code, return the PC
where the function itself actually starts. If not, return NULL. */
-#define SKIP_TRAMPOLINE_CODE(pc) skip_trampoline_code (pc, NULL)
-extern CORE_ADDR skip_trampoline_code (CORE_ADDR, char *);
+#if !GDB_MULTI_ARCH
+#define SKIP_TRAMPOLINE_CODE(pc) hppa_skip_trampoline_code (pc)
+extern CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR);
+#endif
/* Return non-zero if we are in an appropriate trampoline. */
+#if !GDB_MULTI_ARCH
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
- in_solib_call_trampoline (pc, name)
-extern int in_solib_call_trampoline (CORE_ADDR, char *);
+ hppa_in_solib_call_trampoline (pc, name)
+extern int hppa_in_solib_call_trampoline (CORE_ADDR, char *);
+#endif
+#if !GDB_MULTI_ARCH
#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
- in_solib_return_trampoline (pc, name)
-extern int in_solib_return_trampoline (CORE_ADDR, char *);
-
-/* Immediately after a function call, return the saved pc.
- Can't go through the frames for this because on some machines
- the new frame is not set up until the new function executes
- some instructions. */
+ hppa_in_solib_return_trampoline (pc, name)
+extern int hppa_in_solib_return_trampoline (CORE_ADDR, char *);
+#endif
+#if !GDB_MULTI_ARCH
#undef SAVED_PC_AFTER_CALL
-#define SAVED_PC_AFTER_CALL(frame) saved_pc_after_call (frame)
-extern CORE_ADDR saved_pc_after_call (struct frame_info *);
-
-/* Stack grows upward */
-#define INNER_THAN(lhs,rhs) ((lhs) > (rhs))
+#define SAVED_PC_AFTER_CALL(frame) hppa_saved_pc_after_call (frame)
+extern CORE_ADDR hppa_saved_pc_after_call (struct frame_info *);
+#endif
-/* elz: adjust the quantity to the next highest value which is 64-bit aligned.
- This is used in valops.c, when the sp is adjusted.
- On hppa the sp must always be kept 64-bit aligned */
+#if !GDB_MULTI_ARCH
+extern int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs);
+#define INNER_THAN(lhs,rhs) hppa_inner_than(lhs,rhs)
+#endif
-#define STACK_ALIGN(arg) ( ((arg)%8) ? (((arg)+7)&-8) : (arg))
-#define EXTRA_STACK_ALIGNMENT_NEEDED 0
+#if !GDB_MULTI_ARCH
+extern CORE_ADDR hppa_stack_align (CORE_ADDR sp);
+#define STACK_ALIGN(sp) hppa_stack_align (sp)
+#endif
/* Sequence of bytes for breakpoint instruction. */
Not on the PA-RISC */
+#if !GDB_MULTI_ARCH
#define DECR_PC_AFTER_BREAK 0
+#endif
-/* Sometimes we may pluck out a minimal symbol that has a negative
- address.
-
- An example of this occurs when an a.out is linked against a foo.sl.
- The foo.sl defines a global bar(), and the a.out declares a signature
- for bar(). However, the a.out doesn't directly call bar(), but passes
- its address in another call.
-
- If you have this scenario and attempt to "break bar" before running,
- gdb will find a minimal symbol for bar() in the a.out. But that
- symbol's address will be negative. What this appears to denote is
- an index backwards from the base of the procedure linkage table (PLT)
- into the data linkage table (DLT), the end of which is contiguous
- with the start of the PLT. This is clearly not a valid address for
- us to set a breakpoint on.
-
- Note that one must be careful in how one checks for a negative address.
- 0xc0000000 is a legitimate address of something in a shared text
- segment, for example. Since I don't know what the possible range
- is of these "really, truly negative" addresses that come from the
- minimal symbols, I'm resorting to the gross hack of checking the
- top byte of the address for all 1's. Sigh.
- */
-#define PC_REQUIRES_RUN_BEFORE_USE(pc) \
- (! target_has_stack && (pc & 0xFF000000))
-
-/* return instruction is bv r0(rp) or bv,n r0(rp) */
-
-#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 4) | 0x2) == 0xE840C002)
+extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
+#define PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)
/* Say how long (ordinary) registers are. This is a piece of bogosity
used in push_word and a few other places; REGISTER_RAW_SIZE is the
real way to know how big a register is. */
+#if !GDB_MULTI_ARCH
#define REGISTER_SIZE 4
+#endif
/* Number of machine registers */
+#if !GDB_MULTI_ARCH
#define NUM_REGS 128
+#endif
/* Initializer for an array of names of registers.
There should be NUM_REGS strings in this initializer.
other r registers. */
#define FLAGS_REGNUM 0 /* Various status flags */
#define RP_REGNUM 2 /* return pointer */
+#if !GDB_MULTI_ARCH
#define FP_REGNUM 3 /* Contains address of executing stack */
/* frame */
+#endif
+#if !GDB_MULTI_ARCH
#define SP_REGNUM 30 /* Contains address of top of stack */
+#endif
#define SAR_REGNUM 32 /* Shift Amount Register */
#define IPSW_REGNUM 41 /* Interrupt Processor Status Word */
#define PCOQ_HEAD_REGNUM 33 /* instruction offset queue head */
#define CCR_REGNUM 54 /* Coprocessor Configuration Register */
#define TR0_REGNUM 57 /* Temporary Registers (cr24 -> cr31) */
#define CR27_REGNUM 60 /* Base register for thread-local storage, cr27 */
+#if !GDB_MULTI_ARCH
#define FP0_REGNUM 64 /* floating point reg. 0 (fspr) */
+#endif
#define FP4_REGNUM 72
#define ARG0_REGNUM 26 /* The first argument of a callee. */
#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
/* compatibility with the rest of gdb. */
+#if !GDB_MULTI_ARCH
#define PC_REGNUM PCOQ_HEAD_REGNUM
+#endif
+#if !GDB_MULTI_ARCH
#define NPC_REGNUM PCOQ_TAIL_REGNUM
+#endif
/*
* Processor Status Word Masks
clean them up using this macro. BUF is a char pointer to
the raw value of the register in the registers[] array. */
-#define CLEAN_UP_REGISTER_VALUE(regno, buf) \
+#define DEPRECATED_CLEAN_UP_REGISTER_VALUE(regno, buf) \
do { \
if ((regno) == PCOQ_HEAD_REGNUM || (regno) == PCOQ_TAIL_REGNUM) \
(buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
} while (0)
-/* Define DO_REGISTERS_INFO() to do machine-specific formatting
- of register dumps. */
+/* Define DEPRECATED_DO_REGISTERS_INFO() to do machine-specific
+ formatting of register dumps. */
-#define DO_REGISTERS_INFO(_regnum, fp) pa_do_registers_info (_regnum, fp)
+#define DEPRECATED_DO_REGISTERS_INFO(_regnum, fp) pa_do_registers_info (_regnum, fp)
extern void pa_do_registers_info (int, int);
#if 0
/* PA specific macro to see if the current instruction is nullified. */
#ifndef INSTRUCTION_NULLIFIED
-#define INSTRUCTION_NULLIFIED \
- (((int)read_register (IPSW_REGNUM) & 0x00200000) && \
- !((int)read_register (FLAGS_REGNUM) & 0x2))
+extern int hppa_instruction_nullified (void);
+#define INSTRUCTION_NULLIFIED hppa_instruction_nullified ()
#endif
/* Number of bytes of storage in the actual machine representation
for register N. On the PA-RISC, all regs are 4 bytes, including
the FP registers (they're accessed as two 4 byte halves). */
-#define REGISTER_RAW_SIZE(N) 4
+#if !GDB_MULTI_ARCH
+extern int hppa_register_raw_size (int reg_nr);
+#define REGISTER_RAW_SIZE(N) hppa_register_raw_size (N)
+#endif
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
+#if !GDB_MULTI_ARCH
#define REGISTER_BYTES (NUM_REGS * 4)
+#endif
-/* Index within `registers' of the first byte of the space for
- register N. */
-
-#define REGISTER_BYTE(N) (N) * 4
+#if !GDB_MULTI_ARCH
+extern int hppa_register_byte (int reg_nr);
+#define REGISTER_BYTE(N) hppa_register_byte (N)
+#endif
/* Number of bytes of storage in the program's representation
for register N. */
+#if !GDB_MULTI_ARCH
#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
+#endif
/* Largest value REGISTER_RAW_SIZE can have. */
-#define MAX_REGISTER_RAW_SIZE 4
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_MAX_REGISTER_RAW_SIZE 4
+#endif
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-#define MAX_REGISTER_VIRTUAL_SIZE 8
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-
-#define REGISTER_VIRTUAL_TYPE(N) \
- ((N) < FP4_REGNUM ? builtin_type_int : builtin_type_float)
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE 8
+#endif
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function. */
+#if !GDB_MULTI_ARCH
+extern struct type * hppa_register_virtual_type (int reg_nr);
+#define REGISTER_VIRTUAL_TYPE(N) hppa_register_virtual_type (N)
+#endif
-#define STORE_STRUCT_RETURN(ADDR, SP) {write_register (28, (ADDR)); }
+#if !GDB_MULTI_ARCH
+extern void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
+#define STORE_STRUCT_RETURN(ADDR, SP) hppa_store_struct_return (ADDR, SP)
+#endif
/* Extract from an array REGBUF containing the (raw) register state
a function return value of type TYPE, and copy that, in virtual format,
- into VALBUF.
-
- elz: changed what to return when length is > 4: the stored result is
- in register 28 and in register 29, with the lower order word being in reg 29,
- so we must start reading it from somehere in the middle of reg28
-
- FIXME: Not sure what to do for soft float here. */
-
-#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- { \
- if (TYPE_CODE (TYPE) == TYPE_CODE_FLT && !SOFT_FLOAT) \
- memcpy ((VALBUF), \
- ((char *)(REGBUF)) + REGISTER_BYTE (FP4_REGNUM), \
- TYPE_LENGTH (TYPE)); \
- else \
- memcpy ((VALBUF), \
- (char *)(REGBUF) + REGISTER_BYTE (28) + \
- (TYPE_LENGTH (TYPE) > 4 ? (8 - TYPE_LENGTH (TYPE)) : (4 - TYPE_LENGTH (TYPE))), \
- TYPE_LENGTH (TYPE)); \
- }
+ into VALBUF. */
+#if !GDB_MULTI_ARCH
+void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf);
+#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+ hppa_extract_return_value (TYPE, REGBUF, VALBUF);
+#endif
/* elz: decide whether the function returning a value of type type
will put it on the stack or in the registers.
sr1: space identifier (32-bit)
stack: any lager than 64-bit, with the address in r28
*/
+#if !GDB_MULTI_ARCH
extern use_struct_convention_fn hppa_use_struct_convention;
#define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type)
+#endif
/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format.
-
- For software floating point the return value goes into the integer
- registers. But we don't have any flag to key this on, so we always
- store the value into the integer registers, and if it's a float value,
- then we put it in the float registers too. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (REGISTER_BYTE (28),(VALBUF), TYPE_LENGTH (TYPE)) ; \
- if (!SOFT_FLOAT) \
- write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_FLT \
- ? REGISTER_BYTE (FP4_REGNUM) \
- : REGISTER_BYTE (28)), \
- (VALBUF), TYPE_LENGTH (TYPE))
+ of type TYPE, given in virtual format. */
-/* Extract from an array REGBUF containing the (raw) register state
- the address in which a function should return its structure value,
- as a CORE_ADDR (or an expression that can be used as one). */
+#if !GDB_MULTI_ARCH
+extern void hppa_store_return_value (struct type *type, char *valbuf);
+#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
+ hppa_store_return_value (TYPE, VALBUF);
+#endif
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- (*(int *)((REGBUF) + REGISTER_BYTE (28)))
+#if !GDB_MULTI_ARCH
+extern CORE_ADDR hppa_extract_struct_value_address (char *regbuf);
+#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
+ hppa_extract_struct_value_address (REGBUF)
+#endif
/* elz: Return a large value, which is stored on the stack at addr.
- This is defined only for the hppa, at this moment.
- The above macro EXTRACT_STRUCT_VALUE_ADDRESS is not called anymore,
- because it assumes that on exit from a called function which returns
- a large structure on the stack, the address of the ret structure is
- still in register 28. Unfortunately this register is usually overwritten
- by the called function itself, on hppa. This is specified in the calling
- convention doc. As far as I know, the only way to get the return value
- is to have the caller tell us where it told the callee to put it, rather
- than have the callee tell us.
- */
+ This is defined only for the hppa, at this moment. The above macro
+ DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS is not called anymore,
+ because it assumes that on exit from a called function which
+ returns a large structure on the stack, the address of the ret
+ structure is still in register 28. Unfortunately this register is
+ usually overwritten by the called function itself, on hppa. This is
+ specified in the calling convention doc. As far as I know, the only
+ way to get the return value is to have the caller tell us where it
+ told the callee to put it, rather than have the callee tell us. */
+struct value *hppa_value_returned_from_stack (register struct type *valtype,
+ CORE_ADDR addr);
#define VALUE_RETURNED_FROM_STACK(valtype,addr) \
hppa_value_returned_from_stack (valtype, addr)
-/*
- * This macro defines the register numbers (from REGISTER_NAMES) that
- * are effectively unavailable to the user through ptrace(). It allows
- * us to include the whole register set in REGISTER_NAMES (inorder to
- * better support remote debugging). If it is used in
- * fetch/store_inferior_registers() gdb will not complain about I/O errors
- * on fetching these registers. If all registers in REGISTER_NAMES
- * are available, then return false (0).
- */
-
-#define CANNOT_STORE_REGISTER(regno) \
- ((regno) == 0) || \
- ((regno) == PCSQ_HEAD_REGNUM) || \
- ((regno) >= PCSQ_TAIL_REGNUM && (regno) < IPSW_REGNUM) || \
- ((regno) > IPSW_REGNUM && (regno) < FP4_REGNUM)
+#if !GDB_MULTI_ARCH
+extern int hppa_cannot_store_register (int regnum);
+#define CANNOT_STORE_REGISTER(regno) hppa_cannot_store_register (regno)
+#endif
-#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) init_extra_frame_info (fromleaf, frame)
-extern void init_extra_frame_info (int, struct frame_info *);
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_INIT_EXTRA_FRAME_INFO(fromleaf, frame) hppa_init_extra_frame_info (fromleaf, frame)
+extern void hppa_init_extra_frame_info (int, struct frame_info *);
+#endif
/* Describe the pointer in each stack frame to the previous stack frame
(its caller). */
-/* FRAME_CHAIN takes a frame's nominal address
- and produces the frame's chain-pointer.
-
- FRAME_CHAIN_COMBINE takes the chain pointer and the frame's nominal address
- and produces the nominal address of the caller frame.
-
- However, if FRAME_CHAIN_VALID returns zero,
- it means the given frame is the outermost one and has no caller.
- In that case, FRAME_CHAIN_COMBINE is not used. */
+/* DEPRECATED_FRAME_CHAIN takes a frame's nominal address and produces
+ the frame's chain-pointer. */
/* In the case of the PA-RISC, the frame's nominal address
is the address of a 4-byte word containing the calling frame's
address (previous FP). */
-#define FRAME_CHAIN(thisframe) frame_chain (thisframe)
-extern CORE_ADDR frame_chain (struct frame_info *);
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_FRAME_CHAIN(thisframe) hppa_frame_chain (thisframe)
+extern CORE_ADDR hppa_frame_chain (struct frame_info *);
+#endif
+#if !GDB_MULTI_ARCH
extern int hppa_frame_chain_valid (CORE_ADDR, struct frame_info *);
-#define FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe)
-
-#define FRAME_CHAIN_COMBINE(chain, thisframe) (chain)
+#define DEPRECATED_FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe)
+#endif
/* Define other aspects of the stack frame. */
/* A macro that tells us whether the function invocation represented
by FI does not have a frame on the stack associated with it. If it
does not, FRAMELESS is set to 1, else 0. */
+#if !GDB_MULTI_ARCH
#define FRAMELESS_FUNCTION_INVOCATION(FI) \
- (frameless_function_invocation (FI))
-extern int frameless_function_invocation (struct frame_info *);
+ (hppa_frameless_function_invocation (FI))
+extern int hppa_frameless_function_invocation (struct frame_info *);
+#endif
+#if !GDB_MULTI_ARCH
extern CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame);
-#define FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
-
-#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
+#define DEPRECATED_FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
+#endif
-#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
-/* Set VAL to the number of args passed to frame described by FI.
- Can set VAL to -1, meaning no way to tell. */
+#if !GDB_MULTI_ARCH
+extern CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
+#define FRAME_ARGS_ADDRESS(fi) hppa_frame_args_address (fi)
+#endif
-/* We can't tell how many args there are
- now that the C compiler delays popping them. */
-#define FRAME_NUM_ARGS(fi) (-1)
+#if !GDB_MULTI_ARCH
+extern CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
+#define FRAME_LOCALS_ADDRESS(fi) hppa_frame_locals_address (fi)
+#endif
-/* Return number of bytes at start of arglist that are not really args. */
+#if !GDB_MULTI_ARCH
+extern int hppa_frame_num_args (struct frame_info *frame);
+#define FRAME_NUM_ARGS(fi) hppa_frame_num_args (fi)
+#endif
+#if !GDB_MULTI_ARCH
#define FRAME_ARGS_SKIP 0
+#endif
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
hppa_frame_find_saved_regs (frame_info, &frame_saved_regs)
-extern void
-hppa_frame_find_saved_regs (struct frame_info *, struct frame_saved_regs *);
+extern void hppa_frame_find_saved_regs (struct frame_info *,
+ struct frame_saved_regs *);
\f
/* Things needed for making the inferior call functions. */
-/* Push an empty stack frame, to record the current PC, etc. */
-
-#define PUSH_DUMMY_FRAME push_dummy_frame (inf_status)
-extern void push_dummy_frame (struct inferior_status *);
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_PUSH_DUMMY_FRAME hppa_push_dummy_frame ()
+extern void hppa_push_dummy_frame (void);
+#endif
/* Discard from the stack the innermost frame,
restoring all saved registers. */
-#define POP_FRAME hppa_pop_frame ()
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_POP_FRAME hppa_pop_frame ()
extern void hppa_pop_frame (void);
+#endif
#define INSTRUCTION_SIZE 4
0xe6c00002, 0xe4202000, 0x6bdf3fd1, 0x00010004,\
0x00151820, 0xe6c00002, 0x08000240, 0x08000240}
+#if !GDB_MULTI_ARCH
#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 28)
+#endif
#define REG_PARM_STACK_SPACE 16
#else /* defined PA_LEVEL_0 */
+/* FIXME: brobecker 2002-12-26. PA_LEVEL_0 is only defined for the
+ hppa-pro target, which should be obsoleted soon. The following
+ section will therefore not be included in the multiarch conversion. */
/* This is the call dummy for a level 0 PA. Level 0's don't have space
- registers (or floating point??), so we skip all that inter-space call stuff,
+ registers (or floating point?), so we skip all that inter-space call stuff,
and avoid touching the fp regs.
call_dummy
#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 12)
-#endif
+#endif /* defined PA_LEVEL_0 */
+#if !GDB_MULTI_ARCH
#define CALL_DUMMY_START_OFFSET 0
+#endif
/* If we've reached a trap instruction within the call dummy, then
we'll consider that to mean that we've reached the call dummy's
end after its successful completion. */
#define CALL_DUMMY_HAS_COMPLETED(pc, sp, frame_address) \
- (PC_IN_CALL_DUMMY((pc), (sp), (frame_address)) && \
+ (DEPRECATED_PC_IN_CALL_DUMMY((pc), (sp), (frame_address)) && \
(read_memory_integer((pc), 4) == BREAKPOINT32))
/*
* inferior to do the function call.
*/
+/* FIXME: brobecker 2002-12-26. This macro is going to cause us some
+ problems before we can go to multiarch partial as it has been diverted
+ on HPUX to return the value of the PC! */
#define FIX_CALL_DUMMY hppa_fix_call_dummy
+extern CORE_ADDR hppa_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
+ struct value **, struct type *, int);
-extern CORE_ADDR
-hppa_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
- struct value **, struct type *, int);
-
-#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
+#if !GDB_MULTI_ARCH
+#define DEPRECATED_PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
(hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
-extern CORE_ADDR
-hppa_push_arguments (int, struct value **, CORE_ADDR, int, CORE_ADDR);
+extern CORE_ADDR hppa_push_arguments (int, struct value **, CORE_ADDR, int,
+ CORE_ADDR);
+#endif
+
\f
-/* The low two bits of the PC on the PA contain the privilege level. Some
- genius implementing a (non-GCC) compiler apparently decided this means
- that "addresses" in a text section therefore include a privilege level,
- and thus symbol tables should contain these bits. This seems like a
- bonehead thing to do--anyway, it seems to work for our purposes to just
- ignore those bits. */
-#define SMASH_TEXT_ADDRESS(addr) ((addr) &= ~0x3)
+#if !GDB_MULTI_ARCH
+extern CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
+#define SMASH_TEXT_ADDRESS(addr) hppa_smash_text_address (addr)
+#endif
#define GDB_TARGET_IS_HPPA
+#if !GDB_MULTI_ARCH
#define BELIEVE_PCC_PROMOTION 1
+#endif
/*
* Unwind table and descriptor.
extern CORE_ADDR skip_trampoline_code (CORE_ADDR, char *);
#endif
-#define TARGET_READ_PC(pid) target_read_pc (pid)
-extern CORE_ADDR target_read_pc (int);
+#if !GDB_MULTI_ARCH
+#define TARGET_READ_PC(pid) hppa_target_read_pc (pid)
+extern CORE_ADDR hppa_target_read_pc (ptid_t);
+#endif
-#define TARGET_WRITE_PC(v,pid) target_write_pc (v,pid)
-extern void target_write_pc (CORE_ADDR, int);
+#if !GDB_MULTI_ARCH
+#define TARGET_WRITE_PC(v,pid) hppa_target_write_pc (v,pid)
+extern void hppa_target_write_pc (CORE_ADDR, ptid_t);
+#endif
-#define TARGET_READ_FP() target_read_fp (inferior_pid)
-extern CORE_ADDR target_read_fp (int);
+#if !GDB_MULTI_ARCH
+#define TARGET_READ_FP() hppa_target_read_fp ()
+extern CORE_ADDR hppa_target_read_fp (void);
+#endif
/* For a number of horrible reasons we may have to adjust the location
of variables on the stack. Ugh. */
#define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR)
-
extern int hpread_adjust_stack_address (CORE_ADDR);
-/* 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 pa, it appears that the debug info marks the parameters as
- floats regardless of whether the function is prototyped, but the actual
- values are passed as doubles for the non-prototyped case and floats for
- the prototyped case. Thus we choose to make the non-prototyped case work
- for C and break the prototyped case, since the non-prototyped case is
- probably much more common. (FIXME). */
-
-#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (current_language -> la_language == language_c)
-
/* Here's how to step off a permanent breakpoint. */
#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
extern void hppa_skip_permanent_breakpoint (void);
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