/* 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).
#include "regcache.h"
-#define GDB_MULTI_ARCH 0
+/* Wonder if this is correct? Should be using push_dummy_call(). */
+#define DEPRECATED_DUMMY_WRITE_SP(SP) generic_target_write_sp (SP)
+
+#ifndef GDB_MULTI_ARCH
+#define GDB_MULTI_ARCH 1
+#endif
/* NOTE: cagney/2002-11-24: This is a guess. */
-#define USE_GENERIC_DUMMY_FRAMES 0
+#define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0
#define CALL_DUMMY_LOCATION ON_STACK
-#define PC_IN_CALL_DUMMY(pc, sp, frame_address) pc_in_call_dummy_on_stack (pc, sp, frame_address)
+#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 type;
struct inferior_status;
-/* By default assume we don't have to worry about software floating point. */
-#ifndef SOFT_FLOAT
-#define SOFT_FLOAT 0
-#endif
-
-/* Get at various relevent fields of an instruction word. */
-
-#define MASK_5 0x1f
-#define MASK_11 0x7ff
-#define MASK_14 0x3fff
-#define MASK_21 0x1fffff
-
-/* This macro gets bit fields using HP's numbering (MSB = 0) */
-#ifndef GET_FIELD
-#define GET_FIELD(X, FROM, TO) \
- ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
-#endif
-
-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)
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-
-#define FUNCTION_START_OFFSET 0
-
-/* Advance PC across any function entry prologue instructions
- to reach some "real" code. */
-
-extern CORE_ADDR hppa_skip_prologue (CORE_ADDR);
-#define SKIP_PROLOGUE(pc) (hppa_skip_prologue (pc))
-
-/* 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 *);
-
-/* Return non-zero if we are in an appropriate trampoline. */
-
-#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
- in_solib_call_trampoline (pc, name)
-extern int in_solib_call_trampoline (CORE_ADDR, char *);
-
-#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
- in_solib_return_trampoline (pc, name)
-extern int in_solib_return_trampoline (CORE_ADDR, char *);
-
-#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 *);
-
-extern int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs);
-#define INNER_THAN(lhs,rhs) hppa_inner_than(lhs,rhs)
-
-extern CORE_ADDR hppa_stack_align (CORE_ADDR sp);
-#define STACK_ALIGN(sp) hppa_stack_align (sp)
-
-#define EXTRA_STACK_ALIGNMENT_NEEDED 0
-
/* Sequence of bytes for breakpoint instruction. */
-#define BREAKPOINT {0x00, 0x01, 0x00, 0x04}
+const unsigned char *hppa_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr);
+#define BREAKPOINT_FROM_PC(PCPTR,LENPTR) hppa_breakpoint_from_pc ((PCPTR), (LENPTR))
#define BREAKPOINT32 0x10004
-/* Amount PC must be decremented by after a breakpoint.
- This is often the number of bytes in BREAKPOINT
- but not always.
-
- Not on the PA-RISC */
-
-#define DECR_PC_AFTER_BREAK 0
-
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. */
-
-#define REGISTER_SIZE 4
-
-/* Number of machine registers */
-
-#define NUM_REGS 128
-
/* Initializer for an array of names of registers.
There should be NUM_REGS strings in this initializer.
They are in rows of eight entries */
other r registers. */
#define FLAGS_REGNUM 0 /* Various status flags */
#define RP_REGNUM 2 /* return pointer */
-#define FP_REGNUM 3 /* Contains address of executing stack */
- /* frame */
-#define SP_REGNUM 30 /* Contains address of top of stack */
#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 */
-#define FP0_REGNUM 64 /* floating point reg. 0 (fspr) */
#define FP4_REGNUM 72
#define ARG0_REGNUM 26 /* The first argument of a callee. */
#define ARG2_REGNUM 24 /* The third argument of a callee. */
#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
-/* compatibility with the rest of gdb. */
-#define PC_REGNUM PCOQ_HEAD_REGNUM
-#define NPC_REGNUM PCOQ_TAIL_REGNUM
-
-/*
- * Processor Status Word Masks
- */
-
-#define PSW_T 0x01000000 /* Taken Branch Trap Enable */
-#define PSW_H 0x00800000 /* Higher-Privilege Transfer Trap Enable */
-#define PSW_L 0x00400000 /* Lower-Privilege Transfer Trap Enable */
-#define PSW_N 0x00200000 /* PC Queue Front Instruction Nullified */
-#define PSW_X 0x00100000 /* Data Memory Break Disable */
-#define PSW_B 0x00080000 /* Taken Branch in Previous Cycle */
-#define PSW_C 0x00040000 /* Code Address Translation Enable */
-#define PSW_V 0x00020000 /* Divide Step Correction */
-#define PSW_M 0x00010000 /* High-Priority Machine Check Disable */
-#define PSW_CB 0x0000ff00 /* Carry/Borrow Bits */
-#define PSW_R 0x00000010 /* Recovery Counter Enable */
-#define PSW_Q 0x00000008 /* Interruption State Collection Enable */
-#define PSW_P 0x00000004 /* Protection ID Validation Enable */
-#define PSW_D 0x00000002 /* Data Address Translation Enable */
-#define PSW_I 0x00000001 /* External, Power Failure, Low-Priority */
- /* Machine Check Interruption Enable */
-
/* When fetching register values from an inferior or a core file,
clean them up using this macro. BUF is a char pointer to
the raw value of the register in the registers[] array. */
(buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
} while (0)
-/* Define DEPRECATED_REGISTERS_INFO() to do machine-specific formatting
- of register dumps. */
+/* Define DEPRECATED_DO_REGISTERS_INFO() to do machine-specific
+ formatting of register dumps. */
-#define DEPRECATED_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
-#define STRCAT_REGISTER(regnum, fpregs, stream, precision) pa_do_strcat_registers_info (regnum, fpregs, stream, precision)
-extern void pa_do_strcat_registers_info (int, int, struct ui_file *, enum precision_type);
-#endif
-
/* PA specific macro to see if the current instruction is nullified. */
#ifndef INSTRUCTION_NULLIFIED
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
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'. */
-#define REGISTER_BYTES (NUM_REGS * 4)
-
-extern int hppa_register_byte (int reg_nr);
-#define REGISTER_BYTE(N) hppa_register_byte (N)
-
-/* Number of bytes of storage in the program's representation
- for register N. */
-
-#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-
-#define MAX_REGISTER_RAW_SIZE 4
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-
-#define MAX_REGISTER_VIRTUAL_SIZE 8
-
-extern struct type * hppa_register_virtual_type (int reg_nr);
-#define REGISTER_VIRTUAL_TYPE(N) hppa_register_virtual_type (N)
-
-extern void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
-#define STORE_STRUCT_RETURN(ADDR, SP) hppa_store_struct_return (ADDR, SP)
-
-/* 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. */
-
-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);
-
- /* elz: decide whether the function returning a value of type type
- will put it on the stack or in the registers.
- The pa calling convention says that:
- register 28 (called ret0 by gdb) contains any ASCII char,
- and any non_floating point value up to 32-bits.
- reg 28 and 29 contain non-floating point up tp 64 bits and larger
- than 32 bits. (higer order word in reg 28).
- fr4: floating point up to 64 bits
- sr1: space identifier (32-bit)
- stack: any lager than 64-bit, with the address in r28
- */
-extern use_struct_convention_fn hppa_use_struct_convention;
-#define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type)
-
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
-
-
-extern void hppa_store_return_value (struct type *type, char *valbuf);
-#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
- hppa_store_return_value (TYPE, VALBUF);
-
-/* 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). */
-
-#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- (*(int *)((REGBUF) + REGISTER_BYTE (28)))
-
/* 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
DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS is not called anymore,
#define VALUE_RETURNED_FROM_STACK(valtype,addr) \
hppa_value_returned_from_stack (valtype, addr)
-extern int hppa_cannot_store_register (int regnum);
-#define CANNOT_STORE_REGISTER(regno) hppa_cannot_store_register (regno)
-
-#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) init_extra_frame_info (fromleaf, frame)
-extern void init_extra_frame_info (int, struct frame_info *);
-
-/* 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. */
-
-/* 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 *);
-
-extern int hppa_frame_chain_valid (CORE_ADDR, struct frame_info *);
-#define FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe)
-
-/* 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. */
-#define FRAMELESS_FUNCTION_INVOCATION(FI) \
- (frameless_function_invocation (FI))
-extern int frameless_function_invocation (struct frame_info *);
-
-extern CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame);
-#define FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
-
-extern CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
-#define FRAME_ARGS_ADDRESS(fi) hppa_frame_args_address (fi)
-
-extern CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
-#define FRAME_LOCALS_ADDRESS(fi) hppa_frame_locals_address (fi)
-
-/* Set VAL to the number of args passed to frame described by FI.
- Can set VAL to -1, meaning no way to tell. */
-
-/* We can't tell how many args there are
- now that the C compiler delays popping them. */
-#define FRAME_NUM_ARGS(fi) (-1)
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 0
-
-#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 *);
-\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 *);
-
-/* Discard from the stack the innermost frame,
- restoring all saved registers. */
-#define POP_FRAME hppa_pop_frame ()
-extern void hppa_pop_frame (void);
+extern void hppa_frame_init_saved_regs (struct frame_info *);
+#define DEPRECATED_FRAME_INIT_SAVED_REGS(FI) \
+ hppa_frame_init_saved_regs (FI)
#define INSTRUCTION_SIZE 4
-#ifndef PA_LEVEL_0
-
-/* Non-level zero PA's have space registers (but they don't always have
- floating-point, do they???? */
-
/* This sequence of words is the instructions
; Call stack frame has already been built by gdb. Since we could be calling
avoid the kernel bug. The second NOP is needed to keep the call
dummy 8 byte aligned. */
-/* Define offsets into the call dummy for the target function address */
-#define FUNC_LDIL_OFFSET (INSTRUCTION_SIZE * 9)
-#define FUNC_LDO_OFFSET (INSTRUCTION_SIZE * 10)
-
-/* Define offsets into the call dummy for the _sr4export address */
-#define SR4EXPORT_LDIL_OFFSET (INSTRUCTION_SIZE * 12)
-#define SR4EXPORT_LDO_OFFSET (INSTRUCTION_SIZE * 13)
-
#define CALL_DUMMY {0x4BDA3FB9, 0x4BD93FB1, 0x4BD83FA9, 0x4BD73FA1,\
0x37C13FB9, 0x24201004, 0x2C391005, 0x24311006,\
0x2C291007, 0x22C00000, 0x36D60000, 0x02C010A4,\
0xe6c00002, 0xe4202000, 0x6bdf3fd1, 0x00010004,\
0x00151820, 0xe6c00002, 0x08000240, 0x08000240}
-#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 28)
#define REG_PARM_STACK_SPACE 16
-#else /* defined PA_LEVEL_0 */
-
-/* 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,
- and avoid touching the fp regs.
-
- call_dummy
-
- ldw -36(%sp), %arg0
- ldw -40(%sp), %arg1
- ldw -44(%sp), %arg2
- ldw -48(%sp), %arg3
- ldil 0, %r31 ; FUNC_LDIL_OFFSET must point here
- ldo 0(%r31), %r31 ; FUNC_LDO_OFFSET must point here
- ble 0(%sr0, %r31)
- copy %r31, %r2
- break 4, 8
- nop ; restore_pc_queue expects these
- bv,n 0(%r22) ; instructions to be here...
- nop
- */
-
-/* Define offsets into the call dummy for the target function address */
-#define FUNC_LDIL_OFFSET (INSTRUCTION_SIZE * 4)
-#define FUNC_LDO_OFFSET (INSTRUCTION_SIZE * 5)
-
-#define CALL_DUMMY {0x4bda3fb9, 0x4bd93fb1, 0x4bd83fa9, 0x4bd73fa1,\
- 0x23e00000, 0x37ff0000, 0xe7e00000, 0x081f0242,\
- 0x00010004, 0x08000240, 0xeac0c002, 0x08000240}
-
-#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 12)
-
-#endif
-
-#define CALL_DUMMY_START_OFFSET 0
-
/* 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))
-/*
- * Insert the specified number of args and function address
- * into a call sequence of the above form stored at DUMMYNAME.
- *
- * On the hppa we need to call the stack dummy through $$dyncall.
- * Therefore our version of FIX_CALL_DUMMY takes an extra argument,
- * real_pc, which is the location where gdb should start up the
- * inferior to do the function call.
- */
+/* Insert the specified number of args and function address into a
+ call sequence of the above form stored at DUMMYNAME.
-#define FIX_CALL_DUMMY hppa_fix_call_dummy
+ On the hppa we need to call the stack dummy through $$dyncall.
+ Therefore our version of DEPRECATED_FIX_CALL_DUMMY takes an extra
+ argument, real_pc, which is the location where gdb should start up
+ the inferior to do the function call. */
-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) \
- (hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
-extern CORE_ADDR
-hppa_push_arguments (int, struct value **, CORE_ADDR, int, CORE_ADDR);
-\f
-extern CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
-#define SMASH_TEXT_ADDRESS(addr) hppa_smash_text_address (addr)
+/* 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! */
+/* NOTE: cagney/2003-05-03: This has been replaced by push_dummy_code.
+ Hopefully that has all the parameters HP/UX needs. */
+#define DEPRECATED_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);
#define GDB_TARGET_IS_HPPA
-#define BELIEVE_PCC_PROMOTION 1
-
/*
* Unwind table and descriptor.
*/
"converts" them into normal unwind entries using some of the reserved
fields to store the stub type. */
-struct stub_unwind_entry
- {
- /* The offset within the executable for the associated stub. */
- unsigned stub_offset;
-
- /* The type of stub this unwind entry describes. */
- char type;
-
- /* Unknown. Not needed by GDB at this time. */
- char prs_info;
-
- /* Length (in instructions) of the associated stub. */
- short stub_length;
- };
-
-/* Sizes (in bytes) of the native unwind entries. */
-#define UNWIND_ENTRY_SIZE 16
-#define STUB_UNWIND_ENTRY_SIZE 8
-
/* The gaps represent linker stubs used in MPE and space for future
expansion. */
enum unwind_stub_types
}
obj_private_data_t;
-#if 0
-extern void target_write_pc (CORE_ADDR, int);
-extern CORE_ADDR target_read_pc (int);
-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 (ptid_t);
-
-#define TARGET_WRITE_PC(v,pid) target_write_pc (v,pid)
-extern void target_write_pc (CORE_ADDR, ptid_t);
-
-#define TARGET_READ_FP() target_read_fp (PIDGET (inferior_ptid))
-extern CORE_ADDR target_read_fp (int);
-
/* 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. */
-
-extern int hppa_coerce_float_to_double (struct type *formal,
- struct type *actual);
-#define COERCE_FLOAT_TO_DOUBLE(formal, actual) \
- hppa_coerce_float_to_double (formal, actual)
-
/* Here's how to step off a permanent breakpoint. */
#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
extern void hppa_skip_permanent_breakpoint (void);
projects / deliverable / binutils-gdb.git / blobdiff