/* Parameters for execution on any Hewlett-Packard PA-RISC machine.
- Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
- Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
+ 1999, 2000, 2001, 2002, 2003, 2004, 2007 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 1
-
-/* Hack, get around problem with including "arch-utils.h". */
-struct frame_info;
-
-/* Forward declarations of some types we use in prototypes */
-
-struct frame_info;
-struct frame_saved_regs;
-struct value;
-struct type;
-struct inferior_status;
-
-/* Sequence of bytes for breakpoint instruction. */
-
-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
-
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)
-
-/* Register numbers of various important registers.
- Note that some of these values are "real" register numbers,
- and correspond to the general registers of the machine,
- and some are "phony" register numbers which are too large
- to be actual register numbers as far as the user is concerned
- but do serve to get the desired values when passed to read_register. */
-
-#define R0_REGNUM 0 /* Doesn't actually exist, used as base for
- other r registers. */
-#define FLAGS_REGNUM 0 /* Various status flags */
-#define RP_REGNUM 2 /* return pointer */
-#define HPPA_FP_REGNUM 3 /* The ABI's frame pointer, when used */
-#define HPPA_SP_REGNUM 30 /* Stack pointer. */
-#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 PCSQ_HEAD_REGNUM 34 /* instruction space queue head */
-#define PCOQ_TAIL_REGNUM 35 /* instruction offset queue tail */
-#define PCSQ_TAIL_REGNUM 36 /* instruction space queue tail */
-#define EIEM_REGNUM 37 /* External Interrupt Enable Mask */
-#define IIR_REGNUM 38 /* Interrupt Instruction Register */
-#define IOR_REGNUM 40 /* Interrupt Offset Register */
-#define SR4_REGNUM 43 /* space register 4 */
-#define RCR_REGNUM 51 /* Recover Counter (also known as cr0) */
-#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 HPPA_FP0_REGNUM 64 /* First floating-point. */
-#define FP4_REGNUM 72
-
-#define ARG0_REGNUM 26 /* The first argument of a callee. */
-#define ARG1_REGNUM 25 /* The second argument of a callee. */
-#define ARG2_REGNUM 24 /* The third argument of a callee. */
-#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
-
-/* 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. */
-
-#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)
-
-/* 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
-
-#define INSTRUCTION_SIZE 4
-
-#define REG_PARM_STACK_SPACE 16
-
-/*
- * Unwind table and descriptor.
- */
-
-struct unwind_table_entry
- {
- CORE_ADDR region_start;
- CORE_ADDR region_end;
-
- unsigned int Cannot_unwind:1; /* 0 */
- unsigned int Millicode:1; /* 1 */
- unsigned int Millicode_save_sr0:1; /* 2 */
- unsigned int Region_description:2; /* 3..4 */
- unsigned int reserved1:1; /* 5 */
- unsigned int Entry_SR:1; /* 6 */
- unsigned int Entry_FR:4; /* number saved *//* 7..10 */
- unsigned int Entry_GR:5; /* number saved *//* 11..15 */
- unsigned int Args_stored:1; /* 16 */
- unsigned int Variable_Frame:1; /* 17 */
- unsigned int Separate_Package_Body:1; /* 18 */
- unsigned int Frame_Extension_Millicode:1; /* 19 */
- unsigned int Stack_Overflow_Check:1; /* 20 */
- unsigned int Two_Instruction_SP_Increment:1; /* 21 */
- unsigned int Ada_Region:1; /* 22 */
- unsigned int cxx_info:1; /* 23 */
- unsigned int cxx_try_catch:1; /* 24 */
- unsigned int sched_entry_seq:1; /* 25 */
- unsigned int reserved2:1; /* 26 */
- unsigned int Save_SP:1; /* 27 */
- unsigned int Save_RP:1; /* 28 */
- unsigned int Save_MRP_in_frame:1; /* 29 */
- unsigned int extn_ptr_defined:1; /* 30 */
- unsigned int Cleanup_defined:1; /* 31 */
-
- unsigned int MPE_XL_interrupt_marker:1; /* 0 */
- unsigned int HP_UX_interrupt_marker:1; /* 1 */
- unsigned int Large_frame:1; /* 2 */
- unsigned int Pseudo_SP_Set:1; /* 3 */
- unsigned int reserved4:1; /* 4 */
- unsigned int Total_frame_size:27; /* 5..31 */
-
- /* This is *NOT* part of an actual unwind_descriptor in an object
- file. It is *ONLY* part of the "internalized" descriptors that
- we create from those in a file.
- */
- struct
- {
- unsigned int stub_type:4; /* 0..3 */
- unsigned int padding:28; /* 4..31 */
- }
- stub_unwind;
- };
-
-/* HP linkers also generate unwinds for various linker-generated stubs.
- GDB reads in the stubs from the $UNWIND_END$ subspace, then
- "converts" them into normal unwind entries using some of the reserved
- fields to store the stub type. */
-
-/* The gaps represent linker stubs used in MPE and space for future
- expansion. */
-enum unwind_stub_types
- {
- LONG_BRANCH = 1,
- PARAMETER_RELOCATION = 2,
- EXPORT = 10,
- IMPORT = 11,
- IMPORT_SHLIB = 12,
- };
-
-/* We use the objfile->obj_private pointer for two things:
-
- * 1. An unwind table;
- *
- * 2. A pointer to any associated shared library object.
- *
- * #defines are used to help refer to these objects.
- */
-
-/* Info about the unwind table associated with an object file.
-
- * This is hung off of the "objfile->obj_private" pointer, and
- * is allocated in the objfile's psymbol obstack. This allows
- * us to have unique unwind info for each executable and shared
- * library that we are debugging.
- */
-struct obj_unwind_info
- {
- struct unwind_table_entry *table; /* Pointer to unwind info */
- struct unwind_table_entry *cache; /* Pointer to last entry we found */
- int last; /* Index of last entry */
- };
-
-typedef struct obj_private_struct
- {
- struct obj_unwind_info *unwind_info; /* a pointer */
- struct so_list *so_info; /* a pointer */
- CORE_ADDR dp;
- }
-obj_private_data_t;
-
-/* 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);
-
-/* Here's how to step off a permanent breakpoint. */
-#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
-extern void hppa_skip_permanent_breakpoint (void);
-
-/* On HP-UX, certain system routines (millicode) have names beginning
- with $ or $$, e.g. $$dyncall, which handles inter-space procedure
- calls on PA-RISC. Tell the expression parser to check for those
- when parsing tokens that begin with "$". */
-#define SYMBOLS_CAN_START_WITH_DOLLAR (1)
+#define DEPRECATED_PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)
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