eded0a3148
* hppa-tdep.c: Replace DEPRECATED_FP_REGNUM with HPPA_FP_REGNUM, FP0_REGNUM with HPPA_FP0_REGNUM, and SP_REGNUM with HPPA_SP_REGNUM. (hppa_register_raw_size, hppa_register_byte, hppa_read_fp) (hppa_target_read_fp): Delete. (hppa_gdbarch_init): Do not set deprecated register_raw_size, register_virtual_size, max_register_raw_size, max_register_virtual_size, register_byte, register_size, target_read_fp, fp_regnum, and register_bytes. Set register_type instead of register_virtual_type. (hppa32_register_type, hppa64_register_type): Replace hppa32_register_virtual_type and hppa64_register_virtual_type. * config/pa/tm-hppa.h (HPPA_FP0_REGNUM, HPPA_SP_REGNUM) (HPPA_FP_REGNUM): Define.
221 lines
8 KiB
C
221 lines
8 KiB
C
/* Parameters for execution on any Hewlett-Packard PA-RISC machine.
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Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
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Foundation, Inc.
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Contributed by the Center for Software Science at the
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University of Utah (pa-gdb-bugs@cs.utah.edu).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "regcache.h"
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#define GDB_MULTI_ARCH 1
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/* Hack, get around problem with including "arch-utils.h". */
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struct frame_info;
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/* Forward declarations of some types we use in prototypes */
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struct frame_info;
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struct frame_saved_regs;
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struct value;
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struct type;
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struct inferior_status;
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/* Sequence of bytes for breakpoint instruction. */
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const unsigned char *hppa_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr);
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#define BREAKPOINT_FROM_PC(PCPTR,LENPTR) hppa_breakpoint_from_pc ((PCPTR), (LENPTR))
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#define BREAKPOINT32 0x10004
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extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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#define PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define R0_REGNUM 0 /* Doesn't actually exist, used as base for
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other r registers. */
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#define FLAGS_REGNUM 0 /* Various status flags */
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#define RP_REGNUM 2 /* return pointer */
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#define HPPA_FP_REGNUM 3 /* The ABI's frame pointer, when used */
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#define HPPA_SP_REGNUM 30 /* Stack pointer. */
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#define SAR_REGNUM 32 /* Shift Amount Register */
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#define IPSW_REGNUM 41 /* Interrupt Processor Status Word */
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#define PCOQ_HEAD_REGNUM 33 /* instruction offset queue head */
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#define PCSQ_HEAD_REGNUM 34 /* instruction space queue head */
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#define PCOQ_TAIL_REGNUM 35 /* instruction offset queue tail */
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#define PCSQ_TAIL_REGNUM 36 /* instruction space queue tail */
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#define EIEM_REGNUM 37 /* External Interrupt Enable Mask */
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#define IIR_REGNUM 38 /* Interrupt Instruction Register */
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#define IOR_REGNUM 40 /* Interrupt Offset Register */
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#define SR4_REGNUM 43 /* space register 4 */
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#define RCR_REGNUM 51 /* Recover Counter (also known as cr0) */
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#define CCR_REGNUM 54 /* Coprocessor Configuration Register */
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#define TR0_REGNUM 57 /* Temporary Registers (cr24 -> cr31) */
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#define CR27_REGNUM 60 /* Base register for thread-local storage, cr27 */
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#define HPPA_FP0_REGNUM 64 /* First floating-point. */
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#define FP4_REGNUM 72
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#define ARG0_REGNUM 26 /* The first argument of a callee. */
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#define ARG1_REGNUM 25 /* The second argument of a callee. */
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#define ARG2_REGNUM 24 /* The third argument of a callee. */
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#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
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/* When fetching register values from an inferior or a core file,
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clean them up using this macro. BUF is a char pointer to
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the raw value of the register in the registers[] array. */
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#define DEPRECATED_CLEAN_UP_REGISTER_VALUE(regno, buf) \
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do { \
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if ((regno) == PCOQ_HEAD_REGNUM || (regno) == PCOQ_TAIL_REGNUM) \
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(buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
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} while (0)
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/* PA specific macro to see if the current instruction is nullified. */
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#ifndef INSTRUCTION_NULLIFIED
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extern int hppa_instruction_nullified (void);
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#define INSTRUCTION_NULLIFIED hppa_instruction_nullified ()
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#endif
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#define INSTRUCTION_SIZE 4
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#define REG_PARM_STACK_SPACE 16
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#define GDB_TARGET_IS_HPPA
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/*
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* Unwind table and descriptor.
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*/
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struct unwind_table_entry
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{
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CORE_ADDR region_start;
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CORE_ADDR region_end;
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unsigned int Cannot_unwind:1; /* 0 */
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unsigned int Millicode:1; /* 1 */
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unsigned int Millicode_save_sr0:1; /* 2 */
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unsigned int Region_description:2; /* 3..4 */
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unsigned int reserved1:1; /* 5 */
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unsigned int Entry_SR:1; /* 6 */
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unsigned int Entry_FR:4; /* number saved *//* 7..10 */
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unsigned int Entry_GR:5; /* number saved *//* 11..15 */
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unsigned int Args_stored:1; /* 16 */
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unsigned int Variable_Frame:1; /* 17 */
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unsigned int Separate_Package_Body:1; /* 18 */
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unsigned int Frame_Extension_Millicode:1; /* 19 */
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unsigned int Stack_Overflow_Check:1; /* 20 */
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unsigned int Two_Instruction_SP_Increment:1; /* 21 */
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unsigned int Ada_Region:1; /* 22 */
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unsigned int cxx_info:1; /* 23 */
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unsigned int cxx_try_catch:1; /* 24 */
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unsigned int sched_entry_seq:1; /* 25 */
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unsigned int reserved2:1; /* 26 */
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unsigned int Save_SP:1; /* 27 */
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unsigned int Save_RP:1; /* 28 */
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unsigned int Save_MRP_in_frame:1; /* 29 */
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unsigned int extn_ptr_defined:1; /* 30 */
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unsigned int Cleanup_defined:1; /* 31 */
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unsigned int MPE_XL_interrupt_marker:1; /* 0 */
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unsigned int HP_UX_interrupt_marker:1; /* 1 */
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unsigned int Large_frame:1; /* 2 */
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unsigned int Pseudo_SP_Set:1; /* 3 */
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unsigned int reserved4:1; /* 4 */
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unsigned int Total_frame_size:27; /* 5..31 */
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/* This is *NOT* part of an actual unwind_descriptor in an object
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file. It is *ONLY* part of the "internalized" descriptors that
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we create from those in a file.
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*/
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struct
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{
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unsigned int stub_type:4; /* 0..3 */
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unsigned int padding:28; /* 4..31 */
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}
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stub_unwind;
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};
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/* HP linkers also generate unwinds for various linker-generated stubs.
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GDB reads in the stubs from the $UNWIND_END$ subspace, then
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"converts" them into normal unwind entries using some of the reserved
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fields to store the stub type. */
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/* The gaps represent linker stubs used in MPE and space for future
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expansion. */
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enum unwind_stub_types
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{
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LONG_BRANCH = 1,
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PARAMETER_RELOCATION = 2,
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EXPORT = 10,
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IMPORT = 11,
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IMPORT_SHLIB = 12,
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};
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/* We use the objfile->obj_private pointer for two things:
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* 1. An unwind table;
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*
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* 2. A pointer to any associated shared library object.
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*
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* #defines are used to help refer to these objects.
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*/
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/* Info about the unwind table associated with an object file.
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* This is hung off of the "objfile->obj_private" pointer, and
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* is allocated in the objfile's psymbol obstack. This allows
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* us to have unique unwind info for each executable and shared
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* library that we are debugging.
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*/
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struct obj_unwind_info
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{
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struct unwind_table_entry *table; /* Pointer to unwind info */
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struct unwind_table_entry *cache; /* Pointer to last entry we found */
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int last; /* Index of last entry */
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};
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typedef struct obj_private_struct
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{
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struct obj_unwind_info *unwind_info; /* a pointer */
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struct so_list *so_info; /* a pointer */
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CORE_ADDR dp;
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}
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obj_private_data_t;
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/* For a number of horrible reasons we may have to adjust the location
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of variables on the stack. Ugh. */
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#define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR)
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extern int hpread_adjust_stack_address (CORE_ADDR);
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/* Here's how to step off a permanent breakpoint. */
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#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
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extern void hppa_skip_permanent_breakpoint (void);
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/* On HP-UX, certain system routines (millicode) have names beginning
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with $ or $$, e.g. $$dyncall, which handles inter-space procedure
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calls on PA-RISC. Tell the expression parser to check for those
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when parsing tokens that begin with "$". */
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#define SYMBOLS_CAN_START_WITH_DOLLAR (1)
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