old-cross-binutils/gdb/config/pa/tm-hppa.h

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/* 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.
Contributed by the Center for Software Science at the
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
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
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#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. */
2003-05-15 Andrew Cagney <cagney@redhat.com> * arch-utils.h (legacy_breakpoint_from_pc): Delete declaration. * target.h (memory_breakpoint_from_pc): Delete declaration. * mem-break.c (memory_breakpoint_from_pc): Delete function. * arch-utils.c (legacy_breakpoint_from_pc): Delete function. * monitor.c (monitor_insert_breakpoint): Use gdbarch_breakpoint_from_pc instead of memory_breakpoint_from_pc. * gdbarch.sh (BREAKPOINT_FROM_PC): Do not provide a default. * gdbarch.h, gdbarch.c: Re-generate. * sparc-tdep.c (sparc_breakpoint_from_pc): New function. (sparc_gdbarch_init): Set breakpoint_from_pc to sparc_breakpoint_from_pc. * config/sparc/tm-sparc.h (BREAKPOINT): Delete macro. (BREAKPOINT_FROM_PC): Define. (sparc_breakpoint_from_pc): Declare. * hppa-tdep.c (hppa_breakpoint_from_pc): New function. * config/pa/tm-hppa.h (hppa_breakpoint_from_pc): Declare. (BREAKPOINT_FROM_PC): Define. (BREAKPOINT): Delete macro. * target.h: Update comment. * s390-tdep.c (s390_gdbarch_init): Update comments. * remote.c: Update comments. * remote-mips.c: Update comments. * proc-api.c (write_with_trace): Do not check for a breakpoint. * mem-break.c: Update comment. * ia64-tdep.c (IA64_BREAKPOINT): Rename BREAKPOINT. (ia64_memory_insert_breakpoint): Update. * config/sparc/tm-sparc.h: Update comment. * config/pa/tm-hppa64.h: Update comment. * rs6000-tdep.c (BIG_BREAKPOINT, LITTLE_BREAKPOINT): Delete macro. (rs6000_breakpoint_from_pc): Update. * mips-tdep.c (BIG_BREAKPOINT, LITTLE_BREAKPOINT): Delete macro. (PMON_BIG_BREAKPOINT, PMON_LITTLE_BREAKPOINT): Delete macro. (IDT_LITTLE_BREAKPOINT, IDT_LITTLE_BREAKPOINT): Delete macro. (MIPS16_LITTLE_BREAKPOINT, MIPS16_BIG_BREAKPOINT): Delete macro. (mips_breakpoint_from_pc): Update. (mips_dump_tdep): Update.
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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
Preparation work to convert the hppa targets to multiarch partial. * hppa-tdep.c: Add new functions replacing macro bodies from config/pa/tm-hppa.h. These function will be used to initialize the gdbarch structure. Import some comments from tm-hppa.h, and place them where appropriate, to avoid loosing them when we cleanup this file. (hppa_reg_struct_has_addr): New function. (hppa_inner_than): New function. (hppa_stack_align): New function. (hppa_pc_requires_run_before_use): New function. (hppa_instruction_nullified): New function. (hppa_register_byte): New function. (hppa_register_virtual_type): New function. (hppa_store_struct_return): New function. (hppa_cannot_store_register): New function. (hppa_frame_args_address): New function. (hppa_frame_locals_address): New function. (hppa_smash_text_address): New function. (hppa_coerce_float_to_double): New function. Requires the inclusion of "language.h". * Makefile.in (hppa-tdep.o): Add dependency on language.h. * tm-hppa.h (REG_STRUCT_HAS_ADDR): Change the definition of this gdbarch-eligible macro to a call to the new associated function created in hppa-tdep.c. (INNER_THAN): Likewise. (STACK_ALIGN): Likewise. (PC_REQUIRES_RUN_BEFORE_USE): Likewise. (INSTRUCTION_NULLIFIED): Likewise. (REGISTER_BYTE): Likewise. (REGISTER_VIRTUAL_TYPE): Likewise. (STORE_STRUCT_RETURN): Likewise. (CANNOT_STORE_REGISTER): Likewise. (FRAME_ARGS_ADDRESS): Likewise. (FRAME_LOCALS_ADDRESS): Likewise. (SMASH_TEXT_ADDRESS): Likewise. (COERCE_FLOAT_TO_DOUBLE): Likewise. (ABOUT_TO_RETURN): Delete, as no longer used.
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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) */
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#define CR27_REGNUM 60 /* Base register for thread-local storage, cr27 */
#define HPPA_FP0_REGNUM 64 /* First floating-point. */
#define FP4_REGNUM 72
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#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) \
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(buf)[sizeof(CORE_ADDR) -1] &= ~0x3; \
} while (0)
/* PA specific macro to see if the current instruction is nullified. */
#ifndef INSTRUCTION_NULLIFIED
Preparation work to convert the hppa targets to multiarch partial. * hppa-tdep.c: Add new functions replacing macro bodies from config/pa/tm-hppa.h. These function will be used to initialize the gdbarch structure. Import some comments from tm-hppa.h, and place them where appropriate, to avoid loosing them when we cleanup this file. (hppa_reg_struct_has_addr): New function. (hppa_inner_than): New function. (hppa_stack_align): New function. (hppa_pc_requires_run_before_use): New function. (hppa_instruction_nullified): New function. (hppa_register_byte): New function. (hppa_register_virtual_type): New function. (hppa_store_struct_return): New function. (hppa_cannot_store_register): New function. (hppa_frame_args_address): New function. (hppa_frame_locals_address): New function. (hppa_smash_text_address): New function. (hppa_coerce_float_to_double): New function. Requires the inclusion of "language.h". * Makefile.in (hppa-tdep.o): Add dependency on language.h. * tm-hppa.h (REG_STRUCT_HAS_ADDR): Change the definition of this gdbarch-eligible macro to a call to the new associated function created in hppa-tdep.c. (INNER_THAN): Likewise. (STACK_ALIGN): Likewise. (PC_REQUIRES_RUN_BEFORE_USE): Likewise. (INSTRUCTION_NULLIFIED): Likewise. (REGISTER_BYTE): Likewise. (REGISTER_VIRTUAL_TYPE): Likewise. (STORE_STRUCT_RETURN): Likewise. (CANNOT_STORE_REGISTER): Likewise. (FRAME_ARGS_ADDRESS): Likewise. (FRAME_LOCALS_ADDRESS): Likewise. (SMASH_TEXT_ADDRESS): Likewise. (COERCE_FLOAT_TO_DOUBLE): Likewise. (ABOUT_TO_RETURN): Delete, as no longer used.
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extern int hppa_instruction_nullified (void);
#define INSTRUCTION_NULLIFIED hppa_instruction_nullified ()
#endif
#define INSTRUCTION_SIZE 4
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#define REG_PARM_STACK_SPACE 16
#define GDB_TARGET_IS_HPPA
/*
* Unwind table and descriptor.
*/
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struct unwind_table_entry
{
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CORE_ADDR region_start;
CORE_ADDR region_end;
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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.
*/
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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
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{
LONG_BRANCH = 1,
PARAMETER_RELOCATION = 2,
EXPORT = 10,
IMPORT = 11,
IMPORT_SHLIB = 12,
};
/* We use the objfile->obj_private pointer for two things:
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* 1. An unwind table;
*
* 2. A pointer to any associated shared library object.
*
* #defines are used to help refer to these objects.
*/
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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
* 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.
*/
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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 */
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CORE_ADDR dp;
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}
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)
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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. */
#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
extern void hppa_skip_permanent_breakpoint (void);
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/* 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)