X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Falpha-tdep.h;h=2c2b100612558a0bf4e861ddf7deb11431c2ea1f;hb=4ee62156d969867d3d3ffedf656a74643f77279e;hp=d7266bebe6f2e98ce7005646711e60d08e065707;hpb=5ab8487279b4034ed8b1aa56cc36d25f5dbd5dd8;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/alpha-tdep.h b/gdb/alpha-tdep.h index d7266bebe6..2c2b100612 100644 --- a/gdb/alpha-tdep.h +++ b/gdb/alpha-tdep.h @@ -1,12 +1,12 @@ /* Common target dependent code for GDB on Alpha systems. - Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003 Free - Software Foundation, Inc. + Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003, 2007, + 2008, 2009 Free Software Foundation, Inc. This file is part of GDB. 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,48 +15,45 @@ GNU General Public License for more details. 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. */ + along with this program. If not, see . */ #ifndef ALPHA_TDEP_H #define ALPHA_TDEP_H +struct regcache; + /* 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 + used in push_word and a few other places; register_size() is the real way to know how big a register is. */ #define ALPHA_REGISTER_SIZE 8 /* Number of machine registers. */ #define ALPHA_NUM_REGS 67 -/* Total amount of space needed to store our copies of the machine's - register state. */ -#define ALPHA_REGISTER_BYTES (ALPHA_NUM_REGS * 8) - /* Register numbers of various important registers. Note that most of these values are "real" register numbers, and correspond to the - general registers of the machine, and DEPRECATED_FP_REGNUM is a - "phony" register number which is too large to be an actual register - number as far as the user is concerned but serves to get the - desired value when passed to read_register. */ + general registers of the machine. */ #define ALPHA_V0_REGNUM 0 /* Function integer return value */ #define ALPHA_T7_REGNUM 8 /* Return address register for OSF/1 __add* */ +#define ALPHA_S0_REGNUM 9 /* First saved register */ #define ALPHA_GCC_FP_REGNUM 15 /* Used by gcc as frame register */ #define ALPHA_A0_REGNUM 16 /* Loc of first arg during a subr call */ #define ALPHA_T9_REGNUM 23 /* Return address register for OSF/1 __div* */ +#define ALPHA_RA_REGNUM 26 /* Contains return address value */ #define ALPHA_T12_REGNUM 27 /* Contains start addr of current proc */ +#define ALPHA_GP_REGNUM 29 /* Contains the global pointer */ #define ALPHA_SP_REGNUM 30 /* Contains address of top of stack */ -#define ALPHA_RA_REGNUM 26 /* Contains return address value */ #define ALPHA_ZERO_REGNUM 31 /* Read-only register, always 0 */ #define ALPHA_FP0_REGNUM 32 /* Floating point register 0 */ #define ALPHA_FPA0_REGNUM 48 /* First float arg during a subr call */ #define ALPHA_FPCR_REGNUM 63 /* Floating point control register */ #define ALPHA_PC_REGNUM 64 /* Contains program counter */ -#define ALPHA_FP_REGNUM 65 /* Virtual frame pointer */ #define ALPHA_UNIQUE_REGNUM 66 /* PAL_rduniq value */ +/* Instruction size. */ +#define ALPHA_INSN_SIZE 4 + /* The alpha has two different virtual pointers for arguments and locals. The virtual argument pointer is pointing to the bottom of the argument @@ -79,22 +76,46 @@ struct gdbarch_tdep /* If PC is inside a dynamically-generated signal trampoline function (i.e. one copied onto the user stack at run-time), return how many bytes PC is beyond the start of that function. Otherwise, return -1. */ - LONGEST (*dynamic_sigtramp_offset) (CORE_ADDR); + LONGEST (*dynamic_sigtramp_offset) (struct gdbarch *, CORE_ADDR); /* Translate a signal handler stack base address into the address of the sigcontext structure for that signal handler. */ CORE_ADDR (*sigcontext_addr) (struct frame_info *); + /* Does the PC fall in a signal trampoline. */ + /* NOTE: cagney/2004-04-30: Do not copy/clone this code. Instead + look at tramp-frame.h and other simplier per-architecture + sigtramp unwinders. */ + int (*pc_in_sigtramp) (struct gdbarch *gdbarch, CORE_ADDR pc, char *name); + + /* If TYPE will be returned in memory, return true. */ + int (*return_in_memory) (struct type *type); + + /* Offset of registers in `struct sigcontext'. */ + int sc_pc_offset; + int sc_regs_offset; + int sc_fpregs_offset; + int jb_pc; /* Offset to PC value in jump buffer. If htis is negative, longjmp support will be disabled. */ size_t jb_elt_size; /* And the size of each entry in the buf. */ }; -extern unsigned int alpha_read_insn (CORE_ADDR pc); -extern void alpha_software_single_step (enum target_signal, int); +extern unsigned int alpha_read_insn (struct gdbarch *gdbarch, CORE_ADDR pc); +extern int alpha_software_single_step (struct frame_info *frame); extern CORE_ADDR alpha_after_prologue (CORE_ADDR pc); extern void alpha_mdebug_init_abi (struct gdbarch_info, struct gdbarch *); +extern void alpha_dwarf2_init_abi (struct gdbarch_info, struct gdbarch *); + +extern void alpha_supply_int_regs (struct regcache *, int, const void *, + const void *, const void *); +extern void alpha_fill_int_regs (const struct regcache *, int, + void *, void *, void *); +extern void alpha_supply_fp_regs (struct regcache *, int, + const void *, const void *); +extern void alpha_fill_fp_regs (const struct regcache *, + int, void *, void *); #endif /* ALPHA_TDEP_H */