[deliverable/binutils-gdb.git] / gdb / ppc-tdep.h

/* Target-dependent code for GDB, the GNU debugger.

   Copyright 2000, 2001, 2002, 2003, 2004 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
   (at your option) any later version.

   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.

   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.  */

#ifndef PPC_TDEP_H
#define PPC_TDEP_H

struct gdbarch;
struct frame_info;
struct value;
struct regcache;
struct type;

/* From ppc-linux-tdep.c... */
CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);
void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
int ppc_linux_frameless_function_invocation (struct frame_info *);
void ppc_linux_frame_init_saved_regs (struct frame_info *);
CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch,
							struct type *valtype,
							struct regcache *regcache,
							void *readbuf,
							const void *writebuf);
enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch,
							       struct type *valtype,
							       struct regcache *regcache,
							       void *readbuf,
							       const void *writebuf);
CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
					CORE_ADDR func_addr,
					struct regcache *regcache,
					CORE_ADDR bp_addr, int nargs,
					struct value **args, CORE_ADDR sp,
					int struct_return,
					CORE_ADDR struct_addr);
CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
					  CORE_ADDR func_addr,
					  struct regcache *regcache,
					  CORE_ADDR bp_addr, int nargs,
					  struct value **args, CORE_ADDR sp,
					  int struct_return,
					  CORE_ADDR struct_addr);
CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
						    CORE_ADDR bpaddr);
int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
void ppc_linux_supply_gregset (struct regcache *regcache,
			       int regnum, const void *gregs, size_t size,
			       int wordsize);
void ppc_linux_supply_fpregset (const struct regset *regset,
				struct regcache *regcache,
				int regnum, const void *gregs, size_t size);

enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
							  struct type *valtype,
							  struct regcache *regcache,
							  void *readbuf,
							  const void *writebuf);

/* From rs6000-tdep.c... */
CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
int rs6000_frameless_function_invocation (struct frame_info *);
void rs6000_frame_init_saved_regs (struct frame_info *);
CORE_ADDR rs6000_frame_chain (struct frame_info *);
int altivec_register_p (int regno);


/* Return non-zero when the architecture has an FPU (or at least when
   the ABI is using the FPU).  */
int ppc_floating_point_unit_p (struct gdbarch *gdbarch);

/* Private data that this module attaches to struct gdbarch. */

struct gdbarch_tdep
  {
    int wordsize;              /* size in bytes of fixed-point word */
    int *regoff;               /* byte offsets in register arrays */
    const struct reg *regs;    /* from current variant */
    int ppc_gp0_regnum;		/* GPR register 0 */
    int ppc_gplast_regnum;	/* GPR register 31 */
    int ppc_toc_regnum;		/* TOC register */
    int ppc_ps_regnum;	        /* Processor (or machine) status (%msr) */
    int ppc_cr_regnum;		/* Condition register */
    int ppc_lr_regnum;		/* Link register */
    int ppc_ctr_regnum;		/* Count register */
    int ppc_xer_regnum;		/* Integer exception register */
    int ppc_fpscr_regnum;	/* Floating point status and condition
    				   register */
    int ppc_mq_regnum;		/* Multiply/Divide extension register */
    int ppc_vr0_regnum;		/* First AltiVec register */
    int ppc_vrsave_regnum;	/* Last AltiVec register */
    int ppc_ev0_regnum;         /* First ev register */
    int ppc_ev31_regnum;        /* Last ev register */
    int lr_frame_offset;	/* Offset to ABI specific location where
                                   link register is saved.  */
};

#endif
Commit	Line	Data
9aa1e687	1	/* Target-dependent code for GDB, the GNU debugger.
f9be684a AC	2
	3	Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
	4	Inc.
9aa1e687 KB	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 59 Temple Place - Suite 330,
	21	Boston, MA 02111-1307, USA. */
	22
3a1c5313 AC	23	#ifndef PPC_TDEP_H
	24	#define PPC_TDEP_H
	25
da3331ec	26	struct gdbarch;
3a1c5313 AC	27	struct frame_info;
3a1c5313 AC	28	struct value;
4a4b3fed	29	struct regcache;
221c12ff	30	struct type;
3a1c5313	31
9aa1e687 KB	32	/* From ppc-linux-tdep.c... */
	33	CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi);
	34	void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *);
	35	int ppc_linux_frameless_function_invocation (struct frame_info *);
	36	void ppc_linux_frame_init_saved_regs (struct frame_info *);
	37	CORE_ADDR ppc_linux_frame_chain (struct frame_info *);
05580c65 AC	38	enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch,
	39	struct type *valtype,
	40	struct regcache *regcache,
963e2bb7 AC	41	void *readbuf,
963e2bb7 AC	42	const void *writebuf);
05580c65 AC	43	enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch,
	44	struct type *valtype,
	45	struct regcache *regcache,
963e2bb7 AC	46	void *readbuf,
963e2bb7 AC	47	const void *writebuf);
77b2b6d4 AC	48	CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
	49	CORE_ADDR func_addr,
	50	struct regcache *regcache,
	51	CORE_ADDR bp_addr, int nargs,
	52	struct value **args, CORE_ADDR sp,
	53	int struct_return,
	54	CORE_ADDR struct_addr);
8be9034a AC	55	CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
	56	CORE_ADDR func_addr,
	57	struct regcache *regcache,
	58	CORE_ADDR bp_addr, int nargs,
	59	struct value **args, CORE_ADDR sp,
	60	int struct_return,
	61	CORE_ADDR struct_addr);
6066c3de AC	62	CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
6066c3de AC	63	CORE_ADDR bpaddr);
9aa1e687	64	int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache);
6ded7999	65	struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
f9be684a AC	66	void ppc_linux_supply_gregset (struct regcache *regcache,
	67	int regnum, const void *gregs, size_t size,
	68	int wordsize);
	69	void ppc_linux_supply_fpregset (const struct regset *regset,
	70	struct regcache *regcache,
	71	int regnum, const void *gregs, size_t size);
9aa1e687	72
05580c65 AC	73	enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
	74	struct type *valtype,
	75	struct regcache *regcache,
963e2bb7 AC	76	void *readbuf,
963e2bb7 AC	77	const void *writebuf);
9aa1e687 KB	78
	79	/* From rs6000-tdep.c... */
	80	CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi);
	81	void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *);
	82	int rs6000_frameless_function_invocation (struct frame_info *);
	83	void rs6000_frame_init_saved_regs (struct frame_info *);
	84	CORE_ADDR rs6000_frame_chain (struct frame_info *);
1fcc0bb8	85	int altivec_register_p (int regno);
9aa1e687	86
0a613259 AC	87
	88	/* Return non-zero when the architecture has an FPU (or at least when
	89	the ABI is using the FPU). */
	90	int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
	91
2188cbdd EZ	92	/* Private data that this module attaches to struct gdbarch. */
	93
	94	struct gdbarch_tdep
	95	{
	96	int wordsize; /* size in bytes of fixed-point word */
2188cbdd EZ	97	int regoff; / byte offsets in register arrays */
	98	const struct reg regs; / from current variant */
	99	int ppc_gp0_regnum; /* GPR register 0 */
	100	int ppc_gplast_regnum; /* GPR register 31 */
	101	int ppc_toc_regnum; /* TOC register */
	102	int ppc_ps_regnum; /* Processor (or machine) status (%msr) */
	103	int ppc_cr_regnum; /* Condition register */
	104	int ppc_lr_regnum; /* Link register */
	105	int ppc_ctr_regnum; /* Count register */
	106	int ppc_xer_regnum; /* Integer exception register */
e3f36dbd KB	107	int ppc_fpscr_regnum; /* Floating point status and condition
e3f36dbd KB	108	register */
2188cbdd	109	int ppc_mq_regnum; /* Multiply/Divide extension register */
1fcc0bb8 EZ	110	int ppc_vr0_regnum; /* First AltiVec register */
1fcc0bb8 EZ	111	int ppc_vrsave_regnum; /* Last AltiVec register */
c8001721 EZ	112	int ppc_ev0_regnum; /* First ev register */
c8001721 EZ	113	int ppc_ev31_regnum; /* Last ev register */
a88376a3 KB	114	int lr_frame_offset; /* Offset to ABI specific location where
a88376a3 KB	115	link register is saved. */
2188cbdd	116	};
3a1c5313 AC	117
3a1c5313 AC	118	#endif