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

/* Target-dependent code for SPARC.

   Copyright (C) 2003-2004, 2006-2012 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 3 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, see <http://www.gnu.org/licenses/>.  */

#ifndef SPARC_TDEP_H
#define SPARC_TDEP_H 1

struct frame_info;
struct gdbarch;
struct regcache;
struct regset;
struct trad_frame_saved_reg;

/* Register offsets for the general-purpose register set.  */

struct sparc_gregset
{
  int r_psr_offset;
  int r_pc_offset;
  int r_npc_offset;
  int r_y_offset;
  int r_wim_offset;
  int r_tbr_offset;
  int r_g1_offset;
  int r_l0_offset;
  int r_y_size;
};

/* SPARC architecture-specific information.  */

struct gdbarch_tdep
{
  /* Register numbers for the PN and nPC registers.  The definitions
     for (64-bit) UltraSPARC differ from the (32-bit) SPARC
     definitions.  */
  int pc_regnum;
  int npc_regnum;

  /* Register sets.  */
  struct regset *gregset;
  size_t sizeof_gregset;
  struct regset *fpregset;
  size_t sizeof_fpregset;

  /* Offset of saved PC in jmp_buf.  */
  int jb_pc_offset;

  /* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
     treat the PLT special when doing prologue analysis.  */
  size_t plt_entry_size;

  /* Alternative location for trap return.  Used for single-stepping.  */
  CORE_ADDR (*step_trap) (struct frame_info *frame, unsigned long insn);

  /* ISA-specific data types.  */
  struct type *sparc_psr_type;
  struct type *sparc_fsr_type;
  struct type *sparc64_pstate_type;
  struct type *sparc64_fsr_type;
  struct type *sparc64_fprs_type;
};

/* Register numbers of various important registers.  */

enum sparc_regnum
{
  SPARC_G0_REGNUM,		/* %g0 */
  SPARC_G1_REGNUM,
  SPARC_G2_REGNUM,
  SPARC_G3_REGNUM,
  SPARC_G4_REGNUM,
  SPARC_G5_REGNUM,
  SPARC_G6_REGNUM,
  SPARC_G7_REGNUM,		/* %g7 */
  SPARC_O0_REGNUM,		/* %o0 */
  SPARC_O1_REGNUM,
  SPARC_O2_REGNUM,
  SPARC_O3_REGNUM,
  SPARC_O4_REGNUM,
  SPARC_O5_REGNUM,
  SPARC_SP_REGNUM,		/* %sp (%o6) */
  SPARC_O7_REGNUM,		/* %o7 */
  SPARC_L0_REGNUM,		/* %l0 */
  SPARC_L1_REGNUM,
  SPARC_L2_REGNUM,
  SPARC_L3_REGNUM,
  SPARC_L4_REGNUM,
  SPARC_L5_REGNUM,
  SPARC_L6_REGNUM,
  SPARC_L7_REGNUM,		/* %l7 */
  SPARC_I0_REGNUM,		/* %i0 */
  SPARC_I1_REGNUM,
  SPARC_I2_REGNUM,
  SPARC_I3_REGNUM,
  SPARC_I4_REGNUM,
  SPARC_I5_REGNUM,
  SPARC_FP_REGNUM,		/* %fp (%i6) */
  SPARC_I7_REGNUM,		/* %i7 */
  SPARC_F0_REGNUM,		/* %f0 */
  SPARC_F1_REGNUM,
  SPARC_F2_REGNUM,
  SPARC_F3_REGNUM,
  SPARC_F4_REGNUM,
  SPARC_F5_REGNUM,
  SPARC_F6_REGNUM,
  SPARC_F7_REGNUM,
  SPARC_F31_REGNUM		/* %f31 */
  = SPARC_F0_REGNUM + 31
};

enum sparc32_regnum
{
  SPARC32_Y_REGNUM		/* %y */
  = SPARC_F31_REGNUM + 1,
  SPARC32_PSR_REGNUM,		/* %psr */
  SPARC32_WIM_REGNUM,		/* %wim */
  SPARC32_TBR_REGNUM,		/* %tbr */
  SPARC32_PC_REGNUM,		/* %pc */
  SPARC32_NPC_REGNUM,		/* %npc */
  SPARC32_FSR_REGNUM,		/* %fsr */
  SPARC32_CSR_REGNUM,		/* %csr */

  /* Pseudo registers.  */
  SPARC32_D0_REGNUM,		/* %d0 */
  SPARC32_D30_REGNUM		/* %d30 */
  = SPARC32_D0_REGNUM + 15
};
\f

struct sparc_frame_cache
{
  /* Base address.  */
  CORE_ADDR base;
  CORE_ADDR pc;

  /* Do we have a frame?  */
  int frameless_p;

  /* The offset from the base register to the CFA.  */
  int frame_offset;

  /* Mask of `local' and `in' registers saved in the register save area.  */
  unsigned short int saved_regs_mask;

  /* Mask of `out' registers copied or renamed to their `in' sibling.  */
  unsigned char copied_regs_mask;

  /* Do we have a Structure, Union or Quad-Precision return value?  */
  int struct_return_p;

  /* Table of saved registers.  */
  struct trad_frame_saved_reg *saved_regs;
};

/* Fetch the instruction at PC.  */
extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);

/* Fetch StackGhost Per-Process XOR cookie.  */
extern ULONGEST sparc_fetch_wcookie (struct gdbarch *gdbarch);

/* Record the effect of a SAVE instruction on CACHE.  */
extern void sparc_record_save_insn (struct sparc_frame_cache *cache);

/* Do a full analysis of the prologue at PC and update CACHE accordingly.  */
extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
					 CORE_ADDR pc, CORE_ADDR current_pc,
					 struct sparc_frame_cache *cache);

extern struct sparc_frame_cache *
  sparc_frame_cache (struct frame_info *this_frame, void **this_cache);

extern struct sparc_frame_cache *
  sparc32_frame_cache (struct frame_info *this_frame, void **this_cache);

\f

extern int sparc_software_single_step (struct frame_info *frame);

extern void sparc_supply_rwindow (struct regcache *regcache,
				  CORE_ADDR sp, int regnum);
extern void sparc_collect_rwindow (const struct regcache *regcache,
				   CORE_ADDR sp, int regnum);

/* Register offsets for SunOS 4.  */
extern const struct sparc_gregset sparc32_sunos4_gregset;

extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
				    struct regcache *regcache,
				    int regnum, const void *gregs);
extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
				     const struct regcache *regcache,
				     int regnum, void *gregs);
extern void sparc32_supply_fpregset (struct regcache *regcache,
				     int regnum, const void *fpregs);
extern void sparc32_collect_fpregset (const struct regcache *regcache,
				      int regnum, void *fpregs);

/* Functions and variables exported from sparc-sol2-tdep.c.  */

/* Register offsets for Solaris 2.  */
extern const struct sparc_gregset sparc32_sol2_gregset;

extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name);

extern const char *sparc_sol2_static_transform_name (const char *name);

extern void sparc32_sol2_init_abi (struct gdbarch_info info,
				   struct gdbarch *gdbarch);

/* Functions and variables exported from sparcnbsd-tdep.c.  */

/* Register offsets for NetBSD.  */
extern const struct sparc_gregset sparc32nbsd_gregset;

/* Return the address of a system call's alternative return
   address.  */
extern CORE_ADDR sparcnbsd_step_trap (struct frame_info *frame,
				      unsigned long insn);

extern void sparc32nbsd_elf_init_abi (struct gdbarch_info info,
				      struct gdbarch *gdbarch);

extern struct trad_frame_saved_reg *
  sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame);

#endif /* sparc-tdep.h */
Commit	Line	Data
386c036b	1	/* Target-dependent code for SPARC.
c139e7d9	2
0b302171	3	Copyright (C) 2003-2004, 2006-2012 Free Software Foundation, Inc.
c139e7d9 DJ	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
a9762ec7	9	the Free Software Foundation; either version 3 of the License, or
c139e7d9 DJ	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
a9762ec7	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
c139e7d9	19
386c036b MK	20	#ifndef SPARC_TDEP_H
	21	#define SPARC_TDEP_H 1
	22
566626fa	23	struct frame_info;
386c036b MK	24	struct gdbarch;
386c036b MK	25	struct regcache;
a54124c5	26	struct regset;
386c036b MK	27	struct trad_frame_saved_reg;
	28
	29	/* Register offsets for the general-purpose register set. */
	30
	31	struct sparc_gregset
	32	{
	33	int r_psr_offset;
	34	int r_pc_offset;
	35	int r_npc_offset;
	36	int r_y_offset;
	37	int r_wim_offset;
	38	int r_tbr_offset;
	39	int r_g1_offset;
	40	int r_l0_offset;
	41	int r_y_size;
	42	};
	43
	44	/* SPARC architecture-specific information. */
	45
	46	struct gdbarch_tdep
	47	{
	48	/* Register numbers for the PN and nPC registers. The definitions
	49	for (64-bit) UltraSPARC differ from the (32-bit) SPARC
	50	definitions. */
	51	int pc_regnum;
	52	int npc_regnum;
	53
a54124c5 MK	54	/* Register sets. */
	55	struct regset *gregset;
	56	size_t sizeof_gregset;
	57	struct regset *fpregset;
	58	size_t sizeof_fpregset;
	59
386c036b MK	60	/* Offset of saved PC in jmp_buf. */
	61	int jb_pc_offset;
	62
	63	/* Size of an Procedure Linkage Table (PLT) entry, 0 if we shouldn't
	64	treat the PLT special when doing prologue analysis. */
	65	size_t plt_entry_size;
c893be75 MK	66
c893be75 MK	67	/* Alternative location for trap return. Used for single-stepping. */
0b1b3e42	68	CORE_ADDR (step_trap) (struct frame_info frame, unsigned long insn);
209bd28e UW	69
	70	/* ISA-specific data types. */
	71	struct type *sparc_psr_type;
	72	struct type *sparc_fsr_type;
	73	struct type *sparc64_pstate_type;
	74	struct type *sparc64_fsr_type;
	75	struct type *sparc64_fprs_type;
386c036b MK	76	};
	77
	78	/* Register numbers of various important registers. */
	79
	80	enum sparc_regnum
	81	{
	82	SPARC_G0_REGNUM, /* %g0 */
	83	SPARC_G1_REGNUM,
	84	SPARC_G2_REGNUM,
	85	SPARC_G3_REGNUM,
	86	SPARC_G4_REGNUM,
	87	SPARC_G5_REGNUM,
	88	SPARC_G6_REGNUM,
	89	SPARC_G7_REGNUM, /* %g7 */
	90	SPARC_O0_REGNUM, /* %o0 */
	91	SPARC_O1_REGNUM,
	92	SPARC_O2_REGNUM,
	93	SPARC_O3_REGNUM,
	94	SPARC_O4_REGNUM,
	95	SPARC_O5_REGNUM,
	96	SPARC_SP_REGNUM, /* %sp (%o6) */
	97	SPARC_O7_REGNUM, /* %o7 */
	98	SPARC_L0_REGNUM, /* %l0 */
	99	SPARC_L1_REGNUM,
	100	SPARC_L2_REGNUM,
	101	SPARC_L3_REGNUM,
	102	SPARC_L4_REGNUM,
	103	SPARC_L5_REGNUM,
	104	SPARC_L6_REGNUM,
	105	SPARC_L7_REGNUM, /* %l7 */
	106	SPARC_I0_REGNUM, /* %i0 */
	107	SPARC_I1_REGNUM,
	108	SPARC_I2_REGNUM,
	109	SPARC_I3_REGNUM,
	110	SPARC_I4_REGNUM,
	111	SPARC_I5_REGNUM,
	112	SPARC_FP_REGNUM, /* %fp (%i6) */
	113	SPARC_I7_REGNUM, /* %i7 */
	114	SPARC_F0_REGNUM, /* %f0 */
	115	SPARC_F1_REGNUM,
fe10a582 DM	116	SPARC_F2_REGNUM,
	117	SPARC_F3_REGNUM,
	118	SPARC_F4_REGNUM,
	119	SPARC_F5_REGNUM,
	120	SPARC_F6_REGNUM,
	121	SPARC_F7_REGNUM,
386c036b MK	122	SPARC_F31_REGNUM /* %f31 */
	123	= SPARC_F0_REGNUM + 31
	124	};
	125
	126	enum sparc32_regnum
	127	{
	128	SPARC32_Y_REGNUM /* %y */
	129	= SPARC_F31_REGNUM + 1,
	130	SPARC32_PSR_REGNUM, /* %psr */
	131	SPARC32_WIM_REGNUM, /* %wim */
	132	SPARC32_TBR_REGNUM, /* %tbr */
	133	SPARC32_PC_REGNUM, /* %pc */
	134	SPARC32_NPC_REGNUM, /* %npc */
	135	SPARC32_FSR_REGNUM, /* %fsr */
	136	SPARC32_CSR_REGNUM, /* %csr */
	137
	138	/* Pseudo registers. */
	139	SPARC32_D0_REGNUM, /* %d0 */
	140	SPARC32_D30_REGNUM /* %d30 */
	141	= SPARC32_D0_REGNUM + 15
	142	};
	143	\f
	144
	145	struct sparc_frame_cache
	146	{
	147	/* Base address. */
	148	CORE_ADDR base;
	149	CORE_ADDR pc;
	150
	151	/* Do we have a frame? */
	152	int frameless_p;
	153
369c397b JB	154	/* The offset from the base register to the CFA. */
	155	int frame_offset;
	156
	157	/* Mask of `local' and `in' registers saved in the register save area. */
	158	unsigned short int saved_regs_mask;
	159
	160	/* Mask of `out' registers copied or renamed to their `in' sibling. */
	161	unsigned char copied_regs_mask;
	162
c378eb4e	163	/* Do we have a Structure, Union or Quad-Precision return value? */
386c036b MK	164	int struct_return_p;
	165
	166	/* Table of saved registers. */
	167	struct trad_frame_saved_reg *saved_regs;
	168	};
	169
	170	/* Fetch the instruction at PC. */
	171	extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
	172
1c800673	173	/* Fetch StackGhost Per-Process XOR cookie. */
e17a4113	174	extern ULONGEST sparc_fetch_wcookie (struct gdbarch *gdbarch);
1c800673	175
369c397b JB	176	/* Record the effect of a SAVE instruction on CACHE. */
	177	extern void sparc_record_save_insn (struct sparc_frame_cache *cache);
	178
	179	/* Do a full analysis of the prologue at PC and update CACHE accordingly. */
be8626e0 MD	180	extern CORE_ADDR sparc_analyze_prologue (struct gdbarch *gdbarch,
be8626e0 MD	181	CORE_ADDR pc, CORE_ADDR current_pc,
386c036b MK	182	struct sparc_frame_cache *cache);
	183
	184	extern struct sparc_frame_cache *
236369e7	185	sparc_frame_cache (struct frame_info this_frame, void *this_cache);
386c036b MK	186
386c036b MK	187	extern struct sparc_frame_cache *
236369e7	188	sparc32_frame_cache (struct frame_info this_frame, void *this_cache);
386c036b MK	189
	190	\f
	191
0b1b3e42	192	extern int sparc_software_single_step (struct frame_info *frame);
386c036b MK	193
	194	extern void sparc_supply_rwindow (struct regcache *regcache,
	195	CORE_ADDR sp, int regnum);
	196	extern void sparc_collect_rwindow (const struct regcache *regcache,
	197	CORE_ADDR sp, int regnum);
	198
	199	/* Register offsets for SunOS 4. */
	200	extern const struct sparc_gregset sparc32_sunos4_gregset;
	201
	202	extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
	203	struct regcache *regcache,
	204	int regnum, const void *gregs);
	205	extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
	206	const struct regcache *regcache,
	207	int regnum, void *gregs);
	208	extern void sparc32_supply_fpregset (struct regcache *regcache,
	209	int regnum, const void *fpregs);
	210	extern void sparc32_collect_fpregset (const struct regcache *regcache,
	211	int regnum, void *fpregs);
	212
	213	/* Functions and variables exported from sparc-sol2-tdep.c. */
	214
	215	/* Register offsets for Solaris 2. */
	216	extern const struct sparc_gregset sparc32_sol2_gregset;
	217
2c02bd72	218	extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name);
386c036b	219
0d5cff50	220	extern const char sparc_sol2_static_transform_name (const char name);
149ad273	221
386c036b MK	222	extern void sparc32_sol2_init_abi (struct gdbarch_info info,
	223	struct gdbarch *gdbarch);
	224
	225	/* Functions and variables exported from sparcnbsd-tdep.c. */
	226
	227	/* Register offsets for NetBSD. */
	228	extern const struct sparc_gregset sparc32nbsd_gregset;
	229
c893be75 MK	230	/* Return the address of a system call's alternative return
c893be75 MK	231	address. */
0b1b3e42 UW	232	extern CORE_ADDR sparcnbsd_step_trap (struct frame_info *frame,
0b1b3e42 UW	233	unsigned long insn);
c893be75	234
19671c2b MK	235	extern void sparc32nbsd_elf_init_abi (struct gdbarch_info info,
	236	struct gdbarch *gdbarch);
	237
566626fa MK	238	extern struct trad_frame_saved_reg *
	239	sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame);
	240
386c036b	241	#endif /* sparc-tdep.h */