/* Target-dependent code for SPARC.
- Copyright 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003-2015 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,
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 <http://www.gnu.org/licenses/>. */
#ifndef SPARC_TDEP_H
#define SPARC_TDEP_H 1
/* Register offsets for the general-purpose register set. */
-struct sparc_gregset
+struct sparc_gregmap
{
int r_psr_offset;
int r_pc_offset;
int r_y_size;
};
+struct sparc_fpregmap
+{
+ int r_f0_offset;
+ int r_fsr_offset;
+};
+
/* SPARC architecture-specific information. */
struct gdbarch_tdep
int npc_regnum;
/* Register sets. */
- struct regset *gregset;
+ const struct regset *gregset;
size_t sizeof_gregset;
- struct regset *fpregset;
+ const struct regset *fpregset;
size_t sizeof_fpregset;
/* Offset of saved PC in jmp_buf. */
/* 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. */
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
};
/* Do we have a frame? */
int frameless_p;
- /* Do we have a Structure, Union or Quad-Precision return value?. */
+ /* 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. */
extern unsigned long sparc_fetch_instruction (CORE_ADDR pc);
/* Fetch StackGhost Per-Process XOR cookie. */
-extern ULONGEST sparc_fetch_wcookie (void);
+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);
-extern CORE_ADDR sparc_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
+/* 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 *next_frame, void **this_cache);
+ sparc_frame_cache (struct frame_info *this_frame, void **this_cache);
extern struct sparc_frame_cache *
- sparc32_frame_cache (struct frame_info *next_frame, void **this_cache);
+ sparc32_frame_cache (struct frame_info *this_frame, void **this_cache);
+
+extern int
+ sparc_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc);
\f
-extern void sparc_software_single_step (enum target_signal sig,
- int insert_breakpoints_p);
+extern int sparc_software_single_step (struct frame_info *frame);
extern void sparc_supply_rwindow (struct regcache *regcache,
CORE_ADDR sp, int regnum);
CORE_ADDR sp, int regnum);
/* Register offsets for SunOS 4. */
-extern const struct sparc_gregset sparc32_sunos4_gregset;
+extern const struct sparc_gregmap sparc32_sunos4_gregmap;
+extern const struct sparc_fpregmap sparc32_sunos4_fpregmap;
+extern const struct sparc_fpregmap sparc32_bsd_fpregmap;
-extern void sparc32_supply_gregset (const struct sparc_gregset *gregset,
+extern void sparc32_supply_gregset (const struct sparc_gregmap *gregmap,
struct regcache *regcache,
int regnum, const void *gregs);
-extern void sparc32_collect_gregset (const struct sparc_gregset *gregset,
+extern void sparc32_collect_gregset (const struct sparc_gregmap *gregmap,
const struct regcache *regcache,
int regnum, void *gregs);
-extern void sparc32_supply_fpregset (struct regcache *regcache,
+extern void sparc32_supply_fpregset (const struct sparc_fpregmap *fpregmap,
+ struct regcache *regcache,
int regnum, const void *fpregs);
-extern void sparc32_collect_fpregset (const struct regcache *regcache,
+extern void sparc32_collect_fpregset (const struct sparc_fpregmap *fpregmap,
+ const struct regcache *regcache,
int regnum, void *fpregs);
+extern int sparc_is_annulled_branch_insn (CORE_ADDR pc);
+
/* Functions and variables exported from sparc-sol2-tdep.c. */
/* Register offsets for Solaris 2. */
-extern const struct sparc_gregset sparc32_sol2_gregset;
+extern const struct sparc_gregmap sparc32_sol2_gregmap;
+extern const struct sparc_fpregmap sparc32_sol2_fpregmap;
-extern int sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name);
+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;
+extern const struct sparc_gregmap sparc32nbsd_gregmap;
+
+/* 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);
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