224 lines
6.1 KiB
C
224 lines
6.1 KiB
C
/* Target-dependent code for SPARC.
|
||
|
||
Copyright (C) 2003, 2004, 2006, 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 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_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
|
||
};
|
||
|
||
|
||
struct sparc_frame_cache
|
||
{
|
||
/* Base address. */
|
||
CORE_ADDR base;
|
||
CORE_ADDR pc;
|
||
|
||
/* Do we have a frame? */
|
||
int frameless_p;
|
||
|
||
/* 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);
|
||
|
||
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);
|
||
|
||
|
||
|
||
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, char *name);
|
||
|
||
extern char *sparc_sol2_static_transform_name (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 */
|