-/* Target-dependent code for the SPARC for GDB, the GNU debugger.
+/* Target-dependent code for SPARC.
- Copyright 2003 Free Software Foundation, Inc.
+ 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 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/>. */
-extern int sparc_y_regnum (void);
+#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
+};
+\f
+
+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);
+
+\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, 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 */
projects / deliverable / binutils-gdb.git / blobdiff