-/* 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 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
-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) (unsigned long insn);
+};
+
+/* 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);
+
+/* Return the contents if register REGNUM as an address. */
+extern CORE_ADDR sparc_address_from_register (int regnum);
+
+/* Fetch StackGhost Per-Process XOR cookie. */
+extern ULONGEST sparc_fetch_wcookie (void);
+
+extern CORE_ADDR sparc_analyze_prologue (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);
+
+extern struct sparc_frame_cache *
+ sparc32_frame_cache (struct frame_info *next_frame, void **this_cache);
+
+\f
+
+extern int sparc_software_single_step (struct regcache *regcache);
+
+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 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 (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