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Diffstat (limited to 'gdb/sparc-tdep.h')
-rw-r--r-- | gdb/sparc-tdep.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gdb/sparc-tdep.h b/gdb/sparc-tdep.h new file mode 100644 index 0000000..88f6ee6 --- /dev/null +++ b/gdb/sparc-tdep.h @@ -0,0 +1,99 @@ +/* Common target dependent code for GDB on SPARC systems. + Copyright 2002 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 + (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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* + * Some local macros that have multi-arch and non-multi-arch versions: + */ + +#if (GDB_MULTI_ARCH > 0) + +/* Does the target have Floating Point registers? */ +#define SPARC_HAS_FPU (gdbarch_tdep (current_gdbarch)->has_fpu) +/* Number of bytes devoted to Floating Point registers: */ +#define FP_REGISTER_BYTES (gdbarch_tdep (current_gdbarch)->fp_register_bytes) +/* Highest numbered Floating Point register. */ +#define FP_MAX_REGNUM (gdbarch_tdep (current_gdbarch)->fp_max_regnum) +/* Size of a general (integer) register: */ +#define SPARC_INTREG_SIZE (gdbarch_tdep (current_gdbarch)->intreg_size) +/* Offset within the call dummy stack of the saved registers. */ +#define DUMMY_REG_SAVE_OFFSET (gdbarch_tdep (current_gdbarch)->reg_save_offset) + +#else /* non-multi-arch */ + +/* Does the target have Floating Point registers? */ +#if defined(TARGET_SPARCLET) || defined(TARGET_SPARCLITE) +#define SPARC_HAS_FPU 0 +#else +#define SPARC_HAS_FPU 1 +#endif + +/* Number of bytes devoted to Floating Point registers: */ +#if (GDB_TARGET_IS_SPARC64) +#define FP_REGISTER_BYTES (64 * 4) +#else +#if (SPARC_HAS_FPU) +#define FP_REGISTER_BYTES (32 * 4) +#else +#define FP_REGISTER_BYTES 0 +#endif +#endif + +/* Highest numbered Floating Point register. */ +#if (GDB_TARGET_IS_SPARC64) +#define FP_MAX_REGNUM (FP0_REGNUM + 48) +#else +#define FP_MAX_REGNUM (FP0_REGNUM + 32) +#endif + +/* Size of a general (integer) register: */ +#define SPARC_INTREG_SIZE (REGISTER_RAW_SIZE (G0_REGNUM)) + +/* Offset within the call dummy stack of the saved registers. */ +#if (GDB_TARGET_IS_SPARC64) +#define DUMMY_REG_SAVE_OFFSET (128 + 16) +#else +#define DUMMY_REG_SAVE_OFFSET 0x60 +#endif + +#endif /* GDB_MULTI_ARCH */ + +#ifndef CALL_DUMMY_CALL_OFFSET +#define CALL_DUMMY_CALL_OFFSET \ + (gdbarch_tdep (current_gdbarch)->call_dummy_call_offset) +#endif /* CALL_DUMMY_CALL_OFFSET */ + +struct gdbarch_tdep + { + int os_ident; + int has_fpu; + int fp_register_bytes; + int y_regnum; + int fp_max_regnum; + int intreg_size; + int reg_save_offset; + int call_dummy_call_offset; + int print_insn_mach; + }; + +/* How a OS variant tells the SPARC generic code that it can handle an ABI + type. */ +extern void sparc_gdbarch_register_os_abi (int os_ident, + void (*init_abi)(struct gdbarch_info, + struct gdbarch *)); |