/* Target-dependent code for the Xtensa port of GDB, the GNU debugger.
- Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005, 2006, 2007, 2008 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* XTENSA_TDEP_VERSION can/should be changed along with XTENSA_CONFIG_VERSION
/* Xtensa register group. */
+#define XTENSA_MAX_COPROCESSOR 0x08 /* Number of Xtensa coprocessors. */
+
typedef enum
{
xtRegisterGroupUnknown = 0,
xtRegisterGroupFloat = 0x0400, /* Floating Point. */
xtRegisterGroupVectra = 0x0800, /* Vectra. */
xtRegisterGroupSystem = 0x1000, /* System. */
+
+ xtRegisterGroupCP0 = 0x01000000, /* CP0. */
+ xtRegisterGroupCP1 = 0x02000000, /* CP1. */
+ xtRegisterGroupCP2 = 0x04000000, /* CP2. */
+ xtRegisterGroupCP3 = 0x08000000, /* CP3. */
+ xtRegisterGroupCP4 = 0x10000000, /* CP4. */
+ xtRegisterGroupCP5 = 0x20000000, /* CP5. */
+ xtRegisterGroupCP6 = 0x40000000, /* CP6. */
+ xtRegisterGroupCP7 = 0x80000000, /* CP7. */
+
} xtensa_register_group_t;
xtensa_elf_greg_t ar[0]; /* variable size (per config). */
} xtensa_elf_gregset_t;
-#define SIZEOF_GREGSET (sizeof (xtensa_elf_gregset_t) + NUM_AREGS * 4)
-#define XTENSA_ELF_NGREG (SIZEOF_GREGSET / sizeof(xtensa_elf_greg_t))
-
/* Mask. */
+typedef struct
+{
+ int reg_num;
+ int bit_start;
+ int bit_size;
+} xtensa_reg_mask_t;
+
typedef struct
{
int count;
- struct
- {
- int reg_num;
- int bit_start;
- int bit_size;
- } mask[0];
+ xtensa_reg_mask_t *mask;
} xtensa_mask_t;
};
-/* Define macros to access some of the gdbarch entries. */
-#define XTENSA_TARGET_FLAGS \
- (gdbarch_tdep (current_gdbarch)->target_flags)
-#define SPILL_LOCATION \
- (gdbarch_tdep (current_gdbarch)->spill_location)
-#define SPILL_SIZE \
- (gdbarch_tdep (current_gdbarch)->spill_size)
-#define CALL_ABI \
- (gdbarch_tdep (current_gdbarch)->call_abi)
-#define ISA_USE_WINDOWED_REGISTERS \
- (gdbarch_tdep (current_gdbarch)->isa_use_windowed_registers)
-#define ISA_USE_DENSITY_INSTRUCTIONS \
- (gdbarch_tdep (current_gdbarch)->isa_use_density_instructions)
-#define ISA_USE_EXCEPTIONS \
- (gdbarch_tdep (current_gdbarch)->isa_use_exceptions)
-#define ISA_USE_EXT_L32R \
- (gdbarch_tdep (current_gdbarch)->isa_use_ext_l32r)
-#define DEBUG_DATA_VADDR_TRAP_COUNT \
- (gdbarch_tdep (current_gdbarch)->debug_data_vaddr_trap_count)
-#define DEBUG_INST_VADDR_TRAP_COUNT \
- (gdbarch_tdep (current_gdbarch)->debug_inst_vaddr_trap_count)
-#define ISA_MAX_INSN_SIZE \
- (gdbarch_tdep (current_gdbarch)->isa_max_insn_size)
-#define DEBUG_NUM_IBREAKS \
- (gdbarch_tdep (current_gdbarch)->debug_num_ibreaks)
-#define DEBUG_NUM_DBREAKS \
- (gdbarch_tdep (current_gdbarch)->debug_num_dbreaks)
-
-#define NUM_AREGS (gdbarch_tdep (current_gdbarch)->num_aregs)
-#define WB_REGNUM (gdbarch_tdep (current_gdbarch)->wb_regnum)
-#define WS_REGNUM (gdbarch_tdep (current_gdbarch)->ws_regnum)
-#define LBEG_REGNUM (gdbarch_tdep (current_gdbarch)->lbeg_regnum)
-#define LEND_REGNUM (gdbarch_tdep (current_gdbarch)->lend_regnum)
-#define LCOUNT_REGNUM (gdbarch_tdep (current_gdbarch)->lcount_regnum)
-#define SAR_REGNUM (gdbarch_tdep (current_gdbarch)->sar_regnum)
-#define REGMAP (gdbarch_tdep (current_gdbarch)->regmap)
-
-#define LITBASE_REGNUM (gdbarch_tdep (current_gdbarch)->litbase_regnum)
-#define DEBUGCAUSE_REGNUM (gdbarch_tdep (current_gdbarch)->debugcause_regnum)
-#define EXCCAUSE_REGNUM (gdbarch_tdep (current_gdbarch)->exccause_regnum)
-#define EXCVADDR_REGNUM (gdbarch_tdep (current_gdbarch)->excvaddr_regnum)
-#define NUM_IBREAKS (gdbarch_tdep (current_gdbarch)->num_ibreaks)
-#define REGMAP_BYTES (gdbarch_tdep (current_gdbarch)->regmap_bytes)
-#define A0_BASE (gdbarch_tdep (current_gdbarch)->a0_base)
-#define AR_BASE (gdbarch_tdep (current_gdbarch)->ar_base)
-#define FP_ALIAS (NUM_REGS + NUM_PSEUDO_REGS)
-#define CALL_ABI (gdbarch_tdep (current_gdbarch)->call_abi)
-#define NUM_CONTEXTS (gdbarch_tdep (current_gdbarch)->num_contexts)
-
-#define FP_LAYOUT (gdbarch_tdep (current_gdbarch)->fp_layout)
-#define FP_LAYOUT_BYTES (gdbarch_tdep (current_gdbarch)->fp_layout_bytes)
-#define GREGMAP (gdbarch_tdep (current_gdbarch)->gregmap)
-
-#define AREGS_MASK (NUM_AREGS - 1)
-#define WB_MASK (AREGS_MASK >> 2)
#define WB_SHIFT 2
/* We assign fixed numbers to the registers of the "current" window
data structure to their corresponding register in the AR register
file (see xtensa-tdep.c). */
-#define A0_REGNUM (A0_BASE + 0)
-#define A1_REGNUM (A0_BASE + 1)
-#define A2_REGNUM (A0_BASE + 2)
-#define A3_REGNUM (A0_BASE + 3)
-#define A4_REGNUM (A0_BASE + 4)
-#define A5_REGNUM (A0_BASE + 5)
-#define A6_REGNUM (A0_BASE + 6)
-#define A7_REGNUM (A0_BASE + 7)
-#define A8_REGNUM (A0_BASE + 8)
-#define A9_REGNUM (A0_BASE + 9)
-#define A10_REGNUM (A0_BASE + 10)
-#define A11_REGNUM (A0_BASE + 11)
-#define A12_REGNUM (A0_BASE + 12)
-#define A13_REGNUM (A0_BASE + 13)
-#define A14_REGNUM (A0_BASE + 14)
-#define A15_REGNUM (A0_BASE + 15)
-