#include "defs.h"
#include "frame.h"
#include "solib-svr4.h"
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "value.h"
#include "dis-asm.h"
#include "inferior.h"
#include "floatformat.h"
#include "regcache.h"
#include "reggroups.h"
#include "regset.h"
#include "dummy-frame.h"
#include "dwarf2.h"
#include "dwarf2-frame.h"
#include "dwarf2loc.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "arch-utils.h"
#include "gdbarch.h"
#include "remote.h"
#include "serial.h"
#include "command.h"
#include "gdbcmd.h"
#include "gdb_assert.h"
#include "xtensa-isa.h"
#include "xtensa-tdep.h"
#include "xtensa-config.h"

Defines
#define	DEBUGWARN(args...)
#define	DEBUGINFO(args...)
#define	DEBUGTRACE(args...)
#define	DEBUGVERB(args...)
#define	SP_ALIGNMENT 16
#define	ARGS_NUM_REGS 6
#define	REGISTER_SIZE 4
#define	PS_CALLINC_SHIFT 16
#define	PS_CALLINC_MASK 0x00030000
#define	CALLINC(ps) (((ps) & PS_CALLINC_MASK) >> PS_CALLINC_SHIFT)
#define	WINSIZE(ra) (4 * (( (ra) >> 30) & 0x3))
#define	TX_PS 0x20
#define	ARG_NOF(gdbarch)
#define	ARG_1ST(gdbarch)
#define	XTENSA_IS_ENTRY(gdbarch, op1)
#define	XTENSA_ENTRY_LENGTH 3
#define	PS_WOE (1<<18)
#define	PS_EXC (1<<4)
#define	SAVE_REST_FLAGS
#define	SAVE_REST_VALID
#define	XTENSA_NUM_SAVED_AREGS 12
#define	C0_MAXOPDS
#define	C0_NREGS 16 /* Number of A-registers to track. */
#define	C0_CLESV 12 /* Callee-saved registers are here and up. */
#define	C0_SP 1 /* Register used as SP. */
#define	C0_FP 15 /* Register used as FP. */
#define	C0_RA 0 /* Register used as return address. */
#define	C0_ARGS 2 /* Register used as first arg/retval. */
#define	C0_NARGS 6 /* Number of A-regs for args/retvals. */
#define	C0_CONST -1 /* fr_reg value if register contains a constant. */
#define	C0_INEXP -2 /* fr_reg value if inexpressible as reg + offset. */
#define	C0_NOSTK -1 /* to_stk value if register has not been stored. */
#define	XTENSA_ISA_BSZ 32 /* Instruction buffer size. */
#define	XTENSA_ISA_BADPC ((CORE_ADDR)0) /* Bad PC value. */
#define	RETURN_FP goto done
#define	BIG_BREAKPOINT { 0x00, 0x04, 0x00 }
#define	LITTLE_BREAKPOINT { 0x00, 0x40, 0x00 }
#define	DENSITY_BIG_BREAKPOINT { 0xd2, 0x0f }
#define	DENSITY_LITTLE_BREAKPOINT { 0x2d, 0xf0 }
#define	RETURN_RET goto done
#define	XTENSA_MAX_WINDOW_INTERRUPT_HANDLER_LEN 200
#define	XTENSA_DBREGN_SREG(n) (0x0200+(n))
Typedefs
typedef struct xtensa_windowed_frame_cache	xtensa_windowed_frame_cache_t
typedef struct xtensa_c0reg	xtensa_c0reg_t
typedef struct xtensa_call0_frame_cache	xtensa_call0_frame_cache_t
typedef struct xtensa_frame_cache	xtensa_frame_cache_t
Enumerations
enum	xtensa_insn_kind { c0opc_illegal, c0opc_uninteresting, c0opc_flow, c0opc_entry, c0opc_break, c0opc_add, c0opc_addi, c0opc_and, c0opc_sub, c0opc_mov, c0opc_movi, c0opc_l32r, c0opc_s32i, c0opc_rwxsr, c0opc_l32e, c0opc_s32e, c0opc_rfwo, c0opc_rfwu, c0opc_NrOf }
enum	xtensa_exception_handler_t { xtWindowOverflow, xtWindowUnderflow, xtNoExceptionHandler }
Functions
void	_initialize_xtensa_tdep (void)
Variables
xtensa_isa	xtensa_default_isa
struct gdbarch_tdep	xtensa_tdep
initialize_file_ftype	_initialize_xtensa_tdep

Define Documentation

#define ARG_1ST ( gdbarch )

Value:

(gdbarch_tdep (gdbarch)->call_abi  == CallAbiCall0Only \
   ? (gdbarch_tdep (gdbarch)->a0_base + C0_ARGS) \
   : (gdbarch_tdep (gdbarch)->a0_base + 6))

Definition at line 102 of file xtensa-tdep.c.

#define ARG_NOF ( gdbarch )

Value:

(gdbarch_tdep (gdbarch)->call_abi \
   == CallAbiCall0Only ? C0_NARGS : (ARGS_NUM_REGS))

Definition at line 99 of file xtensa-tdep.c.

#define ARGS_NUM_REGS 6

Definition at line 83 of file xtensa-tdep.c.

#define BIG_BREAKPOINT { 0x00, 0x04, 0x00 }

Definition at line 1980 of file xtensa-tdep.c.

#define C0_ARGS 2 /* Register used as first arg/retval. */

Definition at line 963 of file xtensa-tdep.c.

#define C0_CLESV 12 /* Callee-saved registers are here and up. */

Definition at line 959 of file xtensa-tdep.c.

#define C0_CONST -1 /* fr_reg value if register contains a constant. */

Definition at line 973 of file xtensa-tdep.c.

#define C0_FP 15 /* Register used as FP. */

Definition at line 961 of file xtensa-tdep.c.

#define C0_INEXP -2 /* fr_reg value if inexpressible as reg + offset. */

Definition at line 974 of file xtensa-tdep.c.

#define C0_MAXOPDS

Value:

3       /* Maximum number of operands for prologue
                           analysis.  */

Definition at line 957 of file xtensa-tdep.c.

#define C0_NARGS 6 /* Number of A-regs for args/retvals. */

Definition at line 964 of file xtensa-tdep.c.

#define C0_NOSTK -1 /* to_stk value if register has not been stored. */

Definition at line 975 of file xtensa-tdep.c.

#define C0_NREGS 16 /* Number of A-registers to track. */

Definition at line 958 of file xtensa-tdep.c.

#define C0_RA 0 /* Register used as return address. */

Definition at line 962 of file xtensa-tdep.c.

#define C0_SP 1 /* Register used as SP. */

Definition at line 960 of file xtensa-tdep.c.

#define CALLINC ( ps ) (((ps) & PS_CALLINC_MASK) >> PS_CALLINC_SHIFT)

Definition at line 90 of file xtensa-tdep.c.

#define DEBUGINFO ( args... )

Value:

if (xtensa_debug_level > 1) \
    fprintf_unfiltered (gdb_stdlog, "(info ) " args)

Definition at line 64 of file xtensa-tdep.c.

#define DEBUGTRACE ( args... )

Value:

if (xtensa_debug_level > 2) \
    fprintf_unfiltered (gdb_stdlog, "(trace) " args)

Definition at line 68 of file xtensa-tdep.c.

#define DEBUGVERB ( args... )

Value:

if (xtensa_debug_level > 3) \
    fprintf_unfiltered (gdb_stdlog, "(verb ) " args)

Definition at line 72 of file xtensa-tdep.c.

#define DEBUGWARN ( args... )

Value:

if (xtensa_debug_level > 0) \
    fprintf_unfiltered (gdb_stdlog, "(warn ) " args)

Definition at line 60 of file xtensa-tdep.c.

#define DENSITY_BIG_BREAKPOINT { 0xd2, 0x0f }

Definition at line 1982 of file xtensa-tdep.c.

#define DENSITY_LITTLE_BREAKPOINT { 0x2d, 0xf0 }

Definition at line 1983 of file xtensa-tdep.c.

#define LITTLE_BREAKPOINT { 0x00, 0x40, 0x00 }

Definition at line 1981 of file xtensa-tdep.c.

#define PS_CALLINC_MASK 0x00030000

Definition at line 89 of file xtensa-tdep.c.

#define PS_CALLINC_SHIFT 16

Definition at line 88 of file xtensa-tdep.c.

#define PS_EXC (1<<4)

Definition at line 121 of file xtensa-tdep.c.

#define PS_WOE (1<<18)

Definition at line 120 of file xtensa-tdep.c.

#define REGISTER_SIZE 4

Definition at line 84 of file xtensa-tdep.c.

#define RETURN_FP goto done

#define RETURN_RET goto done

#define SAVE_REST_FLAGS

Value:

(XTENSA_REGISTER_FLAGS_READABLE \
                        | XTENSA_REGISTER_FLAGS_WRITABLE \
                        | XTENSA_REGISTER_FLAGS_VOLATILE)

Definition at line 799 of file xtensa-tdep.c.

#define SAVE_REST_VALID

Value:

(XTENSA_REGISTER_FLAGS_READABLE \
                        | XTENSA_REGISTER_FLAGS_WRITABLE)

Definition at line 803 of file xtensa-tdep.c.

#define SP_ALIGNMENT 16

Definition at line 78 of file xtensa-tdep.c.

#define TX_PS 0x20

Definition at line 96 of file xtensa-tdep.c.

#define WINSIZE ( ra ) (4 * (( (ra) >> 30) & 0x3))

Definition at line 91 of file xtensa-tdep.c.

#define XTENSA_DBREGN_SREG ( n ) (0x0200+(n))

#define XTENSA_ENTRY_LENGTH 3

Definition at line 114 of file xtensa-tdep.c.

#define XTENSA_IS_ENTRY	(	gdbarch,
		op1
	)

Value:

((gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) \
   ? ((op1) == 0x6c) : ((op1) == 0x36))

Definition at line 110 of file xtensa-tdep.c.

#define XTENSA_ISA_BADPC ((CORE_ADDR)0) /* Bad PC value. */

Definition at line 1145 of file xtensa-tdep.c.

#define XTENSA_ISA_BSZ 32 /* Instruction buffer size. */

Definition at line 1144 of file xtensa-tdep.c.

#define XTENSA_MAX_WINDOW_INTERRUPT_HANDLER_LEN 200

Definition at line 2791 of file xtensa-tdep.c.

#define XTENSA_NUM_SAVED_AREGS 12

Definition at line 938 of file xtensa-tdep.c.

Typedef Documentation

typedef struct xtensa_c0reg xtensa_c0reg_t

typedef struct xtensa_call0_frame_cache xtensa_call0_frame_cache_t

typedef struct xtensa_frame_cache xtensa_frame_cache_t

typedef struct xtensa_windowed_frame_cache xtensa_windowed_frame_cache_t

Enumeration Type Documentation

enum xtensa_exception_handler_t

Enumerator:

xtWindowOverflow
xtWindowUnderflow
xtNoExceptionHandler

Definition at line 2793 of file xtensa-tdep.c.

enum xtensa_insn_kind

Enumerator:

c0opc_illegal
c0opc_uninteresting
c0opc_flow
c0opc_entry
c0opc_break
c0opc_add
c0opc_addi
c0opc_and
c0opc_sub
c0opc_mov
c0opc_movi
c0opc_l32r
c0opc_s32i
c0opc_rwxsr
c0opc_l32e
c0opc_s32e
c0opc_rfwo
c0opc_rfwu
c0opc_NrOf

Definition at line 2100 of file xtensa-tdep.c.

Function Documentation

void _initialize_xtensa_tdep ( void )

Definition at line 3303 of file xtensa-tdep.c.

Variable Documentation

initialize_file_ftype _initialize_xtensa_tdep

xtensa_isa xtensa_default_isa

struct gdbarch_tdep xtensa_tdep

Defines

Typedefs

Enumerations

Functions

Variables

Define Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation