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Line 26... |
#endif
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#endif
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#include "defs.h"
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#include "defs.h"
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#include <inttypes.h> /* CZ */
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#include <inttypes.h> /* CZ */
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/* CZ 11/09/01 -- Cause GDB to expect actual PC value to appear
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in breakpoint exception vector instead of being in PC itself */
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#define NEW_PC_HANDLING
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#ifdef NEW_PC_HANDLING
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#define TARGET_READ_PC(pid) or1k_target_read_pc(pid)
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#define TARGET_WRITE_PC(pc,pid) or1k_target_write_pc(pc,pid)
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#endif
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struct value;
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struct value;
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struct struct_or1k_implementation
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struct struct_or1k_implementation
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{
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{
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/* Implementation version. */
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/* Implementation version. */
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Line 153... |
#define VFRV_REGNUM (MAX_GPR_REGS + 6)
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#define VFRV_REGNUM (MAX_GPR_REGS + 6)
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#define PC_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 0)
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#define PC_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 0)
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#define PS_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 1)
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#define PS_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 1)
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#define CCR_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 2)
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#define CCR_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 2)
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/*******************************************/
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/* Added by CZ on 12/09/01 Used for new style breakpoints */
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/* These really aren't designed to be seen by the user */
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#define EPC_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 3)
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#define EAR_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 4)
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#define ESR_REGNUM (MAX_GPR_REGS + MAX_VF_REGS + 5)
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#define EPC_SPRNUM(cid) SPR_REG(SPR_SYSTEM_GROUP,32+cid)
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#define EAR_SPRNUM(cid) SPR_REG(SPR_SYSTEM_GROUP,48+cid)
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#define ESR_SPRNUM(cid) SPR_REG(SPR_SYSTEM_GROUP,64+cid)
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#define MAX_EXTRA_NUM_REGS 6
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/******** END OF ADDITIONS BY CZ ************/
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extern int or1k_regnum_to_sprnum PARAMS ((int regno));
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extern int or1k_regnum_to_sprnum PARAMS ((int regno));
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#define REGNUM_TO_SPRNUM(regno) (or1k_regnum_to_sprnum(regno))
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#define REGNUM_TO_SPRNUM(regno) (or1k_regnum_to_sprnum(regno))
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/* Defines for SPR bits. */
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/* Defines for SPR bits. */
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#define DMR1_ST (0x00400000)
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#define DMR1_ST (0x00400000)
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/* Changed by CZ 21/06/01 */
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/* Changed by CZ 21/06/01 */
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#define DRR_SS (0x00004000)
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#define DRR_TE (0x00002000)
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#define DRR_BE (0x00001000)
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#define DRR_BE (0x00001000)
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#define DRR_SCE (0x00000800)
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#define DRR_SCE (0x00000800)
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#define DRR_RE (0x00000400)
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#define DRR_RE (0x00000400)
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#define DRR_IME (0x00000200)
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#define DRR_IME (0x00000200)
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#define DRR_DME (0x00000100)
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#define DRR_DME (0x00000100)
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| Line 175... |
Line 203... |
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/* Number of machine VF registers */
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/* Number of machine VF registers */
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#define NUM_VF_REGS (or1k_implementation.num_vfpr_regs)
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#define NUM_VF_REGS (or1k_implementation.num_vfpr_regs)
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#define MAX_VF_REGS (32)
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#define MAX_VF_REGS (32)
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/*******************************/
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/* Paramterized by CZ 11/09/01 */
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/*******************************/
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/* gdb mapping of registers */
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/* gdb mapping of registers */
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#ifndef NUM_REGS
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#ifndef NUM_REGS
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#define NUM_REGS (MAX_GPR_REGS+MAX_VF_REGS+3)
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#define NUM_REGS (MAX_GPR_REGS+MAX_VF_REGS+MAX_EXTRA_NUM_REGS)
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#endif
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#endif
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/* Can act like a little or big endian. */
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/* Can act like a little or big endian. */
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#if !defined (TARGET_BYTE_ORDER_DEFAULT)
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#if !defined (TARGET_BYTE_ORDER_DEFAULT)
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#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN
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#define TARGET_BYTE_ORDER_DEFAULT BIG_ENDIAN
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| Line 268... |
Line 299... |
#define BREAKPOINT_FROM_PC(pcptr, lenptr) or1k_breakpoint_from_pc (pcptr, lenptr)
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#define BREAKPOINT_FROM_PC(pcptr, lenptr) or1k_breakpoint_from_pc (pcptr, lenptr)
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/* Amount PC must be decremented by after a breakpoint.
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/* Amount PC must be decremented by after a breakpoint.
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This is often the number of bytes in BREAKPOINT
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This is often the number of bytes in BREAKPOINT
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but not always. */
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but not always. */
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#define DECR_PC_AFTER_BREAK 0
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/* Amount PC must be decremented by after a breakpoint.
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/* Note: several attempts have been made to account for
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This is often the number of bytes in BREAKPOINT
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differences between hardware and software breakpoints
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but not always. */
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and still allow hardware breakpoints to advance the
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PC beyond the offending instruction. However, short
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of rewriting gdb, none of them seem to work. Thus,
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for now, we assume that a hardware breakpoint will
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always give control to the breakpoint vector BEFORE
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it executes the instruction, thus, when the breakpoint
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vector returns, it will return to the same instruction
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that caused the exception (and thus hit the exception
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again if it hasn't been cleared) Note that if it actually
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executes this instruction, things fail bandly inside of
|
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gdb. This should not be an issue for now, as the or1200
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implementation will not implement hardware breakpoints
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at all.. */
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#define DECR_PC_AFTER_BREAK 0
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#define DECR_PC_AFTER_BREAK 0
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extern int or1k_insert_breakpoint (CORE_ADDR addr, char *contents_cache);
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extern int or1k_insert_breakpoint (CORE_ADDR addr, char *contents_cache);
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#define target_insert_hw_breakpoint(addr, cache) or1k_insert_breakpoint (addr, cache)
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#define target_insert_hw_breakpoint(addr, cache) or1k_insert_breakpoint (addr, cache)
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| Line 317... |
Line 360... |
extern char *or1k_signal_to_name PARAMS ((enum target_signal));
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extern char *or1k_signal_to_name PARAMS ((enum target_signal));
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/* Given a name (SIGHUP, etc.), return its signal. */
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/* Given a name (SIGHUP, etc.), return its signal. */
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extern enum target_signal or1k_signal_from_name PARAMS ((char *));
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extern enum target_signal or1k_signal_from_name PARAMS ((char *));
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#define NUM_OR1K_SIGNALS (10)
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#define NUM_OR1K_SIGNALS (14)
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/* Extract from an array REGBUF containing the (raw) register state
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. */
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into VALBUF. */
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extern void or1k_extract_return_value PARAMS ((struct type *, char[], char *));
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extern void or1k_extract_return_value PARAMS ((struct type *, char[], char *));
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| Line 355... |
Line 398... |
to reach some "real" code. */
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to reach some "real" code. */
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extern CORE_ADDR or1k_skip_prologue PARAMS ((CORE_ADDR addr));
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extern CORE_ADDR or1k_skip_prologue PARAMS ((CORE_ADDR addr));
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#define SKIP_PROLOGUE(pc) (or1k_skip_prologue (pc))
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#define SKIP_PROLOGUE(pc) (or1k_skip_prologue (pc))
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/* FRAMES */
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/* FRAMES */
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#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
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#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
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#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
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#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
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|
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/* FRAME_CHAIN takes a frame's nominal address
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/* FRAME_CHAIN takes a frame's nominal address
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| Line 409... |
Line 453... |
#define IEEE_FLOAT
|
#define IEEE_FLOAT
|
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/* Is floating/vector unit present. */
|
/* Is floating/vector unit present. */
|
#define OR1K_VF_PRESENT (or1k_implementation.vf_present)
|
#define OR1K_VF_PRESENT (or1k_implementation.vf_present)
|
|
|
#define INIT_FRAME_PC /* Not necessary */
|
/* #define INIT_FRAME_PC */ /* Not necessary */
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/* Stack grows downward. */
|
/* Stack grows downward. */
|
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
|
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
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/* Size of stack entry - in bytes. */
|
/* Size of stack entry - in bytes. */
|
