Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 165 insertions, 0 deletions

diff --git a/gdb/nlm/ppc.h b/gdb/nlm/ppc.h
new file mode 100644
index 0000000..84cee6b
--- /dev/null
+++ b/gdb/nlm/ppc.h
@@ -0,0 +1,165 @@
+typedef long Long;
+
+/* The following enum is used to access the special registers in 
+   the saved machine state.  */
+
+typedef enum
+{
+  kDc_SavedPC =	0,		/* really SRR0 */
+  kDc_SavedMSR = 1,		/* really SRR1 */
+  kDc_SavedCR =	2,
+  kDc_SavedLR =	3,
+  kDc_SavedDSISR = 4,
+  kDc_SavedDAR = 5,
+  kDc_SavedXER = 6,
+  kDc_SavedCTR = 7,
+  kDc_SavedSDR1 = 8,
+  kDc_SavedRTCU = 9,
+  kDc_SavedRTCL = 10,
+  kDc_SavedDEC = 11,
+  kDc_SavedSR00 = 12,		/* The Segement Registers are consecutive */
+  kDc_SavedSR01 = 13,		/* kDc_SavedSR00 + n is supported */
+  kDc_SavedSR02 = 14,
+  kDc_SavedSR03 = 15,
+  kDc_SavedSR04 = 16,
+  kDc_SavedSR05 = 17,
+  kDc_SavedSR06 = 18,
+  kDc_SavedSR07 = 19,
+  kDc_SavedSR08 = 20,
+  kDc_SavedSR09 = 21,
+  kDc_SavedSR10 = 22,
+  kDc_SavedSR11 = 23,
+  kDc_SavedSR12 = 24,
+  kDc_SavedSR13 = 25,
+  kDc_SavedSR14 = 26,
+  kDc_SavedSR15 = 27,
+  kDc_SavedFPSCR = 29,
+  kDc_SavedMQ = 30,
+  kDc_SavedBAT0U = 31,
+  kDc_SavedBAT0L = 32,
+  kDc_SavedBAT1U = 33,
+  kDc_SavedBAT1L = 34,
+  kDc_SavedBAT2U = 35,
+  kDc_SavedBAT2L = 36,
+  kDc_SavedBAT3U = 37,
+  kDc_SavedBAT3L = 38,
+
+  kNumberSpecialRegisters = 39
+} Dc_SavedRegisterName;
+
+/* Access to floating points is not very easy.  This allows the number to be
+   accessed both as a floating number and as a pair of Longs.  */
+
+typedef union
+{
+  double asfloat;		/* access the variable as a floating number */
+  struct
+    {
+      Long high;
+      Long low;
+    }
+  asLONG;			/* access the variable as two Longs */
+} FloatingPoints;
+
+/* The following is the standard record for Saving a machine state */
+
+struct SavedMachineState
+{
+  FloatingPoints CSavedFPRegs[32]; /* The floating point registers [0->31] */
+				/* ***32bit assumption*** */
+  Long CsavedRegs[32];		/* space to save the General Registers */
+				/* These are saved 0->31 */
+  Long CexReason;
+  Long SavedDomainID;
+  union
+    {				/* must be 8-byte aligned, so doubleFPSCR is 8-byte aligned */
+      struct
+	{
+	  Long CsavedSRR0;	/* Index 0 - The saved PC */
+	  Long CsavedSRR1;	/* 1 saved MSR */
+	  Long CsavedCR;	/* 2 */
+	  Long CsavedLR;	/* 3 */
+	  Long CsavedDSISR;	/* 4 */
+	  Long CsavedDAR;	/* 5 */
+
+	  Long CsavedXER;	/* 6 */
+	  Long CsavedCTR;	/* 7 */
+	  Long CsavedSDR1;	/* 8 */
+	  Long CsavedRTCU;	/* 9 */
+	  Long CsavedRTCL;	/* 10 */
+	  Long CsavedDEC;	/* 11 */
+	  Long CsavedSR0;	/* 12 */
+	  Long CsavedSR1;	/* 13 */
+	  Long CsavedSR2;	/* 14 */
+	  Long CsavedSR3;	/* 15 */
+	  Long CsavedSR4;	/* 16 */
+	  Long CsavedSR5;	/* 17 */
+	  Long CsavedSR6;	/* 18 */
+	  Long CsavedSR7;	/* 19 */
+	  Long CsavedSR8;	/* 20 */
+	  Long CsavedSR9;	/* 21 */
+	  Long CsavedSR10;	/* 22 */
+	  Long CsavedSR11;	/* 23 */
+	  Long CsavedSR12;	/* 24 */
+	  Long CsavedSR13;	/* 25 */
+	  Long CsavedSR14;	/* 26 */
+	  Long CsavedSR15;	/* 27 */
+				/* CdoubleFPSCR must be double word aligned */
+	  Long CdoubleFPSCR;	/* 28 this is the upper part of the store and has
+				      no meaning */
+	  Long CsavedFPSCR;	/* 29 */
+	  Long CsavedMQ;	/* 30 */
+	  Long CsavedBAT0U;	/* 31 */
+	  Long CsavedBAT0L;	/* 32 */
+	  Long CsavedBAT1U;	/* 33 */
+	  Long CsavedBAT1L;	/* 34 */
+	  Long CsavedBAT2U;	/* 35 */
+	  Long CsavedBAT2L;	/* 36 */
+	  Long CsavedBAT3U;	/* 37 */
+	  Long CsavedBAT3L;	/* 38 */
+	}
+      SpecialRegistersEnumerated;
+
+      Long SpecialRegistersIndexed[kNumberSpecialRegisters];
+    } u;
+
+  Long Padding[3];		/* Needed for quad-word alignment */
+};
+
+struct StackFrame
+{
+  LONG *ExceptionDomainID;
+  /*ProcessorStructure*/ int *ExceptionProcessorID;
+  BYTE *ExceptionDescription;
+  LONG ExceptionFlags;
+  LONG ExceptionErrorCode;
+  LONG ExceptionNumber;
+  struct SavedMachineState ExceptionState;
+};
+
+/* Register values.  All of these values *MUST* agree with tm.h */
+#define	GP0_REGNUM 0		/* GPR register 0 */
+#define SP_REGNUM 1		/* Contains address of top of stack */
+#define FP0_REGNUM 32		/* FPR (Floating point) register 0 */
+#define PC_REGNUM 64		/* Contains program counter */
+#define PS_REGNUM 65		/* Processor (or machine) status (%msr) */
+#define	CR_REGNUM 66		/* Condition register */
+#define	LR_REGNUM 67		/* Link register */
+#define	CTR_REGNUM 68		/* Count register */
+#define	XER_REGNUM 69		/* Fixed point exception registers */
+#define	MQ_REGNUM 70		/* Multiply/quotient register */
+#define NUM_REGS 71		/* Number of machine registers */
+#define REGISTER_BYTES (420)	/* Total size of registers array */
+
+#define ExceptionPC ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR0
+#define DECR_PC_AFTER_BREAK 0	/* PPCs get this right! */
+#define BREAKPOINT {0x7d, 0x82, 0x10, 0x08}
+extern unsigned char breakpoint_insn[];
+#define BREAKPOINT_SIZE 4
+
+#if 0
+#define ALTERNATE_MEM_FUNCS	/* We need our own get_char/set_char */
+#endif
+
+extern int get_char (char *addr);
+extern void set_char (char *addr, int val);