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-rw-r--r--gdb/nlm/alpha.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/gdb/nlm/alpha.c b/gdb/nlm/alpha.c
deleted file mode 100644
index 461d16b..0000000
--- a/gdb/nlm/alpha.c
+++ /dev/null
@@ -1,325 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <errno.h>
-
-#include <nwtypes.h>
-#include <nwdfs.h>
-#include <nwconio.h>
-#include <nwadv.h>
-#include <nwdbgapi.h>
-#include <nwthread.h>
-#include <aio.h>
-
-#include "alpha.h"
-
-extern char *mem2hex (void *mem, char *buf, int count, int may_fault);
-extern char *hex2mem (char *buf, void *mem, int count, int may_fault);
-extern int computeSignal (int exceptionVector);
-
-/* Get the registers out of the frame information. */
-
-void
-frame_to_registers (frame, regs)
- struct StackFrame *frame;
- char *regs;
-{
- mem2hex (&frame->ExceptionPC, &regs[PC_REGNUM * 8 * 2], 8 * 1, 0);
-
- mem2hex (&frame->ExceptionRegs[SF_IREG_OFFSET], &regs[V0_REGNUM * 8 * 2], 8 * 64, 0);
-}
-
-/* Put the registers back into the frame information. */
-
-void
-registers_to_frame (regs, frame)
- char *regs;
- struct StackFrame *frame;
-{
- hex2mem (&regs[PC_REGNUM * 8 * 2], &frame->ExceptionPC, 8 * 1, 0);
-
- hex2mem (&regs[V0_REGNUM * 8 * 2], &frame->ExceptionRegs[SF_IREG_OFFSET], 8 * 64, 0);
-}
-
-union inst
-{
- LONG l;
-
- struct
- {
- union
- {
- struct
- {
- unsigned hint : 16;
- unsigned rb : 5;
- unsigned ra : 5;
- unsigned opcode : 6;
- } jump;
- struct
- {
- signed disp : 21;
- unsigned ra : 5;
- unsigned opcode : 6;
- } branch;
- } variant;
- } inst;
-};
-
-static LONG saved_inst;
-static LONG *saved_inst_pc = 0;
-static LONG saved_target_inst;
-static LONG *saved_target_inst_pc = 0;
-
-void
-set_step_traps (frame)
- struct StackFrame *frame;
-{
- union inst inst;
- LONG *target;
- int opcode;
- int ra, rb;
- LONG *pc = (LONG *)frame->ExceptionPC;
-
- inst.l = *pc++;
-
- opcode = inst.inst.variant.branch.opcode;
-
- if ((opcode & 0x30) == 0x30) /* A branch of some sort */
- target = inst.inst.variant.branch.disp + pc;
- else if (opcode == 0x1a) /* jmp, ret, etc... */
- target = (LONG *)(frame->ExceptionRegs[SF_IREG_OFFSET
- + inst.inst.variant.jump.rb].lo
- & ~3);
- else
- target = pc;
-
- saved_inst = *pc;
- *pc = 0x80; /* call_pal bpt */
- saved_inst_pc = pc;
-
- if (target != pc)
- {
- saved_target_inst = *target;
- *target = 0x80; /* call_pal bpt */
- saved_target_inst_pc = target;
- }
-}
-
-/* Remove step breakpoints. Returns non-zero if pc was at a step breakpoint,
- zero otherwise. This routine works even if there were no step breakpoints
- set. */
-
-int
-clear_step_traps (frame)
- struct StackFrame *frame;
-{
- int retcode;
- LONG *pc = (LONG *)frame->ExceptionPC;
-
- if (saved_inst_pc == pc || saved_target_inst_pc == pc)
- retcode = 1;
- else
- retcode = 0;
-
- if (saved_inst_pc)
- {
- *saved_inst_pc = saved_inst;
- saved_inst_pc = 0;
- }
-
- if (saved_target_inst_pc)
- {
- *saved_target_inst_pc = saved_target_inst;
- saved_target_inst_pc = 0;
- }
-
- return retcode;
-}
-
-void
-do_status (ptr, frame)
- char *ptr;
- struct StackFrame *frame;
-{
- int sigval;
-
- sigval = computeSignal (frame->ExceptionNumber);
-
- sprintf (ptr, "T%02x", sigval);
- ptr += 3;
-
- sprintf (ptr, "%02x:", PC_REGNUM);
- ptr = mem2hex (&frame->ExceptionPC, ptr + 3, 8, 0);
- *ptr++ = ';';
-
- sprintf (ptr, "%02x:", SP_REGNUM);
- ptr = mem2hex (&frame->ExceptionRegs[SF_IREG_OFFSET + SP_REGNUM], ptr + 3, 8, 0);
- *ptr++ = ';';
-
- sprintf (ptr, "%02x:", RA_REGNUM);
- ptr = mem2hex (&frame->ExceptionRegs[SF_IREG_OFFSET + RA_REGNUM], ptr + 3, 8, 0);
- *ptr++ = ';';
-
- sprintf (ptr, "%02x:", FP_REGNUM);
- ptr = mem2hex (&frame->ExceptionRegs[SF_IREG_OFFSET + FP_REGNUM], ptr + 3, 8, 0);
- *ptr++ = ';';
-
- *ptr = '\000';
-}
-
-/* This section provides stubs and equivalent interfaces for all functions that
- the debugger stub needs, but aren't yet implemented (such as the AIO nlm). */
-
-#include <nwtypes.h>
-#include <errno.h>
-#include <stdio.h>
-#include <aio.h>
-
-#define CONST const
-
-#define com1Rbr 0x3f8 /* Receiver Buffer - Read */
-#define com1Thr 0x3f8 /* Transmitter Holding - Write */
-#define com1Ier 0x3f9 /* Interrupt Enable */
-#define com1Iir 0x3fa /* Interrupt Identification */
-#define com1Lcr 0x3fb /* Line Control */
-#define com1Mcr 0x3fc /* Modem Control */
-#define com1Lsr 0x3fd /* Line Status */
-#define com1Msr 0x3fe /* Modem Status */
-#define com1Scr 0x3ff /* Scratch */
-#define com1Dll 0x3f8 /* Divisor Latch - lsb */
-#define com1Dlm 0x3f9 /* Divisor Latch - msb */
-
-#define com2Rbr 0x2f8 /* Receiver Buffer - Read */
-#define com2Thr 0x2f8 /* Transmitter Holding - Write */
-#define com2Ier 0x2f9 /* Interrupt Enable */
-#define com2Iir 0x2fa /* Interrupt Identification */
-#define com2Lcr 0x2fb /* Line Control */
-#define com2Mcr 0x2fc /* Modem Control */
-#define com2Lsr 0x2fd /* Line Status */
-#define com2Msr 0x2fe /* Modem Status */
-#define com2Scr 0x2ff /* Scratch */
-#define com2Dll 0x2f8 /* Divisor Latch - lsb */
-#define com2Dlm 0x2f9 /* Divisor Latch - msb */
-
-#define COM1 0x8000
-#define COM2 0x9000
-
-static ULONG
-uart_getchar (void)
-{
- while ((inVti(com1Lsr) & 1) == 0);
-
- return inVti (com1Rbr);
-}
-
-static void
-uart_putchar (char c)
-{
- while ((inVti(com1Lsr) & 0x20) == 0);
-
- outVti (com1Thr,c);
-}
-
-static int
-uart_init (int baud)
-{
- int i;
- int baudconst;
-
- baudconst = 115200 / baud;
-
- outVti (com1Lcr, 0x87);
- outVti (com1Dlm, 0);
- outVti (com1Dll, baudconst);
- outVti (com1Lcr, 0x07);
- outVti (com1Mcr, 0x0F);
- outVti (com1Ier, 0x0);
-}
-
-int
-AIOReadData (int portHandle, char *buffer, LONG length, LONG *numberBytesRead)
-{
- ULONG c;
-
- while (1)
- {
- c = uart_getchar ();
- if ((c & ~0377) == COM1)
- break;
- }
-
- *buffer = c;
- *numberBytesRead = 1;
-
- return AIO_SUCCESS;
-}
-
-int
-AIOWriteData (int portHandle, char *buffer, LONG length,
- LONG *numberBytesWritten)
-
-{
- *numberBytesWritten = length;
-
- while (length-- > 0)
- uart_putchar (*buffer++);
-
- return AIO_SUCCESS;
-}
-
-int
-AIOAcquirePort (int *hardwareType, int *boardNumber, int *portNumber,
- int *portHandle)
-{
- return AIO_SUCCESS;
-}
-
-int
-AIOConfigurePort (int portHandle, BYTE bitRate, BYTE dataBits, BYTE stopBits,
- BYTE parityMode, BYTE flowCtrlMode)
-{
- uart_init (9600);
-
- return AIO_SUCCESS;
-}
-
-int
-AIOGetPortConfiguration (int portHandle, AIOPORTCONFIG *pPortConfig,
- AIODVRCONFIG *pDvrConfig)
-{
- fprintf (stderr, "AIOGetPortConfiguration stubbed out\n");
- exit (1);
-}
-
-int
-AIOReleasePort (int portHandle)
-{
- return AIO_SUCCESS;
-}
-
-int
-AIOSetExternalControl (int portHandle, int requestType, int requestValue)
-{
- return AIO_SUCCESS;
-}
-
-int
-AIOGetExternalStatus (int portHandle, LONG *extStatus, LONG *chgdExtStatus)
-{
- fprintf (stderr, "AIOGetExternalStatus stubbed out\n");
- exit (1);
-}
-
-void
-StopBell ()
-{
-}
-
-int
-Breakpoint (int __arg)
-{
- fprintf (stderr, "Breakpoint() stubbed out\n");
- exit (1);
-}
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