Subversion Repositories or1k

#include <dfs.h>

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <ctype.h>

#include <time.h>

#include <conio.h>

#include <advanced.h>

#include <debugapi.h>

#include <process.h>

#include <errno.h>

#include "i386.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);

void

flush_i_cache (void)

{

}

/* Get the registers out of the frame information.  */

void

frame_to_registers (struct StackFrame *frame, char *regs)

{

  /* Copy EAX -> EDI */

  mem2hex (&frame->ExceptionEAX, &regs[0 * 4 * 2], 4 * 8, 0);

  /* Copy EIP & PS */

  mem2hex (&frame->ExceptionPC, &regs[8 * 4 * 2], 4 * 2, 0);

  /* Copy CS, SS, DS */

  mem2hex (&frame->ExceptionCS, &regs[10 * 4 * 2], 4 * 3, 0);

  /* Copy ES */

  mem2hex (&frame->ExceptionES, &regs[13 * 4 * 2], 4 * 1, 0);

  /* Copy FS & GS */

  mem2hex (&frame->ExceptionFS, &regs[14 * 4 * 2], 4 * 2, 0);

}

/* Put the registers back into the frame information.  */

void

registers_to_frame (char *regs, struct StackFrame *frame)

{

  /* Copy EAX -> EDI */

  hex2mem (&regs[0 * 4 * 2], &frame->ExceptionEAX, 4 * 8, 0);

  /* Copy EIP & PS */

  hex2mem (&regs[8 * 4 * 2], &frame->ExceptionPC, 4 * 2, 0);

  /* Copy CS, SS, DS */

  hex2mem (&regs[10 * 4 * 2], &frame->ExceptionCS, 4 * 3, 0);

  /* Copy ES */

  hex2mem (&regs[13 * 4 * 2], &frame->ExceptionES, 4 * 1, 0);

  /* Copy FS & GS */

  hex2mem (&regs[14 * 4 * 2], &frame->ExceptionFS, 4 * 2, 0);

}

void

set_step_traps (struct StackFrame *frame)

{

  frame->ExceptionSystemFlags |= 0x100;

}

void

clear_step_traps (struct StackFrame *frame)

{

  frame->ExceptionSystemFlags &= ~0x100;

}

void

do_status (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, 4, 0);

  *ptr++ = ';';

  sprintf (ptr, "%02x:", SP_REGNUM);

  ptr = mem2hex (&frame->ExceptionESP, ptr + 3, 4, 0);

  *ptr++ = ';';

  sprintf (ptr, "%02x:", FP_REGNUM);

  ptr = mem2hex (&frame->ExceptionEBP, ptr + 3, 4, 0);

  *ptr++ = ';';

  *ptr = '\000';

}