101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
#include <dfs.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <time.h>
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#include <conio.h>
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#include <advanced.h>
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#include <debugapi.h>
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#include <process.h>
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#include <errno.h>
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#include "i386.h"
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extern char *mem2hex (void *mem, char *buf, int count, int may_fault);
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extern char *hex2mem (char *buf, void *mem, int count, int may_fault);
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extern int computeSignal (int exceptionVector);
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void
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flush_i_cache (void)
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{
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}
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/* Get the registers out of the frame information. */
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void
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frame_to_registers (struct StackFrame *frame, char *regs)
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{
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/* Copy EAX -> EDI */
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mem2hex (&frame->ExceptionEAX, ®s[0 * 4 * 2], 4 * 8, 0);
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/* Copy EIP & PS */
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mem2hex (&frame->ExceptionPC, ®s[8 * 4 * 2], 4 * 2, 0);
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/* Copy CS, SS, DS */
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mem2hex (&frame->ExceptionCS, ®s[10 * 4 * 2], 4 * 3, 0);
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/* Copy ES */
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mem2hex (&frame->ExceptionES, ®s[13 * 4 * 2], 4 * 1, 0);
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/* Copy FS & GS */
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mem2hex (&frame->ExceptionFS, ®s[14 * 4 * 2], 4 * 2, 0);
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}
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/* Put the registers back into the frame information. */
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void
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registers_to_frame (char *regs, struct StackFrame *frame)
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{
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/* Copy EAX -> EDI */
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hex2mem (®s[0 * 4 * 2], &frame->ExceptionEAX, 4 * 8, 0);
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/* Copy EIP & PS */
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hex2mem (®s[8 * 4 * 2], &frame->ExceptionPC, 4 * 2, 0);
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/* Copy CS, SS, DS */
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hex2mem (®s[10 * 4 * 2], &frame->ExceptionCS, 4 * 3, 0);
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/* Copy ES */
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hex2mem (®s[13 * 4 * 2], &frame->ExceptionES, 4 * 1, 0);
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/* Copy FS & GS */
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hex2mem (®s[14 * 4 * 2], &frame->ExceptionFS, 4 * 2, 0);
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}
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void
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set_step_traps (struct StackFrame *frame)
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{
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frame->ExceptionSystemFlags |= 0x100;
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}
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void
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clear_step_traps (struct StackFrame *frame)
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{
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frame->ExceptionSystemFlags &= ~0x100;
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}
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void
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do_status (char *ptr, struct StackFrame *frame)
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{
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int sigval;
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sigval = computeSignal (frame->ExceptionNumber);
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sprintf (ptr, "T%02x", sigval);
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ptr += 3;
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sprintf (ptr, "%02x:", PC_REGNUM);
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ptr = mem2hex (&frame->ExceptionPC, ptr + 3, 4, 0);
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*ptr++ = ';';
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sprintf (ptr, "%02x:", SP_REGNUM);
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ptr = mem2hex (&frame->ExceptionESP, ptr + 3, 4, 0);
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*ptr++ = ';';
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sprintf (ptr, "%02x:", FP_REGNUM);
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ptr = mem2hex (&frame->ExceptionEBP, ptr + 3, 4, 0);
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*ptr++ = ';';
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*ptr = '\000';
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}
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