90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Debugger stack handling
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#include <stdio.h>
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#include "windows.h"
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#include "debugger.h"
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typedef struct
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{
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WORD bp;
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WORD ip;
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WORD cs;
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} FRAME16;
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typedef struct
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{
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DWORD bp;
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DWORD ip;
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WORD cs;
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} FRAME32;
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/***********************************************************************
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* DEBUG_InfoStack
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*
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* Dump the top of the stack
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*/
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void DEBUG_InfoStack(void)
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{
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fprintf(stderr,"Stack dump:\n");
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if ((SS == WINE_DATA_SELECTOR) ||
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(GET_SEL_FLAGS(SS) & LDT_FLAGS_32BIT)) /* 32-bit mode */
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{
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examine_memory( 0, ESP, 10, 'x' );
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}
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else /* 16-bit mode */
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{
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examine_memory( SS, SP, 10, 'w' );
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}
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fprintf(stderr,"\n");
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}
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/***********************************************************************
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* DEBUG_BackTrace
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*
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* Display a stack back-trace.
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*/
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void DEBUG_BackTrace(void)
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{
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int frameno = 0;
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fprintf(stderr,"Backtrace:\n");
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if (SS == WINE_DATA_SELECTOR) /* 32-bit mode */
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{
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FRAME32 *frame = (FRAME32 *)EBP;
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while (frame->ip)
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{
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fprintf(stderr,"%d ",frameno++);
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print_address( 0, frame->ip, 32 );
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fprintf( stderr, "\n" );
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frame = (FRAME32 *)frame->bp;
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}
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}
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else /* 16-bit mode */
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{
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FRAME16 *frame = (FRAME16 *)PTR_SEG_OFF_TO_LIN( SS, BP & ~1 );
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WORD cs = CS;
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if (GET_SEL_FLAGS(SS) & LDT_FLAGS_32BIT)
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{
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fprintf( stderr, "Not implemented: 32-bit backtrace on a different stack segment.\n" );
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return;
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}
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while (frame->bp)
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{
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if (frame->bp & 1) cs = frame->cs;
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fprintf( stderr,"%d ", frameno++ );
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print_address( cs, frame->ip, 16 );
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fprintf( stderr, "\n" );
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frame = (FRAME16 *)PTR_SEG_OFF_TO_LIN( SS, frame->bp & ~1 );
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}
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}
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fprintf( stderr, "\n" );
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}
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