191 lines
2.8 KiB
C
191 lines
2.8 KiB
C
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/*++
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Copyright (c) 1999-2001 Microsoft Corporation
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Module Name:
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ds.c
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Abstract:
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Dumps symbols found on the stack.
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Author:
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Keith Moore (keithmo) 12-Nov-1999
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Environment:
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User Mode.
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Revision History:
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--*/
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#include "precomp.h"
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#define NUM_STACK_SYMBOLS_TO_DUMP 48
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//
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// Public functions.
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//
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DECLARE_API( ds )
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/*++
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Routine Description:
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Dumps symbols found on the stack.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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ULONG_PTR startingAddress;
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ULONG_PTR stack;
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ULONG i;
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ULONG result;
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CHAR symbol[MAX_SYMBOL_LENGTH];
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ULONG_PTR offset;
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PCHAR format;
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BOOLEAN validSymbolsOnly = FALSE;
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SNAPSHOT_EXTENSION_DATA();
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//
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// Skip leading blanks.
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//
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while (*args == ' ' || *args == '\t')
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{
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args++;
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}
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if (*args == '-')
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{
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args++;
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switch (*args)
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{
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case 'v' :
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case 'V' :
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validSymbolsOnly = TRUE;
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args++;
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break;
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default :
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PrintUsage( "ds" );
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return;
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}
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}
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while (*args == ' ')
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{
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args++;
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}
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//
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// By default, start at the current stack location. Otherwise,
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// start at the given address.
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//
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if (!*args)
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{
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#if defined(_X86_)
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args = "esp";
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#elif defined(_AMD64_)
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args = "rsp";
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#elif defined(_IA64_)
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args = "sp";
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#else
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#error "unsupported CPU"
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#endif
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}
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startingAddress = GetExpression( args );
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if (startingAddress == 0)
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{
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dprintf( "!inetdbg.ds: cannot evaluate \"%s\"\n", args );
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return;
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}
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//
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// Ensure startingAddress is properly aligned.
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//
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startingAddress &= ~(sizeof(ULONG_PTR) - 1);
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//
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// Read the stack.
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//
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for (i = 0 ; i < NUM_STACK_SYMBOLS_TO_DUMP ; startingAddress += sizeof(ULONG_PTR) )
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{
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if (CheckControlC())
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{
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break;
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}
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if (!ReadMemory(
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startingAddress,
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&stack,
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sizeof(stack),
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&result
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))
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{
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dprintf( "ds: cannot read memory @ %p\n", startingAddress );
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return;
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}
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GetSymbol( (PVOID)stack, symbol, &offset );
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if (symbol[0] == '\0')
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{
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if (validSymbolsOnly)
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{
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continue;
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}
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format = "%p : %p\n";
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}
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else if (offset == 0)
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{
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format = "%p : %p : %s\n";
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}
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else
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{
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format = "%p : %p : %s+0x%lx\n";
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}
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dprintf(
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format,
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startingAddress,
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stack,
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symbol,
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offset
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);
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i++;
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}
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dprintf(
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"!ulkd.ds %s%lx to dump next block\n",
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validSymbolsOnly ? "-v " : "",
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startingAddress
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);
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} // ds
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