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92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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/*++
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Copyright (c) Microsoft Corporation
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Module Name:
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FxBugcheck.h
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Abstract:
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This module contains private macros/defines for crashdumps.
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--*/
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#ifndef __FXBUGCHECK_H__
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#define __FXBUGCHECK_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// Macro for doing pointer arithmetic.
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//
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#define Add2Ptr(P,I) ((PVOID)((PUCHAR)(P) + (I)))
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//
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// This macro takes a length & rounds it up to a multiple of the alignment
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// Alignment is given as a power of 2
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//
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#define EXP_ALIGN_UP_PTR_ON_BOUNDARY(_length, _alignment) \
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(PVOID) ((((ULONG_PTR) (_length)) + ((_alignment)-1)) & \
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~(ULONG_PTR)((_alignment) - 1))
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//
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// Checks if 1st argument is aligned on given power of 2 boundary specified
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// by 2nd argument
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//
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#define EXP_IS_PTR_ALIGNED_ON_BOUNDARY(_pointer, _alignment) \
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((((ULONG_PTR) (_pointer)) & ((_alignment) - 1)) == 0)
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//
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// This macro takes a size and rounds it down to a multiple of the alignemnt.
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// Alignment doesn't need to be a power of 2.
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//
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#define EXP_ALIGN_DOWN_ON_BOUNDARY(_size, _alignment) \
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((_size) - ((_size) % _alignment))
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//
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// Define the max data size the bugcheck callback can write. Per callback the
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// total size is around 16K on 32bit OS (32K on 64bit OS).
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//
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#ifdef _WIN64
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#define FX_MAX_DUMP_SIZE (32*1024)
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#else
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#define FX_MAX_DUMP_SIZE (16*1024)
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#endif
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//
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// Maximum number of CPUs supported by the driver tracker.
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//
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#define FX_DRIVER_TRACKER_MAX_CPUS 256 // Max Win7 processors.
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//
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// The initial/increment size of the array to hold driver info.
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//
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#define FX_DUMP_DRIVER_INFO_INCREMENT 10 // # entries.
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//
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// The max size of the array to hold the driver info. This is the max data
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// we can write into the minidump.
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//
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#define FX_MAX_DUMP_DRIVER_INFO_COUNT \
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(FX_MAX_DUMP_SIZE/sizeof(FX_DUMP_DRIVER_INFO_ENTRY))
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//
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// During run-time we store info about the loaded drivers in an array
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// of FX_DUMP_DRIVER_INFO_ENTRY struct entries, on a crash we write the
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// entire array in the minidump for postmortem analysis.
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//
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typedef struct _FX_DUMP_DRIVER_INFO_ENTRY {
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PFX_DRIVER_GLOBALS FxDriverGlobals;
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WDF_VERSION Version;
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CHAR DriverName[WDF_DRIVER_GLOBALS_NAME_LEN];
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} FX_DUMP_DRIVER_INFO_ENTRY, *PFX_DUMP_DRIVER_INFO_ENTRY;
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // __FXBUGCHECK_H__
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