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48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_MEMTRACK_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_MEMTRACK_H_
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#include "libc/dce.h"
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#include "libc/macros.internal.h"
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#include "libc/nt/enum/version.h"
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#include "libc/runtime/runtime.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define _kAutomapStart 0x0000100080000000 /* asan can't spread its poison */
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#define _kAutomapSize 0x00000fff80000000 /* beyond the above mem address */
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#define _kFixedmapStart 0x0000200000000000
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/*
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* TODO: Why can't we allocate addresses above 4GB on Windows 7 x64?
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* https://github.com/jart/cosmopolitan/issues/19
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*/
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#define MEMTRACK_ADDRESS(NORMAL, WIN7) \
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(!(IsWindows() && NtGetVersion() < kNtVersionWindows10) ? NORMAL : WIN7)
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#define kAutomapStart MEMTRACK_ADDRESS(_kAutomapStart, 0x10000000)
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#define kAutomapSize MEMTRACK_ADDRESS(_kAutomapSize, 0x40000000)
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#define kFixedmapStart MEMTRACK_ADDRESS(_kFixedmapStart, 0x40000000)
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struct MemoryIntervals {
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long i;
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struct MemoryInterval {
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int x;
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int y;
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long h;
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int prot;
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int flags;
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} p[128];
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};
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extern struct MemoryIntervals _mmi;
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unsigned FindMemoryInterval(const struct MemoryIntervals *, int) nosideeffect;
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bool AreMemoryIntervalsOk(const struct MemoryIntervals *) nosideeffect;
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void PrintMemoryIntervals(int, const struct MemoryIntervals *);
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int TrackMemoryInterval(struct MemoryIntervals *, int, int, long, int, int);
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int ReleaseMemoryIntervals(struct MemoryIntervals *, int, int,
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void (*)(struct MemoryIntervals *, int, int));
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void ReleaseMemoryNt(struct MemoryIntervals *, int, int);
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int UntrackMemoryIntervals(void *, size_t);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_MEMTRACK_H_ */
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