19e6dad47b
. only reference single pages in process data structures to simplify page faults, copy-on-write, etc. . this breaks the secondary cache for objects that are not one-page-sized; restored in a next commit
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#ifndef _SANITYCHECK_H
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#define _SANITYCHECK_H 1
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#include <assert.h>
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#include "vm.h"
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#if SANITYCHECKS
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/* This macro is used in the sanity check functions, where file and
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* line are function arguments.
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*/
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#define MYASSERT(c) do { if(!(c)) { \
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printf("VM:%s:%d: %s failed (last sanity check %s:%d)\n", file, line, #c, sc_lastfile, sc_lastline); \
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panic("sanity check failed"); } } while(0)
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#define SLABSANITYCHECK(l) if((l) <= vm_sanitychecklevel) { \
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slab_sanitycheck(__FILE__, __LINE__); }
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#define SANITYCHECK(l) if(!nocheck && ((l) <= vm_sanitychecklevel)) { \
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struct vmproc *vmpr; \
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assert(incheck == 0); \
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incheck = 1; \
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usedpages_reset(); \
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slab_sanitycheck(__FILE__, __LINE__); \
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for(vmpr = vmproc; vmpr < &vmproc[VMP_NR]; vmpr++) { \
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if((vmpr->vm_flags & (VMF_INUSE))) { \
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PT_SANE(&vmpr->vm_pt); \
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} \
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} \
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map_sanitycheck(__FILE__, __LINE__); \
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mem_sanitycheck(__FILE__, __LINE__); \
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assert(incheck == 1); \
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incheck = 0; \
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/* printf("(%s:%d OK) ", __FILE__, __LINE__); */ \
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sc_lastfile = __FILE__; sc_lastline = __LINE__; \
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}
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#define SLABSANE(ptr) { \
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if(!slabsane_f(__FILE__, __LINE__, ptr, sizeof(*(ptr)))) { \
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printf("VM:%s:%d: SLABSANE(%s)\n", __FILE__, __LINE__, #ptr); \
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panic("SLABSANE failed"); \
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} \
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}
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#else
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#define SANITYCHECK(l)
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#define SLABSANITYCHECK(l)
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#define SLABSANE(ptr)
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#endif
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#if MEMPROTECT
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#define USE(obj, code) do { \
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slabunlock(obj, sizeof(*obj)); \
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do { \
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code \
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} while(0); \
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slablock(obj, sizeof(*obj)); \
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} while(0)
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#else
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#define USE(obj, code) do { code } while(0)
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#endif
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#endif
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