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Use better memory strategy on Windows

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Rather than using the the rollo global to pick addresses, we select them
randomly now using a conservative vaspace.
This commit is contained in:
Justine Tunney 2024-07-20 02:20:03 -07:00
parent 6a5d4ed65b
commit 2018cac11f
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GPG key ID: BE714B4575D6E328
13 changed files with 113 additions and 124 deletions
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5
libc/intrin/maps.h
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@ -30,7 +30,7 @@ struct Maps {
_Atomic(struct Map *) free;
size_t count;
size_t pages;
atomic_size_t rollo;
_Atomic(char *) pick;
struct Map stack;
struct Map guard;
};
@ -42,11 +42,12 @@ struct AddrSize {
extern struct Maps __maps;
void *randaddr(void);
void __maps_init(void);
bool __maps_lock(void);
void __maps_check(void);
void __maps_unlock(void);
void *__maps_randaddr(void);
void *__maps_pickaddr(size_t);
void __maps_add(struct Map *);
void __maps_free(struct Map *);
struct Map *__maps_alloc(void);