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Simplify memory manager code

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Justine Tunney 2024-12-28 17:08:18 -08:00
parent 379cd77078
commit aca4214ff6
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GPG key ID: BE714B4575D6E328
11 changed files with 442 additions and 325 deletions
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14
libc/intrin/maps.h
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@ -5,17 +5,16 @@
#include "libc/runtime/runtime.h"
COSMOPOLITAN_C_START_
#define MAPS_RETRY ((void *)-1)
#define MAP_TREE_CONTAINER(e) TREE_CONTAINER(struct Map, tree, e)
struct Map {
char *addr; /* granule aligned */
size_t size; /* must be nonzero */
int64_t off; /* ignore for anon */
int prot; /* memory protects */
int flags; /* memory map flag */
char prot; /* memory protects */
bool iscow; /* windows nt only */
bool precious; /* windows nt only */
bool readonlyfile; /* windows nt only */
unsigned visited; /* checks and fork */
intptr_t hand; /* windows nt only */
@ -39,7 +38,11 @@ struct Maps {
size_t pages;
struct Map stack;
struct Map guard;
struct Map spool[13];
#ifdef MODE_DBG
struct Map spool[1];
#else
struct Map spool[20];
#endif
};
struct AddrSize {
@ -49,8 +52,9 @@ struct AddrSize {
extern struct Maps __maps;
bool __maps_held(void);
void __maps_init(void);
bool __maps_lock(void);
void __maps_lock(void);
void __maps_check(void);
void __maps_unlock(void);
void *__maps_randaddr(void);