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Reduce stack virtual memory consumption on Linux

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This commit is contained in:
Justine Tunney 2024-12-25 19:43:43 -08:00
parent cc8a9eb93c
commit 36e5861b0c
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GPG key ID: BE714B4575D6E328
31 changed files with 583 additions and 166 deletions
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10
libc/intrin/maps.h
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@ -57,7 +57,8 @@ void *__maps_randaddr(void);
void __maps_add(struct Map *);
void __maps_free(struct Map *);
void __maps_insert(struct Map *);
bool __maps_track(char *, size_t);
int __maps_untrack(char *, size_t);
bool __maps_track(char *, size_t, int, int);
struct Map *__maps_alloc(void);
struct Map *__maps_floor(const char *);
void __maps_stack(char *, int, int, size_t, int, intptr_t);
@ -78,6 +79,13 @@ static inline struct Map *__maps_next(struct Map *map) {
return 0;
}
static inline struct Map *__maps_prev(struct Map *map) {
struct Tree *node;
if ((node = tree_prev(&map->tree)))
return MAP_TREE_CONTAINER(node);
return 0;
}
static inline struct Map *__maps_first(void) {
struct Tree *node;
if ((node = tree_first(__maps.maps)))