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Optimize memory layout

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Compared to b69f3d2488, old windows specific fd, zipos and nsync memory ranges in libc/runtime/memtrack.internal.h were kept.
This commit is contained in:
Justine Tunney 2022-09-12 04:19:32 -07:00 • committed by Gavin Hayes
parent 0740e68ea0
commit 555260d2e5
41 changed files with 381 additions and 345 deletions
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8
libc/mem/arena.c
View file

@ -17,10 +17,10 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/intrin/likely.h"
#include "libc/intrin/weaken.h"
#include "libc/calls/calls.h"
#include "libc/dce.h"
#include "libc/intrin/likely.h"
#include "libc/intrin/weaken.h"
#include "libc/limits.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
@ -35,8 +35,8 @@
#include "libc/sysv/consts/prot.h"
#include "libc/sysv/errfuns.h"
#define BASE 0x50000000
#define SIZE 0x2ffe0000
#define BASE 0x50040000
#define SIZE 0x2ff80000
#define P(i) ((void *)(intptr_t)(i))
#define EXCHANGE(HOOK, SLOT) \
__arena_hook((intptr_t *)weaken(HOOK), (intptr_t *)(&(SLOT)))

7
libc/mem/pvalloc.c
View file

@ -20,7 +20,10 @@
#include "libc/mem/mem.h"
/**
* Equivalent to memalign(PAGESIZE, ROUNDUP(n, PAGESIZE)).
* Allocates granular aligned memory of granular size, i.e.
*
* memalign(sysconf(_SC_PAGESIZE),
* ROUNDUP(n, sysconf(_SC_PAGESIZE)));
*
* @param n number of bytes needed
* @return memory address, or NULL w/ errno
@ -28,5 +31,5 @@
* @threadsafe
*/
void *pvalloc(size_t n) {
return memalign(PAGESIZE, ROUNDUP(n, PAGESIZE));
return memalign(FRAMESIZE, ROUNDUP(n, FRAMESIZE));
}

6
libc/mem/valloc.c
View file

@ -19,7 +19,9 @@
#include "libc/mem/mem.h"
/**
* Equivalent to memalign(PAGESIZE, n).
* Allocates granular aligned memory, i.e.
*
* memalign(sysconf(_SC_PAGESIZE), n);
*
* @param n number of bytes needed
* @return memory address, or NULL w/ errno
@ -27,5 +29,5 @@
* @threadsafe
*/
void *valloc(size_t n) {
return memalign(PAGESIZE, n);
return memalign(FRAMESIZE, n);
}