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Get life.com in MODE=tiny back down to 12kb

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This commit is contained in:
Justine Tunney 2022-03-23 08:09:01 -07:00
parent 23b72eb617
commit b90fa996b4
14 changed files with 199 additions and 72 deletions
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27
libc/calls/directmap-nt.c
View file

@ -44,12 +44,12 @@ textwindows noasan struct DirectMap sys_mmap_nt(void *addr, size_t size,
* combination of flags, that'll cause Windows to actually do this!
*/
upsize = ROUNDUP(size, FRAMESIZE);
if ((dm.maphandle = CreateFileMappingNuma(
-1, &kNtIsInheritable, kNtPageExecuteReadwrite, upsize >> 32,
upsize, NULL, kNtNumaNoPreferredNode))) {
if ((dm.addr = MapViewOfFileExNuma(
dm.maphandle, kNtFileMapWrite | kNtFileMapExecute, 0, 0, upsize,
addr, kNtNumaNoPreferredNode))) {
if ((dm.maphandle =
CreateFileMapping(-1, &kNtIsInheritable, kNtPageExecuteReadwrite,
upsize >> 32, upsize, NULL))) {
if ((dm.addr = MapViewOfFileEx(dm.maphandle,
kNtFileMapWrite | kNtFileMapExecute, 0, 0,
upsize, addr))) {
for (i = 0; i < size; i += got) {
got = 0;
op.Internal = 0;
@ -68,16 +68,15 @@ textwindows noasan struct DirectMap sys_mmap_nt(void *addr, size_t size,
CloseHandle(dm.maphandle);
}
} else {
if ((dm.maphandle = CreateFileMappingNuma(
if ((dm.maphandle = CreateFileMapping(
handle, &kNtIsInheritable,
(prot & PROT_WRITE) ? kNtPageExecuteReadwrite : kNtPageExecuteRead,
handle != -1 ? 0 : size >> 32, handle != -1 ? 0 : size, NULL,
kNtNumaNoPreferredNode))) {
if ((dm.addr = MapViewOfFileExNuma(
dm.maphandle,
(prot & PROT_WRITE) ? kNtFileMapWrite | kNtFileMapExecute
: kNtFileMapRead | kNtFileMapExecute,
off >> 32, off, size, addr, kNtNumaNoPreferredNode))) {
handle != -1 ? 0 : size >> 32, handle != -1 ? 0 : size, NULL))) {
if ((dm.addr = MapViewOfFileEx(dm.maphandle,
(prot & PROT_WRITE)
? kNtFileMapWrite | kNtFileMapExecute
: kNtFileMapRead | kNtFileMapExecute,
off >> 32, off, size, addr))) {
return dm;
}
CloseHandle(dm.maphandle);

10
libc/calls/ntspawn.c
View file

@ -75,15 +75,13 @@ textwindows int ntspawn(
block = NULL;
if (__mkntpath(prog, prog16) == -1) return -1;
blocksize = ROUNDUP(sizeof(*block), FRAMESIZE);
if ((handle = CreateFileMappingNuma(
if ((handle = CreateFileMapping(
-1,
&(struct NtSecurityAttributes){sizeof(struct NtSecurityAttributes),
NULL, false},
pushpop(kNtPageReadwrite), 0, blocksize, NULL,
kNtNumaNoPreferredNode)) &&
(block =
MapViewOfFileExNuma(handle, kNtFileMapRead | kNtFileMapWrite, 0, 0,
blocksize, NULL, kNtNumaNoPreferredNode))) {
pushpop(kNtPageReadwrite), 0, blocksize, NULL)) &&
(block = MapViewOfFileEx(handle, kNtFileMapRead | kNtFileMapWrite, 0, 0,
blocksize, NULL))) {
if (mkntcmdline(block->cmdline, prog, argv) != -1 &&
mkntenvblock(block->envvars, envp, extravar) != -1) {
if (CreateProcess(prog16, block->cmdline, opt_lpProcessAttributes,