Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

libc/runtime/directmap-nt.c

@@ -18,6 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/calls/internal.h"
+#include "libc/calls/sysdebug.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/filemapflags.h"
 #include "libc/nt/enum/pageflags.h"
@@ -41,12 +42,18 @@ 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))) {
+    dm.maphandle = CreateFileMappingNuma(-1, &kNtIsInheritable,
+                                         kNtPageExecuteReadwrite, upsize >> 32,
+                                         upsize, NULL, kNtNumaNoPreferredNode);
+    SYSDEBUG("CreateFileMappingNuma(-1, kNtPageExecuteReadwrite, 0x%x/0x%x) -> "
+             "0x%x",
+             upsize, size, dm.maphandle);
+    if (dm.maphandle) {
+      dm.addr =
+          MapViewOfFileExNuma(dm.maphandle, kNtFileMapWrite | kNtFileMapExecute,
+                              0, 0, upsize, addr, kNtNumaNoPreferredNode);
+      SYSDEBUG("MapViewOfFileExNuma(WX, 0x%x) -> addr:0x%x", addr, dm.addr);
+      if (dm.addr) {
         for (i = 0; i < size; i += got) {
           got = 0;
           op.Internal = 0;
@@ -65,16 +72,26 @@ textwindows noasan struct DirectMap sys_mmap_nt(void *addr, size_t size,
       CloseHandle(dm.maphandle);
     }
   } else {
-    if ((dm.maphandle = CreateFileMappingNuma(
-             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))) {
+    dm.maphandle = CreateFileMappingNuma(
+        handle, &kNtIsInheritable,
+        (prot & PROT_WRITE) ? kNtPageExecuteReadwrite : kNtPageExecuteRead,
+        handle != -1 ? 0 : size >> 32, handle != -1 ? 0 : size, NULL,
+        kNtNumaNoPreferredNode);
+    SYSDEBUG("CreateFileMappingNuma(fhand:%d, prot:%s, size:0x%x) -> "
+             "handle:0x%x",
+             handle, (prot & PROT_WRITE) ? "XRW" : "XR",
+             handle != -1 ? 0 : size);
+    if (dm.maphandle) {
+      dm.addr = MapViewOfFileExNuma(
+          dm.maphandle,
+          (prot & PROT_WRITE) ? kNtFileMapWrite | kNtFileMapExecute
+                              : kNtFileMapRead | kNtFileMapExecute,
+          off >> 32, off, size, addr, kNtNumaNoPreferredNode);
+      SYSDEBUG(
+          "MapViewOfFileExNuma(prot:%s, off:0x%x, size:0x%x, addr:0x%x) -> "
+          "addr:0x%x",
+          (prot & PROT_WRITE) ? "WX" : "RX", off, size, addr);
+      if (dm.addr) {
         return dm;
       } else {
         CloseHandle(dm.maphandle);