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/munmap.c

@@ -17,7 +17,9 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/internal.h"
+#include "libc/calls/sysdebug.internal.h"
 #include "libc/dce.h"
+#include "libc/log/libfatal.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/runtime/directmap.internal.h"
 #include "libc/runtime/memtrack.internal.h"
@@ -42,11 +44,14 @@
  *     and for files size needs to be perfect to the byte bc openbsd
  * @return 0 on success, or -1 w/ errno
  */
-int munmap(void *addr, size_t size) {
+noasan int munmap(void *addr, size_t size) {
   int rc;
+  /* TODO(jart): are we unmapping shadows? */
+  SYSDEBUG("munmap(0x%x, 0x%x)", addr, size);
   if (!ALIGNED(addr) || !CANONICAL(addr) || !size) return einval();
   if (UntrackMemoryIntervals(addr, size) == -1) return -1;
   if (IsWindows()) return 0;
   if (IsMetal()) sys_munmap_metal(addr, size);
+  SYSDEBUG("sys_munmap(0x%x, 0x%x)", addr, size);
   return sys_munmap(addr, size);
 }