Make some systemic improvements

- add vdso dump utility
- tests now log stack usage
- rename g_ftrace to __ftrace
- make internal spinlocks go faster
- add conformant c11 atomics library
- function tracing now logs stack usage
- make function call tracing thread safe
- add -X unsecure (no ssl) mode to redbean
- munmap() has more consistent behavior now
- pacify fsync() calls on python unit tests
- make --strace flag work better in redbean
- start minimizing and documenting compiler flags

libc/sysv/sysv.mk

@@ -33,7 +33,7 @@ LIBC_SYSV_A_DIRECTDEPS =				\
 LIBC_SYSV_A_FILES :=					\
 	libc/sysv/macros.internal.h			\
 	libc/sysv/errfuns.h				\
-	libc/sysv/g_syscount.S				\
+	libc/sysv/syscount.S				\
 	libc/sysv/restorert.S				\
 	libc/sysv/syscall.S				\
 	libc/sysv/systemfive.S				\
@@ -75,9 +75,11 @@ o/libc/sysv/consts/syscon.internal.inc:			\
 		libc/macros-cpp.internal.inc		\
 		libc/macros.internal.inc
 
+# we can't use asan and ubsan because:
+#   we're higher in the topological order of things
 o/$(MODE)/libc/sysv/errno.greg.o:			\
 		OVERRIDE_CFLAGS +=			\
-			$(NO_MAGIC)
+			-fno-sanitize=all
 
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