Perform some code cleanup

libc/calls/mkntenvblock.c

@@ -23,7 +23,6 @@
 #include "libc/mem/alloca.h"
 #include "libc/mem/arraylist2.internal.h"
 #include "libc/mem/mem.h"
-#include "libc/str/oldutf16.internal.h"
 #include "libc/str/str.h"
 #include "libc/str/thompike.h"
 #include "libc/str/utf16.h"

libc/fmt/vcscanf.c

@@ -21,7 +21,6 @@
 #include "libc/intrin/weaken.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/runtime.h"
-#include "libc/str/oldutf16.internal.h"
 #include "libc/str/str.h"
 #include "libc/str/tab.internal.h"
 #include "libc/str/tpdecodecb.internal.h"

libc/integral/c.inc

@@ -848,5 +848,11 @@ typedef struct {
 #define STATIC_YOINK_SOURCE(PATH)
 #endif
 
+#define __strong_reference(sym, aliassym) \
+  extern typeof(sym) aliassym __attribute__((__alias__(#sym)))
+#define __weak_reference(sym, alias) \
+  asm(".weak\t" #alias "\n\t"        \
+      ".equ\t" #alias ", " #sym)
+
 #define MACHINE_CODE_ANALYSIS_BEGIN_
 #define MACHINE_CODE_ANALYSIS_END_

libc/intrin/__cxa_pure_virtual.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/intrin.h"
 #include "libc/intrin/kprintf.h"
 
 void __cxa_pure_virtual(void) {

libc/intrin/bsf.c

@@ -38,3 +38,45 @@
 int(_bsf)(int x) {
   return _bsf(x);
 }
+
+/**
+ * Returns position of first bit set.
+ *
+ *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
+ *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
+ *     0x00000000      wut       32        0      wut       32
+ *     0x00000001        0        0        1        0       31
+ *     0x80000001        0        0        1       31        0
+ *     0x80000000       31       31       32       31        0
+ *     0x00000010        4        4        5        4       27
+ *     0x08000010        4        4        5       27        4
+ *     0x08000000       27       27       28       27        4
+ *     0xffffffff        0        0        1       31        0
+ *
+ * @param 𝑥 is a 64-bit integer
+ * @return number in range 0..63 or undefined if 𝑥 is 0
+ */
+int(_bsfl)(long x) {
+  return _bsfl(x);
+}
+
+/**
+ * Returns position of first bit set.
+ *
+ *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
+ *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
+ *     0x00000000      wut       32        0      wut       32
+ *     0x00000001        0        0        1        0       31
+ *     0x80000001        0        0        1       31        0
+ *     0x80000000       31       31       32       31        0
+ *     0x00000010        4        4        5        4       27
+ *     0x08000010        4        4        5       27        4
+ *     0x08000000       27       27       28       27        4
+ *     0xffffffff        0        0        1       31        0
+ *
+ * @param 𝑥 is a 64-bit integer
+ * @return number in range 0..63 or undefined if 𝑥 is 0
+ */
+int(_bsfll)(long long x) {
+  return _bsfll(x);
+}

libc/intrin/bsfl.c

@@ -1,40 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/bsf.h"
-
-/**
- * Returns position of first bit set.
- *
- *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
- *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
- *     0x00000000      wut       32        0      wut       32
- *     0x00000001        0        0        1        0       31
- *     0x80000001        0        0        1       31        0
- *     0x80000000       31       31       32       31        0
- *     0x00000010        4        4        5        4       27
- *     0x08000010        4        4        5       27        4
- *     0x08000000       27       27       28       27        4
- *     0xffffffff        0        0        1       31        0
- *
- * @param 𝑥 is a 64-bit integer
- * @return number in range 0..63 or undefined if 𝑥 is 0
- */
-int(_bsfl)(long x) {
-  return _bsfl(x);
-}

libc/intrin/bsfll.c

@@ -1,40 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/bsf.h"
-
-/**
- * Returns position of first bit set.
- *
- *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
- *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
- *     0x00000000      wut       32        0      wut       32
- *     0x00000001        0        0        1        0       31
- *     0x80000001        0        0        1       31        0
- *     0x80000000       31       31       32       31        0
- *     0x00000010        4        4        5        4       27
- *     0x08000010        4        4        5       27        4
- *     0x08000000       27       27       28       27        4
- *     0xffffffff        0        0        1       31        0
- *
- * @param 𝑥 is a 64-bit integer
- * @return number in range 0..63 or undefined if 𝑥 is 0
- */
-int(_bsfll)(long long x) {
-  return _bsfll(x);
-}

libc/intrin/bsr.c

@@ -38,3 +38,45 @@
 int(_bsr)(int x) {
   return _bsr(x);
 }
+
+/**
+ * Returns binary logarithm of 𝑥.
+ *
+ *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
+ *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
+ *     0x00000000      wut       32        0      wut       32
+ *     0x00000001        0        0        1        0       31
+ *     0x80000001        0        0        1       31        0
+ *     0x80000000       31       31       32       31        0
+ *     0x00000010        4        4        5        4       27
+ *     0x08000010        4        4        5       27        4
+ *     0x08000000       27       27       28       27        4
+ *     0xffffffff        0        0        1       31        0
+ *
+ * @param x is a 64-bit integer
+ * @return number in range 0..63 or undefined if 𝑥 is 0
+ */
+int(_bsrl)(long x) {
+  return _bsrl(x);
+}
+
+/**
+ * Returns binary logarithm of 𝑥.
+ *
+ *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
+ *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
+ *     0x00000000      wut       32        0      wut       32
+ *     0x00000001        0        0        1        0       31
+ *     0x80000001        0        0        1       31        0
+ *     0x80000000       31       31       32       31        0
+ *     0x00000010        4        4        5        4       27
+ *     0x08000010        4        4        5       27        4
+ *     0x08000000       27       27       28       27        4
+ *     0xffffffff        0        0        1       31        0
+ *
+ * @param x is a 64-bit integer
+ * @return number in range 0..63 or undefined if 𝑥 is 0
+ */
+int(_bsrll)(long long x) {
+  return _bsrll(x);
+}

libc/intrin/bsrl.c

@@ -1,40 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/bsr.h"
-
-/**
- * Returns binary logarithm of 𝑥.
- *
- *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
- *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
- *     0x00000000      wut       32        0      wut       32
- *     0x00000001        0        0        1        0       31
- *     0x80000001        0        0        1       31        0
- *     0x80000000       31       31       32       31        0
- *     0x00000010        4        4        5        4       27
- *     0x08000010        4        4        5       27        4
- *     0x08000000       27       27       28       27        4
- *     0xffffffff        0        0        1       31        0
- *
- * @param x is a 64-bit integer
- * @return number in range 0..63 or undefined if 𝑥 is 0
- */
-int(_bsrl)(long x) {
-  return _bsrl(x);
-}

libc/intrin/bsrll.c

@@ -1,40 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/bsr.h"
-
-/**
- * Returns binary logarithm of 𝑥.
- *
- *                           ctz(𝑥)         31^clz(𝑥)   clz(𝑥)
- *       uint32 𝑥  _bsf(𝑥) tzcnt(𝑥)   ffs(𝑥)  _bsr(𝑥) lzcnt(𝑥)
- *     0x00000000      wut       32        0      wut       32
- *     0x00000001        0        0        1        0       31
- *     0x80000001        0        0        1       31        0
- *     0x80000000       31       31       32       31        0
- *     0x00000010        4        4        5        4       27
- *     0x08000010        4        4        5       27        4
- *     0x08000000       27       27       28       27        4
- *     0xffffffff        0        0        1       31        0
- *
- * @param x is a 64-bit integer
- * @return number in range 0..63 or undefined if 𝑥 is 0
- */
-int(_bsrll)(long long x) {
-  return _bsrll(x);
-}

libc/intrin/describearchprctlcode.c

@@ -20,11 +20,7 @@
 #include "libc/fmt/itoa.h"
 #include "libc/intrin/describeflags.internal.h"
 
-#ifdef DescribeArchPrctlCode
+const char *(DescribeArchPrctlCode)(char buf[12], int x) {
-#undef DescribeArchPrctlCode
-#endif
-
-const char *DescribeArchPrctlCode(char buf[12], int x) {
   if (x == ARCH_SET_FS) return "ARCH_SET_FS";
   if (x == ARCH_GET_FS) return "ARCH_GET_FS";
   if (x == ARCH_SET_GS) return "ARCH_SET_GS";

libc/intrin/describebacktrace.c

@@ -20,15 +20,11 @@
 #include "libc/intrin/kprintf.h"
 #include "libc/nexgen32e/stackframe.h"
 
-#ifdef DescribeBacktrace
-#undef DescribeBacktrace
-#endif
-
 #define N 64
 
 #define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
 
-const char *DescribeBacktrace(char buf[N], struct StackFrame *fr) {
+const char *(DescribeBacktrace)(char buf[N], struct StackFrame *fr) {
   int o = 0;
   bool gotsome = false;
   while (fr) {

libc/intrin/describecapability.c

@@ -22,10 +22,6 @@
 #include "libc/str/str.h"
 #include "libc/sysv/consts/cap.h"
 
-#ifdef DescribeCapability
-#undef DescribeCapability
-#endif
-
 static const struct thatispacked {
   unsigned char x;
   const char *s;
@@ -73,7 +69,7 @@ static const struct thatispacked {
     {CAP_CHECKPOINT_RESTORE, "CHECKPOINT_RESTORE"},  //
 };
 
-const char *DescribeCapability(char buf[32], int x) {
+const char *(DescribeCapability)(char buf[32], int x) {
   int i;
   for (i = 0; i < ARRAYLEN(kCapabilityName); ++i) {
     if (kCapabilityName[i].x == x) {

libc/intrin/describedirfd.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/at.h"
 
-#ifdef DescribeDirfd
+const char *(DescribeDirfd)(char buf[12], int dirfd) {
-#undef DescribeDirfd
-#endif
-
-const char *DescribeDirfd(char buf[12], int dirfd) {
   if (dirfd == AT_FDCWD) return "AT_FDCWD";
   FormatInt32(buf, dirfd);
   return buf;

libc/intrin/describefcntlcmd.c

@@ -21,11 +21,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/str/str.h"
 
-#ifdef DescribeFcntlCmd
+const char *(DescribeFcntlCmd)(char buf[20], int x) {
-#undef DescribeFcntlCmd
-#endif
-
-const char *DescribeFcntlCmd(char buf[20], int x) {
   const char *s;
   if (x >= 0 && (s = GetMagnumStr(kFcntlCmds, x))) {
     buf[0] = 'F';

libc/intrin/describeflock.c

@@ -24,15 +24,11 @@
 #include "libc/intrin/kprintf.h"
 #include "libc/sysv/consts/f.h"
 
-#ifdef DescribeFlock
-#undef DescribeFlock
-#endif
-
 #define N 300
 
 #define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
 
-const char *DescribeFlock(char buf[N], int cmd, const struct flock *l) {
+const char *(DescribeFlock)(char buf[N], int cmd, const struct flock *l) {
   int o = 0;
 
   if (!l) return "NULL";

libc/intrin/describeframe.c

@@ -26,10 +26,6 @@
 #include "libc/runtime/runtime.h"
 #include "libc/runtime/winargs.internal.h"
 
-#ifdef DescribeFrame
-#undef DescribeFrame
-#endif
-
 #define ADDR(x)     ((int64_t)((uint64_t)(x) << 32) >> 16)
 #define UNSHADOW(x) ((int64_t)(MAX(0, (x)-0x7fff8000)) << 3)
 #define FRAME(x)    ((int)((x) >> 16))
@@ -78,7 +74,7 @@ static const char *GetFrameName(int x) {
   }
 }
 
-const char *DescribeFrame(char buf[32], int x) {
+const char *(DescribeFrame)(char buf[32], int x) {
   char *p;
   if (IsShadowFrame(x)) {
     ksnprintf(buf, 32, "%s %s %.8x", GetFrameName(x),

libc/intrin/describegidlist.c

@@ -24,13 +24,9 @@
 #include "libc/macros.internal.h"
 #include "libc/str/str.h"
 
-#ifdef DescribeGidList
-#undef DescribeGidList
-#endif
-
 #define N 128
 
-const char *DescribeGidList(char buf[N], int rc, int size,
+const char *(DescribeGidList)(char buf[N], int rc, int size,
                               const uint32_t list[]) {
   if ((rc == -1) || (size < 0)) return "n/a";
   if (!size) return "{}";

libc/intrin/describehow.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/sig.h"
 
-#ifdef DescribeHow
+const char *(DescribeHow)(char buf[12], int how) {
-#undef DescribeHow
-#endif
-
-const char *DescribeHow(char buf[12], int how) {
   if (how == SIG_BLOCK) return "SIG_BLOCK";
   if (how == SIG_UNBLOCK) return "SIG_UNBLOCK";
   if (how == SIG_SETMASK) return "SIG_SETMASK";

libc/intrin/describemapping.c

@@ -21,10 +21,6 @@
 #include "libc/sysv/consts/map.h"
 #include "libc/sysv/consts/prot.h"
 
-#ifdef DescribeMapping
-#undef DescribeMapping
-#endif
-
 static char DescribeMapType(int flags) {
   switch (flags & MAP_TYPE) {
     case MAP_FILE:
@@ -48,7 +44,7 @@ char *DescribeProt(char p[4], int prot) {
   return p;
 }
 
-const char *DescribeMapping(char p[8], int prot, int flags) {
+const char *(DescribeMapping)(char p[8], int prot, int flags) {
   /* asan runtime depends on this function */
   DescribeProt(p, prot);
   p[3] = DescribeMapType(flags);

libc/intrin/describentconsolemodeinputflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/consolemodeflags.h"
 
-#ifdef DescribeNtConsoleInFlags
-#undef DescribeNtConsoleInFlags
-#endif
-
 static const struct DescribeFlags kConsoleModeInputFlags[] = {
     {kNtEnableProcessedInput, "ProcessedInput"},              //
     {kNtEnableLineInput, "LineInput"},                        //
@@ -37,7 +33,7 @@ static const struct DescribeFlags kConsoleModeInputFlags[] = {
     {kNtEnableVirtualTerminalInput, "VirtualTerminalInput"},  //
 };
 
-const char *DescribeNtConsoleInFlags(char buf[256], uint32_t x) {
+const char *(DescribeNtConsoleInFlags)(char buf[256], uint32_t x) {
   return DescribeFlags(buf, 256, kConsoleModeInputFlags,
                        ARRAYLEN(kConsoleModeInputFlags), "kNtEnable", x);
 }

libc/intrin/describentconsolemodeoutputflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/consolemodeflags.h"
 
-#ifdef DescribeNtConsoleOutFlags
-#undef DescribeNtConsoleOutFlags
-#endif
-
 static const struct DescribeFlags kConsoleModeOutputFlags[] = {
     {kNtEnableProcessedOutput, "EnableProcessedOutput"},                      //
     {kNtEnableWrapAtEolOutput, "EnableWrapAtEolOutput"},                      //
@@ -32,7 +28,7 @@ static const struct DescribeFlags kConsoleModeOutputFlags[] = {
     {kNtEnableLvbGridWorldwide, "EnableLvbGridWorldwide"},                    //
 };
 
-const char *DescribeNtConsoleOutFlags(char buf[128], uint32_t x) {
+const char *(DescribeNtConsoleOutFlags)(char buf[128], uint32_t x) {
   return DescribeFlags(buf, 128, kConsoleModeOutputFlags,
                        ARRAYLEN(kConsoleModeOutputFlags), "kNt", x);
 }

libc/intrin/describentfileflagattr.c

@@ -21,10 +21,6 @@
 #include "libc/nt/enum/fileflagandattributes.h"
 #include "libc/runtime/runtime.h"
 
-#ifdef DescribeNtFileFlagAttr
-#undef DescribeNtFileFlagAttr
-#endif
-
 static const struct DescribeFlags kFileFlags[] = {
     {kNtFileAttributeReadonly, "AttributeReadonly"},                    //
     {kNtFileAttributeHidden, "AttributeHidden"},                        //
@@ -54,7 +50,7 @@ static const struct DescribeFlags kFileFlags[] = {
     {kNtFileFlagFirstPipeInstance, "FlagFirstPipeInstance"},            //
 };
 
-const char *DescribeNtFileFlagAttr(char buf[256], uint32_t x) {
+const char *(DescribeNtFileFlagAttr)(char buf[256], uint32_t x) {
   if (x == -1u) return "-1u";
   return DescribeFlags(buf, 256, kFileFlags, ARRAYLEN(kFileFlags), "kNtFile",
                        x);

libc/intrin/describentfilemapflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/filemapflags.h"
 
-#ifdef DescribeNtFileMapFlags
-#undef DescribeNtFileMapFlags
-#endif
-
 static const struct DescribeFlags kFileMapFlags[] = {
     {kNtFileMapCopy, "Copy"},                      //
     {kNtFileMapWrite, "Write"},                    //
@@ -34,7 +30,7 @@ static const struct DescribeFlags kFileMapFlags[] = {
     {kNtFileMapLargePages, "LargePages"},          //
 };
 
-const char *DescribeNtFileMapFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtFileMapFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kFileMapFlags, ARRAYLEN(kFileMapFlags),
                        "kNtFileMap", x);
 }

libc/intrin/describentfileshareflags.c

@@ -20,17 +20,13 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/filesharemode.h"
 
-#ifdef DescribeNtFileShareFlags
-#undef DescribeNtFileShareFlags
-#endif
-
 static const struct DescribeFlags kFileShareflags[] = {
     {kNtFileShareRead, "Read"},      //
     {kNtFileShareWrite, "Write"},    //
     {kNtFileShareDelete, "Delete"},  //
 };
 
-const char *DescribeNtFileShareFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtFileShareFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kFileShareflags, ARRAYLEN(kFileShareflags),
                        "kNtFileShare", x);
 }

libc/intrin/describentfiletypeflags.c

@@ -21,10 +21,6 @@
 #include "libc/nt/enum/filetype.h"
 #include "libc/sysv/consts/mremap.h"
 
-#ifdef DescribeNtFiletypeFlags
-#undef DescribeNtFiletypeFlags
-#endif
-
 static const struct DescribeFlags kFiletypeFlags[] = {
     {kNtFileTypeRemote, "Remote"},  //
     {kNtFileTypePipe, "Pipe"},      // order matters
@@ -32,7 +28,7 @@ static const struct DescribeFlags kFiletypeFlags[] = {
     {kNtFileTypeChar, "Char"},      //
 };
 
-const char *DescribeNtFiletypeFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtFiletypeFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kFiletypeFlags, ARRAYLEN(kFiletypeFlags),
                        "kNtFileType", x);
 }

libc/intrin/describentlockfileflags.c

@@ -20,16 +20,12 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/filelockflags.h"
 
-#ifdef DescribeNtLockFileFlags
-#undef DescribeNtLockFileFlags
-#endif
-
 static const struct DescribeFlags kNtLockFileFlags[] = {
     {kNtLockfileFailImmediately, "FailImmediately"},  //
     {kNtLockfileExclusiveLock, "ExclusiveLock"},      //
 };
 
-const char *DescribeNtLockFileFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtLockFileFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kNtLockFileFlags, ARRAYLEN(kNtLockFileFlags),
                        "kNtLockfile", x);
 }

libc/intrin/describentmovfileinpflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/movefileexflags.h"
 
-#ifdef DescribeNtMovFileInpFlags
-#undef DescribeNtMovFileInpFlags
-#endif
-
 static const struct DescribeFlags kMoveFileInputFlags[] = {
     {kNtMovefileReplaceExisting, "ReplaceExisting"},        //
     {kNtMovefileCopyAllowed, "CopyAllowed"},                //
@@ -33,7 +29,7 @@ static const struct DescribeFlags kMoveFileInputFlags[] = {
     {kNtMovefileFailIfNotTrackable, "FailIfNotTrackable"},  //
 };
 
-const char *DescribeNtMovFileInpFlags(char buf[256], uint32_t x) {
+const char *(DescribeNtMovFileInpFlags)(char buf[256], uint32_t x) {
   return DescribeFlags(buf, 256, kMoveFileInputFlags,
                        ARRAYLEN(kMoveFileInputFlags), "kNtMovefile", x);
 }

libc/intrin/describentpageflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/pageflags.h"
 
-#ifdef DescribeNtPageFlags
-#undef DescribeNtPageFlags
-#endif
-
 static const struct DescribeFlags kPageFlags[] = {
     {kNtPageNoaccess, "PageNoaccess"},                  //
     {kNtPageReadonly, "PageReadonly"},                  //
@@ -45,6 +41,6 @@ static const struct DescribeFlags kPageFlags[] = {
     {kNtSecWritecombine, "SecWritecombine"},            //
 };
 
-const char *DescribeNtPageFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtPageFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kPageFlags, ARRAYLEN(kPageFlags), "kNt", x);
 }

libc/intrin/describentpipeopenflags.c

@@ -21,17 +21,13 @@
 #include "libc/nt/enum/filemapflags.h"
 #include "libc/nt/ipc.h"
 
-#ifdef DescribeNtPipeOpenFlags
-#undef DescribeNtPipeOpenFlags
-#endif
-
 static const struct DescribeFlags kPipeOpenFlags[] = {
     {kNtPipeAccessDuplex, "Duplex"},      // 0x00000003
     {kNtPipeAccessOutbound, "Outbound"},  // 0x00000002
     {kNtPipeAccessInbound, "Inbound"},    // 0x00000001
 };
 
-const char *DescribeNtPipeOpenFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtPipeOpenFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kPipeOpenFlags, ARRAYLEN(kPipeOpenFlags),
                        "kNtPipeAccess", x);
 }

libc/intrin/describentprocaccessflags.c

@@ -20,10 +20,6 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/processaccess.h"
 
-#ifdef DescribeNtProcAccessFlags
-#undef DescribeNtProcAccessFlags
-#endif
-
 static const struct DescribeFlags kProcessAccessflags[] = {
     {kNtProcessAllAccess, "AllAccess"},                              //
     {kNtProcessCreateProcess, "CreateProcess"},                      //
@@ -41,7 +37,7 @@ static const struct DescribeFlags kProcessAccessflags[] = {
     {kNtProcessSynchronize, "Synchronize"},                          //
 };
 
-const char *DescribeNtProcAccessFlags(char buf[256], uint32_t x) {
+const char *(DescribeNtProcAccessFlags)(char buf[256], uint32_t x) {
   return DescribeFlags(buf, 256, kProcessAccessflags,
                        ARRAYLEN(kProcessAccessflags), "kNtProcess", x);
 }

libc/intrin/describentstartflags.c

@@ -21,10 +21,6 @@
 #include "libc/nt/enum/startf.h"
 #include "libc/sysv/consts/prot.h"
 
-#ifdef DescribeNtStartFlags
-#undef DescribeNtStartFlags
-#endif
-
 static const struct DescribeFlags kNtStartFlags[] = {
     {kNtStartfUseshowwindow, "Useshowwindow"},        //
     {kNtStartfUsesize, "Usesize"},                    //
@@ -42,7 +38,7 @@ static const struct DescribeFlags kNtStartFlags[] = {
     {kNtStartfUntrustedsource, "Untrustedsource"},    //
 };
 
-const char *DescribeNtStartFlags(char buf[128], uint32_t x) {
+const char *(DescribeNtStartFlags)(char buf[128], uint32_t x) {
   return DescribeFlags(buf, 128, kNtStartFlags, ARRAYLEN(kNtStartFlags),
                        "kNtStartf", x);
 }

libc/intrin/describentsymlinkflags.c

@@ -20,16 +20,12 @@
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/symboliclink.h"
 
-#ifdef DescribeNtSymlinkFlags
-#undef DescribeNtSymlinkFlags
-#endif
-
 static const struct DescribeFlags kSymbolicLinkflags[] = {
     {kNtSymbolicLinkFlagDirectory, "Directory"},                              //
     {kNtSymbolicLinkFlagAllowUnprivilegedCreate, "AllowUnprivilegedCreate"},  //
 };
 
-const char *DescribeNtSymlinkFlags(char buf[64], uint32_t x) {
+const char *(DescribeNtSymlinkFlags)(char buf[64], uint32_t x) {
   return DescribeFlags(buf, 64, kSymbolicLinkflags,
                        ARRAYLEN(kSymbolicLinkflags), "kNtSymbolicLinkFlag", x);
 }

libc/intrin/describepersonalityflags.c

@@ -22,10 +22,6 @@
 #include "libc/nt/enum/filesharemode.h"
 #include "libc/sysv/consts/personality.h"
 
-#ifdef DescribePersonalityFlags
-#undef DescribePersonalityFlags
-#endif
-
 static const struct DescribeFlags kPersonalityFlags[] = {
     {ADDR_COMPAT_LAYOUT, "ADDR_COMPAT_LAYOUT"},  //
     {READ_IMPLIES_EXEC, "READ_IMPLIES_EXEC"},    //
@@ -40,7 +36,7 @@ static const struct DescribeFlags kPersonalityFlags[] = {
     {UNAME26, "UNAME26"},                        //
 };
 
-const char *DescribePersonalityFlags(char buf[128], int x) {
+const char *(DescribePersonalityFlags)(char buf[128], int x) {
   return DescribeFlags(buf, 128, kPersonalityFlags, ARRAYLEN(kPersonalityFlags),
                        "", x);
 }

libc/intrin/describepollflags.c

@@ -21,11 +21,7 @@
 #include "libc/nt/enum/filemapflags.h"
 #include "libc/sysv/consts/poll.h"
 
-#ifdef DescribePollFlags
+const char *(DescribePollFlags)(char buf[64], int x) {
-#undef DescribePollFlags
-#endif
-
-const char *DescribePollFlags(char buf[64], int x) {
   const struct DescribeFlags kPollFlags[] = {
       {POLLIN, "IN"},          // order matters
       {POLLOUT, "OUT"},        // order matters

libc/intrin/describeprotflags.c

@@ -20,16 +20,12 @@
 #include "libc/macros.internal.h"
 #include "libc/sysv/consts/prot.h"
 
-#ifdef DescribeProtFlags
-#undef DescribeProtFlags
-#endif
-
 static const struct DescribeFlags kProtFlags[] = {
     {PROT_READ, "READ"},    //
     {PROT_WRITE, "WRITE"},  //
     {PROT_EXEC, "EXEC"},    //
 };
 
-const char *DescribeProtFlags(char buf[48], int x) {
+const char *(DescribeProtFlags)(char buf[48], int x) {
   return DescribeFlags(buf, 48, kProtFlags, ARRAYLEN(kProtFlags), "PROT_", x);
 }

libc/intrin/describeptrace.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/ptrace.h"
 
-#ifdef DescribePtrace
+const char *(DescribePtrace)(char buf[12], int x) {
-#undef DescribePtrace
-#endif
-
-const char *DescribePtrace(char buf[12], int x) {
   if (x == -1) return "-1";
   if (x == PTRACE_TRACEME) return "PTRACE_TRACEME";
   if (x == PTRACE_PEEKDATA) return "PTRACE_PEEKDATA";

libc/intrin/describeptraceevent.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/ptrace.h"
 
-#ifdef DescribePtraceEvent
+const char *(DescribePtraceEvent)(char buf[32], int x) {
-#undef DescribePtraceEvent
-#endif
-
-const char *DescribePtraceEvent(char buf[32], int x) {
   if (x == PTRACE_EVENT_FORK) return "PTRACE_EVENT_FORK";
   if (x == PTRACE_EVENT_VFORK) return "PTRACE_EVENT_VFORK";
   if (x == PTRACE_EVENT_CLONE) return "PTRACE_EVENT_CLONE";

libc/intrin/describeremapflags.c

@@ -20,16 +20,12 @@
 #include "libc/macros.internal.h"
 #include "libc/sysv/consts/mremap.h"
 
-#ifdef DescribeRemapFlags
-#undef DescribeRemapFlags
-#endif
-
 static const struct DescribeFlags kRemapFlags[] = {
     {MREMAP_MAYMOVE, "MAYMOVE"},  //
     {MREMAP_FIXED, "FIXED"},      //
 };
 
-const char *DescribeRemapFlags(char buf[48], int x) {
+const char *(DescribeRemapFlags)(char buf[48], int x) {
   return DescribeFlags(buf, 48, kRemapFlags, ARRAYLEN(kRemapFlags), "MREMAP_",
                        x);
 }

libc/intrin/describerlimitname.c

@@ -19,14 +19,10 @@
 #include "libc/fmt/magnumstrs.internal.h"
 #include "libc/intrin/describeflags.internal.h"
 
-#ifdef DescribeRlimitName
-#undef DescribeRlimitName
-#endif
-
 /**
  * Describes setrlimit() / getrlimit() argument.
  */
-const char *DescribeRlimitName(char buf[20], int x) {
+const char *(DescribeRlimitName)(char buf[20], int x) {
   if (x == 127) return "n/a";
   return DescribeMagnum(buf, kRlimitNames, "RLIMIT_", x);
 }

libc/intrin/describeschedpolicy.c

@@ -23,14 +23,10 @@
 #include "libc/str/str.h"
 #include "libc/sysv/consts/sched.h"
 
-#ifdef DescribeSchedPolicy
-#undef DescribeSchedPolicy
-#endif
-
 /**
  * Describes clock_gettime() clock argument.
  */
-const char *DescribeSchedPolicy(char buf[48], int x) {
+const char *(DescribeSchedPolicy)(char buf[48], int x) {
   char *p = buf;
   if (x == -1) {
     goto DoNumber;

libc/intrin/describesicode.c

@@ -22,10 +22,6 @@
 #include "libc/sysv/consts/sicode.h"
 #include "libc/sysv/consts/sig.h"
 
-#ifdef DescribeSiCode
-#undef DescribeSiCode
-#endif
-
 static bool IsSiUser(int si_code) {
   if (!IsOpenbsd()) {
     return si_code == SI_USER;
@@ -42,7 +38,7 @@ static void NameIt(char p[17], const char *s, int si_code) {
 /**
  * Returns symbolic name for siginfo::si_code value.
  */
-const char *DescribeSiCode(char b[17], int sig, int si_code) {
+const char *(DescribeSiCode)(char b[17], int sig, int si_code) {
   NameIt(b, "SI_", si_code);
   if (si_code == SI_QUEUE) {
     strcpy(b + 3, "QUEUE"); /* sent by sigqueue(2) */

libc/intrin/describesigaction.c

@@ -27,10 +27,6 @@
 #include "libc/mem/alloca.h"
 #include "libc/sysv/consts/sa.h"
 
-#ifdef DescribeSigaction
-#undef DescribeSigaction
-#endif
-
 static const char *DescribeSigHandler(char buf[64], void f(int)) {
   if (f == SIG_ERR) return "SIG_ERR";
   if (f == SIG_DFL) return "SIG_DFL";
@@ -58,7 +54,8 @@ static const char *DescribeSigFlags(char buf[64], int x) {
 
 #define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
 
-const char *DescribeSigaction(char buf[N], int rc, const struct sigaction *sa) {
+const char *(DescribeSigaction)(char buf[N], int rc,
+                                const struct sigaction *sa) {
   int o = 0;
   char b64[64];
 

libc/intrin/describesigaltstack.c

@@ -22,11 +22,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/intrin/kprintf.h"
 
-#ifdef DescribeSigaltstk
+const char *(DescribeSigaltstk)(char buf[128], int rc,
-#undef DescribeSigaltstk
-#endif
-
-const char *DescribeSigaltstk(char buf[128], int rc,
                                 const struct sigaltstack *ss) {
   if (rc == -1) return "n/a";
   if (!ss) return "NULL";

libc/intrin/describesocketfamily.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/af.h"
 
-#ifdef DescribeSocketFamily
+const char *(DescribeSocketFamily)(char buf[12], int family) {
-#undef DescribeSocketFamily
-#endif
-
-const char *DescribeSocketFamily(char buf[12], int family) {
   if (family == AF_UNIX) return "AF_UNIX";
   if (family == AF_INET) return "AF_INET";
   if (family == AF_INET6) return "AF_INET6";

libc/intrin/describesocketprotocol.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/ipproto.h"
 
-#ifdef DescribeSocketProtocol
+const char *(DescribeSocketProtocol)(char buf[12], int family) {
-#undef DescribeSocketProtocol
-#endif
-
-const char *DescribeSocketProtocol(char buf[12], int family) {
   if (family == IPPROTO_IP) return "IPPROTO_IP";
   if (family == IPPROTO_ICMP) return "IPPROTO_ICMP";
   if (family == IPPROTO_TCP) return "IPPROTO_TCP";

libc/intrin/describesockettype.c

@@ -21,11 +21,7 @@
 #include "libc/str/str.h"
 #include "libc/sysv/consts/sock.h"
 
-#ifdef DescribeSocketType
+const char *(DescribeSocketType)(char buf[64], int type) {
-#undef DescribeSocketType
-#endif
-
-const char *DescribeSocketType(char buf[64], int type) {
   int x;
   char *p;
   p = buf;

libc/intrin/describesocklevel.c

@@ -20,14 +20,10 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/sysv/consts/sol.h"
 
-#ifdef DescribeSockLevel
-#undef DescribeSockLevel
-#endif
-
 /**
  * Describes setsockopt() level arguments.
  */
-const char *DescribeSockLevel(char buf[12], int x) {
+const char *(DescribeSockLevel)(char buf[12], int x) {
   if (x == SOL_IP) return "SOL_IP";
   if (x == SOL_TCP) return "SOL_TCP";
   if (x == SOL_UDP) return "SOL_UDP";

libc/intrin/describesockoptname.c

@@ -22,14 +22,10 @@
 #include "libc/str/str.h"
 #include "libc/sysv/consts/sol.h"
 
-#ifdef DescribeSockOptname
-#undef DescribeSockOptname
-#endif
-
 /**
  * Describes setsockopt() optname arguments.
  */
-const char *DescribeSockOptname(char buf[32], int l, int x) {
+const char *(DescribeSockOptname)(char buf[32], int l, int x) {
   int i;
   char *s, *p;
   const struct MagnumStr *ms;

libc/intrin/describestatfs.c

@@ -24,15 +24,11 @@
 #include "libc/intrin/kprintf.h"
 #include "libc/sysv/consts/st.h"
 
-#ifdef DescribeStatfs
-#undef DescribeStatfs
-#endif
-
 #define N 300
 
 #define append(...) i += ksnprintf(buf + i, N - i, __VA_ARGS__)
 
-const char *DescribeStatfs(char buf[N], int rc, const struct statfs *f) {
+const char *(DescribeStatfs)(char buf[N], int rc, const struct statfs *f) {
   int i = 0;
   char ibuf[21];
   int64_t flags;

libc/intrin/describestdiostate.c

@@ -20,11 +20,7 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/str/str.h"
 
-#ifdef DescribeStdioState
+const char *(DescribeStdioState)(char buf[12], int x) {
-#undef DescribeStdioState
-#endif
-
-const char *DescribeStdioState(char buf[12], int x) {
   if (!x) return "";
   if (x == -1) return "EOF";
   if (x > 0) return _strerrno(x);

libc/intrin/describestringlist.c

@@ -21,15 +21,11 @@
 #include "libc/intrin/describeflags.internal.h"
 #include "libc/intrin/kprintf.h"
 
-#ifdef DescribeStringList
-#undef DescribeStringList
-#endif
-
 #define N 300
 
 #define append(...) o += ksnprintf(buf + o, N - o, __VA_ARGS__)
 
-const char *DescribeStringList(char buf[N], char *const list[]) {
+const char *(DescribeStringList)(char buf[N], char *const list[]) {
   int i, o = 0;
 
   if (!list) return "NULL";

libc/intrin/describetimespec.c

@@ -23,11 +23,8 @@
 #include "libc/intrin/kprintf.h"
 #include "libc/str/str.h"
 
-#ifdef DescribeTimespec
+const char *(DescribeTimespec)(char buf[45], int rc,
-#undef DescribeTimespec
+                               const struct timespec *ts) {
-#endif
-
-const char *DescribeTimespec(char buf[45], int rc, const struct timespec *ts) {
   if (rc == -1) return "n/a";
   if (!ts) return "NULL";
   if ((!IsAsan() && kisdangerous(ts)) ||

libc/intrin/fds_lock.c

@@ -20,19 +20,11 @@
 #include "libc/str/str.h"
 #include "libc/thread/thread.h"
 
-#ifdef __fds_lock
+void(__fds_lock)(void) {
-#undef __fds_lock
-#endif
-
-#ifdef __fds_unlock
-#undef __fds_unlock
-#endif
-
-void __fds_lock(void) {
   pthread_mutex_lock(&__fds_lock_obj);
 }
 
-void __fds_unlock(void) {
+void(__fds_unlock)(void) {
   pthread_mutex_unlock(&__fds_lock_obj);
 }
 

libc/intrin/ffs.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/intrin.h"
 
 /**
  * Finds lowest set bit in word.

libc/intrin/fmax.c

@@ -33,3 +33,7 @@ double fmax(double x, double y) {
   }
   return x < y ? y : x;
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(fmax, fmaxl);
+#endif

libc/intrin/fmaxl.c

@@ -17,6 +17,7 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 /**
  * Returns maximum of two long doubles.
@@ -33,3 +34,5 @@ long double fmaxl(long double x, long double y) {
   }
   return x < y ? y : x;
 }
+
+#endif /* long double is long */

libc/intrin/ftrapv.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/intrin.h"
 #include "libc/limits.h"
 #include "libc/runtime/internal.h"
 

libc/intrin/ldexp.c

@@ -1,68 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
-│vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
-╚──────────────────────────────────────────────────────────────────────────────╝
-│                                                                              │
-│  Musl Libc                                                                   │
-│  Copyright © 2005-2014 Rich Felker, et al.                                   │
-│                                                                              │
-│  Permission is hereby granted, free of charge, to any person obtaining       │
-│  a copy of this software and associated documentation files (the             │
-│  "Software"), to deal in the Software without restriction, including         │
-│  without limitation the rights to use, copy, modify, merge, publish,         │
-│  distribute, sublicense, and/or sell copies of the Software, and to          │
-│  permit persons to whom the Software is furnished to do so, subject to       │
-│  the following conditions:                                                   │
-│                                                                              │
-│  The above copyright notice and this permission notice shall be              │
-│  included in all copies or substantial portions of the Software.             │
-│                                                                              │
-│  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,             │
-│  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF          │
-│  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.      │
-│  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY        │
-│  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,        │
-│  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE           │
-│  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
-│                                                                              │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/math.h"
-
-asm(".ident\t\"\\n\\n\
-Musl libc (MIT License)\\n\
-Copyright 2005-2014 Rich Felker, et. al.\"");
-asm(".include \"libc/disclaimer.inc\"");
-// clang-format off
-
-/**
- * Returns 𝑥 × 2ʸ.
- */
-double ldexp(double x, int n)
-{
-	union {double f; uint64_t i;} u;
-	double_t y = x;
-
-	if (n > 1023) {
-		y *= 0x1p1023;
-		n -= 1023;
-		if (n > 1023) {
-			y *= 0x1p1023;
-			n -= 1023;
-			if (n > 1023)
-				n = 1023;
-		}
-	} else if (n < -1022) {
-		/* make sure final n < -53 to avoid double
-		   rounding in the subnormal range */
-		y *= 0x1p-1022 * 0x1p53;
-		n += 1022 - 53;
-		if (n < -1022) {
-			y *= 0x1p-1022 * 0x1p53;
-			n += 1022 - 53;
-			if (n < -1022)
-				n = -1022;
-		}
-	}
-	u.i = (uint64_t)(0x3ff+n)<<52;
-	x = y * u.f;
-	return x;
-}

libc/intrin/ldexpf.c

@@ -1,66 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
-│vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
-╚──────────────────────────────────────────────────────────────────────────────╝
-│                                                                              │
-│  Musl Libc                                                                   │
-│  Copyright © 2005-2014 Rich Felker, et al.                                   │
-│                                                                              │
-│  Permission is hereby granted, free of charge, to any person obtaining       │
-│  a copy of this software and associated documentation files (the             │
-│  "Software"), to deal in the Software without restriction, including         │
-│  without limitation the rights to use, copy, modify, merge, publish,         │
-│  distribute, sublicense, and/or sell copies of the Software, and to          │
-│  permit persons to whom the Software is furnished to do so, subject to       │
-│  the following conditions:                                                   │
-│                                                                              │
-│  The above copyright notice and this permission notice shall be              │
-│  included in all copies or substantial portions of the Software.             │
-│                                                                              │
-│  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,             │
-│  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF          │
-│  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.      │
-│  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY        │
-│  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,        │
-│  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE           │
-│  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
-│                                                                              │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/math.h"
-
-asm(".ident\t\"\\n\\n\
-Musl libc (MIT License)\\n\
-Copyright 2005-2014 Rich Felker, et. al.\"");
-asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
-
-/**
- * Returns 𝑥 × 2ʸ.
- */
-float ldexpf(float x, int n)
-{
-	union {float f; uint32_t i;} u;
-	float_t y = x;
-
-	if (n > 127) {
-		y *= 0x1p127f;
-		n -= 127;
-		if (n > 127) {
-			y *= 0x1p127f;
-			n -= 127;
-			if (n > 127)
-				n = 127;
-		}
-	} else if (n < -126) {
-		y *= 0x1p-126f * 0x1p24f;
-		n += 126 - 24;
-		if (n < -126) {
-			y *= 0x1p-126f * 0x1p24f;
-			n += 126 - 24;
-			if (n < -126)
-				n = -126;
-		}
-	}
-	u.i = (uint32_t)(0x7f+n)<<23;
-	x = y * u.f;
-	return x;
-}

libc/intrin/ldexpl.c

@@ -1,26 +0,0 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
-│ Copyright 2023 Justine Alexandra Roberts Tunney                              │
-│                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
-│ any purpose with or without fee is hereby granted, provided that the         │
-│ above copyright notice and this permission notice appear in all copies.      │
-│                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
-╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/math.h"
-
-/**
- * Returns 𝑥 × 2ʸ.
- */
-long double ldexpl(long double x, int n) {
-  return scalbnl(x, n);
-}

libc/intrin/memmove.c

@@ -342,7 +342,6 @@ void *memmove(void *dst, const void *src, size_t n) {
   }
 }
 
-asm("memcpy = memmove\n\t"
+__strong_reference(memmove, memcpy);
-    ".globl\tmemcpy");
 
 #endif /* __aarch64__ */

libc/intrin/mmi_lock.c

@@ -20,22 +20,14 @@
 #include "libc/str/str.h"
 #include "libc/thread/thread.h"
 
-#ifdef __mmi_lock
-#undef __mmi_lock
-#endif
-
-#ifdef __mmi_unlock
-#undef __mmi_unlock
-#endif
-
 // this lock currently needs to be (1) recursive and (2) not nsync
 
 extern pthread_mutex_t __mmi_lock_obj;
 
-void __mmi_lock(void) {
+void(__mmi_lock)(void) {
   pthread_mutex_lock(&__mmi_lock_obj);
 }
 
-void __mmi_unlock(void) {
+void(__mmi_unlock)(void) {
   pthread_mutex_unlock(&__mmi_lock_obj);
 }

libc/intrin/onarithmeticoverflow.c

@@ -16,7 +16,6 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/intrin/intrin.h"
 #include "libc/intrin/kprintf.h"
 
 /**

libc/intrin/pthread_spin_destroy.c

@@ -19,16 +19,12 @@
 #include "libc/intrin/atomic.h"
 #include "libc/thread/thread.h"
 
-#ifdef pthread_spin_destroy
-#undef pthread_spin_destroy
-#endif
-
 /**
  * Destroys spin lock.
  *
  * @return 0 on success, or errno on error
  */
-errno_t pthread_spin_destroy(pthread_spinlock_t *spin) {
+errno_t(pthread_spin_destroy)(pthread_spinlock_t *spin) {
   atomic_store_explicit(&spin->_lock, -1, memory_order_relaxed);
   return 0;
 }

libc/intrin/pthread_spin_trylock.c

@@ -21,10 +21,6 @@
 #include "libc/intrin/atomic.h"
 #include "libc/thread/thread.h"
 
-#ifdef pthread_spin_trylock
-#undef pthread_spin_trylock
-#endif
-
 /**
  * Acquires spin lock if available.
  *
@@ -34,7 +30,7 @@
  * @return 0 on success, or errno on error
  * @raise EBUSY if lock is already held
  */
-errno_t pthread_spin_trylock(pthread_spinlock_t *spin) {
+errno_t(pthread_spin_trylock)(pthread_spinlock_t *spin) {
   int x;
   x = atomic_exchange_explicit(&spin->_lock, 1, memory_order_acquire);
   if (!x) return 0;

libc/intrin/pthread_spin_unlock.c

@@ -20,10 +20,6 @@
 #include "libc/intrin/strace.internal.h"
 #include "libc/thread/thread.h"
 
-#ifdef pthread_spin_unlock
-#undef pthread_spin_unlock
-#endif
-
 /**
  * Releases spin lock.
  *
@@ -33,7 +29,7 @@
  * @return 0 on success, or errno on error
  * @see pthread_spin_lock
  */
-errno_t pthread_spin_unlock(pthread_spinlock_t *spin) {
+errno_t(pthread_spin_unlock)(pthread_spinlock_t *spin) {
   LOCKTRACE("pthread_spin_unlock(%t)", spin);
   atomic_store_explicit(&spin->_lock, 0, memory_order_release);
   return 0;

libc/intrin/scalblnl.c

@@ -27,6 +27,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/limits.h"
 #include "libc/math.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
@@ -35,13 +36,11 @@ asm(".include \"libc/disclaimer.inc\"");
 // clang-format off
 
 long double scalblnl(long double x, long n) {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-	return scalbln(x, n);
-#else
 	if (n > INT_MAX)
 		n = INT_MAX;
 	else if (n < INT_MIN)
 		n = INT_MIN;
 	return scalbnl(x, n);
-#endif
 }
+
+#endif /* long double is long */

libc/intrin/scalbn.c

@@ -1,26 +1,74 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
+│vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
+╚──────────────────────────────────────────────────────────────────────────────╝
-│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
 │                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
+│  Musl Libc                                                                   │
-│ any purpose with or without fee is hereby granted, provided that the         │
+│  Copyright © 2005-2014 Rich Felker, et al.                                   │
-│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│  Permission is hereby granted, free of charge, to any person obtaining       │
+│  a copy of this software and associated documentation files (the             │
+│  "Software"), to deal in the Software without restriction, including         │
+│  without limitation the rights to use, copy, modify, merge, publish,         │
+│  distribute, sublicense, and/or sell copies of the Software, and to          │
+│  permit persons to whom the Software is furnished to do so, subject to       │
+│  the following conditions:                                                   │
+│                                                                              │
+│  The above copyright notice and this permission notice shall be              │
+│  included in all copies or substantial portions of the Software.             │
+│                                                                              │
+│  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,             │
+│  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF          │
+│  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.      │
+│  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY        │
+│  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,        │
+│  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE           │
+│  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
 
+asm(".ident\t\"\\n\\n\
+Musl libc (MIT License)\\n\
+Copyright 2005-2014 Rich Felker, et. al.\"");
+asm(".include \"libc/disclaimer.inc\"");
+// clang-format off
+
 /**
  * Returns 𝑥 × 2ʸ.
  */
-double scalbn(double x, int n) {
+double scalbn(double x, int n)
-  return ldexp(x, n);
+{
+	union {double f; uint64_t i;} u;
+	double_t y = x;
+
+	if (n > 1023) {
+		y *= 0x1p1023;
+		n -= 1023;
+		if (n > 1023) {
+			y *= 0x1p1023;
+			n -= 1023;
+			if (n > 1023)
+				n = 1023;
+		}
+	} else if (n < -1022) {
+		/* make sure final n < -53 to avoid double
+		   rounding in the subnormal range */
+		y *= 0x1p-1022 * 0x1p53;
+		n += 1022 - 53;
+		if (n < -1022) {
+			y *= 0x1p-1022 * 0x1p53;
+			n += 1022 - 53;
+			if (n < -1022)
+				n = -1022;
+		}
+	}
+	u.i = (uint64_t)(0x3ff+n)<<52;
+	x = y * u.f;
+	return x;
 }
+
+__strong_reference(scalbn, ldexp);
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(scalbn, ldexpl);
+__strong_reference(scalbn, scalbnl);
+#endif

libc/intrin/scalbnf.c

@@ -1,26 +1,68 @@
-/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
+/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
-│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
+│vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
-╞══════════════════════════════════════════════════════════════════════════════╡
+╚──────────────────────────────────────────────────────────────────────────────╝
-│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
 │                                                                              │
-│ Permission to use, copy, modify, and/or distribute this software for         │
+│  Musl Libc                                                                   │
-│ any purpose with or without fee is hereby granted, provided that the         │
+│  Copyright © 2005-2014 Rich Felker, et al.                                   │
-│ above copyright notice and this permission notice appear in all copies.      │
+│                                                                              │
+│  Permission is hereby granted, free of charge, to any person obtaining       │
+│  a copy of this software and associated documentation files (the             │
+│  "Software"), to deal in the Software without restriction, including         │
+│  without limitation the rights to use, copy, modify, merge, publish,         │
+│  distribute, sublicense, and/or sell copies of the Software, and to          │
+│  permit persons to whom the Software is furnished to do so, subject to       │
+│  the following conditions:                                                   │
+│                                                                              │
+│  The above copyright notice and this permission notice shall be              │
+│  included in all copies or substantial portions of the Software.             │
+│                                                                              │
+│  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,             │
+│  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF          │
+│  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.      │
+│  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY        │
+│  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,        │
+│  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE           │
+│  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
-│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
-│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
-│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
-│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
-│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
-│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
-│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
-│ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
 
+asm(".ident\t\"\\n\\n\
+Musl libc (MIT License)\\n\
+Copyright 2005-2014 Rich Felker, et. al.\"");
+asm(".include \"libc/disclaimer.inc\"");
+// clang-format off
+
 /**
  * Returns 𝑥 × 2ʸ.
  */
-float scalbnf(float x, int n) {
+float scalbnf(float x, int n)
-  return ldexpf(x, n);
+{
+	union {float f; uint32_t i;} u;
+	float_t y = x;
+
+	if (n > 127) {
+		y *= 0x1p127f;
+		n -= 127;
+		if (n > 127) {
+			y *= 0x1p127f;
+			n -= 127;
+			if (n > 127)
+				n = 127;
+		}
+	} else if (n < -126) {
+		y *= 0x1p-126f * 0x1p24f;
+		n += 126 - 24;
+		if (n < -126) {
+			y *= 0x1p-126f * 0x1p24f;
+			n += 126 - 24;
+			if (n < -126)
+				n = -126;
+		}
+	}
+	u.i = (uint32_t)(0x7f+n)<<23;
+	x = y * u.f;
+	return x;
 }
+
+__strong_reference(scalbnf, ldexpf);

libc/intrin/scalbnl.c

@@ -27,6 +27,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/math.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
@@ -38,9 +39,6 @@ asm(".include \"libc/disclaimer.inc\"");
  * Returns 𝑥 × 2ʸ.
  */
 long double scalbnl(long double x, int n) {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-	return scalbn(x, n);
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 	union ldshape u;
 	if (n > 16383) {
 		x *= 0x1p16383L;
@@ -64,7 +62,8 @@ long double scalbnl(long double x, int n) {
 	u.f = 1.0;
 	u.i.se = 0x3fff + n;
 	return x * u.f;
-#else
-#error "architecture unsupported"
-#endif
 }
+
+__strong_reference(scalbnl, ldexpl);
+
+#endif /* long double is long */

libc/intrin/sched_yield.S

@@ -70,15 +70,15 @@ sched_yield:
 //	 a signal." ──Quoth IEEE 1003.1-2017 §functions/select
 //
 //	On other platforms, sched_yield() takes no arguments.
-	push	$0				# timeout.tv_usec
+	push	$0				// timeout.tv_usec
-	push	$0				# timeout.tv_sec
+	push	$0				// timeout.tv_sec
-	xor	%edi,%edi			# nfds
+	xor	%edi,%edi			// nfds
-	xor	%esi,%esi			# readfds
+	xor	%esi,%esi			// readfds
-	xor	%edx,%edx			# writefds
+	xor	%edx,%edx			// writefds
-	xor	%r10d,%r10d			# exceptfds
+	xor	%r10d,%r10d			// exceptfds
-	mov	%rsp,%r8			# timeout
+	mov	%rsp,%r8			// timeout
-	mov	__NR_sched_yield,%eax		# ordinal
+	mov	__NR_sched_yield,%eax		// ordinal
-	clc					# linux
+	clc					// linux
 	syscall
 //	It should not be possible for this to fail so we don't
 //	bother going through the errno ritual. If this somehow

libc/intrin/strlen.c

@@ -38,7 +38,7 @@ noasan size_t strlen(const char *s) {
   m = __builtin_ia32_pmovmskb128(*p == z) >> k << k;
   while (!m) m = __builtin_ia32_pmovmskb128(*++p == z);
   return (const char *)p + __builtin_ctzl(m) - s;
-#elif defined(__GNUC__) || defined(__llvm__)
+#else
 #define ONES ((word)-1 / 255)
 #define BANE (ONES * (255 / 2 + 1))
   typedef unsigned long mayalias word;
@@ -56,10 +56,6 @@ noasan size_t strlen(const char *s) {
     w = ~w & (w - ONES) & BANE;
   }
   return (const char *)p + (__builtin_ctzl(w) >> 3) - s;
-#else
-  size_t n = 0;
-  while (*s++) ++n;
-  return n;
 #endif
 }
 

libc/intrin/syscall.S

@@ -56,10 +56,10 @@ __syscall__:
 
 	.bss
 	.balign	8
-.Lrcx:	.quad	0			# clobbered by syscall
+.Lrcx:	.quad	0			// clobbered by syscall
-.Lrdi:	.quad	0			# just in case
+.Lrdi:	.quad	0			// just in case
-.Lrsi:	.quad	0			# just in case
+.Lrsi:	.quad	0			// just in case
-.Lr8:	.quad	0			# freebsd bug?
+.Lr8:	.quad	0			// freebsd bug?
-.Lr9:	.quad	0			# just in case
+.Lr9:	.quad	0			// just in case
-.Lr10:	.quad	0			# just in case
+.Lr10:	.quad	0			// just in case
-.Lr11:	.quad	0			# clobbered by syscall
+.Lr11:	.quad	0			// clobbered by syscall

libc/intrin/tpenc2.c

@@ -17,7 +17,6 @@
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/intrin/bsr.h"
-#include "libc/intrin/intrin.h"
 #ifndef __x86_64__
 
 static const uint16_t kTpEnc[32 - 7] = {

libc/nexgen32e/gc.S

@@ -33,7 +33,11 @@
 //	@param	rax,rdx,xmm0,xmm1,st0,st1 is return value
 //	@see	test/libc/runtime/gc_test.c
 //	@threadsafe
-__gc:	mov	%fs:0,%rcx			// __get_tls()
+__gc:
+
+#ifdef __x86_64__
+
+	mov	%fs:0,%rcx			// __get_tls()
 	mov	0x18(%rcx),%rcx			// tls::garbages
 	decl	(%rcx)				// ++g->i
 	mov	(%rcx),%r8d			// r8 = g->i
@@ -58,4 +62,22 @@ __gc:	mov	%fs:0,%rcx			// __get_tls()
 	ret
 9:	ud2
 	nop
+
+#elif defined(__aarch64__)
+
+	stp	x29,x30,[sp,-80]!
+	mov	x29,sp
+	stp	x0,x1,[sp,16]
+	stp	x2,x3,[sp,32]
+	stp	x4,x5,[sp,48]
+	stp	x6,x7,[sp,64]
+//	todo jart
+	ldp	x0,x1,[sp,16]
+	ldp	x2,x3,[sp,32]
+	ldp	x4,x5,[sp,48]
+	ldp	x6,x7,[sp,64]
+	ldp	x29,x30,[sp],80
+
+#endif /* __x86_64__ */
+
 	.endfn	__gc,globl,hidden

libc/testlib/benchrunner.c

@@ -18,7 +18,6 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "ape/sections.internal.h"
 #include "libc/calls/calls.h"
-#include "libc/calls/kntprioritycombos.internal.h"
 #include "libc/errno.h"
 #include "libc/log/log.h"
 #include "libc/nexgen32e/x86feature.h"

libc/testlib/formatint.c

@@ -34,5 +34,5 @@ dontdiscard char *testlib_formatint(intptr_t x) {
   }
   *p++ = ')';
   *p++ = '\0';
-  return str;
+  return strdup(str);
 }

libc/tinymath/asin.c

@@ -31,7 +31,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
 /* origin: FreeBSD /usr/src/lib/msun/src/e_asin.c */
 /*
@@ -147,3 +147,7 @@ double asin(double x)
 	}
 	return ng ? -x : x;
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(asin, asinl);
+#endif

libc/tinymath/asinl.c

@@ -29,6 +29,7 @@
 #include "libc/tinymath/internal.h"
 #include "libc/tinymath/invtrigl.internal.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 fdlibm (fdlibm license)\\n\
@@ -55,16 +56,6 @@ asm(".include \"libc/disclaimer.inc\"");
  * Converted to long double by David Schultz <das@FreeBSD.ORG>.
  */
 
-/**
- * Returns arc sine of 𝑥.
- *
- * @define atan2(𝑥,sqrt((1-𝑥)*(1+𝑥)))
- * @domain -1 ≤ 𝑥 ≤ 1
- */
-long double asinl(long double x) {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-	return asin(x);
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 #if LDBL_MANT_DIG == 64
 #define CLOSETO1(u) (u.i.m>>56 >= 0xf7)
 #define CLEARBOTTOM(u) (u.i.m &= -1ULL << 32)
@@ -73,6 +64,14 @@ long double asinl(long double x) {
 #define CLEARBOTTOM(u) (u.i.lo = 0)
 #endif
 
+/**
+ * Returns arc sine of 𝑥.
+ *
+ * @define atan2(𝑥,sqrt((1-𝑥)*(1+𝑥)))
+ * @domain -1 ≤ 𝑥 ≤ 1
+ */
+long double asinl(long double x)
+{
 	union ldshape u = {x};
 	long double z, r, s;
 	uint16_t e = u.i.se & 0x7fff;
@@ -108,7 +107,6 @@ long double asinl(long double x) {
 	}
 	return sign ? -x : x;
 
-#else
-#error "architecture unsupported"
-#endif
 }
+
+#endif /* long double is long */

libc/tinymath/atan.c

@@ -154,3 +154,7 @@ double atan(double x)
 	z = atanhi[id] - (x*(s1+s2) - atanlo[id] - x);
 	return sign ? -z : z;
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(atan, atanl);
+#endif

libc/tinymath/atan2.c

@@ -153,3 +153,7 @@ atan2(double y, double x)
 	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
 	}
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(atan2, atan2l);
+#endif

libc/tinymath/atan2l.c

@@ -29,6 +29,7 @@
 #include "libc/tinymath/internal.h"
 #include "libc/tinymath/invtrigl.internal.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 fdlibm (fdlibm license)\\n\
@@ -69,11 +70,7 @@ long double atan2l(long double y, long double x)
 	    : "st(1)");
 	return x;
 
-#elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+#else
-
-	return atan2(y, x);
-
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 
 	union ldshape ux, uy;
 	long double z;
@@ -130,7 +127,7 @@ long double atan2l(long double y, long double x)
 		return (z-2*pio2_lo)-2*pio2_hi; /* atan(-,-) */
 	}
 
-#else
-#error "architecture unsupported"
 #endif
 }
+
+#endif /* long double is long */

libc/tinymath/atanh.c

@@ -32,7 +32,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
 /**
  * Returns inverse hyperbolic tangent of 𝑥.
@@ -64,3 +64,7 @@ double atanh(double x)
 	}
 	return s ? -y : y;
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(atanh, atanhl);
+#endif

libc/tinymath/atanhl.c

@@ -28,19 +28,13 @@
 #include "libc/math.h"
 #include "libc/tinymath/feval.internal.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
-
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double atanhl(long double x)
-{
-	return atanh(x);
-}
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 
 /**
  * Returns inverse hyperbolic tangent of 𝑥.
@@ -72,6 +66,4 @@ long double atanhl(long double x)
 	return s ? -x : x;
 }
 
-#else
+#endif /* long double is long */
-#error "architecture unsupported"
-#endif

libc/tinymath/atanl.c

@@ -28,6 +28,7 @@
 #include "libc/math.h"
 #include "libc/tinymath/internal.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 fdlibm (fdlibm license)\\n\
@@ -54,13 +55,6 @@ asm(".include \"libc/disclaimer.inc\"");
  * Converted to long double by David Schultz <das@FreeBSD.ORG>.
  */
 
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double atanl(long double x)
-{
-	return atan(x);
-}
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
-
 #if LDBL_MANT_DIG == 64
 #define EXPMAN(u) ((u.i.se & 0x7fff)<<8 | (u.i.m>>55 & 0xff))
 
@@ -231,6 +225,4 @@ long double atanl(long double x)
 	return sign ? -z : z;
 }
 
-#else
+#endif /* long double is long */
-#error "architecture unsupported"
-#endif

libc/tinymath/cabs.c

@@ -25,3 +25,7 @@
 double cabs(double complex z) {
   return hypot(creal(z), cimag(z));
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(cabs, cabsl);
+#endif

libc/tinymath/cabsl.c

@@ -18,14 +18,13 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/complex.h"
 #include "libc/math.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 /**
  * Returns absolute value of complex number.
  */
 long double cabsl(long double complex z) {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-  return cabs(z);
-#else
   return hypotl(creall(z), cimagl(z));
-#endif
 }
+
+#endif /* long double is long */

libc/tinymath/carg.c

@@ -22,3 +22,7 @@
 double carg(double complex z) {
   return atan2(cimag(z), creal(z));
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(carg, cargl);
+#endif

libc/tinymath/cargl.c

@@ -18,11 +18,10 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/complex.h"
 #include "libc/math.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 long double cargl(long double complex z) {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-  return carg(z);
-#else
   return atan2l(cimagl(z), creall(z));
-#endif
 }
+
+#endif /* long double is long */

libc/tinymath/casin.c

@@ -33,9 +33,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
-
-
 
 // FIXME
 
@@ -52,3 +50,7 @@ double complex casin(double complex z)
 	double complex r = clog(CMPLX(-y, x) + csqrt(w));
 	return CMPLX(cimag(r), -creal(r));
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(casin, casinl);
+#endif

libc/tinymath/casinl.c

@@ -26,18 +26,16 @@
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/complex.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
-long double complex casinl(long double complex z) {
+long double complex casinl(long double complex z)
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+{
-	return casin(z);
-#else
-// FIXME
 	long double complex w;
 	long double x, y;
 	x = creall(z);
@@ -45,5 +43,6 @@ long double complex casinl(long double complex z) {
 	w = CMPLXL(1.0 - (x - y)*(x + y), -2.0*x*y);
 	long double complex r = clogl(CMPLXL(-y, x) + csqrtl(w));
 	return CMPLXL(cimagl(r), -creall(r));
-#endif
 }
+
+#endif /* long double is long */

libc/tinymath/catan.c

@@ -36,7 +36,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
 
 /* origin: OpenBSD /usr/src/lib/libm/src/s_catan.c */

libc/tinymath/ccos.c

@@ -1,45 +1,24 @@
-/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
+/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
-│vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
+│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
-╚──────────────────────────────────────────────────────────────────────────────╝
+╞══════════════════════════════════════════════════════════════════════════════╡
+│ Copyright 2023 Justine Alexandra Roberts Tunney                              │
 │                                                                              │
-│  Musl Libc                                                                   │
+│ Permission to use, copy, modify, and/or distribute this software for         │
-│  Copyright © 2005-2014 Rich Felker, et al.                                   │
+│ any purpose with or without fee is hereby granted, provided that the         │
-│                                                                              │
+│ above copyright notice and this permission notice appear in all copies.      │
-│  Permission is hereby granted, free of charge, to any person obtaining       │
-│  a copy of this software and associated documentation files (the             │
-│  "Software"), to deal in the Software without restriction, including         │
-│  without limitation the rights to use, copy, modify, merge, publish,         │
-│  distribute, sublicense, and/or sell copies of the Software, and to          │
-│  permit persons to whom the Software is furnished to do so, subject to       │
-│  the following conditions:                                                   │
-│                                                                              │
-│  The above copyright notice and this permission notice shall be              │
-│  included in all copies or substantial portions of the Software.             │
-│                                                                              │
-│  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,             │
-│  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF          │
-│  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.      │
-│  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY        │
-│  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,        │
-│  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE           │
-│  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
+│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
+│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
+│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
+│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
+│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
+│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
+│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
+│ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/complex.h"
 #include "libc/math.h"
-#include "libc/tinymath/complex.internal.h"
 
-asm(".ident\t\"\\n\\n\
+double complex ccos(double complex z) {
-Musl libc (MIT License)\\n\
-Copyright 2005-2014 Rich Felker, et. al.\"");
-asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
-
-
-
-/* cos(z) = cosh(i z) */
-
-double complex ccos(double complex z)
-{
   return ccosh(CMPLX(-cimag(z), creal(z)));
 }

libc/tinymath/cos.c

@@ -36,7 +36,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
 /* origin: FreeBSD /usr/src/lib/msun/src/s_cos.c */
 /*
@@ -120,3 +120,7 @@ double cos(double x)
 		return  __sin(y[0], y[1], 1);
 	}
 }
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+__strong_reference(cos, cosl);
+#endif

libc/tinymath/cosh.c

@@ -33,7 +33,7 @@ asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
 Copyright 2005-2014 Rich Felker, et. al.\"");
 asm(".include \"libc/disclaimer.inc\"");
-/* clang-format off */
+// clang-format off
 
 /**
  * Returns hyperbolic cosine of 𝑥.

libc/tinymath/cosl.c

@@ -29,6 +29,7 @@
 #include "libc/math.h"
 #include "libc/tinymath/kernel.internal.h"
 #include "libc/tinymath/ldshape.internal.h"
+#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\
@@ -41,9 +42,6 @@ asm(".include \"libc/disclaimer.inc\"");
  */
 long double cosl(long double x)
 {
-#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-	return cos(x);
-#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 	union ldshape u = {x};
 	unsigned n;
 	long double y[2], hi, lo;
@@ -72,7 +70,6 @@ long double cosl(long double x)
 	default:
 		return __sinl(hi, lo, 1);
 	}
-#else
-#error "architecture unsupported"
-#endif
 }
+
+#endif /* long double is long */