[sanitizer_common] Split FREXPF/FREXPL interceptor defines (llvm#138624)

Will allow other platforms, such as AIX, to opt out of these
interceptors individually.

Author: jakeegan

compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc

@@ -953,7 +953,7 @@ INTERCEPTOR(double, frexp, double x, int *exp) {
 #define INIT_FREXP
 #endif  // SANITIZER_INTERCEPT_FREXP
 
-#if SANITIZER_INTERCEPT_FREXPF_FREXPL
+#if SANITIZER_INTERCEPT_FREXPF
 INTERCEPTOR(float, frexpf, float x, int *exp) {
   void *ctx;
   COMMON_INTERCEPTOR_ENTER(ctx, frexpf, x, exp);
@@ -963,6 +963,12 @@ INTERCEPTOR(float, frexpf, float x, int *exp) {
   return res;
 }
 
+#  define INIT_FREXPF COMMON_INTERCEPT_FUNCTION(frexpf);
+#else
+#  define INIT_FREXPF
+#endif
+
+#if SANITIZER_INTERCEPT_FREXPL
 INTERCEPTOR(long double, frexpl, long double x, int *exp) {
   void *ctx;
   COMMON_INTERCEPTOR_ENTER(ctx, frexpl, x, exp);
@@ -972,12 +978,10 @@ INTERCEPTOR(long double, frexpl, long double x, int *exp) {
   return res;
 }
 
-#define INIT_FREXPF_FREXPL           \
-  COMMON_INTERCEPT_FUNCTION(frexpf); \
-  COMMON_INTERCEPT_FUNCTION_LDBL(frexpl)
+#  define INIT_FREXPL COMMON_INTERCEPT_FUNCTION_LDBL(frexpl)
 #else
-#define INIT_FREXPF_FREXPL
-#endif  // SANITIZER_INTERCEPT_FREXPF_FREXPL
+#  define INIT_FREXPL
+#endif
 
 #if SI_POSIX
 static void write_iovec(void *ctx, struct __sanitizer_iovec *iovec,
@@ -10411,7 +10415,8 @@ static void InitializeCommonInterceptors() {
   INIT_ISOC99_PRINTF;
   INIT_SETPROCTITLE;
   INIT_FREXP;
-  INIT_FREXPF_FREXPL;
+  INIT_FREXPF;
+  INIT_FREXPL;
   INIT_GETPWNAM_AND_FRIENDS;
   INIT_GETPWNAM_R_AND_FRIENDS;
   INIT_GETPWENT;

compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h

@@ -244,7 +244,8 @@ SANITIZER_WEAK_IMPORT void *aligned_alloc(__sanitizer::usize __alignment,
   (SANITIZER_INTERCEPT_PRINTF && SI_GLIBC)
 
 #define SANITIZER_INTERCEPT_FREXP SI_NOT_FUCHSIA
-#define SANITIZER_INTERCEPT_FREXPF_FREXPL SI_POSIX
+#define SANITIZER_INTERCEPT_FREXPF SI_POSIX
+#define SANITIZER_INTERCEPT_FREXPL SI_POSIX
 
 #define SANITIZER_INTERCEPT_GETPWNAM_AND_FRIENDS SI_POSIX
 #define SANITIZER_INTERCEPT_GETPWNAM_R_AND_FRIENDS \