[compiler-rt] [asan] Define mallopt and mallinfo for Fuchsia asan runtime (PR #129105)

[via llvm-commits]

https://github.com/PiJoules created https://github.com/llvm/llvm-project/pull/129105

None

>From ff6c945aeba0b0e9eef64fded2aeeaa2f8240ef6 Mon Sep 17 00:00:00 2001
From: Leonard Chan <leonardchan at google.com>
Date: Thu, 27 Feb 2025 11:20:53 -0800
Subject: [PATCH] [asan] Define mallopt and mallinfo for Fuchsia asan runtime

---
 .../lib/sanitizer_common/sanitizer_platform_interceptors.h   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
index febd233bb1e3c..85cd95c30de2a 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -129,8 +129,10 @@ SANITIZER_WEAK_IMPORT void *aligned_alloc(__sanitizer::usize __alignment,
 
 #if SANITIZER_FUCHSIA
 #define SI_NOT_FUCHSIA 0
+#  define SI_FUCHSIA 1
 #else
 #define SI_NOT_FUCHSIA 1
+#  define SI_FUCHSIA 0
 #endif
 
 #if SANITIZER_SOLARIS
@@ -521,7 +523,8 @@ SANITIZER_WEAK_IMPORT void *aligned_alloc(__sanitizer::usize __alignment,
 
 #define SANITIZER_INTERCEPT_MMAP SI_POSIX
 #define SANITIZER_INTERCEPT_MMAP64 SI_GLIBC || SI_SOLARIS
-#define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO (SI_GLIBC || SI_ANDROID)
+#define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO \
+  (SI_GLIBC || SI_ANDROID || SI_FUCHSIA)
 #define SANITIZER_INTERCEPT_MEMALIGN (!SI_FREEBSD && !SI_MAC && !SI_NETBSD)
 #define SANITIZER_INTERCEPT___LIBC_MEMALIGN SI_GLIBC
 #define SANITIZER_INTERCEPT_PVALLOC (SI_GLIBC || SI_ANDROID)