dlmalloc: expose malloc_inspect_all

dlmalloc/src/dlmalloc.c

@@ -64,6 +64,8 @@ static size_t dlmalloc_usable_size(void*);
 
 #define MORECORE_CONTIGUOUS 0
 
+#define MALLOC_INSPECT_ALL 1
+
 // Include the upstream dlmalloc's malloc.c.
 #include "malloc.c"
 
@@ -97,6 +99,11 @@ size_t malloc_usable_size(void *ptr) {
     return dlmalloc_usable_size(ptr);
 }
 
+void malloc_inspect_all(void (*handler)(void *, void *, size_t, void *),
+                        void *arg) {
+  dlmalloc_inspect_all(handler, arg);
+}
+
 // Define these to satisfy musl references.
 void *__libc_malloc(size_t) __attribute__((alias("malloc")));
 void __libc_free(void *) __attribute__((alias("free")));

expected/wasm32-wasip1-threads/defined-symbols.txt

@@ -911,6 +911,7 @@ lsearch
 lseek
 lstat
 malloc
+malloc_inspect_all
 malloc_usable_size
 mblen
 mbrlen

expected/wasm32-wasip1/defined-symbols.txt

@@ -875,6 +875,7 @@ lsearch
 lseek
 lstat
 malloc
+malloc_inspect_all
 malloc_usable_size
 mblen
 mbrlen

expected/wasm32-wasip2/defined-symbols.txt

@@ -994,6 +994,7 @@ lsearch
 lseek
 lstat
 malloc
+malloc_inspect_all
 malloc_usable_size
 mblen
 mbrlen