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authorptitSeb <sebastien.chev@gmail.com>2025-06-10 10:41:04 +0200
committerptitSeb <sebastien.chev@gmail.com>2025-06-10 10:41:04 +0200
commit64080cea819ab75585570679c5fa91698ee7c218 (patch)
tree7cd57cb098fc80eb4a32a938ccaf4ef270411dbe /src
parentab5c42f0dcc90d1452103bd2dd763a095c8f0144 (diff)
downloadbox64-64080cea819ab75585570679c5fa91698ee7c218.tar.gz
box64-64080cea819ab75585570679c5fa91698ee7c218.zip
[DYNAREC] Improved mmap'd file tracking
Diffstat (limited to 'src')
-rw-r--r--src/tools/env.c12
-rw-r--r--src/wrapped/wrappedlibc.c2
2 files changed, 11 insertions, 3 deletions
diff --git a/src/tools/env.c b/src/tools/env.c
index 2a8c40a7..9d84fd5c 100644
--- a/src/tools/env.c
+++ b/src/tools/env.c
@@ -698,8 +698,16 @@ void RecordEnvMappings(uintptr_t addr, size_t length, int fd)
         mapping = kh_value(mapping_entries, k);
 
     if(mapping && mapping->start>addr) { 
-        dynarec_log(LOG_INFO, "Mapping %s (%s) adjusted start: %p from %p\n", fullname, lowercase_filename, (void*)addr, (void*)(mapping->start)); 
-        mapping->start = addr;
+        dynarec_log(LOG_INFO, "Ignoring Mapping %s (%s) adjusted start: %p from %p\n", fullname, lowercase_filename, (void*)addr, (void*)(mapping->start)); 
+        box_free(lowercase_filename);
+        return;
+    }
+    if(BOX64ENV(dynarec_log)) {
+        uintptr_t end; uintptr_t val;
+        if(rb_get_end_64(envmap, addr, &val, &end))
+            if(end<addr+length) {
+                dynarec_log(LOG_INFO, "Enlarging Mapping %s (%s) %p-%p from %p\n", fullname, lowercase_filename, (void*)(mapping->start), (void*)(addr+length), (void*)end);
+            }
     }
     rb_set_64(envmap, addr, addr + length, (uint64_t)mapping);
     if(mapping->env) {
diff --git a/src/wrapped/wrappedlibc.c b/src/wrapped/wrappedlibc.c
index a0e8361f..515a9b51 100644
--- a/src/wrapped/wrappedlibc.c
+++ b/src/wrapped/wrappedlibc.c
@@ -3056,7 +3056,7 @@ EXPORT void* my_mmap64(x64emu_t* emu, void *addr, size_t length, int prot, int f
             }
         }
         // hack to capture full size of the mmap done by wine
-        if(emu && (fd==-1) && (flags==(MAP_PRIVATE|MAP_ANON))) {
+        if(emu && (fd==-1) && (flags&(MAP_PRIVATE|MAP_ANON))==(MAP_PRIVATE|MAP_ANON)) {
             last_mmap_addr[last_mmap_idx] = ret;
             last_mmap_len[last_mmap_idx] = length;
         } else {