From 49dfbee2119ce52600f7acbf61af690d6c9ef16c Mon Sep 17 00:00:00 2001 From: ptitSeb Date: Fri, 5 May 2023 13:49:06 +0200 Subject: Improved handling of x86_64 47bits memory (should help #763) --- src/wrapped/wrappedlibc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/wrapped') diff --git a/src/wrapped/wrappedlibc.c b/src/wrapped/wrappedlibc.c index cc68c216..3f4e7a09 100755 --- a/src/wrapped/wrappedlibc.c +++ b/src/wrapped/wrappedlibc.c @@ -2590,7 +2590,7 @@ EXPORT void* my_mremap(x64emu_t* emu, void* old_addr, size_t old_size, size_t ne freeProtection((uintptr_t)ret+new_size, old_size-new_size); #ifdef DYNAREC if(box64_dynarec) - cleanDBFromAddressRange((uintptr_t)ret+new_size, new_size-old_size, 1); + cleanDBFromAddressRange((uintptr_t)ret+new_size, old_size-new_size, 1); #endif } else if(!old_size) { setProtection((uintptr_t)ret, new_size, prot); @@ -2644,14 +2644,14 @@ EXPORT int my_mprotect(x64emu_t* emu, void *addr, unsigned long len, int prot) prot|=PROT_READ; // PROT_READ is implicit with PROT_WRITE on x86_64 int ret = mprotect(addr, len, prot); #ifdef DYNAREC - if(box64_dynarec && !ret) { + if(box64_dynarec && !ret && len) { if(prot& PROT_EXEC) addDBFromAddressRange((uintptr_t)addr, len); else cleanDBFromAddressRange((uintptr_t)addr, len, 0); } #endif - if(!ret) + if(!ret && len) updateProtection((uintptr_t)addr, len, prot); return ret; } -- cgit 1.4.1