Use memcpy() instead of mmap() to keep modifyed code (e.g. gdb breakpoints)

diff --git a/ext/opcache/ZendAccelerator.c b/ext/opcache/ZendAccelerator.c
index 2c3d9a4d7381b0203ab83fbc46c83806a5192e7f..dd82371387c3383e681d942bf7407c4af6a38d34 100644 (file)
--- a/ext/opcache/ZendAccelerator.c
+++ b/ext/opcache/ZendAccelerator.c
@@ -2499,20 +2499,15 @@ static int accel_remap_huge_pages(void *start, size_t size, const char *name, si
 {
        void *ret = MAP_FAILED;
        void *mem;
-       int fd;
 
-       fd = open(name, O_RDONLY);
-       if (fd < 0) {
-               return -1;
-       }
        mem = mmap(NULL, size,
-               PROT_READ,
-               MAP_PRIVATE | MAP_FILE | MAP_POPULATE,
-               fd, offset);
+               PROT_READ | PROT_WRITE,
+               MAP_PRIVATE | MAP_ANONYMOUS,
+               -1, 0);
        if (mem == MAP_FAILED) {
-               close(fd);
                return -1;
        }
+       memcpy(mem, start, size);
 
 #ifdef MAP_HUGETLB
        ret = mmap(start, size,
@@ -2534,7 +2529,6 @@ static int accel_remap_huge_pages(void *start, size_t size, const char *name, si
                mprotect(start, size, PROT_READ | PROT_EXEC);
        }
        munmap(mem, size);
-       close(fd);
 
        return (ret == start) ? 0 : -1;
 }