@@ -85,7 +85,8 @@ $(call set-vpath, $(SRC_PATH)/linux-user:$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR
QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user -I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)
obj-y = main.o syscall.o strace.o mmap.o signal.o thunk.o \
- elfload.o linuxload.o uaccess.o gdbstub.o cpu-uname.o
+ elfload.o linuxload.o uaccess.o gdbstub.o cpu-uname.o \
+ qemu-malloc.o
obj-$(TARGET_HAS_BFLT) += flatload.o
@@ -77,58 +77,6 @@ void mmap_unlock(void)
}
#endif
-void *qemu_vmalloc(size_t size)
-{
- void *p;
-
- mmap_lock();
- /* Use map and mark the pages as used. */
- p = mmap(NULL, size, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- mmap_unlock();
- return p;
-}
-
-void *qemu_malloc(size_t size)
-{
- char * p;
- size += 16;
- p = qemu_vmalloc(size);
- *(size_t *)p = size;
- return p + 16;
-}
-
-/* We use map, which is always zero initialized. */
-void * qemu_mallocz(size_t size)
-{
- return qemu_malloc(size);
-}
-
-void qemu_free(void *ptr)
-{
- /* FIXME: We should unmark the reserved pages here. However this gets
- complicated when one target page spans multiple host pages, so we
- don't bother. */
- size_t *p;
- p = (size_t *)((char *)ptr - 16);
- munmap(p, *p);
-}
-
-void *qemu_realloc(void *ptr, size_t size)
-{
- size_t old_size, copy;
- void *new_ptr;
-
- if (!ptr)
- return qemu_malloc(size);
- old_size = *(size_t *)((char *)ptr - 16);
- copy = old_size < size ? old_size : size;
- new_ptr = qemu_malloc(size);
- memcpy(new_ptr, ptr, copy);
- qemu_free(ptr);
- return new_ptr;
-}
-
/* NOTE: all the constants are the HOST ones, but addresses are target. */
int target_mprotect(abi_ulong start, abi_ulong len, int prot)
{
Since we're no longer setting PAGE_RESERVED, there's no need to implement qemu_malloc via mmap. Signed-off-by: Richard Henderson <rth@twiddle.net> --- Makefile.target | 3 ++- linux-user/mmap.c | 52 ---------------------------------------------------- 2 files changed, 2 insertions(+), 53 deletions(-)