Files
loongoffice/external/python3/ubsan.patch.0
Stephan Bergmann 9b92834fa4 external/python3: Work around -fsanitize=alignment
Change-Id: I26b927345594368f426ae89bfd5b645561d44c10
2016-12-16 07:46:40 +01:00

69 lines
2.5 KiB
Plaintext

--- Modules/_ctypes/_ctypes.c
+++ Modules/_ctypes/_ctypes.c
@@ -1358,8 +1358,10 @@
goto error;
}
stgdict->shape[0] = length;
- memmove(&stgdict->shape[1], itemdict->shape,
- sizeof(Py_ssize_t) * (stgdict->ndim - 1));
+ if (itemdict->shape) {
+ memmove(&stgdict->shape[1], itemdict->shape,
+ sizeof(Py_ssize_t) * (stgdict->ndim - 1));
+ }
itemsize = itemdict->size;
if (length * itemsize < 0) {
--- Modules/_ctypes/libffi/src/x86/ffi64.c
+++ Modules/_ctypes/libffi/src/x86/ffi64.c
@@ -548,11 +548,15 @@
tramp = (volatile unsigned short *) &closure->tramp[0];
tramp[0] = 0xbb49; /* mov <code>, %r11 */
- *((unsigned long long * volatile) &tramp[1])
- = (unsigned long) ffi_closure_unix64;
+ tramp[1] = (unsigned long) ffi_closure_unix64;
+ tramp[2] = ((unsigned long) ffi_closure_unix64) >> 16;
+ tramp[3] = ((unsigned long) ffi_closure_unix64) >> 32;
+ tramp[4] = ((unsigned long) ffi_closure_unix64) >> 48;
tramp[5] = 0xba49; /* mov <data>, %r10 */
- *((unsigned long long * volatile) &tramp[6])
- = (unsigned long) codeloc;
+ tramp[6] = (unsigned long) codeloc;
+ tramp[7] = ((unsigned long) codeloc) >> 16;
+ tramp[8] = ((unsigned long) codeloc) >> 32;
+ tramp[9] = ((unsigned long) codeloc) >> 48;
/* Set the carry bit iff the function uses any sse registers.
This is clc or stc, together with the first byte of the jmp. */
--- Modules/_ctypes/libffi_osx/x86/x86-ffi64.c
+++ Modules/_ctypes/libffi_osx/x86/x86-ffi64.c
@@ -599,9 +599,15 @@
tramp = (volatile unsigned short*)&closure->tramp[0];
tramp[0] = 0xbb49; /* mov <code>, %r11 */
- *(void* volatile*)&tramp[1] = ffi_closure_unix64;
+ tramp[1] = (unsigned short) ffi_closure_unix64;
+ tramp[2] = (unsigned short) (ffi_closure_unix64 >> 16);
+ tramp[3] = (unsigned short) (ffi_closure_unix64 >> 32);
+ tramp[4] = (unsigned short) (ffi_closure_unix64 >> 48);
tramp[5] = 0xba49; /* mov <data>, %r10 */
- *(void* volatile*)&tramp[6] = closure;
+ tramp[6] = (unsigned short) closure;
+ tramp[7] = (unsigned short) (closure >> 16);
+ tramp[8] = (unsigned short) (closure >> 32);
+ tramp[9] = (unsigned short) (closure >> 48);
/* Set the carry bit if the function uses any sse registers.
This is clc or stc, together with the first byte of the jmp. */
--- Objects/listobject.c
+++ Objects/listobject.c
@@ -641,7 +641,7 @@
goto Error;
}
}
- memcpy(recycle, &item[ilow], s);
+ if (s != 0) memcpy(recycle, &item[ilow], s);
if (d < 0) { /* Delete -d items */
Py_ssize_t tail;