bpo-35847: RISC-V needs CTYPES_PASS_BY_REF_HACK (pythonGH-11694)

This fixes the ctypes.test.test_structures.StructureTestCase test. https://bugs.python.org/issue35847 (cherry picked from commit 742d768) Co-authored-by: Andreas Schwab <schwab@linux-m68k.org>
miss-islington · Jan 29, 2019 · 10354cb · 10354cb
1 parent ff27f81
commit 10354cb
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diff --git a/Misc/NEWS.d/next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst b/Misc/NEWS.d/next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst
@@ -0,0 +1 @@
+RISC-V needed the CTYPES_PASS_BY_REF_HACK.  Fixes ctypes Structure test_pass_by_value.
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
@@ -1052,7 +1052,7 @@ GetComError(HRESULT errcode, GUID *riid, IUnknown *pIunk)
 #endif
 
 #if (defined(__x86_64__) && (defined(__MINGW64__) || defined(__CYGWIN__))) || \
-    defined(__aarch64__)
+    defined(__aarch64__) || defined(__riscv)
 #define CTYPES_PASS_BY_REF_HACK
 #define POW2(x) (((x & ~(x - 1)) == x) ? x : 0)
 #define IS_PASS_BY_REF(x) (x > 8 || !POW2(x))