commit 742d768656512a469ce9571b1cbd777def7bc5ea
author Andreas Schwab <schwab@linux-m68k.org> Tue Jan 29 17:16:10 2019 +0100
committer Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Jan 29 08:16:10 2019 -0800
tree 8a7883e4aa6cd678a1e2281724b2b1113aa2efbe
parent 808180c206fbde390d9dbdf24a8989fc8a6446ec

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



This fixes the ctypes.test.test_structures.StructureTestCase test.


https://bugs.python.org/issue35847

Misc/NEWS.d/next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst

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
new file mode 100644
index 0000000..e3775f9
--- /dev/null
+++ 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.

Modules/_ctypes/callproc.c

diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index a7965c1..bed5364 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -1058,7 +1058,7 @@
 #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))