30 lines
1.2 KiB
Diff
30 lines
1.2 KiB
Diff
From 742d768656512a469ce9571b1cbd777def7bc5ea Mon Sep 17 00:00:00 2001
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From: Andreas Schwab <schwab@linux-m68k.org>
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Date: Tue, 29 Jan 2019 17:16:10 +0100
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Subject: [PATCH] bpo-35847: RISC-V needs CTYPES_PASS_BY_REF_HACK (GH-11694)
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This fixes the ctypes.test.test_structures.StructureTestCase test.
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https://bugs.python.org/issue35847
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---
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.../next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst | 1 +
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Modules/_ctypes/callproc.c | 2 +-
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2 files changed, 2 insertions(+), 1 deletion(-)
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create mode 100644 Misc/NEWS.d/next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Library/2019-01-29-09-11-09.bpo-35847.eiSi4t.rst
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@@ -0,0 +1 @@
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+RISC-V needed the CTYPES_PASS_BY_REF_HACK. Fixes ctypes Structure test_pass_by_value.
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--- a/Modules/_ctypes/callproc.c
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+++ b/Modules/_ctypes/callproc.c
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@@ -1050,7 +1050,7 @@ GetComError(HRESULT errcode, GUID *riid,
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#endif
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#if (defined(__x86_64__) && (defined(__MINGW64__) || defined(__CYGWIN__))) || \
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- defined(__aarch64__)
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+ defined(__aarch64__) || defined(__riscv)
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#define CTYPES_PASS_BY_REF_HACK
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#define POW2(x) (((x & ~(x - 1)) == x) ? x : 0)
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#define IS_PASS_BY_REF(x) (x > 8 || !POW2(x))
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