diff options
| author | Sakura286 <sakura286@outlook.com> | 2022-07-26 02:18:23 +0000 |
|---|---|---|
| committer | Stephan Bergmann <sbergman@redhat.com> | 2022-11-10 13:47:06 +0100 |
| commit | bc9487f745befde6534fd46058e119256952323d (patch) | |
| tree | 10b4ac8fd4be55ff19da95d39a51da7e753b6cd6 /bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx | |
| parent | 7ac572437ac972ef37aed8003f5a476f49b27b89 (diff) | |
Add riscv64 support
1. Configure gbuild
2. Add UNO Bridge for riscv64
Till now base function works well on riscv64. The bridgetest has passed.
Test on Debian, Gentoo and openEuler.
Credits:
- Heiher <r@hev.cc> and Stephan Bergmann <sbergman@redhat.com>
The riscv64 bridge implementation refers to mips64 and
AArch64 bridges.
- Bo Yu <tsu.yubo@gmail.com> configures gbuild for riscv64.
- WANG Xuerui <xen0n@gentoo.org> provides lots of guiding tips.
Change-Id: Ifad3b0de8b2c9e7328627ed03396bbd45a9c71e4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137445
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Jenkins
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx b/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx new file mode 100644 index 000000000000..b090953efde9 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx @@ -0,0 +1,95 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+#include "types.hxx"
+#include "abi.hxx"
+#include <stdio.h>
+#include <cstring>
+
+//#define BRIDGE_DEBUG
+
+namespace abi_riscv64
+{
+void countnGreg(sal_Int32& nGreg, sal_Int32& nFreg,
+ const typelib_CompoundTypeDescription* pTypeDescr)
+{
+ for (int i = 0; i < pTypeDescr->nMembers; i++)
+ {
+ typelib_TypeDescriptionReference* pTypeInStruct = pTypeDescr->ppTypeRefs[i];
+ switch (pTypeInStruct->eTypeClass)
+ {
+ case typelib_TypeClass_STRUCT:
+ case typelib_TypeClass_EXCEPTION:
+ {
+ typelib_TypeDescription* childTypeDescr = nullptr;
+ TYPELIB_DANGER_GET(&childTypeDescr, pTypeInStruct);
+ countnGreg(
+ nGreg, nFreg,
+ reinterpret_cast<typelib_CompoundTypeDescription const*>(childTypeDescr));
+ TYPELIB_DANGER_RELEASE(childTypeDescr);
+ }
+ break;
+ case typelib_TypeClass_FLOAT:
+ case typelib_TypeClass_DOUBLE:
+ nFreg++;
+ break;
+ default:
+ nGreg++;
+ break;
+ }
+ }
+}
+
+void fillStruct(const typelib_TypeDescription* pTypeDescr, sal_Int64* gret, double* fret,
+ void* pRegisterReturn)
+{
+#ifdef BRIDGE_DEBUG
+ printf("In fillStruct, pTypeDescr = %p, gret = %p, fret = %p, pRegisterReturn = %p\n",
+ pTypeDescr, gret, fret, pRegisterReturn);
+#endif
+ sal_Int32 nGreg = 0;
+ sal_Int32 nFreg = 0;
+ countnGreg(nGreg, nFreg, reinterpret_cast<typelib_CompoundTypeDescription const*>(pTypeDescr));
+ char* pAdjust = reinterpret_cast<char*>(pRegisterReturn);
+ if (nGreg == 0 && nFreg <= 2)
+ {
+ if (pTypeDescr->nSize <= 8 && nFreg == 2)
+ {
+ std::memcpy(pAdjust, fret, 4);
+ std::memcpy(pAdjust + 4, fret + 1, 4);
+ }
+ else
+ {
+ std::memcpy(pAdjust, fret, 16);
+ }
+ }
+ else if (nFreg == 1 && nGreg == 1)
+ {
+ if (pTypeDescr->nSize > 8)
+ {
+ std::memcpy(pAdjust, gret, 8);
+ std::memcpy(pAdjust + 8, fret, 8);
+ }
+ else
+ {
+ std::memcpy(pAdjust, gret, 4);
+ std::memcpy(pAdjust + 4, fret, 4);
+ }
+ }
+ else
+ {
+ std::memcpy(pAdjust, gret, 16);
+ }
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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