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libcxxabi: fix compilation warnings

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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
This commit is contained in:
yinshengkai 2024-08-23 18:21:29 +08:00 committed by Xiang Xiao
parent ad76a4f7a9
commit 6d39b248a4
3 changed files with 76 additions and 0 deletions
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41
libs/libxx/0001-libcxxabi-Fix-build-warnings-generated-by-CMake-comp.patch Normal file
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@ -0,0 +1,41 @@
From df7ad61eb3ce52ebf864f30ec3ad1a6ccea74730 Mon Sep 17 00:00:00 2001
From: cuiziwei <cuiziwei@xiaomi.com>
Date: Thu, 23 May 2024 11:11:30 +0800
libcxxabi:Fix build warnings generated by CMake
compilation.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
VELAPLATFO-32782
nuttx/libs/libxx/libcxxabi/src/cxa_personality.cpp: In function ‘void __cxxabiv1::__cxa_call_unexpected(void*)’:
nuttx/libs/libxx/libcxxabi/src/cxa_personality.cpp:1250:46: warning: ‘ttypeIndex’ may be used uninitialized [-Wmaybe-uninitialized]
1250 | if (!exception_spec_can_catch(ttypeIndex, classInfo, ttypeEncoding,
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1251 | excpType, adjustedPtr,
| ~~~~~~~~~~~~~~~~~~~~~~
1252 | unwind_exception, base))
Change-Id: Ic114508ecdad7cc84e7ad997a9379e50b2efd2a5
Signed-off-by: cuiziwei <cuiziwei@xiaomi.com>
---
src/cxa_personality.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git libcxxabi/src/cxa_personality.cpp libcxxabi/src/cxa_personality.cpp
index b28c58d..5b58037 100644
--- libcxxabi/src/cxa_personality.cpp
+++ libcxxabi/src/cxa_personality.cpp
@@ -1174,7 +1174,7 @@ __cxa_call_unexpected(void* arg)
std::unexpected_handler u_handler;
std::terminate_handler t_handler;
__cxa_exception* old_exception_header = 0;
- int64_t ttypeIndex;
+ int64_t ttypeIndex = 0;
const uint8_t* lsda;
uintptr_t base = 0;
--
2.34.1

33
libs/libxx/0002-libcxxabi-fix-compilation-errors.patch Normal file
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@ -0,0 +1,33 @@
From b84bcf890c949d248ade97a5e1fbcf2a8e3efcd7 Mon Sep 17 00:00:00 2001
From: yinshengkai <yinshengkai@xiaomi.com>
Date: Fri, 5 Jul 2024 16:59:49 +0800
libcxxabi: fix compilation errors
error: invalid conversion from 'int' to '_Unwind_State' [-fpermissive]
1073 | state &= ~_US_FORCE_UNWIND;
| ~~~~~~^~~~~~~~~~~~~~~~~~~~
| |
| int
Change-Id: I47827d58438f248e2171d20a44cc29ed8b259fc5
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
---
src/cxa_personality.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git libcxxabi/src/cxa_personality.cpp libcxxabi/src/cxa_personality.cpp
index 5b58037..3e1fd83 100644
--- libcxxabi/src/cxa_personality.cpp
+++ libcxxabi/src/cxa_personality.cpp
@@ -1070,7 +1070,7 @@ __gxx_personality_v0(_Unwind_State state,
// Check the undocumented force unwinding behavior
bool is_force_unwinding = state & _US_FORCE_UNWIND;
- state &= ~_US_FORCE_UNWIND;
+ state = (_Unwind_State)(state & ~_US_FORCE_UNWIND);
scan_results results;
switch (state) {
--
2.34.1

2
libs/libxx/libcxxabi.defs
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@ -28,6 +28,8 @@ libcxxabi-$(LIBCXXABI_VERSION).src.tar.xz:
libcxxabi: libcxxabi-$(LIBCXXABI_VERSION).src.tar.xz
$(Q) tar -xf libcxxabi-$(LIBCXXABI_VERSION).src.tar.xz
$(Q) mv libcxxabi-$(LIBCXXABI_VERSION).src libcxxabi
$(Q) patch -p0 < 0001-libcxxabi-Fix-build-warnings-generated-by-CMake-comp.patch
$(Q) patch -p0 < 0002-libcxxabi-fix-compilation-errors.patch
$(Q) touch $@
endif