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[libc] build fix for sigsetjmp #137047

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Merged
merged 1 commit into from
Apr 23, 2025
Merged

[libc] build fix for sigsetjmp #137047

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13 changes: 6 additions & 7 deletions libc/src/setjmp/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,14 +1,13 @@
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS})
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS})
add_object_library(
sigsetjmp_epilogue
ALIAS
DEPENDS
.${LIBC_TARGET_OS}.sigsetjmp_epilogue
)
endif()

add_object_library(
sigsetjmp_epilogue
ALIAS
DEPENDS
.${LIBC_TARGET_OS}.sigsetjmp_epilogue
)

if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
endif()
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8 changes: 4 additions & 4 deletions libc/src/setjmp/x86_64/sigsetjmp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,8 @@ LLVM_LIBC_FUNCTION(int, sigsetjmp, (sigjmp_buf buf)) {

.Lnosave:
jmp %P[setjmp])" ::[retaddr] "i"(offsetof(__jmp_buf, sig_retaddr)),
[extra] "i"(offsetof(__jmp_buf, sig_extra)), [setjmp] "i"(setjmp),
[epilogue] "i"(sigsetjmp_epilogue)
[extra] "i"(offsetof(__jmp_buf, sig_extra)), [setjmp] "X"(setjmp),
[epilogue] "X"(sigsetjmp_epilogue)
: "eax", "ebx", "ecx");
}
#endif
Expand All @@ -60,8 +60,8 @@ LLVM_LIBC_FUNCTION(int, sigsetjmp, (sigjmp_buf, int)) {

.Lnosave:
jmp %P[setjmp])" ::[retaddr] "i"(offsetof(__jmp_buf, sig_retaddr)),
[extra] "i"(offsetof(__jmp_buf, sig_extra)), [setjmp] "i"(setjmp),
[epilogue] "i"(sigsetjmp_epilogue)
[extra] "i"(offsetof(__jmp_buf, sig_extra)), [setjmp] "X"(setjmp),
[epilogue] "X"(sigsetjmp_epilogue)
: "rax", "rbx");
}

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