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[UCRT] Add "aliases" for some hacked clang builtins

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This commit is contained in:
Timo Kreuzer 2024-12-02 19:42:45 +02:00
parent d74ab36324
commit efe84ec41a
2 changed files with 39 additions and 0 deletions
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32
sdk/lib/ucrt/stdlib/clang-hacks.s Normal file
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@ -0,0 +1,32 @@
#include <asm.inc>
#ifdef _M_IX86
.code
#define SYM(name) _##name
#else
.code64
#define SYM(name) name
#endif
MACRO(CREATE_ALIAS, alias, target)
EXTERN SYM(&target):PROC
PUBLIC SYM(&alias)
SYM(&alias):
jmp SYM(&target)
ENDM
#undef _lrotl
CREATE_ALIAS _lrotl, ___lrotl
#undef _lrotr
CREATE_ALIAS _lrotr, ___lrotr
#undef _rotl
CREATE_ALIAS _rotl, ___rotl
#undef _rotl64
CREATE_ALIAS _rotl64, ___rotl64
#undef _rotr
CREATE_ALIAS _rotr, ___rotr
#undef _rotr64
CREATE_ALIAS _rotr64, ___rotr64
END

7
sdk/lib/ucrt/stdlib/stdlib.cmake
View file

@ -22,3 +22,10 @@ list(APPEND UCRT_STDLIB_SOURCES
stdlib/rotl.cpp stdlib/rotl.cpp
stdlib/rotr.cpp stdlib/rotr.cpp
) )
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
add_asm_files(UCRT_STRING_ASM stdlib/clang-hacks.s)
list(APPEND UCRT_STDLIB_SOURCES
${UCRT_STRING_ASM}
)
endif()