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[INCLUDE/WINE] Import asm.h from Wine Staging 4.18. CORE-16441
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Amine Khaldi
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8015bf9f47
commit
476c99b643
1 changed files with 146 additions and 0 deletions
146
sdk/include/reactos/wine/asm.h
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146
sdk/include/reactos/wine/asm.h
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/*
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* Inline assembly support
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*
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* Copyright 2019 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_WINE_ASM_H
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#define __WINE_WINE_ASM_H
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#if defined(__APPLE__) || (defined(_WIN32) && defined(__i386__))
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# define __ASM_NAME(name) "_" name
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#else
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# define __ASM_NAME(name) name
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#endif
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#if defined(_WIN32) && defined(__i386__)
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# define __ASM_STDCALL(name,args) __ASM_NAME(name) "@" #args
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#else
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# define __ASM_STDCALL(name,args) __ASM_NAME(name)
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#endif
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#if defined(__GCC_HAVE_DWARF2_CFI_ASM) || defined(__APPLE__)
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# define __ASM_CFI(str) str
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#else
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# define __ASM_CFI(str)
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#endif
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#ifdef __SEH__
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# define __ASM_SEH(str) str
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#else
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# define __ASM_SEH(str)
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#endif
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#ifdef _WIN32
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# define __ASM_FUNC_TYPE(name) ".def " name "; .scl 2; .type 32; .endef"
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#elif defined(__APPLE__)
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# define __ASM_FUNC_TYPE(name) ""
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#elif defined(__arm__) || defined(__arm64__)
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# define __ASM_FUNC_TYPE(name) ".type " name ",%function"
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#else
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# define __ASM_FUNC_TYPE(name) ".type " name ",@function"
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#endif
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/* ReactOS */
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#if defined(_MSC_VER)
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# define __ASM_DEFINE_FUNC(name,code)
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#elif defined(__GNUC__)
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# define __ASM_DEFINE_FUNC(name,code) \
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asm(".text\n\t.align 4\n\t.globl " name "\n\t" __ASM_FUNC_TYPE(name) __ASM_SEH("\n\t.seh_proc " name) "\n" name ":\n\t" \
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__ASM_CFI(".cfi_startproc\n\t") code __ASM_CFI("\n\t.cfi_endproc") __ASM_SEH("\n\t.seh_endproc") );
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#else
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# define __ASM_DEFINE_FUNC(name,code) void __asm_dummy_##__LINE__(void) { \
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asm(".text\n\t.align 4\n\t.globl " name "\n\t" __ASM_FUNC_TYPE(name) __ASM_SEH("\n\t.seh_proc " name) "\n" name ":\n\t" \
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__ASM_CFI(".cfi_startproc\n\t") code __ASM_CFI("\n\t.cfi_endproc") __ASM_SEH("\n\t.seh_endproc") ); }
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#endif
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#define __ASM_GLOBAL_FUNC(name,code) __ASM_DEFINE_FUNC(__ASM_NAME(#name),code)
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#define __ASM_STDCALL_FUNC(name,args,code) __ASM_DEFINE_FUNC(__ASM_STDCALL(#name,args),code)
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/* fastcall support */
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#if defined(__i386__) && !defined(_WIN32)
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# define DEFINE_FASTCALL1_WRAPPER(func) \
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__ASM_STDCALL_FUNC( __fastcall_ ## func, 4, \
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"popl %eax\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_STDCALL(#func,4) )
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# define DEFINE_FASTCALL_WRAPPER(func,args) \
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__ASM_STDCALL_FUNC( __fastcall_ ## func, args, \
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"popl %eax\n\t" \
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"pushl %edx\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_STDCALL(#func,args) )
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#else /* __i386__ */
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# define DEFINE_FASTCALL1_WRAPPER(func) /* nothing */
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# define DEFINE_FASTCALL_WRAPPER(func,args) /* nothing */
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#endif /* __i386__ */
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/* thiscall support */
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#if defined(__i386__) && !defined(__MINGW32__)
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# ifdef _MSC_VER
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#ifdef __REACTOS__
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# define DEFINE_THISCALL_WRAPPER(func,args) \
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__declspec(naked) void __thiscall_##func(void) \
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{ \
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__asm pop eax \
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__asm push ecx \
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__asm push eax \
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__asm jmp func \
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}
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#else
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# define DEFINE_THISCALL_WRAPPER(func,args) \
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__declspec(naked) void __thiscall_##func(void) \
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{ __asm { \
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pop eax \
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push ecx \
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push eax \
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jmp func \
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} }
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#endif
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# else /* _MSC_VER */
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# define DEFINE_THISCALL_WRAPPER(func,args) \
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extern void __thiscall_ ## func(void); \
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__ASM_STDCALL_FUNC( __thiscall_ ## func, args, \
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"popl %eax\n\t" \
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"pushl %ecx\n\t" \
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"pushl %eax\n\t" \
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"jmp " __ASM_STDCALL(#func,args) )
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# endif /* _MSC_VER */
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# define THISCALL(func) (void *)__thiscall_ ## func
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# define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
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#else /* __i386__ */
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# define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
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# define THISCALL(func) func
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# define THISCALL_NAME(func) __ASM_NAME(#func)
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#endif /* __i386__ */
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#endif /* __WINE_WINE_ASM_H */
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