Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-07-07 18:47:53 +00:00
Code Issues Projects Releases Packages Wiki Activity

[UCRT] Use GCC inline assembler

Browse source 
Clang requires the asm to be split, otherwise it complains that it doesn't have enough registers.
This commit is contained in:
Timo Kreuzer 2024-10-13 10:56:28 +03:00
parent 0cdde63c57
commit faedd8ff75
3 changed files with 54 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

34
sdk/lib/ucrt/misc/invalid_parameter.cpp
View file

@ -166,7 +166,38 @@ extern "C" __declspec(noreturn) void __cdecl _invalid_parameter_noinfo_noreturn(
EXCEPTION_POINTERS ExceptionPointers = {&ExceptionRecord, &ContextRecord};
#ifdef _M_IX86
#if defined(__GNUC__) || defined(__clang__)
__asm__ __volatile__(
"movl %%eax, %[CxEax]\n\t"
"movl %%ecx, %[CxEcx]\n\t"
"movl %%edx, %[CxEdx]\n\t"
"movl %%ebx, %[CxEbx]\n\t"
"movl %%esi, %[CxEsi]\n\t"
"movl %%edi, %[CxEdi]\n\t"
: [CxEax] "=m" (ContextRecord.Eax),
[CxEcx] "=m" (ContextRecord.Ecx),
[CxEdx] "=m" (ContextRecord.Edx),
[CxEbx] "=m" (ContextRecord.Ebx),
[CxEsi] "=m" (ContextRecord.Esi),
[CxEdi] "=m" (ContextRecord.Edi));
__asm__ __volatile__(
"movw %%ss, %[CxSegSs]\n\t"
"movw %%cs, %[CxSegCs]\n\t"
"movw %%ds, %[CxSegDs]\n\t"
"movw %%es, %[CxSegEs]\n\t"
"movw %%fs, %[CxSegFs]\n\t"
"movw %%gs, %[CxSegGs]\n\t"
: [CxSegSs] "=m" (ContextRecord.SegSs),
[CxSegCs] "=m" (ContextRecord.SegCs),
[CxSegDs] "=m" (ContextRecord.SegDs),
[CxSegEs] "=m" (ContextRecord.SegEs),
[CxSegFs] "=m" (ContextRecord.SegFs),
[CxSegGs] "=m" (ContextRecord.SegGs));
__asm__ __volatile__(
"pushfl\n\t"
"popl %[CxEFlags]\n\t"
: [CxEFlags] "=m" (ContextRecord.EFlags));
#else // ^^^ __GNUC__ ^^^ // vvv !__GNUC__ vvv //
__asm
{
mov dword ptr [ContextRecord.Eax ], eax
@ -184,6 +215,7 @@ extern "C" __declspec(noreturn) void __cdecl _invalid_parameter_noinfo_noreturn(
pushfd
pop [ContextRecord.EFlags]
}
#endif // !__GNUC__
ContextRecord.ContextFlags = CONTEXT_CONTROL;