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libphobos: Backport minimal MinGW support patches. 

Merges upstream druntime 1ca80e4e, phobos b5e9661a0.

Reviewed-on: https://github.com/dlang/druntime/pull/2587
	     https://github.com/dlang/phobos/pull/6981

From-SVN: r270638
This commit is contained in:
Iain Buclaw 2019-04-29 05:42:36 +00:00
parent 7d5010ee7a
commit be79ec008e
7 changed files with 53 additions and 44 deletions
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2
libphobos/libdruntime/MERGE
View File

@ -1,4 +1,4 @@
e03164b5259a9f116eb91dfa5a18c192fa72e575
1ca80e4e0cf460575752a0c157ca52c184f4b982
The first line of this file holds the git revision number of the last
merge done from the dlang/druntime repository.

48
libphobos/libdruntime/core/stdc/stdio.d
View File

@ -1291,35 +1291,7 @@ size_t fwrite(scope const void* ptr, size_t size, size_t nmemb, FILE* stream);
c_long ftell(FILE* stream);
}
version (MinGW)
{
// No unsafe pointer manipulation.
extern (D) @trusted
{
///
void rewind()(FILE* stream) { fseek(stream,0L,SEEK_SET); stream._flag = stream._flag & ~_IOERR; }
///
pure void clearerr()(FILE* stream) { stream._flag = stream._flag & ~(_IOERR|_IOEOF); }
///
pure int feof()(FILE* stream) { return stream._flag&_IOEOF; }
///
pure int ferror()(FILE* stream) { return stream._flag&_IOERR; }
}
///
int __mingw_snprintf(scope char* s, size_t n, scope const char* fmt, ...);
///
alias __mingw_snprintf _snprintf;
///
alias __mingw_snprintf snprintf;
///
int __mingw_vsnprintf(scope char* s, size_t n, scope const char* format, va_list arg);
///
alias __mingw_vsnprintf _vsnprintf;
///
alias __mingw_vsnprintf vsnprintf;
}
else version (CRuntime_DigitalMars)
version (CRuntime_DigitalMars)
{
// No unsafe pointer manipulation.
extern (D) @trusted
@ -1362,6 +1334,23 @@ else version (CRuntime_Microsoft)
pure int fileno(FILE* stream);
}
version (MinGW)
{
int __mingw_snprintf(scope char* s, size_t n, scope const char* fmt, ...);
///
alias __mingw_snprintf _snprintf;
///
alias __mingw_snprintf snprintf;
///
int __mingw_vsnprintf(scope char* s, size_t n, scope const char* format, va_list arg);
///
alias __mingw_vsnprintf _vsnprintf;
///
alias __mingw_vsnprintf vsnprintf;
}
else
{
///
int _snprintf(scope char* s, size_t n, scope const char* format, ...);
///
@ -1371,6 +1360,7 @@ else version (CRuntime_Microsoft)
int _vsnprintf(scope char* s, size_t n, scope const char* format, va_list arg);
///
int vsnprintf(scope char* s, size_t n, scope const char* format, va_list arg);
}
///
int _fputc_nolock(int c, FILE *fp);

4
libphobos/libdruntime/core/sys/windows/dll.d
View File

@ -328,7 +328,9 @@ public:
*/
bool dll_fixTLS( HINSTANCE hInstance, void* tlsstart, void* tlsend, void* tls_callbacks_a, int* tlsindex ) nothrow
{
version (Win64)
version (GNU_EMUTLS)
return true;
else version (Win64)
return true; // fixed
else version (Win32)
{

17
libphobos/libdruntime/core/thread.d
View File

@ -49,9 +49,17 @@ version (Solaris)
import core.sys.solaris.sys.types;
}
// this should be true for most architectures
version (GNU_StackGrowsDown)
version (GNU)
{
import gcc.builtins;
version (GNU_StackGrowsDown)
version = StackGrowsDown;
}
else
{
// this should be true for most architectures
version = StackGrowsDown;
}
/**
* Returns the process ID of the calling process, which is guaranteed to be
@ -301,11 +309,6 @@ else version (Posix)
import core.sys.darwin.pthread : pthread_mach_thread_np;
}
version (GNU)
{
import gcc.builtins;
}
//
// Entry point for POSIX threads
//

10
libphobos/libdruntime/rt/dmain2.d
View File

@ -340,7 +340,15 @@ extern (C) int _d_run_main(int argc, char **argv, MainFunc mainFunc)
version (CRuntime_Microsoft)
{
// enable full precision for reals
version (Win64)
version (GNU)
{
size_t fpu_cw;
asm { "fstcw %0" : "=m" (fpu_cw); }
fpu_cw |= 0b11_00_111111; // 11: use 64 bit extended-precision
// 111111: mask all FP exceptions
asm { "fldcw %0" : "=m" (fpu_cw); }
}
else version (Win64)
asm
{
push RAX;

2
libphobos/src/MERGE
View File

@ -1,4 +1,4 @@
b538f758a4d274b64751f80564b0207845cd018c
b5e9661a089b6514e01fa5195c0f2bc9cc06eddd
The first line of this file holds the git revision number of the last
merge done from the dlang/phobos repository.

14
libphobos/src/std/math.d
View File

@ -174,6 +174,12 @@ else version (D_InlineAsm_X86_64)
version = InlineAsm_X86_Any;
}
version (CRuntime_Microsoft)
{
version (InlineAsm_X86_Any)
version = MSVC_InlineAsm;
}
version (X86_64) version = StaticallyHaveSSE;
version (X86) version (OSX) version = StaticallyHaveSSE;
@ -3692,7 +3698,7 @@ real logb(real x) @trusted nothrow @nogc
ret ;
}
}
else version (CRuntime_Microsoft)
else version (MSVC_InlineAsm)
{
asm pure nothrow @nogc
{
@ -3979,7 +3985,7 @@ real ceil(real x) @trusted pure nothrow @nogc
ret ;
}
}
else version (CRuntime_Microsoft)
else version (MSVC_InlineAsm)
{
short cw;
asm pure nothrow @nogc
@ -4107,7 +4113,7 @@ real floor(real x) @trusted pure nothrow @nogc
ret ;
}
}
else version (CRuntime_Microsoft)
else version (MSVC_InlineAsm)
{
short cw;
asm pure nothrow @nogc
@ -4607,7 +4613,7 @@ real trunc(real x) @trusted nothrow @nogc
ret ;
}
}
else version (CRuntime_Microsoft)
else version (MSVC_InlineAsm)
{
short cw;
asm pure nothrow @nogc