mirror of
https://github.com/NixOS/nixpkgs.git
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109 lines
3.5 KiB
Diff
109 lines
3.5 KiB
Diff
--- gc-7.2/include/gc.h 2014-06-01 19:00:48.000000000 +0200
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+++ gc-7.2/include/gc.h 2015-05-27 12:55:42.248984200 +0200
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@@ -1386,7 +1386,14 @@
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/* THREAD_LOCAL_ALLOC defined and the initial allocation call is not */
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/* to GC_malloc() or GC_malloc_atomic(). */
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-#ifdef __CYGWIN32__
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+#ifdef __CYGWIN__
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+#ifdef __x86_64__
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+ extern int __data_start__[], __data_end__[], __bss_start__[], __bss_end__[];
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+#define GC_DATASTART (__data_start__ < __bss_start__ ?\
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+ (void *)__data_start__ : (void *)__bss_start__)
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+#define GC_DATAEND (__data_end__ < __bss_end__ ?\
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+ (void *)__data_end__ : (void *)__bss_end__)
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+#else
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/* Similarly gnu-win32 DLLs need explicit initialization from the */
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/* main program, as does AIX. */
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extern int _data_start__[], _data_end__[], _bss_start__[], _bss_end__[];
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@@ -1394,6 +1401,7 @@
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(void *)_data_start__ : (void *)_bss_start__)
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# define GC_DATAEND (_data_end__ > _bss_end__ ? \
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(void *)_data_end__ : (void *)_bss_end__)
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+#endif
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# define GC_INIT_CONF_ROOTS GC_add_roots(GC_DATASTART, GC_DATAEND); \
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GC_gcollect() /* For blacklisting. */
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/* Required at least if GC is in a DLL. And doesn't hurt. */
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--- gc-7.2/include/private/gcconfig.h 2014-06-01 19:00:48.000000000 +0200
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+++ gc-7.2/include/private/gcconfig.h 2015-05-27 12:46:01.864338700 +0200
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@@ -441,10 +441,20 @@
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# endif
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# define mach_type_known
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# endif
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-# if defined(__CYGWIN32__) || defined(__CYGWIN__)
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+# if defined(__CYGWIN32__)
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# define I386
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# define CYGWIN32
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# define mach_type_known
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+#if defined(__CYGWIN__)
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+# if defined(__LP64__)
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+# define X86_64
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+# define mach_type_known
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+# else
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+# define I386
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+# endif
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+# define CYGWIN32
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+# define mach_type_known
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+#endif
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# endif
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# if defined(__MINGW32__) && !defined(mach_type_known)
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# define I386
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@@ -511,6 +521,16 @@
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# define mach_type_known
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# endif
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+#if defined(__CYGWIN__)
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+# if defined(__LP64__)
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+# define X86_64
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+# define mach_type_known
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+# else
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+# define I386
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+# endif
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+# define CYGWIN32
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+# define mach_type_known
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+#endif
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/* Feel free to add more clauses here */
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/* Or manually define the machine type here. A machine type is */
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@@ -2279,6 +2299,20 @@
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# define GWW_VDB
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# define DATAEND /* not needed */
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# endif
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+
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+# ifdef CYGWIN32
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+# define OS_TYPE "CYGWIN32"
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+# define DATASTART ((ptr_t)GC_DATASTART) /* From gc.h */
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+# define DATAEND ((ptr_t)GC_DATAEND)
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+# define ALIGNMENT 8
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+# undef STACK_GRAN
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+# define STACK_GRAN 0x10000
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+# ifdef USE_MMAP
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+# define NEED_FIND_LIMIT
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+# define USE_MMAP_ANON
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+# endif
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+# endif
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+
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# endif /* X86_64 */
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# ifdef HEXAGON
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--- gc-7.2/os_dep.c 2015-05-27 12:25:29.097698800 +0200
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+++ gc-7.2/os_dep.c 2015-05-27 12:48:23.714600800 +0200
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@@ -764,10 +764,16 @@
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/* gcc version of boehm-gc). */
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GC_API int GC_CALL GC_get_stack_base(struct GC_stack_base *sb)
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{
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+# ifdef __x86_64__
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+ PNT_TIB pTib = NtCurrentTeb();
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+ void * _tlsbase = pTib->StackBase;
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+ /*void * _tlsbase = NtCurrentTeb()->pTib.StackBase;*/
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+ /*extern void * _tlsbase __asm__ ("%gs:8");*/
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+# else
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void * _tlsbase;
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-
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__asm__ ("movl %%fs:4, %0"
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: "=r" (_tlsbase));
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+# endif
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sb -> mem_base = _tlsbase;
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return GC_SUCCESS;
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}
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