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* defines.h (FLUSH_REGISTER_WINDOWS): Make the flushw call an

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inline function instead so it can be used as an expression.

* eval.c (EXEC_TAG, THREAD_SAVE_CONTEXT): Consistently call
  FLUSH_REGISTER_WINDOWS before calling setjmp(). (I suspect that
  every setjmp() implementation should take care of register
  windows, though)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2003-01-04 18:48:24 +00:00
parent b369eea79f
commit 50e62191ec
4 changed files with 25 additions and 9 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
Sun Jan 5 03:43:47 2003 Akinori MUSHA <knu@iDaemons.org>
* defines.h (FLUSH_REGISTER_WINDOWS): Make the flushw call an
inline function instead so it can be used as an expression.
* eval.c (EXEC_TAG, THREAD_SAVE_CONTEXT): Consistently call
FLUSH_REGISTER_WINDOWS before calling setjmp(). (I suspect that
every setjmp() implementation should take care of register
windows, though)
Sun Jan 5 03:12:32 2003 NAKAMURA Usaku <usa@ruby-lang.org>
* file.c (utimbuf): use utimbuf instead of _utimbuf if defined _WIN32.

17
defines.h
View file

@ -138,15 +138,20 @@ void xfree _((void*));
#endif
#if defined(sparc) || defined(__sparc__)
# if defined(linux) || defined(__linux__)
#define FLUSH_REGISTER_WINDOWS asm("ta 0x83")
# elif defined(__FreeBSD__) && defined(__sparc64__)
#define FLUSH_REGISTER_WINDOWS asm volatile("flushw" : :)
static inline void
flush_register_windows(void)
{
# if defined(__sparc_v9__) || defined(__arch64__)
asm volatile ("flushw" : :);
# elif defined(linux) || defined(__linux__)
asm volatile ("ta 0x83");
# else /* Solaris, OpenBSD, NetBSD, etc. */
#define FLUSH_REGISTER_WINDOWS asm("ta 0x03")
asm volatile ("ta 0x03");
# endif /* trap always to flush register windows if we are on a Sparc system */
}
#define FLUSH_REGISTER_WINDOWS flush_register_windows()
#else /* Not a sparc, so */
#define FLUSH_REGISTER_WINDOWS /* empty -- nothing to do here */
#define FLUSH_REGISTER_WINDOWS /* empty -- nothing to do here */
#endif
#if defined(DOSISH)

5
eval.c
View file

@ -825,7 +825,7 @@ static struct tag *prot_tag;
#define PROT_FUNC -1
#define PROT_THREAD -2
#define EXEC_TAG() setjmp(prot_tag->buf)
#define EXEC_TAG() (FLUSH_REGISTER_WINDOWS, setjmp(prot_tag->buf))
#define JUMP_TAG(st) do { \
ruby_frame = prot_tag->frame; \
@ -7753,7 +7753,8 @@ thread_switch(n)
}
#define THREAD_SAVE_CONTEXT(th) \
(rb_thread_save_context(th),thread_switch(setjmp((th)->context)))
(rb_thread_save_context(th),\
thread_switch((FLUSH_REGISTER_WINDOWS, setjmp((th)->context))))
static void rb_thread_restore_context _((rb_thread_t,int));

2
gc.c
View file

@ -374,7 +374,7 @@ static unsigned int STACK_LEVEL_MAX = 655300;
# endif
# define STACK_END (stack_end)
#endif
#ifdef __sparc__
#if defined(sparc) || defined(__sparc__)
# define STACK_LENGTH (rb_gc_stack_start - STACK_END + 0x80)
#else
# define STACK_LENGTH ((STACK_END < rb_gc_stack_start) ? rb_gc_stack_start - STACK_END\