From 93b4df40ad121a8eb7e141698092faff129d2967 Mon Sep 17 00:00:00 2001 From: matz Date: Fri, 1 Aug 2003 10:57:32 +0000 Subject: * ext/syck/rubyext.c (syck_emitter_write_m): forgot to declare "self", making it default to "int". * ext/syck/rubyext.c (syck_emitter_simple_write): ditto. * gc.c (rb_gc): should mark backing store region on IA64. git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- gc.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) (limited to 'gc.c') diff --git a/gc.c b/gc.c index df8e22fb0..792f70b7b 100644 --- a/gc.c +++ b/gc.c @@ -30,6 +30,11 @@ #include #endif +#ifdef __ia64__ +#include +extern unsigned long __libc_ia64_register_backing_store_base; +#endif + void re_free_registers _((struct re_registers*)); void rb_io_fptr_finalize _((struct OpenFile*)); @@ -367,7 +372,7 @@ static unsigned int STACK_LEVEL_MAX = 655300; # define SET_STACK_END VALUE stack_end; alloca(0); # define STACK_END (&stack_end) #else -# if defined(__GNUC__) && defined(USE_BUILTIN_FRAME_ADDRESS) +# if defined(__GNUC__) && defined(USE_BUILTIN_FRAME_ADDRESS) && !defined(__ia64__) # define SET_STACK_END VALUE *stack_end = __builtin_frame_address(0) # else # define SET_STACK_END VALUE *stack_end = alloca(1) @@ -1236,7 +1241,7 @@ rb_gc() } FLUSH_REGISTER_WINDOWS; - /* This assumes that all registers are saved into the jmp_buf */ + /* This assumes that all registers are saved into the jmp_buf (and stack) */ setjmp(save_regs_gc_mark); mark_locations_array((VALUE*)save_regs_gc_mark, sizeof(save_regs_gc_mark) / sizeof(VALUE *)); #if STACK_GROW_DIRECTION < 0 @@ -1249,6 +1254,20 @@ rb_gc() else rb_gc_mark_locations(rb_gc_stack_start, (VALUE*)STACK_END); #endif +#ifdef __ia64__ + /* mark backing store (flushed register window on the stack) */ + /* the basic idea from guile GC code */ + { + ucontext_t ctx; + VALUE *top, *bot; + getcontext(&ctx); + rb_gc_mark_locations((VALUE*)&ctx.uc_mcontext, + ((size_t)(sizeof(VALUE)-1 + sizeof ctx.uc_mcontext)/sizeof(VALUE))); + bot = (VALUE*)__libc_ia64_register_backing_store_base; + top = (VALUE*)ctx.uc_mcontext.sc_ar_bsp; + rb_gc_mark_locations(bot, top); + } +#endif #if defined(__human68k__) || defined(__mc68000__) rb_gc_mark_locations((VALUE*)((char*)STACK_END + 2), (VALUE*)((char*)rb_gc_stack_start + 2)); @@ -1322,7 +1341,7 @@ Init_stack(addr) /* ruby crashes on IA64 if compiled with optimizer on */ /* when if STACK_LEVEL_MAX is greater than this magic number */ /* I know this is a kludge. I suspect optimizer bug */ -#define IA64_MAGIC_STACK_LIMIT 32768 +#define IA64_MAGIC_STACK_LIMIT 49152 if (STACK_LEVEL_MAX > IA64_MAGIC_STACK_LIMIT) STACK_LEVEL_MAX = IA64_MAGIC_STACK_LIMIT; #endif -- cgit