diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-07-08 10:27:23 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-07-08 10:27:23 +0000 |
commit | aa4878589c57acdee9f189b67f1dc55c1283fa16 (patch) | |
tree | 2d1db19a07b7ea335ee87d1695c1e6b8fd952bb4 /gc.c | |
parent | 4e7110d4355e9236467a1f63cfe4b625394b3043 (diff) |
* configure.in (rb_cv_stack_end_address): detect stack end address
variable supplied by system. [ruby-core:03115]
* gc.c (Init_stack): use system provided address if possible.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
-rw-r--r-- | gc.c | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -44,6 +44,10 @@ extern unsigned long __libc_ia64_register_backing_store_base; #endif #endif +#if defined _WIN32 || defined __CYGWIN__ +#include <windows.h> +#endif + void re_free_registers _((struct re_registers*)); int rb_io_fptr_finalize _((struct OpenFile*)); @@ -1408,9 +1412,16 @@ void Init_stack(addr) VALUE *addr; { -#if defined(__human68k__) - extern void *_SEND; - rb_gc_stack_start = _SEND; +#if defined(_WIN32) || defined(__CYGWIN__) + MEMORY_BASIC_INFORMATION m; + memset(&m, 0, sizeof(m)); + VirtualQuery(&m, &m, sizeof(m)); + rb_gc_stack_start = + STACK_UPPER((VALUE *)&m, (VALUE *)m.BaseAddress, + (VALUE *)((char *)m.BaseAddress + m.RegionSize) - 1); +#elif defined(STACK_END_ADDRESS) + extern void *STACK_END_ADDRESS; + rb_gc_stack_start = STACK_END_ADDRESS; #else if (!addr) addr = (VALUE *)&addr; STACK_UPPER(&addr, addr, ++addr); |