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dyn_load.c (GC_has_static_roots): Declare.

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2006-03-07  Andrew Haley  <aph@redhat.com>

        * dyn_load.c (GC_has_static_roots): Declare.
        (GC_register_dynlib_callback): Call GC_has_static_roots.

From-SVN: r113223
This commit is contained in:
Andrew Haley 2006-04-24 13:40:21 +00:00 committed by Andrew Haley
parent d84b37b08a
commit 5204d06d82
3 changed files with 31 additions and 1 deletions
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5
boehm-gc/ChangeLog
View File

@ -1,3 +1,8 @@
2006-03-07 Andrew Haley <aph@redhat.com>
* dyn_load.c (GC_has_static_roots): Declare.
(GC_register_dynlib_callback): Call GC_has_static_roots.
2006-04-11 Bryce McKinlay <mckinlay@redhat.com>
* darwin_stop_world.c (GC_push_all_stacks, GC_stop_world,

18
boehm-gc/dyn_load.c
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@ -119,6 +119,17 @@
# endif
# endif
/* An user-supplied routine that is called to dtermine if a DSO must
be scanned by the gc. */
static int (*GC_has_static_roots)(const char *, void *, size_t);
/* Register the routine. */
void
GC_register_has_static_roots_callback
(int (*callback)(const char *, void *, size_t))
{
GC_has_static_roots = callback;
}
#if defined(SUNOS5DL) && !defined(USE_PROC_FOR_LIBRARIES)
#ifdef LINT
@ -371,7 +382,7 @@ GC_bool GC_register_main_static_data()
{
return FALSE;
}
# define HAVE_REGISTER_MAIN_STATIC_DATA
#endif /* USE_PROC_FOR_LIBRARIES */
@ -411,6 +422,11 @@ static int GC_register_dynlib_callback(info, size, ptr)
{
if( !(p->p_flags & PF_W) ) break;
start = ((char *)(p->p_vaddr)) + info->dlpi_addr;
if (GC_has_static_roots
&& !GC_has_static_roots(info->dlpi_name, start, p->p_memsz))
break;
GC_add_roots_inner(start, start + p->p_memsz, TRUE);
}
break;

9
boehm-gc/include/gc.h
View File

@ -925,6 +925,15 @@ extern void GC_thr_init GC_PROTO((void));/* Needed for Solaris/X86 */
#endif /* THREADS && !SRC_M3 */
/* Register a callback to control the scanning of dynamic libraries.
When the GC scans the static data of a dynamic library, it will
first call a user-supplied routine with filename of the library and
the address and length of the memory region. This routine should
return nonzero if that region should be scanned. */
GC_API void GC_register_has_static_roots_callback
(int (*callback)(const char *, void *, size_t));
#if defined(GC_WIN32_THREADS) && !defined(__CYGWIN32__) && !defined(__CYGWIN__)
# include <windows.h>