Import GC 6.3alpha1.

	* BCC_MAKEFILE: Merge with GC 6.3alpha1 release.
	* ChangeLog: Likewise.
	* Makefile.am: Likewise.
	* Makefile.direct: Likewise.
	* Makefile.dj: Likewise.
	* allchblk.c: Likewise.
	* alloc.c: Likewise.
	* backgraph.c: Likewise.
	* configure.host: Likewise.
	* configure.in: Likewise.
	* dbg_mlc.c: Likewise.
	* dyn_load.c: Likewise.
	* finalize.c: Likewise.
	* gc_cpp.cc: Likewise.
	* gc_dlopen.c: Likewise.
	* gcj_mlc.c: Likewise.
	* if_mach.c: Likewise.
	* mach_dep.c: Likewise.
	* malloc.c: Likewise.
	* mallocx.c: Likewise.
	* mark.c: Likewise.
	* mark_rts.c: Likewise.
	* misc.c: Likewise.
	* os_dep.c: Likewise.
	* ptr_chck.c: Likewise.
	* reclaim.c: Likewise.
	* solaris_pthreads.c: Likewise.
	* solaris_threads.c: Likewise.
	* sparc_mach_dep.S: Likewise.
	* threadlibs.c: Likewise.
	* typd_mlc.c: Likewise.
	* version.h: Likewise.
	* win32_threads.c: Likewise.
	* Mac_files/MacOS_Test_config.h: Likewise.
	* Mac_files/MacOS_config.h: Likewise.
	* cord/cordbscs.c: Likewise.
	* cord/cordprnt.c: Likewise.
	* cord/de_win.c: Likewise.
	* doc/README: Likewise.
	* doc/README.MacOSX: Likewise.
	* doc/README.changes: Likewise.
	* doc/README.environment: Likewise.
	* doc/README.ews4800: Likewise.
	* doc/README.linux: Likewise.
	* doc/README.macros: Likewise.
	* doc/README.win32: Likewise.
	* doc/debugging.html: Likewise.
	* doc/gcdescr.html: Likewise.
	* doc/tree.html: Likewise.
	* include/Makefile.in: Likewise.
	* include/gc.h: Likewise.
	* include/gc_cpp.h: Likewise.
	* include/gc_local_alloc.h: Likewise.
	* include/gc_mark.h: Likewise.
	* include/gc_pthread_redirects.h: Likewise.
	* include/gc_typed.h: Likewise.
	* include/new_gc_alloc.h: Likewise.
	* include/private/dbg_mlc.h: Likewise.
	* include/private/gc_hdrs.h: Likewise.
	* include/private/gc_locks.h: Likewise.
	* include/private/gc_pmark.h: Likewise.
	* include/private/gc_priv.h: Likewise.
	* include/private/gcconfig.h: Likewise.
	* include/private/solaris_threads.h: Likewise.
	* include/private/specific.h: Likewise.
	* tests/test.c: Likewise.
	* tests/test_cpp.cc: Likewise.

	* configure: Rebuild.
	* Makefile.in: Rebuild.

	* mips_sgi_mach_dep.s: Add.

	* alpha_mach_dep.s: Remove.
	* irix_threads.c: Remove.
	* linux_threads.c: Remove.
	* mips_sgi_mach_dep.S: Remove.
	* missing: Remove.
	* powerpc_macosx_mach_dep.s: Remove.
	* doc/Makefile.am: Remove.
	* doc/Makefile.in: Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69880 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 50 insertions, 12 deletions

diff --git a/boehm-gc/reclaim.c b/boehm-gc/reclaim.c
index 0418e9dea65..323d420fa40 100644
--- a/boehm-gc/reclaim.c
+++ b/boehm-gc/reclaim.c
@@ -27,23 +27,61 @@ signed_word GC_mem_found = 0;
 	/* nonzero.							*/
 #endif /* PARALLEL_MARK */
 
-static void report_leak(p, sz)
-ptr_t p;
-word sz;
+/* We defer printing of leaked objects until we're done with the GC	*/
+/* cycle, since the routine for printing objects needs to run outside	*/
+/* the collector, e.g. without the allocation lock.			*/
+#define MAX_LEAKED 40
+ptr_t GC_leaked[MAX_LEAKED];
+unsigned GC_n_leaked = 0;
+
+GC_bool GC_have_errors = FALSE;
+
+void GC_add_leaked(leaked)
+ptr_t leaked;
 {
-    if (HDR(p) -> hb_obj_kind == PTRFREE) {
-        GC_err_printf0("Leaked atomic object at ");
-    } else {
-        GC_err_printf0("Leaked composite object at ");
+    if (GC_n_leaked < MAX_LEAKED) {
+      GC_have_errors = TRUE;
+      GC_leaked[GC_n_leaked++] = leaked;
+      /* Make sure it's not reclaimed this cycle */
+        GC_set_mark_bit(leaked);
     }
-    GC_print_heap_obj(p);
-    GC_err_printf0("\n");
 }
 
+static GC_bool printing_errors = FALSE;
+/* Print all objects on the list after printing any smashed objs. 	*/
+/* Clear both lists.							*/
+void GC_print_all_errors ()
+{
+    unsigned i;
+
+    LOCK();
+    if (printing_errors) {
+	UNLOCK();
+	return;
+    }
+    printing_errors = TRUE;
+    UNLOCK();
+    if (GC_debugging_started) GC_print_all_smashed();
+    for (i = 0; i < GC_n_leaked; ++i) {
+	ptr_t p = GC_leaked[i];
+	if (HDR(p) -> hb_obj_kind == PTRFREE) {
+	    GC_err_printf0("Leaked atomic object at ");
+	} else {
+	    GC_err_printf0("Leaked composite object at ");
+	}
+	GC_print_heap_obj(p);
+	GC_err_printf0("\n");
+	GC_free(p);
+	GC_leaked[i] = 0;
+    }
+    GC_n_leaked = 0;
+    printing_errors = FALSE;
+}
+
+
 #   define FOUND_FREE(hblk, word_no) \
       { \
-         report_leak((ptr_t)hblk + WORDS_TO_BYTES(word_no), \
-         	     HDR(hblk) -> hb_sz); \
+         GC_add_leaked((ptr_t)hblk + WORDS_TO_BYTES(word_no)); \
       }
 
 /*
@@ -866,7 +904,7 @@ void GC_print_block_list()
  * Clear *flp.
  * This must be done before dropping a list of free gcj-style objects,
  * since may otherwise end up with dangling "descriptor" pointers.
- * It may help for other pointer-containg objects.
+ * It may help for other pointer-containing objects.
  */
 void GC_clear_fl_links(flp)
 ptr_t *flp;