cmucl-cvs September 2018

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[Git][cmucl/cmucl][master] Fix some typos in comment.
by Raymond Toy 22 Sep '18

22 Sep '18

Raymond Toy pushed to branch master at cmucl / cmucl Commits: 925241a9 by Raymond Toy at 2018-09-22T19:57:52Z Fix some typos in comment. - - - - - 1 changed file: - tests/issues.lisp Changes: ===================================== tests/issues.lisp ===================================== @@ -397,11 +397,11 @@ (sleep 5) (assert-eql :exited (ext:process-status p))))) -;; For some reason this used to work linux CI but not doesn't. But -;; this test passes on my Fedora and debian systems. See issue #64. -;; So until we figure this out, disable this test when we're running a -;; pipeline with linux, but otherwise enable it. The pipeline defines -;; the envvar GITLAB_CI so check for that. +;; For some reason this used to work with linux CI but now doesn't. +;; But this test passes on my Fedora and debian systems. See issue +;; #64. So until we figure this out, disable this test when we're +;; running a pipeline with linux, but otherwise enable it. The +;; pipeline defines the envvar GITLAB_CI so check for that. ;; ;; It would be better if lisp-unit had a way of marking tests as known ;; failures, but it doesn't. View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/925241a9828267cef4a479676… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/925241a9828267cef4a479676… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][master] 2 commits: Fix #69: Always compile in GC assertion code
by Raymond Toy 22 Sep '18

22 Sep '18

Raymond Toy pushed to branch master at cmucl / cmucl Commits: 7b4e019d by Raymond Toy at 2018-09-22T19:50:40Z Fix #69: Always compile in GC assertion code - - - - - 9cb80666 by Raymond Toy at 2018-09-22T19:50:40Z Merge branch 'issue-69-compile-in-gc-assert' into 'master' Fix #69: Always compile in GC assertion code Closes #69 See merge request cmucl/cmucl!41 - - - - - 3 changed files: - src/code/exports.lisp - src/code/gc.lisp - src/lisp/gencgc.c Changes: ===================================== src/code/exports.lisp ===================================== @@ -1566,6 +1566,10 @@ "*TRUST-DYNAMIC-EXTENT-DECLARATIONS*" "INVALID-FASL") + ;; gencgc features + #+gencgc + (:export "GET-GC-ASSERTIONS" + "SET-GC-ASSERTIONS") ;; run-program (:export "RUN-PROGRAM" "PROCESS-ALIVE-P" "PROCESS-CLOSE" ===================================== src/code/gc.lisp ===================================== @@ -22,7 +22,9 @@ *bytes-consed-between-gcs* *gc-verbose* *gc-inhibit-hook* *gc-notify-before* *gc-notify-after* get-bytes-consed *gc-run-time* bytes-consed-between-gcs - get-bytes-consed-dfixnum)) + get-bytes-consed-dfixnum + get-gc-assertions + set-gc-assertions)) (in-package "LISP") (export '(room)) @@ -72,10 +74,63 @@ (progn (alien:def-alien-routine get_bytes_allocated_lower c-call:int) (alien:def-alien-routine get_bytes_allocated_upper c-call:int) - (defun dynamic-usage () (dfixnum:dfixnum-pair-integer - (get_bytes_allocated_upper) (get_bytes_allocated_lower)))) + (get_bytes_allocated_upper) (get_bytes_allocated_lower))) + + ;; Controls GC assertions that are enabled in the runtime. A value + ;; of 0 disables all assertions (the normal default). + (alien:def-alien-variable ("gc_assert_level" gc-assert-level) c-call:int) + (alien:def-alien-variable ("verify_after_free_heap" gc-verify-after-free-heap) c-call:int) + (alien:def-alien-variable ("pre_verify_gen_0" gc-verify-new-objects) c-call:int) + (alien:def-alien-variable ("verify_gens" gc-verify-generations) c-call:int) + (defun get-gc-assertions () + "Returns a list of the current GC assertion settings. The list is + in the same format as the keyword arguments to SET-GC-ASSERTIONS, + i.e., + + (apply #'set-gc-assertions (get-gc-assertions)) + + See SET-GC-ASSERTIONS for more information." + (list :assert-level gc-assert-level + :verify-after-free-heap (not (zerop gc-verify-after-free-heap)) + :verify-generations gc-verify-generations + :verify-new-objects (not (zerop gc-verify-new-objects)))) + (defun set-gc-assertions (&key (assert-level 0 assert-level-p) + (verify-after-free-heap nil verify-after-free-heap-p) + (verify-generations 6 verify-generations-p) + (verify-new-objects nil verify-new-objects-p)) + "Set GC assertion to the specified value: + :ASSERT-LEVEL + Defaults to 0, higher values indicate more assertions are enabled. + + :VERIFY-AFTER-FREE-HEAP + If non-NIL, the heap is verified for consistency whenever + part of the heap is collected. + + :VERIFY-GENERATIONS + Set to generation number. When GC occurs, generations + equal to or higher than this value are checked for + consistency. + + :VERIFY-NEW-OBJECTS + When GC occurs for the newest generation, the heap for this + generation is checked for validity. +" + (declare (type (and fixnum unsigned-byte) assert-level) + (type boolean verify-after-free-heap) + (type (integer 0 6) verify-generations) + (type boolean verify-new-objects)) + (when assert-level-p + (setf gc-assert-level assert-level)) + (when verify-after-free-heap-p + (setf gc-verify-after-free-heap (if verify-after-free-heap 1 0))) + (when verify-generations-p + (setf gc-verify-generations verify-generations)) + (when verify-new-objects-p + (setf gc-verify-new-objects (if verify-new-objects 1 0))) + (values)) + ) #+cgc (c-var-frob dynamic-usage "bytes_allocated") ===================================== src/lisp/gencgc.c ===================================== @@ -148,14 +148,8 @@ /* Define for activating assertions. */ -#if defined(x86) && defined(SOLARIS) -#define GC_ASSERTIONS 1 -#endif - /* Check for references to stack-allocated objects. */ -#ifdef GC_ASSERTIONS - static void *invalid_stack_start, *invalid_stack_end; static inline void @@ -214,17 +208,19 @@ check_escaped_stack_object(lispobj * where, lispobj obj) #endif } -#endif /* GC_ASSERTIONS */ +#if defined(x86) && defined(SOLARIS) +#define DEFAULT_GC_ASSERT_LEVEL 1 +#else +#define DEFAULT_GC_ASSERT_LEVEL 0 +#endif + +int gc_assert_level = DEFAULT_GC_ASSERT_LEVEL; -#ifdef GC_ASSERTIONS #define gc_assert(ex) \ do { \ if (!(ex)) gc_abort (); \ } while (0) -#else -#define gc_assert(ex) (void) (ex) -#endif /* @@ -264,15 +260,15 @@ int verify_gens = NUM_GENERATIONS; * makes GC very, very slow, so don't enable this unless you really * need it!) */ -boolean pre_verify_gen_0 = FALSE; +int pre_verify_gen_0 = FALSE; /* * Enable checking for bad pointers after gc_free_heap called from purify. */ #if 0 && defined(DARWIN) -boolean verify_after_free_heap = TRUE; +int verify_after_free_heap = TRUE; #else -boolean verify_after_free_heap = FALSE; +int verify_after_free_heap = FALSE; #endif /* @@ -690,7 +686,6 @@ count_dont_move_pages(void) * Work through the pages and add up the number of bytes used for the * given generation. */ -#ifdef GC_ASSERTIONS static int generation_bytes_allocated(int generation) { @@ -707,7 +702,6 @@ generation_bytes_allocated(int generation) } return bytes_allocated; } -#endif /* * Return the average age of the memory in a generation. @@ -810,10 +804,11 @@ print_generation_stats(int verbose) } } -#ifdef GC_ASSERTIONS - gc_assert(generations[i].bytes_allocated == - generation_bytes_allocated(i)); -#endif + if (gc_assert_level > 0) { + gc_assert(generations[i].bytes_allocated == + generation_bytes_allocated(i)); + } + fprintf(stderr, " %5d: %5d %5d %5d %5d %10d %6d %10d %4d %3d %7.4f\n", i, boxed_cnt, unboxed_cnt, large_boxed_cnt, large_unboxed_cnt, generations[i].bytes_allocated, @@ -1070,9 +1065,11 @@ gc_alloc_new_region(int nbytes, int unboxed, struct alloc_region *alloc_region) #endif /* Check that the region is in a reset state. */ - gc_assert(alloc_region->first_page == 0 - && alloc_region->last_page == -1 - && alloc_region->free_pointer == alloc_region->end_addr); + if (gc_assert_level > 0) { + gc_assert(alloc_region->first_page == 0 + && alloc_region->last_page == -1 + && alloc_region->free_pointer == alloc_region->end_addr); + } if (unboxed) restart_page = @@ -1120,7 +1117,9 @@ gc_alloc_new_region(int nbytes, int unboxed, struct alloc_region *alloc_region) #endif } - gc_assert(!PAGE_WRITE_PROTECTED(first_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(first_page)); + } #if 0 fprintf(stderr, " first_page=%d bytes_used=%d\n", @@ -1142,14 +1141,17 @@ gc_alloc_new_region(int nbytes, int unboxed, struct alloc_region *alloc_region) last_page++; num_pages++; bytes_found += GC_PAGE_SIZE; - gc_assert(!PAGE_WRITE_PROTECTED(last_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(last_page)); + } } region_size = (GC_PAGE_SIZE - page_table[first_page].bytes_used) + GC_PAGE_SIZE * (last_page - first_page); - gc_assert(bytes_found == region_size); - + if (gc_assert_level > 0) { + gc_assert(bytes_found == region_size); + } #if 0 fprintf(stderr, " last_page=%d bytes_found=%d num_pages=%d\n", last_page, bytes_found, num_pages); @@ -1209,11 +1211,13 @@ gc_alloc_new_region(int nbytes, int unboxed, struct alloc_region *alloc_region) page_table[first_page].first_object_offset = 0; } - gc_assert(PAGE_ALLOCATED(first_page)); - gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); - gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); - gc_assert(!PAGE_LARGE_OBJECT(first_page)); - + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(first_page)); + gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); + gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); + gc_assert(!PAGE_LARGE_OBJECT(first_page)); + } + for (i = first_page + 1; i <= last_page; i++) { PAGE_FLAGS_UPDATE(i, PAGE_ALLOCATED_MASK | PAGE_LARGE_OBJECT_MASK | PAGE_UNBOXED_MASK | PAGE_GENERATION_MASK, @@ -1371,8 +1375,10 @@ gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region) if (alloc_region->free_pointer != alloc_region->start_addr) { orig_first_page_bytes_used = page_table[first_page].bytes_used; - gc_assert(alloc_region->start_addr == page_address(first_page) + - page_table[first_page].bytes_used); + if (gc_assert_level > 0) { + gc_assert(alloc_region->start_addr == page_address(first_page) + + page_table[first_page].bytes_used); + } /* All the pages used need to be updated */ @@ -1383,13 +1389,18 @@ gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region) #endif /* If the page was free then setup the gen, and first_object_offset. */ - if (page_table[first_page].bytes_used == 0) - gc_assert(page_table[first_page].first_object_offset == 0); + if (page_table[first_page].bytes_used == 0) { + if (gc_assert_level > 0) { + gc_assert(page_table[first_page].first_object_offset == 0); + } + } - gc_assert(PAGE_ALLOCATED(first_page)); - gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); - gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); - gc_assert(!PAGE_LARGE_OBJECT(first_page)); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(first_page)); + gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); + gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); + gc_assert(!PAGE_LARGE_OBJECT(first_page)); + } byte_cnt = 0; @@ -1415,14 +1426,15 @@ gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region) #if 0 fprintf(stderr, "+"); #endif - gc_assert(PAGE_ALLOCATED(next_page)); - gc_assert(PAGE_UNBOXED_VAL(next_page) == unboxed); - gc_assert(page_table[next_page].bytes_used == 0); - gc_assert(PAGE_GENERATION(next_page) == gc_alloc_generation); - gc_assert(!PAGE_LARGE_OBJECT(next_page)); - - gc_assert(page_table[next_page].first_object_offset == - alloc_region->start_addr - page_address(next_page)); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(next_page)); + gc_assert(PAGE_UNBOXED_VAL(next_page) == unboxed); + gc_assert(page_table[next_page].bytes_used == 0); + gc_assert(PAGE_GENERATION(next_page) == gc_alloc_generation); + gc_assert(!PAGE_LARGE_OBJECT(next_page)); + gc_assert(page_table[next_page].first_object_offset == + alloc_region->start_addr - page_address(next_page)); + } /* Calc. the number of bytes used in this page. */ more = 0; @@ -1441,7 +1453,9 @@ gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region) bytes_allocated += region_size; generations[gc_alloc_generation].bytes_allocated += region_size; - gc_assert(byte_cnt - orig_first_page_bytes_used == region_size); + if (gc_assert_level > 0) { + gc_assert(byte_cnt - orig_first_page_bytes_used == region_size); + } /* * Set the generations alloc restart page to the last page of @@ -1471,7 +1485,9 @@ gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region) /* Unallocate any unused pages. */ while (next_page <= alloc_region->last_page) { - gc_assert(page_table[next_page].bytes_used == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[next_page].bytes_used == 0); + } page_table[next_page].flags &= ~PAGE_ALLOCATED_MASK; next_page++; } @@ -1591,7 +1607,9 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) break; #endif } - gc_assert(!PAGE_WRITE_PROTECTED(first_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(first_page)); + } #if 0 fprintf(stderr, " first_page=%d bytes_used=%d\n", @@ -1607,13 +1625,17 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) last_page++; num_pages++; bytes_found += GC_PAGE_SIZE; - gc_assert(!PAGE_WRITE_PROTECTED(last_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(last_page)); + } } region_size = (GC_PAGE_SIZE - page_table[first_page].bytes_used) + GC_PAGE_SIZE * (last_page - first_page); - gc_assert(bytes_found == region_size); + if (gc_assert_level > 0) { + gc_assert(bytes_found == region_size); + } #if 0 fprintf(stderr, " last_page=%d bytes_found=%d num_pages=%d\n", @@ -1641,7 +1663,9 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) page_address(first_page)); #endif - gc_assert(first_page > alloc_region->last_page); + if (gc_assert_level > 0) { + gc_assert(first_page > alloc_region->last_page); + } if (unboxed) generations[gc_alloc_generation].alloc_large_unboxed_start_page = last_page; @@ -1669,10 +1693,12 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) page_table[first_page].first_object_offset = 0; } - gc_assert(PAGE_ALLOCATED(first_page)); - gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); - gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); - gc_assert(PAGE_LARGE_OBJECT_VAL(first_page) == large); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(first_page)); + gc_assert(PAGE_UNBOXED_VAL(first_page) == unboxed); + gc_assert(PAGE_GENERATION(first_page) == gc_alloc_generation); + gc_assert(PAGE_LARGE_OBJECT_VAL(first_page) == large); + } byte_cnt = 0; @@ -1701,8 +1727,10 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) fprintf(stderr, "+"); #endif - gc_assert(!PAGE_ALLOCATED(next_page)); - gc_assert(page_table[next_page].bytes_used == 0); + if (gc_assert_level > 0) { + gc_assert(!PAGE_ALLOCATED(next_page)); + gc_assert(page_table[next_page].bytes_used == 0); + } if ((gencgc_unmap_zero == MODE_MADVISE) || (gencgc_unmap_zero == MODE_LAZY)) { @@ -1727,7 +1755,9 @@ gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region) next_page++; } - gc_assert(byte_cnt - orig_first_page_bytes_used == nbytes); + if (gc_assert_level > 0) { + gc_assert(byte_cnt - orig_first_page_bytes_used == nbytes); + } bytes_allocated += nbytes; generations[gc_alloc_generation].bytes_allocated += nbytes; @@ -1934,7 +1964,9 @@ gc_alloc_region(int nbytes, struct alloc_region *region, int unboxed, struct all } /* Shouldn't happen? */ - gc_assert(0); + if (gc_assert_level > 0) { + gc_assert(0); + } return 0; } @@ -2244,9 +2276,11 @@ copy_object(lispobj object, int nwords) lispobj *new; lispobj *source, *dest; - gc_assert(Pointerp(object)); - gc_assert(from_space_p(object)); - gc_assert((nwords & 0x01) == 0); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + gc_assert(from_space_p(object)); + gc_assert((nwords & 0x01) == 0); + } /* get tag of object */ tag = LowtagOf(object); @@ -2286,9 +2320,11 @@ copy_large_object(lispobj object, int nwords) lispobj *source, *dest; int first_page; - gc_assert(Pointerp(object)); - gc_assert(from_space_p(object)); - gc_assert((nwords & 0x01) == 0); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + gc_assert(from_space_p(object)); + gc_assert((nwords & 0x01) == 0); + } if (gencgc_verbose && nwords > 1024 * 1024) fprintf(stderr, "** copy_large_object: %lu\n", @@ -2296,7 +2332,9 @@ copy_large_object(lispobj object, int nwords) /* Check if it's a large object. */ first_page = find_page_index((void *) object); - gc_assert(first_page >= 0); + if (gc_assert_level > 0) { + gc_assert(first_page >= 0); + } if (PAGE_LARGE_OBJECT(first_page)) { /* Promote the object. */ @@ -2314,18 +2352,22 @@ copy_large_object(lispobj object, int nwords) * anyway?). */ - gc_assert(page_table[first_page].first_object_offset == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[first_page].first_object_offset == 0); + } next_page = first_page; remaining_bytes = nwords * sizeof(lispobj); while (remaining_bytes > GC_PAGE_SIZE) { - gc_assert(PAGE_GENERATION(next_page) == from_space); - gc_assert(PAGE_ALLOCATED(next_page)); - gc_assert(!PAGE_UNBOXED(next_page)); - gc_assert(PAGE_LARGE_OBJECT(next_page)); - gc_assert(page_table[next_page].first_object_offset == - GC_PAGE_SIZE * (first_page - next_page)); - gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + if (gc_assert_level > 0) { + gc_assert(PAGE_GENERATION(next_page) == from_space); + gc_assert(PAGE_ALLOCATED(next_page)); + gc_assert(!PAGE_UNBOXED(next_page)); + gc_assert(PAGE_LARGE_OBJECT(next_page)); + gc_assert(page_table[next_page].first_object_offset == + GC_PAGE_SIZE * (first_page - next_page)); + gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + } PAGE_FLAGS_UPDATE(next_page, PAGE_GENERATION_MASK, new_space); @@ -2348,11 +2390,15 @@ copy_large_object(lispobj object, int nwords) */ /* Object may have shrunk but shouldn't have grown - check. */ - gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + if (gc_assert_level > 0) { + gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + } PAGE_FLAGS_UPDATE(next_page, PAGE_GENERATION_MASK, new_space); - gc_assert(PAGE_ALLOCATED(next_page)); - gc_assert(!PAGE_UNBOXED(next_page)); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(next_page)); + gc_assert(!PAGE_UNBOXED(next_page)); + } /* Adjust the bytes_used. */ old_bytes_used = page_table[next_page].bytes_used; @@ -2376,7 +2422,9 @@ copy_large_object(lispobj object, int nwords) * object. These pages shouldn't be write protected as they * should be zero filled. */ - gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + } old_bytes_used = page_table[next_page].bytes_used; page_table[next_page].flags &= ~PAGE_ALLOCATED_MASK; @@ -2429,9 +2477,11 @@ copy_unboxed_object(lispobj object, int nwords) lispobj *new; lispobj *source, *dest; - gc_assert(Pointerp(object)); - gc_assert(from_space_p(object)); - gc_assert((nwords & 0x01) == 0); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + gc_assert(from_space_p(object)); + gc_assert((nwords & 0x01) == 0); + } /* get tag of object */ tag = LowtagOf(object); @@ -2472,9 +2522,11 @@ copy_large_unboxed_object(lispobj object, int nwords) lispobj *source, *dest; int first_page; - gc_assert(Pointerp(object)); - gc_assert(from_space_p(object)); - gc_assert((nwords & 0x01) == 0); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + gc_assert(from_space_p(object)); + gc_assert((nwords & 0x01) == 0); + } if (gencgc_verbose && nwords > 1024 * 1024) fprintf(stderr, "** copy_large_unboxed_object: %lu\n", @@ -2482,7 +2534,9 @@ copy_large_unboxed_object(lispobj object, int nwords) /* Check if it's a large object. */ first_page = find_page_index((void *) object); - gc_assert(first_page >= 0); + if (gc_assert_level > 0) { + gc_assert(first_page >= 0); + } if (PAGE_LARGE_OBJECT(first_page)) { /* @@ -2496,17 +2550,21 @@ copy_large_unboxed_object(lispobj object, int nwords) int old_bytes_used; int mmask, mflags; - gc_assert(page_table[first_page].first_object_offset == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[first_page].first_object_offset == 0); + } next_page = first_page; remaining_bytes = nwords * sizeof(lispobj); while (remaining_bytes > GC_PAGE_SIZE) { - gc_assert(PAGE_GENERATION(next_page) == from_space); - gc_assert(PAGE_ALLOCATED(next_page)); - gc_assert(PAGE_LARGE_OBJECT(next_page)); - gc_assert(page_table[next_page].first_object_offset == - GC_PAGE_SIZE * (first_page - next_page)); - gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + if (gc_assert_level > 0) { + gc_assert(PAGE_GENERATION(next_page) == from_space); + gc_assert(PAGE_ALLOCATED(next_page)); + gc_assert(PAGE_LARGE_OBJECT(next_page)); + gc_assert(page_table[next_page].first_object_offset == + GC_PAGE_SIZE * (first_page - next_page)); + gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + } PAGE_FLAGS_UPDATE(next_page, PAGE_UNBOXED_MASK | PAGE_GENERATION_MASK, @@ -2521,7 +2579,9 @@ copy_large_unboxed_object(lispobj object, int nwords) */ /* Object may have shrunk but shouldn't have grown - check. */ - gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + if (gc_assert_level > 0) { + gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + } PAGE_FLAGS_UPDATE(next_page, PAGE_ALLOCATED_MASK | PAGE_UNBOXED_MASK | PAGE_GENERATION_MASK, @@ -2549,7 +2609,9 @@ copy_large_unboxed_object(lispobj object, int nwords) * object. These pages shouldn't be write protected, even if * boxed they should be zero filled. */ - gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + } old_bytes_used = page_table[next_page].bytes_used; page_table[next_page].flags &= ~PAGE_ALLOCATED_MASK; @@ -2667,15 +2729,17 @@ scavenge(void *start_obj, long nwords) object = *start; /* Not a forwarding pointer. */ - gc_assert(object != 0x01); + if (gc_assert_level > 0) { + gc_assert(object != 0x01); + } #if DIRECT_SCAV words_scavenged = scavtab[TypeOf(object)] (start, object); #else /* not DIRECT_SCAV */ if (Pointerp(object)) { -#ifdef GC_ASSERTIONS - check_escaped_stack_object(start, object); -#endif + if (gc_assert_level > 0) { + check_escaped_stack_object(start, object); + } if (from_space_p(object)) { lispobj *ptr = (lispobj *) PTR(object); @@ -2739,7 +2803,9 @@ scavenge(void *start_obj, long nwords) nwords -= words_scavenged; } - gc_assert(nwords == 0); + if (gc_assert_level > 0) { + gc_assert(nwords == 0); + } } @@ -2943,7 +3009,9 @@ static lispobj trans_boxed(lispobj object); static int scav_function_pointer(lispobj * where, lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } if (from_space_p(object)) { lispobj first, *first_pointer; @@ -2989,8 +3057,10 @@ scav_function_pointer(lispobj * where, lispobj object) first = copy; } - gc_assert(Pointerp(first)); - gc_assert(!from_space_p(first)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(first)); + gc_assert(!from_space_p(first)); + } *where = first; } @@ -3003,7 +3073,9 @@ scav_function_pointer(lispobj * where, lispobj object) lispobj *first_pointer; lispobj copy; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } /* Object is a pointer into from space - no a FP. */ first_pointer = (lispobj *) PTR(object); @@ -3029,8 +3101,10 @@ scav_function_pointer(lispobj * where, lispobj object) first_pointer[1] = copy; } - gc_assert(Pointerp(copy)); - gc_assert(!from_space_p(copy)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(copy)); + gc_assert(!from_space_p(copy)); + } *where = copy; @@ -3407,7 +3481,9 @@ trans_code(struct code *code) } - gc_assert(TypeOf(code->header) == type_CodeHeader); + if (gc_assert_level > 0) { + gc_assert(TypeOf(code->header) == type_CodeHeader); + } /* prepare to transport the code vector */ l_code = (lispobj) code | type_OtherPointer; @@ -3449,7 +3525,9 @@ trans_code(struct code *code) lispobj nfheaderl; fheaderp = (struct function *) PTR(fheaderl); - gc_assert(TypeOf(fheaderp->header) == type_FunctionHeader); + if (gc_assert_level > 0) { + gc_assert(TypeOf(fheaderp->header) == type_FunctionHeader); + } /* * Calcuate the new function pointer and the new function header. @@ -3510,7 +3588,9 @@ scav_code_header(lispobj * where, lispobj object) fheaderl = code->entry_points; while (fheaderl != NIL) { fheaderp = (struct function *) PTR(fheaderl); - gc_assert(TypeOf(fheaderp->header) == type_FunctionHeader); + if (gc_assert_level > 0) { + gc_assert(TypeOf(fheaderp->header) == type_FunctionHeader); + } scavenge(&fheaderp->name, 1); scavenge(&fheaderp->arglist, 1); @@ -3693,7 +3773,9 @@ scav_instance_pointer(lispobj * where, lispobj object) first = first_pointer[1]; else { first = trans_boxed(object); - gc_assert(first != object); + if (gc_assert_level > 0) { + gc_assert(first != object); + } /* Set forwarding pointer */ first_pointer[0] = 0x01; first_pointer[1] = first; @@ -3711,7 +3793,9 @@ scav_instance_pointer(lispobj * where, lispobj object) /* Object is a pointer into from space - not a FP */ copy = trans_boxed(object); - gc_assert(copy != object); + if (gc_assert_level > 0) { + gc_assert(copy != object); + } first_pointer = (lispobj *) PTR(object); @@ -3733,7 +3817,9 @@ static lispobj trans_list(lispobj object); static int scav_list_pointer(lispobj * where, lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } if (from_space_p(object)) { lispobj first, *first_pointer; @@ -3756,8 +3842,11 @@ scav_list_pointer(lispobj * where, lispobj object) first_pointer[1] = first; } - gc_assert(Pointerp(first)); - gc_assert(!from_space_p(first)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(first)); + gc_assert(!from_space_p(first)); + } + *where = first; } return 1; @@ -3768,12 +3857,16 @@ scav_list_pointer(lispobj * where, lispobj object) { lispobj first, *first_pointer; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } /* Object is a pointer into from space - not FP */ first = trans_list(object); - gc_assert(first != object); + if (gc_assert_level > 0) { + gc_assert(first != object); + } first_pointer = (lispobj *) PTR(object); @@ -3781,8 +3874,11 @@ scav_list_pointer(lispobj * where, lispobj object) first_pointer[0] = 0x01; first_pointer[1] = first; - gc_assert(Pointerp(first)); - gc_assert(!from_space_p(first)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(first)); + gc_assert(!from_space_p(first)); + } + *where = first; return 1; } @@ -3795,7 +3891,9 @@ trans_list(lispobj object) struct cons *cons, *new_cons; lispobj cdr; - gc_assert(from_space_p(object)); + if (gc_assert_level > 0) { + gc_assert(from_space_p(object)); + } cons = (struct cons *) PTR(object); @@ -3857,7 +3955,9 @@ trans_list(lispobj object) static int scav_other_pointer(lispobj * where, lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } if (from_space_p(object)) { lispobj first, *first_pointer; @@ -3884,8 +3984,10 @@ scav_other_pointer(lispobj * where, lispobj object) } } - gc_assert(Pointerp(first)); - gc_assert(!from_space_p(first)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(first)); + gc_assert(!from_space_p(first)); + } } return 1; } @@ -3895,7 +3997,9 @@ scav_other_pointer(lispobj * where, lispobj object) { lispobj first, *first_pointer; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } /* Object is a pointer into from space - not FP */ first_pointer = (lispobj *) PTR(object); @@ -3909,8 +4013,10 @@ scav_other_pointer(lispobj * where, lispobj object) *where = first; } - gc_assert(Pointerp(first)); - gc_assert(!from_space_p(first)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(first)); + gc_assert(!from_space_p(first)); + } return 1; } @@ -3958,7 +4064,9 @@ trans_boxed(lispobj object) lispobj header; unsigned long length; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } header = *((lispobj *) PTR(object)); length = HeaderValue(header) + 1; @@ -3973,7 +4081,9 @@ trans_boxed_large(lispobj object) lispobj header; unsigned long length; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } header = *((lispobj *) PTR(object)); length = HeaderValue(header) + 1; @@ -4035,7 +4145,9 @@ trans_unboxed(lispobj object) unsigned long length; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } header = *((lispobj *) PTR(object)); length = HeaderValue(header) + 1; @@ -4051,7 +4163,9 @@ trans_unboxed_large(lispobj object) unsigned long length; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } header = *((lispobj *) PTR(object)); length = HeaderValue(header) + 1; @@ -4116,7 +4230,9 @@ scav_string(lispobj * where, lispobj object) static lispobj trans_string(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_string((lispobj *) PTR(object))); } @@ -4212,7 +4328,9 @@ free_hash_entry(struct hash_table *hash_table, int hash_index, int kv_index) unsigned *next_vector = u32_vector(hash_table->next_vector, 0); int free_p = 1; - gc_assert(length != UINT_MAX); + if (gc_assert_level > 0) { + gc_assert(length != UINT_MAX); + } if (index_vector[hash_index] == kv_index) /* The entry is the first in the collinion chain. @@ -4239,7 +4357,10 @@ free_hash_entry(struct hash_table *hash_table, int hash_index, int kv_index) unsigned hash_index; lispobj empty_symbol; - gc_assert(count > 0); + if (gc_assert_level > 0) { + gc_assert(count > 0); + } + hash_table->number_entries = make_fixnum(count - 1); next_vector[kv_index] = fixnum_value(hash_table->next_free_kv); hash_table->next_free_kv = make_fixnum(kv_index); @@ -4420,11 +4541,13 @@ scav_hash_entries(struct hash_table *hash_table, lispobj weak, int removep) next_vector = u32_vector(hash_table->next_vector, &next_vector_length); hash_vector = u32_vector(hash_table->hash_vector, 0); - gc_assert(length != UINT_MAX); - gc_assert(next_vector_length != UINT_MAX); + if (gc_assert_level > 0) { + gc_assert(length != UINT_MAX); + gc_assert(next_vector_length != UINT_MAX); - gc_assert(index_vector && next_vector); - gc_assert(next_vector_length * 2 == kv_length); + gc_assert(index_vector && next_vector); + gc_assert(next_vector_length * 2 == kv_length); + } for (i = 1; i < next_vector_length; i++) { lispobj old_key = kv_vector[2 * i]; @@ -4499,8 +4622,10 @@ scav_weak_entries(struct hash_table *hash_table) u32_vector(hash_table->next_vector, &next_vector_length); hash_vector = u32_vector(hash_table->hash_vector, 0); - gc_assert(length != UINT_MAX); - gc_assert(next_vector_length != UINT_MAX); + if (gc_assert_level > 0) { + gc_assert(length != UINT_MAX); + gc_assert(next_vector_length != UINT_MAX); + } for (i = 1; i < next_vector_length; i++) { lispobj old_key = kv_vector[2 * i]; @@ -4637,8 +4762,10 @@ scav_hash_vector(lispobj * where, lispobj object) scavenge(kv_vector, 2); - gc_assert(Pointerp(kv_vector[0])); - gc_assert(Pointerp(kv_vector[1])); + if (gc_assert_level > 0) { + gc_assert(Pointerp(kv_vector[0])); + gc_assert(Pointerp(kv_vector[1])); + } hash_table_obj = kv_vector[0]; hash_table = (struct hash_table *) PTR(hash_table_obj); @@ -4666,10 +4793,14 @@ scav_hash_vector(lispobj * where, lispobj object) #endif #if !(defined(sparc) || (defined(DARWIN) && defined(__ppc__))) - gc_assert(where == (lispobj *) PTR(hash_table->table)); + if (gc_assert_level > 0) { + gc_assert(where == (lispobj *) PTR(hash_table->table)); + } #endif - gc_assert(TypeOf(hash_table->instance_header) == type_InstanceHeader); - gc_assert(TypeOf(*(lispobj *) PTR(empty_symbol)) == type_SymbolHeader); + if (gc_assert_level > 0) { + gc_assert(TypeOf(hash_table->instance_header) == type_InstanceHeader); + gc_assert(TypeOf(*(lispobj *) PTR(empty_symbol)) == type_SymbolHeader); + } /* Scavenging the hash table which fix the positions of the other needed objects. */ @@ -4679,18 +4810,16 @@ scav_hash_vector(lispobj * where, lispobj object) } #endif -#ifdef GC_ASSERTIONS - { + if (gc_assert_level > 0) { /* * Check to see that hash-table-rehash-threshold is a single * float in the range (0, 1] */ lispobj threshold_obj = (lispobj) hash_table->rehash_threshold; - float* raw_slots = PTR(threshold_obj); - float threshold = raw_slots[2]; + struct single_float* float_slot = (struct single_float*) PTR(threshold_obj); + float threshold = float_slot->value; gc_assert(threshold > 0 && threshold <= 1); } -#endif scavenge((lispobj *) hash_table, HASH_TABLE_SIZE); @@ -4725,7 +4854,9 @@ size_vector(lispobj * where) static lispobj trans_vector(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_object(object, size_vector((lispobj *) PTR(object))); } @@ -4755,7 +4886,9 @@ scav_vector_bit(lispobj * where, lispobj object) static lispobj trans_vector_bit(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_bit((lispobj *) PTR(object))); } @@ -4786,7 +4919,9 @@ scav_vector_unsigned_byte_2(lispobj * where, lispobj object) static lispobj trans_vector_unsigned_byte_2(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_unsigned_byte_2((lispobj *) PTR(object))); @@ -4818,7 +4953,9 @@ scav_vector_unsigned_byte_4(lispobj * where, lispobj object) static lispobj trans_vector_unsigned_byte_4(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_unsigned_byte_4((lispobj *) PTR(object))); @@ -4850,7 +4987,9 @@ scav_vector_unsigned_byte_8(lispobj * where, lispobj object) static lispobj trans_vector_unsigned_byte_8(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_unsigned_byte_8((lispobj *) PTR(object))); @@ -4882,7 +5021,9 @@ scav_vector_unsigned_byte_16(lispobj * where, lispobj object) static lispobj trans_vector_unsigned_byte_16(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_unsigned_byte_16((lispobj *) PTR(object))); @@ -4914,7 +5055,9 @@ scav_vector_unsigned_byte_32(lispobj * where, lispobj object) static lispobj trans_vector_unsigned_byte_32(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_unsigned_byte_32((lispobj *) PTR(object))); @@ -4946,7 +5089,9 @@ scav_vector_single_float(lispobj * where, lispobj object) static lispobj trans_vector_single_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_single_float((lispobj *) PTR(object))); @@ -4978,7 +5123,9 @@ scav_vector_double_float(lispobj * where, lispobj object) static lispobj trans_vector_double_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_double_float((lispobj *) PTR(object))); @@ -5011,7 +5158,9 @@ scav_vector_long_float(lispobj * where, lispobj object) static lispobj trans_vector_long_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_long_float((lispobj *) PTR(object))); @@ -5041,7 +5190,9 @@ scav_vector_double_double_float(lispobj * where, lispobj object) static lispobj trans_vector_double_double_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_double_double_float((lispobj *) PTR(object))); @@ -5074,7 +5225,9 @@ scav_vector_complex_single_float(lispobj * where, lispobj object) static lispobj trans_vector_complex_single_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_complex_single_float( (lispobj @@ -5110,7 +5263,9 @@ scav_vector_complex_double_float(lispobj * where, lispobj object) static lispobj trans_vector_complex_double_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_complex_double_float( (lispobj @@ -5147,7 +5302,9 @@ scav_vector_complex_long_float(lispobj * where, lispobj object) static lispobj trans_vector_complex_long_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_complex_long_float((lispobj *) PTR @@ -5178,7 +5335,9 @@ scav_vector_complex_double_double_float(lispobj * where, lispobj object) static lispobj trans_vector_complex_double_double_float(lispobj object) { - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } return copy_large_unboxed_object(object, size_vector_complex_double_double_float((lispobj *) PTR @@ -5219,7 +5378,9 @@ trans_weak_pointer(lispobj object) { lispobj copy; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } copy = copy_object(object, WEAK_POINTER_NWORDS); #if 0 fprintf(stderr, "Transport weak pointer %p to %p\n", object, copy); @@ -5303,7 +5464,9 @@ trans_scavenger_hook(lispobj object) { lispobj copy; - gc_assert(Pointerp(object)); + if (gc_assert_level > 0) { + gc_assert(Pointerp(object)); + } #if 0 printf("Transporting scav pointer from 0x%08x\n", object); #endif @@ -6034,7 +6197,9 @@ maybe_adjust_large_object(lispobj * where) nwords = (sizetab[TypeOf(where[0])]) (where); first_page = find_page_index((void *) where); - gc_assert(first_page >= 0); + if (gc_assert_level > 0) { + gc_assert(first_page >= 0); + } /* * Note: Any page write protection must be removed, else a later @@ -6043,17 +6208,21 @@ maybe_adjust_large_object(lispobj * where) * lets do it for them all (they'll probably be written anyway?). */ - gc_assert(page_table[first_page].first_object_offset == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[first_page].first_object_offset == 0); + } next_page = first_page; remaining_bytes = nwords * sizeof(lispobj); while (remaining_bytes > GC_PAGE_SIZE) { - gc_assert(PAGE_GENERATION(next_page) == from_space); - gc_assert(PAGE_ALLOCATED(next_page)); - gc_assert(PAGE_LARGE_OBJECT(next_page)); - gc_assert(page_table[next_page].first_object_offset == - GC_PAGE_SIZE * (first_page - next_page)); - gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + if (gc_assert_level > 0) { + gc_assert(PAGE_GENERATION(next_page) == from_space); + gc_assert(PAGE_ALLOCATED(next_page)); + gc_assert(PAGE_LARGE_OBJECT(next_page)); + gc_assert(page_table[next_page].first_object_offset == + GC_PAGE_SIZE * (first_page - next_page)); + gc_assert(page_table[next_page].bytes_used == GC_PAGE_SIZE); + } PAGE_FLAGS_UPDATE(next_page, PAGE_UNBOXED_MASK, unboxed << PAGE_UNBOXED_SHIFT); @@ -6062,7 +6231,9 @@ maybe_adjust_large_object(lispobj * where) * Shouldn't be write protected at this stage. Essential that the * pages aren't. */ - gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + } remaining_bytes -= GC_PAGE_SIZE; next_page++; } @@ -6073,12 +6244,16 @@ maybe_adjust_large_object(lispobj * where) */ /* Object may have shrunk but shouldn't have grown - check. */ - gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + if (gc_assert_level > 0) { + gc_assert(page_table[next_page].bytes_used >= remaining_bytes); + } page_table[next_page].flags |= PAGE_ALLOCATED_MASK; PAGE_FLAGS_UPDATE(next_page, PAGE_UNBOXED_MASK, unboxed << PAGE_UNBOXED_SHIFT); - gc_assert(PAGE_UNBOXED(next_page) == PAGE_UNBOXED(first_page)); + if (gc_assert_level > 0) { + gc_assert(PAGE_UNBOXED(next_page) == PAGE_UNBOXED(first_page)); + } /* Adjust the bytes_used. */ old_bytes_used = page_table[next_page].bytes_used; @@ -6103,7 +6278,9 @@ maybe_adjust_large_object(lispobj * where) * object. These pages shouldn't be write protected as they should * be zero filled. */ - gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(next_page)); + } old_bytes_used = page_table[next_page].bytes_used; page_table[next_page].flags &= ~PAGE_ALLOCATED_MASK; @@ -6177,10 +6354,12 @@ preserve_pointer(void *addr) while (page_table[first_page].first_object_offset != 0) { first_page--; /* Do some checks */ - gc_assert(page_table[first_page].bytes_used == GC_PAGE_SIZE); - gc_assert(PAGE_GENERATION(first_page) == from_space); - gc_assert(PAGE_ALLOCATED(first_page)); - gc_assert(PAGE_UNBOXED(first_page) == region_unboxed); + if (gc_assert_level > 0) { + gc_assert(page_table[first_page].bytes_used == GC_PAGE_SIZE); + gc_assert(PAGE_GENERATION(first_page) == from_space); + gc_assert(PAGE_ALLOCATED(first_page)); + gc_assert(PAGE_UNBOXED(first_page) == region_unboxed); + } } /* @@ -6212,8 +6391,10 @@ preserve_pointer(void *addr) * marking all pages as dont_move. */ for (i = first_page;; i++) { - gc_assert(PAGE_ALLOCATED(i)); - gc_assert(PAGE_UNBOXED(i) == region_unboxed); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(i)); + gc_assert(PAGE_UNBOXED(i) == region_unboxed); + } /* Mark the page static */ page_table[i].flags |= PAGE_DONT_MOVE_MASK; @@ -6236,7 +6417,9 @@ preserve_pointer(void *addr) * have pointers into the old-space which need * scavenging. Shouldn't be write protected at this stage. */ - gc_assert(!PAGE_WRITE_PROTECTED(i)); + if (gc_assert_level > 0) { + gc_assert(!PAGE_WRITE_PROTECTED(i)); + } /* Check if this is the last page in this contiguous block */ if (page_table[i].bytes_used < GC_PAGE_SIZE @@ -6249,7 +6432,9 @@ preserve_pointer(void *addr) } /* Check that the page is now static */ - gc_assert(PAGE_DONT_MOVE(addr_page_index)); + if (gc_assert_level > 0) { + gc_assert(PAGE_DONT_MOVE(addr_page_index)); + } return; } @@ -6341,8 +6526,10 @@ update_page_write_prot(unsigned page) int num_words = page_table[page].bytes_used / sizeof(lispobj); /* Shouldn't be a free page. */ - gc_assert(PAGE_ALLOCATED(page)); - gc_assert(page_table[page].bytes_used != 0); + if (gc_assert_level > 0) { + gc_assert(PAGE_ALLOCATED(page)); + gc_assert(page_table[page].bytes_used != 0); + } /* Skip if it's already write protected or an unboxed page. */ if (PAGE_WRITE_PROTECTED(page) || PAGE_UNBOXED(page)) @@ -6445,7 +6632,9 @@ scavenge_generation(int generation) int last_page; /* This should be the start of a contiguous block */ - gc_assert(page_table[i].first_object_offset == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[i].first_object_offset == 0); + } /* * Need to find the full extent of this contiguous block in case @@ -6827,7 +7016,9 @@ scavenge_newspace_generation(int generation) int offset = (*previous_new_areas)[i].offset; int size = (*previous_new_areas)[i].size / sizeof(lispobj); - gc_assert((*previous_new_areas)[i].size % 4 == 0); + if (gc_assert_level > 0) { + gc_assert((*previous_new_areas)[i].size % 4 == 0); + } #if 0 fprintf(stderr, "*S page %d offset %d size %d\n", page, offset, @@ -7234,8 +7425,10 @@ verify_space(lispobj * start, size_t words) fheaderl = code->entry_points; while (fheaderl != NIL) { fheaderp = (struct function *) PTR(fheaderl); - gc_assert(TypeOf(fheaderp->header) == - type_FunctionHeader); + if (gc_assert_level > 0) { + gc_assert(TypeOf(fheaderp->header) == + type_FunctionHeader); + } verify_space(&fheaderp->name, 1); verify_space(&fheaderp->arglist, 1); verify_space(&fheaderp->type, 1); @@ -7350,7 +7543,9 @@ verify_generation(int generation) int region_unboxed = PAGE_UNBOXED(i); /* This should be the start of a contiguous block */ - gc_assert(page_table[i].first_object_offset == 0); + if (gc_assert_level > 0) { + gc_assert(page_table[i].first_object_offset == 0); + } /* * Need to find the full extent of this contiguous block in case @@ -7454,7 +7649,9 @@ write_protect_generation_pages(int generation) { int i; - gc_assert(generation < NUM_GENERATIONS); + if (gc_assert_level > 0) { + gc_assert(generation < NUM_GENERATIONS); + } for (i = 0; i < last_free_page; i++) if (PAGE_ALLOCATED(i) && !PAGE_UNBOXED(i) @@ -7528,7 +7725,6 @@ garbage_collect_generation(int generation, int raise) unsigned long i; unsigned long read_only_space_size, static_space_size; -#ifdef GC_ASSERTIONS #if defined(i386) || defined(__x86_64) invalid_stack_start = (void *) control_stack; invalid_stack_end = (void *) &raise; @@ -7536,12 +7732,13 @@ garbage_collect_generation(int generation, int raise) invalid_stack_start = (void *) &raise; invalid_stack_end = (void *) control_stack_end; #endif /* not i386 */ -#endif /* GC_ASSERTIONS */ - gc_assert(generation <= NUM_GENERATIONS - 1); + if (gc_assert_level > 0) { + gc_assert(generation <= NUM_GENERATIONS - 1); + /* The oldest generation can't be raised. */ + gc_assert(generation != NUM_GENERATIONS - 1 || raise == 0); + } - /* The oldest generation can't be raised. */ - gc_assert(generation != NUM_GENERATIONS - 1 || raise == 0); /* Initialise the weak pointer list. */ weak_pointers = NULL; @@ -7553,8 +7750,11 @@ garbage_collect_generation(int generation, int raise) * done. Setup this new generation. There should be no pages * allocated to it yet. */ - if (!raise) - gc_assert(generations[NUM_GENERATIONS].bytes_allocated == 0); + if (!raise) { + if (gc_assert_level > 0) { + gc_assert(generations[NUM_GENERATIONS].bytes_allocated == 0); + } + } /* Set the global src and dest. generations */ from_space = generation; @@ -7615,7 +7815,9 @@ garbage_collect_generation(int generation, int raise) * There shouldn't be any non-movable pages because we don't have * any conservative pointers! */ - gc_assert(num_dont_move_pages == 0); + if (gc_assert_level > 0) { + gc_assert(num_dont_move_pages == 0); + } #endif } @@ -7742,7 +7944,9 @@ garbage_collect_generation(int generation, int raise) if (page_table[i].bytes_used != 0 && PAGE_GENERATION(i) == NUM_GENERATIONS) PAGE_FLAGS_UPDATE(i, PAGE_GENERATION_MASK, generation); - gc_assert(generations[generation].bytes_allocated == 0); + if (gc_assert_level > 0) { + gc_assert(generations[generation].bytes_allocated == 0); + } generations[generation].bytes_allocated = generations[NUM_GENERATIONS].bytes_allocated; generations[NUM_GENERATIONS].bytes_allocated = 0; @@ -7827,7 +8031,9 @@ collect_garbage(unsigned last_gen) /* Verify the new objects created by lisp code. */ if (pre_verify_gen_0) { - fprintf(stderr, "Pre-Checking generation 0\n"); + if (gencgc_verbose > 0) { + fprintf(stderr, "Pre-Checking generation 0\n"); + } verify_generation(0); } @@ -7918,7 +8124,9 @@ collect_garbage(unsigned last_gen) * Set gc_alloc back to generation 0. The current regions should be * flushed after the above GCs. */ - gc_assert(boxed_region.free_pointer - boxed_region.start_addr == 0); + if (gc_assert_level > 0) { + gc_assert(boxed_region.free_pointer - boxed_region.start_addr == 0); + } gc_alloc_generation = 0; update_dynamic_space_free_pointer(); @@ -8012,8 +8220,10 @@ gc_free_heap(void) /* * Double check that the page is zero filled. */ - gc_assert(!PAGE_ALLOCATED(page)); - gc_assert(page_table[page].bytes_used == 0); + if (gc_assert_level > 0) { + gc_assert(!PAGE_ALLOCATED(page)); + gc_assert(page_table[page].bytes_used == 0); + } page_start = (int *) page_address(page); @@ -8212,10 +8422,14 @@ alloc(int nbytes) * current_dynamic_space_free_pointer) and therefore contains the * pseudo-atomic bits. */ - gc_assert(((unsigned) get_current_region_free() & lowtag_Mask) == 0); + if (gc_assert_level > 0) { + gc_assert(((unsigned) get_current_region_free() & lowtag_Mask) == 0); + } #endif - gc_assert((nbytes & lowtag_Mask) == 0); - gc_assert(get_pseudo_atomic_atomic()); + if (gc_assert_level > 0) { + gc_assert((nbytes & lowtag_Mask) == 0); + gc_assert(get_pseudo_atomic_atomic()); + } bytes_allocated_sum += nbytes; View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/d7f49e5153e53ddb7fa1ccc1… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/d7f49e5153e53ddb7fa1ccc1… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][issue-69-compile-in-gc-assert] Move gc-assert stuff to EXTENSIONS package
by Raymond Toy 22 Sep '18

22 Sep '18

Raymond Toy pushed to branch issue-69-compile-in-gc-assert at cmucl / cmucl Commits: 51857521 by Raymond Toy at 2018-09-22T17:21:47Z Move gc-assert stuff to EXTENSIONS package Move GET-GC-ASSERTIONS and SET-GC-ASSERTIONS to the EXTENSIONS package since that's where *GC-VERBOSE* is. - - - - - 2 changed files: - src/code/exports.lisp - src/code/gc.lisp Changes: ===================================== src/code/exports.lisp ===================================== @@ -1566,6 +1566,10 @@ "*TRUST-DYNAMIC-EXTENT-DECLARATIONS*" "INVALID-FASL") + ;; gencgc features + #+gencgc + (:export "GET-GC-ASSERTIONS" + "SET-GC-ASSERTIONS") ;; run-program (:export "RUN-PROGRAM" "PROCESS-ALIVE-P" "PROCESS-CLOSE" ===================================== src/code/gc.lisp ===================================== @@ -22,7 +22,9 @@ *bytes-consed-between-gcs* *gc-verbose* *gc-inhibit-hook* *gc-notify-before* *gc-notify-after* get-bytes-consed *gc-run-time* bytes-consed-between-gcs - get-bytes-consed-dfixnum)) + get-bytes-consed-dfixnum + get-gc-assertions + set-gc-assertions)) (in-package "LISP") (export '(room)) @@ -99,7 +101,7 @@ (verify-generations 6 verify-generations-p) (verify-new-objects nil verify-new-objects-p)) "Set GC assertion to the specified value: - :ASSERT-LEVEL- + :ASSERT-LEVEL Defaults to 0, higher values indicate more assertions are enabled. :VERIFY-AFTER-FREE-HEAP View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/51857521b34f40acbc26557bf… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/51857521b34f40acbc26557bf… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][issue-69-compile-in-gc-assert] 2 commits: Fix typo in declaration for verify-generations
by Raymond Toy 22 Sep '18

22 Sep '18

Raymond Toy pushed to branch issue-69-compile-in-gc-assert at cmucl / cmucl Commits: 5a2484ec by Raymond Toy at 2018-09-16T23:29:06Z Fix typo in declaration for verify-generations - - - - - 9f7e34ad by Raymond Toy at 2018-09-22T16:06:20Z Assert rehash threshold is in (0,1] Not 100% sure, but I think 0.1 is too large in some cases. Possibly if GC happens after allocating a hash table but before it's initialized. Maybe we should prevent GC from happening before we've initialized some of the slots of the hash table? - - - - - 2 changed files: - src/code/gc.lisp - src/lisp/gencgc.c Changes: ===================================== src/code/gc.lisp ===================================== @@ -117,7 +117,7 @@ " (declare (type (and fixnum unsigned-byte) assert-level) (type boolean verify-after-free-heap) - (type (integer 0 6) verify-generation) + (type (integer 0 6) verify-generations) (type boolean verify-new-objects)) (when assert-level-p (setf gc-assert-level assert-level)) ===================================== src/lisp/gencgc.c ===================================== @@ -4813,12 +4813,12 @@ scav_hash_vector(lispobj * where, lispobj object) if (gc_assert_level > 0) { /* * Check to see that hash-table-rehash-threshold is a single - * float in the range [0.1, 1] + * float in the range (0, 1] */ lispobj threshold_obj = (lispobj) hash_table->rehash_threshold; struct single_float* float_slot = (struct single_float*) PTR(threshold_obj); float threshold = float_slot->value; - gc_assert(threshold >= 0.1 && threshold <= 1); + gc_assert(threshold > 0 && threshold <= 1); } scavenge((lispobj *) hash_table, HASH_TABLE_SIZE); View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/ebc4d6ece03c716ae01bf05d… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/ebc4d6ece03c716ae01bf05d… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][issue-69-compile-in-gc-assert] Add docstrings for the GC assertion functions
by Raymond Toy 15 Sep '18

15 Sep '18

Raymond Toy pushed to branch issue-69-compile-in-gc-assert at cmucl / cmucl Commits: ebc4d6ec by Raymond Toy at 2018-09-15T21:08:34Z Add docstrings for the GC assertion functions - - - - - 1 changed file: - src/code/gc.lisp Changes: ===================================== src/code/gc.lisp ===================================== @@ -83,6 +83,13 @@ (alien:def-alien-variable ("pre_verify_gen_0" gc-verify-new-objects) c-call:int) (alien:def-alien-variable ("verify_gens" gc-verify-generations) c-call:int) (defun get-gc-assertions () + "Returns a list of the current GC assertion settings. The list is + in the same format as the keyword arguments to SET-GC-ASSERTIONS, + i.e., + + (apply #'set-gc-assertions (get-gc-assertions)) + + See SET-GC-ASSERTIONS for more information." (list :assert-level gc-assert-level :verify-after-free-heap (not (zerop gc-verify-after-free-heap)) :verify-generations gc-verify-generations @@ -91,6 +98,23 @@ (verify-after-free-heap nil verify-after-free-heap-p) (verify-generations 6 verify-generations-p) (verify-new-objects nil verify-new-objects-p)) + "Set GC assertion to the specified value: + :ASSERT-LEVEL- + Defaults to 0, higher values indicate more assertions are enabled. + + :VERIFY-AFTER-FREE-HEAP + If non-NIL, the heap is verified for consistency whenever + part of the heap is collected. + + :VERIFY-GENERATIONS + Set to generation number. When GC occurs, generations + equal to or higher than this value are checked for + consistency. + + :VERIFY-NEW-OBJECTS + When GC occurs for the newest generation, the heap for this + generation is checked for validity. +" (declare (type (and fixnum unsigned-byte) assert-level) (type boolean verify-after-free-heap) (type (integer 0 6) verify-generation) View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/ebc4d6ece03c716ae01bf05d7… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/ebc4d6ece03c716ae01bf05d7… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][issue-69-compile-in-gc-assert] Add function to get and set GC check options
by Raymond Toy 04 Sep '18

04 Sep '18

Raymond Toy pushed to branch issue-69-compile-in-gc-assert at cmucl / cmucl Commits: 62d02997 by Raymond Toy at 2018-09-04T05:05:32Z Add function to get and set GC check options Define GET-GC-ASSERTIONS to get the current GC assertions and SET-GC-ASSERTIONS to set them. These control the whether gc_assert is called; whether a a pre-scan of generation 0 is done before GC; whether we verify the heap after gc_free_heap is called from purify; and the verify pointers to old-space when GCing generations greater than or equal the given generation. Update C code to change boolean variables to int's to make it simple to to access from Lisp. (Don't have c-call:boolean.) - - - - - 2 changed files: - src/code/gc.lisp - src/lisp/gencgc.c Changes: ===================================== src/code/gc.lisp ===================================== @@ -72,14 +72,39 @@ (progn (alien:def-alien-routine get_bytes_allocated_lower c-call:int) (alien:def-alien-routine get_bytes_allocated_upper c-call:int) - ;; Controls GC assertions that are enabled in the runtime. A value - ;; of 0 disables all assertions (the normal default). - (alien:def-alien-variable gc_assert_level c-call:int) - (setf (documentation 'gc-assert-level 'variable) - "Current GC assertion level. Higher values enable more GC assertions") (defun dynamic-usage () (dfixnum:dfixnum-pair-integer - (get_bytes_allocated_upper) (get_bytes_allocated_lower)))) + (get_bytes_allocated_upper) (get_bytes_allocated_lower))) + + ;; Controls GC assertions that are enabled in the runtime. A value + ;; of 0 disables all assertions (the normal default). + (alien:def-alien-variable ("gc_assert_level" gc-assert-level) c-call:int) + (alien:def-alien-variable ("verify_after_free_heap" gc-verify-after-free-heap) c-call:int) + (alien:def-alien-variable ("pre_verify_gen_0" gc-verify-new-objects) c-call:int) + (alien:def-alien-variable ("verify_gens" gc-verify-generations) c-call:int) + (defun get-gc-assertions () + (list :assert-level gc-assert-level + :verify-after-free-heap (not (zerop gc-verify-after-free-heap)) + :verify-generations gc-verify-generations + :verify-new-objects (not (zerop gc-verify-new-objects)))) + (defun set-gc-assertions (&key (assert-level 0 assert-level-p) + (verify-after-free-heap nil verify-after-free-heap-p) + (verify-generations 6 verify-generations-p) + (verify-new-objects nil verify-new-objects-p)) + (declare (type (and fixnum unsigned-byte) assert-level) + (type boolean verify-after-free-heap) + (type (integer 0 6) verify-generation) + (type boolean verify-new-objects)) + (when assert-level-p + (setf gc-assert-level assert-level)) + (when verify-after-free-heap-p + (setf gc-verify-after-free-heap (if verify-after-free-heap 1 0))) + (when verify-generations-p + (setf gc-verify-generations verify-generations)) + (when verify-new-objects-p + (setf gc-verify-new-objects (if verify-new-objects 1 0))) + (values)) + ) #+cgc (c-var-frob dynamic-usage "bytes_allocated") ===================================== src/lisp/gencgc.c ===================================== @@ -260,15 +260,15 @@ int verify_gens = NUM_GENERATIONS; * makes GC very, very slow, so don't enable this unless you really * need it!) */ -boolean pre_verify_gen_0 = FALSE; +int pre_verify_gen_0 = FALSE; /* * Enable checking for bad pointers after gc_free_heap called from purify. */ #if 0 && defined(DARWIN) -boolean verify_after_free_heap = TRUE; +int verify_after_free_heap = TRUE; #else -boolean verify_after_free_heap = FALSE; +int verify_after_free_heap = FALSE; #endif /* @@ -8031,7 +8031,9 @@ collect_garbage(unsigned last_gen) /* Verify the new objects created by lisp code. */ if (pre_verify_gen_0) { - fprintf(stderr, "Pre-Checking generation 0\n"); + if (gencgc_verbose > 0) { + fprintf(stderr, "Pre-Checking generation 0\n"); + } verify_generation(0); } View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/62d029977c6e367cfbef2ec68… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/62d029977c6e367cfbef2ec68… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][issue-69-compile-in-gc-assert] 2 commits: Correct an assertion on rehash-threshold.
by Raymond Toy 02 Sep '18

02 Sep '18

Raymond Toy pushed to branch issue-69-compile-in-gc-assert at cmucl / cmucl Commits: d895efeb by Raymond Toy at 2018-09-02T22:39:02Z Correct an assertion on rehash-threshold. The limit for rehash-threshold is 0.1 to 1. not 0 to 1. Also fix a compiler warning about bad casts. And use an appropriate structure type for the single-float object instead of hacking as float array. - - - - - cfaac541 by Raymond Toy at 2018-09-02T22:39:56Z Add gc-assert-level in lisp This allows users to change the runtime GC assertion level. Zero means no assertions and greater than 0 means assertions are enabled. - - - - - 2 changed files: - src/code/gc.lisp - src/lisp/gencgc.c Changes: ===================================== src/code/gc.lisp ===================================== @@ -72,7 +72,11 @@ (progn (alien:def-alien-routine get_bytes_allocated_lower c-call:int) (alien:def-alien-routine get_bytes_allocated_upper c-call:int) - + ;; Controls GC assertions that are enabled in the runtime. A value + ;; of 0 disables all assertions (the normal default). + (alien:def-alien-variable gc_assert_level c-call:int) + (setf (documentation 'gc-assert-level 'variable) + "Current GC assertion level. Higher values enable more GC assertions") (defun dynamic-usage () (dfixnum:dfixnum-pair-integer (get_bytes_allocated_upper) (get_bytes_allocated_lower)))) ===================================== src/lisp/gencgc.c ===================================== @@ -4813,12 +4813,12 @@ scav_hash_vector(lispobj * where, lispobj object) if (gc_assert_level > 0) { /* * Check to see that hash-table-rehash-threshold is a single - * float in the range (0, 1] + * float in the range [0.1, 1] */ lispobj threshold_obj = (lispobj) hash_table->rehash_threshold; - float* raw_slots = PTR(threshold_obj); - float threshold = raw_slots[2]; - gc_assert(threshold > 0 && threshold <= 1); + struct single_float* float_slot = (struct single_float*) PTR(threshold_obj); + float threshold = float_slot->value; + gc_assert(threshold >= 0.1 && threshold <= 1); } scavenge((lispobj *) hash_table, HASH_TABLE_SIZE); View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/ab9c63efd703fd07305b0491… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/compare/ab9c63efd703fd07305b0491… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl] Pushed new branch issue-69-compile-in-gc-assert
by Raymond Toy 02 Sep '18

02 Sep '18

Raymond Toy pushed new branch issue-69-compile-in-gc-assert at cmucl / cmucl -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/tree/issue-69-compile-in-gc-asse… You're receiving this email because of your account on gitlab.common-lisp.net.

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[Git][cmucl/cmucl][master] Oops. Forgot to remove one more FPU_MODE
by Raymond Toy 01 Sep '18

01 Sep '18

Raymond Toy pushed to branch master at cmucl / cmucl Commits: d7f49e51 by Raymond Toy at 2018-09-01T16:53:24Z Oops. Forgot to remove one more FPU_MODE - - - - - 1 changed file: - bin/build.sh Changes: ===================================== bin/build.sh ===================================== @@ -144,7 +144,7 @@ buildit () fi $TOOLDIR/load-world.sh $TARGET "$VERSION" || { echo "Failed: $TOOLDIR/load-world.sh"; exit 1; } - $TARGET/lisp/lisp -batch -noinit -nositeinit < /dev/null || { echo "Failed: $TARGET/lisp/lisp -batch -noinit $FPU_MODE"; exit 1; } + $TARGET/lisp/lisp -batch -noinit -nositeinit < /dev/null || { echo "Failed: $TARGET/lisp/lisp -batch -noinit"; exit 1; } return 0; fi } View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/d7f49e5153e53ddb7fa1ccc10… -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/d7f49e5153e53ddb7fa1ccc10… You're receiving this email because of your account on gitlab.common-lisp.net.

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