diff options
| author | Matt Valentine-House <[email protected]> | 2024-04-02 13:52:50 +0100 |
|---|---|---|
| committer | Matt Valentine-House <[email protected]> | 2024-04-15 19:50:47 +0100 |
| commit | 065710c0f5c1e81f0fa7ab6ddd3ccbc41e9cc2cc (patch) | |
| tree | b3cf24415dad95defcb3dcaa9088b36946dfd3c4 /gc.c | |
| parent | a2ea4ec30c409ebe8ae7952f092e0bd8c1912a17 (diff) | |
Initialize external GC Library
Co-Authored-By: Peter Zhu <[email protected]>
Diffstat (limited to 'gc.c')
| -rw-r--r-- | gc.c | 53 |
1 files changed, 51 insertions, 2 deletions
@@ -1884,6 +1884,55 @@ rb_gc_initial_stress_set(VALUE flag) initial_stress = flag; } +static void * Alloc_GC_impl(void); + +#if USE_SHARED_GC +# include "dln.h" +# define Alloc_GC rb_gc_functions->init + +void +ruby_external_gc_init() +{ + rb_gc_function_map_t *map = malloc(sizeof(rb_gc_function_map_t)); + rb_gc_functions = map; + + char *gc_so_path = getenv("RUBY_GC_LIBRARY_PATH"); + if (!gc_so_path) { + map->init = Alloc_GC_impl; + return; + } + + void *h = dln_open(gc_so_path); + if (!h) { + rb_bug( + "ruby_external_gc_init: Shared library %s cannot be opened.", + gc_so_path + ); + } + + void *gc_init_func = dln_symbol(h, "Init_GC"); + if (!gc_init_func) { + rb_bug( + "ruby_external_gc_init: Init_GC func not exported by library %s", + gc_so_path + ); + } + + map->init = gc_init_func; +} +#else +# define Alloc_GC Alloc_GC_impl +#endif + +rb_objspace_t * +rb_objspace_alloc(void) +{ +#if USE_SHARED_GC + ruby_external_gc_init(); +#endif + return (rb_objspace_t *)Alloc_GC(); +} + static void free_stack_chunks(mark_stack_t *); static void mark_stack_free_cache(mark_stack_t *); static void heap_page_free(rb_objspace_t *objspace, struct heap_page *page); @@ -3489,8 +3538,8 @@ static const struct st_hash_type object_id_hash_type = { object_id_hash, }; -rb_objspace_t * -rb_objspace_alloc(void) +static void * +Alloc_GC_impl(void) { rb_objspace_t *objspace = calloc1(sizeof(rb_objspace_t)); ruby_current_vm_ptr->objspace = objspace; |