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Cyclic equal (alpha)

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This commit is contained in:
Dmitry Boulytchev 2020-08-02 23:56:21 +03:00
parent c73f43e817
commit c29ab4901f
13 changed files with 402 additions and 18 deletions
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6
runtime/Std.i
View file

@ -43,4 +43,8 @@ F,s__Infix_42;
F,s__Infix_47;
F,s__Infix_37;
L,"++",T,"+";
F,enableGC;
F,disableGC;
F,random;
F,time;
F,rawTag;

6
runtime/gc_runtime.s
View file

@ -9,7 +9,7 @@ __gc_stack_top: .long 0
.globl __pre_gc
.globl __post_gc
.globl L__gc_init
.globl __gc_init
.globl __gc_root_scan_stack
.globl __gc_stack_top
.globl __gc_stack_bottom
@ -17,9 +17,9 @@ __gc_stack_top: .long 0
.extern gc_test_and_copy_root
.text
L__gc_init: movl %ebp, __gc_stack_bottom
__gc_init: movl %ebp, __gc_stack_bottom
addl $4, __gc_stack_bottom
call init_pool
call __init
ret
// if __gc_stack_top is equal to 0

49
runtime/runtime.c
View file

@ -11,6 +11,7 @@
# include <assert.h>
# include <errno.h>
# include <regex.h>
# include <time.h>
# include <limits.h>
# define __ENABLE_GC__
@ -172,6 +173,13 @@ extern void* Bsexp (int n, ...);
void *global_sysargs;
// Gets a raw tag
extern int LrawTag (void *p) {
ASSERT_UNBOXED ("rawTag, 0", p);
return TAG(TO_DATA(p)->tag);
}
// Functional synonym for built-in operator ":";
void* Ls__Infix_58 (void *p, void *q) {
void *res;
@ -1374,6 +1382,24 @@ extern int Lwrite (int n) {
return 0;
}
extern int Lrandom (int n) {
ASSERT_UNBOXED("Lrandom, 0", n);
if (UNBOX(n) <= 0) {
failure ("invalid range in random: %d\n", UNBOX(n));
}
return BOX (random () % UNBOX(n));
}
extern int Ltime () {
struct timespec t;
clock_gettime (CLOCK_MONOTONIC_RAW, &t);
return BOX(t.tv_sec * 1000000 + t.tv_nsec / 1000);
}
extern void set_args (int argc, char *argv[]) {
data *a;
int n = argc, *p = NULL;
@ -1418,15 +1444,25 @@ extern void set_args (int argc, char *argv[]) {
/* GC starts here */
static int enable_GC = 1;
extern void LenableGC () {
enable_GC = 1;
}
extern void LdisableGC () {
enable_GC = 0;
}
extern const size_t __start_custom_data, __stop_custom_data;
# ifdef __ENABLE_GC__
extern void L__gc_init ();
extern void __gc_init ();
# else
# define L__gc_init __gc_init_subst
# define __gc_init __gc_init_subst
void __gc_init_subst () {}
# endif
@ -1737,8 +1773,11 @@ static inline void init_extra_roots (void) {
extra_roots.current_free = 0;
}
extern void init_pool (void) {
extern void __init (void) {
size_t space_size = SPACE_SIZE * sizeof(size_t);
srandom (time (NULL));
from_space.begin = mmap (NULL, space_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_32BIT, -1, 0);
to_space.begin = NULL;
@ -1756,6 +1795,10 @@ extern void init_pool (void) {
}
static void* gc (size_t size) {
if (! enable_GC) {
Lfailure ("GC disabled");
}
current = to_space.begin;
#ifdef DEBUG_PRINT
print_indent ();