Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

builtin.c
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1 #include "internal.h"
2 #include "vm_core.h"
3 #include "iseq.h"
4 #include "builtin.h"
5
6 #if CROSS_COMPILING
7
8 #define INCLUDED_BY_BUILTIN_C 1
9 #include "mini_builtin.c"
10
11 #else
12
13 #include "builtin_binary.inc"
14
15 static const unsigned char*
16 builtin_lookup(const char *feature, size_t *psize)
17 {
18 static int index = 0;
19 int i = index++;
20
21 // usually, `builtin_binary` order is loading order at miniruby.
22 if (LIKELY(strcmp(builtin_binary[i].feature, feature) == 0)) {
23 found:
24 *psize = builtin_binary[i].bin_size;
25 return builtin_binary[i].bin;
26 }
27 else {
28 if (0) fprintf(stderr, "builtin_lookup: cached index miss (index:%d)\n", i);
29 for (i=0; i<BUILTIN_BINARY_SIZE; i++) {
30 if (strcmp(builtin_binary[i].feature, feature) == 0) {
31 goto found;
32 }
33 }
34 }
35 rb_bug("builtin_lookup: can not find %s\n", feature);
36 }
37
38 void
39 rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table)
40 {
41 // search binary
42 size_t size;
43 const unsigned char *bin = builtin_lookup(feature_name, &size);
44
45 // load binary
46 rb_vm_t *vm = GET_VM();
47 if (vm->builtin_function_table != NULL) rb_bug("vm->builtin_function_table should be NULL.");
48 vm->builtin_function_table = table;
49 vm->builtin_inline_index = 0;
50 const rb_iseq_t *iseq = rb_iseq_ibf_load_bytes((const char *)bin, size);
51 vm->builtin_function_table = NULL;
52
53 // exec
54 rb_iseq_eval(rb_iseq_check(iseq));
55 }
56
57 #endif
58
59 void
60 Init_builtin(void)
61 {
62 // nothing
63 }
64
65 void
66 Init_builtin_features(void)
67 {
68 rb_load_with_builtin_functions("gem_prelude", NULL);
69 }
rb_iseq_eval
VALUE rb_iseq_eval(const rb_iseq_t *iseq)
Definition: vm.c:2163
rb_builtin_function
Definition: builtin.h:6
rb_iseq_struct
Definition: vm_core.h:456
index
int index
Definition: rb_mjit_min_header-2.7.0.h:11246
GET_VM
#define GET_VM()
Definition: vm_core.h:1764
rb_load_with_builtin_functions
void rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table)
Definition: builtin.c:39
rb_iseq_ibf_load_bytes
const rb_iseq_t * rb_iseq_ibf_load_bytes(const char *bytes, size_t size)
Definition: compile.c:11616
builtin_binary::bin
const unsigned char * bin
Definition: builtin.h:74
builtin_binary::bin_size
size_t bin_size
Definition: builtin.h:75
NULL
#define NULL
Definition: _sdbm.c:101
Init_builtin_features
void Init_builtin_features(void)
Definition: builtin.c:66
fprintf
int fprintf(FILE *__restrict, const char *__restrict,...) __attribute__((__format__(__printf__
LIKELY
#define LIKELY(x)
Definition: ffi_common.h:125
iseq.h
i
uint32_t i
Definition: rb_mjit_min_header-2.7.0.h:5464
bin
char bin[32]
Definition: siphash.c:135
vm_core.h
stderr
#define stderr
Definition: rb_mjit_min_header-2.7.0.h:1485
size
int size
Definition: encoding.c:58
rb_vm_struct::builtin_inline_index
int builtin_inline_index
Definition: vm_core.h:659
rb_vm_struct::builtin_function_table
const struct rb_builtin_function * builtin_function_table
Definition: vm_core.h:658
builtin_binary
Definition: builtin.h:72
strcmp
int strcmp(const char *, const char *)
rb_bug
void rb_bug(const char *fmt,...)
Definition: error.c:634
internal.h
mini_builtin.c
rb_vm_struct
Definition: vm_core.h:576
iseq
const rb_iseq_t * iseq
Definition: rb_mjit_min_header-2.7.0.h:13504
builtin.h
Init_builtin
void Init_builtin(void)
Definition: builtin.c:60