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fix sections; remove __gc_start and __gc_end labels

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danyabeerzun 2019-12-25 20:29:53 +03:00
parent 711c8d2f12
commit f5526507a1
2 changed files with 6 additions and 9 deletions
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6
runtime/runtime.c
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@ -790,7 +790,7 @@ extern int Lwrite (int n) {
/* GC starts here */
extern const size_t __gc_data_end, __gc_data_start;
extern const size_t __start_custom_data, __stop_custom_data;
# ifdef __ENABLE_GC__
@ -1004,8 +1004,8 @@ extern void gc_test_and_copy_root (size_t ** root) {
}
extern void gc_root_scan_data (void) {
size_t * p = &__gc_data_start;
while (p != &__gc_data_end) {
size_t * p = &__start_custom_data;
while (p != &__stop_custom_data) {
gc_test_and_copy_root (p);
p++;
}

9
src/X86.ml
View file

@ -659,15 +659,12 @@ class env prg =
let genasm cmd prog =
let sm = SM.compile cmd prog in
let env, code = compile cmd (new env sm) sm in
let gc_start, gc_end = "__gc_data_start", "__gc_data_end" in
let globals =
List.map (fun s -> Meta (Printf.sprintf "\t.globl\t%s" s)) ([gc_start; gc_end] @ env#publics)
List.map (fun s -> Meta (Printf.sprintf "\t.globl\t%s" s)) env#publics
in
let data = [Meta "\t.data";
Meta (Printf.sprintf "filler:\t.fill\t%d, 4, 1" env#max_locals_size);
Meta (Printf.sprintf "%s:" gc_start)] @
let data = [Meta "\t.section custom_data,\"aw\",@progbits";
Meta (Printf.sprintf "filler:\t.fill\t%d, 4, 1" env#max_locals_size)] @
(List.map (fun s -> Meta (Printf.sprintf "%s:\t.int\t1" s)) env#globals) @
[Meta (Printf.sprintf "%s:" gc_end)] @
(List.map (fun (s, v) -> Meta (Printf.sprintf "%s:\t.string\t\"%s\"" v s)) env#strings)
in
let asm = Buffer.create 1024 in