Parse assembler .hidden directive

This makes TCCs assembler understand the '.hidden symbol' directive (and emits a STV_HIDDEN ELF symbol then).

Michael Matz committed 12 years ago

Commit a9fda391 parent fbda78a3 files · +12 −4Browse files

Unified · Split

3 files

@@ -508,6 +508,9 @@ ST_FUNC void put_extern_sym2(Sym sym, Section section, · 507 unmodified lines
508	508	if (sym->type.t & VT_IMPORT)
509	509	other \|= 4;
510	510	}
	511	+#else
	512	+ if (! (sym->type.t & VT_STATIC))
	513	+ other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT;
511	514	#endif
512	515	if (tcc_state->leading_underscore && can_add_underscore) {
513	516	buf1[0] = '_';

@@ -483,6 +483,7 @@ static void asm_parse_directive(TCCState *s1) · 482 unmodified lines
483	483	case TOK_ASM_globl:
484	484	case TOK_ASM_global:
485	485	case TOK_ASM_weak:
	486	+ case TOK_ASM_hidden:
486	487	tok1 = tok;
487	488	do {
488	489	Sym *sym;
@@ -493,9 +494,12 @@ static void asm_parse_directive(TCCState *s1) · 4 unmodified lines
493	494	sym = label_push(&s1->asm_labels, tok, 0);
494	495	sym->type.t = VT_VOID;
495	496	}
496		− sym->type.t &= ~VT_STATIC;
	497	+ if (tok1 != TOK_ASM_hidden)
	498	+ sym->type.t &= ~VT_STATIC;
497	499	if (tok1 == TOK_ASM_weak)
498	500	sym->type.t \|= VT_WEAK;
	501	+ else if (tok1 == TOK_ASM_hidden)
	502	+ sym->type.t \|= STV_HIDDEN << VT_VIS_SHIFT;
499	503	next();
500	504	} while (tok == ',');
501	505	break;
@@ -588,12 +592,12 @@ static void asm_parse_directive(TCCState *s1) · 86 unmodified lines
588	592	tcc_error("label not found: %s", get_tok_str(tok, NULL));
589	593	}
590	594
591		− next();
592		− skip(',');
593	595	/* XXX .size name,label2-label1 */
594	596	if (s1->warn_unsupported)
595	597	tcc_warning("ignoring .size %s,*", get_tok_str(tok, NULL));
596	598
	599	+ next();
	600	+ skip(',');
597	601	while (tok != '\n' && tok != CH_EOF) {
598	602	next();
599	603	}
@@ -622,7 +626,7 @@ static void asm_parse_directive(TCCState *s1) · 22 unmodified lines
622	626	}
623	627
624	628	if (!strcmp(newtype, "function") \|\| !strcmp(newtype, "STT_FUNC")) {
625		− sym->type.t = VT_FUNC;
	629	+ sym->type.t = (sym->type.t & ~VT_BTYPE) \| VT_FUNC;
626	630	}
627	631	else if (s1->warn_unsupported)
628	632	tcc_warning("change type of '%s' from 0x%x to '%s' ignored",

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