From: Peter Johnson <peter@tortall.net>
Date: Tue, 27 Sep 2005 03:46:34 +0000 (-0000)
Subject: * gas-bison.y: Allow .data, .text, and .bss to be used in expressions (they
X-Git-Tag: v0.5.0rc1~129
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8545380851df32713b4fd5d9472f99025b11464f;p=yasm

* gas-bison.y: Allow .data, .text, and .bss to be used in expressions (they
come through as unique directive tokens, not as DIR_ID).
* dataref-imm.*: Test for this.

svn path=/trunk/yasm/; revision=1248
---

diff --git a/modules/parsers/gas/gas-bison.y b/modules/parsers/gas/gas-bison.y
index 1e3b0203..0cd096c7 100644
--- a/modules/parsers/gas/gas-bison.y
+++ b/modules/parsers/gas/gas-bison.y
@@ -106,7 +106,7 @@ static void gas_parser_directive
 
 %type <bc> line lineexp instr
 
-%type <str_val> label_id
+%type <str_val> expr_id label_id
 %type <ea> memaddr
 %type <exp> expr regmemexpr
 %type <sym> explabel
@@ -568,7 +568,7 @@ expr: INTNUM		{ $$ = p_expr_new_ident(yasm_expr_int($1)); }
     | '(' expr ')'	{ $$ = $2; }
 ;
 
-explabel: label_id	{
+explabel: expr_id	{
 	/* "." references the current assembly position */
 	if ($1[1] == '\0' && $1[0] == '.')
 	    $$ = yasm_symtab_define_label(p_symtab, ".", parser_gas->prev_bc,
@@ -577,7 +577,7 @@ explabel: label_id	{
 	    $$ = yasm_symtab_use(p_symtab, $1, cur_line);
 	yasm_xfree($1);
     }
-    | label_id '@' label_id {
+    | expr_id '@' label_id {
 	/* TODO: this is needed for shared objects, e.g. sym@PLT */
 	$$ = yasm_symtab_use(p_symtab, $1, cur_line);
 	yasm_xfree($1);
@@ -585,6 +585,12 @@ explabel: label_id	{
     }
 ;
 
+expr_id: label_id
+    | DIR_DATA	{ $$ = yasm__xstrdup(".data"); }
+    | DIR_TEXT	{ $$ = yasm__xstrdup(".text"); }
+    | DIR_BSS	{ $$ = yasm__xstrdup(".bss"); }
+;
+
 label_id: ID | DIR_ID;
 
 %%
diff --git a/modules/parsers/gas/tests/Makefile.inc b/modules/parsers/gas/tests/Makefile.inc
index 72e6f325..eb4df040 100644
--- a/modules/parsers/gas/tests/Makefile.inc
+++ b/modules/parsers/gas/tests/Makefile.inc
@@ -3,6 +3,9 @@
 TESTS += modules/parsers/gas/tests/gas_test.sh
 
 EXTRA_DIST += modules/parsers/gas/tests/gas_test.sh
+EXTRA_DIST += modules/parsers/gas/tests/dataref-imm.asm
+EXTRA_DIST += modules/parsers/gas/tests/dataref-imm.errwarn
+EXTRA_DIST += modules/parsers/gas/tests/dataref-imm.hex
 EXTRA_DIST += modules/parsers/gas/tests/datavis.asm
 EXTRA_DIST += modules/parsers/gas/tests/datavis.errwarn
 EXTRA_DIST += modules/parsers/gas/tests/datavis.hex
diff --git a/modules/parsers/gas/tests/dataref-imm.asm b/modules/parsers/gas/tests/dataref-imm.asm
new file mode 100644
index 00000000..3bfff168
--- /dev/null
+++ b/modules/parsers/gas/tests/dataref-imm.asm
@@ -0,0 +1,5 @@
+movl $(.data+160),%eax
+.data
+.long .text
+.long .data
+.long .bss
diff --git a/modules/parsers/gas/tests/dataref-imm.errwarn b/modules/parsers/gas/tests/dataref-imm.errwarn
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/parsers/gas/tests/dataref-imm.hex b/modules/parsers/gas/tests/dataref-imm.hex
new file mode 100644
index 00000000..9e4c6b1c
--- /dev/null
+++ b/modules/parsers/gas/tests/dataref-imm.hex
@@ -0,0 +1,592 @@
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