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* struc-symbol.h (struct symbol): Add sy_mri_common bit.

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* read.h (mri_comon_symbol): Declare.
	(s_mri_common): Declare.
	* read.c (mri_line_label): New static variable.
	(mri_common_symbol): New global variable.
	(potable): Add "common" and "common.s".
	(read_a_source_file): In MRI mode, set mri_line_label for a label
	at the start of a line.
	(s_mri_common): New function.
	(s_space): Handle mri_common_symbol.
	* symbols.c (colon): Change return value from void to symbolS *,
	and return new symbol.  If mri_common_symbol is set, attach the
	new symbol to it.
	(resolve_symbol_value): Handle an sy_mri_common symbol.
	* symbols.h (colon): Change return value in declaration.
	* subsegs.c (subseg_set_rest): Clear mri_common_symbol.
	(subseg_set (both versions)): Likewise.
	* frags.c (frag_more): Warn if mri_common_symbol is not NULL.
	* write.c (adjust_reloc_syms): Skip sy_mri_common symbols.
	(write_object_file): Discard sy_mri_common symbols.
	(fixup_segment): Change relocations against sy_mri_common symbols
	to be against the common symbol itself.
	* config/obj-coff.c (yank_symbols): Discard sy_mri_common symbols.
	(fixup_segment): Change relocations against sy_mri_common symbols
	to be against the common symbol itself.
	* config/obj-aout.c (obj_crawl_symbol_chain): Discard
	sy_mri_common symbols.
This commit is contained in:
Ian Lance Taylor
1995-08-08 21:41:30 +00:00
parent 7aaec27bc7
commit 1356d77df3
9 changed files with 698 additions and 266 deletions
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10
gas/read.h
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@@ -16,7 +16,7 @@
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
extern char *input_line_pointer;/* -> char we are parsing now. */
@@ -47,9 +47,11 @@ extern char *input_line_pointer;/* -> char we are parsing now. */
#define is_a_char(c) (((unsigned)(c)) <= CHAR_MASK)
#endif /* is_a_char() */
extern const char lex_type[];
extern char lex_type[];
extern char is_end_of_line[];
extern int target_big_endian;
/* These are initialized by the CPU specific target files (tc-*.c). */
extern const char comment_chars[];
extern const char line_comment_chars[];
@@ -58,6 +60,9 @@ extern const char line_separator_chars[];
/* This flag whether to generate line info for asm file */
extern int generate_asm_lineno;
/* This is used to support MRI common sections. */
extern symbolS *mri_common_symbol;
unsigned int get_stab_string_offset PARAMS ((const char *string,
const char *stabstr_secname));
@@ -81,6 +86,7 @@ void s_align_ptwo PARAMS ((int));
void s_app_file PARAMS ((int));
void s_app_line PARAMS ((int));
void s_comm PARAMS ((int));
void s_mri_common PARAMS ((int));
void s_data PARAMS ((int));
void s_desc PARAMS ((int));
void s_else PARAMS ((int arg));