diff options
| -rw-r--r-- | GnuLdParser.g4 | 1591 |
1 files changed, 458 insertions, 1133 deletions
diff --git a/GnuLdParser.g4 b/GnuLdParser.g4 index 1ed1119..68734fe 100644 --- a/GnuLdParser.g4 +++ b/GnuLdParser.g4 @@ -21,694 +21,337 @@ TODO: check right associative annotations file: - /*INPUT_SCRIPT*/ script_file - | /*INPUT_MRI_SCRIPT*/ mri_script_file - | /*INPUT_VERSION_SCRIPT*/ version_script_file - | /*INPUT_DYNAMIC_LIST*/ dynamic_list_file - | /*INPUT_DEFSYM*/ defsym_expr - ; - -filename: NAME; + /*INPUT_SCRIPT*/ script_file + | /*INPUT_MRI_SCRIPT*/ mri_script_file + | /*INPUT_VERSION_SCRIPT*/ version_script_file + | /*INPUT_DYNAMIC_LIST*/ dynamic_list_file + | /*INPUT_DEFSYM*/ defsym_expr + ; +filename: NAME; defsym_expr: -// { ldlex_defsym(); } - NAME EQ exp -// { -// ldlex_popstate(); -// lang_add_assignment (exp_defsym ($2, $4)); -// } - ; + NAME EQ exp + ; /* SYNTAX WITHIN AN MRI SCRIPT FILE */ mri_script_file: -// { -// ldlex_mri_script (); -// PUSH_ERROR (_("MRI style script")); -// } - mri_script_lines -// { -// ldlex_popstate (); -// mri_draw_tree (); -// POP_ERROR (); -// } - ; + mri_script_lines + ; mri_script_lines: - mri_script_lines mri_script_command NEWLINE - | - ; + mri_script_lines mri_script_command NEWLINE + | + ; mri_script_command: - CHIP exp - | CHIP exp COMMA exp - | NAME /*{ - einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); - }*/ - | LIST /*{ - config.map_filename = "-"; - }*/ - | ORDER ordernamelist - | ENDWORD - | PUBLIC NAME EQ exp - // { mri_public($2, $4); } - | PUBLIC NAME COMMA exp - // { mri_public($2, $4); } - | PUBLIC NAME exp - // { mri_public($2, $3); } - | FORMAT NAME - // { mri_format($2); } - | SECT NAME COMMA exp - // { mri_output_section($2, $4);} - | SECT NAME exp - // { mri_output_section($2, $3);} - | SECT NAME EQ exp - // { mri_output_section($2, $4);} - | ALIGN_K NAME EQ exp - // { mri_align($2,$4); } - | ALIGN_K NAME COMMA exp - // { mri_align($2,$4); } - | ALIGNMOD NAME EQ exp - // { mri_alignmod($2,$4); } - | ALIGNMOD NAME COMMA exp - // { mri_alignmod($2,$4); } - | ABSOLUTE mri_abs_name_list - | LOAD mri_load_name_list - | NAMEWORD NAME - // { mri_name($2); } - | ALIAS NAME COMMA NAME - // { mri_alias($2,$4,0);} - | ALIAS NAME COMMA INT - // { mri_alias ($2, 0, (int) $4.integer); } - | BASE exp - // { mri_base($2); } - | TRUNCATE INT - // { mri_truncate ((unsigned int) $2.integer); } - | CASE casesymlist - | EXTERN extern_name_list - | INCLUDE filename - // { ldlex_script (); ldfile_open_command_file($2); } - mri_script_lines END - // { ldlex_popstate (); } - | START NAME - // { lang_add_entry ($2, FALSE); } - | - ; + CHIP exp + | CHIP exp COMMA exp + | NAME + | LIST + | ORDER ordernamelist + | ENDWORD + | PUBLIC NAME EQ exp + | PUBLIC NAME COMMA exp + | PUBLIC NAME exp + | FORMAT NAME + | SECT NAME COMMA exp + | SECT NAME exp + | SECT NAME EQ exp + | ALIGN_K NAME EQ exp + | ALIGN_K NAME COMMA exp + | ALIGNMOD NAME EQ exp + | ALIGNMOD NAME COMMA exp + | ABSOLUTE mri_abs_name_list + | LOAD mri_load_name_list + | NAMEWORD NAME + | ALIAS NAME COMMA NAME + | ALIAS NAME COMMA INT + | BASE exp + | TRUNCATE INT + | CASE casesymlist + | EXTERN extern_name_list + | INCLUDE filename mri_script_lines END + | START NAME + | + ; ordernamelist: - ordernamelist COMMA NAME // { mri_order($3); } - | ordernamelist NAME // { mri_order($2); } - | - ; + ordernamelist COMMA NAME + | ordernamelist NAME + | + ; mri_load_name_list: - NAME - // { mri_load($1); } - | mri_load_name_list COMMA NAME // { mri_load($3); } - ; + NAME + | mri_load_name_list COMMA NAME + ; mri_abs_name_list: - NAME - // { mri_only_load($1); } - | mri_abs_name_list COMMA NAME - // { mri_only_load($3); } - ; + NAME + | mri_abs_name_list COMMA NAME + ; casesymlist: - /* empty */ // { $$ = NULL; } - | NAME - | casesymlist COMMA NAME - ; + /* empty */ + | NAME + | casesymlist COMMA NAME + ; /* Parsed as expressions so that commas separate entries */ extern_name_list: - // { ldlex_expression (); } - extern_name_list_body - // { ldlex_popstate (); } + extern_name_list_body ; extern_name_list_body: - NAME - // { ldlang_add_undef ($1, FALSE); } - | extern_name_list_body NAME - // { ldlang_add_undef ($2, FALSE); } - | extern_name_list_body COMMA NAME - // { ldlang_add_undef ($3, FALSE); } - ; + NAME + | extern_name_list_body NAME + | extern_name_list_body COMMA NAME + ; script_file: - // { ldlex_both(); } - ifile_list - // { ldlex_popstate(); } - ; + ifile_list + ; ifile_list: - ifile_list ifile_p1 - | - ; + ifile_list ifile_p1 + | + ; ifile_p1: - memory - | sections - | phdrs - | startup - | high_level_library - | low_level_library - | floating_point_support - | statement_anywhere - | version - | SEMICOLON - | TARGET_K LPAREN NAME RPAREN - // { lang_add_target($3); } - | SEARCH_DIR LPAREN filename RPAREN - // { ldfile_add_library_path ($3, FALSE); } - | OUTPUT LPAREN filename RPAREN - // { lang_add_output($3, 1); } - | OUTPUT_FORMAT LPAREN NAME RPAREN - // { lang_add_output_format ($3, (char *) NULL, - // (char *) NULL, 1); } - | OUTPUT_FORMAT LPAREN NAME COMMA NAME COMMA NAME RPAREN - // { lang_add_output_format ($3, $5, $7, 1); } - | OUTPUT_ARCH LPAREN NAME RPAREN - // { ldfile_set_output_arch ($3, bfd_arch_unknown); } - | FORCE_COMMON_ALLOCATION - // { command_line.force_common_definition = TRUE ; } - | INHIBIT_COMMON_ALLOCATION - // { command_line.inhibit_common_definition = TRUE ; } - | INPUT LPAREN input_list RPAREN - | GROUP - // { lang_enter_group (); } - LPAREN input_list RPAREN - // { lang_leave_group (); } - | MAP LPAREN filename RPAREN - // { lang_add_map($3); } - | INCLUDE filename - // { ldlex_script (); ldfile_open_command_file($2); } - ifile_list END - // { ldlex_popstate (); } - | NOCROSSREFS LPAREN nocrossref_list RPAREN - // { - // lang_add_nocrossref ($3); - // } - | NOCROSSREFS_TO LPAREN nocrossref_list RPAREN - // { - // lang_add_nocrossref_to ($3); - // } - | EXTERN LPAREN extern_name_list RPAREN - | INSERT_K AFTER NAME - // { lang_add_insert ($3, 0); } - | INSERT_K BEFORE NAME - // { lang_add_insert ($3, 1); } - | REGION_ALIAS LPAREN NAME COMMA NAME RPAREN - // { lang_memory_region_alias ($3, $5); } - | LD_FEATURE LPAREN NAME RPAREN - // { lang_ld_feature ($3); } - ; + memory + | sections + | phdrs + | startup + | high_level_library + | low_level_library + | floating_point_support + | statement_anywhere + | version + | SEMICOLON + | TARGET_K LPAREN NAME RPAREN + | SEARCH_DIR LPAREN filename RPAREN + | OUTPUT LPAREN filename RPAREN + | OUTPUT_FORMAT LPAREN NAME RPAREN + | OUTPUT_FORMAT LPAREN NAME COMMA NAME COMMA NAME RPAREN + | OUTPUT_ARCH LPAREN NAME RPAREN + | FORCE_COMMON_ALLOCATION + | INHIBIT_COMMON_ALLOCATION + | INPUT LPAREN input_list RPAREN + | GROUP LPAREN input_list RPAREN + | MAP LPAREN filename RPAREN + | INCLUDE filename ifile_list END + | NOCROSSREFS LPAREN nocrossref_list RPAREN + | NOCROSSREFS_TO LPAREN nocrossref_list RPAREN + | EXTERN LPAREN extern_name_list RPAREN + | INSERT_K AFTER NAME + | INSERT_K BEFORE NAME + | REGION_ALIAS LPAREN NAME COMMA NAME RPAREN + | LD_FEATURE LPAREN NAME RPAREN + ; input_list: - // { ldlex_inputlist(); } - input_list1 - // { ldlex_popstate(); } + input_list1 ; input_list1: - NAME - // { lang_add_input_file($1,lang_input_file_is_search_file_enum, - // (char *)NULL); } - | input_list1 COMMA NAME - // { lang_add_input_file($3,lang_input_file_is_search_file_enum, - // (char *)NULL); } - | input_list1 NAME - // { lang_add_input_file($2,lang_input_file_is_search_file_enum, - // (char *)NULL); } - | LNAME - // { lang_add_input_file($1,lang_input_file_is_l_enum, - // (char *)NULL); } - | input_list1 COMMA LNAME - // { lang_add_input_file($3,lang_input_file_is_l_enum, - // (char *)NULL); } - | input_list1 LNAME - // { lang_add_input_file($2,lang_input_file_is_l_enum, - // (char *)NULL); } - | AS_NEEDED LPAREN - // { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; - // input_flags.add_DT_NEEDED_for_regular = TRUE; } - // input_list1 RPAREN - // { input_flags.add_DT_NEEDED_for_regular = $<integer>3; } - | input_list1 COMMA AS_NEEDED LPAREN - // { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; - // input_flags.add_DT_NEEDED_for_regular = TRUE; } - // input_list1 RPAREN - // { input_flags.add_DT_NEEDED_for_regular = $<integer>5; } - | input_list1 AS_NEEDED LPAREN - // { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; - // input_flags.add_DT_NEEDED_for_regular = TRUE; } - // input_list1 RPAREN - // { input_flags.add_DT_NEEDED_for_regular = $<integer>4; } - ; + NAME + | input_list1 COMMA NAME + | input_list1 NAME + | LNAME + | input_list1 COMMA LNAME + | input_list1 LNAME + | AS_NEEDED LPAREN + | input_list1 COMMA AS_NEEDED LPAREN + | input_list1 AS_NEEDED LPAREN + ; sections: - SECTIONS LBRACE sec_or_group_p1 RBRACE - ; + SECTIONS LBRACE sec_or_group_p1 RBRACE + ; sec_or_group_p1: - sec_or_group_p1 section - | sec_or_group_p1 statement_anywhere - | - ; + sec_or_group_p1 section + | sec_or_group_p1 statement_anywhere + | + ; statement_anywhere: - ENTRY LPAREN NAME RPAREN - // { lang_add_entry ($3, FALSE); } - | assignment end - | ASSERT_K /*{ldlex_expression ();}*/ LPAREN exp COMMA string RPAREN - // { ldlex_popstate (); - // lang_add_assignment (exp_assert ($4, $6)); } - ; + ENTRY LPAREN NAME RPAREN + | assignment end + | ASSERT_K LPAREN exp COMMA string RPAREN + ; /* The '*' and '?' cases are there because the lexer returns them as separate tokens rather than as name. */ wildcard_name: - NAME - // { - // $$ = $1; - // } - | STAR - // { - // $$ = "*"; - // } - | QUESTION - // { - // $$ = "?"; - // } - ; + NAME + | STAR + | QUESTION + ; wildcard_spec: - wildcard_name -// { -// $$.name = $1; -// $$.sorted = none; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | EXCLUDE_FILE LPAREN exclude_name_list RPAREN wildcard_name -// { -// $$.name = $5; -// $$.sorted = none; -// $$.exclude_name_list = $3; -// $$.section_flag_list = NULL; -// } - | SORT_BY_NAME LPAREN wildcard_name RPAREN -// { -// $$.name = $3; -// $$.sorted = by_name; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN -// { -// $$.name = $3; -// $$.sorted = by_alignment; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_NONE LPAREN wildcard_name RPAREN -// { -// $$.name = $3; -// $$.sorted = by_none; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_NAME LPAREN SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN RPAREN -// { -// $$.name = $5; -// $$.sorted = by_name_alignment; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_NAME LPAREN SORT_BY_NAME LPAREN wildcard_name RPAREN RPAREN -// { -// $$.name = $5; -// $$.sorted = by_name; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_ALIGNMENT LPAREN SORT_BY_NAME LPAREN wildcard_name RPAREN RPAREN -// { -// $$.name = $5; -// $$.sorted = by_alignment_name; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_ALIGNMENT LPAREN SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN RPAREN -// { -// $$.name = $5; -// $$.sorted = by_alignment; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - | SORT_BY_NAME LPAREN EXCLUDE_FILE LPAREN exclude_name_list RPAREN wildcard_name RPAREN -// { -// $$.name = $7; -// $$.sorted = by_name; -// $$.exclude_name_list = $5; -// $$.section_flag_list = NULL; -// } - | SORT_BY_INIT_PRIORITY LPAREN wildcard_name RPAREN -// { -// $$.name = $3; -// $$.sorted = by_init_priority; -// $$.exclude_name_list = NULL; -// $$.section_flag_list = NULL; -// } - ; - -sect_flag_list: NAME -// { -// struct flag_info_list *n; -// n = ((struct flag_info_list *) xmalloc (sizeof *n)); -// if ($1[0] == '!') -// { -// n->with = without_flags; -// n->name = &$1[1]; -// } -// else -// { -// n->with = with_flags; -// n->name = $1; -// } -// n->valid = FALSE; -// n->next = NULL; -// $$ = n; -// } - | sect_flag_list AMPERSAND NAME -// { -// struct flag_info_list *n; -// n = ((struct flag_info_list *) xmalloc (sizeof *n)); -// if ($3[0] == '!') -// { -// n->with = without_flags; -// n->name = &$3[1]; -// } -// else -// { -// n->with = with_flags; -// n->name = $3; -// } -// n->valid = FALSE; -// n->next = $1; -// $$ = n; -// } - ; + wildcard_name + | EXCLUDE_FILE LPAREN exclude_name_list RPAREN wildcard_name + | SORT_BY_NAME LPAREN wildcard_name RPAREN + | SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN + | SORT_NONE LPAREN wildcard_name RPAREN + | SORT_BY_NAME LPAREN SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN RPAREN + | SORT_BY_NAME LPAREN SORT_BY_NAME LPAREN wildcard_name RPAREN RPAREN + | SORT_BY_ALIGNMENT LPAREN SORT_BY_NAME LPAREN wildcard_name RPAREN RPAREN + | SORT_BY_ALIGNMENT LPAREN SORT_BY_ALIGNMENT LPAREN wildcard_name RPAREN RPAREN + | SORT_BY_NAME LPAREN EXCLUDE_FILE LPAREN exclude_name_list RPAREN wildcard_name RPAREN + | SORT_BY_INIT_PRIORITY LPAREN wildcard_name RPAREN + ; + +sect_flag_list: + NAME + | sect_flag_list AMPERSAND NAME + ; sect_flags: - /*not used by antlr: INPUT_SECTION_FLAGS*/ LPAREN sect_flag_list RPAREN -// { -// struct flag_info *n; -// n = ((struct flag_info *) xmalloc (sizeof *n)); -// n->flag_list = $3; -// n->flags_initialized = FALSE; -// n->not_with_flags = 0; -// n->only_with_flags = 0; -// $$ = n; -// } - ; + /*not used by antlr: INPUT_SECTION_FLAGS*/ LPAREN sect_flag_list RPAREN + ; exclude_name_list: - exclude_name_list wildcard_name -// { -// struct name_list *tmp; -// tmp = (struct name_list *) xmalloc (sizeof *tmp); -// tmp->name = $2; -// tmp->next = $1; -// $$ = tmp; -// } - | - wildcard_name -// { -// struct name_list *tmp; -// tmp = (struct name_list *) xmalloc (sizeof *tmp); -// tmp->name = $1; -// tmp->next = NULL; -// $$ = tmp; -// } - ; + exclude_name_list wildcard_name + | wildcard_name + ; file_name_list: - file_name_list opt_comma wildcard_spec -// { -// struct wildcard_list *tmp; -// tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); -// tmp->next = $1; -// tmp->spec = $3; -// $$ = tmp; -// } - | - wildcard_spec -// { -// struct wildcard_list *tmp; -// tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); -// tmp->next = NULL; -// tmp->spec = $1; -// $$ = tmp; -// } - ; + file_name_list opt_comma wildcard_spec + | wildcard_spec + ; input_section_spec_no_keep: - NAME -// { -// struct wildcard_spec tmp; -// tmp.name = $1; -// tmp.exclude_name_list = NULL; -// tmp.sorted = none; -// tmp.section_flag_list = NULL; -// lang_add_wild (&tmp, NULL, ldgram_had_keep); -// } - | sect_flags NAME -// { -// struct wildcard_spec tmp; -// tmp.name = $2; -// tmp.exclude_name_list = NULL; -// tmp.sorted = none; -// tmp.section_flag_list = $1; -// lang_add_wild (&tmp, NULL, ldgram_had_keep); -// } - | LBRACKET file_name_list RBRACKET -// { -// lang_add_wild (NULL, $2, ldgram_had_keep); -// } - | sect_flags LBRACKET file_name_list RBRACKET -// { -// struct wildcard_spec tmp; -// tmp.name = NULL; -// tmp.exclude_name_list = NULL; -// tmp.sorted = none; -// tmp.section_flag_list = $1; -// lang_add_wild (&tmp, $3, ldgram_had_keep); -// } - | wildcard_spec LPAREN file_name_list RPAREN -// { -// lang_add_wild (&$1, $3, ldgram_had_keep); -// } - | sect_flags wildcard_spec LPAREN file_name_list RPAREN -// { -// $2.section_flag_list = $1; -// lang_add_wild (&$2, $4, ldgram_had_keep); -// } - ; + NAME + | sect_flags NAME + | LBRACKET file_name_list RBRACKET + | sect_flags LBRACKET file_name_list RBRACKET + | wildcard_spec LPAREN file_name_list RPAREN + | sect_flags wildcard_spec LPAREN file_name_list RPAREN + ; input_section_spec: - input_section_spec_no_keep - | KEEP LPAREN -// { ldgram_had_keep = TRUE; } - input_section_spec_no_keep RPAREN -// { ldgram_had_keep = FALSE; } - ; + input_section_spec_no_keep + | KEEP LPAREN input_section_spec_no_keep RPAREN + ; statement: - assignment end - | CREATE_OBJECT_SYMBOLS -// { -// lang_add_attribute(lang_object_symbols_statement_enum); -// } - | SEMICOLON - | CONSTRUCTORS -// { -// -// lang_add_attribute(lang_constructors_statement_enum); -// } - | SORT_BY_NAME LPAREN CONSTRUCTORS RPAREN -// { -// constructors_sorted = TRUE; -// lang_add_attribute (lang_constructors_statement_enum); -// } - | input_section_spec - | length LPAREN mustbe_exp RPAREN -// { -// lang_add_data ((int) $1, $3); -// } - - | FILL LPAREN fill_exp RPAREN -// { -// lang_add_fill ($3); -// } - | ASSERT_K /*{ldlex_expression ();}*/ LPAREN exp COMMA NAME RPAREN end -// { ldlex_popstate (); -// lang_add_assignment (exp_assert ($4, $6)); } - | INCLUDE filename -// { ldlex_script (); ldfile_open_command_file($2); } - statement_list_opt END -// { ldlex_popstate (); } - ; + assignment end + | CREATE_OBJECT_SYMBOLS + | SEMICOLON + | CONSTRUCTORS + | SORT_BY_NAME LPAREN CONSTRUCTORS RPAREN + | input_section_spec + | length LPAREN mustbe_exp RPAREN + | FILL LPAREN fill_exp RPAREN + | ASSERT_K LPAREN exp COMMA NAME RPAREN end + | INCLUDE filename statement_list_opt END + ; statement_list: - statement_list statement - | statement - ; + statement_list statement + | statement + ; statement_list_opt: - /* empty */ - | statement_list - ; + /* empty */ + | statement_list + ; length: - QUAD -// { $$ = $1; } - | SQUAD -// { $$ = $1; } - | LONG -// { $$ = $1; } - | SHORT -// { $$ = $1; } - | BYTE -// { $$ = $1; } - ; + QUAD + | SQUAD + | LONG + | SHORT + | BYTE + ; fill_exp: - mustbe_exp -// { -// $$ = exp_get_fill ($1, 0, "fill value"); -// } - ; + mustbe_exp + ; fill_opt: - EQ fill_exp - // { $$ = $2; } - | // { $$ = (fill_type *) 0; } - ; + EQ fill_exp + | + ; assign_op: - PLUSEQ -// { $$ = '+'; } - | MINUSEQ -// { $$ = '-'; } - | MULTEQ -// { $$ = '*'; } - | DIVEQ -// { $$ = '/'; } - | LSHIFTEQ -// { $$ = LSHIFT; } - | RSHIFTEQ -// { $$ = RSHIFT; } - | ANDEQ -// { $$ = '&'; } - | OREQ -// { $$ = '|'; } - - ; - -end: SEMICOLON | COMMA - ; + PLUSEQ + | MINUSEQ + | MULTEQ + | DIVEQ + | LSHIFTEQ + | RSHIFTEQ + | ANDEQ + | OREQ + ; + +end: + SEMICOLON + | COMMA + ; assignment: - NAME EQ mustbe_exp -// { -// lang_add_assignment (exp_assign ($1, $3, FALSE)); -// } - | NAME assign_op mustbe_exp -// { -// lang_add_assignment (exp_assign ($1, -// exp_binop ($2, -// exp_nameop (NAME, -// $1), -// $3), FALSE)); -// } - | HIDDEN_ LPAREN NAME EQ mustbe_exp RPAREN -// { -// lang_add_assignment (exp_assign ($3, $5, TRUE)); -// } - | PROVIDE LPAREN NAME EQ mustbe_exp RPAREN -// { -// lang_add_assignment (exp_provide ($3, $5, FALSE)); -// } - | PROVIDE_HIDDEN LPAREN NAME EQ mustbe_exp RPAREN -// { -// lang_add_assignment (exp_provide ($3, $5, TRUE)); -// } - ; + NAME EQ mustbe_exp + | NAME assign_op mustbe_exp + | HIDDEN_ LPAREN NAME EQ mustbe_exp RPAREN + | PROVIDE LPAREN NAME EQ mustbe_exp RPAREN + | PROVIDE_HIDDEN LPAREN NAME EQ mustbe_exp RPAREN + ; opt_comma: - COMMA | ; + COMMA + | + ; memory: - MEMORY LBRACE memory_spec_list_opt RBRACE - ; + MEMORY LBRACE memory_spec_list_opt RBRACE + ; -memory_spec_list_opt: memory_spec_list | ; +memory_spec_list_opt: + memory_spec_list + | + ; memory_spec_list: - memory_spec_list opt_comma memory_spec - | memory_spec - ; - - -memory_spec: NAME -// { region = lang_memory_region_lookup ($1, TRUE); } - attributes_opt COLON - origin_spec opt_comma length_spec -// {} - | INCLUDE filename -// { ldlex_script (); ldfile_open_command_file($2); } - memory_spec_list_opt END -// { ldlex_popstate (); } - ; + memory_spec_list opt_comma memory_spec + | memory_spec + ; + +memory_spec: + NAME + attributes_opt COLON + origin_spec opt_comma length_spec + | INCLUDE filename memory_spec_list_opt END + ; origin_spec: - ORIGIN EQ mustbe_exp -// { -// region->origin_exp = $3; -// region->current = region->origin; -// } - ; + ORIGIN EQ mustbe_exp + ; length_spec: - LENGTH EQ mustbe_exp -// { -// region->length_exp = $3; -// } - ; + LENGTH EQ mustbe_exp + ; attributes_opt: - /* empty */ - /* { *//* dummy action to avoid bison 1.25 error message *//* } - |*/ LPAREN attributes_list RPAREN - ; + LPAREN attributes_list RPAREN + ; attributes_list: - attributes_string - | attributes_list attributes_string - ; + attributes_string + | attributes_list attributes_string + ; attributes_string: - NAME # attributeNormal -// { lang_set_flags (region, $1, 0); } - | EXLAMATION NAME # attributeInverted -// { lang_set_flags (region, $2, 1); } - ; + NAME # attributeNormal + | EXLAMATION NAME # attributeInverted + ; /* This would be best but the tokenizer would have to be made context sensitive which is too much work given how @@ -722,624 +365,306 @@ attributes_string : attribute: 'r' | 'w' | 'x' | 'a' | 'i' | 'l' ; */ startup: - STARTUP LPAREN filename RPAREN -// { lang_startup($3); } - ; + STARTUP LPAREN filename RPAREN + ; high_level_library: - HLL LPAREN high_level_library_NAME_list RPAREN - | HLL LPAREN RPAREN -// { ldemul_hll((char *)NULL); } - ; + HLL LPAREN high_level_library_NAME_list RPAREN + | HLL LPAREN RPAREN + ; high_level_library_NAME_list: - high_level_library_NAME_list opt_comma filename -// { ldemul_hll($3); } - | filename -// { ldemul_hll($1); } + high_level_library_NAME_list opt_comma filename + | filename - ; + ; low_level_library: - SYSLIB LPAREN low_level_library_NAME_list RPAREN - ; low_level_library_NAME_list: - low_level_library_NAME_list opt_comma filename -// { ldemul_syslib($3); } - | - ; + SYSLIB LPAREN low_level_library_NAME_list RPAREN + ; + +low_level_library_NAME_list: + low_level_library_NAME_list opt_comma filename + | + ; floating_point_support: - FLOAT -// { lang_float(TRUE); } - | NOFLOAT -// { lang_float(FALSE); } - ; + FLOAT + | NOFLOAT + ; nocrossref_list: - /* empty */ -// { -// $$ = NULL; -// } - | NAME nocrossref_list -// { -// struct lang_nocrossref *n; -// -// n = (struct lang_nocrossref *) xmalloc (sizeof *n); -// n->name = $1; -// n->next = $2; -// $$ = n; -// } - | NAME COMMA nocrossref_list -// { -// struct lang_nocrossref *n; -// -// n = (struct lang_nocrossref *) xmalloc (sizeof *n); -// n->name = $1; -// n->next = $3; -// $$ = n; -// } - ; - -mustbe_exp: // { ldlex_expression (); } - exp - // { ldlex_popstate (); $$=$2;} - ; - -exp : - DASH exp # expNegate // TODO: %prec UNARY -// { $$ = exp_unop ('-', $2); } - | LPAREN exp RPAREN # expParen -// { $$ = $2; } - | NEXT LPAREN exp RPAREN # expNextParen // TODO: %prec UNARY -// { $$ = exp_unop ((int) $1,$3); } - | EXLAMATION exp # expInvert // TODO: %prec UNARY -// { $$ = exp_unop ('!', $2); } - | PLUS exp # expPlus // TODO: %prec UNARY -// { $$ = $2; } - | TILDE exp # expMinus // TODO: %prec UNARY -// { $$ = exp_unop ('~', $2);} - | exp STAR exp # expMul -// { $$ = exp_binop ('*', $1, $3); } - | exp SLASH exp # expDiv -// { $$ = exp_binop ('/', $1, $3); } - | exp MOD exp # expMod -// { $$ = exp_binop ('%', $1, $3); } - | exp PLUS exp # expAdd -// { $$ = exp_binop ('+', $1, $3); } - | exp DASH exp # expSub -// { $$ = exp_binop ('-' , $1, $3); } - | exp LSHIFT exp # expLshift -// { $$ = exp_binop (LSHIFT , $1, $3); } - | exp RSHIFT exp # expRshift -// { $$ = exp_binop (RSHIFT , $1, $3); } - | exp EQEQ exp # expEq -// { $$ = exp_binop (EQ , $1, $3); } - | exp NE exp # expNe -// { $$ = exp_binop (NE , $1, $3); } - | exp LE exp # expLe -// { $$ = exp_binop (LE , $1, $3); } - | exp GE exp # expGe -// { $$ = exp_binop (GE , $1, $3); } - | exp LT exp # expLt -// { $$ = exp_binop ('<' , $1, $3); } - | exp GT exp # expGt -// { $$ = exp_binop ('>' , $1, $3); } - | exp AMPERSAND exp # expAnd -// { $$ = exp_binop ('&' , $1, $3); } - | exp HAT exp # expXor -// { $$ = exp_binop ('^' , $1, $3); } - | exp BAR exp # expOr -// { $$ = exp_binop ('|' , $1, $3); } - | exp QUESTION exp COLON exp # expTrinary -// { $$ = exp_trinop ('?' , $1, $3, $5); } - | exp ANDAND exp # expAndand -// { $$ = exp_binop (ANDAND , $1, $3); } - | exp OROR exp # expOror -// { $$ = exp_binop (OROR , $1, $3); } - | DEFINED LPAREN NAME RPAREN # expDefined -// { $$ = exp_nameop (DEFINED, $3); } - | INT # expInt -// { $$ = exp_bigintop ($1.integer, $1.str); } - | SIZEOF_HEADERS # expSizeofHeaders -// { $$ = exp_nameop (SIZEOF_HEADERS,0); } - | ALIGNOF LPAREN NAME RPAREN # expAlignof -// { $$ = exp_nameop (ALIGNOF,$3); } - | SIZEOF LPAREN NAME RPAREN # expSizeof -// { $$ = exp_nameop (SIZEOF,$3); } - | ADDR LPAREN NAME RPAREN # expAddr -// { $$ = exp_nameop (ADDR,$3); } - | LOADADDR LPAREN NAME RPAREN # expLoadaddr -// { $$ = exp_nameop (LOADADDR,$3); } - | CONSTANT LPAREN NAME RPAREN # expConstant -// { $$ = exp_nameop (CONSTANT,$3); } - | ABSOLUTE LPAREN exp RPAREN # expAbsolute -// { $$ = exp_unop (ABSOLUTE, $3); } - | ALIGN_K LPAREN exp RPAREN # expAlign -// { $$ = exp_unop (ALIGN_K,$3); } - | ALIGN_K LPAREN exp COMMA exp RPAREN # expAlignK -// { $$ = exp_binop (ALIGN_K,$3,$5); } - | DATA_SEGMENT_ALIGN LPAREN exp COMMA exp RPAREN # expDataSegmentAlign -// { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } - | DATA_SEGMENT_RELRO_END LPAREN exp COMMA exp RPAREN # expDataSegmentRelRoEnd -// { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); - | DATA_SEGMENT_END LPAREN exp RPAREN # expDataSegmentEnd -// { $$ = exp_unop (DATA_SEGMENT_END, $3); } - | SEGMENT_START LPAREN NAME COMMA exp RPAREN # expSegmentStart -// { /* The operands to the expression node are -// placed in the opposite order from the way -// in which they appear in the script as -// that allows us to reuse more code in -// fold_binary. */ -// $$ = exp_binop (SEGMENT_START, -// $5, -// exp_nameop (NAME, $3)); } - | BLOCK LPAREN exp RPAREN # expBlock -// { $$ = exp_unop (ALIGN_K,$3); } - | NAME # expName -// { $$ = exp_nameop (NAME,$1); } - | MAX_K LPAREN exp COMMA exp RPAREN # expMax -// { $$ = exp_binop (MAX_K, $3, $5 ); } - | MIN_K LPAREN exp COMMA exp RPAREN # expMin -// { $$ = exp_binop (MIN_K, $3, $5 ); } - | ASSERT_K LPAREN exp COMMA NAME RPAREN # expAssert -// { $$ = exp_assert ($3, $5); } - | ORIGIN LPAREN NAME RPAREN # expOrigin -// { $$ = exp_nameop (ORIGIN, $3); } - | LENGTH LPAREN NAME RPAREN # expLengthExp -// { $$ = exp_nameop (LENGTH, $3); } - | LOG2CEIL LPAREN exp RPAREN # expLog2ceil -// { $$ = exp_unop (LOG2CEIL, $3); } - ; + /* empty */ + | NAME nocrossref_list + | NAME COMMA nocrossref_list + ; +mustbe_exp: + exp + ; + +exp: + DASH exp # expNegate // TODO: %prec UNARY + | LPAREN exp RPAREN # expParen + | NEXT LPAREN exp RPAREN # expNextParen // TODO: %prec UNARY + | EXLAMATION exp # expInvert // TODO: %prec UNARY + | PLUS exp # expPlus // TODO: %prec UNARY + | TILDE exp # expMinus // TODO: %prec UNARY + | exp STAR exp # expMul + | exp SLASH exp # expDiv + | exp MOD exp # expMod + | exp PLUS exp # expAdd + | exp DASH exp # expSub + | exp LSHIFT exp # expLshift + | exp RSHIFT exp # expRshift + | exp EQEQ exp # expEq + | exp NE exp # expNe + | exp LE exp # expLe + | exp GE exp # expGe + | exp LT exp # expLt + | exp GT exp # expGt + | exp AMPERSAND exp # expAnd + | exp HAT exp # expXor + | exp BAR exp # expOr + | exp QUESTION exp COLON exp # expTrinary + | exp ANDAND exp # expAndand + | exp OROR exp # expOror + | DEFINED LPAREN NAME RPAREN # expDefined + | INT # expInt + | SIZEOF_HEADERS # expSizeofHeaders + | ALIGNOF LPAREN NAME RPAREN # expAlignof + | SIZEOF LPAREN NAME RPAREN # expSizeof + | ADDR LPAREN NAME RPAREN # expAddr + | LOADADDR LPAREN NAME RPAREN # expLoadaddr + | CONSTANT LPAREN NAME RPAREN # expConstant + | ABSOLUTE LPAREN exp RPAREN # expAbsolute + | ALIGN_K LPAREN exp RPAREN # expAlign + | ALIGN_K LPAREN exp COMMA exp RPAREN # expAlignK + | DATA_SEGMENT_ALIGN LPAREN exp COMMA exp RPAREN # expDataSegmentAlign + | DATA_SEGMENT_RELRO_END LPAREN exp COMMA exp RPAREN # expDataSegmentRelRoEnd + | DATA_SEGMENT_END LPAREN exp RPAREN # expDataSegmentEnd + | SEGMENT_START LPAREN NAME COMMA exp RPAREN # expSegmentStart + | BLOCK LPAREN exp RPAREN # expBlock + | NAME # expName + | MAX_K LPAREN exp COMMA exp RPAREN # expMax + | MIN_K LPAREN exp COMMA exp RPAREN # expMin + | ASSERT_K LPAREN exp COMMA NAME RPAREN # expAssert + | ORIGIN LPAREN NAME RPAREN # expOrigin + | LENGTH LPAREN NAME RPAREN # expLengthExp + | LOG2CEIL LPAREN exp RPAREN # expLog2ceil + ; memspec_at_opt: - AT GT NAME // { $$ = $3; } - | // { $$ = 0; } - ; + AT GT NAME + | + ; opt_at: - AT LPAREN exp RPAREN // { $$ = $3; } - | // { $$ = 0; } - ; + AT LPAREN exp RPAREN + | + ; opt_align: - ALIGN_K LPAREN exp RPAREN // { $$ = $3; } - | // { $$ = 0; } - ; + ALIGN_K LPAREN exp RPAREN + | + ; opt_align_with_input: - ALIGN_WITH_INPUT // { $$ = ALIGN_WITH_INPUT; } - | // { $$ = 0; } - ; + ALIGN_WITH_INPUT + | + ; opt_subalign: - SUBALIGN LPAREN exp RPAREN // { $$ = $3; } - | // { $$ = 0; } - ; + SUBALIGN LPAREN exp RPAREN + | + ; sect_constraint: - ONLY_IF_RO // { $$ = ONLY_IF_RO; } - | ONLY_IF_RW // { $$ = ONLY_IF_RW; } - | SPECIAL // { $$ = SPECIAL; } - | // { $$ = 0; } - ; - -section: NAME // { ldlex_expression(); } - opt_exp_with_type - opt_at - opt_align - opt_align_with_input - opt_subalign // { ldlex_popstate (); ldlex_script (); } - sect_constraint - LBRACE -// { -// lang_enter_output_section_statement($1, $3, -// sectype, -// $5, $7, $4, $9, $6); -// } - statement_list_opt - RBRACE // { ldlex_popstate (); ldlex_expression (); } - memspec_opt memspec_at_opt phdr_opt fill_opt -// { -// ldlex_popstate (); -// lang_leave_output_section_statement ($18, $15, $17, $16); -// } - opt_comma - {} - | OVERLAY -// { ldlex_expression (); } - opt_exp_without_type opt_nocrossrefs opt_at opt_subalign -// { ldlex_popstate (); ldlex_script (); } - LBRACE -// { -// lang_enter_overlay ($3, $6); -// } - overlay_section - RBRACE -// { ldlex_popstate (); ldlex_expression (); } - memspec_opt memspec_at_opt phdr_opt fill_opt -// { -// ldlex_popstate (); -// lang_leave_overlay ($5, (int) $4, -// $16, $13, $15, $14); -// } - opt_comma - | /* The GROUP case is just enough to support the gcc - svr3.ifile script. It is not intended to be full - support. I'm not even sure what GROUP is supposed - to mean. */ - GROUP // { ldlex_expression (); } - opt_exp_with_type -// { -// ldlex_popstate (); -// lang_add_assignment (exp_assign (".", $3, FALSE)); -// } - LBRACE sec_or_group_p1 RBRACE - | INCLUDE filename - // { ldlex_script (); ldfile_open_command_file($2); } - sec_or_group_p1 END - // { ldlex_popstate (); } - ; + ONLY_IF_RO + | ONLY_IF_RW + | SPECIAL + | + ; + +section: + NAME + opt_exp_with_type + opt_at + opt_align + opt_align_with_input + opt_subalign + sect_constraint LBRACE statement_list_opt RBRACE + memspec_opt memspec_at_opt phdr_opt fill_opt + opt_comma + {} + | OVERLAY + opt_exp_without_type opt_nocrossrefs opt_at opt_subalign + LBRACE overlay_section RBRACE + memspec_opt memspec_at_opt phdr_opt fill_opt + opt_comma + | /* The GROUP case is just enough to support the gcc + svr3.ifile script. It is not intended to be full + support. I'm not even sure what GROUP is supposed + to mean. */ + GROUP opt_exp_with_type LBRACE sec_or_group_p1 RBRACE + | INCLUDE filename sec_or_group_p1 END + ; type: - NOLOAD // { sectype = noload_section; } - | DSECT // { sectype = noalloc_section; } - | COPY // { sectype = noalloc_section; } - | INFO // { sectype = noalloc_section; } - | OVERLAY // { sectype = noalloc_section; } - ; + NOLOAD + | DSECT + | COPY + | INFO + | OVERLAY + ; atype: - LPAREN type RPAREN - | /* EMPTY */ // { sectype = normal_section; } - | LPAREN RPAREN // { sectype = normal_section; } - ; + LPAREN type RPAREN + | /* EMPTY */ + | LPAREN RPAREN + ; opt_exp_with_type: - exp atype COLON // { $$ = $1; } - | atype COLON // { $$ = (etree_type *)NULL; } - | /* The BIND cases are to support the gcc svr3.ifile - script. They aren't intended to implement full - support for the BIND keyword. I'm not even sure - what BIND is supposed to mean. */ - BIND LPAREN exp RPAREN atype COLON // { $$ = $3; } - | BIND LPAREN exp RPAREN BLOCK LPAREN exp RPAREN atype COLON - // { $$ = $3; } - ; + exp atype COLON + | atype COLON + | /* The BIND cases are to support the gcc svr3.ifile + script. They aren't intended to implement full + support for the BIND keyword. I'm not even sure + what BIND is supposed to mean. */ + BIND LPAREN exp RPAREN atype COLON + | BIND LPAREN exp RPAREN BLOCK LPAREN exp RPAREN atype COLON + ; opt_exp_without_type: - exp COLON // { $$ = $1; } - | COLON // { $$ = (etree_type *) NULL; } - ; + exp COLON + | COLON + ; opt_nocrossrefs: - /* empty */ -// { $$ = 0; } - | NOCROSSREFS -// { $$ = 1; } - ; + /* empty */ + | NOCROSSREFS + ; memspec_opt: - GT NAME - // { $$ = $2; } - | // { $$ = DEFAULT_MEMORY_REGION; } - ; + GT NAME + | + ; phdr_opt: - /* empty */ -// { -// $$ = NULL; -// } - | phdr_opt COLON NAME -// { -// struct lang_output_section_phdr_list *n; -// -// n = ((struct lang_output_section_phdr_list *) -// xmalloc (sizeof *n)); -// n->name = $3; -// n->used = FALSE; -// n->next = $1; -// $$ = n; -// } - ; + /* empty */ + | phdr_opt COLON NAME + ; overlay_section: - /* empty */ - | overlay_section - NAME -// { -// ldlex_script (); -// lang_enter_overlay_section ($2); -// } - LBRACE statement_list_opt RBRACE -// { ldlex_popstate (); ldlex_expression (); } - phdr_opt fill_opt -// { -// ldlex_popstate (); -// lang_leave_overlay_section ($9, $8); -// } - opt_comma - ; + /* empty */ + | overlay_section + NAME + LBRACE statement_list_opt RBRACE + phdr_opt fill_opt + opt_comma + ; phdrs: - PHDRS LBRACE phdr_list RBRACE - ; + PHDRS LBRACE phdr_list RBRACE + ; phdr_list: - /* empty */ - | phdr_list phdr - ; + /* empty */ + | phdr_list phdr + ; phdr: - NAME // { ldlex_expression (); } - phdr_type phdr_qualifiers // { ldlex_popstate (); } - SEMICOLON -// { -// lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, -// $4.flags); -// } - ; + NAME phdr_type phdr_qualifiers SEMICOLON + ; phdr_type: - exp -// { -// $$ = $1; -// -// if ($1->type.node_class == etree_name -// && $1->type.node_code ==name) -// { -// const char *s; -// unsigned int i; -// static const char * const phdr_types[] = -// { -// "PT_NULL", "PT_LOAD", "PT_DYNAMIC", -// "PT_INTERP", "PT_NOTE", "PT_SHLIB", -// "PT_PHDR", "PT_TLS" -// }; -// -// s = $1->name.name; -// for (i = 0; -// i < sizeof phdr_types / sizeof phdr_types[0]; -// i++) -// if (strcmp (s, phdr_types[i]) == 0) -// { -// $$ = exp_intop (i); -// break; -// } -// if (i == sizeof phdr_types / sizeof phdr_types[0]) -// { -// if (strcmp (s, "PT_GNU_EH_FRAME") == 0) -// $$ = exp_intop (0x6474e550); -// else if (strcmp (s, "PT_GNU_STACK") == 0) -// $$ = exp_intop (0x6474e551); -// else -// { -// einfo (_("\ -//%X%P:%S: unknown phdr type `%s' (try integer literal)\n"), -// NULL, s); -// $$ = exp_intop (0); -// } -// } -// } -// } - ; + exp + ; phdr_qualifiers: - /* empty */ -// { -// memset (&$$, 0, sizeof (struct phdr_info)); -// } - | NAME phdr_val phdr_qualifiers -// { -// $$ = $3; -// if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) -// $$.filehdr = TRUE; -// else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) -// $$.phdrs = TRUE; -// else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) -// $$.flags = $2; -// else -// einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), -// NULL, $1); -// } - | AT LPAREN exp RPAREN phdr_qualifiers -// { -// $$ = $5; -// $$.at = $3; -// } - ; + /* empty */ + | NAME phdr_val phdr_qualifiers + | AT LPAREN exp RPAREN phdr_qualifiers + ; phdr_val: - /* empty */ -// { -// $$ = NULL; -// } - | LPAREN exp RPAREN -// { -// $$ = $2; -// } - ; + /* empty */ + | LPAREN exp RPAREN + ; dynamic_list_file: -// { -// ldlex_version_file (); -// PUSH_ERROR (_("dynamic list")); -// } - dynamic_list_nodes -// { -// ldlex_popstate (); -// POP_ERROR (); -// } - ; + dynamic_list_nodes + ; dynamic_list_nodes: - dynamic_list_node - | dynamic_list_nodes dynamic_list_node - ; + dynamic_list_node + | dynamic_list_nodes dynamic_list_node + ; dynamic_list_node: - LBRACE dynamic_list_tag RBRACE SEMICOLON - ; + LBRACE dynamic_list_tag RBRACE SEMICOLON + ; dynamic_list_tag: - vers_defns SEMICOLON -// { -// lang_append_dynamic_list ($1); -// } - ; + vers_defns SEMICOLON + ; /* This syntax is used within an external version script file. */ version_script_file: -// { -// ldlex_version_file (); -// PUSH_ERROR (_("VERSION script")); -// } - vers_nodes -// { -// ldlex_popstate (); -// POP_ERROR (); -// } - ; + vers_nodes + ; /* This is used within a normal linker script file. */ version: -// { -// ldlex_version_script (); -// } - VERSIONK LBRACE vers_nodes RBRACE -// { -// ldlex_popstate (); -// } - ; + VERSIONK LBRACE vers_nodes RBRACE + ; vers_nodes: - vers_node - | vers_nodes vers_node - ; + vers_node + | vers_nodes vers_node + ; vers_node: - LBRACE vers_tag RBRACE SEMICOLON -// { -// lang_register_vers_node (NULL, $2, NULL); -// } - | VERS_TAG LBRACE vers_tag RBRACE SEMICOLON -// { -// lang_register_vers_node ($1, $3, NULL); -// } - | VERS_TAG LBRACE vers_tag RBRACE verdep SEMICOLON -// { -// lang_register_vers_node ($1, $3, $5); -// } - ; + LBRACE vers_tag RBRACE SEMICOLON + | VERS_TAG LBRACE vers_tag RBRACE SEMICOLON + | VERS_TAG LBRACE vers_tag RBRACE verdep SEMICOLON + ; verdep: - VERS_TAG -// { -// $$ = lang_add_vers_depend (NULL, $1); -// } - | verdep VERS_TAG -// { -// $$ = lang_add_vers_depend ($1, $2); -// } - ; + VERS_TAG + | verdep VERS_TAG + ; vers_tag: - /* empty */ -// { -// $$ = lang_new_vers_node (NULL, NULL); -// } - | vers_defns SEMICOLON -// { -// $$ = lang_new_vers_node ($1, NULL); -// } - | GLOBAL COLON vers_defns SEMICOLON -// { -// $$ = lang_new_vers_node ($3, NULL); -// } - | LOCAL COLON vers_defns SEMICOLON -// { -// $$ = lang_new_vers_node (NULL, $3); -// } - | GLOBAL COLON vers_defns SEMICOLON LOCAL COLON vers_defns SEMICOLON -// { -// $$ = lang_new_vers_node ($3, $7); -// } - ; + /* empty */ + | vers_defns SEMICOLON + | GLOBAL COLON vers_defns SEMICOLON + | LOCAL COLON vers_defns SEMICOLON + | GLOBAL COLON vers_defns SEMICOLON LOCAL COLON vers_defns SEMICOLON + ; vers_defns: - VERS_IDENTIFIER -// { -// $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE); -// } - | NAME -// { -// $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE); -// } - | vers_defns SEMICOLON VERS_IDENTIFIER -// { -// $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE); -// } - | vers_defns SEMICOLON NAME -// { -// $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE); -// } - | vers_defns SEMICOLON EXTERN NAME LBRACE -// { -// $<name>$ = ldgram_vers_current_lang; -// ldgram_vers_current_lang = $4; -// } - vers_defns opt_semicolon RBRACE -// { -// struct bfd_elf_version_expr *pat; -// for (pat = $7; pat->next != NULL; pat = pat->next); -// pat->next = $1; -// $$ = $7; -// ldgram_vers_current_lang = $<name>6; -// } - | EXTERN NAME LBRACE -// { -// $<name>$ = ldgram_vers_current_lang; -// ldgram_vers_current_lang = $2; -// } - vers_defns opt_semicolon RBRACE -// { -// $$ = $5; -// ldgram_vers_current_lang = $<name>4; -// } - | GLOBAL -// { -// $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE); -// } - | vers_defns SEMICOLON GLOBAL -// { -// $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE); -// } - | LOCAL -// { -// $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE); -// } - | vers_defns SEMICOLON LOCAL -// { -// $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE); -// } - | EXTERN -// { -// $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE); -// } - | vers_defns SEMICOLON EXTERN -// { -// $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE); -// } - ; + VERS_IDENTIFIER + | NAME + | vers_defns SEMICOLON VERS_IDENTIFIER + | vers_defns SEMICOLON NAME + | vers_defns SEMICOLON EXTERN NAME LBRACE + vers_defns opt_semicolon RBRACE + | EXTERN NAME LBRACE + vers_defns opt_semicolon RBRACE + | GLOBAL + | vers_defns SEMICOLON GLOBAL + | LOCAL + | vers_defns SEMICOLON LOCAL + | EXTERN + | vers_defns SEMICOLON EXTERN + ; opt_semicolon: - /* empty */ - | SEMICOLON - ; - -//name -// : NAME; + /* empty */ + | SEMICOLON + ; string: STRING_ANY*; |