diff options
Diffstat (limited to 'gold/yyscript.y')
| -rw-r--r-- | gold/yyscript.y | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/gold/yyscript.y b/gold/yyscript.y index 203deb7..18f9496 100644 --- a/gold/yyscript.y +++ b/gold/yyscript.y @@ -143,6 +143,7 @@ %token INFO %token INPUT %token KEEP +%token LEN %token LENGTH /* LENGTH, l, len */ %token LOADADDR %token LOCAL /* local */ @@ -157,6 +158,7 @@ %token NOLOAD %token ONLY_IF_RO %token ONLY_IF_RW +%token ORG %token ORIGIN /* ORIGIN, o, org */ %token OUTPUT %token OUTPUT_ARCH @@ -215,7 +217,7 @@ %type <wildcard_section> wildcard_file wildcard_section %type <string_list> exclude_names %type <string> wildcard_name -%type <integer> phdr_type +%type <integer> phdr_type memory_attr %type <phdr_info> phdr_info %type <versyms> vers_defns %type <versnode> vers_tag @@ -250,6 +252,7 @@ file_cmd: | INHIBIT_COMMON_ALLOCATION { script_set_common_allocation(closure, 0); } | INPUT '(' input_list ')' + | MEMORY '{' memory_defs '}' | OPTION '(' string ')' { script_parse_option(closure, $3.value, $3.length); } | OUTPUT_FORMAT '(' string ')' @@ -471,14 +474,14 @@ section_trailer: /* A memory specification for an output section. */ opt_memspec: '>' string - { yyerror(closure, "memory regions are not supported"); } + { script_set_section_region(closure, $2.value, $2.length, 1); } | /* empty */ ; /* A memory specification for where to load an output section. */ opt_at_memspec: AT '>' string - { yyerror(closure, "memory regions are not supported"); } + { script_set_section_region(closure, $3.value, $3.length, 0); } | /* empty */ ; @@ -688,6 +691,50 @@ file_or_sections_cmd: { script_add_assertion(closure, $3, $5.value, $5.length); } ; +/* A list of MEMORY definitions. */ +memory_defs: + memory_defs opt_comma memory_def + | /* empty */ + ; + +/* A single MEMORY definition. */ +memory_def: + string memory_attr ':' memory_origin '=' parse_exp opt_comma memory_length '=' parse_exp + { script_add_memory(closure, $1.value, $1.length, $2, $6, $10); } + | + /* LD supports an INCLUDE directive here, currently GOLD does not. */ + INCLUDE string + { script_include_directive(closure, $2.value, $2.length); } + | + ; + +/* The (optional) attributes of a MEMORY region. */ +memory_attr: + '(' string ')' + { $$ = script_parse_memory_attr(closure, $2.value, $2.length, 0); } + | /* Inverted attributes. */ + '(' '!' string ')' + { $$ = script_parse_memory_attr(closure, $3.value, $3.length, 1); } + | /* empty */ + { $$ = 0; } + ; + +memory_origin: + ORIGIN + | + ORG + | + 'o' + ; + +memory_length: + LENGTH + | + LEN + | + 'l' + ; + /* A list of program header definitions. */ phdrs_defs: phdrs_defs phdr_def @@ -885,9 +932,9 @@ exp: | LOADADDR '(' string ')' { $$ = script_exp_function_loadaddr($3.value, $3.length); } | ORIGIN '(' string ')' - { $$ = script_exp_function_origin($3.value, $3.length); } + { $$ = script_exp_function_origin(closure, $3.value, $3.length); } | LENGTH '(' string ')' - { $$ = script_exp_function_length($3.value, $3.length); } + { $$ = script_exp_function_length(closure, $3.value, $3.length); } | CONSTANT '(' string ')' { $$ = script_exp_function_constant($3.value, $3.length); } | ABSOLUTE '(' exp ')' |