gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / yyscript.y

diff --git a/gold/yyscript.y b/gold/yyscript.y
index 37b2670a67ed33f061152d1e2273a6881e5e85c4..d645dac2608c46de36a79765d29aab58a0892d8d 100644 (file)
--- a/gold/yyscript.y
+++ b/gold/yyscript.y
@@ -1,6 +1,6 @@
 /* yyscript.y -- linker script grammar for gold.  */
 
-/* Copyright (C) 2006-2014 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2020 Free Software Foundation, Inc.
    Written by Ian Lance Taylor <iant@google.com>.
 
    This file is part of gold.
@@ -137,6 +137,7 @@
 %token FORCE_COMMON_ALLOCATION
 %token GLOBAL          /* global */
 %token GROUP
+%token HIDDEN
 %token HLL
 %token INCLUDE
 %token INHIBIT_COMMON_ALLOCATION
@@ -175,6 +176,7 @@
 %token SIZEOF
 %token SIZEOF_HEADERS  /* SIZEOF_HEADERS, sizeof_headers */
 %token SORT_BY_ALIGNMENT
+%token SORT_BY_INIT_PRIORITY
 %token SORT_BY_NAME
 %token SPECIAL
 %token SQUAD
@@ -201,6 +203,9 @@
 %token PARSING_VERSION_SCRIPT
 %token PARSING_DEFSYM
 %token PARSING_DYNAMIC_LIST
+%token PARSING_SECTIONS_BLOCK
+%token PARSING_SECTION_COMMANDS
+%token PARSING_MEMORY_DEF
 
 /* Non-terminal types, where needed.  */
 
@@ -232,6 +237,9 @@ top:
        | PARSING_VERSION_SCRIPT version_script
        | PARSING_DEFSYM defsym_expr
         | PARSING_DYNAMIC_LIST dynamic_list_expr
+        | PARSING_SECTIONS_BLOCK sections_block
+        | PARSING_SECTION_COMMANDS section_cmds
+        | PARSING_MEMORY_DEF memory_defs
        ;
 
 /* A file contains a list of commands.  */
@@ -281,7 +289,14 @@ file_cmd:
             { script_push_lex_into_version_mode(closure); }
           version_script '}'
             { script_pop_lex_mode(closure); }
-       | file_or_sections_cmd
+       | ENTRY '(' string ')'
+           { script_set_entry(closure, $3.value, $3.length); }
+       | assignment end
+       | ASSERT_K '(' parse_exp ',' string ')'
+           { script_add_assertion(closure, $3, $5.value, $5.length); }
+       | INCLUDE string
+           { script_include_directive(PARSING_LINKER_SCRIPT, closure,
+                                      $2.value, $2.length); }
        | ignore_cmd
        | ';'
        ;
@@ -339,7 +354,14 @@ sections_block:
 
 /* A command which may appear within a SECTIONS block.  */
 section_block_cmd:
-         file_or_sections_cmd
+         ENTRY '(' string ')'
+           { script_set_entry(closure, $3.value, $3.length); }
+       | assignment end
+       | ASSERT_K '(' parse_exp ',' string ')'
+           { script_add_assertion(closure, $3, $5.value, $5.length); }
+       | INCLUDE string
+           { script_include_directive(PARSING_SECTIONS_BLOCK, closure,
+                                      $2.value, $2.length); }
        | string section_header
            { script_start_output_section(closure, $1.value, $1.length, &$2); }
          '{' section_cmds '}' section_trailer
@@ -529,7 +551,8 @@ section_cmd:
            }
        | SORT_BY_NAME '(' CONSTRUCTORS ')'
        | INCLUDE string
-           { script_include_directive(closure, $2.value, $2.length); }
+           { script_include_directive(PARSING_SECTION_COMMANDS, closure,
+                                      $2.value, $2.length); }
        | ';'
        ;
 
@@ -656,6 +679,11 @@ wildcard_section:
                  abort();
                }
            }
+       | SORT_BY_INIT_PRIORITY '(' wildcard_name ')'
+           {
+             $$.name = $3;
+             $$.sort = SORT_WILDCARD_BY_INIT_PRIORITY;
+           }
        ;
 
 /* A list of file names to exclude.  */
@@ -683,18 +711,6 @@ wildcard_name:
            }
        ;
 
-/* A command which may appear at the top level of a linker script, or
-   within a SECTIONS block.  */
-file_or_sections_cmd:
-         ENTRY '(' string ')'
-           { script_set_entry(closure, $3.value, $3.length); }
-       | assignment end
-       | ASSERT_K '(' parse_exp ',' string ')'
-           { script_add_assertion(closure, $3, $5.value, $5.length); }
-       | INCLUDE string
-           { script_include_directive(closure, $2.value, $2.length); }
-       ;
-
 /* A list of MEMORY definitions.  */
 memory_defs:
          memory_defs opt_comma memory_def
@@ -706,9 +722,9 @@ 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); }
+         { script_include_directive(PARSING_MEMORY_DEF, closure,
+                                    $2.value, $2.length); }
        |
        ;
 
@@ -849,6 +865,8 @@ assignment:
              Expression_ptr e = script_exp_binary_bitwise_or(s, $3);
              script_set_symbol(closure, $1.value, $1.length, e, 0, 0);
            }
+       | HIDDEN '(' string '=' parse_exp ')'
+           { script_set_symbol(closure, $3.value, $3.length, $5, 0, 1); }
        | PROVIDE '(' string '=' parse_exp ')'
            { script_set_symbol(closure, $3.value, $3.length, $5, 1, 0); }
        | PROVIDE_HIDDEN '(' string '=' parse_exp ')'