From: Ian Lance Taylor <ian@airs.com>
Date: Fri, 27 May 1994 15:39:11 +0000 (+0000)
Subject: 	* ldlang.c (entry_symbol): Make static.
X-Git-Tag: gdb-4_18~14457
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=60e8a534070c8dc181b2fb4971b8199597a168f1;p=platform%2Fupstream%2Fbinutils.git

	* ldlang.c (entry_symbol): Make static.
	(lang_add_entry): Add cmdline argument.
	* ldlang.h (lang_add_entry): Change prototype.
	* ldgram.y (statement_anywhere): Change lang_add_entry call.
	* lexsup.c (parse_args): Likewise.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 54cea0e..70a81a4 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,7 +1,10 @@
 Fri May 27 01:08:14 1994  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 
-	* ldlang.c (lang_add_entry): Only set the entry symbol if it has
-	not been set already.
+	* ldlang.c (entry_symbol): Make static.
+	(lang_add_entry): Add cmdline argument.
+	* ldlang.h (lang_add_entry): Change prototype.
+	* ldgram.y (statement_anywhere): Change lang_add_entry call.
+	* lexsup.c (parse_args): Likewise.
 
 Tue May 24 16:13:43 1994  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 0640afe..4789b7c 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -155,7 +155,6 @@ mri_script_command:
 			einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1);
 			}
 	|	LIST  	{
-			write_map = true;
 			config.map_filename = "-";
 			}
         |       ORDER ordernamelist
@@ -282,7 +281,7 @@ sec_or_group_p1:
 
 statement_anywhere:
 		ENTRY '(' NAME ')'
-		{ lang_add_entry($3); }
+		{ lang_add_entry ($3, 0); }
 	|	assignment end
 	;
 
diff --git a/ld/ldlang.c b/ld/ldlang.c
index 3ad4ac6..b4a3850 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -143,7 +143,7 @@ lang_output_section_statement_type *abs_output_section;
 lang_statement_list_type *stat_ptr = &statement_list;
 lang_statement_list_type file_chain =
 {0};
-CONST char *entry_symbol = 0;
+static const char *entry_symbol = 0;
 boolean lang_has_input_file = false;
 boolean had_output_filename = false;
 boolean lang_float_flag = false;
@@ -2621,12 +2621,25 @@ lang_section_start (name, address)
   ad->address = address;
 }
 
+/* Set the start symbol to NAME.  CMDLINE is nonzero if this is called
+   because of a -e argument on the command line, or zero if this is
+   called by ENTRY in a linker script.  Command line arguments take
+   precedence.  */
+
 void
-lang_add_entry (name)
+lang_add_entry (name, cmdline)
      CONST char *name;
+     int cmdline;
 {
-  if (entry_symbol == NULL)
-    entry_symbol = name;
+  static int from_cmdline;
+
+  if (entry_symbol == NULL
+      || cmdline
+      || ! from_cmdline)
+    {
+      entry_symbol = name;
+      from_cmdline = cmdline;
+    }
 }
 
 void
diff --git a/ld/ldlang.h b/ld/ldlang.h
index 1e7e36a..a3a98e5 100644
--- a/ld/ldlang.h
+++ b/ld/ldlang.h
@@ -64,6 +64,7 @@ typedef struct lang_statement_header_struct
       lang_object_symbols_statement_enum,
       lang_fill_statement_enum,
       lang_data_statement_enum,
+      lang_reloc_statement_enum,
       lang_target_statement_enum,
       lang_output_statement_enum,
       lang_padding_statement_enum,
@@ -148,8 +149,38 @@ typedef struct
   bfd_vma output_vma;
 } lang_data_statement_type;
 
+/* Generate a reloc in the output file.  */
 
+typedef struct
+{
+  lang_statement_header_type header;
+
+  /* Reloc to generate.  */
+  bfd_reloc_code_real_type reloc;
 
+  /* Reloc howto structure.  */
+  const reloc_howto_type *howto;
+
+  /* Section to generate reloc against.  Exactly one of section and
+     name must be NULL.  */
+  asection *section;
+
+  /* Name of symbol to generate reloc against.  Exactly one of section
+     and name must be NULL.  */
+  const char *name;
+
+  /* Expression for addend.  */
+  union etree_union *addend_exp;
+
+  /* Resolved addend.  */
+  bfd_vma addend_value;
+
+  /* Output section where reloc should be performed.  */
+  asection *output_section;
+
+  /* VMA within output section.  */
+  bfd_vma output_vma;
+} lang_reloc_statement_type;
 
 typedef struct lang_input_statement_struct
 {
@@ -259,6 +290,7 @@ typedef union lang_statement_union
   union lang_statement_union *next;
   lang_wild_statement_type wild_statement;
   lang_data_statement_type data_statement;
+  lang_reloc_statement_type reloc_statement;
   lang_address_statement_type address_statement;
   lang_output_section_statement_type output_section_statement;
   lang_afile_asection_pair_statement_type afile_asection_pair_statement;
@@ -273,7 +305,6 @@ typedef union lang_statement_union
   lang_padding_statement_type padding_statement;
 } lang_statement_union_type;
 
-extern bfd_size_type largest_section;
 extern lang_output_section_statement_type *abs_output_section;
 extern boolean lang_has_input_file;
 extern etree_type *base;
@@ -297,7 +328,7 @@ extern void lang_enter_output_section_statement
 extern void lang_final PARAMS ((void));
 extern void lang_process PARAMS ((void));
 extern void lang_section_start PARAMS ((const char *, union etree_union *));
-extern void lang_add_entry PARAMS ((const char *));
+extern void lang_add_entry PARAMS ((const char *, int));
 extern void lang_add_target PARAMS ((const char *));
 extern void lang_add_wild PARAMS ((const char *const , const char *const));
 extern void lang_add_map PARAMS ((const char *));
@@ -324,37 +355,6 @@ extern void lang_for_each_file
        statement != (lang_input_statement_type *)NULL;		\
        statement = (lang_input_statement_type *)statement->next)\
   
-#define LANG_FOR_EACH_INPUT_SECTION(statement, abfd, section, x)	\
-  {									\
-    extern lang_statement_list_type file_chain;				\
-    lang_input_statement_type *statement;				\
-    for (statement = (lang_input_statement_type *)file_chain.head;	\
-	 statement != (lang_input_statement_type *)NULL;		\
-	 statement = (lang_input_statement_type *)statement->next)	\
-      {									\
-	asection *section;						\
-	bfd *abfd = statement->the_bfd;					\
-        for (section = abfd->sections;					\
-	     section != (asection *)NULL;				\
-	     section = section->next)					\
-	  {								\
-	    x;								\
-	  }								\
-      }									\
-  }
-
-#define LANG_FOR_EACH_OUTPUT_SECTION(section, x)		\
-  {								\
-    extern bfd *output_bfd;					\
-    asection *section;      					\
-    for (section = output_bfd->sections;			\
-	 section != (asection *)NULL;				\
-	 section = section->next)				\
-      {								\
-	x;							\
-      }								\
-  }
-
 extern void lang_process PARAMS ((void));
 extern void ldlang_add_file PARAMS ((lang_input_statement_type *));
 extern lang_output_section_statement_type *lang_output_section_find
@@ -369,8 +369,16 @@ extern void ldlang_add_undef PARAMS ((const char *const name));
 extern void lang_add_output_format PARAMS ((const char *, int from_script));
 extern void lang_list_init PARAMS ((lang_statement_list_type*));
 extern void lang_add_data PARAMS ((int type, union etree_union *));
+extern void lang_add_reloc
+  PARAMS ((bfd_reloc_code_real_type reloc, const reloc_howto_type *howto,
+	   asection *section, const char *name, union etree_union *addend));
 extern void lang_for_each_statement
   PARAMS ((void (*func) (lang_statement_union_type *)));
 extern PTR stat_alloc PARAMS ((size_t size));
+extern bfd_vma lang_size_sections
+  PARAMS ((lang_statement_union_type *s,
+	   lang_output_section_statement_type *output_section_statement,
+	   lang_statement_union_type **prev, fill_type fill,
+	   bfd_vma dot, boolean relax));
 
 #endif
diff --git a/ld/lexsup.c b/ld/lexsup.c
index a397574..058f546 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -168,7 +168,7 @@ parse_args (argc, argv)
 	     be used to select an output format.  */
 	  break;
 	case 'e':
-	  lang_add_entry (optarg);
+	  lang_add_entry (optarg, 1);
 	  break;
 	case 'F':
 	  /* Ignore.  */