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-rw-r--r--contrib/binutils/ld/ldlang.h200
1 files changed, 91 insertions, 109 deletions
diff --git a/contrib/binutils/ld/ldlang.h b/contrib/binutils/ld/ldlang.h
index 553db4b..ac0fd28 100644
--- a/contrib/binutils/ld/ldlang.h
+++ b/contrib/binutils/ld/ldlang.h
@@ -1,19 +1,19 @@
/* ldlang.h - linker command language support
- Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001
Free Software Foundation, Inc.
-
+
This file is part of GLD, the Gnu Linker.
-
+
GLD is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
-
+
GLD is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with GLD; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
@@ -22,8 +22,7 @@
#ifndef LDLANG_H
#define LDLANG_H
-typedef enum
-{
+typedef enum {
lang_input_file_is_l_enum,
lang_input_file_is_symbols_only_enum,
lang_input_file_is_marker_enum,
@@ -33,15 +32,13 @@ typedef enum
} lang_input_file_enum_type;
typedef unsigned int fill_type;
-typedef struct statement_list
-{
+
+typedef struct statement_list {
union lang_statement_union *head;
union lang_statement_union **tail;
} lang_statement_list_type;
-
-typedef struct memory_region_struct
-{
+typedef struct memory_region_struct {
char *name;
struct memory_region_struct *next;
bfd_vma origin;
@@ -51,58 +48,49 @@ typedef struct memory_region_struct
flagword flags;
flagword not_flags;
boolean had_full_message;
-} lang_memory_region_type ;
-
-typedef struct lang_statement_header_struct
-{
- union lang_statement_union *next;
- enum statement_enum
- {
- lang_output_section_statement_enum,
- lang_assignment_statement_enum,
- lang_input_statement_enum,
- lang_address_statement_enum,
- lang_wild_statement_enum,
- lang_input_section_enum,
- 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,
- lang_group_statement_enum,
-
- lang_afile_asection_pair_statement_enum,
- lang_constructors_statement_enum
- } type;
-} lang_statement_header_type;
+} lang_memory_region_type;
+typedef struct lang_statement_header_struct {
+ union lang_statement_union *next;
+ enum statement_enum {
+ lang_output_section_statement_enum,
+ lang_assignment_statement_enum,
+ lang_input_statement_enum,
+ lang_address_statement_enum,
+ lang_wild_statement_enum,
+ lang_input_section_enum,
+ 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,
+ lang_group_statement_enum,
+
+ lang_afile_asection_pair_statement_enum,
+ lang_constructors_statement_enum
+ } type;
+} lang_statement_header_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
union etree_union *exp;
} lang_assignment_statement_type;
-
-typedef struct lang_target_statement_struct
-{
+typedef struct lang_target_statement_struct {
lang_statement_header_type header;
const char *target;
} lang_target_statement_type;
-
-typedef struct lang_output_statement_struct
-{
+typedef struct lang_output_statement_struct {
lang_statement_header_type header;
const char *name;
} lang_output_statement_type;
/* Section types specified in a linker script. */
-enum section_type
-{
+enum section_type {
normal_section,
dsect_section,
copy_section,
@@ -114,15 +102,13 @@ enum section_type
/* This structure holds a list of program headers describing segments
in which this section should be placed. */
-struct lang_output_section_phdr_list
-{
+struct lang_output_section_phdr_list {
struct lang_output_section_phdr_list *next;
const char *name;
boolean used;
};
-typedef struct lang_output_section_statement_struct
-{
+typedef struct lang_output_section_statement_struct {
lang_statement_header_type header;
union etree_union *addr_tree;
lang_statement_list_type children;
@@ -131,7 +117,7 @@ typedef struct lang_output_section_statement_struct
const char *name;
boolean processed;
-
+
asection *bfd_section;
flagword flags; /* Or together of all input sections */
enum section_type sectype;
@@ -140,38 +126,33 @@ typedef struct lang_output_section_statement_struct
size_t block_value;
fill_type fill;
- int subsection_alignment; /* alignment of components */
- int section_alignment; /* alignment of start of section */
+ int subsection_alignment; /* alignment of components */
+ int section_alignment; /* alignment of start of section */
union etree_union *load_base;
struct lang_output_section_phdr_list *phdrs;
} lang_output_section_statement_type;
-
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
} lang_common_statement_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
} lang_object_symbols_statement_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
fill_type fill;
int size;
asection *output_section;
} lang_fill_statement_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
unsigned int type;
- union etree_union *exp;
+ union etree_union *exp;
bfd_vma value;
asection *output_section;
bfd_vma output_vma;
@@ -179,8 +160,7 @@ typedef struct
/* Generate a reloc in the output file. */
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
/* Reloc to generate. */
@@ -210,8 +190,7 @@ typedef struct
bfd_vma output_vma;
} lang_reloc_statement_type;
-typedef struct lang_input_statement_struct
-{
+typedef struct lang_input_statement_struct {
lang_statement_header_type header;
/* Name of this file. */
const char *filename;
@@ -219,32 +198,32 @@ typedef struct lang_input_statement_struct
/* Usually the same as filename, but for a file spec'd with -l
this is the -l switch itself rather than the filename. */
const char *local_sym_name;
-
+
bfd *the_bfd;
-
+
boolean closed;
file_ptr passive_position;
-
+
/* Symbol table of the file. */
asymbol **asymbols;
unsigned int symbol_count;
-
+
/* Point to the next file - whatever it is, wanders up and down
archives */
-
- union lang_statement_union *next;
+
+ union lang_statement_union *next;
/* Point to the next file, but skips archive contents */
- union lang_statement_union *next_real_file;
-
+ union lang_statement_union *next_real_file;
+
boolean is_archive;
-
+
/* 1 means search a set of directories for this file. */
boolean search_dirs_flag;
-
+
/* 1 means this is base file of incremental load.
Do not load this file's text or data.
- Also default text_start to after this file's bss. */
-
+ Also default text_start to after this file's bss. */
+
boolean just_syms_flag;
/* Whether to search for this entry as a dynamic archive. */
@@ -254,30 +233,28 @@ typedef struct lang_input_statement_struct
boolean whole_archive;
boolean loaded;
-
- /* unsigned int globals_in_this_file;*/
+
+#if 0
+ unsigned int globals_in_this_file;
+#endif
const char *target;
boolean real;
} lang_input_statement_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
asection *section;
lang_input_statement_type *ifile;
-
-} lang_input_section_type;
+} lang_input_section_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
asection *section;
union lang_statement_union *file;
} lang_afile_asection_pair_statement_type;
-typedef struct lang_wild_statement_struct
-{
+typedef struct lang_wild_statement_struct {
lang_statement_header_type header;
const char *section_name;
boolean sections_sorted;
@@ -288,15 +265,13 @@ typedef struct lang_wild_statement_struct
lang_statement_list_type children;
} lang_wild_statement_type;
-typedef struct lang_address_statement_struct
-{
+typedef struct lang_address_statement_struct {
lang_statement_header_type header;
- const char *section_name;
- union etree_union *address;
+ const char *section_name;
+ union etree_union *address;
} lang_address_statement_type;
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
bfd_vma output_offset;
size_t size;
@@ -309,14 +284,12 @@ typedef struct
symbols are found. The effect is to search a group of libraries as
though they were a single library. */
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
lang_statement_list_type children;
} lang_group_statement_type;
-typedef union lang_statement_union
-{
+typedef union lang_statement_union {
lang_statement_header_type header;
union lang_statement_union *next;
lang_wild_statement_type wild_statement;
@@ -340,8 +313,7 @@ typedef union lang_statement_union
/* This structure holds information about a program header, from the
PHDRS command in the linker script. */
-struct lang_phdr
-{
+struct lang_phdr {
struct lang_phdr *next;
const char *name;
unsigned long type;
@@ -354,22 +326,30 @@ struct lang_phdr
/* This structure is used to hold a list of sections which may not
cross reference each other. */
-struct lang_nocrossref
-{
+struct lang_nocrossref {
struct lang_nocrossref *next;
const char *name;
};
/* The list of nocrossref lists. */
-struct lang_nocrossrefs
-{
+struct lang_nocrossrefs {
struct lang_nocrossrefs *next;
struct lang_nocrossref *list;
};
extern struct lang_nocrossrefs *nocrossref_list;
+/* This structure is used to hold a list of input section names which
+ will not match an output section in the linker script. */
+
+struct unique_sections {
+ struct unique_sections *next;
+ const char *name;
+};
+
+extern struct unique_sections *unique_section_list;
+
extern lang_output_section_statement_type *abs_output_section;
extern lang_statement_list_type lang_output_section_statement;
extern boolean lang_has_input_file;
@@ -379,6 +359,7 @@ extern boolean delete_output_file_on_failure;
extern const char *entry_symbol;
extern boolean entry_from_cmdline;
+extern lang_statement_list_type file_chain;
extern void lang_init PARAMS ((void));
extern struct memory_region_struct *lang_memory_region_lookup
@@ -430,12 +411,11 @@ extern bfd_vma lang_do_assignments
bfd_vma dot));
#define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
- 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)\
-
+
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
@@ -492,5 +472,7 @@ extern struct bfd_elf_version_deps *lang_add_vers_depend
extern void lang_register_vers_node
PARAMS ((const char *, struct bfd_elf_version_tree *,
struct bfd_elf_version_deps *));
+boolean unique_section_p PARAMS ((const char *));
+extern void lang_add_unique PARAMS ((const char *));
#endif
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