/* ldlang.h - linker command language support
- Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001
Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
#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,
} 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;
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_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,
/* 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;
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;
/* Generate a reloc in the output file. */
-typedef struct
-{
+typedef struct {
lang_statement_header_type header;
/* Reloc to generate. */
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;
/* 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;
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;
-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;
const char *filename;
boolean filenames_sorted;
+ struct wildcard_list *section_list;
boolean keep_sections;
- struct name_list *exclude_filename_list;
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;
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;
lang_data_statement_type data_statement;
lang_reloc_statement_type reloc_statement;
/* 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;
/* 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;
extern void lang_add_entry PARAMS ((const char *, boolean));
extern void lang_add_target PARAMS ((const char *));
extern void lang_add_wild
- PARAMS ((const char *, boolean, const char *, boolean, boolean, name_list *));
+ PARAMS ((struct wildcard_spec *, struct wildcard_list *, boolean));
extern void lang_add_map PARAMS ((const char *));
extern void lang_add_fill PARAMS ((int));
extern lang_assignment_statement_type * lang_add_assignment PARAMS ((union etree_union *));
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));
+ bfd_vma dot, boolean *relax));
extern void lang_enter_group PARAMS ((void));
extern void lang_leave_group PARAMS ((void));
-extern void wild_doit
+extern void lang_add_section
PARAMS ((lang_statement_list_type *ptr, asection *section,
lang_output_section_statement_type *output,
lang_input_statement_type *file));
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