-/* ld.h -
-
- Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* ld.h -- general linker header file
+ Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
-#define flag_is_not_at_end(x) ((x) & BSF_NOT_AT_END)
-#define flag_is_ordinary_local(x) (((x) & (BSF_LOCAL))&!((x) & (BSF_DEBUGGING)))
-#define flag_is_debugger(x) ((x) & BSF_DEBUGGING)
-#define flag_is_undefined_or_global(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL))
-#define flag_is_defined(x) (!((x) & (BSF_UNDEFINED)))
-#define flag_is_global_or_common(x) ((x) & (BSF_GLOBAL | BSF_FORT_COMM))
-#define flag_is_undefined_or_global_or_common(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL | BSF_FORT_COMM))
-#define flag_is_undefined_or_global_or_common_or_constructor(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL | BSF_FORT_COMM | BSF_CONSTRUCTOR))
-#define flag_is_constructor(x) ((x) & BSF_CONSTRUCTOR)
-#define flag_is_common(x) ((x) & BSF_FORT_COMM)
-#define flag_is_global(x) ((x) & (BSF_GLOBAL))
-#define flag_is_weak(x) ((x) & BSF_WEAK)
-#define flag_is_undefined(x) ((x) & BSF_UNDEFINED)
-#define flag_set(x,y) (x = y)
-#define flag_is_fort_comm(x) ((x) & BSF_FORT_COMM)
-#define flag_is_absolute(x) ((x) & BSF_ABSOLUTE)
-/* Extra information we hold on sections */
-typedef struct user_section_struct {
- /* Pointer to the section where this data will go */
- struct lang_input_statement_struct *file;
-} section_userdata_type;
-
-
-#define get_userdata(x) ((x)->userdata)
-#define as_output_section_statement(x) ((x)->otheruserdata)
-
+ along with GLD; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+#ifndef LD_H
+#define LD_H
-/* Which symbols should be stripped (omitted from the output):
- none, all, or debugger symbols. */
-typedef enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER, STRIP_SOME } strip_symbols_type;
+/* Look in this environment name for the linker to pretend to be */
+#define EMULATION_ENVIRON "LDEMULATION"
+/* If in there look for the strings: */
+/* Look in this variable for a target format */
+#define TARGET_ENVIRON "GNUTARGET"
+/* Input sections which are put in a section of this name are actually
+ discarded. */
+#define DISCARD_SECTION_NAME "/DISCARD/"
+/* Extra information we hold on sections */
+typedef struct user_section_struct
+{
+ /* Pointer to the section where this data will go */
+ struct lang_input_statement_struct *file;
+} section_userdata_type;
-/* Which local symbols should be omitted:
- none, all, or those starting with L.
- This is irrelevant if STRIP_NONE. */
-typedef enum { DISCARD_NONE, DISCARD_ALL, DISCARD_L } discard_locals_type;
+#define get_userdata(x) ((x)->userdata)
#define BYTE_SIZE (1)
#define SHORT_SIZE (2)
#define LONG_SIZE (4)
+#define QUAD_SIZE (8)
/* ALIGN macro changed to ALIGN_N to avoid */
/* conflict in /usr/include/machine/machparam.h */
-/* WARNING: If THIS is a 64 bit address and BOUNDARY is an unsigned int,
+/* WARNING: If THIS is a 64 bit address and BOUNDARY is a 32 bit int,
you must coerce boundary to the same type as THIS.
??? Is there a portable way to avoid this. */
-#define ALIGN_N(this, boundary) ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
+#define ALIGN_N(this, boundary) \
+ ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
-typedef struct {
+typedef struct
+{
/* 1 => assign space to common symbols even if `relocatable_output'. */
boolean force_common_definition;
boolean relax;
-
+
+ /* Name of runtime interpreter to invoke. */
+ char *interpreter;
+
+ /* Name to give runtime libary from the -soname argument. */
+ char *soname;
+
+ /* Runtime library search path from the -rpath argument. */
+ char *rpath;
+
+ /* Link time runtime library search path from the -rpath-link
+ argument. */
+ char *rpath_link;
+
+ /* Big or little endian as set on command line. */
+ enum { ENDIAN_UNSET = 0, ENDIAN_BIG, ENDIAN_LITTLE } endian;
+
+ /* If true, export all symbols in the dynamic symbol table of an ELF
+ executable. */
+ boolean export_dynamic;
+
+ /* If true, build MIPS embedded PIC relocation tables in the output
+ file. */
+ boolean embedded_relocs;
+
+ /* If true, force generation of a file with a .exe file. */
+ boolean force_exe_suffix;
+
+ /* If true, generate a cross reference report. */
+ boolean cref;
} args_type;
+extern args_type command_line;
+
typedef int token_code_type;
typedef struct
bfd_size_type specified_data_size;
boolean magic_demand_paged;
boolean make_executable;
- /* 1 => write relocation into output file so can re-input it later. */
- boolean relocateable_output;
- /* Will we build contstructors, or leave alone ? */
+ /* If true, doing a dynamic link. */
+ boolean dynamic_link;
+
+ /* If true, build constructors. */
boolean build_constructors;
+ /* If true, warn about any constructors. */
+ boolean warn_constructors;
+
/* If true, warn about merging common symbols with others. */
boolean warn_common;
- boolean sort_common;
-/* these flags may seem mutually exclusive, but not setting them
- allows the back end to decide what would be the best thing to do */
- boolean text_read_only;
+ /* If true, only warn once about a particular undefined symbol. */
+ boolean warn_once;
- char *map_filename;
- FILE *map_file;
+ /* If true, warn if multiple global-pointers are needed (Alpha
+ only). */
+ boolean warn_multiple_gp;
-} ld_config_type;
-#define set_asymbol_chain(x,y) ((x)->udata = (PTR)y)
-#define get_asymbol_chain(x) ((asymbol **)((x)->udata))
-#define get_loader_symbol(x) ((loader_global_asymbol *)((x)->udata))
-#define set_loader_symbol(x,y) ((x)->udata = (PTR)y)
+ boolean sort_common;
+ boolean text_read_only;
+ char *map_filename;
+ FILE *map_file;
+ boolean stats;
+ int split_by_reloc;
+ boolean split_by_file;
+} ld_config_type;
+extern ld_config_type config;
-typedef enum {
+typedef enum
+{
lang_first_phase_enum,
lang_allocating_phase_enum,
- lang_final_phase_enum } lang_phase_type;
+ lang_final_phase_enum
+} lang_phase_type;
+extern boolean had_script;
+extern boolean force_make_executable;
+/* Non-zero if we are processing a --defsym from the command line. */
+extern int parsing_defsym;
+extern int yyparse PARAMS ((void));
+extern void add_cref PARAMS ((const char *, bfd *, asection *, bfd_vma));
+extern void output_cref PARAMS ((FILE *));
-int yyparse();
+#endif
projects / deliverable / binutils-gdb.git / blobdiff