/* write.h
- Copyright (C) 1987, 92, 93, 94, 95, 96, 97, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2020 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS 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 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#ifndef __write_h__
#define __write_h__
-#ifndef TC_I960
-#ifdef hpux
-#define EXEC_MACHINE_TYPE HP9000S200_ID
-#endif
-#endif /* TC_I960 */
-
-#ifndef BFD_ASSEMBLER
-
-#ifndef LOCAL_LABEL
-#define LOCAL_LABEL(name) (name [0] == 'L' )
-#endif
-
-#define S_LOCAL_NAME(s) (LOCAL_LABEL (S_GET_NAME (s)))
-
-#endif /* ! BFD_ASSEMBLER */
-
/* This is the name of a fake symbol which will never appear in the
assembler output. S_IS_LOCAL detects it because of the \001. */
+#ifndef FAKE_LABEL_NAME
#define FAKE_LABEL_NAME "L0\001"
+#endif
-#include "bit_fix.h"
+/* This is a special character that is used to indicate a fake label.
+ It must be present in FAKE_LABEL_NAME, although it does not have to
+ be the first character. It must not be a character that would be
+ found in a valid symbol name.
+
+ Also be aware that the function _bfd_elf_is_local_label_name in
+ bfd/elf.c has an implicit assumption that FAKE_LABEL_CHAR is '\001'.
+ If this is not the case then FAKE_LABEL_NAME must start with ".L" in
+ order for the function to continue working. */
+#ifndef FAKE_LABEL_CHAR
+#define FAKE_LABEL_CHAR '\001'
+#endif
/*
* FixSs may be built up in any order.
struct fix
{
+ /* Next fixS in linked list, or NULL. */
+ struct fix *fx_next;
+
/* These small fields are grouped together for compactness of
this structure, and efficiency of access on some architectures. */
- /* pc-relative offset adjust (only used by m68k) */
- char fx_pcrel_adjust;
-
- /* How many bytes are involved? */
- unsigned char fx_size;
-
/* Is this a pc-relative relocation? */
unsigned fx_pcrel : 1;
- /* Is this a relocation to a procedure linkage table entry? If so,
- some of the reductions we try to apply are invalid. A better way
- might be to represent PLT entries with different kinds of
- symbols, and use normal relocations (with undefined symbols);
- look into it for version 2.6. */
- unsigned fx_plt : 1;
-
- /* Is this value an immediate displacement? */
- /* Only used on i960 and ns32k; merge it into TC_FIX_TYPE sometime. */
- unsigned fx_im_disp : 2;
-
- /* A bit for the CPU specific code.
- This probably can be folded into tc_fix_data, below. */
- unsigned fx_tcbit : 1;
-
/* Has this relocation already been applied? */
unsigned fx_done : 1;
/* The value is signed when checking for overflow. */
unsigned fx_signed : 1;
+ /* Some bits for the CPU specific code. */
+ unsigned fx_tcbit : 1;
+ unsigned fx_tcbit2 : 1;
+
+ /* Spare bits. */
+ unsigned fx_unused : 10;
+
+ /* pc-relative offset adjust (only used by some CPU specific code) */
+ int fx_pcrel_adjust : 8;
+
+ /* How many bytes are involved? */
+ unsigned fx_size : 8;
+
+ bfd_reloc_code_real_type fx_r_type;
+
/* Which frag does this fix apply to? */
fragS *fx_frag;
- /* Where is the first byte to fix up? */
- long fx_where;
+ /* The location within the frag where the fixup occurs. */
+ unsigned long fx_where;
/* NULL or Symbol whose value we add in. */
symbolS *fx_addsy;
/* Absolute number we add in. */
valueT fx_offset;
- /* Next fixS in linked list, or NULL. */
- struct fix *fx_next;
-
- /* If NULL, no bitfix's to do. */
- /* Only i960-coff and ns32k use this, and i960-coff stores an
- integer. This can probably be folded into tc_fix_data, below.
- @@ Alpha also uses it, but only to disable certain relocation
- processing. */
- bit_fixS *fx_bit_fixP;
+ /* The value of dot when the fixup expression was parsed. */
+ addressT fx_dot_value;
-#ifdef BFD_ASSEMBLER
- bfd_reloc_code_real_type fx_r_type;
-#else
-#ifdef NEED_FX_R_TYPE
- /* Hack for machines where the type of reloc can't be
- worked out by looking at how big it is. */
- int fx_r_type;
-#endif
-#endif
+ /* The frag fx_dot_value is based on. */
+ fragS *fx_dot_frag;
/* This field is sort of misnamed. It appears to be a sort of random
scratch field, for use by the back ends. The main gas code doesn't
/* The location of the instruction which created the reloc, used
in error messages. */
- char *fx_file;
+ const char *fx_file;
unsigned fx_line;
#ifdef USING_CGEN
const struct cgen_insn *insn;
/* Target specific data, usually reloc number. */
int opinfo;
+ /* Which ifield this fixup applies to. */
+ struct cgen_maybe_multi_ifield * field;
+ /* is this field is the MSB field in a set? */
+ int msb_field_p;
} fx_cgen;
#endif
typedef struct fix fixS;
-#ifndef BFD_ASSEMBLER
-extern char *next_object_file_charP;
-
-#ifndef MANY_SEGMENTS
-COMMON fixS *text_fix_root, *text_fix_tail; /* Chains fixSs. */
-COMMON fixS *data_fix_root, *data_fix_tail; /* Chains fixSs. */
-COMMON fixS *bss_fix_root, *bss_fix_tail; /* Chains fixSs. */
-extern struct frag *text_last_frag; /* Last frag in segment. */
-extern struct frag *data_last_frag; /* Last frag in segment. */
-#endif
-COMMON fixS **seg_fix_rootP, **seg_fix_tailP; /* -> one of above. */
-#endif
-
-extern long string_byte_count;
-extern int section_alignment[];
-
-extern bit_fixS *bit_fix_new
- PARAMS ((int size, int offset, long base_type, long base_adj, long min,
- long max, long add));
-extern void append PARAMS ((char **charPP, char *fromP, unsigned long length));
-extern void record_alignment PARAMS ((segT seg, int align));
-extern int get_recorded_alignment PARAMS ((segT seg));
-extern void subsegs_finish PARAMS ((void));
-extern void write_object_file PARAMS ((void));
-extern long relax_frag PARAMS ((fragS *, long));
-extern void relax_segment
- PARAMS ((struct frag * seg_frag_root, segT seg_type));
-
-extern void number_to_chars_littleendian PARAMS ((char *, valueT, int));
-extern void number_to_chars_bigendian PARAMS ((char *, valueT, int));
-
-#ifdef BFD_ASSEMBLER
-extern fixS *fix_new
- PARAMS ((fragS * frag, int where, int size, symbolS * add_symbol,
- offsetT offset, int pcrel, bfd_reloc_code_real_type r_type));
-extern fixS *fix_new_exp
- PARAMS ((fragS * frag, int where, int size, expressionS *exp, int pcrel,
- bfd_reloc_code_real_type r_type));
-#else
-extern fixS *fix_new
- PARAMS ((fragS * frag, int where, int size, symbolS * add_symbol,
- offsetT offset, int pcrel, int r_type));
-extern fixS *fix_new_exp
- PARAMS ((fragS * frag, int where, int size, expressionS *exp, int pcrel,
- int r_type));
-#endif
+struct reloc_list
+{
+ struct reloc_list *next;
+ union
+ {
+ struct
+ {
+ symbolS *offset_sym;
+ reloc_howto_type *howto;
+ symbolS *sym;
+ bfd_vma addend;
+ } a;
+ struct
+ {
+ asection *sec;
+ asymbol *s;
+ arelent r;
+ } b;
+ } u;
+ const char *file;
+ unsigned int line;
+};
-extern void write_print_statistics PARAMS ((FILE *));
+extern int finalize_syms;
+extern symbolS *abs_section_sym;
+extern addressT dot_value;
+extern fragS *dot_frag;
+extern struct reloc_list* reloc_list;
+
+extern void append (char **, char *, unsigned long);
+extern void record_alignment (segT, unsigned);
+extern int get_recorded_alignment (segT);
+extern void write_object_file (void);
+extern long relax_frag (segT, fragS *, long);
+extern int relax_segment (struct frag *, segT, int);
+extern void number_to_chars_littleendian (char *, valueT, int);
+extern void number_to_chars_bigendian (char *, valueT, int);
+extern fixS *fix_new (fragS *, unsigned long, unsigned long, symbolS *,
+ offsetT, int, bfd_reloc_code_real_type);
+extern fixS *fix_at_start (fragS *, unsigned long, symbolS *,
+ offsetT, int, bfd_reloc_code_real_type);
+extern fixS *fix_new_exp (fragS *, unsigned long, unsigned long,
+ expressionS *, int, bfd_reloc_code_real_type);
+extern void write_print_statistics (FILE *);
#endif /* __write_h__ */
projects / deliverable / binutils-gdb.git / blobdiff