/* write.h
- Copyright (C) 1987-2016 Free Software Foundation, Inc.
+ Copyright (C) 1987-2022 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#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. */
- /* Is this a pc-relative relocation? */
- unsigned fx_pcrel : 1;
+ /* pc-relative offset adjust (only used by some CPU specific code).
+ A 4-bit field would be sufficient for most uses, except for ppc
+ which pokes an operand table index here. Bits may be stolen
+ from here should that be necessary, provided PPC_OPINDEX_MAX is
+ adjusted suitably. */
+ int fx_pcrel_adjust : 16;
- /* Is this value an immediate displacement? */
- /* Only used on ns32k; merge it into TC_FIX_TYPE sometime. */
- unsigned fx_im_disp : 2;
+ /* How many bytes are involved? */
+ unsigned fx_size : 8;
- /* Some bits for the CPU specific code. */
- unsigned fx_tcbit : 1;
- unsigned fx_tcbit2 : 1;
+ /* Is this a pc-relative relocation? */
+ unsigned fx_pcrel : 1;
/* Has this relocation already been applied? */
unsigned fx_done : 1;
/* The value is signed when checking for overflow. */
unsigned fx_signed : 1;
- /* pc-relative offset adjust (only used by some CPU specific code) */
- signed char fx_pcrel_adjust;
+ /* Some bits for the CPU specific code. */
+ unsigned fx_tcbit : 1;
+ unsigned fx_tcbit2 : 1;
- /* How many bytes are involved? */
- unsigned char fx_size;
+ /* Spare bits. */
+ unsigned fx_unused : 2;
+
+ 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;
/* The frag fx_dot_value is based on. */
fragS *fx_dot_frag;
- /* 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;
-
- bfd_reloc_code_real_type fx_r_type;
-
/* 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
do anything but initialize it to zero. The use of it does need to
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 * frag, int where, int size, symbolS * add_symbol,
- offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
-extern fixS *fix_at_start
- (fragS * frag, int size, symbolS * add_symbol,
- offsetT offset, int pcrel, bfd_reloc_code_real_type r_type);
-extern fixS *fix_new_exp
- (fragS * frag, int where, int size, expressionS *exp, int pcrel,
- bfd_reloc_code_real_type r_type);
+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 *);
+extern void as_bad_subtract (fixS *);
#endif /* __write_h__ */