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gas reloc rewrite.

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This commit is contained in:
Alan Modra
2002-09-05 00:01:18 +00:00
parent 8f8429869e
commit a161fe5320
95 changed files with 1800 additions and 1785 deletions
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54
gas/config/tc-mmix.h
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@ -127,51 +127,53 @@ extern const struct relax_type mmix_relax_table[];
extern long mmix_md_relax_frag PARAMS ((segT, fragS *, long));
#define md_relax_frag mmix_md_relax_frag
#define tc_fix_adjustable(X) \
((! (X)->fx_addsy \
|| (! S_IS_WEAK ((X)->fx_addsy) \
&& S_GET_SEGMENT ((X)->fx_addsy) != reg_section)) \
&& (X)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
&& (X)->fx_r_type != BFD_RELOC_VTABLE_ENTRY)
#define tc_fix_adjustable(FIX) \
(((FIX)->fx_addsy == NULL \
|| S_GET_SEGMENT ((FIX)->fx_addsy) != reg_section) \
&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
&& (FIX)->fx_r_type != BFD_RELOC_MMIX_LOCAL)
/* Adjust symbols which are registers. */
#define tc_adjust_symtab() mmix_adjust_symtab ()
extern void mmix_adjust_symtab PARAMS ((void));
/* Avoid outputting GAS register section symbols. This happens when the
assembly had errors, and will propagate to an assert in BFD. FIXME:
It seems the symbol output when-errors is a bug in GAS. Fix that
some time. See also tc_gen_reloc.
Here's where we make all symbols global, when so requested.
/* Here's where we make all symbols global, when so requested.
We must avoid doing that for expression symbols or section symbols,
though. */
extern int mmix_globalize_symbols;
#define tc_frob_symbol(sym, punt) \
do \
{ \
if (S_GET_SEGMENT (sym) == reg_section \
|| (symp) == section_symbol (absolute_section)) \
(punt) = 1; \
\
if (mmix_globalize_symbols \
&& ! symbol_section_p (sym) \
&& symp != section_symbol (absolute_section) \
&& (! S_IS_LOCAL (sym) \
|| S_GET_SEGMENT (sym) == reg_section) \
&& (S_GET_SEGMENT (sym) != reg_section \
|| (S_GET_NAME (sym)[0] != '$' \
&& S_GET_VALUE (sym) < 256))) \
if (S_GET_SEGMENT (sym) == reg_section) \
{ \
if (S_GET_NAME (sym)[0] != '$' \
&& S_GET_VALUE (sym) < 256) \
{ \
if (mmix_globalize_symbols) \
S_SET_EXTERNAL (sym); \
else \
symbol_mark_used_in_reloc (sym); \
} \
} \
else if (mmix_globalize_symbols \
&& ! symbol_section_p (sym) \
&& sym != section_symbol (absolute_section) \
&& ! S_IS_LOCAL (sym)) \
S_SET_EXTERNAL (sym); \
} \
while (0)
/* No shared lib support, so we don't need to ensure externally
visible symbols can be overridden. */
#define EXTERN_FORCE_RELOC 0
/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
#define TC_FORCE_RELOCATION(fix) mmix_force_relocation (fix)
extern int mmix_force_relocation PARAMS ((struct fix *));
/* Call md_pcrel_from_section(), not md_pcrel_from(). */
#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
#define md_section_align(seg, size) (size)
@ -191,7 +193,7 @@ extern fragS *mmix_opcode_frag;
fixups are done and relocs are output. Similarly for each unknown
symbol. */
extern void mmix_frob_file PARAMS ((void));
#define tc_frob_file mmix_frob_file
#define tc_frob_file_before_fix mmix_frob_file
/* Used by mmix_frob_file. Hangs on section symbols and unknown symbols. */
struct mmix_symbol_gregs;