/* tc-ppc.h -- Header file for tc-ppc.c.
- Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
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. */
+ 02111-1307, USA. */
#define TC_PPC
/* The target BFD architecture. */
#define TARGET_ARCH (ppc_arch ())
+#define TARGET_MACH (ppc_mach ())
extern enum bfd_architecture ppc_arch PARAMS ((void));
+extern unsigned long ppc_mach PARAMS ((void));
/* Whether or not the target is big endian */
extern int target_big_endian;
/* The target BFD format. */
-#ifdef OBJ_COFF
-#ifdef TE_PE
-#define TARGET_FORMAT (target_big_endian ? "pe-powerpc" : "pe-powerpcle")
-#else
-#define TARGET_FORMAT "aixcoff-rs6000"
-#endif
-#endif
-
-/* PowerMac has a BFD slightly different from AIX's. */
-#ifdef TE_POWERMAC
-#ifdef TARGET_FORMAT
-#undef TARGET_FORMAT
-#endif
-#define TARGET_FORMAT "xcoff-powermac"
-#endif
-
-#ifdef OBJ_ELF
-#define TARGET_FORMAT (target_big_endian ? "elf32-powerpc" : "elf32-powerpcle")
-#endif
+#define TARGET_FORMAT (ppc_target_format ())
+extern char* ppc_target_format PARAMS ((void));
/* Permit temporary numeric labels. */
#define LOCAL_LABELS_FB 1
struct ppc_tc_sy
{
/* We keep a few linked lists of symbols. */
- struct symbol *next;
+ symbolS *next;
/* Non-zero if the symbol should be output. The RS/6000 assembler
only outputs symbols that are external or are mentioned in a
.globl or .lglobl statement. */
int align;
/* For a function symbol, a symbol whose value is the size. The
field is NULL if there is no size. */
- struct symbol *size;
+ symbolS *size;
/* For a csect symbol, the last symbol which has been defined in
this csect, or NULL if none have been defined so far. For a .bs
symbol, the referenced csect symbol. */
- struct symbol *within;
+ symbolS *within;
};
#define TC_SYMFIELD_TYPE struct ppc_tc_sy
/* Get the symbol class from the name. */
#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym)
-extern void ppc_symbol_new_hook PARAMS ((struct symbol *));
+extern void ppc_symbol_new_hook PARAMS ((symbolS *));
/* Set the symbol class of a label based on the csect. */
#define tc_frob_label(sym) ppc_frob_label (sym)
-extern void ppc_frob_label PARAMS ((struct symbol *));
+extern void ppc_frob_label PARAMS ((symbolS *));
/* TOC relocs requires special handling. */
#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
/* Finish up the symbol. */
#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym)
-extern int ppc_frob_symbol PARAMS ((struct symbol *));
+extern int ppc_frob_symbol PARAMS ((symbolS *));
/* Finish up the entire symtab. */
#define tc_adjust_symtab() ppc_adjust_symtab ()
extern void ppc_adjust_symtab PARAMS ((void));
/* Niclas Andersson <nican@ida.liu.se> says this is needed. */
-#define SUB_SEGMENT_ALIGN(SEG) 2
+extern int ppc_subseg_align PARAMS ((void));
+#define SUB_SEGMENT_ALIGN(SEG) ppc_subseg_align()
+
+/* We also need to copy, in particular, the class of the symbol,
+ over what obj-coff would otherwise have copied. */
+#define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src) \
+do { \
+ if (SF_GET_GET_SEGMENT (dest)) \
+ S_SET_SEGMENT (dest, S_GET_SEGMENT (src)); \
+ symbol_get_tc (dest)->size = symbol_get_tc (src)->size; \
+ symbol_get_tc (dest)->align = symbol_get_tc (src)->align; \
+ symbol_get_tc (dest)->class = symbol_get_tc (src)->class; \
+ symbol_get_tc (dest)->within = symbol_get_tc (src)->within; \
+} while (0)
#endif /* OBJ_XCOFF */
#ifdef OBJ_ELF
-/* Branch prediction relocations must force relocation. */
-#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) \
+/* Branch prediction relocations must force relocation, as must
+ the vtable description relocs. */
+#define TC_FORCE_RELOCATION(FIXP) \
((FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRTAKEN \
|| (FIXP)->fx_r_type == BFD_RELOC_PPC_B16_BRNTAKEN \
|| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRTAKEN \
|| (FIXP)->fx_r_type == BFD_RELOC_PPC_BA16_BRNTAKEN \
- || ((FIXP)->fx_addsy && !(FIXP)->fx_subsy && (FIXP)->fx_addsy->bsym \
- && (FIXP)->fx_addsy->bsym->section != SEC))
+ || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_INHERIT \
+ || (FIXP)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
+
+#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC) \
+(TC_FORCE_RELOCATION (FIXP) \
+ || ((FIXP)->fx_addsy && !(FIXP)->fx_subsy \
+ && S_GET_SEGMENT ((FIXP)->fx_addsy) != SEC))
/* Support for SHF_EXCLUDE and SHT_ORDERED */
extern int ppc_section_letter PARAMS ((int, char **));
-extern int ppc_section_type PARAMS ((char **));
-extern int ppc_section_word PARAMS ((char **));
+extern int ppc_section_type PARAMS ((char *, size_t));
+extern int ppc_section_word PARAMS ((char *, size_t));
extern int ppc_section_flags PARAMS ((int, int, int));
#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG)
-#define md_elf_section_type(PTR_STR) ppc_section_type (PTR_STR)
-#define md_elf_section_word(PTR_STR) ppc_section_word (PTR_STR)
+#define md_elf_section_type(STR, LEN) ppc_section_type (STR, LEN)
+#define md_elf_section_word(STR, LEN) ppc_section_word (STR, LEN)
#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE)
/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
#define tc_comment_chars ppc_comment_chars
extern const char *ppc_comment_chars;
-/* Keep relocations relative to the GOT, or non-PC relative. */
-#define tc_fix_adjustable(FIX) \
- ((FIX)->fx_r_type != BFD_RELOC_16_GOTOFF \
- && (FIX)->fx_r_type != BFD_RELOC_LO16_GOTOFF \
- && (FIX)->fx_r_type != BFD_RELOC_HI16_GOTOFF \
- && (FIX)->fx_r_type != BFD_RELOC_HI16_S_GOTOFF \
- && (FIX)->fx_r_type != BFD_RELOC_GPREL16 \
- && ! S_IS_EXTERNAL ((FIX)->fx_addsy) \
- && ! S_IS_WEAK ((FIX)->fx_addsy) \
- && ((FIX)->fx_pcrel \
- || ((FIX)->fx_subsy != NULL \
- && (S_GET_SEGMENT ((FIX)->fx_subsy) \
- == S_GET_SEGMENT ((FIX)->fx_addsy)))))
+/* Keep relocations relative to the GOT, or non-PC relative. */
+#define tc_fix_adjustable(FIX) \
+ ((FIX)->fx_r_type != BFD_RELOC_16_GOTOFF \
+ && (FIX)->fx_r_type != BFD_RELOC_LO16_GOTOFF \
+ && (FIX)->fx_r_type != BFD_RELOC_HI16_GOTOFF \
+ && (FIX)->fx_r_type != BFD_RELOC_HI16_S_GOTOFF \
+ && (FIX)->fx_r_type != BFD_RELOC_GPREL16 \
+ && (FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
+ && (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
+ && ! S_IS_EXTERNAL ((FIX)->fx_addsy) \
+ && ! S_IS_WEAK ((FIX)->fx_addsy) \
+ && ((FIX)->fx_pcrel \
+ || ((FIX)->fx_subsy != NULL \
+ && (S_GET_SEGMENT ((FIX)->fx_subsy) \
+ == S_GET_SEGMENT ((FIX)->fx_addsy))) \
+ || S_IS_LOCAL ((FIX)->fx_addsy)))
/* We must never ever try to resolve references to externally visible
symbols in the assembler, because the .o file might go into a shared
&& S_IS_DEFINED ((FIX)->fx_addsy) \
&& ! S_IS_COMMON ((FIX)->fx_addsy)))
+#define DWARF2_LINE_MIN_INSN_LENGTH 4
#endif /* OBJ_ELF */
/* call md_apply_fix3 with segment instead of md_apply_fix */
#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
-#define md_parse_name(name, exp) ppc_parse_name (name, exp)
+#define md_parse_name(name, exp, c) ppc_parse_name (name, exp)
extern int ppc_parse_name PARAMS ((const char *, struct expressionS *));
#define md_operand(x)
-
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