/* tc-ppc.h -- Header file for tc-ppc.c.
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
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,
#define TC_PPC
+#include "opcode/ppc.h"
+
struct fix;
/* Set the endianness we are using. Default to big endian. */
/* 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));
+extern enum bfd_architecture ppc_arch (void);
+extern unsigned long ppc_mach (void);
/* Whether or not the target is big endian */
extern int target_big_endian;
/* The target BFD format. */
#define TARGET_FORMAT (ppc_target_format ())
-extern char *ppc_target_format PARAMS ((void));
+extern char *ppc_target_format (void);
/* Permit temporary numeric labels. */
#define LOCAL_LABELS_FB 1
#define MAX_MEM_FOR_RS_ALIGN_CODE 4
#define HANDLE_ALIGN(FRAGP) \
- if ((FRAGP)->fr_type == rs_align_code) \
- { \
- valueT count = ((FRAGP)->fr_next->fr_address \
- - ((FRAGP)->fr_address + (FRAGP)->fr_fix)); \
- if (count != 0 && (count & 3) == 0) \
- { \
- char *dest = (FRAGP)->fr_literal + (FRAGP)->fr_fix; \
- \
- (FRAGP)->fr_var = 4; \
- if (target_big_endian) \
- { \
- *dest++ = 0x60; \
- *dest++ = 0; \
- *dest++ = 0; \
- *dest++ = 0; \
- } \
- else \
- { \
- *dest++ = 0; \
- *dest++ = 0; \
- *dest++ = 0; \
- *dest++ = 0x60; \
- } \
- } \
- }
-
-#define md_frag_check(FRAGP) \
- if ((FRAGP)->has_code \
- && (((FRAGP)->fr_address + (FRAGP)->insn_addr) & 3) != 0) \
- as_bad_where ((FRAGP)->fr_file, (FRAGP)->fr_line, \
- _("instruction address is not a multiple of 4"));
+ if ((FRAGP)->fr_type == rs_align_code) \
+ ppc_handle_align (FRAGP);
+
+extern void ppc_handle_align (struct frag *);
+extern void ppc_frag_check (struct frag *);
+
+#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
+
+#define md_frag_check(FRAGP) ppc_frag_check (FRAGP)
+
+/* Arrange to store the value of ppc_cpu at the site of a fixup
+ for later use in md_apply_fix. */
+struct _ppc_fix_extra
+{
+ ppc_cpu_t ppc_cpu;
+};
+
+extern ppc_cpu_t ppc_cpu;
+
+#define TC_FIX_TYPE struct _ppc_fix_extra
+#define TC_INIT_FIX_DATA(FIXP) \
+ do { (FIXP)->tc_fix_data.ppc_cpu = ppc_cpu; } while (0)
\f
#ifdef TE_PE
/* Don't adjust TOC relocs. */
#define tc_fix_adjustable(FIX) ppc_pe_fix_adjustable (FIX)
-extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));
+extern int ppc_pe_fix_adjustable (struct fix *);
#endif
{
/* We keep a few linked lists of symbols. */
symbolS *next;
+ /* The real name, if the symbol was renamed. */
+ char *real_name;
/* 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 output;
+ unsigned char output;
/* The symbol class. */
- int class;
- /* The real name, if the symbol was renamed. */
- char *real_name;
+ short symbol_class;
+ /* For a csect or common symbol, the alignment to use. */
+ unsigned char align;
/* For a csect symbol, the subsegment we are using. This is zero
for symbols that are not csects. */
subsegT subseg;
- /* For a csect or common symbol, the alignment to use. */
- int align;
- /* For a function symbol, a symbol whose value is the size. The
- field is NULL if there is no 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. */
+ this csect, or NULL if none have been defined so far.
+ For a .bs symbol, the referenced csect symbol.
+ For a label, the enclosing csect. */
symbolS *within;
+ union
+ {
+ /* For a function symbol, a symbol whose value is the size. The
+ field is NULL if there is no size. */
+ symbolS *size;
+ /* For a dwarf symbol, the corresponding dwarf subsection. */
+ struct dw_subsection *dw;
+ } u;
};
#define TC_SYMFIELD_TYPE struct ppc_tc_sy
/* Canonicalize the symbol name. */
#define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name)
-extern char *ppc_canonicalize_symbol_name PARAMS ((char *));
+extern char *ppc_canonicalize_symbol_name (char *);
/* 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 ((symbolS *));
+extern void ppc_symbol_new_hook (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 ((symbolS *));
+extern void ppc_frob_label (symbolS *);
/* TOC relocs requires special handling. */
#define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
-extern int ppc_fix_adjustable PARAMS ((struct fix *));
+extern int ppc_fix_adjustable (struct fix *);
/* We need to set the section VMA. */
#define tc_frob_section(sec) ppc_frob_section (sec)
-extern void ppc_frob_section PARAMS ((asection *));
+extern void ppc_frob_section (asection *);
/* Finish up the symbol. */
#define tc_frob_symbol(sym, punt) punt = ppc_frob_symbol (sym)
-extern int ppc_frob_symbol PARAMS ((symbolS *));
+extern int ppc_frob_symbol (symbolS *);
/* Finish up the entire symtab. */
#define tc_adjust_symtab() ppc_adjust_symtab ()
-extern void ppc_adjust_symtab PARAMS ((void));
+extern void ppc_adjust_symtab (void);
/* We also need to copy, in particular, the class of the symbol,
over what obj-coff would otherwise have copied. */
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)->u = symbol_get_tc (src)->u; \
symbol_get_tc (dest)->align = symbol_get_tc (src)->align; \
- symbol_get_tc (dest)->class = symbol_get_tc (src)->class; \
+ symbol_get_tc (dest)->symbol_class = symbol_get_tc (src)->symbol_class; \
symbol_get_tc (dest)->within = symbol_get_tc (src)->within; \
} while (0)
+extern void ppc_xcoff_end (void);
+#define md_end ppc_xcoff_end
+
+#define tc_new_dot_label(sym) ppc_new_dot_label (sym)
+extern void ppc_new_dot_label (symbolS *);
+
#endif /* OBJ_XCOFF */
extern const char ppc_symbol_chars[];
#ifdef OBJ_ELF
-/* Support for SHF_EXCLUDE and SHT_ORDERED */
-extern int ppc_section_letter PARAMS ((int, 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));
+/* Support for SHT_ORDERED */
+extern int ppc_section_type (char *, size_t);
+extern int ppc_section_flags (flagword, bfd_vma, int);
-#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG)
#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)
#define tc_comment_chars ppc_comment_chars
/* Keep relocations relative to the GOT, or non-PC relative. */
#define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
-extern int ppc_fix_adjustable PARAMS ((struct fix *));
+extern int ppc_fix_adjustable (struct fix *);
/* Values passed to md_apply_fix don't include symbol values. */
#define MD_APPLY_SYM_VALUE(FIX) 0
#define tc_frob_file_before_adjust ppc_frob_file_before_adjust
-extern void ppc_frob_file_before_adjust PARAMS ((void));
+extern void ppc_frob_file_before_adjust (void);
#endif /* OBJ_ELF */
#if defined (OBJ_ELF) || defined (OBJ_XCOFF)
#define TC_FORCE_RELOCATION(FIX) ppc_force_relocation (FIX)
-extern int ppc_force_relocation PARAMS ((struct fix *));
+extern int ppc_force_relocation (struct fix *);
#endif
/* call md_pcrel_from_section, not md_pcrel_from */
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
-extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
+extern long md_pcrel_from_section (struct fix *, segT);
#define md_parse_name(name, exp, mode, c) ppc_parse_name (name, exp)
-extern int ppc_parse_name PARAMS ((const char *, struct expressionS *));
+extern int ppc_parse_name (const char *, struct expressionS *);
#define md_operand(x)
#define md_cleanup() ppc_cleanup ()
- extern void ppc_cleanup PARAMS ((void));
+extern void ppc_cleanup (void);
+
+/* ppc uses different register numbers between .eh_frame and .debug_frame.
+ This macro translates the .eh_frame register numbers to .debug_frame
+ register numbers. */
+#define md_reg_eh_frame_to_debug_frame(regno) \
+ ((regno) == 70 ? 64 /* cr2 */ : (regno))
#define TARGET_USE_CFIPOP 1
#define tc_cfi_frame_initial_instructions ppc_cfi_frame_initial_instructions
-extern void ppc_cfi_frame_initial_instructions PARAMS ((void));
+extern void ppc_cfi_frame_initial_instructions (void);
#define tc_regname_to_dw2regnum tc_ppc_regname_to_dw2regnum
-extern int tc_ppc_regname_to_dw2regnum PARAMS ((const char *regname));
+extern int tc_ppc_regname_to_dw2regnum (char *);
extern int ppc_cie_data_alignment;
-#define DWARF2_LINE_MIN_INSN_LENGTH 4
+extern int ppc_dwarf2_line_min_insn_length;
+
+#define DWARF2_LINE_MIN_INSN_LENGTH ppc_dwarf2_line_min_insn_length
#define DWARF2_DEFAULT_RETURN_COLUMN 0x41
#define DWARF2_CIE_DATA_ALIGNMENT ppc_cie_data_alignment
projects / binutils.git / blobdiff