PowerPC add initial -mfuture instruction support

[deliverable/binutils-gdb.git] / gas / config / tc-ppc.h

diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index e9cce7f565f380d8745af2d0902ce1c54495b963..08e381e293c25eb8c0443811bd5dc03e53d472d7 100644 (file)
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -1,13 +1,12 @@
 /* tc-ppc.h -- Header file for tc-ppc.c.
 /* tc-ppc.h -- Header file for tc-ppc.c.

-   Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1994-2019 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
    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,
    any later version.
 
    GAS is distributed in the hope that it will be useful,


@@ -22,6 +21,8 @@
 
 #define TC_PPC
 
 
 #define TC_PPC
 

+#include "opcode/ppc.h"
+

 struct fix;
 
 /* Set the endianness we are using.  Default to big endian.  */
 struct fix;
 
 /* Set the endianness we are using.  Default to big endian.  */


@@ -42,15 +43,15 @@ struct fix;
 /* The target BFD architecture.  */
 #define TARGET_ARCH (ppc_arch ())
 #define TARGET_MACH (ppc_mach ())
 /* 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 ())
 
 /* 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 const char *ppc_target_format (void);

 
 /* Permit temporary numeric labels.  */
 #define LOCAL_LABELS_FB 1
 
 /* Permit temporary numeric labels.  */
 #define LOCAL_LABELS_FB 1


@@ -82,14 +83,26 @@ extern char *ppc_target_format PARAMS ((void));
     ppc_handle_align (FRAGP);
 
 extern void ppc_handle_align (struct frag *);
     ppc_handle_align (FRAGP);
 
 extern void ppc_handle_align (struct frag *);

+extern void ppc_frag_check (struct frag *);

 
 

+#ifdef OBJ_ELF

 #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
 #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0

+#endif

 
 

-#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"));
+#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
 
 \f
 #ifdef TE_PE
 


@@ -98,7 +111,7 @@ extern void ppc_handle_align (struct frag *);
 
 /* Don't adjust TOC relocs.  */
 #define tc_fix_adjustable(FIX) ppc_pe_fix_adjustable (FIX)
 
 /* 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
 
 
 #endif
 


@@ -114,26 +127,32 @@ struct ppc_tc_sy
 {
   /* We keep a few linked lists of symbols.  */
   symbolS *next;
 {
   /* 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.  */
   /* 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.  */
   /* 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 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
   /* 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;
   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
 };
 
 #define TC_SYMFIELD_TYPE struct ppc_tc_sy


@@ -146,31 +165,27 @@ struct ppc_tc_sy
 
 /* Canonicalize the symbol name.  */
 #define tc_canonicalize_symbol_name(name) ppc_canonicalize_symbol_name (name)
 
 /* 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)
 
 /* 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 *));
-
-/* 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_symbol_new_hook (symbolS *);

 
 /* TOC relocs requires special handling.  */
 #define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
 
 /* 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)
 
 /* 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)
 
 /* 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 ()
 
 /* 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.  */
 
 /* We also need to copy, in particular, the class of the symbol,
    over what obj-coff would otherwise have copied.  */


@@ -178,72 +193,146 @@ extern void ppc_adjust_symtab PARAMS ((void));
 do {                                                           \
   if (SF_GET_GET_SEGMENT (dest))                               \
     S_SET_SEGMENT (dest, S_GET_SEGMENT (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)->u = symbol_get_tc (src)->u;            \

   symbol_get_tc (dest)->align = symbol_get_tc (src)->align;    \
   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)
 
   symbol_get_tc (dest)->within = symbol_get_tc (src)->within;  \
 } while (0)
 

+extern void ppc_xcoff_end (void);
+#define md_end ppc_xcoff_end
+

 #endif /* OBJ_XCOFF */
 
 #endif /* OBJ_XCOFF */
 

+#define tc_new_dot_label(sym) ppc_new_dot_label (sym)
+extern void ppc_new_dot_label (symbolS *);
+

 extern const char       ppc_symbol_chars[];
 #define tc_symbol_chars ppc_symbol_chars
 
 #ifdef OBJ_ELF
 
 extern const char       ppc_symbol_chars[];
 #define tc_symbol_chars 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_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
 extern const char *ppc_comment_chars;
 
 #define md_elf_section_flags(FLAGS, ATTR, TYPE)        ppc_section_flags (FLAGS, ATTR, TYPE)
 
 #define tc_comment_chars ppc_comment_chars
 extern const char *ppc_comment_chars;
 

+#define md_elf_section_letter          ppc_elf_section_letter
+extern bfd_vma ppc_elf_section_letter (int, const char **);
+

 /* Keep relocations relative to the GOT, or non-PC relative.  */
 #define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
 /* 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
 
 
 /* Values passed to md_apply_fix don't include symbol values.  */
 #define MD_APPLY_SYM_VALUE(FIX) 0
 

+#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
+  ppc_elf_parse_cons (EXP, NBYTES)
+extern bfd_reloc_code_real_type ppc_elf_parse_cons (expressionS *,
+                                                   unsigned int);
+#define TC_CONS_FIX_CHECK(EXP, NBYTES, FIX) \
+  ppc_elf_cons_fix_check (EXP, NBYTES, FIX)
+extern void ppc_elf_cons_fix_check (expressionS *, unsigned int, struct fix *);
+

 #define tc_frob_file_before_adjust ppc_frob_file_before_adjust
 #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);
+
+#define tc_adjust_symtab() ppc_elf_adjust_symtab ()
+extern void ppc_elf_adjust_symtab (void);
+
+extern void ppc_elf_end (void);
+#define md_end ppc_elf_end

 
 #endif /* OBJ_ELF */
 
 #if defined (OBJ_ELF) || defined (OBJ_XCOFF)
 #define TC_FORCE_RELOCATION(FIX) ppc_force_relocation (FIX)
 
 #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
+
+#ifdef OBJ_ELF
+/* Don't allow the generic code to convert fixups involving the
+   subtraction of a label in the current section to pc-relative if we
+   don't have the necessary pc-relative relocation.  */
+#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) \
+  (!((FIX)->fx_r_type == BFD_RELOC_64                          \
+     || (FIX)->fx_r_type == BFD_RELOC_32                       \
+     || (FIX)->fx_r_type == BFD_RELOC_16                       \
+     || (FIX)->fx_r_type == BFD_RELOC_LO16                     \
+     || (FIX)->fx_r_type == BFD_RELOC_HI16                     \
+     || (FIX)->fx_r_type == BFD_RELOC_HI16_S                   \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_ADDR16_HIGH                \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_ADDR16_HIGHA       \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_HIGHER             \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_HIGHER_S           \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_HIGHEST            \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC64_HIGHEST_S          \
+     || (FIX)->fx_r_type == BFD_RELOC_PPC_16DX_HA))

 #endif
 
 #endif
 

+#define TC_VALIDATE_FIX_SUB(FIX, SEG) 0
+
+/* Various frobbings of labels and their addresses.  */
+#define md_start_line_hook() ppc_start_line_hook ()
+extern void ppc_start_line_hook (void);
+
+/* 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 (symbolS *);
+

 /* call md_pcrel_from_section, not md_pcrel_from */
 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
 /* 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)
 
 #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_optimize_expr(left, op, right) ppc_optimize_expr (left, op, right)
+extern int ppc_optimize_expr (expressionS *, operatorT, expressionS *);

 
 #define md_operand(x)
 
 #define md_cleanup() ppc_cleanup ()
 
 #define md_operand(x)
 
 #define md_cleanup() ppc_cleanup ()

- extern void ppc_cleanup PARAMS ((void));
+extern void ppc_cleanup (void);
+
+#if (defined TE_AIX5 || defined TE_AIX                                 \
+     || defined TE_FreeBSD || defined TE_NetBSD || defined TE_LYNX)
+/* 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) == 65 ? 108 /* lr */                                      \
+   : (regno) == 66 ? 109 /* ctr */                                     \
+   : (regno) >= 68 && (regno) <= 75 ? (regno) + 86 - 68 /* crN */      \
+   : (regno) == 76 ? 101 /* xer */                                     \
+   : (regno) >= 77 && (regno) <= 108 ? (regno) + 1124 - 77 /* vrN */   \
+   : (regno) == 109 ? 356 /* vrsave */                                 \
+   : (regno) == 110 ? 67 /* vscr */                                    \
+   : (regno) == 111 ? 99 /* spe_acc */                                 \
+   : (regno) == 112 ? 612 /* spefscr */                                        \
+   : (regno))
+#endif

 
 #define TARGET_USE_CFIPOP 1
 
 #define tc_cfi_frame_initial_instructions ppc_cfi_frame_initial_instructions
 
 #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
 
 #define tc_regname_to_dw2regnum tc_ppc_regname_to_dw2regnum

-extern int tc_ppc_regname_to_dw2regnum PARAMS ((char *regname));
+extern int tc_ppc_regname_to_dw2regnum (char *);

 
 extern int ppc_cie_data_alignment;
 
 
 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
 #define DWARF2_DEFAULT_RETURN_COLUMN    0x41
 #define DWARF2_CIE_DATA_ALIGNMENT       ppc_cie_data_alignment

+#define EH_FRAME_ALIGNMENT             2