X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-ppc.h;h=e64107ef28b42e4e94b9d84714d676bf7cfa91ad;hb=c1f61bd2b0644fc710dcfbb378a63f0b34be8903;hp=d12a8737e2a2ef2ea38033d4a8accf069eae90d0;hpb=af16e4115dcaffa8d48e4ff5b223f087ac2bdd55;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/config/tc-ppc.h b/gas/config/tc-ppc.h
index d12a8737e2..e64107ef28 100644
--- a/gas/config/tc-ppc.h
+++ b/gas/config/tc-ppc.h
@@ -1,12 +1,12 @@
 /* tc-ppc.h -- Header file for tc-ppc.c.
-   Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1994-2016 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,
@@ -16,13 +16,18 @@
 
    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. */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #define TC_PPC
 
-#ifndef BFD_ASSEMBLER
- #error PowerPC support requires BFD_ASSEMBLER
+#include "opcode/ppc.h"
+
+struct fix;
+
+/* Set the endianness we are using.  Default to big endian.  */
+#ifndef TARGET_BYTES_BIG_ENDIAN
+#define TARGET_BYTES_BIG_ENDIAN 1
 #endif
 
 /* If OBJ_COFF is defined, and TE_PE is not defined, we are assembling
@@ -37,31 +42,16 @@
 
 /* The target BFD architecture.  */
 #define TARGET_ARCH (ppc_arch ())
-extern enum bfd_architecture ppc_arch PARAMS ((void));
+#define TARGET_MACH (ppc_mach ())
+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.  */
-#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 const char *ppc_target_format (void);
 
 /* Permit temporary numeric labels.  */
 #define LOCAL_LABELS_FB 1
@@ -74,22 +64,8 @@ extern int target_big_endian;
 #define NO_STRING_ESCAPES
 #endif
 
-/* When using COFF, we determine whether or not to output a symbol
-   based on sy_tc.output, not on the name.  */
-#ifdef OBJ_XCOFF
-#define LOCAL_LABEL(name) 0
-#endif
 #ifdef OBJ_ELF
-/* When using ELF, local labels start with '.'.  */
-#define LOCAL_LABEL(name) (name[0] == '.' \
-			   && (name[1] == 'L' || name[1] == '.'))
-#define FAKE_LABEL_NAME ".L0\001"
-#define DIFF_EXPR_OK		/* .-foo gets turned into PC relative relocs */
-#endif
-
-/* Set the endianness we are using.  Default to big endian.  */
-#ifndef TARGET_BYTES_BIG_ENDIAN
-#define TARGET_BYTES_BIG_ENDIAN 1
+#define DIFF_EXPR_OK		/* foo-. gets turned into PC relative relocs */
 #endif
 
 #if TARGET_BYTES_BIG_ENDIAN
@@ -101,8 +77,32 @@ extern int target_big_endian;
 /* We don't need to handle .word strangely.  */
 #define WORKING_DOT_WORD
 
-/* We set the fx_done field appropriately in md_apply_fix.  */
-#define TC_HANDLES_FX_DONE
+#define MAX_MEM_FOR_RS_ALIGN_CODE 4
+#define HANDLE_ALIGN(FRAGP)						\
+  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 *);
+
+#ifdef OBJ_ELF
+#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
+#endif
+
+#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)
 
 #ifdef TE_PE
 
@@ -110,8 +110,8 @@ extern int target_big_endian;
 #define LEX_QM 1
 
 /* Don't adjust TOC relocs.  */
-#define tc_fix_adjustable(fixp) ppc_pe_fix_adjustable (fixp)
-extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));
+#define tc_fix_adjustable(FIX) ppc_pe_fix_adjustable (FIX)
+extern int ppc_pe_fix_adjustable (struct fix *);
 
 #endif
 
@@ -126,27 +126,33 @@ extern int ppc_pe_fix_adjustable PARAMS ((struct fix *));
 struct ppc_tc_sy
 {
   /* We keep a few linked lists of symbols.  */
-  struct symbol *next;
+  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.  */
-  struct symbol *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;
+     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
@@ -159,93 +165,141 @@ 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 ((struct symbol *));
+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 ((struct symbol *));
+extern void ppc_frob_label (symbolS *);
 
 /* TOC relocs requires special handling.  */
-#define tc_fix_adjustable(fixp) ppc_fix_adjustable (fixp)
-extern int ppc_fix_adjustable PARAMS ((struct fix *));
-
-/* A relocation from one csect to another must be kept.  */
-#define TC_FORCE_RELOCATION(FIXP) ppc_force_relocation (FIXP)
-extern int ppc_force_relocation PARAMS ((struct fix *));
+#define tc_fix_adjustable(FIX) ppc_fix_adjustable (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 ((struct symbol *));
+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));
-
-/* Niclas Andersson <nican@ida.liu.se> says this is needed.  */
-#define SUB_SEGMENT_ALIGN(SEG) 2
+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.  */
+#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)->u = symbol_get_tc (src)->u;		\
+  symbol_get_tc (dest)->align = symbol_get_tc (src)->align;	\
+  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[];
+#define tc_symbol_chars ppc_symbol_chars
+
 #ifdef OBJ_ELF
-/* The name of the global offset table generated by the compiler. Allow
-   this to be overridden if need be. */
-#ifndef GLOBAL_OFFSET_TABLE_NAME
-#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
-#endif
 
-/* Branch prediction relocations must force relocation */
-#define TC_FORCE_RELOCATION_SECTION(FIXP,SEC)				\
-((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))
-
-/* 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_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_flags(FLAGS, ATTR, TYPE)	ppc_section_flags (FLAGS, ATTR, TYPE)
+/* Support for SHT_ORDERED */
+extern int ppc_section_type (char *, size_t);
+extern int ppc_section_flags (flagword, bfd_vma, int);
 
-/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
-   normal section, and not a bss section so that the linker doesn't crater
-   when trying to make more than 2 sections.  */
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".tags",		SHT_ORDERED,	SHF_ALLOC }, \
-  { ".sdata",		SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE }, \
-  { ".sbss",		SHT_NOBITS,	SHF_ALLOC + SHF_WRITE }, \
-  { ".sdata2",		SHT_PROGBITS,	SHF_ALLOC }, \
-  { ".sbss2",		SHT_PROGBITS,	SHF_ALLOC }, \
-  { ".PPC.EMB.sdata0",	SHT_PROGBITS,	SHF_ALLOC }, \
-  { ".PPC.EMB.sbss0",	SHT_PROGBITS,	SHF_ALLOC },
+#define md_elf_section_type(STR, LEN)		ppc_section_type (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;
 
+/* Keep relocations relative to the GOT, or non-PC relative.  */
+#define tc_fix_adjustable(FIX) ppc_fix_adjustable (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_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
+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 */
 
-/* call md_apply_fix3 with segment instead of md_apply_fix */
-#define MD_APPLY_FIX3
+#if defined (OBJ_ELF) || defined (OBJ_XCOFF)
+#define TC_FORCE_RELOCATION(FIX) ppc_force_relocation (FIX)
+extern int ppc_force_relocation (struct fix *);
+#endif
 
 /* 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 (struct fix *, segT);
 
-#define md_parse_name(name, exp) ppc_parse_name (name, exp)
-extern int ppc_parse_name PARAMS ((const char *, struct expressionS *));
+#define md_parse_name(name, exp, mode, c) ppc_parse_name (name, exp)
+extern int ppc_parse_name (const char *, struct expressionS *);
 
 #define md_operand(x)
 
+#define md_cleanup() ppc_cleanup ()
+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
+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 (char *);
+
+extern int ppc_cie_data_alignment;
+
+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