/* tc-ppc.h -- Header file for tc-ppc.c.
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008 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.
#define TC_PPC
+#include "opcode/ppc.h"
+
struct fix;
/* Set the endianness we are using. Default to big endian. */
/* The target BFD format. */
#define TARGET_FORMAT (ppc_target_format ())
-extern char *ppc_target_format (void);
+extern const char *ppc_target_format (void);
/* Permit temporary numeric labels. */
#define LOCAL_LABELS_FB 1
if ((FRAGP)->fr_type == rs_align_code) \
ppc_handle_align (FRAGP);
+extern unsigned int ppc_nop_select (void);
+#define NOP_OPCODE ppc_nop_select ()
+
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) \
- 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
{
- unsigned long ppc_cpu;
+ ppc_cpu_t ppc_cpu;
};
-extern unsigned long ppc_cpu;
+extern ppc_cpu_t ppc_cpu;
#define TC_FIX_TYPE struct _ppc_fix_extra
#define TC_INIT_FIX_DATA(FIXP) \
{
/* 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
#define tc_symbol_new_hook(sym) ppc_symbol_new_hook (sym)
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 (symbolS *);
-
/* TOC relocs requires special handling. */
#define tc_fix_adjustable(FIX) ppc_fix_adjustable (FIX)
extern int ppc_fix_adjustable (struct fix *);
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
+
#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
-/* Support for SHF_EXCLUDE and SHT_ORDERED */
-extern int ppc_section_letter (int, char **);
+/* Support for SHT_ORDERED */
extern int ppc_section_type (char *, size_t);
-extern int ppc_section_word (char *, size_t);
-extern int ppc_section_flags (int, int, int);
+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
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)
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 */
#if defined (OBJ_ELF) || defined (OBJ_XCOFF)
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_PPC64_ADDR16_HIGHER34 \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC64_ADDR16_HIGHERA34 \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC64_ADDR16_HIGHEST34 \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC64_ADDR16_HIGHESTA34 \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC_16DX_HA \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC64_D34 \
+ || (FIX)->fx_r_type == BFD_RELOC_PPC64_D28))
+#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)
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 (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 ()
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 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 EH_FRAME_ALIGNMENT 2
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