gas/

[deliverable/binutils-gdb.git] / gas / config / tc-m68k.h

diff --git a/gas/config/tc-m68k.h b/gas/config/tc-m68k.h
index 10ac44ebaed5219be13413d73a580ed93723aad9..559d5e311ec14cc1a446fe42e5b9729aaa8103da 100644 (file)
--- a/gas/config/tc-m68k.h
+++ b/gas/config/tc-m68k.h
@@ -1,5 +1,6 @@
 /* This file is tc-m68k.h
-   Copyright (C) 1987, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+   Copyright 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+   1998, 1999, 2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -70,7 +71,7 @@ struct fix;
 #define COFF_FLAGS F_AR32W
 #define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
 
-#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
+#define TC_COFF_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX)
 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
 extern int tc_coff_sizemachdep PARAMS ((struct frag *));
 #ifdef TE_SUN3
@@ -119,7 +120,7 @@ extern const char *m68k_comment_chars;
 /* On the Delta, `%' can occur within a label name, but not as the
    initial character.  */
 #define LEX_PCT LEX_NAME
-/* On the Delta, `~' can start a label name, but is converted to '.'. */
+/* On the Delta, `~' can start a label name, but is converted to '.'.  */
 #define LEX_TILDE LEX_BEGIN_NAME
 #define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s)
 /* On the Delta, dots are not required before pseudo-ops.  */
@@ -157,44 +158,41 @@ do                                                                \
 while (0)
 
 #define NO_RELOC BFD_RELOC_NONE
+#define RELAX_RELOC_ABS8  BFD_RELOC_8
+#define RELAX_RELOC_ABS16 BFD_RELOC_16
+#define RELAX_RELOC_ABS32 BFD_RELOC_32
+#define RELAX_RELOC_PC8   BFD_RELOC_8_PCREL
+#define RELAX_RELOC_PC16  BFD_RELOC_16_PCREL
+#define RELAX_RELOC_PC32  BFD_RELOC_32_PCREL
 
 #ifdef OBJ_ELF
-
-/* This expression evaluates to false if the relocation is for a local object
-   for which we still want to do the relocation at runtime.  True if we
-   are willing to perform this relocation while building the .o file.  If
-   the reloc is against an externally visible symbol, then the assembler
-   should never do the relocation.  */
-
-#define TC_RELOC_RTSYM_LOC_FIXUP(FIX)                  \
-       ((FIX)->fx_addsy == NULL                        \
-        || (! S_IS_EXTERNAL ((FIX)->fx_addsy)          \
-            && ! S_IS_WEAK ((FIX)->fx_addsy)           \
-            && S_IS_DEFINED ((FIX)->fx_addsy)          \
-            && ! S_IS_COMMON ((FIX)->fx_addsy)))
-
 #define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X)
 extern int tc_m68k_fix_adjustable PARAMS ((struct fix *));
 
-#ifdef OBJ_ELF
-/* This arranges for gas/write.c to not apply a relocation if
-   tc_fix_adjustable() says it is not adjustable.  */
-#define TC_FIX_ADJUSTABLE(fixP) tc_fix_adjustable (fixP)
-#endif
+/* Target *-*-elf implies an embedded target.  No shared libs.
+   *-*-uclinux also requires special casing to prevent GAS from
+   generating unsupported R_68K_PC16 relocs.  */
+#define EXTERN_FORCE_RELOC \
+  ((strcmp (TARGET_OS, "elf") != 0) && (strcmp (TARGET_OS, "uclinux") != 0))
+
+/* Values passed to md_apply_fix3 don't include symbol values.  */
+#define MD_APPLY_SYM_VALUE(FIX) 0
 
 #define elf_tc_final_processing m68k_elf_final_processing
 extern void m68k_elf_final_processing PARAMS ((void));
 #endif
 
-#define TC_FORCE_RELOCATION(FIX)                       \
-       ((FIX)->fx_r_type == BFD_RELOC_VTABLE_INHERIT   \
-        || (FIX)->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
-
 #else /* ! BFD_ASSEMBLER */
 
 #define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym)
 
-#define NO_RELOC 0
+#define NO_RELOC          0
+#define RELAX_RELOC_ABS8  0
+#define RELAX_RELOC_ABS16 0
+#define RELAX_RELOC_ABS32 0
+#define RELAX_RELOC_PC8   0
+#define RELAX_RELOC_PC16  0
+#define RELAX_RELOC_PC32  0
 
 #endif /* ! BFD_ASSEMBLER */
 
@@ -214,11 +212,26 @@ extern int m68k_parse_long_option PARAMS ((char *));
 extern struct relax_type md_relax_table[];
 #define TC_GENERIC_RELAX_TABLE md_relax_table
 
-/* Copied from write.c */
-/* This was formerly called M68K_AIM_KLUDGE.  */
+/* We can't do a byte jump to the next instruction, so in that case
+   force word mode by faking AIM.  */
 #define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
-  if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
-    aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
-  }
+  do                                                                     \
+    {                                                                    \
+      if (aim == 0 && this_type->rlx_forward == 127)                     \
+        aim = 128;                                                       \
+    }                                                                    \
+  while (0)
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+
+/* We want .cfi_* pseudo-ops for generating unwind info.  */
+#define TARGET_USE_CFIPOP 1
+
+#define DWARF2_DEFAULT_RETURN_COLUMN 24
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
+
+#define tc_regname_to_dw2regnum tc_m68k_regname_to_dw2regnum
+extern int tc_m68k_regname_to_dw2regnum (const char *regname);
 
-/* end of tc-m68k.h */
+#define tc_cfi_frame_initial_instructions tc_m68k_frame_initial_instructions
+extern void tc_m68k_frame_initial_instructions (void);