+/* We record, for each section, whether we have most recently output a
+ CODE reloc or a DATA reloc. */
+struct sh_segment_info_type
+{
+ int in_code : 1;
+};
+#define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type
+
+/* We call a routine to emit a reloc for a label, so that the linker
+ can align loads and stores without crossing a label. */
+extern void sh_frob_label (symbolS *);
+#define tc_frob_label(sym) sh_frob_label (sym)
+
+/* We call a routine to flush pending output in order to output a DATA
+ reloc when required. */
+extern void sh_flush_pending_output (void);
+#define md_flush_pending_output() sh_flush_pending_output ()
+
+#define tc_frob_file_before_adjust sh_frob_file
+extern void sh_frob_file (void);
+
+
+#ifdef OBJ_COFF
+/* COFF specific definitions. */
+
+#define COFF_MAGIC (!target_big_endian ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG)
+
+#define tc_coff_symbol_emit_hook(a) ; /* Not used. */
+
+#define TC_KEEP_FX_OFFSET 1
+
+#define SEG_NAME(SEG) segment_name (SEG)
+
+/* We align most sections to a 16 byte boundary. */
+#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
+ (strncmp (SEG_NAME (SEG), ".stabstr", 8) == 0 \
+ ? 0 \
+ : ((strncmp (SEG_NAME (SEG), ".stab", 5) == 0 \
+ || strcmp (SEG_NAME (SEG), ".ctors") == 0 \
+ || strcmp (SEG_NAME (SEG), ".dtors") == 0) \
+ ? 2 \
+ : (sh_small ? 2 : 4)))
+
+#endif /* OBJ_COFF */
+
+#ifdef OBJ_ELF
+/* ELF specific definitions. */
+
+/* Whether or not the target is big endian. */
+extern int target_big_endian;
+#ifdef TE_LINUX
+#define TARGET_FORMAT (!target_big_endian ? "elf32-sh-linux" : "elf32-shbig-linux")
+#elif defined(TE_NetBSD)
+#define TARGET_FORMAT (!target_big_endian ? "elf32-shl-nbsd" : "elf32-sh-nbsd")
+#elif defined TARGET_SYMBIAN
+#define TARGET_FORMAT (!target_big_endian ? "elf32-shl-symbian" : "elf32-sh-symbian")
+#elif defined (TE_VXWORKS)
+#define TARGET_FORMAT (!target_big_endian ? "elf32-shl-vxworks" : "elf32-sh-vxworks")
+#elif defined (TE_UCLINUX)
+#define TARGET_FORMAT sh_uclinux_target_format ()
+extern const char * sh_uclinux_target_format (void);
+#else
+#define TARGET_FORMAT (!target_big_endian ? "elf32-shl" : "elf32-sh")
+#endif
+
+#define elf_tc_final_processing sh_elf_final_processing
+extern void sh_elf_final_processing (void);
+
+#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs. */
+
+#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
+
+/* This is the relocation type for direct references to
+ GLOBAL_OFFSET_TABLE. It comes up in complicated expressions such
+ as _GLOBAL_OFFSET_TABLE_+[.-.L284], which cannot be expressed
+ normally with the regular expressions. The fixup specified here
+ when used at runtime implies that we should add the address of the
+ GOT to the specified location, and as a result we have simplified
+ the expression into something we can use. */
+#define TC_RELOC_GLOBAL_OFFSET_TABLE BFD_RELOC_SH_GOTPC
+
+#define tc_fix_adjustable(FIX) sh_fix_adjustable(FIX)
+extern bfd_boolean sh_fix_adjustable (struct fix *);
+
+/* Values passed to md_apply_fix don't include symbol values. */
+#define MD_APPLY_SYM_VALUE(FIX) 0
+
+/* This expression evaluates to true if the relocation is for a local object
+ for which we still want to do the relocation at runtime. False if we
+ are willing to perform this relocation while building the .o file.
+
+ We can't resolve references to the GOT or the PLT when creating the
+ object file, since these tables are only created by the linker.
+ Also, if the symbol is global, weak, common or not defined, the
+ assembler can't compute the appropriate reloc, since its location
+ can only be determined at link time. */
+
+#define TC_FORCE_RELOCATION_LOCAL(FIX) \
+ (!(FIX)->fx_pcrel \
+ || (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
+ || (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \
+ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC \
+ || TC_FORCE_RELOCATION (FIX))
+
+#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) \
+ ((!md_register_arithmetic && (SEG) == reg_section) \
+ || (sh_relax && SWITCH_TABLE (FIX)))
+
+/* This keeps the subtracted symbol around, for use by PLT_PCREL
+ relocs. */
+#define TC_FORCE_RELOCATION_SUB_ABS(FIX, SEG) \
+ ((FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
+ || (!md_register_arithmetic && (SEG) == reg_section))
+
+/* Don't complain when we leave fx_subsy around. */
+#undef TC_VALIDATE_FIX_SUB
+#define TC_VALIDATE_FIX_SUB(FIX, SEG) \
+ ((md_register_arithmetic || (SEG) != reg_section) \
+ && ((FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
+ || (sh_relax && SWITCH_TABLE (FIX))))
+
+#define md_parse_name(name, exprP, mode, nextcharP) \
+ sh_parse_name ((name), (exprP), (mode), (nextcharP))
+int sh_parse_name (char const *, expressionS *,
+ enum expr_mode, char *);
+
+#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \
+ sh_cons_fix_new ((FRAG), (OFF), (LEN), (EXP))
+void sh_cons_fix_new (fragS *, int, int, expressionS *);
+
+/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
+ symbols. The relocation type is stored in X_md. */
+#define O_PIC_reloc O_md1
+
+#define TARGET_USE_CFIPOP 1
+
+#define tc_cfi_frame_initial_instructions sh_cfi_frame_initial_instructions
+extern void sh_cfi_frame_initial_instructions (void);
+
+#define tc_regname_to_dw2regnum sh_regname_to_dw2regnum
+extern int sh_regname_to_dw2regnum (char *);
+
+/* All SH instructions are multiples of 16 bits. */
+#define DWARF2_LINE_MIN_INSN_LENGTH 2
+#define DWARF2_DEFAULT_RETURN_COLUMN 17
+#define DWARF2_CIE_DATA_ALIGNMENT (-4)
projects / deliverable / binutils-gdb.git / blobdiff