newlib/include/coff/sh.h

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/* coff information for Renesas SH
Copyright 2001, 2003 Free Software Foundation, Inc.
This program 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 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef COFF_WITH_PE
#define L_LNNO_SIZE 2
#else
#define L_LNNO_SIZE 4
#endif
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
#include "coff/external.h"
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#define SH_ARCH_MAGIC_BIG 0x0500
#define SH_ARCH_MAGIC_LITTLE 0x0550 /* Little endian SH */
#define SH_ARCH_MAGIC_WINCE 0x01a2 /* Windows CE - little endian */
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#define SH_PE_MAGIC 0x010b
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#define SHBADMAG(x) \
(((x).f_magic != SH_ARCH_MAGIC_BIG) && \
((x).f_magic != SH_ARCH_MAGIC_WINCE) && \
((x).f_magic != SH_ARCH_MAGIC_LITTLE))
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/* Define some NT default values. */
/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT 0x200
#define NT_DEF_RESERVE 0x100000
#define NT_DEF_COMMIT 0x1000
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/********************** RELOCATION DIRECTIVES **********************/
/* The external reloc has an offset field, because some of the reloc
types on the h8 don't have room in the instruction for the entire
offset - eg the strange jump and high page addressing modes. */
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#ifndef COFF_WITH_PE
struct external_reloc
{
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char r_vaddr[4];
char r_symndx[4];
char r_offset[4];
char r_type[2];
char r_stuff[2];
};
#else
struct external_reloc
{
char r_vaddr[4];
char r_symndx[4];
char r_type[2];
};
#endif
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#define RELOC struct external_reloc
#ifdef COFF_WITH_PE
#define RELSZ 10
#else
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#define RELSZ 16
#endif
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/* SH relocation types. Not all of these are actually used. */
#define R_SH_UNUSED 0 /* only used internally */
#define R_SH_IMM32CE 2 /* 32 bit immediate for WinCE */
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#define R_SH_PCREL8 3 /* 8 bit pcrel */
#define R_SH_PCREL16 4 /* 16 bit pcrel */
#define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */
#define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */
#define R_SH_IMM24 6 /* 24 bit immediate */
#define R_SH_PCDISP8BY4 9 /* PC rel 8 bits *4 +ve */
#define R_SH_PCDISP8BY2 10 /* PC rel 8 bits *2 +ve */
#define R_SH_PCDISP8 11 /* 8 bit branch */
#define R_SH_PCDISP 12 /* 12 bit branch */
#define R_SH_IMM32 14 /* 32 bit immediate */
#define R_SH_IMM8 16 /* 8 bit immediate */
#define R_SH_IMAGEBASE 16 /* Windows CE */
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#define R_SH_IMM8BY2 17 /* 8 bit immediate *2 */
#define R_SH_IMM8BY4 18 /* 8 bit immediate *4 */
#define R_SH_IMM4 19 /* 4 bit immediate */
#define R_SH_IMM4BY2 20 /* 4 bit immediate *2 */
#define R_SH_IMM4BY4 21 /* 4 bit immediate *4 */
#define R_SH_PCRELIMM8BY2 22 /* PC rel 8 bits *2 unsigned */
#define R_SH_PCRELIMM8BY4 23 /* PC rel 8 bits *4 unsigned */
#define R_SH_IMM16 24 /* 16 bit immediate */
/* The switch table reloc types are used for relaxing. They are
generated for expressions such as
.word L1 - L2
The r_offset field holds the difference between the reloc address
and L2. */
#define R_SH_SWITCH8 33 /* 8 bit switch table entry */
#define R_SH_SWITCH16 25 /* 16 bit switch table entry */
#define R_SH_SWITCH32 26 /* 32 bit switch table entry */
/* The USES reloc type is used for relaxing. The compiler will
generate .uses pseudo-ops when it finds a function call which it
can relax. The r_offset field of the USES reloc holds the PC
relative offset to the instruction which loads the register used in
the function call. */
#define R_SH_USES 27 /* .uses pseudo-op */
/* The COUNT reloc type is used for relaxing. The assembler will
generate COUNT relocs for addresses referred to by the register
loads associated with USES relocs. The r_offset field of the COUNT
reloc holds the number of times the address is referenced in the
object file. */
#define R_SH_COUNT 28 /* Count of constant pool uses */
/* The ALIGN reloc type is used for relaxing. The r_offset field is
the power of two to which subsequent portions of the object file
must be aligned. */
#define R_SH_ALIGN 29 /* .align pseudo-op */
/* The CODE and DATA reloc types are used for aligning load and store
instructions. The assembler will generate a CODE reloc before a
block of instructions. It will generate a DATA reloc before data.
A section should be processed assuming it contains data, unless a
CODE reloc is seen. The only relevant pieces of information in the
CODE and DATA relocs are the section and the address. The symbol
and offset are meaningless. */
#define R_SH_CODE 30 /* start of code */
#define R_SH_DATA 31 /* start of data */
/* The LABEL reloc type is used for aligning load and store
instructions. The assembler will generate a LABEL reloc for each
label within a block of instructions. This permits the linker to
avoid swapping instructions which are the targets of branches. */
#define R_SH_LABEL 32 /* label */
/* NB: R_SH_SWITCH8 is 33 */
sh-dsp REPEAT support: opcodes: * sh-opc.h (sh_nibble_type): Remove DISP_8 and DISP_4. Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT. (sh_arg_type): Add A_PC. (sh_table): Update entries using immediates. Add repeat. * sh-dis.c (print_insn_shx): Remove DISP_8 and DISP_4. Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT. gas: * config/tc-sh.c (immediate): Delete. (sh_operand_info): Add immediate member. (parse_reg): Use A_PC for pc. (parse_exp): Add second argument 'op'. All callers changed. (parse_at): Expect pc to be coded as A_PC. Use immediate field in *op. (insert): Add fourth argument 'op'. All callers changed. (build_relax): Add second argument 'op'. All callers changed. (insert_loop_bounds): New function. (build_Mytes): Remove DISP_4. Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT. (assemble_ppi): Use immediate field in *operand. (sh_force_relocation): Handle BFD_RELOC_SH_LOOP_{START,END}. (md_apply_fix): Likewise. (tc_gen_reloc): Likewise. Check for a pcrel BFD_RELOC_SH_LABEL. include/coff: * sh.h (R_SH_LOOP_START, R_SH_LOOP_END): Define. include/elf: * sh.h (R_SH_LOOP_START, R_SH_LOOP_END): New RELOC_NUMBERs. bfd: * reloc.c (_bfd_relocate_contents): Add BFD_RELOC_SH_LOOP_START and BFD_RELOC_SH_LOOP_END. * elf32-sh.c (sh_elf_howto_tab): Change special_func to sh_elf_ignore_reloc for all entries that sh_elf_reloc used to ignore. Add entries for R_SH_LOOP_START and R_SH_LOOP_END. (sh_elf_reloc_loop): New function. (sh_elf_reloc): No need to test for always-to-be-ignored relocs any more. (sh_rel): Add entries for BFD_RELOC_SH_LOOP_{START,END}. (sh_elf_relocate_section): Handle BFD_RELOC_SH_LOOP_{START,END}. * bfd-in2.h, libbfd.h: Regenerate.
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#define R_SH_LOOP_START 34
#define R_SH_LOOP_END 35