[thirdparty/binutils-gdb.git] / include / coff / sh.h

/* coff information for Renesas SH
   
   Copyright (C) 2000-2021 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#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"

#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 */
#define SH_PE_MAGIC		0x010b

#define SHBADMAG(x) \
 (((x).f_magic != SH_ARCH_MAGIC_BIG) && \
  ((x).f_magic != SH_ARCH_MAGIC_WINCE) && \
  ((x).f_magic != SH_ARCH_MAGIC_LITTLE))

/* 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

/********************** 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.  */

#ifndef COFF_WITH_PE
struct external_reloc
{
  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

#define RELOC struct external_reloc
#ifdef COFF_WITH_PE
#define RELSZ 10
#else
#define RELSZ 16
#endif

/* 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 */
#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 */
#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 */

#define R_SH_LOOP_START	34
#define R_SH_LOOP_END	35
Commit	Line	Data
c2dcd04e	1	/* coff information for Renesas SH
4f1d9bd8	2
250d07de	3	Copyright (C) 2000-2021 Free Software Foundation, Inc.
4f1d9bd8 NC	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
e4e42b45	7	the Free Software Foundation; either version 3 of the License, or
4f1d9bd8 NC	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software
e4e42b45 NC	17	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
e4e42b45 NC	18	MA 02110-1301, USA. */
252b5132	19
4f1d9bd8 NC	20	#ifdef COFF_WITH_PE
	21	#define L_LNNO_SIZE 2
	22	#else
	23	#define L_LNNO_SIZE 4
	24	#endif
	25	#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
	26	#include "coff/external.h"
252b5132 RH	27
	28	#define SH_ARCH_MAGIC_BIG 0x0500
	29	#define SH_ARCH_MAGIC_LITTLE 0x0550 /* Little endian SH */
056350c6	30	#define SH_ARCH_MAGIC_WINCE 0x01a2 /* Windows CE - little endian */
5e671ea1	31	#define SH_PE_MAGIC 0x010b
252b5132	32
252b5132	33	#define SHBADMAG(x) \
4f1d9bd8 NC	34	(((x).f_magic != SH_ARCH_MAGIC_BIG) && \
	35	((x).f_magic != SH_ARCH_MAGIC_WINCE) && \
	36	((x).f_magic != SH_ARCH_MAGIC_LITTLE))
252b5132	37
056350c6 NC	38	/* Define some NT default values. */
	39	/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
	40	#define NT_SECTION_ALIGNMENT 0x1000
	41	#define NT_FILE_ALIGNMENT 0x200
	42	#define NT_DEF_RESERVE 0x100000
	43	#define NT_DEF_COMMIT 0x1000
252b5132	44
252b5132 RH	45	/******************** RELOCATION DIRECTIVES ********************/
	46
	47	/* The external reloc has an offset field, because some of the reloc
	48	types on the h8 don't have room in the instruction for the entire
4f1d9bd8	49	offset - eg the strange jump and high page addressing modes. */
252b5132	50
056350c6	51	#ifndef COFF_WITH_PE
4f1d9bd8 NC	52	struct external_reloc
4f1d9bd8 NC	53	{
252b5132 RH	54	char r_vaddr[4];
	55	char r_symndx[4];
	56	char r_offset[4];
	57	char r_type[2];
	58	char r_stuff[2];
	59	};
056350c6	60	#else
4f1d9bd8 NC	61	struct external_reloc
4f1d9bd8 NC	62	{
056350c6 NC	63	char r_vaddr[4];
	64	char r_symndx[4];
	65	char r_type[2];
	66	};
	67	#endif
252b5132	68
252b5132	69	#define RELOC struct external_reloc
056350c6 NC	70	#ifdef COFF_WITH_PE
	71	#define RELSZ 10
	72	#else
252b5132	73	#define RELSZ 16
056350c6	74	#endif
252b5132 RH	75
	76	/* SH relocation types. Not all of these are actually used. */
	77
	78	#define R_SH_UNUSED 0 /* only used internally */
056350c6	79	#define R_SH_IMM32CE 2 /* 32 bit immediate for WinCE */
252b5132 RH	80	#define R_SH_PCREL8 3 /* 8 bit pcrel */
	81	#define R_SH_PCREL16 4 /* 16 bit pcrel */
	82	#define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */
	83	#define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */
	84	#define R_SH_IMM24 6 /* 24 bit immediate */
	85	#define R_SH_PCDISP8BY4 9 /* PC rel 8 bits 4 +ve /
	86	#define R_SH_PCDISP8BY2 10 /* PC rel 8 bits 2 +ve /
	87	#define R_SH_PCDISP8 11 /* 8 bit branch */
	88	#define R_SH_PCDISP 12 /* 12 bit branch */
	89	#define R_SH_IMM32 14 /* 32 bit immediate */
	90	#define R_SH_IMM8 16 /* 8 bit immediate */
056350c6	91	#define R_SH_IMAGEBASE 16 /* Windows CE */
252b5132 RH	92	#define R_SH_IMM8BY2 17 /* 8 bit immediate 2 /
	93	#define R_SH_IMM8BY4 18 /* 8 bit immediate 4 /
	94	#define R_SH_IMM4 19 /* 4 bit immediate */
	95	#define R_SH_IMM4BY2 20 /* 4 bit immediate 2 /
	96	#define R_SH_IMM4BY4 21 /* 4 bit immediate 4 /
	97	#define R_SH_PCRELIMM8BY2 22 /* PC rel 8 bits 2 unsigned /
	98	#define R_SH_PCRELIMM8BY4 23 /* PC rel 8 bits 4 unsigned /
	99	#define R_SH_IMM16 24 /* 16 bit immediate */
	100
	101	/* The switch table reloc types are used for relaxing. They are
	102	generated for expressions such as
	103	.word L1 - L2
	104	The r_offset field holds the difference between the reloc address
	105	and L2. */
	106	#define R_SH_SWITCH8 33 /* 8 bit switch table entry */
	107	#define R_SH_SWITCH16 25 /* 16 bit switch table entry */
	108	#define R_SH_SWITCH32 26 /* 32 bit switch table entry */
	109
	110	/* The USES reloc type is used for relaxing. The compiler will
	111	generate .uses pseudo-ops when it finds a function call which it
	112	can relax. The r_offset field of the USES reloc holds the PC
	113	relative offset to the instruction which loads the register used in
	114	the function call. */
	115	#define R_SH_USES 27 /* .uses pseudo-op */
	116
	117	/* The COUNT reloc type is used for relaxing. The assembler will
	118	generate COUNT relocs for addresses referred to by the register
	119	loads associated with USES relocs. The r_offset field of the COUNT
	120	reloc holds the number of times the address is referenced in the
	121	object file. */
	122	#define R_SH_COUNT 28 /* Count of constant pool uses */
	123
	124	/* The ALIGN reloc type is used for relaxing. The r_offset field is
	125	the power of two to which subsequent portions of the object file
	126	must be aligned. */
	127	#define R_SH_ALIGN 29 /* .align pseudo-op */
	128
	129	/* The CODE and DATA reloc types are used for aligning load and store
	130	instructions. The assembler will generate a CODE reloc before a
	131	block of instructions. It will generate a DATA reloc before data.
	132	A section should be processed assuming it contains data, unless a
	133	CODE reloc is seen. The only relevant pieces of information in the
	134	CODE and DATA relocs are the section and the address. The symbol
	135	and offset are meaningless. */
	136	#define R_SH_CODE 30 /* start of code */
	137	#define R_SH_DATA 31 /* start of data */
	138
	139	/* The LABEL reloc type is used for aligning load and store
	140	instructions. The assembler will generate a LABEL reloc for each
	141	label within a block of instructions. This permits the linker to
	142	avoid swapping instructions which are the targets of branches. */
	143	#define R_SH_LABEL 32 /* label */
	144
	145	/* NB: R_SH_SWITCH8 is 33 */
015551fc JR	146
	147	#define R_SH_LOOP_START 34
	148	#define R_SH_LOOP_END 35