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(md_operand): Replaced empty function in .c file with empty macro in .h file.

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This commit is contained in:
Ken Raeburn
1995-02-28 23:37:38 +00:00
parent 326ae3e292
commit 03678945bd
9 changed files with 241 additions and 128 deletions
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5
gas/config/tc-h8500.c
View File

@ -1475,11 +1475,6 @@ md_apply_fix (fixP, val)
}
}
void
DEFUN (md_operand, (expressionP), expressionS * expressionP)
{
}
int md_long_jump_size;
/*

2
gas/config/tc-h8500.h
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@ -39,4 +39,6 @@
#define TC_START_LABEL(ch, ptr) (ch == ':' && start_label(ptr))
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
#define md_operand(x)
/* end of tc-h8500.h */

171
gas/config/tc-i386.h
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@ -17,23 +17,118 @@
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef TC_I386
#define TC_I386 1
#define AOUT_MACHTYPE 100
#define REVERSE_SORT_RELOCS
#ifdef TE_LYNX
#define TARGET_FORMAT "coff-i386-lynx"
#endif
#define NO_LISTING
#ifdef BFD_ASSEMBLER
/* This is used to determine relocation types in tc-i386.c. The first
parameter is the current relocation type, the second one is the desired
type. The idea is that if the original type is already some kind of PIC
relocation, we leave it alone, otherwise we give it the desired type */
#define TC_RELOC(X,Y) (((X) != BFD_RELOC_386_PLT32 && \
(X) != BFD_RELOC_386_GOTOFF && \
(X) != BFD_RELOC_386_GOT32 && \
(X) != BFD_RELOC_386_GOTPC) ? Y : X)
#define tc_fix_adjustable(X) tc_i386_fix_adjustable(X)
/* 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_386_GOTPC
/* 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.
This is only used for pcrel relocations, so GOTOFF does not need to be
checked here. I am not sure if some of the others are ever used with
pcrel, but it is easier to be safe than sorry. */
#define TC_RELOC_RTSYM_LOC_FIXUP(X) \
((X) != BFD_RELOC_386_PLT32 && \
(X) != BFD_RELOC_386_GOT32 && \
(X) != BFD_RELOC_386_GOTPC)
#define TARGET_ARCH bfd_arch_i386
#define TARGET_BYTES_BIG_ENDIAN 0
#ifdef OBJ_AOUT
#ifdef TE_NetBSD
#define TARGET_FORMAT "a.out-i386-netbsd"
#endif
#ifdef TE_386BSD
#define TARGET_FORMAT "a.out-i386-bsd"
#endif
#ifdef TE_LINUX
#define TARGET_FORMAT "a.out-i386-linux"
#endif
#ifdef TE_Mach
#define TARGET_FORMAT "a.out-mach3"
#endif
#ifndef TARGET_FORMAT
#define TARGET_FORMAT "a.out-i386"
#endif
#endif /* OBJ_AOUT */
#ifdef OBJ_ELF
#define TARGET_FORMAT "elf32-i386"
#endif
#else /* ! BFD_ASSEMBLER */
/* COFF STUFF */
#define COFF_MAGIC I386MAGIC
#define BFD_ARCH bfd_arch_i386
#define COFF_FLAGS F_AR32WR
#define TC_COUNT_RELOC(x) ((x)->fx_addsy /* ||(x)->fx_subsy||(x)->fx_offset */)
#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
extern short tc_coff_fix2rtype ();
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
extern int tc_coff_sizemachdep PARAMS ((fragS *frag));
#define SUB_SEGMENT_ALIGN(SEG) 2
/* Need this for PIC relocations */
#define NEED_FX_R_TYPE
#define AOUT_MACHTYPE /* 100 */ 0
#undef REVERSE_SORT_RELOCS
#endif /* ! BFD_ASSEMBLER */
#ifdef BFD_ASSEMBLER
#define NO_RELOC BFD_RELOC_NONE
#else
#define NO_RELOC 0
#endif
#define tc_coff_symbol_emit_hook(a) ; /* not used */
#ifndef OBJ_AOUT
/* Local labels starts with .L */
#define LOCAL_LABEL(name) (name[0] == '.' \
&& (name[1] == 'L' || name[1] == 'X' || name[1] == '.'))
#define FAKE_LABEL_NAME ".L0\001"
#endif
#define LOCAL_LABELS_FB
#define tc_aout_pre_write_hook(x) {;} /* not used */
#define tc_crawl_symbol_chain(a) {;} /* not used */
#define tc_headers_hook(a) {;} /* not used */
#define MAX_OPERANDS 3 /* max operands per insn */
#define MAX_PREFIXES 4 /* max prefixes per opcode */
#define MAX_PREFIXES 5 /* max prefixes per opcode */
#define MAX_IMMEDIATE_OPERANDS 2/* max immediates per insn */
#define MAX_MEMORY_OPERANDS 2 /* max memory ref per insn
* lcall uses 2
*/
#define MAX_MEMORY_OPERANDS 2 /* max memory ref per insn (lcall uses 2) */
/* we define the syntax here (modulo base,index,scale syntax) */
#define REGISTER_PREFIX '%'
#define IMMEDIATE_PREFIX '$'
@ -41,6 +136,7 @@
#define PREFIX_SEPERATOR '/'
#define TWO_BYTE_OPCODE_ESCAPE 0x0f
#define NOP_OPCODE (char) 0x90
/* register numbers */
#define EBP_REG_NUM 5
@ -125,7 +221,8 @@
#define SMALLEST_DISP_TYPE(num) \
fits_in_signed_byte(num) ? (Disp8|Disp32|Abs8|Abs32) : (Disp32|Abs32)
typedef struct {
typedef struct
{
/* instruction name sans width suffix ("mov" for movl insns) */
char *name;
@ -166,6 +263,8 @@ typedef struct {
#define JumpByte 0x4000
#define JumpDword 0x8000
#define ReverseRegRegmem 0x10000
#define Data16 0x20000 /* needs data prefix if in 32-bit mode */
#define Data32 0x40000 /* needs data prefix if in 16-bit mode */
/* (opcode_modifier & COMES_IN_ALL_SIZES) is true if the
instuction comes in byte, word, and dword sizes and is encoded into
@ -183,7 +282,8 @@ typedef struct {
'operand_types[i] = Reg|Imm' specifies that operand i can be
either a register or an immediate operand */
unsigned int operand_types[3];
} template;
}
template;
/*
'templates' is for grouping together 'template' structures for opcodes
@ -192,41 +292,72 @@ typedef struct {
The templates themselves start at START and range up to (but not including)
END.
*/
typedef struct {
typedef struct
{
template *start;
template *end;
} templates;
/* these are for register name --> number & type hash lookup */
typedef struct {
typedef struct
{
char *reg_name;
unsigned int reg_type;
unsigned int reg_num;
} reg_entry;
}
typedef struct {
reg_entry;
typedef struct
{
char *seg_name;
unsigned int seg_prefix;
} seg_entry;
}
seg_entry;
/* these are for prefix name --> prefix code hash lookup */
typedef struct {
typedef struct
{
char *prefix_name;
unsigned char prefix_code;
} prefix_entry;
}
prefix_entry;
/* 386 operand encoding bytes: see 386 book for details of this. */
typedef struct {
typedef struct
{
unsigned regmem:3; /* codes register or memory operand */
unsigned reg:3; /* codes register operand (or extended opcode) */
unsigned mode:2; /* how to interpret regmem & reg */
} modrm_byte;
}
modrm_byte;
/* 386 opcode byte to code indirect addressing. */
typedef struct {
typedef struct
{
unsigned base:3;
unsigned index:3;
unsigned scale:2;
} base_index_byte;
}
base_index_byte;
/* The name of the global offset table generated by the compiler. Allow
this to be overridden if need be. */
#ifndef GLOBAL_OFFSET_TABLE_NAME
#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
#endif
#ifdef BFD_ASSEMBLER
void i386_validate_fix ();
#define TC_VALIDATE_FIX(FIXP,SEGTYPE,SKIP) i386_validate_fix(FIXP)
#endif
#endif /* TC_I386 */
#define md_operand(x)
/* end of tc-i386.h */

5
gas/config/tc-rce.c
View File

@ -1024,11 +1024,6 @@ md_apply_fix (fixP, val)
}
#endif
void
DEFUN (md_operand, (expressionP), expressionS * expressionP)
{
}
int md_long_jump_size;
/*

2
gas/config/tc-rce.h
View File

@ -51,4 +51,6 @@
#define NEED_FX_R_TYPE 1
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
#define md_operand(x)
#endif

11
gas/config/tc-tahoe.c
View File

@ -1986,17 +1986,6 @@ md_undefined_symbol (name)
return 0;
} /* md_undefined_symbol() */
/* Parse an operand that is machine-specific.
We just return without modifying the expression if we have nothing
to do. */
/* ARGSUSED */
void
md_operand (expressionP)
expressionS *expressionP;
{
} /* md_operand() */
/* Round up a section size to the appropriate boundary. */
valueT
md_section_align (segment, size)

2
gas/config/tc-tahoe.h
View File

@ -26,6 +26,8 @@
#define tc_crawl_symbol_chain(a) {;} /* don't need it. */
#define tc_aout_pre_write_hook(a) {;}
#define md_operand(x)
/*
* Local Variables:
* comment-column: 0

5
gas/config/tc-w65.c
View File

@ -1084,11 +1084,6 @@ md_apply_fix (fixP, val)
}
}
void
DEFUN (md_operand, (expressionP), expressionS * expressionP)
{
}
int md_long_jump_size;
/* Put number into target byte order */

4
gas/config/tc-w65.h
View File

@ -43,5 +43,7 @@
#define TC_CONS_RELOC tc_cons_reloc
#define DONT_OVERFLOW
int tc_cons_reloc;
/* end of tc-w65.h */
#define md_operand(x)
/* end of tc-w65.h */