aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKen Raeburn <raeburn@cygnus>1993-07-07 16:56:24 +0000
committerKen Raeburn <raeburn@cygnus>1993-07-07 16:56:24 +0000
commit3c8df4ba76251b63d59b290cfb06aaad04f69aae (patch)
tree2e5b2b0c9d3dfb20ded22f8d997ed7d40299ecde
parent6e3785155daf564c6ee03671971988f1da39738b (diff)
downloadgdb-3c8df4ba76251b63d59b290cfb06aaad04f69aae.zip
gdb-3c8df4ba76251b63d59b290cfb06aaad04f69aae.tar.gz
gdb-3c8df4ba76251b63d59b290cfb06aaad04f69aae.tar.bz2
(md_create_short_jump, md_create_long_jump,
md_number_to_chars, md_section_align): Adjusted for new interface.
-rw-r--r--gas/config/tc-i386.c126
1 files changed, 66 insertions, 60 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 0f5d218..a61ccd0 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -34,7 +34,7 @@
/* 'md_assemble ()' gathers together information and puts it into a
i386_insn. */
-typedef struct
+struct _i386_insn
{
/* TM holds the template for the insn were currently assembling. */
template tm;
@@ -85,9 +85,9 @@ typedef struct
modrm_byte rm;
base_index_byte bi;
- }
+ };
-i386_insn;
+typedef struct _i386_insn i386_insn;
/* This array holds the chars that always start a comment. If the
pre-processor is disabled, these aren't very useful */
@@ -135,8 +135,7 @@ static char digit_chars[256];
/* put here all non-digit non-letter charcters that may occur in an operand */
static char operand_special_chars[] = "%$-+(,)*._~/<>|&^!:";
-static char *ordinal_names[] =
-{"first", "second", "third"}; /* for printfs */
+static char *ordinal_names[] = {"first", "second", "third"}; /* for printfs */
/* md_assemble() always leaves the strings it's passed unaltered. To
effect this we maintain a stack of saved characters that we've smashed
@@ -158,12 +157,11 @@ static reg_entry *ebp, *esp;
static int this_operand; /* current operand we are working on */
-/*
- Interface to relax_segment.
- There are 2 relax states for 386 jump insns: one for conditional & one
- for unconditional jumps. This is because the these two types of jumps
- add different sizes to frags when we're figuring out what sort of jump
- to choose to reach a given label. */
+/* Interface to relax_segment.
+ There are 2 relax states for 386 jump insns: one for conditional &
+ one for unconditional jumps. This is because the these two types
+ of jumps add different sizes to frags when we're figuring out what
+ sort of jump to choose to reach a given label. */
/* types */
#define COND_JUMP 1 /* conditional jump */
@@ -174,6 +172,14 @@ static int this_operand; /* current operand we are working on */
#define DWORD 2
#define UNKNOWN_SIZE 3
+#ifndef INLINE
+#ifdef __GNUC__
+#define INLINE __inline__
+#else
+#define INLINE
+#endif
+#endif
+
#define ENCODE_RELAX_STATE(type,size) ((type<<2) | (size))
#define SIZE_FROM_RELAX_STATE(s) \
( (((s) & 0x3) == BYTE ? 1 : (((s) & 0x3) == WORD ? 2 : 4)) )
@@ -191,23 +197,23 @@ const relax_typeS md_relax_table[] =
{1, 1, 0, 0},
{1, 1, 0, 0},
-/* For now we don't use word displacement jumps: they may be
- untrustworthy. */
+ /* For now we don't use word displacement jumps; they may be
+ untrustworthy. */
{127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (COND_JUMP, DWORD)},
-/* word conditionals add 3 bytes to frag:
- 2 opcode prefix; 1 displacement bytes */
+ /* word conditionals add 3 bytes to frag:
+ 2 opcode prefix; 1 displacement bytes */
{32767 + 2, -32768 + 2, 3, ENCODE_RELAX_STATE (COND_JUMP, DWORD)},
-/* dword conditionals adds 4 bytes to frag:
- 1 opcode prefix; 3 displacement bytes */
+ /* dword conditionals adds 4 bytes to frag:
+ 1 opcode prefix; 3 displacement bytes */
{0, 0, 4, 0},
{1, 1, 0, 0},
{127 + 1, -128 + 1, 0, ENCODE_RELAX_STATE (UNCOND_JUMP, DWORD)},
-/* word jmp adds 2 bytes to frag:
- 1 opcode prefix; 1 displacement bytes */
+ /* word jmp adds 2 bytes to frag:
+ 1 opcode prefix; 1 displacement bytes */
{32767 + 2, -32768 + 2, 2, ENCODE_RELAX_STATE (UNCOND_JUMP, DWORD)},
-/* dword jmp adds 3 bytes to frag:
- 0 opcode prefix; 3 displacement bytes */
+ /* dword jmp adds 3 bytes to frag:
+ 0 opcode prefix; 3 displacement bytes */
{0, 0, 3, 0},
{1, 1, 0, 0},
@@ -220,18 +226,16 @@ static reg_entry *parse_register PARAMS ((char *reg_string));
static void s_bss PARAMS ((void));
#endif
-static unsigned long
+static INLINE unsigned long
mode_from_disp_size (t)
unsigned long t;
{
- return ((t & (Disp8))
- ? 1
- : ((t & (Disp32)) ? 2 : 0));
-} /* mode_from_disp_size() */
+ return (t & Disp8) ? 1 : (t & Disp32) ? 2 : 0;
+}
-/* convert opcode suffix ('b' 'w' 'l' typically) into type specifyer */
+/* convert opcode suffix ('b' 'w' 'l' typically) into type specifier */
-static unsigned long
+static INLINE unsigned long
opcode_suffix_to_type (s)
unsigned long s;
{
@@ -240,32 +244,32 @@ opcode_suffix_to_type (s)
? Word : DWord));
} /* opcode_suffix_to_type() */
-static int
+static INLINE int
fits_in_signed_byte (num)
long num;
{
- return ((num >= -128) && (num <= 127));
+ return (num >= -128) && (num <= 127);
} /* fits_in_signed_byte() */
-static int
+static INLINE int
fits_in_unsigned_byte (num)
long num;
{
- return ((num & 0xff) == num);
+ return (num & 0xff) == num;
} /* fits_in_unsigned_byte() */
-static int
+static INLINE int
fits_in_unsigned_word (num)
long num;
{
- return ((num & 0xffff) == num);
+ return (num & 0xffff) == num;
} /* fits_in_unsigned_word() */
-static int
+static INLINE int
fits_in_signed_word (num)
long num;
{
- return ((-32768 <= num) && (num <= 32767));
+ return (-32768 <= num) && (num <= 32767);
} /* fits_in_signed_word() */
static int
@@ -274,13 +278,13 @@ smallest_imm_type (num)
{
return ((num == 1)
? (Imm1 | Imm8 | Imm8S | Imm16 | Imm32)
- : (fits_in_signed_byte (num)
- ? (Imm8S | Imm8 | Imm16 | Imm32)
- : (fits_in_unsigned_byte (num)
- ? (Imm8 | Imm16 | Imm32)
- : ((fits_in_signed_word (num) || fits_in_unsigned_word (num))
- ? (Imm16 | Imm32)
- : (Imm32)))));
+ : fits_in_signed_byte (num)
+ ? (Imm8S | Imm8 | Imm16 | Imm32)
+ : fits_in_unsigned_byte (num)
+ ? (Imm8 | Imm16 | Imm32)
+ : (fits_in_signed_word (num) || fits_in_unsigned_word (num))
+ ? (Imm16 | Imm32)
+ : (Imm32));
} /* smallest_imm_type() */
/* Ignore certain directives generated by gcc. This probably should
@@ -297,7 +301,7 @@ const pseudo_typeS md_pseudo_table[] =
#ifndef I386COFF
{"bss", s_bss, 0},
#endif
-#if !defined (TE_LINUX) && !defined (TE_386BSD)
+#ifndef OBJ_AOUT
{"align", s_align_bytes, 0},
#else
{"align", s_align_ptwo, 0},
@@ -364,7 +368,8 @@ md_begin ()
if (hash_err && *hash_err)
{
hash_error:
- as_fatal ("Internal Error: Can't hash %s: %s", prev_name, hash_err);
+ as_fatal ("Internal Error: Can't hash %s: %s", prev_name,
+ hash_err);
}
prev_name = optab->name;
core_optab = (templates *) xmalloc (sizeof (templates));
@@ -629,7 +634,7 @@ reloc (size, pcrel)
#endif
/* This is the guts of the machine-dependent assembler. LINE points to a
- machine dependent instruction. This funciton is supposed to emit
+ machine dependent instruction. This function is supposed to emit
the frags/bytes it assembles to. */
void
md_assemble (line)
@@ -1611,7 +1616,7 @@ i386_operand (operand_string)
char *displacement_string_end = NULL;
/* We check for an absolute prefix (differentiating,
- for example, 'jmp pc_relative_label' from 'jmp *absolute_label'. */
+ for example, 'jmp pc_relative_label' from 'jmp *absolute_label'. */
if (*op_string == ABSOLUTE_PREFIX)
{
op_string++;
@@ -1628,7 +1633,7 @@ i386_operand (operand_string)
return 0;
}
/* Check for segment override, rather than segment register by
- searching for ':' after %<x>s where <x> = s, c, d, e, f, g. */
+ searching for ':' after %<x>s where <x> = s, c, d, e, f, g. */
if ((r->reg_type & (SReg2 | SReg3)) && op_string[3] == ':')
{
switch (r->reg_num)
@@ -2156,7 +2161,7 @@ const int md_reloc_size = 8; /* Size of relocation record */
void
md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
char *ptr;
- long from_addr, to_addr;
+ valueT from_addr, to_addr;
fragS *frag;
symbolS *to_symbol;
{
@@ -2170,7 +2175,7 @@ md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
void
md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
char *ptr;
- long from_addr, to_addr;
+ valueT from_addr, to_addr;
fragS *frag;
symbolS *to_symbol;
{
@@ -2204,7 +2209,7 @@ md_parse_option (argP, cntP, vecP)
void /* Knows about order of bytes in address. */
md_number_to_chars (con, value, nbytes)
char con[]; /* Return 'nbytes' of chars here. */
- long value; /* The value of the bits. */
+ valueT value; /* The value of the bits. */
int nbytes; /* Number of bytes in the output. */
{
register char *p = con;
@@ -2303,8 +2308,7 @@ md_chars_to_number (con, nbytes)
/* Turn the string pointed to by litP into a floating point constant of type
type, and emit the appropriate bytes. The number of LITTLENUMS emitted
- is stored in *sizeP . An error message is returned, or NULL on OK.
- */
+ is stored in *sizeP . An error message is returned, or NULL on OK. */
char *
md_atof (type, litP, sizeP)
char type;
@@ -2342,8 +2346,8 @@ md_atof (type, litP, sizeP)
input_line_pointer = t;
*sizeP = prec * sizeof (LITTLENUM_TYPE);
- /* this loops outputs the LITTLENUMs in REVERSE order; in accord with
- the bigendian 386 */
+ /* This loops outputs the LITTLENUMs in REVERSE order; in accord with
+ the bigendian 386. */
for (wordP = words + prec - 1; prec--;)
{
md_number_to_chars (litP, (long) (*wordP--), sizeof (LITTLENUM_TYPE));
@@ -2367,7 +2371,8 @@ output_invalid (c)
static reg_entry *
parse_register (reg_string)
- char *reg_string; /* reg_string starts *before* REGISTER_PREFIX */
+ /* reg_string starts *before* REGISTER_PREFIX */
+ char *reg_string;
{
register char *s = reg_string;
register char *p;
@@ -2407,10 +2412,10 @@ md_operand (expressionP)
}
/* Round up a section size to the appropriate boundary. */
-long
+valueT
md_section_align (segment, size)
segT segment;
- long size;
+ valueT size;
{
return size; /* Byte alignment is fine */
}
@@ -2467,6 +2472,8 @@ tc_gen_reloc (section, fixp)
default:
abort ();
}
+#undef MAP
+#undef F
reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
assert (reloc != 0);
@@ -2497,8 +2504,7 @@ tc_aout_fix_to_chars (where, fixP, segment_address_in_file)
* Out: GNU LD relocation length code: 0, 1, or 2.
*/
- static unsigned char nbytes_r_length[] =
- {42, 0, 1, 42, 2};
+ static const unsigned char nbytes_r_length[] = {42, 0, 1, 42, 2};
long r_symbolnum;
know (fixP->fx_addsy != NULL);