/* tc-sh.c -- Assemble code for the Hitachi Super-H
- Copyright (C) 1993, 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
{"uses", s_uses, 0},
{"uaword", s_uacons, 2},
{"ualong", s_uacons, 4},
- { "file", dwarf2_directive_file, 0 },
- { "loc", dwarf2_directive_loc, 0 },
+ {"uaquad", s_uacons, 8},
+ {"2byte", s_uacons, 2},
+ {"4byte", s_uacons, 4},
+ {"8byte", s_uacons, 8},
+#ifdef BFD_ASSEMBLER
+ {"file", dwarf2_directive_file, 0 },
+ {"loc", dwarf2_directive_loc, 0 },
+#endif
{0, 0, 0}
};
#define COND8 1
#define COND12 2
#define COND32 3
-#define UNCOND12 1
-#define UNCOND32 2
#define UNDEF_WORD_DISP 4
#define UNCOND12 1
{ COND12_F, COND12_M, COND12_LENGTH, C (COND_JUMP, COND32), },
/* C (COND_JUMP, COND32) */
{ COND32_F, COND32_M, COND32_LENGTH, 0, },
- EMPTY, EMPTY, EMPTY, EMPTY,
+ /* C (COND_JUMP, UNDEF_WORD_DISP) */
+ { 0, 0, COND32_LENGTH, 0, },
+ EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ COND12_F, COND12_M, COND12_DELAY_LENGTH, C (COND_JUMP_DELAY, COND32), },
/* C (COND_JUMP_DELAY, COND32) */
{ COND32_F, COND32_M, COND32_LENGTH, 0, },
- EMPTY, EMPTY, EMPTY, EMPTY,
+ /* C (COND_JUMP_DELAY, UNDEF_WORD_DISP) */
+ { 0, 0, COND32_LENGTH, 0, },
+ EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
EMPTY,
{ UNCOND12_F, UNCOND12_M, UNCOND12_LENGTH, C (UNCOND_JUMP, UNCOND32), },
/* C (UNCOND_JUMP, UNCOND32) */
{ UNCOND32_F, UNCOND32_M, UNCOND32_LENGTH, 0, },
- EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
+ EMPTY,
+ /* C (UNCOND_JUMP, UNDEF_WORD_DISP) */
+ { 0, 0, UNCOND32_LENGTH, 0, },
+ EMPTY, EMPTY, EMPTY,
EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
};
int len;
struct map_bfd *ptr;
-#define MAP(str,reloc) { str, sizeof(str)-1, reloc }
+#define MAP(str,reloc) { str, sizeof (str)-1, reloc }
static struct map_bfd mapping[] = {
MAP ("got", BFD_RELOC_32_GOT_PCREL),
if (l0 == 'm' && l1 == 'a' && tolower (src[2]) == 'c'
&& ! IDENT_CHAR ((unsigned char) src[4]))
{
- if (src[3] == 'l')
+ if (tolower (src[3]) == 'l')
{
*mode = A_MACL;
return 4;
}
- if (src[3] == 'h')
+ if (tolower (src[3]) == 'h')
{
*mode = A_MACH;
return 4;
}
}
+#ifdef BFD_ASSEMBLER
dwarf2_emit_insn (size);
+#endif
}
/* This routine is called each time a label definition is seen. It
We have already adjusted the value of sym to include the
fragment address, so we undo that adjustment here. */
subseg_change (sec, 0);
- fix_new (symbol_get_frag (sym),
- S_GET_VALUE (sym) - symbol_get_frag (sym)->fr_address,
+ fix_new (fscan->fx_frag,
+ S_GET_VALUE (sym) - fscan->fx_frag->fr_address,
4, &abs_symbol, info.count, 0, BFD_RELOC_SH_COUNT);
}
}
return;
}
- p = frag_var (rs_align_code, 1, 1, (relax_substateT) 0,
+ p = frag_var (rs_align_test, 1, 1, (relax_substateT) 0,
(symbolS *) NULL, (offsetT) nalign, (char *) NULL);
record_alignment (now_seg, nalign);
sh_handle_align (frag)
fragS *frag;
{
+ int bytes = frag->fr_next->fr_address - frag->fr_address - frag->fr_fix;
+
+ if (frag->fr_type == rs_align_code)
+ {
+ static const unsigned char big_nop_pattern[] = { 0x00, 0x09 };
+ static const unsigned char little_nop_pattern[] = { 0x09, 0x00 };
+
+ char *p = frag->fr_literal + frag->fr_fix;
+
+ if (bytes & 1)
+ {
+ *p++ = 0;
+ bytes--;
+ frag->fr_fix += 1;
+ }
+
+ if (target_big_endian)
+ {
+ memcpy (p, big_nop_pattern, sizeof big_nop_pattern);
+ frag->fr_var = sizeof big_nop_pattern;
+ }
+ else
+ {
+ memcpy (p, little_nop_pattern, sizeof little_nop_pattern);
+ frag->fr_var = sizeof little_nop_pattern;
+ }
+ }
+ else if (frag->fr_type == rs_align_test)
+ {
+ if (bytes != 0)
+ as_warn_where (frag->fr_file, frag->fr_line, _("misaligned data"));
+ }
+
if (sh_relax
- && frag->fr_type == rs_align
+ && (frag->fr_type == rs_align
+ || frag->fr_type == rs_align_code)
&& frag->fr_address + frag->fr_fix > 0
&& frag->fr_offset > 1
&& now_seg != bss_section)
fix_new (frag, frag->fr_fix, 2, &abs_symbol, frag->fr_offset, 0,
BFD_RELOC_SH_ALIGN);
-
- if (frag->fr_type == rs_align_code
- && frag->fr_next->fr_address - frag->fr_address - frag->fr_fix != 0)
- as_warn_where (frag->fr_file, frag->fr_line, _("misaligned data"));
}
/* This macro decides whether a particular reloc is an entry in a
register fragS *fragP;
register segT segment_type;
{
+ int what;
+
switch (fragP->fr_subtype)
{
+ default:
+ abort ();
+
case C (UNCOND_JUMP, UNDEF_DISP):
/* Used to be a branch to somewhere which was unknown. */
if (!fragP->fr_symbol)
{
fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12);
- fragP->fr_var = md_relax_table[C (UNCOND_JUMP, UNCOND12)].rlx_length;
}
else if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
{
fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12);
- fragP->fr_var = md_relax_table[C (UNCOND_JUMP, UNCOND12)].rlx_length;
}
else
{
fragP->fr_subtype = C (UNCOND_JUMP, UNDEF_WORD_DISP);
- fragP->fr_var = md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length;
- return md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length;
}
break;
- default:
- abort ();
case C (COND_JUMP, UNDEF_DISP):
case C (COND_JUMP_DELAY, UNDEF_DISP):
+ what = GET_WHAT (fragP->fr_subtype);
/* Used to be a branch to somewhere which was unknown. */
if (fragP->fr_symbol
&& S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
{
- int what = GET_WHAT (fragP->fr_subtype);
/* Got a symbol and it's defined in this segment, become byte
sized - maybe it will fix up. */
fragP->fr_subtype = C (what, COND8);
- fragP->fr_var = md_relax_table[C (what, COND8)].rlx_length;
}
else if (fragP->fr_symbol)
{
- int what = GET_WHAT (fragP->fr_subtype);
/* Its got a segment, but its not ours, so it will always be long. */
fragP->fr_subtype = C (what, UNDEF_WORD_DISP);
- fragP->fr_var = md_relax_table[C (what, COND32)].rlx_length;
- return md_relax_table[C (what, COND32)].rlx_length;
}
else
{
- int what = GET_WHAT (fragP->fr_subtype);
/* We know the abs value. */
fragP->fr_subtype = C (what, COND8);
- fragP->fr_var = md_relax_table[C (what, COND8)].rlx_length;
}
+ break;
+ case C (UNCOND_JUMP, UNCOND12):
+ case C (UNCOND_JUMP, UNCOND32):
+ case C (UNCOND_JUMP, UNDEF_WORD_DISP):
+ case C (COND_JUMP, COND8):
+ case C (COND_JUMP, COND12):
+ case C (COND_JUMP, COND32):
+ case C (COND_JUMP, UNDEF_WORD_DISP):
+ case C (COND_JUMP_DELAY, COND8):
+ case C (COND_JUMP_DELAY, COND12):
+ case C (COND_JUMP_DELAY, COND32):
+ case C (COND_JUMP_DELAY, UNDEF_WORD_DISP):
+ /* When relaxing a section for the second time, we don't need to
+ do anything besides return the current size. */
break;
}
+
+ fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length;
return fragP->fr_var;
}
#endif /* OBJ_COFF */
-/* When we align the .text section, insert the correct NOP pattern. */
-
-int
-sh_do_align (n, fill, len, max)
- int n;
- const char *fill;
- int len ATTRIBUTE_UNUSED;
- int max;
-{
- if (fill == NULL
- && subseg_text_p (now_seg)
- && n > 1)
- {
- static const unsigned char big_nop_pattern[] = { 0x00, 0x09 };
- static const unsigned char little_nop_pattern[] = { 0x09, 0x00 };
-
- /* First align to a 2 byte boundary, in case there is an odd
- .byte. */
- frag_align (1, 0, 0);
- if (target_big_endian)
- frag_align_pattern (n, big_nop_pattern, sizeof big_nop_pattern, max);
- else
- frag_align_pattern (n, little_nop_pattern, sizeof little_nop_pattern,
- max);
- return 1;
- }
-
- return 0;
-}
-
#ifndef BFD_ASSEMBLER
#ifdef OBJ_COFF
projects / binutils-gdb.git / blobdiff