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more attempts to handle `*' as mpg address

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This commit is contained in:
Doug Evans 1998-05-29 01:08:08 +00:00
parent dfa96dc4df
commit 5dccb8b0f4
1 changed files with 26 additions and 25 deletions
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51
gas/config/tc-dvp.c
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@ -59,8 +59,8 @@ static long parse_float PARAMS ((char **, const char **));
static symbolS * create_label PARAMS ((const char *, const char *));
static symbolS * create_colon_label PARAMS ((int, const char *, const char *));
static char * unique_name PARAMS ((const char *));
static char * vuoverlay_section_name PARAMS ((offsetT));
static void create_vuoverlay_section PARAMS ((const char *, offsetT,
static char * vuoverlay_section_name PARAMS ((symbolS *));
static void create_vuoverlay_section PARAMS ((const char *, symbolS *,
symbolS *, symbolS *));
static symbolS * compute_mpgloc PARAMS ((symbolS *, symbolS *, symbolS *));
static int compute_nloop PARAMS ((gif_type, int, int));
@ -667,32 +667,23 @@ assemble_vif (str)
Create an overlay section. */
{
int mpgloc = vif_get_mpgloc ();
offsetT addr;
const char * section_name;
/* Get the value of mpgloc. */
/* Update $.mpgloc if explicitly set.
Otherwise just use the current value. */
if (mpgloc != -1)
{
/* The value is recorded in bytes, mpgloc is in dwords. */
mpgloc_sym = expr_build_uconstant (mpgloc * 8);
}
else
{
/* Use the current value.
??? Things get complicated if this can't be resolved at this
point. Not sure what to do. */
resolve_symbol_value (mpgloc_sym, 1);
}
addr = S_GET_VALUE (mpgloc_sym);
section_name = vuoverlay_section_name (addr);
section_name = vuoverlay_section_name (mpgloc_sym);
vif_data_start = create_colon_label (STO_DVP_VU,
VUOVERLAY_START_PREFIX,
section_name);
insn_frag->fr_symbol = vif_data_start;
create_vuoverlay_section (section_name, addr,
create_vuoverlay_section (section_name, mpgloc_sym,
vif_data_start, vif_data_end);
}
}
@ -1977,6 +1968,9 @@ md_apply_fix3 (fixP, valueP, seg)
case BFD_RELOC_32:
md_number_to_chars (where, value, 4);
break;
case BFD_RELOC_64:
md_number_to_chars (where, value, 8);
break;
default:
as_fatal ("internal error: unexpected fixup");
}
@ -2262,7 +2256,7 @@ unique_name (prefix)
static char *
vuoverlay_section_name (addr)
offsetT addr;
symbolS *addr;
{
char *section_name;
char *file;
@ -2274,8 +2268,12 @@ vuoverlay_section_name (addr)
as_where (&file, &lineno);
for (fileno = 0; *file; ++file)
fileno = (fileno << 1) + *file;
asprintf (&section_name, "%s0x%x.%u.%u.%d", VUOVERLAY_SECTION_PREFIX,
(int) addr, fileno, lineno, counter);
if (addr->sy_value.X_op == O_constant)
asprintf (&section_name, "%s.0x%x.%u.%u.%d", VUOVERLAY_SECTION_PREFIX,
(int) S_GET_VALUE (addr), fileno, lineno, counter);
else
asprintf (&section_name, "%s.unknvma.%u.%u.%d", VUOVERLAY_SECTION_PREFIX,
fileno, lineno, counter);
++counter;
return section_name;
}
@ -2287,7 +2285,8 @@ vuoverlay_section_name (addr)
static void
create_vuoverlay_section (section_name, addr, start_label, end_label)
const char *section_name;
offsetT addr;
/* Remember, expressions are recorded as symbols. */
symbolS *addr;
symbolS *start_label, *end_label;
{
/* Must preserve the current seg/subseg. */
@ -2304,7 +2303,8 @@ create_vuoverlay_section (section_name, addr, start_label, end_label)
/* There's no point in setting the section vma as we can't get the linker
to preserve it. But what the heck ... It might be useful to the
objdump user. */
bfd_set_section_vma (stdoutput, vuoverlay_section, addr);
if (addr->sy_value.X_op == O_constant)
bfd_set_section_vma (stdoutput, vuoverlay_section, S_GET_VALUE (addr));
/* The size of the section won't be known until we see the .endmpg,
but we can compute it from the start and end labels. */
/* FIXME: This causes the section to occupy space in the file. */
@ -2341,8 +2341,9 @@ create_vuoverlay_section (section_name, addr, start_label, end_label)
emit_expr (&exp, 8);
/* The section's vma. */
exp.X_op = O_constant;
exp.X_add_number = addr;
exp.X_op = O_symbol;
exp.X_add_symbol = addr;
exp.X_add_number = 0;
emit_expr (&exp, 8);
}
@ -3152,10 +3153,10 @@ s_state (state)
the .vu is issued in. On the other hand, ".vu" isn't intended
to be supported everywhere. */
vif_data_start = expr_build_dot ();
#if 0
create_vuoverlay_section (vuoverlay_section_name (0), 0, NULL, NULL);
#else
mpgloc_sym = expr_build_uconstant (0);
#if 0 /* ??? wip */
create_vuoverlay_section (vuoverlay_section_name (NULL), mpgloc_sym,
NULL, NULL);
#endif
}