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resolve mpgloc_sym in `*' case

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This commit is contained in:
Doug Evans 1998-05-29 00:39:03 +00:00
parent 1554baf3cb
commit c371a664d5
1 changed files with 31 additions and 13 deletions
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40
gas/config/tc-dvp.c
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@ -662,27 +662,40 @@ assemble_vif (str)
/* Put a symbol at the start of data. The relaxation code uses /* Put a symbol at the start of data. The relaxation code uses
this to figure out how many bytes to insert. $.mpgloc this to figure out how many bytes to insert. $.mpgloc
calculations use it. The disassembler uses it. The overlay calculations use it. The disassembler uses it. The overlay
tracking table uses it. */ tracking table uses it.
Update $.mpgloc.
Create an overlay section. */
{ {
int mpgloc = vif_get_mpgloc (); int mpgloc = vif_get_mpgloc ();
offsetT addr = mpgloc * 8; offsetT addr;
const char * section_name = vuoverlay_section_name (addr); const char * section_name;
/* Get the value of mpgloc. */
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);
vif_data_start = create_colon_label (STO_DVP_VU, vif_data_start = create_colon_label (STO_DVP_VU,
VUOVERLAY_START_PREFIX, VUOVERLAY_START_PREFIX,
section_name); section_name);
insn_frag->fr_symbol = vif_data_start; insn_frag->fr_symbol = vif_data_start;
/* Get the value of mpgloc. If it wasn't '*'
then update $.mpgloc. */
/* FIXME: Need to handle `*' case as well. */
if (mpgloc != -1)
{
/* The value is recorded in bytes. */
create_vuoverlay_section (section_name, addr, create_vuoverlay_section (section_name, addr,
vif_data_start, vif_data_end); vif_data_start, vif_data_end);
} }
} }
}
else if (opcode->flags & VIF_OPCODE_DIRECT) else if (opcode->flags & VIF_OPCODE_DIRECT)
{ {
/* The data must be aligned on a 128 bit boundary (so the direct insn /* The data must be aligned on a 128 bit boundary (so the direct insn
@ -1523,7 +1536,10 @@ dvp_frob_label (sym)
Not sure how we can distinguish them other than by some prefix. */ Not sure how we can distinguish them other than by some prefix. */
&& *name != '.' && *name != '$' && *name != '.' && *name != '$'
/* Check for recursive invocation creating the _$name. */ /* Check for recursive invocation creating the _$name. */
&& strncmp (name, VU_LABEL_PREFIX, sizeof (VU_LABEL_PREFIX) - 1) != 0) && strncmp (name, VU_LABEL_PREFIX, sizeof (VU_LABEL_PREFIX) - 1) != 0
/* -gstabs creates FAKE_LABEL_NAME labels. There's probably a better
test than this. */
&& ! S_IS_LOCAL (sym))
{ {
/* Move this symbol to the vu overlay. */ /* Move this symbol to the vu overlay. */
symbolS * cur_mpgloc = compute_mpgloc (mpgloc_sym, vif_data_start, symbolS * cur_mpgloc = compute_mpgloc (mpgloc_sym, vif_data_start,
@ -2301,8 +2317,10 @@ create_vuoverlay_section (section_name, addr, start_label, end_label)
begin_label = create_colon_label (STO_DVP_VU, "__start_", section_name); begin_label = create_colon_label (STO_DVP_VU, "__start_", section_name);
#endif #endif
#if 0 /* already done */
/* Initialize $.mpgloc. */ /* Initialize $.mpgloc. */
mpgloc_sym = expr_build_uconstant (addr); mpgloc_sym = expr_build_uconstant (addr);
#endif
#if 0 /* $.mpgloc is kept in the ABS section. */ #if 0 /* $.mpgloc is kept in the ABS section. */
S_SET_SEGMENT (mpgloc_sym, vuoverlay_section); S_SET_SEGMENT (mpgloc_sym, vuoverlay_section);