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Diffstat (limited to 'gas/config/tc-ppc.c')
-rw-r--r--gas/config/tc-ppc.c134
1 files changed, 55 insertions, 79 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index 33f3a4c..9b3aaab 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -1951,7 +1951,7 @@ ppc_cleanup (void)
char *p;
asection *seg = now_seg;
subsegT subseg = now_subseg;
- asection *apuinfo_secp = (asection *) NULL;
+ asection *apuinfo_secp = NULL;
unsigned int i;
/* Create the .PPC.EMB.apuinfo section. */
@@ -1959,13 +1959,13 @@ ppc_cleanup (void)
bfd_set_section_flags (apuinfo_secp, SEC_HAS_CONTENTS | SEC_READONLY);
p = frag_more (4);
- md_number_to_chars (p, (valueT) 8, 4);
+ md_number_to_chars (p, 8, 4);
p = frag_more (4);
- md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4);
+ md_number_to_chars (p, ppc_apuinfo_num * 4, 4);
p = frag_more (4);
- md_number_to_chars (p, (valueT) 2, 4);
+ md_number_to_chars (p, 2, 4);
p = frag_more (8);
strcpy (p, APUINFO_LABEL);
@@ -1973,7 +1973,7 @@ ppc_cleanup (void)
for (i = 0; i < ppc_apuinfo_num; i++)
{
p = frag_more (4);
- md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
+ md_number_to_chars (p, ppc_apuinfo_list[i], 4);
}
frag_align (2, 0, 0);
@@ -2071,7 +2071,7 @@ ppc_insert_operand (uint64_t insn,
errmsg = NULL;
insn = (*operand->insert) (insn, val, cpu, &errmsg);
- if (errmsg != (const char *) NULL)
+ if (errmsg != NULL)
as_bad_where (file, line, "%s", errmsg);
}
else
@@ -2298,7 +2298,7 @@ ppc_elf_suffix (char **str_p, expressionS *exp_p)
}
*str_p = str;
- if (reloc == (int) BFD_RELOC_PPC64_TOC
+ if (reloc == BFD_RELOC_PPC64_TOC
&& exp_p->X_op == O_symbol
&& strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0)
{
@@ -2311,7 +2311,7 @@ ppc_elf_suffix (char **str_p, expressionS *exp_p)
&& (ppc_cpu & PPC_OPCODE_POWER10) == 0)
reloc = BFD_RELOC_PPC64_REL24_P9NOTOC;
- return (bfd_reloc_code_real_type) reloc;
+ return reloc;
}
return BFD_RELOC_NONE;
@@ -2470,8 +2470,7 @@ ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED)
if (S_GET_SEGMENT (symbolP) == bss_section)
symbol_get_frag (symbolP)->fr_symbol = 0;
symbol_set_frag (symbolP, frag_now);
- pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
- (char *) 0);
+ pfrag = frag_var (rs_org, 1, 1, 0, symbolP, size, NULL);
*pfrag = 0;
S_SET_SIZE (symbolP, size);
S_SET_SEGMENT (symbolP, bss_section);
@@ -2780,7 +2779,7 @@ ppc_xcoff_suffix (char **str_p)
&& (ppc_obj64 ? ptr->valid64 : ptr->valid32))
{
*str_p = str;
- return (bfd_reloc_code_real_type) ptr->reloc;
+ return ptr->reloc;
}
return BFD_RELOC_NONE;
@@ -2948,7 +2947,7 @@ ppc_frob_label (symbolS *sym)
/* Set the class of a label based on where it is defined. This handles
symbols without suffixes. Also, move the symbol so that it follows
the csect symbol. */
- if (ppc_current_csect != (symbolS *) NULL)
+ if (ppc_current_csect != NULL)
{
if (symbol_get_tc (sym)->symbol_class == -1)
symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class;
@@ -3331,8 +3330,8 @@ md_assemble (char *str)
*s++ = '\0';
/* Look up the opcode in the hash table. */
- opcode = (const struct powerpc_opcode *) str_hash_find (ppc_hash, str);
- if (opcode == (const struct powerpc_opcode *) NULL)
+ opcode = str_hash_find (ppc_hash, str);
+ if (opcode == NULL)
{
as_bad (_("unrecognized opcode: `%s'"), str);
ppc_clear_labels ();
@@ -3453,7 +3452,7 @@ md_assemble (char *str)
if (operand->insert)
{
insn = (*operand->insert) (insn, val, ppc_cpu, &errmsg);
- if (errmsg != (const char *) NULL)
+ if (errmsg != NULL)
as_bad ("%s", errmsg);
}
else if (operand->shift >= 0)
@@ -3496,7 +3495,7 @@ md_assemble (char *str)
&& (operand->flags & PPC_OPERAND_GPR_0) != 0))
as_warn (_("invalid register expression"));
insn = ppc_insert_operand (insn, operand, ex.X_add_number,
- ppc_cpu, (char *) NULL, 0);
+ ppc_cpu, NULL, 0);
}
else if (ex.X_op == O_constant
|| (ex.X_op == O_big && ex.X_add_number > 0))
@@ -3694,7 +3693,7 @@ md_assemble (char *str)
else
insn = ppc_insert_operand (insn, operand,
ppc_obj64 ? 13 : 2,
- ppc_cpu, (char *) NULL, 0);
+ ppc_cpu, NULL, 0);
break;
/* We'll only use the 32 (or 64) bit form of these relocations
@@ -4465,8 +4464,7 @@ ppc_comm (int lcomm)
frag_align (align, 0, 0);
symbol_set_frag (def_sym, frag_now);
- pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
- def_size, (char *) NULL);
+ pfrag = frag_var (rs_org, 1, 1, 0, def_sym, def_size, NULL);
*pfrag = 0;
S_SET_SEGMENT (def_sym, section->segment);
symbol_get_tc (def_sym)->align = align;
@@ -4642,14 +4640,14 @@ ppc_change_csect (symbolS *sym, offsetT align)
frag_align (align, 0, 0);
symbol_set_frag (sym, frag_now);
- S_SET_VALUE (sym, (valueT) frag_now_fix ());
+ S_SET_VALUE (sym, frag_now_fix ());
symbol_get_tc (sym)->align = align;
symbol_get_tc (sym)->output = 1;
symbol_get_tc (sym)->within = sym;
for (list = section->csects;
- symbol_get_tc (list)->next != (symbolS *) NULL;
+ symbol_get_tc (list)->next != NULL;
list = symbol_get_tc (list)->next)
;
symbol_get_tc (list)->next = sym;
@@ -5122,7 +5120,7 @@ ppc_stabx (int ignore ATTRIBUTE_UNUSED)
exp.X_add_number = 0;
/* Fall through. */
case O_constant:
- S_SET_VALUE (sym, (valueT) exp.X_add_number);
+ S_SET_VALUE (sym, exp.X_add_number);
symbol_set_frag (sym, &zero_address_frag);
break;
@@ -5290,7 +5288,7 @@ ppc_function (int ignore ATTRIBUTE_UNUSED)
/* Ignore any [PR] suffix. */
name = ppc_canonicalize_symbol_name (name);
s = strchr (name, '[');
- if (s != (char *) NULL
+ if (s != NULL
&& strcmp (s + 1, "PR]") == 0)
*s = '\0';
@@ -5391,7 +5389,6 @@ ppc_bf (int ignore ATTRIBUTE_UNUSED)
saved_bi_sym = 0;
}
-
symbol_get_tc (sym)->output = 1;
ppc_frob_label (sym);
@@ -5461,13 +5458,13 @@ ppc_biei (int ei)
saved_bi_sym = sym;
for (look = last_biei ? last_biei : symbol_rootP;
- (look != (symbolS *) NULL
+ (look != NULL
&& (S_GET_STORAGE_CLASS (look) == C_FILE
|| S_GET_STORAGE_CLASS (look) == C_BINCL
|| S_GET_STORAGE_CLASS (look) == C_EINCL));
look = symbol_next (look))
;
- if (look != (symbolS *) NULL)
+ if (look != NULL)
{
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
@@ -5633,7 +5630,7 @@ ppc_ec (int ignore ATTRIBUTE_UNUSED)
static void
ppc_toc (int ignore ATTRIBUTE_UNUSED)
{
- if (ppc_toc_csect != (symbolS *) NULL)
+ if (ppc_toc_csect != NULL)
subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
else
{
@@ -5650,7 +5647,7 @@ ppc_toc (int ignore ATTRIBUTE_UNUSED)
sym = symbol_find_or_make ("TOC[TC0]");
symbol_set_frag (sym, frag_now);
S_SET_SEGMENT (sym, data_section);
- S_SET_VALUE (sym, (valueT) frag_now_fix ());
+ S_SET_VALUE (sym, frag_now_fix ());
symbol_get_tc (sym)->subseg = subseg;
symbol_get_tc (sym)->output = 1;
symbol_get_tc (sym)->within = sym;
@@ -5658,7 +5655,7 @@ ppc_toc (int ignore ATTRIBUTE_UNUSED)
ppc_toc_csect = sym;
for (list = ppc_xcoff_data_section.csects;
- symbol_get_tc (list)->next != (symbolS *) NULL;
+ symbol_get_tc (list)->next != NULL;
list = symbol_get_tc (list)->next)
;
symbol_get_tc (list)->next = sym;
@@ -5766,7 +5763,7 @@ ppc_tc (int ignore ATTRIBUTE_UNUSED)
char endc;
symbolS *sym;
- if (ppc_toc_csect == (symbolS *) NULL
+ if (ppc_toc_csect == NULL
|| ppc_toc_csect != ppc_current_csect)
{
as_bad (_(".tc not in .toc section"));
@@ -5804,7 +5801,7 @@ ppc_tc (int ignore ATTRIBUTE_UNUSED)
S_SET_SEGMENT (sym, now_seg);
symbol_set_frag (sym, frag_now);
- S_SET_VALUE (sym, (valueT) frag_now_fix ());
+ S_SET_VALUE (sym, frag_now_fix ());
/* AIX assembler seems to allow any storage class to be set in .tc.
But for now, only XMC_TC and XMC_TE are supported by us. */
@@ -6010,7 +6007,7 @@ ppc_symbol_new_hook (symbolS *sym)
return;
s = strchr (S_GET_NAME (sym), '[');
- if (s == (const char *) NULL)
+ if (s == NULL)
{
/* There is no suffix. */
return;
@@ -6111,7 +6108,7 @@ ppc_frob_symbol (symbolS *sym)
if (sym == abs_section_sym)
return 1;
- if (symbol_get_tc (sym)->real_name != (char *) NULL)
+ if (symbol_get_tc (sym)->real_name != NULL)
S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
else
{
@@ -6120,7 +6117,7 @@ ppc_frob_symbol (symbolS *sym)
name = S_GET_NAME (sym);
s = strchr (name, '[');
- if (s != (char *) NULL)
+ if (s != NULL)
{
unsigned int len;
char *snew;
@@ -6132,7 +6129,7 @@ ppc_frob_symbol (symbolS *sym)
}
}
- if (set_end != (symbolS *) NULL)
+ if (set_end != NULL)
{
SA_SET_SYM_ENDNDX (set_end, sym);
set_end = NULL;
@@ -6140,15 +6137,11 @@ ppc_frob_symbol (symbolS *sym)
if (SF_GET_FUNCTION (sym))
{
- /* Make sure coff_last_function is reset. Otherwise, we won't create
- the auxent for the next function. */
- coff_last_function = 0;
ppc_last_function = sym;
- if (symbol_get_tc (sym)->u.size != (symbolS *) NULL)
+ if (symbol_get_tc (sym)->u.size != NULL)
{
resolve_symbol_value (symbol_get_tc (sym)->u.size);
- SA_SET_SYM_FSIZE (sym,
- (long) S_GET_VALUE (symbol_get_tc (sym)->u.size));
+ SA_SET_SYM_FSIZE (sym, S_GET_VALUE (symbol_get_tc (sym)->u.size));
}
else
{
@@ -6164,16 +6157,12 @@ ppc_frob_symbol (symbolS *sym)
else if (S_GET_STORAGE_CLASS (sym) == C_FCN
&& strcmp (S_GET_NAME (sym), ".ef") == 0)
{
- if (ppc_last_function == (symbolS *) NULL)
+ if (ppc_last_function == NULL)
as_bad (_(".ef with no preceding .function"));
else
{
set_end = ppc_last_function;
ppc_last_function = NULL;
-
- /* We don't have a C_EFCN symbol, but we need to force the
- COFF backend to believe that it has seen one. */
- coff_last_function = NULL;
}
}
@@ -6211,7 +6200,7 @@ ppc_frob_symbol (symbolS *sym)
{
/* This is a csect symbol. x_scnlen is the size of the
csect. */
- if (symbol_get_tc (sym)->next == (symbolS *) NULL)
+ if (symbol_get_tc (sym)->next == NULL)
a->u.auxent.x_csect.x_scnlen.u64
= bfd_section_size (S_GET_SEGMENT (sym)) - S_GET_VALUE (sym);
else
@@ -6266,10 +6255,10 @@ ppc_frob_symbol (symbolS *sym)
next = symbol_next (sym);
while (symbol_get_tc (next)->symbol_class == XMC_TC0)
next = symbol_next (next);
- if (next == (symbolS *) NULL
+ if (next == NULL
|| (!ppc_is_toc_sym (next)))
{
- if (ppc_after_toc_frag == (fragS *) NULL)
+ if (ppc_after_toc_frag == NULL)
a->u.auxent.x_csect.x_scnlen.u64
= bfd_section_size (data_section) - S_GET_VALUE (sym);
else
@@ -6302,14 +6291,14 @@ ppc_frob_symbol (symbolS *sym)
/* Skip the initial dummy symbol. */
csect = symbol_get_tc (csect)->next;
- if (csect == (symbolS *) NULL)
+ if (csect == NULL)
{
as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
a->u.auxent.x_csect.x_scnlen.u64 = 0;
}
else
{
- while (symbol_get_tc (csect)->next != (symbolS *) NULL)
+ while (symbol_get_tc (csect)->next != NULL)
{
resolve_symbol_value (symbol_get_tc (csect)->next);
if (S_GET_VALUE (symbol_get_tc (csect)->next)
@@ -6345,7 +6334,7 @@ ppc_frob_symbol (symbolS *sym)
asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within);
combined_entry_type *c = coffsymbol (bsym)->native;
- S_SET_VALUE (sym, (valueT) (size_t) c);
+ S_SET_VALUE (sym, (uintptr_t) c);
coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
}
else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
@@ -6504,7 +6493,7 @@ md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr)
#else
int align = bfd_section_alignment (seg);
- return ((addr + (1 << align) - 1) & -(1 << align));
+ return (addr + ((valueT) 1 << align) - 1) & -((valueT) 1 << align);
#endif
}
@@ -6607,17 +6596,17 @@ ppc_fix_adjustable (fixS *fix)
if (bfd_section_flags (symseg) & SEC_DEBUGGING)
return 1;
- if (ppc_toc_csect != (symbolS *) NULL
+ if (ppc_toc_csect != NULL
&& fix->fx_addsy != ppc_toc_csect
&& symseg == data_section
&& val >= ppc_toc_frag->fr_address
- && (ppc_after_toc_frag == (fragS *) NULL
+ && (ppc_after_toc_frag == NULL
|| val < ppc_after_toc_frag->fr_address))
{
symbolS *sy;
for (sy = symbol_next (ppc_toc_csect);
- sy != (symbolS *) NULL;
+ sy != NULL;
sy = symbol_next (sy))
{
TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy);
@@ -6894,6 +6883,9 @@ ppc_handle_align (segT sec, struct frag *fragP)
{
valueT count = (fragP->fr_next->fr_address
- (fragP->fr_address + fragP->fr_fix));
+ if (count == 0)
+ return;
+
char *dest = fragP->fr_literal + fragP->fr_fix;
enum ppc_nop_encoding_for_rs_align_code nop_select = *dest & 0xff;
@@ -6901,8 +6893,7 @@ ppc_handle_align (segT sec, struct frag *fragP)
We could pad with zeros up to an instruction boundary then follow
with nops but odd counts indicate data in an executable section
so padding with zeros is most appropriate. */
- if (count == 0
- || (nop_select == PPC_NOP_VLE ? (count & 1) != 0 : (count & 3) != 0))
+ if (nop_select == PPC_NOP_VLE ? (count & 1) != 0 : (count & 3) != 0)
{
*dest = 0;
return;
@@ -6920,28 +6911,13 @@ ppc_handle_align (segT sec, struct frag *fragP)
if (count > 4 * nop_limit && count < 0x2000000)
{
- struct frag *rest;
-
- /* Make a branch, then follow with nops. Insert another
- frag to handle the nops. */
+ /* Make a branch, then follow with nops. */
md_number_to_chars (dest, 0x48000000 + count, 4);
+ dest += 4;
+ fragP->fr_fix += 4;
count -= 4;
if (count == 0)
return;
-
- segment_info_type *seginfo = seg_info (sec);
- struct obstack *ob = &seginfo->frchainP->frch_obstack;
- rest = frag_alloc (ob, 4);
- memcpy (rest, fragP, SIZEOF_STRUCT_FRAG);
- fragP->fr_next = rest;
- fragP = rest;
- rest->fr_address += rest->fr_fix + 4;
- rest->fr_fix = 0;
- /* If we leave the next frag as rs_align_code we'll come here
- again, resulting in a bunch of branches rather than a
- branch followed by nops. */
- rest->fr_type = rs_align;
- dest = rest->fr_literal;
}
md_number_to_chars (dest, 0x60000000, 4);
@@ -6984,7 +6960,7 @@ ppc_handle_align (segT sec, struct frag *fragP)
void
md_apply_fix (fixS *fixP, valueT *valP, segT seg)
{
- valueT value = * valP;
+ valueT value = *valP;
offsetT fieldval;
const struct powerpc_operand *operand;
@@ -7011,7 +6987,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg)
use *valP, and must use fx_offset instead. If the relocation
is PC-relative, we then need to re-apply md_pcrel_from_section
to this new relocation value. */
- if (fixP->fx_addsy == (symbolS *) NULL)
+ if (fixP->fx_addsy == NULL)
fixP->fx_done = 1;
else
@@ -7785,7 +7761,7 @@ tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
reloc->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_PPC_NEG);
reloc->addend = fixp->fx_addnumber;
- if (reloc->howto == (reloc_howto_type *) NULL)
+ if (reloc->howto == NULL)
{
as_bad_subtract (fixp);
relocs[0] = NULL;
generated by cgit v1.1 at 2025-07-09 06:27:25 +0000