/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
-/* '+' and '-' can be used as postfix predicate predictors for conditional
+/* '+' and '-' can be used as postfix predicate predictors for conditional
branches. So they need to be accepted as symbol characters. */
const char ppc_symbol_chars[] = "+-";
}
}
-/* Figure out the BFD architecture to use. */
+/* Figure out the BFD architecture to use. This function and ppc_mach
+ are called well before md_begin, when the output file is opened. */
enum bfd_architecture
ppc_arch ()
test = val;
if (test < (offsetT) min || test > (offsetT) max)
- {
- const char *err =
- _("operand out of range (%s not between %ld and %ld)");
- char buf[100];
-
- sprint_value (buf, test);
- as_bad_where (file, line, err, buf, min, max);
- }
+ as_bad_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line);
}
if (operand->insert)
{
struct map_bfd {
char *string;
- int length;
- int reloc;
+ unsigned int length : 8;
+ unsigned int valid32 : 1;
+ unsigned int valid64 : 1;
+ unsigned int reloc;
};
char ident[20];
int len;
const struct map_bfd *ptr;
-#define MAP(str,reloc) { str, sizeof (str)-1, reloc }
+#define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc }
+#define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc }
+#define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc }
static const struct map_bfd mapping[] = {
- MAP ("l", (int) BFD_RELOC_LO16),
- MAP ("h", (int) BFD_RELOC_HI16),
- MAP ("ha", (int) BFD_RELOC_HI16_S),
- MAP ("brtaken", (int) BFD_RELOC_PPC_B16_BRTAKEN),
- MAP ("brntaken", (int) BFD_RELOC_PPC_B16_BRNTAKEN),
- MAP ("got", (int) BFD_RELOC_16_GOTOFF),
- MAP ("got@l", (int) BFD_RELOC_LO16_GOTOFF),
- MAP ("got@h", (int) BFD_RELOC_HI16_GOTOFF),
- MAP ("got@ha", (int) BFD_RELOC_HI16_S_GOTOFF),
- MAP ("fixup", (int) BFD_RELOC_CTOR),
- MAP ("plt", (int) BFD_RELOC_24_PLT_PCREL),
- MAP ("pltrel24", (int) BFD_RELOC_24_PLT_PCREL),
- MAP ("copy", (int) BFD_RELOC_PPC_COPY),
- MAP ("globdat", (int) BFD_RELOC_PPC_GLOB_DAT),
- MAP ("local24pc", (int) BFD_RELOC_PPC_LOCAL24PC),
- MAP ("local", (int) BFD_RELOC_PPC_LOCAL24PC),
- MAP ("pltrel", (int) BFD_RELOC_32_PLT_PCREL),
- MAP ("plt@l", (int) BFD_RELOC_LO16_PLTOFF),
- MAP ("plt@h", (int) BFD_RELOC_HI16_PLTOFF),
- MAP ("plt@ha", (int) BFD_RELOC_HI16_S_PLTOFF),
- MAP ("sdarel", (int) BFD_RELOC_GPREL16),
- MAP ("sectoff", (int) BFD_RELOC_16_BASEREL),
- MAP ("sectoff@l", (int) BFD_RELOC_LO16_BASEREL),
- MAP ("sectoff@h", (int) BFD_RELOC_HI16_BASEREL),
- MAP ("sectoff@ha", (int) BFD_RELOC_HI16_S_BASEREL),
- MAP ("naddr", (int) BFD_RELOC_PPC_EMB_NADDR32),
- MAP ("naddr16", (int) BFD_RELOC_PPC_EMB_NADDR16),
- MAP ("naddr@l", (int) BFD_RELOC_PPC_EMB_NADDR16_LO),
- MAP ("naddr@h", (int) BFD_RELOC_PPC_EMB_NADDR16_HI),
- MAP ("naddr@ha", (int) BFD_RELOC_PPC_EMB_NADDR16_HA),
- MAP ("sdai16", (int) BFD_RELOC_PPC_EMB_SDAI16),
- MAP ("sda2rel", (int) BFD_RELOC_PPC_EMB_SDA2REL),
- MAP ("sda2i16", (int) BFD_RELOC_PPC_EMB_SDA2I16),
- MAP ("sda21", (int) BFD_RELOC_PPC_EMB_SDA21),
- MAP ("mrkref", (int) BFD_RELOC_PPC_EMB_MRKREF),
- MAP ("relsect", (int) BFD_RELOC_PPC_EMB_RELSEC16),
- MAP ("relsect@l", (int) BFD_RELOC_PPC_EMB_RELST_LO),
- MAP ("relsect@h", (int) BFD_RELOC_PPC_EMB_RELST_HI),
- MAP ("relsect@ha", (int) BFD_RELOC_PPC_EMB_RELST_HA),
- MAP ("bitfld", (int) BFD_RELOC_PPC_EMB_BIT_FLD),
- MAP ("relsda", (int) BFD_RELOC_PPC_EMB_RELSDA),
- MAP ("xgot", (int) BFD_RELOC_PPC_TOC16),
- MAP ("tls", (int) BFD_RELOC_PPC_TLS),
- MAP ("dtpmod", (int) BFD_RELOC_PPC_DTPMOD),
- MAP ("dtprel", (int) BFD_RELOC_PPC_DTPREL),
- MAP ("dtprel@l", (int) BFD_RELOC_PPC_DTPREL16_LO),
- MAP ("dtprel@h", (int) BFD_RELOC_PPC_DTPREL16_HI),
- MAP ("dtprel@ha", (int) BFD_RELOC_PPC_DTPREL16_HA),
- MAP ("tprel", (int) BFD_RELOC_PPC_TPREL),
- MAP ("tprel@l", (int) BFD_RELOC_PPC_TPREL16_LO),
- MAP ("tprel@h", (int) BFD_RELOC_PPC_TPREL16_HI),
- MAP ("tprel@ha", (int) BFD_RELOC_PPC_TPREL16_HA),
- MAP ("got@tlsgd", (int) BFD_RELOC_PPC_GOT_TLSGD16),
- MAP ("got@tlsgd@l", (int) BFD_RELOC_PPC_GOT_TLSGD16_LO),
- MAP ("got@tlsgd@h", (int) BFD_RELOC_PPC_GOT_TLSGD16_HI),
- MAP ("got@tlsgd@ha", (int) BFD_RELOC_PPC_GOT_TLSGD16_HA),
- MAP ("got@tlsld", (int) BFD_RELOC_PPC_GOT_TLSLD16),
- MAP ("got@tlsld@l", (int) BFD_RELOC_PPC_GOT_TLSLD16_LO),
- MAP ("got@tlsld@h", (int) BFD_RELOC_PPC_GOT_TLSLD16_HI),
- MAP ("got@tlsld@ha", (int) BFD_RELOC_PPC_GOT_TLSLD16_HA),
- MAP ("got@dtprel", (int) BFD_RELOC_PPC_GOT_DTPREL16),
- MAP ("got@dtprel@l", (int) BFD_RELOC_PPC_GOT_DTPREL16_LO),
- MAP ("got@dtprel@h", (int) BFD_RELOC_PPC_GOT_DTPREL16_HI),
- MAP ("got@dtprel@ha", (int) BFD_RELOC_PPC_GOT_DTPREL16_HA),
- MAP ("got@tprel", (int) BFD_RELOC_PPC_GOT_TPREL16),
- MAP ("got@tprel@l", (int) BFD_RELOC_PPC_GOT_TPREL16_LO),
- MAP ("got@tprel@h", (int) BFD_RELOC_PPC_GOT_TPREL16_HI),
- MAP ("got@tprel@ha", (int) BFD_RELOC_PPC_GOT_TPREL16_HA),
- /* The following are only valid for ppc64. Negative values are
- used instead of a flag. */
- MAP ("higher", - (int) BFD_RELOC_PPC64_HIGHER),
- MAP ("highera", - (int) BFD_RELOC_PPC64_HIGHER_S),
- MAP ("highest", - (int) BFD_RELOC_PPC64_HIGHEST),
- MAP ("highesta", - (int) BFD_RELOC_PPC64_HIGHEST_S),
- MAP ("tocbase", - (int) BFD_RELOC_PPC64_TOC),
- MAP ("toc", - (int) BFD_RELOC_PPC_TOC16),
- MAP ("toc@l", - (int) BFD_RELOC_PPC64_TOC16_LO),
- MAP ("toc@h", - (int) BFD_RELOC_PPC64_TOC16_HI),
- MAP ("toc@ha", - (int) BFD_RELOC_PPC64_TOC16_HA),
- MAP ("dtprel@higher", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHER),
- MAP ("dtprel@highera", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHERA),
- MAP ("dtprel@highest", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHEST),
- MAP ("dtprel@highesta", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
- MAP ("tprel@higher", - (int) BFD_RELOC_PPC64_TPREL16_HIGHER),
- MAP ("tprel@highera", - (int) BFD_RELOC_PPC64_TPREL16_HIGHERA),
- MAP ("tprel@highest", - (int) BFD_RELOC_PPC64_TPREL16_HIGHEST),
- MAP ("tprel@highesta", - (int) BFD_RELOC_PPC64_TPREL16_HIGHESTA),
- { (char *) 0, 0, (int) BFD_RELOC_UNUSED }
+ MAP ("l", BFD_RELOC_LO16),
+ MAP ("h", BFD_RELOC_HI16),
+ MAP ("ha", BFD_RELOC_HI16_S),
+ MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
+ MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
+ MAP ("got", BFD_RELOC_16_GOTOFF),
+ MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
+ MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
+ MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
+ MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
+ MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
+ MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
+ MAP ("copy", BFD_RELOC_PPC_COPY),
+ MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
+ MAP ("sectoff", BFD_RELOC_16_BASEREL),
+ MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
+ MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
+ MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
+ MAP ("tls", BFD_RELOC_PPC_TLS),
+ MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD),
+ MAP ("dtprel", BFD_RELOC_PPC_DTPREL),
+ MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO),
+ MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI),
+ MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA),
+ MAP ("tprel", BFD_RELOC_PPC_TPREL),
+ MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO),
+ MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI),
+ MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA),
+ MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16),
+ MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO),
+ MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI),
+ MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA),
+ MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16),
+ MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO),
+ MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI),
+ MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA),
+ MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16),
+ MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO),
+ MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI),
+ MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA),
+ MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16),
+ MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO),
+ MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI),
+ MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA),
+ MAP32 ("fixup", BFD_RELOC_CTOR),
+ MAP32 ("plt", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL),
+ MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC),
+ MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL),
+ MAP32 ("sdarel", BFD_RELOC_GPREL16),
+ MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
+ MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
+ MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
+ MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
+ MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
+ MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
+ MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
+ MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
+ MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21),
+ MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
+ MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
+ MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
+ MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
+ MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
+ MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
+ MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
+ MAP32 ("xgot", BFD_RELOC_PPC_TOC16),
+ MAP64 ("higher", BFD_RELOC_PPC64_HIGHER),
+ MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S),
+ MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST),
+ MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S),
+ MAP64 ("tocbase", BFD_RELOC_PPC64_TOC),
+ MAP64 ("toc", BFD_RELOC_PPC_TOC16),
+ MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO),
+ MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI),
+ MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA),
+ MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER),
+ MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA),
+ MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST),
+ MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
+ MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER),
+ MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA),
+ MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST),
+ MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA),
+ { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED }
};
if (*str++ != '@')
for (ptr = &mapping[0]; ptr->length > 0; ptr++)
if (ch == ptr->string[0]
&& len == ptr->length
- && memcmp (ident, ptr->string, ptr->length) == 0)
+ && memcmp (ident, ptr->string, ptr->length) == 0
+ && (ppc_obj64 ? ptr->valid64 : ptr->valid32))
{
int reloc = ptr->reloc;
- if (reloc < 0)
- {
- if (!ppc_obj64)
- return BFD_RELOC_UNUSED;
- reloc = -reloc;
- }
-
if (!ppc_obj64)
if (exp_p->X_add_number != 0
&& (reloc == (int) BFD_RELOC_16_GOTOFF
ppc_frob_file_before_adjust ()
{
symbolS *symp;
+ asection *toc;
if (!ppc_obj64)
return;
free (dotname);
if (dotsym != NULL && (symbol_used_p (dotsym)
|| symbol_used_in_reloc_p (dotsym)))
- {
- symbol_mark_used (symp);
- }
+ symbol_mark_used (symp);
+
}
+ toc = bfd_get_section_by_name (stdoutput, ".toc");
+ if (toc != NULL
+ && bfd_section_size (stdoutput, toc) > 0x10000)
+ as_warn (_("TOC section size exceeds 64k"));
+
/* Don't emit .TOC. symbol. */
symp = symbol_find (".TOC.");
if (symp != NULL)
struct ppc_fixup fixups[MAX_INSN_FIXUPS];
int fc;
char *f;
+ int addr_mod;
int i;
#ifdef OBJ_ELF
bfd_reloc_code_real_type reloc;
/* Write out the instruction. */
f = frag_more (4);
+ addr_mod = frag_now_fix () & 3;
+ if (frag_now->has_code && frag_now->insn_addr != addr_mod)
+ as_bad (_("instruction address is not a multiple of 4"));
+ frag_now->insn_addr = addr_mod;
+ frag_now->has_code = 1;
md_number_to_chars (f, insn, 4);
#ifdef OBJ_ELF
table. */
if (! symbol_used_in_reloc_p (sym)
&& ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
- || (! S_IS_EXTERNAL (sym)
+ || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
&& ! symbol_get_tc (sym)->output
&& S_GET_STORAGE_CLASS (sym) != C_FILE)))
return 1;
}
}
- if (! S_IS_EXTERNAL (sym)
+ if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
&& (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
&& S_GET_STORAGE_CLASS (sym) != C_FILE
&& S_GET_STORAGE_CLASS (sym) != C_FCN
if (fixP->fx_pcrel)
{
/* This can occur if there is a bug in the input assembler, eg:
- ".byte <undefined_symbol> - ." */
+ ".byte <undefined_symbol> - ." */
if (fixP->fx_addsy)
as_bad (_("Unable to handle reference to symbol %s"),
S_GET_NAME (fixP->fx_addsy));
{
{ "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
{ "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
- { "cc", 68 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
+ { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
{ "spe_acc", 111 }, { "spefscr", 112 }
};
if (p == q || *q || regnum >= 32)
return -1;
if (regname[0] == 'f')
- regnum += 32;
+ regnum += 32;
else if (regname[0] == 'v')
- regnum += 77;
+ regnum += 77;
}
else if (regname[0] == 'c' && regname[1] == 'r')
{
p = regname + 2 + (regname[2] == '.');
if (p[0] < '0' || p[0] > '7' || p[1])
- return -1;
+ return -1;
regnum = p[0] - '0' + 68;
}
return regnum;
projects / deliverable / binutils-gdb.git / blobdiff