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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2003-01-24 17:14:25 +0000
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2003-01-24 17:14:25 +0000
commit1971b29d35055824ee5b6fb15d2a7fe9e5753b70 (patch)
treeb1d47ab0f7f56a158070d906ca079634e3909a46 /gas
parent69fc87f180bf506aef99809a5d3ae79ff3aee6a4 (diff)
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* config/tc-s390.c (s390_tls_suffix): New function.
(elf_suffix_type): Add suffix enums for TLS relocations. (s390_elf_suffix): Add suffix strings for TLS relocations. (s390_elf_cons): Map new lenght/elf suffix combinations for TLS to bfd relocations. (md_gather_operands): Map new instruction operand/elf suffix combinations for TLS to bfd relocations. (tc_s390_fix_adjustable): Add new TLS relocations. (tc_s390_force_relocation): Likewise. (md_apply_fix3): Likewise.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog13
-rw-r--r--gas/config/tc-s390.c248
2 files changed, 231 insertions, 30 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 0a88a52..1f05074 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,16 @@
+2003-01-24 Martin Schwidefsky <schwidefsky@de.ibm.com>
+
+ * config/tc-s390.c (s390_tls_suffix): New function.
+ (elf_suffix_type): Add suffix enums for TLS relocations.
+ (s390_elf_suffix): Add suffix strings for TLS relocations.
+ (s390_elf_cons): Map new lenght/elf suffix combinations for TLS to
+ bfd relocations.
+ (md_gather_operands): Map new instruction operand/elf suffix
+ combinations for TLS to bfd relocations.
+ (tc_s390_fix_adjustable): Add new TLS relocations.
+ (tc_s390_force_relocation): Likewise.
+ (md_apply_fix3): Likewise.
+
2003-01-24 Alan Modra <amodra@bigpond.net.au>
* as.h: Update copyright date.
diff --git a/gas/config/tc-s390.c b/gas/config/tc-s390.c
index cdf3af2..af6c70b 100644
--- a/gas/config/tc-s390.c
+++ b/gas/config/tc-s390.c
@@ -600,6 +600,67 @@ s390_insert_operand (insn, operand, val, file, line)
}
}
+struct map_tls
+ {
+ char *string;
+ int length;
+ bfd_reloc_code_real_type reloc;
+ };
+
+static bfd_reloc_code_real_type s390_tls_suffix
+ PARAMS ((char **, expressionS *));
+
+/* Parse tls marker and return the desired relocation. */
+static bfd_reloc_code_real_type
+s390_tls_suffix (str_p, exp_p)
+ char **str_p;
+ expressionS *exp_p;
+{
+ static struct map_tls mapping[] =
+ {
+ { "tls_load", 8, BFD_RELOC_390_TLS_LOAD },
+ { "tls_gdcall", 10, BFD_RELOC_390_TLS_GDCALL },
+ { "tls_ldcall", 10, BFD_RELOC_390_TLS_LDCALL },
+ { NULL, 0, BFD_RELOC_UNUSED }
+ };
+ struct map_tls *ptr;
+ char *orig_line;
+ char *str;
+ char *ident;
+ int len;
+
+ str = *str_p;
+ if (*str++ != ':')
+ return BFD_RELOC_UNUSED;
+
+ ident = str;
+ while (ISIDNUM (*str))
+ str++;
+ len = str - ident;
+ if (*str++ != ':')
+ return BFD_RELOC_UNUSED;
+
+ orig_line = input_line_pointer;
+ input_line_pointer = str;
+ expression (exp_p);
+ str = input_line_pointer;
+ if (&input_line_pointer != str_p)
+ input_line_pointer = orig_line;
+
+ if (exp_p->X_op != O_symbol)
+ return BFD_RELOC_UNUSED;
+
+ for (ptr = &mapping[0]; ptr->length > 0; ptr++)
+ if (len == ptr->length
+ && strncasecmp (ident, ptr->string, ptr->length) == 0)
+ {
+ /* Found a matching tls suffix. */
+ *str_p = str;
+ return ptr->reloc;
+ }
+ return BFD_RELOC_UNUSED;
+}
+
/* Structure used to hold suffixes. */
typedef enum
{
@@ -609,7 +670,13 @@ typedef enum
ELF_SUFFIX_GOTENT,
ELF_SUFFIX_GOTOFF,
ELF_SUFFIX_GOTPLT,
- ELF_SUFFIX_PLTOFF
+ ELF_SUFFIX_PLTOFF,
+ ELF_SUFFIX_TLS_GD,
+ ELF_SUFFIX_TLS_GOTIE,
+ ELF_SUFFIX_TLS_IE,
+ ELF_SUFFIX_TLS_LDM,
+ ELF_SUFFIX_TLS_LDO,
+ ELF_SUFFIX_TLS_LE
}
elf_suffix_type;
@@ -641,6 +708,12 @@ s390_elf_suffix (str_p, exp_p)
{ "gotoff", 6, ELF_SUFFIX_GOTOFF },
{ "gotplt", 6, ELF_SUFFIX_GOTPLT },
{ "pltoff", 6, ELF_SUFFIX_PLTOFF },
+ { "tlsgd", 5, ELF_SUFFIX_TLS_GD },
+ { "gotntpoff", 9, ELF_SUFFIX_TLS_GOTIE },
+ { "indntpoff", 9, ELF_SUFFIX_TLS_IE },
+ { "tlsldm", 6, ELF_SUFFIX_TLS_LDM },
+ { "dtpoff", 6, ELF_SUFFIX_TLS_LDO },
+ { "ntpoff", 6, ELF_SUFFIX_TLS_LE },
{ NULL, 0, ELF_SUFFIX_NONE }
};
@@ -956,38 +1029,72 @@ s390_elf_cons (nbytes)
int size;
char *where;
- if (nbytes == 2 && suffix == ELF_SUFFIX_GOT)
- reloc = BFD_RELOC_390_GOT16;
- else if (nbytes == 4 && suffix == ELF_SUFFIX_GOT)
- reloc = BFD_RELOC_32_GOT_PCREL;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_GOT)
- reloc = BFD_RELOC_390_GOT64;
- else if (nbytes == 2 && suffix == ELF_SUFFIX_GOTOFF)
- reloc = BFD_RELOC_16_GOTOFF;
- else if (nbytes == 4 && suffix == ELF_SUFFIX_GOTOFF)
- reloc = BFD_RELOC_32_GOTOFF;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_GOTOFF)
- reloc = BFD_RELOC_390_GOTOFF64;
- else if (nbytes == 2 && suffix == ELF_SUFFIX_PLTOFF)
- reloc = BFD_RELOC_390_PLTOFF16;
- else if (nbytes == 4 && suffix == ELF_SUFFIX_PLTOFF)
- reloc = BFD_RELOC_390_PLTOFF32;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_PLTOFF)
- reloc = BFD_RELOC_390_PLTOFF64;
- else if (nbytes == 4 && suffix == ELF_SUFFIX_PLT)
- reloc = BFD_RELOC_390_PLT32;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_PLT)
- reloc = BFD_RELOC_390_PLT64;
- else if (nbytes == 4 && suffix == ELF_SUFFIX_GOTPLT)
- reloc = BFD_RELOC_390_GOTPLT32;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_GOTPLT)
- reloc = BFD_RELOC_390_GOTPLT64;
+ if (nbytes == 2)
+ {
+ static bfd_reloc_code_real_type tab2[] =
+ {
+ [ELF_SUFFIX_NONE] BFD_RELOC_UNUSED ,
+ [ELF_SUFFIX_GOT] BFD_RELOC_390_GOT16,
+ [ELF_SUFFIX_PLT] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_GOTENT] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_GOTOFF] BFD_RELOC_16_GOTOFF,
+ [ELF_SUFFIX_GOTPLT] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_PLTOFF] BFD_RELOC_390_PLTOFF16,
+ [ELF_SUFFIX_TLS_GD] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_TLS_GOTIE] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_TLS_IE] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_TLS_LDM] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_TLS_LDO] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_TLS_LE] BFD_RELOC_UNUSED,
+ };
+ reloc = tab2[suffix];
+ }
+ else if (nbytes == 4)
+ {
+ static bfd_reloc_code_real_type tab4[] =
+ {
+ [ELF_SUFFIX_NONE] BFD_RELOC_UNUSED ,
+ [ELF_SUFFIX_GOT] BFD_RELOC_32_GOT_PCREL,
+ [ELF_SUFFIX_PLT] BFD_RELOC_390_PLT32,
+ [ELF_SUFFIX_GOTENT] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_GOTOFF] BFD_RELOC_32_GOTOFF,
+ [ELF_SUFFIX_GOTPLT] BFD_RELOC_390_GOTPLT32,
+ [ELF_SUFFIX_PLTOFF] BFD_RELOC_390_PLTOFF32,
+ [ELF_SUFFIX_TLS_GD] BFD_RELOC_390_TLS_GD32,
+ [ELF_SUFFIX_TLS_GOTIE] BFD_RELOC_390_TLS_GOTIE32,
+ [ELF_SUFFIX_TLS_IE] BFD_RELOC_390_TLS_IE32,
+ [ELF_SUFFIX_TLS_LDM] BFD_RELOC_390_TLS_LDM32,
+ [ELF_SUFFIX_TLS_LDO] BFD_RELOC_390_TLS_LDO32,
+ [ELF_SUFFIX_TLS_LE] BFD_RELOC_390_TLS_LE32,
+ };
+ reloc = tab4[suffix];
+ }
+ else if (nbytes == 8)
+ {
+ static bfd_reloc_code_real_type tab8[] =
+ {
+ [ELF_SUFFIX_NONE] BFD_RELOC_UNUSED ,
+ [ELF_SUFFIX_GOT] BFD_RELOC_390_GOT64,
+ [ELF_SUFFIX_PLT] BFD_RELOC_390_PLT64,
+ [ELF_SUFFIX_GOTENT] BFD_RELOC_UNUSED,
+ [ELF_SUFFIX_GOTOFF] BFD_RELOC_390_GOTOFF64,
+ [ELF_SUFFIX_GOTPLT] BFD_RELOC_390_GOTPLT64,
+ [ELF_SUFFIX_PLTOFF] BFD_RELOC_390_PLTOFF64,
+ [ELF_SUFFIX_TLS_GD] BFD_RELOC_390_TLS_GD64,
+ [ELF_SUFFIX_TLS_GOTIE] BFD_RELOC_390_TLS_GOTIE64,
+ [ELF_SUFFIX_TLS_IE] BFD_RELOC_390_TLS_IE64,
+ [ELF_SUFFIX_TLS_LDM] BFD_RELOC_390_TLS_LDM64,
+ [ELF_SUFFIX_TLS_LDO] BFD_RELOC_390_TLS_LDO64,
+ [ELF_SUFFIX_TLS_LE] BFD_RELOC_390_TLS_LE64,
+ };
+ reloc = tab8[suffix];
+ }
else
reloc = BFD_RELOC_UNUSED;
- if (reloc != BFD_RELOC_UNUSED)
+ if (reloc != BFD_RELOC_UNUSED
+ && (reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc)))
{
- reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
size = bfd_get_reloc_size (reloc_howto);
if (size > nbytes)
as_bad (_("%s relocations do not fit in %d bytes"),
@@ -1035,6 +1142,7 @@ md_gather_operands (str, insn, opcode)
struct s390_fixup fixups[MAX_INSN_FIXUPS];
const struct s390_operand *operand;
const unsigned char *opindex_ptr;
+ expressionS ex;
elf_suffix_type suffix;
bfd_reloc_code_real_type reloc;
int skip_optional;
@@ -1052,7 +1160,6 @@ md_gather_operands (str, insn, opcode)
fc = 0;
for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
{
- expressionS ex;
char *hold;
operand = s390_operands + *opindex_ptr;
@@ -1167,6 +1274,18 @@ md_gather_operands (str, insn, opcode)
&& (operand->bits == 32))
reloc = BFD_RELOC_390_GOTPLTENT;
}
+ else if (suffix == ELF_SUFFIX_TLS_GOTIE)
+ {
+ if ((operand->flags & S390_OPERAND_DISP)
+ && (operand->bits == 12))
+ reloc = BFD_RELOC_390_TLS_GOTIE12;
+ }
+ else if (suffix == ELF_SUFFIX_TLS_IE)
+ {
+ if ((operand->flags & S390_OPERAND_PCREL)
+ && (operand->bits == 32))
+ reloc = BFD_RELOC_390_TLS_IEENT;
+ }
if (suffix != ELF_SUFFIX_NONE && reloc == BFD_RELOC_UNUSED)
as_bad (_("invalid operand suffix"));
@@ -1262,6 +1381,20 @@ md_gather_operands (str, insn, opcode)
while (ISSPACE (*str))
++str;
+ /* Check for tls instruction marker. */
+ reloc = s390_tls_suffix (&str, &ex);
+ if (reloc != BFD_RELOC_UNUSED)
+ {
+ /* We need to generate a fixup of type 'reloc' for this
+ instruction. */
+ if (fc >= MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
+ fixups[fc].exp = ex;
+ fixups[fc].opindex = -1;
+ fixups[fc].reloc = reloc;
+ ++fc;
+ }
+
if (*str != '\0')
{
char *linefeed;
@@ -1286,6 +1419,15 @@ md_gather_operands (str, insn, opcode)
md_apply_fix3. */
for (i = 0; i < fc; i++)
{
+
+ if (fixups[i].opindex < 0)
+ {
+ /* Create tls instruction marker relocation. */
+ fix_new_exp (frag_now, f - frag_now->fr_literal, opcode->oplen,
+ &fixups[i].exp, 0, fixups[i].reloc);
+ continue;
+ }
+
operand = s390_operands + fixups[i].opindex;
if (fixups[i].reloc != BFD_RELOC_UNUSED)
@@ -1699,6 +1841,26 @@ tc_s390_fix_adjustable (fixP)
|| fixP->fx_r_type == BFD_RELOC_390_GOTPLT32
|| fixP->fx_r_type == BFD_RELOC_390_GOTPLT64
|| fixP->fx_r_type == BFD_RELOC_390_GOTPLTENT
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LOAD
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GDCALL
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LDCALL
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GD32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GD64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE12
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_GOTIE64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LDM32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LDM64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_IE32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_IE64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_IEENT
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LE32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LE64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LDO32
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_LDO64
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_DTPMOD
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_DTPOFF
+ || fixP->fx_r_type == BFD_RELOC_390_TLS_TPOFF
|| fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
@@ -1973,6 +2135,32 @@ md_apply_fix3 (fixP, valP, seg)
fixP->fx_done = 0;
return;
+ case BFD_RELOC_390_TLS_LOAD:
+ case BFD_RELOC_390_TLS_GDCALL:
+ case BFD_RELOC_390_TLS_LDCALL:
+ case BFD_RELOC_390_TLS_GD32:
+ case BFD_RELOC_390_TLS_GD64:
+ case BFD_RELOC_390_TLS_GOTIE12:
+ case BFD_RELOC_390_TLS_GOTIE32:
+ case BFD_RELOC_390_TLS_GOTIE64:
+ case BFD_RELOC_390_TLS_LDM32:
+ case BFD_RELOC_390_TLS_LDM64:
+ case BFD_RELOC_390_TLS_IE32:
+ case BFD_RELOC_390_TLS_IE64:
+ case BFD_RELOC_390_TLS_LE32:
+ case BFD_RELOC_390_TLS_LE64:
+ case BFD_RELOC_390_TLS_LDO32:
+ case BFD_RELOC_390_TLS_LDO64:
+ case BFD_RELOC_390_TLS_DTPMOD:
+ case BFD_RELOC_390_TLS_DTPOFF:
+ case BFD_RELOC_390_TLS_TPOFF:
+ /* Fully resolved at link time. */
+ break;
+ case BFD_RELOC_390_TLS_IEENT:
+ /* Fully resolved at link time. */
+ value += 2;
+ break;
+
default:
{
const char *reloc_name = bfd_get_reloc_code_name (fixP->fx_r_type);