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-rw-r--r--contrib/binutils/gas/config/tc-s390.c579
1 files changed, 456 insertions, 123 deletions
diff --git a/contrib/binutils/gas/config/tc-s390.c b/contrib/binutils/gas/config/tc-s390.c
index bce0604..4fafbec 100644
--- a/contrib/binutils/gas/config/tc-s390.c
+++ b/contrib/binutils/gas/config/tc-s390.c
@@ -1,5 +1,5 @@
/* tc-s390.c -- Assemble for the S390
- Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of GAS, the GNU Assembler.
@@ -24,6 +24,8 @@
#include "safe-ctype.h"
#include "subsegs.h"
#include "struc-symbol.h"
+#include "dwarf2dbg.h"
+#include "dw2gencfi.h"
#include "opcode/s390.h"
#include "elf/s390.h"
@@ -34,21 +36,20 @@
#endif
static char *default_arch = DEFAULT_ARCH;
/* Either 32 or 64, selects file format. */
-static int s390_arch_size;
-/* Current architecture. Start with the smallest instruction set. */
-static enum s390_opcode_arch_val current_architecture = S390_OPCODE_ESA;
-static int current_arch_mask = 1 << S390_OPCODE_ESA;
-static int current_arch_requested = 0;
+static int s390_arch_size = 0;
-/* Whether to use user friendly register names. Default is true. */
+static unsigned int current_mode_mask = 0;
+static unsigned int current_cpu = -1U;
+
+/* Whether to use user friendly register names. Default is TRUE. */
#ifndef TARGET_REG_NAMES_P
-#define TARGET_REG_NAMES_P true
+#define TARGET_REG_NAMES_P TRUE
#endif
-static boolean reg_names_p = TARGET_REG_NAMES_P;
+static bfd_boolean reg_names_p = TARGET_REG_NAMES_P;
/* Set to TRUE if we want to warn about zero base/index registers. */
-static boolean warn_areg_zero = FALSE;
+static bfd_boolean warn_areg_zero = FALSE;
/* Generic assembler global variables which must be defined by all
targets. */
@@ -70,6 +71,9 @@ const char EXP_CHARS[] = "eE";
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
+/* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
+int s390_cie_data_alignment;
+
/* The target specific pseudo-ops which we support. */
/* Define the prototypes for the pseudo-ops */
@@ -203,7 +207,7 @@ static const struct pd_reg pre_defined_registers[] =
static int reg_name_search
PARAMS ((const struct pd_reg *, int, const char *));
-static boolean register_name PARAMS ((expressionS *));
+static bfd_boolean register_name PARAMS ((expressionS *));
static void init_default_arch PARAMS ((void));
static void s390_insert_operand
PARAMS ((unsigned char *, const struct s390_operand *, offsetT, char *,
@@ -255,7 +259,7 @@ reg_name_search (regs, regcount, name)
* original state.
*/
-static boolean
+static bfd_boolean
register_name (expressionP)
expressionS *expressionP;
{
@@ -269,7 +273,7 @@ register_name (expressionP)
if (name[0] == '%' && ISALPHA (name[1]))
name = ++input_line_pointer;
else
- return false;
+ return FALSE;
c = get_symbol_end ();
reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
@@ -286,12 +290,12 @@ register_name (expressionP)
/* Make the rest nice. */
expressionP->X_add_symbol = NULL;
expressionP->X_op_symbol = NULL;
- return true;
+ return TRUE;
}
/* Reset the line as if we had not done anything. */
input_line_pointer = start;
- return false;
+ return FALSE;
}
/* Local variables. */
@@ -319,26 +323,37 @@ struct option md_longopts[] = {
size_t md_longopts_size = sizeof (md_longopts);
/* Initialize the default opcode arch and word size from the default
- architecture name. */
+ architecture name if not specified by an option. */
static void
init_default_arch ()
{
- if (current_arch_requested)
- return;
-
if (strcmp (default_arch, "s390") == 0)
{
- s390_arch_size = 32;
- current_architecture = S390_OPCODE_ESA;
+ if (s390_arch_size == 0)
+ s390_arch_size = 32;
}
else if (strcmp (default_arch, "s390x") == 0)
{
- s390_arch_size = 64;
- current_architecture = S390_OPCODE_ESAME;
+ if (s390_arch_size == 0)
+ s390_arch_size = 64;
}
else
as_fatal ("Invalid default architecture, broken assembler.");
- current_arch_mask = 1 << current_architecture;
+
+ if (current_mode_mask == 0)
+ {
+ if (s390_arch_size == 32)
+ current_mode_mask = 1 << S390_OPCODE_ESA;
+ else
+ current_mode_mask = 1 << S390_OPCODE_ZARCH;
+ }
+ if (current_cpu == -1U)
+ {
+ if (current_mode_mask == (1 << S390_OPCODE_ESA))
+ current_cpu = S390_OPCODE_G5;
+ else
+ current_cpu = S390_OPCODE_Z900;
+ }
}
/* Called by TARGET_FORMAT. */
@@ -347,8 +362,7 @@ s390_target_format ()
{
/* We don't get a chance to initialize anything before we're called,
so handle that now. */
- if (! s390_arch_size)
- init_default_arch ();
+ init_default_arch ();
return s390_arch_size == 64 ? "elf64-s390" : "elf32-s390";
}
@@ -365,20 +379,43 @@ md_parse_option (c, arg)
break;
case 'm':
if (arg != NULL && strcmp (arg, "regnames") == 0)
- reg_names_p = true;
+ reg_names_p = TRUE;
else if (arg != NULL && strcmp (arg, "no-regnames") == 0)
- reg_names_p = false;
+ reg_names_p = FALSE;
else if (arg != NULL && strcmp (arg, "warn-areg-zero") == 0)
warn_areg_zero = TRUE;
else if (arg != NULL && strcmp (arg, "31") == 0)
- s390_arch_size = 31;
+ s390_arch_size = 32;
else if (arg != NULL && strcmp (arg, "64") == 0)
s390_arch_size = 64;
+ else if (arg != NULL && strcmp (arg, "esa") == 0)
+ current_mode_mask = 1 << S390_OPCODE_ESA;
+
+ else if (arg != NULL && strcmp (arg, "zarch") == 0)
+ current_mode_mask = 1 << S390_OPCODE_ZARCH;
+
+ else if (arg != NULL && strncmp (arg, "arch=", 5) == 0)
+ {
+ if (strcmp (arg + 5, "g5") == 0)
+ current_cpu = S390_OPCODE_G5;
+ else if (strcmp (arg + 5, "g6") == 0)
+ current_cpu = S390_OPCODE_G6;
+ else if (strcmp (arg + 5, "z900") == 0)
+ current_cpu = S390_OPCODE_Z900;
+ else if (strcmp (arg + 5, "z990") == 0)
+ current_cpu = S390_OPCODE_Z990;
+ else
+ {
+ as_bad (_("invalid switch -m%s"), arg);
+ return 0;
+ }
+ }
+
else
{
as_bad (_("invalid switch -m%s"), arg);
@@ -387,14 +424,13 @@ md_parse_option (c, arg)
break;
case 'A':
+ /* Option -A is deprecated. Still available for compatibility. */
if (arg != NULL && strcmp (arg, "esa") == 0)
- current_architecture = S390_OPCODE_ESA;
+ current_cpu = S390_OPCODE_G5;
else if (arg != NULL && strcmp (arg, "esame") == 0)
- current_architecture = S390_OPCODE_ESAME;
+ current_cpu = S390_OPCODE_Z900;
else
as_bad ("invalid architecture -A%s", arg);
- current_arch_mask = 1 << current_architecture;
- current_arch_requested = 1;
break;
/* -V: SVR4 argument to print version ID. */
@@ -439,13 +475,15 @@ md_begin ()
{
register const struct s390_opcode *op;
const struct s390_opcode *op_end;
- boolean dup_insn = false;
+ bfd_boolean dup_insn = FALSE;
const char *retval;
/* Give a warning if the combination -m64-bit and -Aesa is used. */
- if (s390_arch_size == 64 && current_arch_mask == (1 << S390_OPCODE_ESA))
+ if (s390_arch_size == 64 && current_cpu < S390_OPCODE_Z900)
as_warn ("The 64 bit file format is used without esame instructions.");
+ s390_cie_data_alignment = -s390_arch_size / 8;
+
/* Set the ELF flags if desired. */
if (s390_flags)
bfd_set_private_flags (stdoutput, s390_flags);
@@ -461,7 +499,7 @@ md_begin ()
{
as_bad (_("Internal assembler error for instruction format %s"),
op->name);
- dup_insn = true;
+ dup_insn = TRUE;
}
}
@@ -470,14 +508,18 @@ md_begin ()
op_end = s390_opcodes + s390_num_opcodes;
for (op = s390_opcodes; op < op_end; op++)
- {
- retval = hash_insert (s390_opcode_hash, op->name, (PTR) op);
- if (retval != (const char *) NULL)
- {
- as_bad (_("Internal assembler error for instruction %s"), op->name);
- dup_insn = true;
- }
- }
+ if (op->min_cpu <= current_cpu)
+ {
+ retval = hash_insert (s390_opcode_hash, op->name, (PTR) op);
+ if (retval != (const char *) NULL)
+ {
+ as_bad (_("Internal assembler error for instruction %s"),
+ op->name);
+ dup_insn = TRUE;
+ }
+ while (op < op_end - 1 && strcmp (op->name, op[1].name) == 0)
+ op++;
+ }
if (dup_insn)
abort ();
@@ -498,19 +540,6 @@ s390_md_end ()
bfd_set_arch_mach (stdoutput, bfd_arch_s390, bfd_mach_s390_31);
}
-void
-s390_align_code (fragP, count)
- fragS *fragP;
- int count;
-{
- /* We use nop pattern 0x0707. */
- if (count > 0)
- {
- memset (fragP->fr_literal + fragP->fr_fix, 0x07, count);
- fragP->fr_var = count;
- }
-}
-
/* Insert an operand value into an instruction. */
static void
@@ -555,6 +584,9 @@ s390_insert_operand (insn, operand, val, file, line)
}
/* val is ok, now restrict it to operand->bits bits. */
uval = (addressT) val & ((((addressT) 1 << (operand->bits-1)) << 1) - 1);
+ /* val is restrict, now check for special case. */
+ if (operand->bits == 20 && operand->shift == 20)
+ uval = (uval >> 12) | ((uval & 0xfff) << 8);
}
else
{
@@ -599,13 +631,83 @@ 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
{
ELF_SUFFIX_NONE = 0,
ELF_SUFFIX_GOT,
ELF_SUFFIX_PLT,
- ELF_SUFFIX_GOTENT
+ ELF_SUFFIX_GOTENT,
+ ELF_SUFFIX_GOTOFF,
+ ELF_SUFFIX_GOTPLT,
+ 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;
@@ -634,6 +736,15 @@ s390_elf_suffix (str_p, exp_p)
{ "got12", 5, ELF_SUFFIX_GOT },
{ "plt", 3, ELF_SUFFIX_PLT },
{ "gotent", 6, ELF_SUFFIX_GOTENT },
+ { "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 }
};
@@ -949,22 +1060,72 @@ 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 == 4 && suffix == ELF_SUFFIX_PLT)
- reloc = BFD_RELOC_390_PLT32;
- else if (nbytes == 8 && suffix == ELF_SUFFIX_PLT)
- reloc = BFD_RELOC_390_PLT64;
+ if (nbytes == 2)
+ {
+ static bfd_reloc_code_real_type tab2[] =
+ {
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */
+ BFD_RELOC_390_GOT16, /* ELF_SUFFIX_GOT */
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_PLT */
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */
+ BFD_RELOC_16_GOTOFF, /* ELF_SUFFIX_GOTOFF */
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTPLT */
+ BFD_RELOC_390_PLTOFF16, /* ELF_SUFFIX_PLTOFF */
+ BFD_RELOC_UNUSED, /* 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 */
+ };
+ reloc = tab2[suffix];
+ }
+ else if (nbytes == 4)
+ {
+ static bfd_reloc_code_real_type tab4[] =
+ {
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */
+ BFD_RELOC_32_GOT_PCREL, /* ELF_SUFFIX_GOT */
+ BFD_RELOC_390_PLT32, /* ELF_SUFFIX_PLT */
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */
+ BFD_RELOC_32_GOTOFF, /* ELF_SUFFIX_GOTOFF */
+ BFD_RELOC_390_GOTPLT32, /* ELF_SUFFIX_GOTPLT */
+ BFD_RELOC_390_PLTOFF32, /* ELF_SUFFIX_PLTOFF */
+ BFD_RELOC_390_TLS_GD32, /* ELF_SUFFIX_TLS_GD */
+ BFD_RELOC_390_TLS_GOTIE32, /* ELF_SUFFIX_TLS_GOTIE */
+ BFD_RELOC_390_TLS_IE32, /* ELF_SUFFIX_TLS_IE */
+ BFD_RELOC_390_TLS_LDM32, /* ELF_SUFFIX_TLS_LDM */
+ BFD_RELOC_390_TLS_LDO32, /* ELF_SUFFIX_TLS_LDO */
+ BFD_RELOC_390_TLS_LE32 /* ELF_SUFFIX_TLS_LE */
+ };
+ reloc = tab4[suffix];
+ }
+ else if (nbytes == 8)
+ {
+ static bfd_reloc_code_real_type tab8[] =
+ {
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_NONE */
+ BFD_RELOC_390_GOT64, /* ELF_SUFFIX_GOT */
+ BFD_RELOC_390_PLT64, /* ELF_SUFFIX_PLT */
+ BFD_RELOC_UNUSED, /* ELF_SUFFIX_GOTENT */
+ BFD_RELOC_390_GOTOFF64, /* ELF_SUFFIX_GOTOFF */
+ BFD_RELOC_390_GOTPLT64, /* ELF_SUFFIX_GOTPLT */
+ BFD_RELOC_390_PLTOFF64, /* ELF_SUFFIX_PLTOFF */
+ BFD_RELOC_390_TLS_GD64, /* ELF_SUFFIX_TLS_GD */
+ BFD_RELOC_390_TLS_GOTIE64, /* ELF_SUFFIX_TLS_GOTIE */
+ BFD_RELOC_390_TLS_IE64, /* ELF_SUFFIX_TLS_IE */
+ BFD_RELOC_390_TLS_LDM64, /* ELF_SUFFIX_TLS_LDM */
+ BFD_RELOC_390_TLS_LDO64, /* ELF_SUFFIX_TLS_LDO */
+ BFD_RELOC_390_TLS_LE64 /* ELF_SUFFIX_TLS_LE */
+ };
+ 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"),
@@ -972,9 +1133,9 @@ s390_elf_cons (nbytes)
where = frag_more (nbytes);
md_number_to_chars (where, 0, size);
/* To make fixup_segment do the pc relative conversion the
- pcrel parameter on the fix_new_exp call needs to be false. */
+ pcrel parameter on the fix_new_exp call needs to be FALSE. */
fix_new_exp (frag_now, where - frag_now->fr_literal,
- size, &exp, false, reloc);
+ size, &exp, FALSE, reloc);
}
else
as_bad (_("relocation not applicable"));
@@ -1012,6 +1173,7 @@ 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;
@@ -1029,7 +1191,6 @@ 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;
@@ -1079,11 +1240,11 @@ md_gather_operands (str, insn, opcode)
{
if ((operand->flags & S390_OPERAND_INDEX)
&& ex.X_add_number == 0
- && warn_areg_zero == TRUE)
+ && warn_areg_zero)
as_warn ("index register specified but zero");
if ((operand->flags & S390_OPERAND_BASE)
&& ex.X_add_number == 0
- && warn_areg_zero == TRUE)
+ && warn_areg_zero)
as_warn ("base register specified but zero");
s390_insert_operand (insn, operand, ex.X_add_number, NULL, 0);
}
@@ -1096,8 +1257,12 @@ md_gather_operands (str, insn, opcode)
if (suffix == ELF_SUFFIX_GOT)
{
- if (operand->flags & S390_OPERAND_DISP)
+ if ((operand->flags & S390_OPERAND_DISP) &&
+ (operand->bits == 12))
reloc = BFD_RELOC_390_GOT12;
+ else if ((operand->flags & S390_OPERAND_DISP) &&
+ (operand->bits == 20))
+ reloc = BFD_RELOC_390_GOT20;
else if ((operand->flags & S390_OPERAND_SIGNED)
&& (operand->bits == 16))
reloc = BFD_RELOC_390_GOT16;
@@ -1120,6 +1285,45 @@ md_gather_operands (str, insn, opcode)
&& (operand->bits == 32))
reloc = BFD_RELOC_390_GOTENT;
}
+ else if (suffix == ELF_SUFFIX_GOTOFF)
+ {
+ if ((operand->flags & S390_OPERAND_SIGNED)
+ && (operand->bits == 16))
+ reloc = BFD_RELOC_16_GOTOFF;
+ }
+ else if (suffix == ELF_SUFFIX_PLTOFF)
+ {
+ if ((operand->flags & S390_OPERAND_SIGNED)
+ && (operand->bits == 16))
+ reloc = BFD_RELOC_390_PLTOFF16;
+ }
+ else if (suffix == ELF_SUFFIX_GOTPLT)
+ {
+ if ((operand->flags & S390_OPERAND_DISP)
+ && (operand->bits == 12))
+ reloc = BFD_RELOC_390_GOTPLT12;
+ else if ((operand->flags & S390_OPERAND_SIGNED)
+ && (operand->bits == 16))
+ reloc = BFD_RELOC_390_GOTPLT16;
+ else if ((operand->flags & S390_OPERAND_PCREL)
+ && (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 ((operand->flags & S390_OPERAND_DISP)
+ && (operand->bits == 20))
+ reloc = BFD_RELOC_390_TLS_GOTIE20;
+ }
+ 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"));
@@ -1140,7 +1344,7 @@ md_gather_operands (str, insn, opcode)
/* After a displacement a block in parentheses can start. */
if (*str != '(')
{
- /* Check if parethesed block can be skipped. If the next
+ /* Check if parenthesized block can be skipped. If the next
operand is neiter an optional operand nor a base register
then we have a syntax error. */
operand = s390_operands + *(++opindex_ptr);
@@ -1151,7 +1355,7 @@ md_gather_operands (str, insn, opcode)
while (!(operand->flags & S390_OPERAND_BASE))
operand = s390_operands + *(++opindex_ptr);
- /* If there is a next operand it must be seperated by a comma. */
+ /* If there is a next operand it must be separated by a comma. */
if (opindex_ptr[1] != '\0')
{
if (*str++ != ',')
@@ -1184,7 +1388,7 @@ md_gather_operands (str, insn, opcode)
if (*str++ != ')')
as_bad (_("syntax error; missing ')' after base register"));
skip_optional = 0;
- /* If there is a next operand it must be seperated by a comma. */
+ /* If there is a next operand it must be separated by a comma. */
if (opindex_ptr[1] != '\0')
{
if (*str++ != ',')
@@ -1203,7 +1407,7 @@ md_gather_operands (str, insn, opcode)
as_bad (_("syntax error; ')' not allowed here"));
str++;
}
- /* If there is a next operand it must be seperated by a comma. */
+ /* If there is a next operand it must be separated by a comma. */
if (opindex_ptr[1] != '\0')
{
if (*str++ != ',')
@@ -1215,6 +1419,20 @@ 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;
@@ -1239,6 +1457,15 @@ 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)
@@ -1264,6 +1491,7 @@ md_gather_operands (str, insn, opcode)
because fixup_segment will signal an overflow for large 4 byte
quantities for GOT12 relocations. */
if ( fixups[i].reloc == BFD_RELOC_390_GOT12
+ || fixups[i].reloc == BFD_RELOC_390_GOT20
|| fixups[i].reloc == BFD_RELOC_390_GOT16)
fixP->fx_no_overflow = 1;
}
@@ -1299,12 +1527,11 @@ md_assemble (str)
as_bad (_("Unrecognized opcode: `%s'"), str);
return;
}
- else if (!(opcode->architecture & current_arch_mask))
+ else if (!(opcode->modes & current_mode_mask))
{
- as_bad ("Opcode %s not available in this architecture", str);
+ as_bad ("Opcode %s not available in this mode", str);
return;
}
-
memcpy (insn, opcode->opcode, sizeof (insn));
md_gather_operands (s, insn, opcode);
}
@@ -1374,9 +1601,15 @@ s390_insn (ignore)
expression (&exp);
if (exp.X_op == O_constant)
{
- if ( ((opformat->oplen == 6) && (exp.X_op > 0) && (exp.X_op < (1ULL << 48)))
- || ((opformat->oplen == 4) && (exp.X_op > 0) && (exp.X_op < (1ULL << 32)))
- || ((opformat->oplen == 2) && (exp.X_op > 0) && (exp.X_op < (1ULL << 16))))
+ if ( ( opformat->oplen == 6
+ && exp.X_add_number >= 0
+ && (addressT) exp.X_add_number < (1ULL << 48))
+ || ( opformat->oplen == 4
+ && exp.X_add_number >= 0
+ && (addressT) exp.X_add_number < (1ULL << 32))
+ || ( opformat->oplen == 2
+ && exp.X_add_number >= 0
+ && (addressT) exp.X_add_number < (1ULL << 16)))
md_number_to_chars (insn, exp.X_add_number, opformat->oplen);
else
as_bad (_("Invalid .insn format\n"));
@@ -1628,25 +1861,53 @@ int
tc_s390_fix_adjustable (fixP)
fixS *fixP;
{
- /* Prevent all adjustments to global symbols. */
- if (S_IS_EXTERN (fixP->fx_addsy))
- return 0;
- if (S_IS_WEAK (fixP->fx_addsy))
- return 0;
/* Don't adjust references to merge sections. */
if ((S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_MERGE) != 0)
return 0;
/* adjust_reloc_syms doesn't know about the GOT. */
- if ( fixP->fx_r_type == BFD_RELOC_32_GOTOFF
+ if ( fixP->fx_r_type == BFD_RELOC_16_GOTOFF
+ || fixP->fx_r_type == BFD_RELOC_32_GOTOFF
+ || fixP->fx_r_type == BFD_RELOC_390_GOTOFF64
+ || fixP->fx_r_type == BFD_RELOC_390_PLTOFF16
+ || fixP->fx_r_type == BFD_RELOC_390_PLTOFF32
+ || fixP->fx_r_type == BFD_RELOC_390_PLTOFF64
|| fixP->fx_r_type == BFD_RELOC_390_PLT16DBL
|| fixP->fx_r_type == BFD_RELOC_390_PLT32
|| fixP->fx_r_type == BFD_RELOC_390_PLT32DBL
|| fixP->fx_r_type == BFD_RELOC_390_PLT64
|| fixP->fx_r_type == BFD_RELOC_390_GOT12
+ || fixP->fx_r_type == BFD_RELOC_390_GOT20
|| fixP->fx_r_type == BFD_RELOC_390_GOT16
|| fixP->fx_r_type == BFD_RELOC_32_GOT_PCREL
|| fixP->fx_r_type == BFD_RELOC_390_GOT64
|| fixP->fx_r_type == BFD_RELOC_390_GOTENT
+ || fixP->fx_r_type == BFD_RELOC_390_GOTPLT12
+ || fixP->fx_r_type == BFD_RELOC_390_GOTPLT16
+ || fixP->fx_r_type == BFD_RELOC_390_GOTPLT20
+ || 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_GOTIE20
+ || 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;
@@ -1654,7 +1915,7 @@ tc_s390_fix_adjustable (fixP)
}
/* Return true if we must always emit a reloc for a type and false if
- there is some hope of resolving it a assembly time. */
+ there is some hope of resolving it at assembly time. */
int
tc_s390_force_relocation (fixp)
struct fix *fixp;
@@ -1664,8 +1925,13 @@ tc_s390_force_relocation (fixp)
switch (fixp->fx_r_type)
{
case BFD_RELOC_390_GOT12:
+ case BFD_RELOC_390_GOT20:
case BFD_RELOC_32_GOT_PCREL:
case BFD_RELOC_32_GOTOFF:
+ case BFD_RELOC_390_GOTOFF64:
+ case BFD_RELOC_390_PLTOFF16:
+ case BFD_RELOC_390_PLTOFF32:
+ case BFD_RELOC_390_PLTOFF64:
case BFD_RELOC_390_GOTPC:
case BFD_RELOC_390_GOT16:
case BFD_RELOC_390_GOTPCDBL:
@@ -1675,12 +1941,18 @@ tc_s390_force_relocation (fixp)
case BFD_RELOC_390_PLT16DBL:
case BFD_RELOC_390_PLT32DBL:
case BFD_RELOC_390_PLT64:
- case BFD_RELOC_VTABLE_INHERIT:
- case BFD_RELOC_VTABLE_ENTRY:
+ case BFD_RELOC_390_GOTPLT12:
+ case BFD_RELOC_390_GOTPLT16:
+ case BFD_RELOC_390_GOTPLT20:
+ case BFD_RELOC_390_GOTPLT32:
+ case BFD_RELOC_390_GOTPLT64:
+ case BFD_RELOC_390_GOTPLTENT:
return 1;
default:
- return 0;
+ break;;
}
+
+ return generic_force_reloc (fixp);
}
/* Apply a fixup to the object code. This is called for all the
@@ -1696,7 +1968,7 @@ void
md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
valueT *valP;
- segT seg;
+ segT seg ATTRIBUTE_UNUSED;
{
char *where;
valueT value = *valP;
@@ -1704,35 +1976,13 @@ md_apply_fix3 (fixP, valP, seg)
where = fixP->fx_frag->fr_literal + fixP->fx_where;
if (fixP->fx_subsy != NULL)
- {
- if ((fixP->fx_addsy != NULL
- && S_GET_SEGMENT (fixP->fx_addsy) == S_GET_SEGMENT (fixP->fx_subsy)
- && SEG_NORMAL (S_GET_SEGMENT (fixP->fx_addsy)))
- || (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section))
- value += S_GET_VALUE (fixP->fx_subsy);
- if (!S_IS_DEFINED (fixP->fx_subsy))
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("unresolved fx_subsy symbol that must be resolved"));
- value -= S_GET_VALUE (fixP->fx_subsy);
-
- if (S_GET_SEGMENT (fixP->fx_subsy) == seg && ! fixP->fx_pcrel)
- value += MD_PCREL_FROM_SECTION (fixP, seg);
- }
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ "cannot emit relocation %s against subsy symbol %s",
+ bfd_get_reloc_code_name (fixP->fx_r_type),
+ S_GET_NAME (fixP->fx_subsy));
if (fixP->fx_addsy != NULL)
{
- if ((fixP->fx_subsy != NULL
- && S_GET_SEGMENT (fixP->fx_addsy) == S_GET_SEGMENT (fixP->fx_subsy)
- && SEG_NORMAL (S_GET_SEGMENT (fixP->fx_addsy)))
- || (S_GET_SEGMENT (fixP->fx_addsy) == seg
- && fixP->fx_pcrel && TC_RELOC_RTSYM_LOC_FIXUP (fixP))
- || (!fixP->fx_pcrel
- && S_GET_SEGMENT (fixP->fx_addsy) == absolute_section)
- || (S_GET_SEGMENT (fixP->fx_addsy) != undefined_section
- && !bfd_is_com_section (S_GET_SEGMENT (fixP->fx_addsy))
- && TC_FIX_ADJUSTABLE (fixP)))
- value -= S_GET_VALUE (fixP->fx_addsy);
-
if (fixP->fx_pcrel)
value += fixP->fx_frag->fr_address + fixP->fx_where;
}
@@ -1771,6 +2021,12 @@ md_apply_fix3 (fixP, valP, seg)
fixP->fx_where += 4;
fixP->fx_r_type = BFD_RELOC_390_12;
}
+ else if (operand->bits == 20 && operand->shift == 20)
+ {
+ fixP->fx_size = 2;
+ fixP->fx_where += 2;
+ fixP->fx_r_type = BFD_RELOC_390_20;
+ }
else if (operand->bits == 8 && operand->shift == 8)
{
fixP->fx_size = 1;
@@ -1826,6 +2082,7 @@ md_apply_fix3 (fixP, valP, seg)
break;
case BFD_RELOC_390_12:
case BFD_RELOC_390_GOT12:
+ case BFD_RELOC_390_GOTPLT12:
if (fixP->fx_done)
{
unsigned short mop;
@@ -1836,6 +2093,19 @@ md_apply_fix3 (fixP, valP, seg)
}
break;
+ case BFD_RELOC_390_20:
+ case BFD_RELOC_390_GOT20:
+ case BFD_RELOC_390_GOTPLT20:
+ if (fixP->fx_done)
+ {
+ unsigned int mop;
+ mop = bfd_getb32 ((unsigned char *) where);
+ mop |= (unsigned int) ((value & 0xfff) << 8 |
+ (value & 0xff000) >> 12);
+ bfd_putb32 ((bfd_vma) mop, (unsigned char *) where);
+ }
+ break;
+
case BFD_RELOC_16:
case BFD_RELOC_GPREL16:
case BFD_RELOC_16_GOT_PCREL:
@@ -1852,6 +2122,8 @@ md_apply_fix3 (fixP, valP, seg)
md_number_to_chars (where, value, 2);
break;
case BFD_RELOC_390_GOT16:
+ case BFD_RELOC_390_PLTOFF16:
+ case BFD_RELOC_390_GOTPLT16:
if (fixP->fx_done)
md_number_to_chars (where, value, 2);
break;
@@ -1877,7 +2149,9 @@ md_apply_fix3 (fixP, valP, seg)
md_number_to_chars (where, value, 4);
break;
case BFD_RELOC_32_GOT_PCREL:
+ case BFD_RELOC_390_PLTOFF32:
case BFD_RELOC_390_PLT32:
+ case BFD_RELOC_390_GOTPLT32:
if (fixP->fx_done)
md_number_to_chars (where, value, 4);
break;
@@ -1885,6 +2159,7 @@ md_apply_fix3 (fixP, valP, seg)
case BFD_RELOC_390_PLT32DBL:
case BFD_RELOC_390_GOTPCDBL:
case BFD_RELOC_390_GOTENT:
+ case BFD_RELOC_390_GOTPLTENT:
value += 2;
if (fixP->fx_done)
md_number_to_chars (where, (offsetT) value >> 1, 4);
@@ -1895,8 +2170,15 @@ md_apply_fix3 (fixP, valP, seg)
md_number_to_chars (where, value, sizeof (int));
break;
+ case BFD_RELOC_390_GOTOFF64:
+ if (fixP->fx_done)
+ md_number_to_chars (where, value, 8);
+ break;
+
case BFD_RELOC_390_GOT64:
+ case BFD_RELOC_390_PLTOFF64:
case BFD_RELOC_390_PLT64:
+ case BFD_RELOC_390_GOTPLT64:
if (fixP->fx_done)
md_number_to_chars (where, value, 8);
break;
@@ -1921,6 +2203,33 @@ 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_GOTIE20:
+ 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);
@@ -1976,3 +2285,27 @@ tc_gen_reloc (seg, fixp)
return reloc;
}
+
+void
+s390_cfi_frame_initial_instructions ()
+{
+ cfi_add_CFA_def_cfa (15, s390_arch_size == 64 ? 160 : 96);
+}
+
+int
+tc_s390_regname_to_dw2regnum (const char *regname)
+{
+ int regnum = -1;
+
+ if (regname[0] != 'c' && regname[0] != 'a')
+ {
+ regnum = reg_name_search (pre_defined_registers, REG_NAME_CNT, regname);
+ if (regname[0] == 'f' && regnum != -1)
+ regnum += 16;
+ }
+ else if (strcmp (regname, "ap") == 0)
+ regnum = 32;
+ else if (strcmp (regname, "cc") == 0)
+ regnum = 33;
+ return regnum;
+}
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