/* tc-sparc.c -- Assemble for the SPARC
- Copyright (C) 1989-2016 Free Software Foundation, Inc.
+ Copyright (C) 1989-2017 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
#define U0x80000000 ((((unsigned long) 1 << 16) << 15))
static int sparc_ip (char *, const struct sparc_opcode **);
+static int parse_sparc_asi (char **, const sparc_asi **);
static int parse_keyword_arg (int (*) (const char *), char **, int *);
static int parse_const_expr_arg (char **, int *);
static int get_expression (char *);
architecture, issue a warning. */
static enum sparc_opcode_arch_val warn_after_architecture;
-/* Non-zero if as should generate error if an undeclared g[23] register
- has been used in -64. */
+/* Non-zero if the assembler should generate error if an undeclared
+ g[23] register has been used in -64. */
static int no_undeclared_regs;
+/* Non-zero if the assembler should generate a warning if an
+ unpredictable DCTI (delayed control transfer instruction) couple is
+ found. */
+static int dcti_couples_detect;
+
/* Non-zero if we should try to relax jumps and calls. */
static int sparc_relax;
enum sparc_arch_types {v6, v7, v8, leon, sparclet, sparclite, sparc86x, v8plus,
v8plusa, v9, v9a, v9b, v9_64};
-/* Hardware capability sets, used to keep sparc_arch_table easy to
- read. */
-#define HWS_V8 HWCAP_MUL32 | HWCAP_DIV32 | HWCAP_FSMULD
-#define HWS_V9 HWS_V8 | HWCAP_POPC
-#define HWS_VA HWS_V9 | HWCAP_VIS
-#define HWS_VB HWS_VA | HWCAP_VIS2
-#define HWS_VC HWS_VB | HWCAP_ASI_BLK_INIT
-#define HWS_VD HWS_VC | HWCAP_FMAF | HWCAP_VIS3 | HWCAP_HPC
-#define HWS_VE HWS_VD \
- | HWCAP_AES | HWCAP_DES | HWCAP_KASUMI | HWCAP_CAMELLIA \
- | HWCAP_MD5 | HWCAP_SHA1 | HWCAP_SHA256 |HWCAP_SHA512 | HWCAP_MPMUL \
- | HWCAP_MONT | HWCAP_CRC32C | HWCAP_CBCOND | HWCAP_PAUSE
-#define HWS_VV HWS_VE | HWCAP_FJFMAU | HWCAP_IMA
-#define HWS_VM HWS_VV
-
-#define HWS2_VM \
- HWCAP2_VIS3B | HWCAP2_ADP | HWCAP2_SPARC5 | HWCAP2_MWAIT \
- | HWCAP2_XMPMUL | HWCAP2_XMONT
-
static struct sparc_arch {
const char *name;
const char *opcode_arch;
int default_arch_size;
/* Allowable arg to -A? */
int user_option_p;
+ /* Extra hardware capabilities allowed. These are added to the
+ hardware capabilities associated with the opcode
+ architecture. */
int hwcap_allowed;
int hwcap2_allowed;
} sparc_arch_table[] = {
{ "v6", "v6", v6, 0, 1, 0, 0 },
{ "v7", "v7", v7, 0, 1, 0, 0 },
- { "v8", "v8", v8, 32, 1, HWS_V8, 0 },
- { "v8a", "v8", v8, 32, 1, HWS_V8, 0 },
- { "sparc", "v9", v9, 0, 1, HWCAP_V8PLUS|HWS_V9, 0 },
- { "sparcvis", "v9a", v9, 0, 1, HWS_VA, 0 },
- { "sparcvis2", "v9b", v9, 0, 1, HWS_VB, 0 },
- { "sparcfmaf", "v9b", v9, 0, 1, HWS_VB|HWCAP_FMAF, 0 },
- { "sparcima", "v9b", v9, 0, 1, HWS_VB|HWCAP_FMAF|HWCAP_IMA, 0 },
- { "sparcvis3", "v9b", v9, 0, 1, HWS_VB|HWCAP_FMAF|HWCAP_VIS3|HWCAP_HPC, 0 },
- { "sparcvis3r", "v9b", v9, 0, 1, HWS_VB|HWCAP_FMAF|HWCAP_VIS3|HWCAP_HPC|HWCAP_FJFMAU, 0 },
-
- { "sparc4", "v9b", v9, 0, 1, HWS_VV, 0 },
- { "sparc5", "v9b", v9, 0, 1, HWS_VM, HWS2_VM },
-
- { "leon", "leon", leon, 32, 1, HWS_V8, 0 },
- { "sparclet", "sparclet", sparclet, 32, 1, HWS_V8, 0 },
- { "sparclite", "sparclite", sparclite, 32, 1, HWS_V8, 0 },
- { "sparc86x", "sparclite", sparc86x, 32, 1, HWS_V8, 0 },
-
- { "v8plus", "v9", v9, 0, 1, HWCAP_V8PLUS|HWS_V9, 0 },
- { "v8plusa", "v9a", v9, 0, 1, HWCAP_V8PLUS|HWS_VA, 0 },
- { "v8plusb", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VB, 0 },
- { "v8plusc", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VC, 0 },
- { "v8plusd", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VD, 0 },
- { "v8pluse", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VE, 0 },
- { "v8plusv", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VV, 0 },
- { "v8plusm", "v9b", v9, 0, 1, HWCAP_V8PLUS|HWS_VM, 0 },
-
- { "v9", "v9", v9, 0, 1, HWS_V9, 0 },
- { "v9a", "v9a", v9, 0, 1, HWS_VA, 0 },
- { "v9b", "v9b", v9, 0, 1, HWS_VB, 0 },
- { "v9c", "v9b", v9, 0, 1, HWS_VC, 0 },
- { "v9d", "v9b", v9, 0, 1, HWS_VD, 0 },
- { "v9e", "v9b", v9, 0, 1, HWS_VE, 0 },
- { "v9v", "v9b", v9, 0, 1, HWS_VV, 0 },
- { "v9m", "v9b", v9, 0, 1, HWS_VM, HWS2_VM },
+ { "v8", "v8", v8, 32, 1, 0, 0 },
+ { "v8a", "v8", v8, 32, 1, 0, 0 },
+ { "sparc", "v9", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "sparcvis", "v9a", v9, 0, 1, 0, 0 },
+ { "sparcvis2", "v9b", v9, 0, 1, 0, 0 },
+ { "sparcfmaf", "v9b", v9, 0, 1, HWCAP_FMAF, 0 },
+ { "sparcima", "v9b", v9, 0, 1, HWCAP_FMAF|HWCAP_IMA, 0 },
+ { "sparcvis3", "v9b", v9, 0, 1, HWCAP_FMAF|HWCAP_VIS3|HWCAP_HPC, 0 },
+ { "sparcvis3r", "v9b", v9, 0, 1, HWCAP_FMAF|HWCAP_VIS3|HWCAP_HPC|HWCAP_FJFMAU, 0 },
+
+ { "sparc4", "v9v", v9, 0, 1, 0, 0 },
+ { "sparc5", "v9m", v9, 0, 1, 0, 0 },
+ { "sparc6", "m8", v9, 0, 1, 0, 0 },
+
+ { "leon", "leon", leon, 32, 1, 0, 0 },
+ { "sparclet", "sparclet", sparclet, 32, 1, 0, 0 },
+ { "sparclite", "sparclite", sparclite, 32, 1, 0, 0 },
+ { "sparc86x", "sparclite", sparc86x, 32, 1, 0, 0 },
+
+ { "v8plus", "v9", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusa", "v9a", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusb", "v9b", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusc", "v9c", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusd", "v9d", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8pluse", "v9e", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusv", "v9v", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusm", "v9m", v9, 0, 1, HWCAP_V8PLUS, 0 },
+ { "v8plusm8", "m8", v9, 0, 1, HWCAP_V8PLUS, 0 },
+
+ { "v9", "v9", v9, 0, 1, 0, 0 },
+ { "v9a", "v9a", v9, 0, 1, 0, 0 },
+ { "v9b", "v9b", v9, 0, 1, 0, 0 },
+ { "v9c", "v9c", v9, 0, 1, 0, 0 },
+ { "v9d", "v9d", v9, 0, 1, 0, 0 },
+ { "v9e", "v9e", v9, 0, 1, 0, 0 },
+ { "v9v", "v9v", v9, 0, 1, 0, 0 },
+ { "v9m", "v9m", v9, 0, 1, 0, 0 },
+ { "v9m8", "m8", v9, 0, 1, 0, 0 },
/* This exists to allow configure.tgt to pass one
value to specify both the default machine and default word size. */
- { "v9-64", "v9", v9, 64, 0, HWS_V9, 0 },
+ { "v9-64", "v9", v9, 64, 0, 0, 0 },
{ NULL, NULL, v8, 0, 0, 0, 0 }
};
{"relax", no_argument, NULL, OPTION_RELAX},
#define OPTION_NO_RELAX (OPTION_MD_BASE + 15)
{"no-relax", no_argument, NULL, OPTION_NO_RELAX},
+#define OPTION_DCTI_COUPLES_DETECT (OPTION_MD_BASE + 16)
+ {"dcti-couples-detect", no_argument, NULL, OPTION_DCTI_COUPLES_DETECT},
{NULL, no_argument, NULL, 0}
};
if (!architecture_requested
|| opcode_arch > max_architecture)
max_architecture = opcode_arch;
- hwcap_allowed
- |= (((bfd_uint64_t) sa->hwcap2_allowed) << 32) | sa->hwcap_allowed;
+
+ /* The allowed hardware capabilities are the implied by the
+ opcodes arch plus any extra capabilities defined in the GAS
+ arch. */
+ hwcap_allowed
+ = (hwcap_allowed
+ | (((bfd_uint64_t) sparc_opcode_archs[opcode_arch].hwcaps2) << 32)
+ | (((bfd_uint64_t) sa->hwcap2_allowed) << 32)
+ | sparc_opcode_archs[opcode_arch].hwcaps
+ | sa->hwcap_allowed);
architecture_requested = 1;
}
break;
sparc_relax = 0;
break;
+ case OPTION_DCTI_COUPLES_DETECT:
+ dcti_couples_detect = 1;
+ break;
+
default:
return 0;
}
appropriate .register directive (default)\n\
-no-undeclared-regs force error on application global register usage\n\
without appropriate .register directive\n\
+--dcti-couples-detect warn when an unpredictable DCTI couple is found\n\
-q ignored\n\
-Qy, -Qn ignored\n\
-s ignored\n"));
{"gl", 16},
{"pmcdper", 23},
{"ver", 31},
- {"", -1}, /* End marker. */
+ {NULL, -1}, /* End marker. */
};
struct priv_reg_entry hpriv_reg_table[] =
{"hintp", 3},
{"htba", 5},
{"hver", 6},
+ {"hmcdper", 23},
+ {"hmcddfr", 24},
+ {"hva_mask_nz", 27},
{"hstick_offset", 28},
{"hstick_enable", 29},
{"hstick_cmpr", 31},
- {"", -1}, /* End marker. */
+ {NULL, -1}, /* End marker. */
};
-/* v9a specific asrs. This table is ordered by initial
- letter, in reverse. */
+/* v9a or later specific ancillary state registers. */
struct priv_reg_entry v9a_asr_table[] =
{
{"dcr", 18},
{"cfr", 26},
{"clear_softint", 21},
- {"", -1}, /* End marker. */
+ {NULL, -1}, /* End marker. */
};
static int
const struct priv_reg_entry *p = (const struct priv_reg_entry *) parg;
const struct priv_reg_entry *q = (const struct priv_reg_entry *) qarg;
- return strcmp (q->name, p->name);
+ if (p->name == q->name)
+ return 0;
+ else if (p->name == NULL)
+ return 1;
+ else if (q->name == NULL)
+ return -1;
+ else
+ return strcmp (q->name, p->name);
+}
+\f
+/* sparc %-pseudo-operations. */
+
+
+#define F_POP_V9 0x1 /* The pseudo-op is for v9 only. */
+#define F_POP_PCREL 0x2 /* The pseudo-op can be used in pc-relative
+ contexts. */
+#define F_POP_TLS_CALL 0x4 /* The pseudo-op marks a tls call. */
+#define F_POP_POSTFIX 0x8 /* The pseudo-op should appear after the
+ last operand of an
+ instruction. (Generally they can appear
+ anywhere an immediate operand is
+ expected. */
+struct pop_entry
+{
+ /* The name as it appears in assembler. */
+ const char *name;
+ /* The reloc this pseudo-op translates to. */
+ bfd_reloc_code_real_type reloc;
+ /* Flags. See F_POP_* above. */
+ int flags;
+};
+
+struct pop_entry pop_table[] =
+{
+ { "hix", BFD_RELOC_SPARC_HIX22, F_POP_V9 },
+ { "lox", BFD_RELOC_SPARC_LOX10, F_POP_V9 },
+ { "hi", BFD_RELOC_HI22, F_POP_PCREL },
+ { "lo", BFD_RELOC_LO10, F_POP_PCREL },
+ { "pc22", BFD_RELOC_SPARC_PC22, F_POP_PCREL },
+ { "pc10", BFD_RELOC_SPARC_PC10, F_POP_PCREL },
+ { "hh", BFD_RELOC_SPARC_HH22, F_POP_V9|F_POP_PCREL },
+ { "hm", BFD_RELOC_SPARC_HM10, F_POP_V9|F_POP_PCREL },
+ { "lm", BFD_RELOC_SPARC_LM22, F_POP_V9|F_POP_PCREL },
+ { "h34", BFD_RELOC_SPARC_H34, F_POP_V9 },
+ { "l34", BFD_RELOC_SPARC_L44, F_POP_V9 },
+ { "h44", BFD_RELOC_SPARC_H44, F_POP_V9 },
+ { "m44", BFD_RELOC_SPARC_M44, F_POP_V9 },
+ { "l44", BFD_RELOC_SPARC_L44, F_POP_V9 },
+ { "uhi", BFD_RELOC_SPARC_HH22, F_POP_V9 },
+ { "ulo", BFD_RELOC_SPARC_HM10, F_POP_V9 },
+ { "tgd_hi22", BFD_RELOC_SPARC_TLS_GD_HI22, 0 },
+ { "tgd_lo10", BFD_RELOC_SPARC_TLS_GD_LO10, 0 },
+ { "tldm_hi22", BFD_RELOC_SPARC_TLS_LDM_HI22, 0 },
+ { "tldm_lo10", BFD_RELOC_SPARC_TLS_LDM_LO10, 0 },
+ { "tldo_hix22", BFD_RELOC_SPARC_TLS_LDO_HIX22, 0 },
+ { "tldo_lox10", BFD_RELOC_SPARC_TLS_LDO_LOX10, 0 },
+ { "tie_hi22", BFD_RELOC_SPARC_TLS_IE_HI22, 0 },
+ { "tie_lo10", BFD_RELOC_SPARC_TLS_IE_LO10, 0 },
+ { "tle_hix22", BFD_RELOC_SPARC_TLS_LE_HIX22, 0 },
+ { "tle_lox10", BFD_RELOC_SPARC_TLS_LE_LOX10, 0 },
+ { "gdop_hix22", BFD_RELOC_SPARC_GOTDATA_OP_HIX22, 0 },
+ { "gdop_lox10", BFD_RELOC_SPARC_GOTDATA_OP_LOX10, 0 },
+ { "tgd_add", BFD_RELOC_SPARC_TLS_GD_ADD, F_POP_POSTFIX },
+ { "tgd_call", BFD_RELOC_SPARC_TLS_GD_CALL, F_POP_POSTFIX|F_POP_TLS_CALL },
+ { "tldm_add", BFD_RELOC_SPARC_TLS_LDM_ADD, F_POP_POSTFIX },
+ { "tldm_call", BFD_RELOC_SPARC_TLS_LDM_CALL, F_POP_POSTFIX|F_POP_TLS_CALL },
+ { "tldo_add", BFD_RELOC_SPARC_TLS_LDO_ADD, F_POP_POSTFIX },
+ { "tie_ldx", BFD_RELOC_SPARC_TLS_IE_LDX, F_POP_POSTFIX },
+ { "tie_ld", BFD_RELOC_SPARC_TLS_IE_LD, F_POP_POSTFIX },
+ { "tie_add", BFD_RELOC_SPARC_TLS_IE_ADD, F_POP_POSTFIX },
+ { "gdop", BFD_RELOC_SPARC_GOTDATA_OP, F_POP_POSTFIX }
+};
+\f
+/* Table of %-names that can appear in a sparc assembly program. This
+ table is initialized in md_begin and contains entries for each
+ privileged/hyperprivileged/alternate register and %-pseudo-op. */
+
+enum perc_entry_type
+{
+ perc_entry_none = 0,
+ perc_entry_reg,
+ perc_entry_post_pop,
+ perc_entry_imm_pop
+};
+
+struct perc_entry
+{
+ /* Entry type. */
+ enum perc_entry_type type;
+ /* Name of the %-entity. */
+ const char *name;
+ /* strlen (name). */
+ int len;
+ /* Value. Either a pop or a reg depending on type.*/
+ union
+ {
+ struct pop_entry *pop;
+ struct priv_reg_entry *reg;
+ };
+};
+
+#define NUM_PERC_ENTRIES \
+ (((sizeof (priv_reg_table) / sizeof (priv_reg_table[0])) - 1) \
+ + ((sizeof (hpriv_reg_table) / sizeof (hpriv_reg_table[0])) - 1) \
+ + ((sizeof (v9a_asr_table) / sizeof (v9a_asr_table[0])) - 1) \
+ + ARRAY_SIZE (pop_table) \
+ + 1)
+
+struct perc_entry perc_table[NUM_PERC_ENTRIES];
+
+static int
+cmp_perc_entry (const void *parg, const void *qarg)
+{
+ const struct perc_entry *p = (const struct perc_entry *) parg;
+ const struct perc_entry *q = (const struct perc_entry *) qarg;
+
+ if (p->name == q->name)
+ return 0;
+ else if (p->name == NULL)
+ return 1;
+ else if (q->name == NULL)
+ return -1;
+ else
+ return strcmp (q->name, p->name);
}
\f
/* This function is called once, at assembler startup time. It should
qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]),
sizeof (priv_reg_table[0]), cmp_reg_entry);
-
+ qsort (hpriv_reg_table, sizeof (hpriv_reg_table) / sizeof (hpriv_reg_table[0]),
+ sizeof (hpriv_reg_table[0]), cmp_reg_entry);
+ qsort (v9a_asr_table, sizeof (v9a_asr_table) / sizeof (v9a_asr_table[0]),
+ sizeof (v9a_asr_table[0]), cmp_reg_entry);
+
/* If -bump, record the architecture level at which we start issuing
warnings. The behaviour is different depending upon whether an
architecture was explicitly specified. If it wasn't, we issue warnings
current_max_architecture))
break;
}
+
+ /* Prepare the tables of %-pseudo-ops. */
+ {
+ struct priv_reg_entry *reg_tables[]
+ = {priv_reg_table, hpriv_reg_table, v9a_asr_table, NULL};
+ struct priv_reg_entry **reg_table;
+ int entry = 0;
+
+ /* Add registers. */
+ for (reg_table = reg_tables; reg_table[0]; reg_table++)
+ {
+ struct priv_reg_entry *reg;
+ for (reg = *reg_table; reg->name; reg++)
+ {
+ struct perc_entry *p = &perc_table[entry++];
+ p->type = perc_entry_reg;
+ p->name = reg->name;
+ p->len = strlen (reg->name);
+ p->reg = reg;
+ }
+ }
+
+ /* Add %-pseudo-ops. */
+ for (i = 0; i < ARRAY_SIZE (pop_table); i++)
+ {
+ struct perc_entry *p = &perc_table[entry++];
+ p->type = (pop_table[i].flags & F_POP_POSTFIX
+ ? perc_entry_post_pop : perc_entry_imm_pop);
+ p->name = pop_table[i].name;
+ p->len = strlen (pop_table[i].name);
+ p->pop = &pop_table[i];
+ }
+
+ /* Last entry is the sentinel. */
+ perc_table[entry].type = perc_entry_none;
+
+ qsort (perc_table, sizeof (perc_table) / sizeof (perc_table[0]),
+ sizeof (perc_table[0]), cmp_perc_entry);
+
+ }
}
/* Called after all assembly has been done. */
{
case SPARC_OPCODE_ARCH_V9A: mach = bfd_mach_sparc_v9a; break;
case SPARC_OPCODE_ARCH_V9B: mach = bfd_mach_sparc_v9b; break;
+ case SPARC_OPCODE_ARCH_V9C: mach = bfd_mach_sparc_v9c; break;
+ case SPARC_OPCODE_ARCH_V9D: mach = bfd_mach_sparc_v9d; break;
+ case SPARC_OPCODE_ARCH_V9E: mach = bfd_mach_sparc_v9e; break;
+ case SPARC_OPCODE_ARCH_V9V: mach = bfd_mach_sparc_v9v; break;
+ case SPARC_OPCODE_ARCH_V9M: mach = bfd_mach_sparc_v9m; break;
+ case SPARC_OPCODE_ARCH_M8: mach = bfd_mach_sparc_v9m8; break;
default: mach = bfd_mach_sparc_v9; break;
}
else
case SPARC_OPCODE_ARCH_V9: mach = bfd_mach_sparc_v8plus; break;
case SPARC_OPCODE_ARCH_V9A: mach = bfd_mach_sparc_v8plusa; break;
case SPARC_OPCODE_ARCH_V9B: mach = bfd_mach_sparc_v8plusb; break;
+ case SPARC_OPCODE_ARCH_V9C: mach = bfd_mach_sparc_v8plusc; break;
+ case SPARC_OPCODE_ARCH_V9D: mach = bfd_mach_sparc_v8plusd; break;
+ case SPARC_OPCODE_ARCH_V9E: mach = bfd_mach_sparc_v8pluse; break;
+ case SPARC_OPCODE_ARCH_V9V: mach = bfd_mach_sparc_v8plusv; break;
+ case SPARC_OPCODE_ARCH_V9M: mach = bfd_mach_sparc_v8plusm; break;
+ case SPARC_OPCODE_ARCH_M8: mach = bfd_mach_sparc_v8plusm8; break;
/* The sparclite is treated like a normal sparc. Perhaps it shouldn't
be but for now it is (since that's the way it's always been
treated). */
static char *expr_end;
/* Values for `special_case'.
- Instructions that require wierd handling because they're longer than
+ Instructions that require weird handling because they're longer than
4 bytes. */
#define SPECIAL_CASE_NONE 0
#define SPECIAL_CASE_SET 1
if (insn == NULL)
return;
- /* We warn about attempts to put a floating point branch in a delay slot,
- unless the delay slot has been annulled. */
+ /* Certain instructions may not appear on delay slots. Check for
+ these situations. */
if (last_insn != NULL
- && (insn->flags & F_FBR) != 0
- && (last_insn->flags & F_DELAYED) != 0
- /* ??? This test isn't completely accurate. We assume anything with
- F_{UNBR,CONDBR,FBR} set is annullable. */
- && ((last_insn->flags & (F_UNBR | F_CONDBR | F_FBR)) == 0
- || (last_opcode & ANNUL) == 0))
- as_warn (_("FP branch in delay slot"));
+ && (last_insn->flags & F_DELAYED) != 0)
+ {
+ /* Before SPARC V9 the effect of having a delayed branch
+ instruction in the delay slot of a conditional delayed branch
+ was undefined.
+
+ In SPARC V9 DCTI couples are well defined.
+
+ However, starting with the UltraSPARC Architecture 2005, DCTI
+ couples (of all kind) are deprecated and should not be used,
+ as they may be slow or behave differently to what the
+ programmer expects. */
+ if (dcti_couples_detect
+ && (insn->flags & F_DELAYED) != 0
+ && ((max_architecture < SPARC_OPCODE_ARCH_V9
+ && (last_insn->flags & F_CONDBR) != 0)
+ || max_architecture >= SPARC_OPCODE_ARCH_V9C))
+ as_warn (_("unpredictable DCTI couple"));
+
+
+ /* We warn about attempts to put a floating point branch in a
+ delay slot, unless the delay slot has been annulled. */
+ if ((insn->flags & F_FBR) != 0
+ /* ??? This test isn't completely accurate. We assume anything with
+ F_{UNBR,CONDBR,FBR} set is annullable. */
+ && ((last_insn->flags & (F_UNBR | F_CONDBR | F_FBR)) == 0
+ || (last_opcode & ANNUL) == 0))
+ as_warn (_("FP branch in delay slot"));
+ }
/* SPARC before v9 requires a nop instruction between a floating
point instruction and a floating point branch. We insert one
return "xmont";
if (mask & HWCAP2_NSEC)
return "nsec";
+ if (mask & HWCAP2_SPARC6)
+ return "sparc6";
+ if (mask & HWCAP2_ONADDSUB)
+ return "onaddsub";
+ if (mask & HWCAP2_ONMUL)
+ return "onmul";
+ if (mask & HWCAP2_ONDIV)
+ return "ondiv";
+ if (mask & HWCAP2_DICTUNP)
+ return "dictunp";
+ if (mask & HWCAP2_FPCMPSHL)
+ return "fpcmpshl";
+ if (mask & HWCAP2_RLE)
+ return "rle";
+ if (mask & HWCAP2_SHA3)
+ return "sha3";
return "UNKNOWN";
}
int comma = 0;
int v9_arg_p;
int special_case = SPECIAL_CASE_NONE;
+ const sparc_asi *sasi = NULL;
s = str;
if (ISLOWER (*s))
/* Parse a sparc64 privileged register. */
if (*s == '%')
{
- struct priv_reg_entry *p = priv_reg_table;
+ struct priv_reg_entry *p;
unsigned int len = 9999999; /* Init to make gcc happy. */
s += 1;
- while (p->name[0] > s[0])
- p++;
- while (p->name[0] == s[0])
- {
- len = strlen (p->name);
- if (strncmp (p->name, s, len) == 0)
- break;
- p++;
- }
- if (p->name[0] != s[0])
+ for (p = priv_reg_table; p->name; p++)
+ if (p->name[0] == s[0])
+ {
+ len = strlen (p->name);
+ if (strncmp (p->name, s, len) == 0)
+ break;
+ }
+
+ if (!p->name)
{
error_message = _(": unrecognizable privileged register");
goto error;
}
- if (*args == '?')
- opcode |= (p->regnum << 14);
- else
- opcode |= (p->regnum << 25);
+
+ if (((opcode >> (*args == '?' ? 14 : 25)) & 0x1f) != (unsigned) p->regnum)
+ {
+ error_message = _(": unrecognizable privileged register");
+ goto error;
+ }
+
s += len;
continue;
}
/* Parse a sparc64 hyperprivileged register. */
if (*s == '%')
{
- struct priv_reg_entry *p = hpriv_reg_table;
+ struct priv_reg_entry *p;
unsigned int len = 9999999; /* Init to make gcc happy. */
s += 1;
- while (p->name[0] > s[0])
- p++;
- while (p->name[0] == s[0])
- {
- len = strlen (p->name);
- if (strncmp (p->name, s, len) == 0)
- break;
- p++;
- }
- if (p->name[0] != s[0])
+ for (p = hpriv_reg_table; p->name; p++)
+ if (p->name[0] == s[0])
+ {
+ len = strlen (p->name);
+ if (strncmp (p->name, s, len) == 0)
+ break;
+ }
+
+ if (!p->name)
{
error_message = _(": unrecognizable hyperprivileged register");
goto error;
}
- if (*args == '$')
- opcode |= (p->regnum << 14);
- else
- opcode |= (p->regnum << 25);
- s += len;
+
+ if (((opcode >> (*args == '$' ? 14 : 25)) & 0x1f) != (unsigned) p->regnum)
+ {
+ error_message = _(": unrecognizable hyperprivileged register");
+ goto error;
+ }
+
+ s += len;
continue;
}
else
case '_':
case '/':
- /* Parse a v9a/v9b ancillary state register. */
+ /* Parse a v9a or later ancillary state register. */
if (*s == '%')
{
- struct priv_reg_entry *p = v9a_asr_table;
+ struct priv_reg_entry *p;
unsigned int len = 9999999; /* Init to make gcc happy. */
s += 1;
- while (p->name[0] > s[0])
- p++;
- while (p->name[0] == s[0])
- {
- len = strlen (p->name);
- if (strncmp (p->name, s, len) == 0)
- break;
- p++;
- }
- if (p->name[0] != s[0])
- {
- error_message = _(": unrecognizable v9a or v9b ancillary state register");
- goto error;
- }
- if (*args == '/' && (p->regnum == 20 || p->regnum == 21))
- {
- error_message = _(": rd on write only ancillary state register");
- goto error;
- }
- if (p->regnum >= 24
- && (insn->architecture
- & SPARC_OPCODE_ARCH_MASK (SPARC_OPCODE_ARCH_V9A)))
+ for (p = v9a_asr_table; p->name; p++)
+ if (p->name[0] == s[0])
+ {
+ len = strlen (p->name);
+ if (strncmp (p->name, s, len) == 0)
+ break;
+ }
+
+ if (!p->name)
{
- /* %sys_tick and %sys_tick_cmpr are v9bnotv9a */
- error_message = _(": unrecognizable v9a ancillary state register");
+ error_message = _(": unrecognizable ancillary state register");
goto error;
}
- if (*args == '/')
- opcode |= (p->regnum << 14);
- else
- opcode |= (p->regnum << 25);
+
+ if (((opcode >> (*args == '/' ? 14 : 25)) & 0x1f) != (unsigned) p->regnum)
+ {
+ error_message = _(": unrecognizable ancillary state register");
+ goto error;
+ }
+
s += len;
continue;
}
else
{
- error_message = _(": unrecognizable v9a or v9b ancillary state register");
+ error_message = _(": unrecognizable ancillary state register");
goto error;
}
case '\0': /* End of args. */
if (s[0] == ',' && s[1] == '%')
{
- static const struct ops
- {
- /* The name as it appears in assembler. */
- const char *name;
- /* strlen (name), precomputed for speed */
- int len;
- /* The reloc this pseudo-op translates to. */
- int reloc;
- /* 1 if tls call. */
- int tls_call;
- }
- ops[] =
- {
- { "tgd_add", 7, BFD_RELOC_SPARC_TLS_GD_ADD, 0 },
- { "tgd_call", 8, BFD_RELOC_SPARC_TLS_GD_CALL, 1 },
- { "tldm_add", 8, BFD_RELOC_SPARC_TLS_LDM_ADD, 0 },
- { "tldm_call", 9, BFD_RELOC_SPARC_TLS_LDM_CALL, 1 },
- { "tldo_add", 8, BFD_RELOC_SPARC_TLS_LDO_ADD, 0 },
- { "tie_ldx", 7, BFD_RELOC_SPARC_TLS_IE_LDX, 0 },
- { "tie_ld", 6, BFD_RELOC_SPARC_TLS_IE_LD, 0 },
- { "tie_add", 7, BFD_RELOC_SPARC_TLS_IE_ADD, 0 },
- { "gdop", 4, BFD_RELOC_SPARC_GOTDATA_OP, 0 },
- { NULL, 0, 0, 0 }
- };
- const struct ops *o;
char *s1;
int npar = 0;
+ const struct perc_entry *p;
- for (o = ops; o->name; o++)
- if (strncmp (s + 2, o->name, o->len) == 0)
- break;
- if (o->name == NULL)
- break;
+ for (p = perc_table; p->type != perc_entry_none; p++)
+ if ((p->type == perc_entry_post_pop || p->type == perc_entry_reg)
+ && strncmp (s + 2, p->name, p->len) == 0)
+ break;
+ if (p->type == perc_entry_none || p->type == perc_entry_reg)
+ break;
- if (s[o->len + 2] != '(')
+ if (s[p->len + 2] != '(')
{
- as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
+ as_bad (_("Illegal operands: %%%s requires arguments in ()"), p->name);
return special_case;
}
- if (! o->tls_call && the_insn.reloc != BFD_RELOC_NONE)
+ if (! (p->pop->flags & F_POP_TLS_CALL)
+ && the_insn.reloc != BFD_RELOC_NONE)
{
as_bad (_("Illegal operands: %%%s cannot be used together with other relocs in the insn ()"),
- o->name);
+ p->name);
return special_case;
}
- if (o->tls_call
+ if ((p->pop->flags & F_POP_TLS_CALL)
&& (the_insn.reloc != BFD_RELOC_32_PCREL_S2
|| the_insn.exp.X_add_number != 0
|| the_insn.exp.X_add_symbol
!= symbol_find_or_make ("__tls_get_addr")))
{
as_bad (_("Illegal operands: %%%s can be only used with call __tls_get_addr"),
- o->name);
+ p->name);
return special_case;
}
- the_insn.reloc = o->reloc;
+ the_insn.reloc = p->pop->reloc;
memset (&the_insn.exp, 0, sizeof (the_insn.exp));
- s += o->len + 3;
+ s += p->len + 3;
for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++)
if (*s1 == '(')
if (*s1 != ')')
{
- as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
+ as_bad (_("Illegal operands: %%%s requires arguments in ()"), p->name);
return special_case;
}
case 'e': /* next operand is a floating point register */
case 'v':
case 'V':
+ case ';':
case 'f':
case 'B':
case 'R':
+ case ':':
+ case '\'':
case '4':
case '5':
case 'H':
case 'J':
case '}':
+ case '^':
{
char format;
|| *args == 'B'
|| *args == '5'
|| *args == 'H'
+ || *args == '\''
|| format == 'd')
&& (mask & 1))
{
break;
}
+ if ((*args == ':'
+ || *args == ';'
+ || *args == '^')
+ && (mask & 7))
+ {
+ /* register must be multiple of 8 */
+ break;
+ }
+
+ if (*args == '\'' && mask < 48)
+ {
+ /* register must be higher or equal than %f48 */
+ break;
+ }
+
if (mask >= 64)
{
if (SPARC_OPCODE_ARCH_V9_P (max_architecture))
case 'v':
case 'V':
case 'e':
+ case ';':
opcode |= RS1 (mask);
continue;
case 'f':
case 'B':
case 'R':
+ case ':':
opcode |= RS2 (mask);
continue;
+ case '\'':
+ opcode |= RS2 (mask & 0xe);
+ continue;
+
case '4':
case '5':
opcode |= RS3 (mask);
case 'H':
case 'J':
case '}':
+ case '^':
opcode |= RD (mask);
continue;
} /* Pack it in. */
/* Check for %hi, etc. */
if (*s == '%')
{
- static const struct ops {
- /* The name as it appears in assembler. */
- const char *name;
- /* strlen (name), precomputed for speed */
- int len;
- /* The reloc this pseudo-op translates to. */
- int reloc;
- /* Non-zero if for v9 only. */
- int v9_p;
- /* Non-zero if can be used in pc-relative contexts. */
- int pcrel_p;/*FIXME:wip*/
- } ops[] = {
- /* hix/lox must appear before hi/lo so %hix won't be
- mistaken for %hi. */
- { "hix", 3, BFD_RELOC_SPARC_HIX22, 1, 0 },
- { "lox", 3, BFD_RELOC_SPARC_LOX10, 1, 0 },
- { "hi", 2, BFD_RELOC_HI22, 0, 1 },
- { "lo", 2, BFD_RELOC_LO10, 0, 1 },
- { "pc22", 4, BFD_RELOC_SPARC_PC22, 0, 1 },
- { "pc10", 4, BFD_RELOC_SPARC_PC10, 0, 1 },
- { "hh", 2, BFD_RELOC_SPARC_HH22, 1, 1 },
- { "hm", 2, BFD_RELOC_SPARC_HM10, 1, 1 },
- { "lm", 2, BFD_RELOC_SPARC_LM22, 1, 1 },
- { "h34", 3, BFD_RELOC_SPARC_H34, 1, 0 },
- { "l34", 3, BFD_RELOC_SPARC_L44, 1, 0 },
- { "h44", 3, BFD_RELOC_SPARC_H44, 1, 0 },
- { "m44", 3, BFD_RELOC_SPARC_M44, 1, 0 },
- { "l44", 3, BFD_RELOC_SPARC_L44, 1, 0 },
- { "uhi", 3, BFD_RELOC_SPARC_HH22, 1, 0 },
- { "ulo", 3, BFD_RELOC_SPARC_HM10, 1, 0 },
- { "tgd_hi22", 8, BFD_RELOC_SPARC_TLS_GD_HI22, 0, 0 },
- { "tgd_lo10", 8, BFD_RELOC_SPARC_TLS_GD_LO10, 0, 0 },
- { "tldm_hi22", 9, BFD_RELOC_SPARC_TLS_LDM_HI22, 0, 0 },
- { "tldm_lo10", 9, BFD_RELOC_SPARC_TLS_LDM_LO10, 0, 0 },
- { "tldo_hix22", 10, BFD_RELOC_SPARC_TLS_LDO_HIX22, 0,
- 0 },
- { "tldo_lox10", 10, BFD_RELOC_SPARC_TLS_LDO_LOX10, 0,
- 0 },
- { "tie_hi22", 8, BFD_RELOC_SPARC_TLS_IE_HI22, 0, 0 },
- { "tie_lo10", 8, BFD_RELOC_SPARC_TLS_IE_LO10, 0, 0 },
- { "tle_hix22", 9, BFD_RELOC_SPARC_TLS_LE_HIX22, 0, 0 },
- { "tle_lox10", 9, BFD_RELOC_SPARC_TLS_LE_LOX10, 0, 0 },
- { "gdop_hix22", 10, BFD_RELOC_SPARC_GOTDATA_OP_HIX22,
- 0, 0 },
- { "gdop_lox10", 10, BFD_RELOC_SPARC_GOTDATA_OP_LOX10,
- 0, 0 },
- { NULL, 0, 0, 0, 0 }
- };
- const struct ops *o;
-
- for (o = ops; o->name; o++)
- if (strncmp (s + 1, o->name, o->len) == 0)
- break;
- if (o->name == NULL)
- break;
-
- if (s[o->len + 1] != '(')
+ const struct perc_entry *p;
+
+ for (p = perc_table; p->type != perc_entry_none; p++)
+ if ((p->type == perc_entry_imm_pop || p->type == perc_entry_reg)
+ && strncmp (s + 1, p->name, p->len) == 0)
+ break;
+ if (p->type == perc_entry_none || p->type == perc_entry_reg)
+ break;
+
+ if (s[p->len + 1] != '(')
{
- as_bad (_("Illegal operands: %%%s requires arguments in ()"), o->name);
+ as_bad (_("Illegal operands: %%%s requires arguments in ()"), p->name);
return special_case;
}
- op_arg = o->name;
- the_insn.reloc = o->reloc;
- s += o->len + 2;
- v9_arg_p = o->v9_p;
+ op_arg = p->name;
+ the_insn.reloc = p->pop->reloc;
+ s += p->len + 2;
+ v9_arg_p = p->pop->flags & F_POP_V9;
}
/* Note that if the get_expression() fails, we will still
handle the R_SPARC_5 immediate directly here so that
we don't need to add support for multiple relocations
in one instruction just yet. */
- if (the_insn.reloc == BFD_RELOC_SPARC_5)
+ if (the_insn.reloc == BFD_RELOC_SPARC_5
+ && ((insn->match & OP(0x3)) == 0))
{
valueT val = the_insn.exp.X_add_number;
+ the_insn.reloc = BFD_RELOC_NONE;
if (! in_bitfield_range (val, 0x1f))
{
error_message = _(": Immediate value in cbcond is out of range.");
goto error;
}
opcode |= val & 0x1f;
- the_insn.reloc = BFD_RELOC_NONE;
}
}
/* Parse an asi. */
if (*s == '#')
{
- if (! parse_keyword_arg (sparc_encode_asi, &s, &asi))
+ if (! parse_sparc_asi (&s, &sasi))
{
error_message = _(": invalid ASI name");
goto error;
}
+ asi = sasi->value;
}
else
{
s += 7;
continue;
+ case '&':
+ if (strncmp (s, "%entropy", 8) != 0)
+ break;
+ s += 8;
+ continue;
+
case 'E':
if (strncmp (s, "%ccr", 4) != 0)
break;
s += 4;
continue;
+ case '|':
+ {
+ int imm2 = 0;
+
+ /* Parse a 2-bit immediate. */
+ if (! parse_const_expr_arg (&s, &imm2))
+ {
+ error_message = _(": non-immdiate imm2 operand");
+ goto error;
+ }
+ if ((imm2 & ~0x3) != 0)
+ {
+ error_message = _(": imm2 immediate operand out of range (0-3)");
+ goto error;
+ }
+
+ opcode |= ((imm2 & 0x2) << 3) | (imm2 & 0x1);
+ continue;
+ }
+
case 'x':
{
char *push = input_line_pointer;
else
{
/* We have a match. Now see if the architecture is OK. */
+ /* String to use in case of architecture warning. */
+ const char *msg_str = str;
int needed_arch_mask = insn->architecture;
- bfd_uint64_t hwcaps
+
+ /* Include the ASI architecture needed as well */
+ if (sasi && needed_arch_mask > sasi->architecture)
+ {
+ needed_arch_mask = sasi->architecture;
+ msg_str = sasi->name;
+ }
+
+ bfd_uint64_t hwcaps
= (((bfd_uint64_t) insn->hwcaps2) << 32) | insn->hwcaps;
#if defined(OBJ_ELF) && !defined(TE_SOLARIS)
as_warn (_("architecture bumped from \"%s\" to \"%s\" on \"%s\""),
sparc_opcode_archs[current_architecture].name,
sparc_opcode_archs[needed_architecture].name,
- str);
+ msg_str);
warn_after_architecture = needed_architecture;
}
current_architecture = needed_architecture;
- hwcap_allowed |= hwcaps;
+ hwcap_allowed
+ = (hwcap_allowed
+ | hwcaps
+ | (((bfd_uint64_t) sparc_opcode_archs[current_architecture].hwcaps2) << 32)
+ | sparc_opcode_archs[current_architecture].hwcaps);
}
/* Conflict. */
/* ??? This seems to be a bit fragile. What if the next entry in
++arch;
}
- as_bad (_("Architecture mismatch on \"%s\"."), str);
- as_tsktsk (_(" (Requires %s; requested architecture is %s.)"),
+ as_bad (_("Architecture mismatch on \"%s %s\"."), str, argsStart);
+ as_tsktsk (_("(Requires %s; requested architecture is %s.)"),
required_archs,
sparc_opcode_archs[max_architecture].name);
return special_case;
return special_case;
}
+static char *
+skip_over_keyword (char *q)
+{
+ for (q = q + (*q == '#' || *q == '%');
+ ISALNUM (*q) || *q == '_';
+ ++q)
+ continue;
+ return q;
+}
+
+static int
+parse_sparc_asi (char **input_pointer_p, const sparc_asi **value_p)
+{
+ const sparc_asi *value;
+ char c, *p, *q;
+
+ p = *input_pointer_p;
+ q = skip_over_keyword(p);
+ c = *q;
+ *q = 0;
+ value = sparc_encode_asi (p);
+ *q = c;
+ if (value == NULL)
+ return 0;
+ *value_p = value;
+ *input_pointer_p = q;
+ return 1;
+}
+
/* Parse an argument that can be expressed as a keyword.
(eg: #StoreStore or %ccfr).
The result is a boolean indicating success.
char c, *p, *q;
p = *input_pointerP;
- for (q = p + (*p == '#' || *p == '%');
- ISALNUM (*q) || *q == '_';
- ++q)
- continue;
+ q = skip_over_keyword(p);
c = *q;
*q = 0;
value = (*lookup_fn) (p);
insn |= val & 0x3fffffff;
- /* See if we have a delay slot. */
- if (sparc_relax && fixP->fx_where + 8 <= fixP->fx_frag->fr_fix)
+ /* See if we have a delay slot. In that case we attempt to
+ optimize several cases transforming CALL instructions
+ into branches. But we can only do that if the relocation
+ can be completely resolved here, i.e. if no undefined
+ symbol is associated with it. */
+ if (sparc_relax && fixP->fx_addsy == NULL
+ && fixP->fx_where + 8 <= fixP->fx_frag->fr_fix)
{
#define G0 0
#define O7 15
arelent *reloc;
bfd_reloc_code_real_type code;
- relocs[0] = reloc = (arelent *) xmalloc (sizeof (arelent));
+ relocs[0] = reloc = XNEW (arelent);
relocs[1] = NULL;
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
switch (fixp->fx_r_type)
{
+ case BFD_RELOC_8:
case BFD_RELOC_16:
case BFD_RELOC_32:
+ case BFD_RELOC_64:
+ if (fixp->fx_pcrel)
+ {
+ switch (fixp->fx_size)
+ {
+ default:
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("can not do %d byte pc-relative relocation"),
+ fixp->fx_size);
+ code = fixp->fx_r_type;
+ fixp->fx_pcrel = 0;
+ break;
+ case 1: code = BFD_RELOC_8_PCREL; break;
+ case 2: code = BFD_RELOC_16_PCREL; break;
+ case 4: code = BFD_RELOC_32_PCREL; break;
+#ifdef BFD64
+ case 8: code = BFD_RELOC_64_PCREL; break;
+#endif
+ }
+ if (fixp->fx_pcrel)
+ fixp->fx_addnumber = fixp->fx_offset;
+ break;
+ }
+ /* Fall through. */
case BFD_RELOC_HI22:
case BFD_RELOC_LO10:
case BFD_RELOC_32_PCREL_S2:
case BFD_RELOC_SPARC_WDISP16:
case BFD_RELOC_SPARC_WDISP19:
case BFD_RELOC_SPARC_WDISP22:
- case BFD_RELOC_64:
case BFD_RELOC_SPARC_5:
case BFD_RELOC_SPARC_6:
case BFD_RELOC_SPARC_7:
on the same location. */
if (code == BFD_RELOC_SPARC_OLO10)
{
- relocs[1] = reloc = (arelent *) xmalloc (sizeof (arelent));
+ relocs[1] = reloc = XNEW (arelent);
relocs[2] = NULL;
- reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ reloc->sym_ptr_ptr = XNEW (asymbol *);
*reloc->sym_ptr_ptr
= symbol_get_bfdsym (section_symbol (absolute_section));
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
&& now_seg->flags & SEC_ALLOC)
r = BFD_RELOC_SPARC_REV32;
+#ifdef TE_SOLARIS
+ /* The Solaris linker does not allow R_SPARC_UA64
+ relocations for 32-bit executables. */
+ if (!target_little_endian_data
+ && sparc_arch_size != 64
+ && r == BFD_RELOC_64)
+ r = BFD_RELOC_32;
+#endif
+
if (sparc_cons_special_reloc)
{
if (*sparc_cons_special_reloc == 'd')
case 8: r = BFD_RELOC_SPARC_TLS_DTPOFF64; break;
}
}
- else if (sparc_no_align_cons)
+ else if (sparc_no_align_cons
+ || /* PR 20803 - relocs in the .eh_frame section
+ need to support unaligned access. */
+ strcmp (now_seg->name, ".eh_frame") == 0)
{
switch (nbytes)
{
case 2: r = BFD_RELOC_SPARC_UA16; break;
case 4: r = BFD_RELOC_SPARC_UA32; break;
+#ifdef TE_SOLARIS
+ /* The Solaris linker does not allow R_SPARC_UA64
+ relocations for 32-bit executables. */
+ case 8: r = sparc_arch_size == 64 ?
+ BFD_RELOC_SPARC_UA64 : BFD_RELOC_SPARC_UA32; break;
+#else
case 8: r = BFD_RELOC_SPARC_UA64; break;
+#endif
default: abort ();
}
}
projects / deliverable / binutils-gdb.git / blobdiff