/* tc-sparc.c -- Assemble for the SPARC
- Copyright (C) 1989-2016 Free Software Foundation, Inc.
+ Copyright (C) 1989-2021 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
#include "opcode/sparc.h"
#include "dw2gencfi.h"
-#ifdef OBJ_ELF
#include "elf/sparc.h"
#include "dwarf2dbg.h"
-#endif
/* Some ancient Sun C compilers would not take such hex constants as
unsigned, and would end up sign-extending them to form an offsetT,
#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 *);
changes the value before md_show_usage is called. */
static int default_arch_size;
-#ifdef OBJ_ELF
/* The currently selected v9 memory model. Currently only used for
ELF. */
static enum { MM_TSO, MM_PSO, MM_RMO } sparc_memory_model = MM_RMO;
GNU attributes section with hwcap information. */
static bfd_uint64_t hwcap_seen;
#endif
-#endif
static bfd_uint64_t hwcap_allowed;
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;
#endif
/* Handle of the OPCODE hash table. */
-static struct hash_control *op_hash;
+static htab_t op_hash;
static void s_data1 (void);
static void s_seg (int);
static void s_empty (int);
static void s_uacons (int);
static void s_ncons (int);
-#ifdef OBJ_ELF
static void s_register (int);
-#endif
const pseudo_typeS md_pseudo_table[] =
{
{"uahalf", s_uacons, 2},
{"uaword", s_uacons, 4},
{"uaxword", s_uacons, 8},
-#ifdef OBJ_ELF
/* These are specific to sparc/svr4. */
{"2byte", s_uacons, 2},
{"4byte", s_uacons, 4},
{"8byte", s_uacons, 8},
{"register", s_register, 0},
-#endif
{NULL, 0, 0},
};
struct sparc_it
{
- char *error;
+ const char *error;
unsigned long opcode;
struct nlist *nlistp;
expressionS exp;
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 }
};
default_arch_type = sa->arch_type;
}
-/* Called by TARGET_FORMAT. */
+/* Called by TARGET_MACH. */
-const char *
-sparc_target_format (void)
+unsigned long
+sparc_mach (void)
{
/* We don't get a chance to initialize anything before we're called,
so handle that now. */
if (! default_init_p)
init_default_arch ();
-#ifdef OBJ_AOUT
-#ifdef TE_NetBSD
- return "a.out-sparc-netbsd";
-#else
-#ifdef TE_SPARCAOUT
- if (target_big_endian)
- return "a.out-sunos-big";
- else if (default_arch_type == sparc86x && target_little_endian_data)
- return "a.out-sunos-big";
- else
- return "a.out-sparc-little";
-#else
- return "a.out-sunos-big";
-#endif
-#endif
-#endif
+ return sparc_arch_size == 64 ? bfd_mach_sparc_v9 : bfd_mach_sparc;
+}
-#ifdef OBJ_BOUT
- return "b.out.big";
-#endif
+/* Called by TARGET_FORMAT. */
-#ifdef OBJ_COFF
-#ifdef TE_LYNX
- return "coff-sparc-lynx";
-#else
- return "coff-sparc";
-#endif
-#endif
+const char *
+sparc_target_format (void)
+{
+ /* We don't get a chance to initialize anything before we're called,
+ so handle that now. */
+ if (! default_init_p)
+ init_default_arch ();
#ifdef TE_VXWORKS
return "elf32-sparc-vxworks";
#endif
-#ifdef OBJ_ELF
return sparc_arch_size == 64 ? ELF64_TARGET_FORMAT : ELF_TARGET_FORMAT;
-#endif
-
- abort ();
}
\f
/* md_parse_option
* error. For example, from sparclite to v9.
*/
-#ifdef OBJ_ELF
const char *md_shortopts = "A:K:VQ:sq";
-#else
-#ifdef OBJ_AOUT
-const char *md_shortopts = "A:k";
-#else
-const char *md_shortopts = "A:";
-#endif
-#endif
struct option md_longopts[] = {
#define OPTION_BUMP (OPTION_MD_BASE)
{"bump", no_argument, NULL, OPTION_BUMP},
{"sparc", no_argument, NULL, OPTION_SPARC},
#define OPTION_XARCH (OPTION_MD_BASE + 2)
{"xarch", required_argument, NULL, OPTION_XARCH},
-#ifdef OBJ_ELF
#define OPTION_32 (OPTION_MD_BASE + 3)
{"32", no_argument, NULL, OPTION_32},
#define OPTION_64 (OPTION_MD_BASE + 4)
{"PSO", no_argument, NULL, OPTION_PSO},
#define OPTION_RMO (OPTION_MD_BASE + 7)
{"RMO", no_argument, NULL, OPTION_RMO},
-#endif
#ifdef SPARC_BIENDIAN
#define OPTION_LITTLE_ENDIAN (OPTION_MD_BASE + 8)
{"EL", no_argument, NULL, OPTION_LITTLE_ENDIAN},
{"enforce-aligned-data", no_argument, NULL, OPTION_ENFORCE_ALIGNED_DATA},
#define OPTION_LITTLE_ENDIAN_DATA (OPTION_MD_BASE + 11)
{"little-endian-data", no_argument, NULL, OPTION_LITTLE_ENDIAN_DATA},
-#ifdef OBJ_ELF
#define OPTION_NO_UNDECLARED_REGS (OPTION_MD_BASE + 12)
{"no-undeclared-regs", no_argument, NULL, OPTION_NO_UNDECLARED_REGS},
#define OPTION_UNDECLARED_REGS (OPTION_MD_BASE + 13)
{"undeclared-regs", no_argument, NULL, OPTION_UNDECLARED_REGS},
-#endif
#define OPTION_RELAX (OPTION_MD_BASE + 14)
{"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}
};
break;
case OPTION_XARCH:
-#ifdef OBJ_ELF
if (!strncmp (arg, "v9", 2))
md_parse_option (OPTION_64, NULL);
else
|| !strcmp (arg, "sparc86x"))
md_parse_option (OPTION_32, NULL);
}
-#endif
/* Fall through. */
case 'A':
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;
break;
#endif
-#ifdef OBJ_AOUT
- case 'k':
- sparc_pic_code = 1;
- break;
-#endif
-
-#ifdef OBJ_ELF
case OPTION_32:
case OPTION_64:
{
case OPTION_UNDECLARED_REGS:
no_undeclared_regs = 0;
break;
-#endif
case OPTION_RELAX:
sparc_relax = 1;
sparc_relax = 0;
break;
+ case OPTION_DCTI_COUPLES_DETECT:
+ dcti_couples_detect = 1;
+ break;
+
default:
return 0;
}
--enforce-aligned-data force .long, etc., to be aligned correctly\n\
-relax relax jumps and branches (default)\n\
-no-relax avoid changing any jumps and branches\n"));
-#ifdef OBJ_AOUT
- fprintf (stream, _("\
--k generate PIC\n"));
-#endif
-#ifdef OBJ_ELF
fprintf (stream, _("\
-32 create 32 bit object file\n\
-64 create 64 bit object file\n"));
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"));
-#endif
#ifdef SPARC_BIENDIAN
fprintf (stream, _("\
-EL generate code for a little endian machine\n\
}
\f
/* Native operand size opcode translation. */
-struct
+static struct
{
const char *name;
const char *name32;
{"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
void
md_begin (void)
{
- const char *retval = NULL;
int lose = 0;
unsigned int i = 0;
init_default_arch ();
sparc_cie_data_alignment = sparc_arch_size == 64 ? -8 : -4;
- op_hash = hash_new ();
+ op_hash = str_htab_create ();
while (i < (unsigned int) sparc_num_opcodes)
{
const char *name = sparc_opcodes[i].name;
- retval = hash_insert (op_hash, name, (void *) &sparc_opcodes[i]);
- if (retval != NULL)
+ if (str_hash_insert (op_hash, name, &sparc_opcodes[i], 0) != NULL)
{
- as_bad (_("Internal error: can't hash `%s': %s\n"),
- sparc_opcodes[i].name, retval);
+ as_bad (_("duplicate %s"), name);
lose = 1;
}
do
const char *name = ((sparc_arch_size == 32)
? native_op_table[i].name32
: native_op_table[i].name64);
- insn = (struct sparc_opcode *) hash_find (op_hash, name);
+ insn = (struct sparc_opcode *) str_hash_find (op_hash, name);
if (insn == NULL)
{
as_bad (_("Internal error: can't find opcode `%s' for `%s'\n"),
name, native_op_table[i].name);
lose = 1;
}
- else
+ else if (str_hash_insert (op_hash, native_op_table[i].name, insn, 0))
{
- retval = hash_insert (op_hash, native_op_table[i].name,
- (void *) insn);
- if (retval != NULL)
- {
- as_bad (_("Internal error: can't hash `%s': %s\n"),
- sparc_opcodes[i].name, retval);
- lose = 1;
- }
+ as_bad (_("duplicate %s"), native_op_table[i].name);
+ lose = 1;
}
}
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. */
void
sparc_md_end (void)
{
- unsigned long mach = bfd_mach_sparc;
-#if defined(OBJ_ELF) && !defined(TE_SOLARIS)
+ unsigned long mach;
+#ifndef TE_SOLARIS
int hwcaps, hwcaps2;
#endif
{
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). */
- default: break;
+ default: mach = bfd_mach_sparc; break;
}
bfd_set_arch_mach (stdoutput, bfd_arch_sparc, mach);
-#if defined(OBJ_ELF) && !defined(TE_SOLARIS)
+#ifndef TE_SOLARIS
hwcaps = hwcap_seen & U0xffffffff;
hwcaps2 = hwcap_seen >> 32;
0xffffffff is always considered -1 on sparc32. */
if (sparc_arch_size == 32)
{
- bfd_signed_vma sign = (bfd_signed_vma) 1 << 31;
+ bfd_vma sign = (bfd_vma) 1 << 31;
val = ((val & U0xffffffff) ^ sign) - sign;
}
if (val > max)
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"));
-
- /* SPARC before v9 requires a nop instruction between a floating
- point instruction and a floating point branch. We insert one
- automatically, with a warning. */
+ && (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 does not allow a floating point compare
+ directly before a floating point branch. Insert a nop
+ instruction if needed, with a warning. */
if (max_architecture < SPARC_OPCODE_ARCH_V9
&& last_insn != NULL
&& (insn->flags & F_FBR) != 0
- && (last_insn->flags & F_FLOAT) != 0)
+ && (last_insn->flags & F_FLOAT) != 0
+ && (last_insn->match & OP3 (0x35)) == OP3 (0x35))
{
struct sparc_it nop_insn;
nop_insn.opcode = NOP_INSN;
nop_insn.reloc = BFD_RELOC_NONE;
output_insn (insn, &nop_insn);
- as_warn (_("FP branch preceded by FP instruction; NOP inserted"));
+ as_warn (_("FP branch preceded by FP compare; NOP inserted"));
}
switch (special_case)
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))
*pinsn = NULL;
return special_case;
}
- insn = (struct sparc_opcode *) hash_find (op_hash, str);
+ insn = (struct sparc_opcode *) str_hash_find (op_hash, str);
*pinsn = insn;
if (insn == NULL)
{
/* 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
*s1 = '\0';
(void) get_expression (s);
*s1 = ')';
+ if (expr_end != s1)
+ {
+ as_bad (_("Expression inside %%%s could not be parsed"), op_arg);
+ return special_case;
+ }
s = s1 + 1;
if (*s == ',' || *s == ']' || !*s)
continue;
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)
+#ifndef TE_SOLARIS
if (hwcaps)
hwcap_seen |= hwcaps;
#endif
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);
last_insn = insn;
last_opcode = theinsn->opcode;
-#ifdef OBJ_ELF
dwarf2_emit_insn (4);
-#endif
}
\f
-char *
+const char *
md_atof (int type, char *litP, int *sizeP)
{
return ieee_md_atof (type, litP, sizeP, target_big_endian);
fixP->fx_addnumber = val; /* Remember value for emit_reloc. */
-#ifdef OBJ_ELF
/* SPARC ELF relocations don't use an addend in the data field. */
if (fixP->fx_addsy != NULL)
{
return;
}
-#endif
/* This is a hack. There should be a better way to
handle this. Probably in terms of howto fields, once
if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy)
val += fixP->fx_where + fixP->fx_frag->fr_address;
-#ifdef OBJ_AOUT
- /* FIXME: More ridiculous gas reloc hacking. If we are going to
- generate a reloc, then we just want to let the reloc addend set
- the value. We do not want to also stuff the addend into the
- object file. Including the addend in the object file works when
- doing a static link, because the linker will ignore the object
- file contents. However, the dynamic linker does not ignore the
- object file contents. */
- if (fixP->fx_addsy != NULL
- && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2)
- val = 0;
-
- /* When generating PIC code, we do not want an addend for a reloc
- against a local symbol. We adjust fx_addnumber to cancel out the
- value already included in val, and to also cancel out the
- adjustment which bfd_install_relocation will create. */
- if (sparc_pic_code
- && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2
- && fixP->fx_addsy != NULL
- && ! S_IS_COMMON (fixP->fx_addsy)
- && symbol_section_p (fixP->fx_addsy))
- fixP->fx_addnumber -= 2 * S_GET_VALUE (fixP->fx_addsy);
-
- /* When generating PIC code, we need to fiddle to get
- bfd_install_relocation to do the right thing for a PC relative
- reloc against a local symbol which we are going to keep. */
- if (sparc_pic_code
- && fixP->fx_r_type == BFD_RELOC_32_PCREL_S2
- && fixP->fx_addsy != NULL
- && (S_IS_EXTERNAL (fixP->fx_addsy)
- || S_IS_WEAK (fixP->fx_addsy))
- && S_IS_DEFINED (fixP->fx_addsy)
- && ! S_IS_COMMON (fixP->fx_addsy))
- {
- val = 0;
- fixP->fx_addnumber -= 2 * S_GET_VALUE (fixP->fx_addsy);
- }
-#endif
-
/* If this is a data relocation, just output VAL. */
if (fixP->fx_r_type == BFD_RELOC_8)
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:
return NULL;
}
-#if defined (OBJ_ELF) || defined (OBJ_AOUT)
/* If we are generating PIC code, we need to generate a different
set of relocs. */
-#ifdef OBJ_ELF
#define GOT_NAME "_GLOBAL_OFFSET_TABLE_"
-#else
-#define GOT_NAME "__GLOBAL_OFFSET_TABLE_"
-#endif
#ifdef TE_VXWORKS
#define GOTT_BASE "__GOTT_BASE__"
#define GOTT_INDEX "__GOTT_INDEX__"
#endif
- /* This code must be parallel to the OBJ_ELF tc_fix_adjustable. */
+ /* This code must be parallel to tc_fix_adjustable. */
if (sparc_pic_code)
{
break;
}
}
-#endif /* defined (OBJ_ELF) || defined (OBJ_AOUT) */
/* Nothing is aligned in DWARF debugging sections. */
- if (bfd_get_section_flags (stdoutput, section) & SEC_DEBUGGING)
+ if (bfd_section_flags (section) & SEC_DEBUGGING)
switch (code)
{
case BFD_RELOC_16: code = BFD_RELOC_SPARC_UA16; break;
}
/* @@ Why fx_addnumber sometimes and fx_offset other times? */
-#ifdef OBJ_AOUT
-
- if (reloc->howto->pc_relative == 0
- || code == BFD_RELOC_SPARC_PC10
- || code == BFD_RELOC_SPARC_PC22)
- reloc->addend = fixp->fx_addnumber;
- else if (sparc_pic_code
- && fixp->fx_r_type == BFD_RELOC_32_PCREL_S2
- && fixp->fx_addsy != NULL
- && (S_IS_EXTERNAL (fixp->fx_addsy)
- || S_IS_WEAK (fixp->fx_addsy))
- && S_IS_DEFINED (fixp->fx_addsy)
- && ! S_IS_COMMON (fixp->fx_addsy))
- reloc->addend = fixp->fx_addnumber;
- else
- reloc->addend = fixp->fx_offset - reloc->address;
-
-#else /* elf or coff */
-
if (code != BFD_RELOC_32_PCREL_S2
&& code != BFD_RELOC_SPARC_WDISP22
&& code != BFD_RELOC_SPARC_WDISP16
+ md_pcrel_from (fixp));
else
reloc->addend = fixp->fx_offset;
-#endif
/* We expand R_SPARC_OLO10 to R_SPARC_LO10 and R_SPARC_13
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;
valueT
md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
{
-#ifndef OBJ_ELF
- /* This is not right for ELF; a.out wants it, and COFF will force
- the alignment anyways. */
- valueT align = ((valueT) 1
- << (valueT) bfd_get_section_alignment (stdoutput, segment));
- valueT newsize;
-
- /* Turn alignment value into a mask. */
- align--;
- newsize = (size + align) & ~align;
- return newsize;
-#else
return size;
-#endif
}
/* Exactly what point is a PC-relative offset relative TO?
/* Sort of like s_lcomm. */
-#ifndef OBJ_ELF
-static int max_alignment = 15;
-#endif
-
static void
s_reserve (int ignore ATTRIBUTE_UNUSED)
{
align = (int) get_absolute_expression ();
-#ifndef OBJ_ELF
- if (align > max_alignment)
- {
- align = max_alignment;
- as_warn (_("alignment too large; assuming %d"), align);
- }
-#endif
-
if (align < 0)
{
as_bad (_("negative alignment"));
else
align = 0;
- if (!S_IS_DEFINED (symbolP)
-#ifdef OBJ_AOUT
- && S_GET_OTHER (symbolP) == 0
- && S_GET_DESC (symbolP) == 0
-#endif
- )
+ if (!S_IS_DEFINED (symbolP))
{
if (! need_pass_2)
{
subseg_set (current_seg, current_subseg);
-#ifdef OBJ_ELF
S_SET_SIZE (symbolP, size);
-#endif
}
}
else
S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), (long) size);
}
}
- else
- {
-#ifndef OBJ_ELF
- S_SET_VALUE (symbolP, (valueT) size);
- S_SET_EXTERNAL (symbolP);
-#endif
- }
know (symbol_get_frag (symbolP) == &zero_address_frag);
if (*input_line_pointer != ',')
{
{
temp = get_absolute_expression ();
-#ifndef OBJ_ELF
- if (temp > max_alignment)
- {
- temp = max_alignment;
- as_warn (_("alignment too large; assuming %ld"), (long) temp);
- }
-#endif
-
if (temp < 0)
{
as_bad (_("negative alignment"));
return;
}
-#ifdef OBJ_ELF
if (symbol_get_obj (symbolP)->local)
{
segT old_sec;
subseg_set (old_sec, old_subsec);
}
else
-#endif /* OBJ_ELF */
{
allocate_common:
S_SET_VALUE (symbolP, (valueT) size);
-#ifdef OBJ_ELF
S_SET_ALIGN (symbolP, temp);
S_SET_SIZE (symbolP, size);
-#endif
S_SET_EXTERNAL (symbolP);
S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
}
cons (sparc_arch_size == 32 ? 4 : 8);
}
-#ifdef OBJ_ELF
/* Handle the SPARC ELF .register pseudo-op. This sets the binding of a
global register.
The syntax is:
S_SET_SEGMENT (sym, undefined_section);
}
}
-#endif
/* If the --enforce-aligned-data option is used, we require .word,
et. al., to be aligned correctly. We do it by setting up an
}
}
-#ifdef OBJ_ELF
/* Some special processing for a Sparc ELF file. */
void
return sparc_cons_special_reloc;
}
-#endif
-
/* This is called by emit_expr via TC_CONS_FIX_NEW when creating a
reloc for a cons. We could use the definition there, except that
we want to handle little endian relocs specially. */
&& 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 / thirdparty / binutils-gdb.git / blobdiff