/* tc-alpha.c - Processor-specific code for the DEC Alpha AXP CPU.
- Copyright (C) 1989, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002 Free Software Foundation, Inc.
Contributed by Carnegie Mellon University, 1993.
Written by Alessandro Forin, based on earlier gas-1.38 target CPU files.
Modified by Ken Raeburn for gas-2.x and ECOFF support.
Modified by Richard Henderson for ELF support.
- Modified by Klaus Kaempf for EVAX (openVMS/Alpha) support.
+ Modified by Klaus K"ampf for EVAX (OpenVMS/Alpha) support.
This file is part of GAS, the GNU Assembler.
#include "as.h"
#include "subsegs.h"
+#include "struc-symbol.h"
+#include "ecoff.h"
#include "opcode/alpha.h"
#ifdef OBJ_ELF
#include "elf/alpha.h"
+#include "dwarf2dbg.h"
#endif
-#include <ctype.h>
-
+#include "safe-ctype.h"
\f
/* Local types */
+#define TOKENIZE_ERROR -1
+#define TOKENIZE_ERROR_REPORT -2
+
#define MAX_INSN_FIXUPS 2
#define MAX_INSN_ARGS 5
-struct alpha_fixup
-{
+struct alpha_fixup {
expressionS exp;
bfd_reloc_code_real_type reloc;
};
-struct alpha_insn
-{
+struct alpha_insn {
unsigned insn;
int nfixups;
struct alpha_fixup fixups[MAX_INSN_FIXUPS];
+ long sequence;
};
-enum alpha_macro_arg
-{
- MACRO_EOA = 1, MACRO_IR, MACRO_PIR, MACRO_CPIR, MACRO_FPR, MACRO_EXP
+enum alpha_macro_arg {
+ MACRO_EOA = 1,
+ MACRO_IR,
+ MACRO_PIR,
+ MACRO_OPIR,
+ MACRO_CPIR,
+ MACRO_FPR,
+ MACRO_EXP,
};
-struct alpha_macro
-{
+struct alpha_macro {
const char *name;
- void (*emit) PARAMS((const expressionS *, int, void *));
- void *arg;
+ void (*emit) PARAMS ((const expressionS *, int, const PTR));
+ const PTR arg;
enum alpha_macro_arg argsets[16];
};
-/* Two extra symbols we want to see in our input. This is a blatent
- misuse of the expressionS.X_op field. */
+/* Extra expression types. */
+
+#define O_pregister O_md1 /* O_register, in parentheses */
+#define O_cpregister O_md2 /* + a leading comma */
+
+/* Note, the alpha_reloc_op table below depends on the ordering
+ of O_literal .. O_gpre16. */
+#define O_literal O_md3 /* !literal relocation */
+#define O_lituse_addr O_md4 /* !lituse_addr relocation */
+#define O_lituse_base O_md5 /* !lituse_base relocation */
+#define O_lituse_bytoff O_md6 /* !lituse_bytoff relocation */
+#define O_lituse_jsr O_md7 /* !lituse_jsr relocation */
+#define O_gpdisp O_md8 /* !gpdisp relocation */
+#define O_gprelhigh O_md9 /* !gprelhigh relocation */
+#define O_gprellow O_md10 /* !gprellow relocation */
+#define O_gprel O_md11 /* !gprel relocation */
+#define O_samegp O_md12 /* !samegp relocation */
-#define O_pregister (O_max+1) /* O_register, but in parentheses */
-#define O_cpregister (O_pregister+1) /* + a leading comma */
+#define DUMMY_RELOC_LITUSE_ADDR (BFD_RELOC_UNUSED + 1)
+#define DUMMY_RELOC_LITUSE_BASE (BFD_RELOC_UNUSED + 2)
+#define DUMMY_RELOC_LITUSE_BYTOFF (BFD_RELOC_UNUSED + 3)
+#define DUMMY_RELOC_LITUSE_JSR (BFD_RELOC_UNUSED + 4)
+
+#define LITUSE_ADDR 0
+#define LITUSE_BASE 1
+#define LITUSE_BYTOFF 2
+#define LITUSE_JSR 3
+
+#define USER_RELOC_P(R) ((R) >= O_literal && (R) <= O_samegp)
/* Macros for extracting the type and number of encoded register tokens */
#define note_fpreg(R) (alpha_fprmask |= (1 << (R)))
/* Predicates for 16- and 32-bit ranges */
+/* XXX: The non-shift version appears to trigger a compiler bug when
+ cross-assembling from x86 w/ gcc 2.7.2. */
-#define range_signed_16(x) ((offsetT)(x) >= -(offsetT)0x8000 && \
- (offsetT)(x) <= (offsetT)0x7FFF)
-#define range_signed_32(x) ((offsetT)(x) >= -(offsetT)0x80000000 && \
- (offsetT)(x) <= (offsetT)0x7FFFFFFF)
+#if 1
+#define range_signed_16(x) \
+ (((offsetT) (x) >> 15) == 0 || ((offsetT) (x) >> 15) == -1)
+#define range_signed_32(x) \
+ (((offsetT) (x) >> 31) == 0 || ((offsetT) (x) >> 31) == -1)
+#else
+#define range_signed_16(x) ((offsetT) (x) >= -(offsetT) 0x8000 && \
+ (offsetT) (x) <= (offsetT) 0x7FFF)
+#define range_signed_32(x) ((offsetT) (x) >= -(offsetT) 0x80000000 && \
+ (offsetT) (x) <= (offsetT) 0x7FFFFFFF)
+#endif
/* Macros for sign extending from 16- and 32-bits. */
/* XXX: The cast macros will work on all the systems that I care about,
but really a predicate should be found to use the non-cast forms. */
#if 1
-#define sign_extend_16(x) ((short)(x))
-#define sign_extend_32(x) ((int)(x))
+#define sign_extend_16(x) ((short) (x))
+#define sign_extend_32(x) ((int) (x))
#else
-#define sign_extend_16(x) ((offsetT)(((x) & 0xFFFF) ^ 0x8000) - 0x8000)
-#define sign_extend_32(x) ((offsetT)(((x) & 0xFFFFFFFF) \
+#define sign_extend_16(x) ((offsetT) (((x) & 0xFFFF) ^ 0x8000) - 0x8000)
+#define sign_extend_32(x) ((offsetT) (((x) & 0xFFFFFFFF) \
^ 0x80000000) - 0x80000000)
#endif
/* Macros to build tokens */
-#define set_tok_reg(t, r) (memset(&(t), 0, sizeof(t)), \
+#define set_tok_reg(t, r) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_register, \
(t).X_add_number = (r))
-#define set_tok_preg(t, r) (memset(&(t), 0, sizeof(t)), \
+#define set_tok_preg(t, r) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_pregister, \
(t).X_add_number = (r))
-#define set_tok_cpreg(t, r) (memset(&(t), 0, sizeof(t)), \
+#define set_tok_cpreg(t, r) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_cpregister, \
(t).X_add_number = (r))
-#define set_tok_freg(t, r) (memset(&(t), 0, sizeof(t)), \
+#define set_tok_freg(t, r) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_register, \
- (t).X_add_number = (r)+32)
-#define set_tok_sym(t, s, a) (memset(&(t), 0, sizeof(t)), \
+ (t).X_add_number = (r) + 32)
+#define set_tok_sym(t, s, a) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_symbol, \
(t).X_add_symbol = (s), \
(t).X_add_number = (a))
-#define set_tok_const(t, n) (memset(&(t), 0, sizeof(t)), \
+#define set_tok_const(t, n) (memset (&(t), 0, sizeof (t)), \
(t).X_op = O_constant, \
(t).X_add_number = (n))
-
\f
/* Prototypes for all local functions */
-static int tokenize_arguments PARAMS((char *, expressionS*, int));
+static struct alpha_reloc_tag *get_alpha_reloc_tag PARAMS ((long));
+static void alpha_adjust_symtab_relocs PARAMS ((bfd *, asection *, PTR));
+
+static int tokenize_arguments PARAMS ((char *, expressionS *, int));
static const struct alpha_opcode *find_opcode_match
- PARAMS((const struct alpha_opcode*, const expressionS*, int*, int*));
+ PARAMS ((const struct alpha_opcode *, const expressionS *, int *, int *));
static const struct alpha_macro *find_macro_match
- PARAMS((const struct alpha_macro*, const expressionS*, int*));
-static unsigned insert_operand PARAMS((unsigned, const struct alpha_operand*,
- offsetT, char *, unsigned));
-static void assemble_insn PARAMS((const struct alpha_opcode*,
- const expressionS*, int,
- struct alpha_insn*));
-static void emit_insn PARAMS((struct alpha_insn *));
-static void assemble_tokens_to_insn PARAMS((const char *, const expressionS*,
- int, struct alpha_insn *));
-static void assemble_tokens PARAMS((const char *, const expressionS*,
- int, int));
-
-static int load_expression PARAMS((int, const expressionS*, int *,
- expressionS*));
-
-static void emit_ldgp PARAMS((const expressionS*, int, void*));
-static void emit_division PARAMS((const expressionS*, int, void*));
-static void emit_lda PARAMS((const expressionS*, int, void*));
-static void emit_ldah PARAMS((const expressionS*, int, void*));
-static void emit_ir_load PARAMS((const expressionS*, int, void*));
-static void emit_loadstore PARAMS((const expressionS*, int, void*));
-static void emit_jsrjmp PARAMS((const expressionS*, int, void*));
-static void emit_ldX PARAMS((const expressionS*, int, void*));
-static void emit_ldXu PARAMS((const expressionS*, int, void*));
-static void emit_uldX PARAMS((const expressionS*, int, void*));
-static void emit_uldXu PARAMS((const expressionS*, int, void*));
-static void emit_ldil PARAMS((const expressionS*, int, void*));
-static void emit_stX PARAMS((const expressionS*, int, void*));
-static void emit_ustX PARAMS((const expressionS*, int, void*));
-static void emit_sextX PARAMS((const expressionS*, int, void*));
-static void emit_retjcr PARAMS((const expressionS*, int, void*));
-
-static void s_alpha_text PARAMS((int));
-static void s_alpha_data PARAMS((int));
+ PARAMS ((const struct alpha_macro *, const expressionS *, int *));
+static unsigned insert_operand
+ PARAMS ((unsigned, const struct alpha_operand *, offsetT, char *, unsigned));
+static void assemble_insn
+ PARAMS ((const struct alpha_opcode *, const expressionS *, int,
+ struct alpha_insn *, bfd_reloc_code_real_type));
+static void emit_insn PARAMS ((struct alpha_insn *));
+static void assemble_tokens_to_insn
+ PARAMS ((const char *, const expressionS *, int, struct alpha_insn *));
+static void assemble_tokens
+ PARAMS ((const char *, const expressionS *, int, int));
+
+static long load_expression
+ PARAMS ((int, const expressionS *, int *, expressionS *));
+
+static void emit_ldgp PARAMS ((const expressionS *, int, const PTR));
+static void emit_division PARAMS ((const expressionS *, int, const PTR));
+static void emit_lda PARAMS ((const expressionS *, int, const PTR));
+static void emit_ldah PARAMS ((const expressionS *, int, const PTR));
+static void emit_ir_load PARAMS ((const expressionS *, int, const PTR));
+static void emit_loadstore PARAMS ((const expressionS *, int, const PTR));
+static void emit_jsrjmp PARAMS ((const expressionS *, int, const PTR));
+static void emit_ldX PARAMS ((const expressionS *, int, const PTR));
+static void emit_ldXu PARAMS ((const expressionS *, int, const PTR));
+static void emit_uldX PARAMS ((const expressionS *, int, const PTR));
+static void emit_uldXu PARAMS ((const expressionS *, int, const PTR));
+static void emit_ldil PARAMS ((const expressionS *, int, const PTR));
+static void emit_stX PARAMS ((const expressionS *, int, const PTR));
+static void emit_ustX PARAMS ((const expressionS *, int, const PTR));
+static void emit_sextX PARAMS ((const expressionS *, int, const PTR));
+static void emit_retjcr PARAMS ((const expressionS *, int, const PTR));
+
+static void s_alpha_text PARAMS ((int));
+static void s_alpha_data PARAMS ((int));
#ifndef OBJ_ELF
-static void s_alpha_comm PARAMS((int));
-#endif
-#if defined (OBJ_ECOFF) || defined (OBJ_EVAX)
-static void s_alpha_rdata PARAMS((int));
+static void s_alpha_comm PARAMS ((int));
+static void s_alpha_rdata PARAMS ((int));
#endif
#ifdef OBJ_ECOFF
-static void s_alpha_sdata PARAMS((int));
+static void s_alpha_sdata PARAMS ((int));
#endif
#ifdef OBJ_ELF
-static void s_alpha_section PARAMS((int));
+static void s_alpha_section PARAMS ((int));
+static void s_alpha_ent PARAMS ((int));
+static void s_alpha_end PARAMS ((int));
+static void s_alpha_mask PARAMS ((int));
+static void s_alpha_frame PARAMS ((int));
+static void s_alpha_prologue PARAMS ((int));
+static void s_alpha_file PARAMS ((int));
+static void s_alpha_loc PARAMS ((int));
+static void s_alpha_stab PARAMS ((int));
+static void s_alpha_coff_wrapper PARAMS ((int));
+#endif
+#ifdef OBJ_EVAX
+static void s_alpha_section PARAMS ((int));
#endif
-static void s_alpha_gprel32 PARAMS((int));
-static void s_alpha_float_cons PARAMS((int));
-static void s_alpha_proc PARAMS((int));
-static void s_alpha_set PARAMS((int));
-static void s_alpha_base PARAMS((int));
-static void s_alpha_align PARAMS((int));
-static void s_alpha_stringer PARAMS((int));
-static void s_alpha_space PARAMS((int));
-
-static void create_literal_section PARAMS((const char *, segT*, symbolS**));
+static void s_alpha_gprel32 PARAMS ((int));
+static void s_alpha_float_cons PARAMS ((int));
+static void s_alpha_proc PARAMS ((int));
+static void s_alpha_set PARAMS ((int));
+static void s_alpha_base PARAMS ((int));
+static void s_alpha_align PARAMS ((int));
+static void s_alpha_stringer PARAMS ((int));
+static void s_alpha_space PARAMS ((int));
+static void s_alpha_ucons PARAMS ((int));
+static void s_alpha_arch PARAMS ((int));
+
+static void create_literal_section PARAMS ((const char *, segT *, symbolS **));
#ifndef OBJ_ELF
-static void select_gp_value PARAMS((void));
+static void select_gp_value PARAMS ((void));
#endif
-static void alpha_align PARAMS((int, char *, symbolS *));
-
+static void alpha_align PARAMS ((int, char *, symbolS *, int));
\f
/* Generic assembler global variables which must be defined by all
targets. */
-/* These are exported to relaxing code, even though we don't do any
- relaxing on this processor currently. */
-int md_short_jump_size = 4;
-int md_long_jump_size = 4;
-
/* Characters which always start a comment. */
const char comment_chars[] = "#";
#endif
#ifdef OBJ_EVAX
-const char *md_shortopts = "Fm:g+1h:H";
+const char *md_shortopts = "Fm:g+1h:HG:";
#else
-const char *md_shortopts = "Fm:g";
+const char *md_shortopts = "Fm:gG:";
#endif
struct option md_longopts[] = {
#define OPTION_32ADDR (OPTION_MD_BASE)
{ "32addr", no_argument, NULL, OPTION_32ADDR },
+#define OPTION_RELAX (OPTION_32ADDR + 1)
+ { "relax", no_argument, NULL, OPTION_RELAX },
+#ifdef OBJ_ELF
+#define OPTION_MDEBUG (OPTION_RELAX + 1)
+#define OPTION_NO_MDEBUG (OPTION_MDEBUG + 1)
+ { "mdebug", no_argument, NULL, OPTION_MDEBUG },
+ { "no-mdebug", no_argument, NULL, OPTION_NO_MDEBUG },
+#endif
{ NULL, no_argument, NULL, 0 }
};
-size_t md_longopts_size = sizeof(md_longopts);
-
+size_t md_longopts_size = sizeof (md_longopts);
\f
#ifdef OBJ_EVAX
#define AXP_REG_R0 0
#endif /* OBJ_EVAX */
/* The cpu for which we are generating code */
-static unsigned alpha_target = AXP_OPCODE_ALL;
+static unsigned alpha_target = AXP_OPCODE_BASE;
static const char *alpha_target_name = "<all>";
/* The hash table of instruction opcodes */
#endif
#ifdef OBJ_EVAX
static segT alpha_link_section;
+static segT alpha_ctors_section;
+static segT alpha_dtors_section;
#endif
static segT alpha_lit8_section;
-/* Symbols referring to said sections. */
+/* Symbols referring to said sections. */
#ifdef OBJ_ECOFF
static symbolS *alpha_lita_symbol;
static symbolS *alpha_lit4_symbol;
#endif
#ifdef OBJ_EVAX
static symbolS *alpha_link_symbol;
+static symbolS *alpha_ctors_symbol;
+static symbolS *alpha_dtors_symbol;
#endif
static symbolS *alpha_lit8_symbol;
+/* Literal for .litX+0x8000 within .lita */
+#ifdef OBJ_ECOFF
+static offsetT alpha_lit4_literal;
+static offsetT alpha_lit8_literal;
+#endif
+
+#ifdef OBJ_ELF
+/* The active .ent symbol. */
+static symbolS *alpha_cur_ent_sym;
+#endif
+
/* Is the assembler not allowed to use $at? */
static int alpha_noat_on = 0;
/* These are exported to ECOFF code. */
unsigned long alpha_gprmask, alpha_fprmask;
+/* Whether the debugging option was seen. */
+static int alpha_debug;
+
+#ifdef OBJ_ELF
+/* Whether we are emitting an mdebug section. */
+int alpha_flag_mdebug = -1;
+#endif
+
+/* Don't fully resolve relocations, allowing code movement in the linker. */
+static int alpha_flag_relax;
+
+/* What value to give to bfd_set_gp_size. */
+static int g_switch_value = 8;
+
#ifdef OBJ_EVAX
/* Collect information about current procedure here. */
static struct {
static int alpha_flag_hash_long_names = 0; /* -+ */
static int alpha_flag_show_after_trunc = 0; /* -H */
-static int alpha_flag_no_hash_mixed_case = 0; /* -h NUM */
-
-/* Flag that determines how we map names. This takes several values, and
- * is set with the -h switch. A value of zero implies names should be
- * upper case, and the presence of the -h switch inhibits the case hack.
- * No -h switch at all sets alpha_vms_name_mapping to 0, and allows case hacking.
- * A value of 2 (set with -h2) implies names should be
- * all lower case, with no case hack. A value of 3 (set with -h3) implies
- * that case should be preserved. */
-
-/* If the -+ switch is given, then the hash is appended to any name that is
- * longer than 31 characters, regardless of the setting of the -h switch.
- */
-static char alpha_vms_name_mapping = 0;
+/* If the -+ switch is given, then a hash is appended to any name that is
+ * longer than 64 characters, else longer symbol names are truncated.
+ */
-static int alpha_basereg_clobbered;
#endif
\f
+#ifdef RELOC_OP_P
+/* A table to map the spelling of a relocation operand into an appropriate
+ bfd_reloc_code_real_type type. The table is assumed to be ordered such
+ that op-O_literal indexes into it. */
+
+#define ALPHA_RELOC_TABLE(op) \
+(&alpha_reloc_op[ ((!USER_RELOC_P (op)) \
+ ? (abort (), 0) \
+ : (int) (op) - (int) O_literal) ])
+
+#define DEF(NAME, RELOC, REQ, ALLOW) \
+ { #NAME, sizeof(#NAME)-1, O_##NAME, RELOC, REQ, ALLOW}
+
+static const struct alpha_reloc_op_tag {
+ const char *name; /* string to lookup */
+ size_t length; /* size of the string */
+ operatorT op; /* which operator to use */
+ bfd_reloc_code_real_type reloc; /* relocation before frob */
+ unsigned int require_seq : 1; /* require a sequence number */
+ unsigned int allow_seq : 1; /* allow a sequence number */
+} alpha_reloc_op[] = {
+ DEF(literal, BFD_RELOC_ALPHA_ELF_LITERAL, 0, 1),
+ DEF(lituse_addr, DUMMY_RELOC_LITUSE_ADDR, 1, 1),
+ DEF(lituse_base, DUMMY_RELOC_LITUSE_BASE, 1, 1),
+ DEF(lituse_bytoff, DUMMY_RELOC_LITUSE_BYTOFF, 1, 1),
+ DEF(lituse_jsr, DUMMY_RELOC_LITUSE_JSR, 1, 1),
+ DEF(gpdisp, BFD_RELOC_ALPHA_GPDISP, 1, 1),
+ DEF(gprelhigh, BFD_RELOC_ALPHA_GPREL_HI16, 0, 0),
+ DEF(gprellow, BFD_RELOC_ALPHA_GPREL_LO16, 0, 0),
+ DEF(gprel, BFD_RELOC_GPREL16, 0, 0),
+ DEF(samegp, BFD_RELOC_ALPHA_BRSGP, 0, 0)
+};
+
+#undef DEF
+
+static const int alpha_num_reloc_op
+ = sizeof (alpha_reloc_op) / sizeof (*alpha_reloc_op);
+#endif /* RELOC_OP_P */
+
+/* Maximum # digits needed to hold the largest sequence # */
+#define ALPHA_RELOC_DIGITS 25
+
+/* Structure to hold explict sequence information. */
+struct alpha_reloc_tag
+{
+ fixS *slaves; /* head of linked list of !literals */
+ segT segment; /* segment relocs are in or undefined_section*/
+ long sequence; /* sequence # */
+ unsigned n_master; /* # of literals */
+ unsigned n_slaves; /* # of lituses */
+ char multi_section_p; /* True if more than one section was used */
+ char string[1]; /* printable form of sequence to hash with */
+};
+
+/* Hash table to link up literals with the appropriate lituse */
+static struct hash_control *alpha_literal_hash;
+
+/* Sequence numbers for internal use by macros. */
+static long next_sequence_num = -1;
+\f
+/* A table of CPU names and opcode sets. */
+
+static const struct cpu_type {
+ const char *name;
+ unsigned flags;
+} cpu_types[] = {
+ /* Ad hoc convention: cpu number gets palcode, process code doesn't.
+ This supports usage under DU 4.0b that does ".arch ev4", and
+ usage in MILO that does -m21064. Probably something more
+ specific like -m21064-pal should be used, but oh well. */
+
+ { "21064", AXP_OPCODE_BASE|AXP_OPCODE_EV4 },
+ { "21064a", AXP_OPCODE_BASE|AXP_OPCODE_EV4 },
+ { "21066", AXP_OPCODE_BASE|AXP_OPCODE_EV4 },
+ { "21068", AXP_OPCODE_BASE|AXP_OPCODE_EV4 },
+ { "21164", AXP_OPCODE_BASE|AXP_OPCODE_EV5 },
+ { "21164a", AXP_OPCODE_BASE|AXP_OPCODE_EV5|AXP_OPCODE_BWX },
+ { "21164pc", (AXP_OPCODE_BASE|AXP_OPCODE_EV5|AXP_OPCODE_BWX
+ |AXP_OPCODE_MAX) },
+ { "21264", (AXP_OPCODE_BASE|AXP_OPCODE_EV6|AXP_OPCODE_BWX
+ |AXP_OPCODE_MAX|AXP_OPCODE_CIX) },
+
+ { "ev4", AXP_OPCODE_BASE },
+ { "ev45", AXP_OPCODE_BASE },
+ { "lca45", AXP_OPCODE_BASE },
+ { "ev5", AXP_OPCODE_BASE },
+ { "ev56", AXP_OPCODE_BASE|AXP_OPCODE_BWX },
+ { "pca56", AXP_OPCODE_BASE|AXP_OPCODE_BWX|AXP_OPCODE_MAX },
+ { "ev6", AXP_OPCODE_BASE|AXP_OPCODE_BWX|AXP_OPCODE_MAX|AXP_OPCODE_CIX },
+
+ { "all", AXP_OPCODE_BASE },
+ { 0, 0 }
+};
+
/* The macro table */
static const struct alpha_macro alpha_macros[] = {
/* Load/Store macros */
{ "lda", emit_lda, NULL,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldah", emit_ldah, NULL,
{ MACRO_IR, MACRO_EXP, MACRO_EOA } },
{ "ldl", emit_ir_load, "ldl",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldl_l", emit_ir_load, "ldl_l",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq", emit_ir_load, "ldq",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq_l", emit_ir_load, "ldq_l",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq_u", emit_ir_load, "ldq_u",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldf", emit_loadstore, "ldf",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldg", emit_loadstore, "ldg",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "lds", emit_loadstore, "lds",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldt", emit_loadstore, "ldt",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
-
- { "ldb", emit_ldX, (void *)0,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ldbu", emit_ldXu, (void *)0,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ldw", emit_ldX, (void *)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ldwu", emit_ldXu, (void *)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
-
- { "uldw", emit_uldX, (void*)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "uldwu", emit_uldXu, (void*)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "uldl", emit_uldX, (void*)2,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "uldlu", emit_uldXu, (void*)2,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "uldq", emit_uldXu, (void*)3,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+
+ { "ldb", emit_ldX, (PTR) 0,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ldbu", emit_ldXu, (PTR) 0,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ldw", emit_ldX, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ldwu", emit_ldXu, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+
+ { "uldw", emit_uldX, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "uldwu", emit_uldXu, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "uldl", emit_uldX, (PTR) 2,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "uldlu", emit_uldXu, (PTR) 2,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "uldq", emit_uldXu, (PTR) 3,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldgp", emit_ldgp, NULL,
{ MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA } },
#endif
{ "stl", emit_loadstore, "stl",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stl_c", emit_loadstore, "stl_c",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq", emit_loadstore, "stq",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq_c", emit_loadstore, "stq_c",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq_u", emit_loadstore, "stq_u",
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stf", emit_loadstore, "stf",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stg", emit_loadstore, "stg",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "sts", emit_loadstore, "sts",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stt", emit_loadstore, "stt",
- { MACRO_FPR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_FPR, MACRO_EXP, MACRO_EOA } },
-
- { "stb", emit_stX, (void*)0,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "stw", emit_stX, (void*)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ustw", emit_ustX, (void*)1,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ustl", emit_ustX, (void*)2,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
- { "ustq", emit_ustX, (void*)3,
- { MACRO_IR, MACRO_EXP, MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+
+ { "stb", emit_stX, (PTR) 0,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "stw", emit_stX, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ustw", emit_ustX, (PTR) 1,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ustl", emit_ustX, (PTR) 2,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
+ { "ustq", emit_ustX, (PTR) 3,
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
/* Arithmetic macros */
#if 0
{ "absq" emit_absq, 2, { EXP, IR } },
#endif
- { "sextb", emit_sextX, (void *)0,
+ { "sextb", emit_sextX, (PTR) 0,
{ MACRO_IR, MACRO_IR, MACRO_EOA,
MACRO_IR, MACRO_EOA,
/* MACRO_EXP, MACRO_IR, MACRO_EOA */ } },
- { "sextw", emit_sextX, (void *)1,
+ { "sextw", emit_sextX, (PTR) 1,
{ MACRO_IR, MACRO_IR, MACRO_EOA,
MACRO_IR, MACRO_EOA,
/* MACRO_EXP, MACRO_IR, MACRO_EOA */ } },
{ "jsr", emit_jsrjmp, "jsr",
{ MACRO_PIR, MACRO_EXP, MACRO_EOA,
MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA,
+ MACRO_IR, MACRO_EXP, MACRO_EOA,
MACRO_EXP, MACRO_EOA } },
{ "jmp", emit_jsrjmp, "jmp",
{ MACRO_PIR, MACRO_EXP, MACRO_EOA,
MACRO_PIR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_EOA,
+ MACRO_IR, MACRO_EXP, MACRO_EOA,
MACRO_EXP, MACRO_EOA } },
{ "ret", emit_retjcr, "ret",
{ MACRO_IR, MACRO_EXP, MACRO_EOA,
MACRO_EOA } },
};
-static const int alpha_num_macros
- = sizeof(alpha_macros) / sizeof(*alpha_macros);
+static const unsigned int alpha_num_macros
+ = sizeof (alpha_macros) / sizeof (*alpha_macros);
\f
/* Public interface functions */
void
md_begin ()
{
- unsigned int i = 0;
+ unsigned int i;
+
+ /* Verify that X_op field is wide enough. */
+ {
+ expressionS e;
+ e.X_op = O_max;
+ assert (e.X_op == O_max);
+ }
/* Create the opcode hash table */
alpha_opcode_hash = hash_new ();
- for (i = 0; i < alpha_num_opcodes; )
+ for (i = 0; i < alpha_num_opcodes;)
{
- const char *name, *retval;
+ const char *name, *retval, *slash;
name = alpha_opcodes[i].name;
- retval = hash_insert (alpha_opcode_hash, name, (PTR)&alpha_opcodes[i]);
+ retval = hash_insert (alpha_opcode_hash, name, (PTR) &alpha_opcodes[i]);
if (retval)
- as_fatal ("internal error: can't hash opcode `%s': %s", name, retval);
+ as_fatal (_("internal error: can't hash opcode `%s': %s"),
+ name, retval);
- while (++i < alpha_num_opcodes
- && (alpha_opcodes[i].name == name
- || !strcmp (alpha_opcodes[i].name, name)))
- continue;
- }
+ /* Some opcodes include modifiers of various sorts with a "/mod"
+ syntax, like the architecture manual suggests. However, for
+ use with gcc at least, we also need access to those same opcodes
+ without the "/". */
- /* Some opcodes include modifiers of various sorts with a "/mod" syntax,
- like the architecture manual suggests. However, for use with gcc at
- least, we also need access to those same opcodes without the "/". */
- for (i = 0; i < alpha_num_opcodes; )
- {
- const char *name, *slash;
- name = alpha_opcodes[i].name;
- if ((slash = strchr(name, '/')) != NULL)
+ if ((slash = strchr (name, '/')) != NULL)
{
char *p = xmalloc (strlen (name));
- memcpy(p, name, slash-name);
- strcpy(p+(slash-name), slash+1);
+ memcpy (p, name, slash - name);
+ strcpy (p + (slash - name), slash + 1);
- (void)hash_insert(alpha_opcode_hash, p, (PTR)&alpha_opcodes[i]);
+ (void) hash_insert (alpha_opcode_hash, p, (PTR) &alpha_opcodes[i]);
/* Ignore failures -- the opcode table does duplicate some
variants in different forms, like "hw_stq" and "hw_st/q". */
}
/* Create the macro hash table */
alpha_macro_hash = hash_new ();
- for (i = 0; i < alpha_num_macros; )
+ for (i = 0; i < alpha_num_macros;)
{
const char *name, *retval;
name = alpha_macros[i].name;
- retval = hash_insert (alpha_macro_hash, name, (PTR)&alpha_macros[i]);
+ retval = hash_insert (alpha_macro_hash, name, (PTR) &alpha_macros[i]);
if (retval)
- as_fatal ("internal error: can't hash macro `%s': %s", name, retval);
+ as_fatal (_("internal error: can't hash macro `%s': %s"),
+ name, retval);
while (++i < alpha_num_macros
&& (alpha_macros[i].name == name
for (i = 0; i < 32; ++i)
{
char name[4];
- sprintf(name, "$%d", i);
- alpha_register_table[i] = symbol_create(name, reg_section, i,
- &zero_address_frag);
+ sprintf (name, "$%d", i);
+ alpha_register_table[i] = symbol_create (name, reg_section, i,
+ &zero_address_frag);
}
for (; i < 64; ++i)
{
char name[5];
- sprintf(name, "$f%d", i-32);
- alpha_register_table[i] = symbol_create(name, reg_section, i,
- &zero_address_frag);
+ sprintf (name, "$f%d", i - 32);
+ alpha_register_table[i] = symbol_create (name, reg_section, i,
+ &zero_address_frag);
}
/* Create the special symbols and sections we'll be using */
/* So .sbss will get used for tiny objects. */
- bfd_set_gp_size (stdoutput, 8);
+ bfd_set_gp_size (stdoutput, g_switch_value);
#ifdef OBJ_ECOFF
create_literal_section (".lita", &alpha_lita_section, &alpha_lita_symbol);
#ifdef OBJ_ELF
if (ECOFF_DEBUGGING)
{
- segT sec;
-
- sec = subseg_new(".mdebug", (subsegT)0);
- bfd_set_section_flags(stdoutput, sec, SEC_HAS_CONTENTS|SEC_READONLY);
- bfd_set_section_alignment(stdoutput, sec, 3);
-
-#ifdef ERIC_neverdef
- sec = subseg_new(".reginfo", (subsegT)0);
- /* The ABI says this section should be loaded so that the running
- program can access it. */
- bfd_set_section_flags(stdoutput, sec,
- SEC_ALLOC|SEC_LOAD|SEC_READONLY|SEC_DATA);
- bfd_set_section_alignement(stdoutput, sec, 3);
-#endif
+ segT sec = subseg_new (".mdebug", (subsegT) 0);
+ bfd_set_section_flags (stdoutput, sec, SEC_HAS_CONTENTS | SEC_READONLY);
+ bfd_set_section_alignment (stdoutput, sec, 3);
}
#endif /* OBJ_ELF */
- subseg_set(text_section, 0);
+ /* Create literal lookup hash table. */
+ alpha_literal_hash = hash_new ();
+
+ subseg_set (text_section, 0);
}
/* The public interface to the instruction assembler. */
{
char opname[32]; /* current maximum is 13 */
expressionS tok[MAX_INSN_ARGS];
- int ntok, opnamelen, trunclen;
+ int ntok, trunclen;
+ size_t opnamelen;
/* split off the opcode */
- opnamelen = strspn (str, "abcdefghijklmnopqrstuvwxyz_/48");
+ opnamelen = strspn (str, "abcdefghijklmnopqrstuvwxyz_/46819");
trunclen = (opnamelen < sizeof (opname) - 1
? opnamelen
: sizeof (opname) - 1);
/* tokenize the rest of the line */
if ((ntok = tokenize_arguments (str + opnamelen, tok, MAX_INSN_ARGS)) < 0)
{
- as_bad ("syntax error");
+ if (ntok != TOKENIZE_ERROR_REPORT)
+ as_bad (_("syntax error"));
+
return;
}
segT seg;
valueT size;
{
- int align = bfd_get_section_alignment(stdoutput, seg);
- valueT mask = ((valueT)1 << align) - 1;
+ int align = bfd_get_section_alignment (stdoutput, seg);
+ valueT mask = ((valueT) 1 << align) - 1;
return (size + mask) & ~mask;
}
/* Turn a string in input_line_pointer into a floating point constant
- of type type, and store the appropriate bytes in *litP. The number
- of LITTLENUMS emitted is stored in *sizeP. An error message is
+ of type TYPE, and store the appropriate bytes in *LITP. The number
+ of LITTLENUMS emitted is stored in *SIZEP. An error message is
returned, or NULL on OK. */
/* Equal to MAX_PRECISION in atof-ieee.c */
#define MAX_LITTLENUMS 6
+extern char *vax_md_atof PARAMS ((int, char *, int *));
+
char *
md_atof (type, litP, sizeP)
char type;
LITTLENUM_TYPE words[MAX_LITTLENUMS];
LITTLENUM_TYPE *wordP;
char *t;
- char *atof_ieee (), *vax_md_atof ();
switch (type)
{
default:
*sizeP = 0;
- return "Bad call to MD_ATOF()";
+ return _("Bad call to MD_ATOF()");
}
t = atof_ieee (input_line_pointer, type, words);
if (t)
break;
case 'g':
- /* Ignore `-g' so gcc can provide this option to the Digital
- UNIX assembler, which otherwise would throw away info that
- mips-tfile needs. */
+ alpha_debug = 1;
+ break;
+
+ case 'G':
+ g_switch_value = atoi (arg);
break;
case 'm':
{
- static const struct machine
- {
- const char *name;
- unsigned flags;
- } *p, m[] =
- {
- { "21064", AXP_OPCODE_EV4|AXP_OPCODE_ALL },
- { "21066", AXP_OPCODE_EV4|AXP_OPCODE_ALL },
- { "21164", AXP_OPCODE_EV5|AXP_OPCODE_ALL },
- { "21164a", AXP_OPCODE_EV56|AXP_OPCODE_ALL },
- { "ev4", AXP_OPCODE_EV4|AXP_OPCODE_ALL },
- { "ev45", AXP_OPCODE_EV4|AXP_OPCODE_ALL },
- { "ev5", AXP_OPCODE_EV5|AXP_OPCODE_ALL },
- { "ev56", AXP_OPCODE_EV56|AXP_OPCODE_ALL },
- { "all", AXP_OPCODE_ALL },
- { 0 }
- };
-
- for (p = m; p->name; ++p)
- if (strcmp(arg, p->name) == 0)
+ const struct cpu_type *p;
+ for (p = cpu_types; p->name; ++p)
+ if (strcmp (arg, p->name) == 0)
{
alpha_target_name = p->name, alpha_target = p->flags;
goto found;
}
- as_warn("Unknown CPU identifier `%s'", arg);
+ as_warn (_("Unknown CPU identifier `%s'"), arg);
found:;
}
break;
-#if OBJ_EVAX
- case '+': /* For g++. Hash any name > 31 chars long. */
+#ifdef OBJ_EVAX
+ case '+': /* For g++. Hash any name > 63 chars long. */
alpha_flag_hash_long_names = 1;
break;
alpha_flag_show_after_trunc = 1;
break;
- case 'h': /* No hashing of mixed-case names */
- {
- alpha_vms_name_mapping = atoi (arg);
- alpha_flag_no_hash_mixed_case = 1;
- }
+ case 'h': /* for gnu-c/vax compatibility. */
+ break;
+#endif
+
+ case OPTION_RELAX:
+ alpha_flag_relax = 1;
+ break;
+
+#ifdef OBJ_ELF
+ case OPTION_MDEBUG:
+ alpha_flag_mdebug = 1;
+ break;
+ case OPTION_NO_MDEBUG:
+ alpha_flag_mdebug = 0;
break;
#endif
md_show_usage (stream)
FILE *stream;
{
- fputs("\
+ fputs (_("\
Alpha options:\n\
-32addr treat addresses as 32-bit values\n\
-F lack floating point instructions support\n\
--m21064 | -m21066 | -m21164 | -m21164a\n\
--mev4 | -mev45 | -mev5 | -mev56 | -mall\n\
- specify variant of Alpha architecture\n",
+-mev4 | -mev45 | -mev5 | -mev56 | -mpca56 | -mev6 | -mall\n\
+ specify variant of Alpha architecture\n\
+-m21064 | -m21066 | -m21164 | -m21164a | -m21164pc | -m21264\n\
+ these variants include PALcode opcodes\n"),
stream);
#ifdef OBJ_EVAX
- fputs ("\
+ fputs (_("\
VMS options:\n\
--+ hash encode names longer than 31 characters\n\
--H show new symbol after hash truncation\n\
--h NUM don't hash mixed-case names, and adjust case:\n\
- 0 = upper, 2 = lower, 3 = preserve case\n",
+-+ hash encode (don't truncate) names longer than 64 characters\n\
+-H show new symbol after hash truncation\n"),
stream);
#endif
}
the distance to the "lda" instruction for setting the addend to
GPDISP. */
-int
-md_apply_fix (fixP, valueP)
+void
+md_apply_fix3 (fixP, valP, seg)
fixS *fixP;
- valueT *valueP;
+ valueT * valP;
+ segT seg;
{
char * const fixpos = fixP->fx_frag->fr_literal + fixP->fx_where;
- valueT value = *valueP;
+ valueT value = * valP;
unsigned image, size;
switch (fixP->fx_r_type)
case BFD_RELOC_ALPHA_GPDISP_HI16:
{
fixS *next = fixP->fx_next;
- assert (next->fx_r_type == BFD_RELOC_ALPHA_GPDISP_LO16);
- fixP->fx_offset = (next->fx_frag->fr_address + next->fx_where
- - fixP->fx_frag->fr_address - fixP->fx_where);
+ /* With user-specified !gpdisp relocations, we can be missing
+ the matching LO16 reloc. We will have already issued an
+ error message. */
+ if (next)
+ fixP->fx_offset = (next->fx_frag->fr_address + next->fx_where
+ - fixP->fx_frag->fr_address - fixP->fx_where);
value = (value - sign_extend_16 (value)) >> 16;
}
#endif
do_reloc_gp:
- fixP->fx_addsy = section_symbol (absolute_section);
+ fixP->fx_addsy = section_symbol (seg);
md_number_to_chars (fixpos, value, 2);
break;
case BFD_RELOC_16:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_16_PCREL;
size = 2;
goto do_reloc_xx;
case BFD_RELOC_32:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_32_PCREL;
size = 4;
goto do_reloc_xx;
case BFD_RELOC_64:
+ if (fixP->fx_pcrel)
+ fixP->fx_r_type = BFD_RELOC_64_PCREL;
size = 8;
do_reloc_xx:
if (fixP->fx_pcrel == 0 && fixP->fx_addsy == 0)
md_number_to_chars (fixpos, value, size);
goto done;
}
- return 1;
+ return;
#ifdef OBJ_ECOFF
case BFD_RELOC_GPREL32:
/* FIXME: inherited this obliviousness of `value' -- why? */
md_number_to_chars (fixpos, -alpha_gp_value, 4);
break;
-#endif
-#ifdef OBJ_ELF
+#else
case BFD_RELOC_GPREL32:
- return 1;
#endif
+ case BFD_RELOC_GPREL16:
+ case BFD_RELOC_ALPHA_GPREL_HI16:
+ case BFD_RELOC_ALPHA_GPREL_LO16:
+ return;
case BFD_RELOC_23_PCREL_S2:
if (fixP->fx_pcrel == 0 && fixP->fx_addsy == 0)
{
- image = bfd_getl32(fixpos);
+ image = bfd_getl32 (fixpos);
image = (image & ~0x1FFFFF) | ((value >> 2) & 0x1FFFFF);
goto write_done;
}
- return 1;
+ return;
case BFD_RELOC_ALPHA_HINT:
if (fixP->fx_pcrel == 0 && fixP->fx_addsy == 0)
{
- image = bfd_getl32(fixpos);
+ image = bfd_getl32 (fixpos);
image = (image & ~0x3FFF) | ((value >> 2) & 0x3FFF);
goto write_done;
}
- return 1;
+ return;
+
+#ifdef OBJ_ELF
+ case BFD_RELOC_ALPHA_BRSGP:
+ return;
+#endif
#ifdef OBJ_ECOFF
case BFD_RELOC_ALPHA_LITERAL:
md_number_to_chars (fixpos, value, 2);
- return 1;
-
- case BFD_RELOC_ALPHA_LITUSE:
- return 1;
+ return;
#endif
-#ifdef OBJ_ELF
- case BFD_RELOC_ALPHA_LITERAL:
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
case BFD_RELOC_ALPHA_LITUSE:
- return 1;
-#endif
-#ifdef OBJ_EVAX
case BFD_RELOC_ALPHA_LINKAGE:
- return 1;
-#endif
+ case BFD_RELOC_ALPHA_CODEADDR:
+ return;
+
+ case BFD_RELOC_VTABLE_INHERIT:
+ case BFD_RELOC_VTABLE_ENTRY:
+ return;
default:
{
const struct alpha_operand *operand;
- if (fixP->fx_r_type <= BFD_RELOC_UNUSED)
- as_fatal ("unhandled relocation type %s",
+ if ((int) fixP->fx_r_type >= 0)
+ as_fatal (_("unhandled relocation type %s"),
bfd_get_reloc_code_name (fixP->fx_r_type));
- assert (fixP->fx_r_type < BFD_RELOC_UNUSED + alpha_num_operands);
- operand = &alpha_operands[fixP->fx_r_type - BFD_RELOC_UNUSED];
+ assert (-(int) fixP->fx_r_type < (int) alpha_num_operands);
+ operand = &alpha_operands[-(int) fixP->fx_r_type];
/* The rest of these fixups only exist internally during symbol
- resolution and have no representation in the object file.
+ resolution and have no representation in the object file.
Therefore they must be completely resolved as constants. */
if (fixP->fx_addsy != 0
- && fixP->fx_addsy->bsym->section != absolute_section)
+ && S_GET_SEGMENT (fixP->fx_addsy) != absolute_section)
as_bad_where (fixP->fx_file, fixP->fx_line,
- "non-absolute expression in constant field");
+ _("non-absolute expression in constant field"));
- image = bfd_getl32(fixpos);
- image = insert_operand(image, operand, (offsetT)value,
- fixP->fx_file, fixP->fx_line);
+ image = bfd_getl32 (fixpos);
+ image = insert_operand (image, operand, (offsetT) value,
+ fixP->fx_file, fixP->fx_line);
}
goto write_done;
}
if (fixP->fx_addsy != 0 || fixP->fx_pcrel != 0)
- return 1;
+ return;
else
{
- as_warn_where(fixP->fx_file, fixP->fx_line,
- "type %d reloc done?\n", fixP->fx_r_type);
+ as_warn_where (fixP->fx_file, fixP->fx_line,
+ _("type %d reloc done?\n"), (int) fixP->fx_r_type);
goto done;
}
-
+
write_done:
- md_number_to_chars(fixpos, image, 4);
+ md_number_to_chars (fixpos, image, 4);
done:
fixP->fx_done = 1;
- return 0;
}
-/*
- * Look for a register name in the given symbol.
- */
+/* Look for a register name in the given symbol. */
symbolS *
-md_undefined_symbol(name)
+md_undefined_symbol (name)
char *name;
{
if (*name == '$')
/* FALLTHRU */
case 'r':
- if (!isdigit(*++name))
+ if (!ISDIGIT (*++name))
break;
/* FALLTHRU */
case '5': case '6': case '7': case '8': case '9':
if (name[1] == '\0')
num = name[0] - '0';
- else if (name[0] != '0' && isdigit(name[1]) && name[2] == '\0')
+ else if (name[0] != '0' && ISDIGIT (name[1]) && name[2] == '\0')
{
- num = (name[0] - '0')*10 + name[1] - '0';
+ num = (name[0] - '0') * 10 + name[1] - '0';
if (num >= 32)
break;
}
else
break;
- if (!alpha_noat_on && num == AXP_REG_AT)
- as_warn("Used $at without \".set noat\"");
+ if (!alpha_noat_on && (num + is_float) == AXP_REG_AT)
+ as_warn (_("Used $at without \".set noat\""));
return alpha_register_table[num + is_float];
case 'a':
if (name[1] == 't' && name[2] == '\0')
{
if (!alpha_noat_on)
- as_warn("Used $at without \".set noat\"");
+ as_warn (_("Used $at without \".set noat\""));
return alpha_register_table[AXP_REG_AT];
}
break;
alpha_insn_label = sym;
}
+/* If we have a BRSGP reloc to a local symbol, adjust it to BRADDR and
+ let it get resolved at assembly time. */
+
+void
+alpha_validate_fix (f)
+ fixS *f;
+{
+#ifdef OBJ_ELF
+ int offset = 0;
+ const char *name;
+
+ if (f->fx_r_type != BFD_RELOC_ALPHA_BRSGP)
+ return;
+
+ if (! S_IS_DEFINED (f->fx_addsy))
+ return;
+
+ switch (S_GET_OTHER (f->fx_addsy) & STO_ALPHA_STD_GPLOAD)
+ {
+ case STO_ALPHA_NOPV:
+ break;
+ case STO_ALPHA_STD_GPLOAD:
+ offset = 8;
+ break;
+ default:
+ if (S_IS_LOCAL (f->fx_addsy))
+ name = "<local>";
+ else
+ name = S_GET_NAME (f->fx_addsy);
+ as_bad_where (f->fx_file, f->fx_line,
+ _("!samegp reloc against symbol without .prologue: %s"),
+ name);
+ break;
+ }
+
+ if (! (S_IS_EXTERN (f->fx_addsy) || S_IS_WEAK (f->fx_addsy)))
+ {
+ f->fx_r_type = BFD_RELOC_23_PCREL_S2;
+ f->fx_offset += offset;
+ }
+#endif
+}
+
/* 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
alpha_force_relocation (f)
fixS *f;
{
+ if (alpha_flag_relax)
+ return 1;
+
switch (f->fx_r_type)
{
case BFD_RELOC_ALPHA_GPDISP_HI16:
case BFD_RELOC_ALPHA_GPDISP_LO16:
case BFD_RELOC_ALPHA_GPDISP:
case BFD_RELOC_ALPHA_LITERAL:
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
case BFD_RELOC_ALPHA_LITUSE:
+ case BFD_RELOC_GPREL16:
case BFD_RELOC_GPREL32:
-#ifdef OBJ_EVAX
+ case BFD_RELOC_ALPHA_GPREL_HI16:
+ case BFD_RELOC_ALPHA_GPREL_LO16:
case BFD_RELOC_ALPHA_LINKAGE:
-#endif
+ case BFD_RELOC_ALPHA_CODEADDR:
+ case BFD_RELOC_ALPHA_BRSGP:
+ case BFD_RELOC_VTABLE_INHERIT:
+ case BFD_RELOC_VTABLE_ENTRY:
return 1;
case BFD_RELOC_23_PCREL_S2:
return 0;
default:
- assert(f->fx_r_type > BFD_RELOC_UNUSED &&
- f->fx_r_type < BFD_RELOC_UNUSED + alpha_num_operands);
return 0;
}
}
{
#ifdef OBJ_ELF
/* Prevent all adjustments to global symbols */
- if (S_IS_EXTERN (f->fx_addsy))
+ if (S_IS_EXTERN (f->fx_addsy) || S_IS_WEAK (f->fx_addsy))
return 0;
#endif
but we can adjust the values contained within it? */
switch (f->fx_r_type)
{
+ case BFD_RELOC_ALPHA_GPDISP_HI16:
+ case BFD_RELOC_ALPHA_GPDISP_LO16:
+ case BFD_RELOC_ALPHA_GPDISP:
+ case BFD_RELOC_ALPHA_BRSGP:
+ return 0;
+
+ case BFD_RELOC_ALPHA_LITERAL:
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
+ case BFD_RELOC_ALPHA_LITUSE:
+ case BFD_RELOC_ALPHA_LINKAGE:
+ case BFD_RELOC_ALPHA_CODEADDR:
+ return 1;
+
+ case BFD_RELOC_VTABLE_ENTRY:
+ case BFD_RELOC_VTABLE_INHERIT:
+ return 0;
+
+ case BFD_RELOC_GPREL16:
case BFD_RELOC_GPREL32:
+ case BFD_RELOC_ALPHA_GPREL_HI16:
+ case BFD_RELOC_ALPHA_GPREL_LO16:
+ case BFD_RELOC_23_PCREL_S2:
+ case BFD_RELOC_32:
+ case BFD_RELOC_64:
+ case BFD_RELOC_ALPHA_HINT:
return 1;
+
default:
- return !alpha_force_relocation (f);
+ return 1;
}
/*NOTREACHED*/
}
arelent *
tc_gen_reloc (sec, fixp)
- asection *sec;
+ asection *sec ATTRIBUTE_UNUSED;
fixS *fixp;
{
arelent *reloc;
- reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
- reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
+ reloc = (arelent *) xmalloc (sizeof (arelent));
+ reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
/* Make sure none of our internal relocations make it this far.
They'd better have been fully resolved by this point. */
- assert (fixp->fx_r_type < BFD_RELOC_UNUSED);
+ assert ((int) fixp->fx_r_type > 0);
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
if (reloc->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
- "cannot represent `%s' relocation in object file",
+ _("cannot represent `%s' relocation in object file"),
bfd_get_reloc_code_name (fixp->fx_r_type));
return NULL;
}
if (!fixp->fx_pcrel != !reloc->howto->pc_relative)
{
- as_fatal ("internal error? cannot generate `%s' relocation",
+ as_fatal (_("internal error? cannot generate `%s' relocation"),
bfd_get_reloc_code_name (fixp->fx_r_type));
}
assert (!fixp->fx_pcrel == !reloc->howto->pc_relative);
{
reloc->addend = fixp->fx_offset;
#ifdef OBJ_ELF
- /*
+ /*
* Ohhh, this is ugly. The problem is that if this is a local global
* symbol, the relocation will entirely be performed at link time, not
* at assembly time. bfd_perform_reloc doesn't know about this sort
* of thing, and as a result we need to fake it out here.
*/
- if (S_IS_EXTERN (fixp->fx_addsy) && !S_IS_COMMON(fixp->fx_addsy))
- reloc->addend -= fixp->fx_addsy->bsym->value;
+ if ((S_IS_EXTERN (fixp->fx_addsy) || S_IS_WEAK (fixp->fx_addsy)
+ || (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_MERGE)
+ || (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_THREAD_LOCAL))
+ && !S_IS_COMMON (fixp->fx_addsy))
+ reloc->addend -= symbol_get_bfdsym (fixp->fx_addsy)->value;
#endif
}
int
tc_get_register (frame)
- int frame;
+ int frame ATTRIBUTE_UNUSED;
{
int framereg = AXP_REG_SP;
char c = get_symbol_end ();
symbolS *sym = md_undefined_symbol (s);
- *strchr(s, '\0') = c;
+ *strchr (s, '\0') = c;
if (sym && (framereg = S_GET_VALUE (sym)) <= 31)
goto found;
}
- as_warn ("frame reg expected, using $%d.", framereg);
+ as_warn (_("frame reg expected, using $%d."), framereg);
found:
note_gpreg (framereg);
return framereg;
}
+/* This is called before the symbol table is processed. In order to
+ work with gcc when using mips-tfile, we must keep all local labels.
+ However, in other cases, we want to discard them. If we were
+ called with -g, but we didn't see any debugging information, it may
+ mean that gcc is smuggling debugging information through to
+ mips-tfile, in which case we must generate all local labels. */
+
+#ifdef OBJ_ECOFF
+
+void
+alpha_frob_file_before_adjust ()
+{
+ if (alpha_debug != 0
+ && ! ecoff_debugging_seen)
+ flag_keep_locals = 1;
+}
+
+#endif /* OBJ_ECOFF */
+\f
+static struct alpha_reloc_tag *
+get_alpha_reloc_tag (sequence)
+ long sequence;
+{
+ char buffer[ALPHA_RELOC_DIGITS];
+ struct alpha_reloc_tag *info;
+
+ sprintf (buffer, "!%ld", sequence);
+
+ info = (struct alpha_reloc_tag *) hash_find (alpha_literal_hash, buffer);
+ if (! info)
+ {
+ size_t len = strlen (buffer);
+ const char *errmsg;
+
+ info = (struct alpha_reloc_tag *)
+ xcalloc (sizeof (struct alpha_reloc_tag) + len, 1);
+
+ info->segment = now_seg;
+ info->sequence = sequence;
+ strcpy (info->string, buffer);
+ errmsg = hash_insert (alpha_literal_hash, info->string, (PTR) info);
+ if (errmsg)
+ as_fatal (errmsg);
+ }
+
+ return info;
+}
+
+/* Before the relocations are written, reorder them, so that user
+ supplied !lituse relocations follow the appropriate !literal
+ relocations, and similarly for !gpdisp relocations. */
+
+void
+alpha_adjust_symtab ()
+{
+ if (alpha_literal_hash)
+ bfd_map_over_sections (stdoutput, alpha_adjust_symtab_relocs, NULL);
+}
+
+static void
+alpha_adjust_symtab_relocs (abfd, sec, ptr)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *sec;
+ PTR ptr ATTRIBUTE_UNUSED;
+{
+ segment_info_type *seginfo = seg_info (sec);
+ fixS **prevP;
+ fixS *fixp;
+ fixS *next;
+ fixS *slave;
+ unsigned long n_slaves = 0;
+
+ /* If seginfo is NULL, we did not create this section; don't do
+ anything with it. By using a pointer to a pointer, we can update
+ the links in place. */
+ if (seginfo == NULL)
+ return;
+
+ /* If there are no relocations, skip the section. */
+ if (! seginfo->fix_root)
+ return;
+
+ /* First rebuild the fixup chain without the expicit lituse and
+ gpdisp_lo16 relocs. */
+ prevP = &seginfo->fix_root;
+ for (fixp = seginfo->fix_root; fixp; fixp = next)
+ {
+ next = fixp->fx_next;
+ fixp->fx_next = (fixS *) 0;
+
+ switch (fixp->fx_r_type)
+ {
+ case BFD_RELOC_ALPHA_LITUSE:
+ n_slaves++;
+ if (fixp->tc_fix_data.info->n_master == 0)
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("No !literal!%ld was found"),
+ fixp->tc_fix_data.info->sequence);
+ break;
+
+ case BFD_RELOC_ALPHA_GPDISP_LO16:
+ n_slaves++;
+ if (fixp->tc_fix_data.info->n_master == 0)
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("No ldah !gpdisp!%ld was found"),
+ fixp->tc_fix_data.info->sequence);
+ break;
+
+ default:
+ *prevP = fixp;
+ prevP = &fixp->fx_next;
+ break;
+ }
+ }
+
+ /* If there were any dependent relocations, go and add them back to
+ the chain. They are linked through the next_reloc field in
+ reverse order, so as we go through the next_reloc chain, we
+ effectively reverse the chain once again.
+
+ Except if there is more than one !literal for a given sequence
+ number. In that case, the programmer and/or compiler is not sure
+ how control flows from literal to lituse, and we can't be sure to
+ get the relaxation correct.
+
+ ??? Well, actually we could, if there are enough lituses such that
+ we can make each literal have at least one of each lituse type
+ present. Not implemented.
+
+ Also suppress the optimization if the !literals/!lituses are spread
+ in different segments. This can happen with "intersting" uses of
+ inline assembly; examples are present in the Linux kernel semaphores. */
+
+ for (fixp = seginfo->fix_root; fixp; fixp = next)
+ {
+ next = fixp->fx_next;
+ switch (fixp->fx_r_type)
+ {
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
+ if (fixp->tc_fix_data.info->n_master == 1
+ && ! fixp->tc_fix_data.info->multi_section_p)
+ {
+ for (slave = fixp->tc_fix_data.info->slaves;
+ slave != (fixS *) 0;
+ slave = slave->tc_fix_data.next_reloc)
+ {
+ slave->fx_next = fixp->fx_next;
+ fixp->fx_next = slave;
+ }
+ }
+ break;
+
+ case BFD_RELOC_ALPHA_GPDISP_HI16:
+ if (fixp->tc_fix_data.info->n_slaves == 0)
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("No lda !gpdisp!%ld was found"),
+ fixp->tc_fix_data.info->sequence);
+ else
+ {
+ slave = fixp->tc_fix_data.info->slaves;
+ slave->fx_next = next;
+ fixp->fx_next = slave;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+}
\f
+#ifdef DEBUG_ALPHA
+static void
+debug_exp (tok, ntok)
+ expressionS tok[];
+ int ntok;
+{
+ int i;
+
+ fprintf (stderr, "debug_exp: %d tokens", ntok);
+ for (i = 0; i < ntok; i++)
+ {
+ expressionS *t = &tok[i];
+ const char *name;
+ switch (t->X_op)
+ {
+ default: name = "unknown"; break;
+ case O_illegal: name = "O_illegal"; break;
+ case O_absent: name = "O_absent"; break;
+ case O_constant: name = "O_constant"; break;
+ case O_symbol: name = "O_symbol"; break;
+ case O_symbol_rva: name = "O_symbol_rva"; break;
+ case O_register: name = "O_register"; break;
+ case O_big: name = "O_big"; break;
+ case O_uminus: name = "O_uminus"; break;
+ case O_bit_not: name = "O_bit_not"; break;
+ case O_logical_not: name = "O_logical_not"; break;
+ case O_multiply: name = "O_multiply"; break;
+ case O_divide: name = "O_divide"; break;
+ case O_modulus: name = "O_modulus"; break;
+ case O_left_shift: name = "O_left_shift"; break;
+ case O_right_shift: name = "O_right_shift"; break;
+ case O_bit_inclusive_or: name = "O_bit_inclusive_or"; break;
+ case O_bit_or_not: name = "O_bit_or_not"; break;
+ case O_bit_exclusive_or: name = "O_bit_exclusive_or"; break;
+ case O_bit_and: name = "O_bit_and"; break;
+ case O_add: name = "O_add"; break;
+ case O_subtract: name = "O_subtract"; break;
+ case O_eq: name = "O_eq"; break;
+ case O_ne: name = "O_ne"; break;
+ case O_lt: name = "O_lt"; break;
+ case O_le: name = "O_le"; break;
+ case O_ge: name = "O_ge"; break;
+ case O_gt: name = "O_gt"; break;
+ case O_logical_and: name = "O_logical_and"; break;
+ case O_logical_or: name = "O_logical_or"; break;
+ case O_index: name = "O_index"; break;
+ case O_pregister: name = "O_pregister"; break;
+ case O_cpregister: name = "O_cpregister"; break;
+ case O_literal: name = "O_literal"; break;
+ case O_lituse_addr: name = "O_lituse_addr"; break;
+ case O_lituse_base: name = "O_lituse_base"; break;
+ case O_lituse_bytoff: name = "O_lituse_bytoff"; break;
+ case O_lituse_jsr: name = "O_lituse_jsr"; break;
+ case O_gpdisp: name = "O_gpdisp"; break;
+ case O_gprelhigh: name = "O_gprelhigh"; break;
+ case O_gprellow: name = "O_gprellow"; break;
+ case O_gprel: name = "O_gprel"; break;
+ case O_samegp: name = "O_samegp"; break;
+ case O_md13: name = "O_md13"; break;
+ case O_md14: name = "O_md14"; break;
+ case O_md15: name = "O_md15"; break;
+ case O_md16: name = "O_md16"; break;
+ }
+
+ fprintf (stderr, ", %s(%s, %s, %d)", name,
+ (t->X_add_symbol) ? S_GET_NAME (t->X_add_symbol) : "--",
+ (t->X_op_symbol) ? S_GET_NAME (t->X_op_symbol) : "--",
+ (int) t->X_add_number);
+ }
+ fprintf (stderr, "\n");
+ fflush (stderr);
+}
+#endif
+
/* Parse the arguments to an opcode. */
static int
expressionS *end_tok = tok + ntok;
char *old_input_line_pointer;
int saw_comma = 0, saw_arg = 0;
+#ifdef DEBUG_ALPHA
+ expressionS *orig_tok = tok;
+#endif
+ char *p;
+ const struct alpha_reloc_op_tag *r;
+ int c, i;
+ size_t len;
+ int reloc_found_p = 0;
- memset (tok, 0, sizeof(*tok)*ntok);
+ memset (tok, 0, sizeof (*tok) * ntok);
- /* Save and restore input_line_pointer around this function */
+ /* Save and restore input_line_pointer around this function */
old_input_line_pointer = input_line_pointer;
input_line_pointer = str;
-
+
+#ifdef RELOC_OP_P
+ /* ??? Wrest control of ! away from the regular expression parser. */
+ is_end_of_line[(unsigned char) '!'] = 1;
+#endif
+
while (tok < end_tok && *input_line_pointer)
{
SKIP_WHITESPACE ();
case '\0':
goto fini;
- case ',':
+#ifdef RELOC_OP_P
+ case '!':
+ /* A relocation operand can be placed after the normal operand on an
+ assembly language statement, and has the following form:
+ !relocation_type!sequence_number. */
+ if (reloc_found_p)
+ { /* only support one relocation op per insn */
+ as_bad (_("More than one relocation op per insn"));
+ goto err_report;
+ }
+
+ if (!saw_arg)
+ goto err;
+
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ p = input_line_pointer;
+ c = get_symbol_end ();
+
+ /* Parse !relocation_type */
+ len = input_line_pointer - p;
+ if (len == 0)
+ {
+ as_bad (_("No relocation operand"));
+ goto err_report;
+ }
+
+ r = &alpha_reloc_op[0];
+ for (i = alpha_num_reloc_op - 1; i >= 0; i--, r++)
+ if (len == r->length && memcmp (p, r->name, len) == 0)
+ break;
+ if (i < 0)
+ {
+ as_bad (_("Unknown relocation operand: !%s"), p);
+ goto err_report;
+ }
+
+ *input_line_pointer = c;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != '!')
+ {
+ if (r->require_seq)
+ {
+ as_bad (_("no sequence number after !%s"), p);
+ goto err_report;
+ }
+
+ tok->X_add_number = 0;
+ }
+ else
+ {
+ if (! r->allow_seq)
+ {
+ as_bad (_("!%s does not use a sequence number"), p);
+ goto err_report;
+ }
+
+ input_line_pointer++;
+
+ /* Parse !sequence_number */
+ expression (tok);
+ if (tok->X_op != O_constant || tok->X_add_number <= 0)
+ {
+ as_bad (_("Bad sequence number: !%s!%s"),
+ r->name, input_line_pointer);
+ goto err_report;
+ }
+ }
+
+ tok->X_op = r->op;
+ reloc_found_p = 1;
+ ++tok;
+ break;
+#endif /* RELOC_OP_P */
+
+ case ',':
++input_line_pointer;
if (saw_comma || !saw_arg)
goto err;
{
char *hold = input_line_pointer++;
- /* First try for parenthesized register ... */
+ /* First try for parenthesized register ... */
expression (tok);
if (*input_line_pointer == ')' && tok->X_op == O_register)
{
default:
if (saw_arg && !saw_comma)
goto err;
+
expression (tok);
if (tok->X_op == O_illegal || tok->X_op == O_absent)
goto err;
if (saw_comma)
goto err;
input_line_pointer = old_input_line_pointer;
+
+#ifdef DEBUG_ALPHA
+ debug_exp (orig_tok, ntok - (end_tok - tok));
+#endif
+#ifdef RELOC_OP_P
+ is_end_of_line[(unsigned char) '!'] = 0;
+#endif
+
return ntok - (end_tok - tok);
err:
+#ifdef RELOC_OP_P
+ is_end_of_line[(unsigned char) '!'] = 0;
+#endif
+ input_line_pointer = old_input_line_pointer;
+ return TOKENIZE_ERROR;
+
+err_report:
+#ifdef RELOC_OP_P
+ is_end_of_line[(unsigned char) '!'] = 0;
+#endif
input_line_pointer = old_input_line_pointer;
- return -1;
+ return TOKENIZE_ERROR_REPORT;
}
/* Search forward through all variants of an opcode looking for a
syntax match. */
static const struct alpha_opcode *
-find_opcode_match(first_opcode, tok, pntok, pcpumatch)
+find_opcode_match (first_opcode, tok, pntok, pcpumatch)
const struct alpha_opcode *first_opcode;
const expressionS *tok;
int *pntok;
{
case AXP_OPERAND_IR:
if (tok[tokidx].X_op != O_register
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
break;
case AXP_OPERAND_FPR:
if (tok[tokidx].X_op != O_register
- || !is_fpr_num(tok[tokidx].X_add_number))
+ || !is_fpr_num (tok[tokidx].X_add_number))
goto match_failed;
break;
- case AXP_OPERAND_IR|AXP_OPERAND_PARENS:
+ case AXP_OPERAND_IR | AXP_OPERAND_PARENS:
if (tok[tokidx].X_op != O_pregister
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
break;
- case AXP_OPERAND_IR|AXP_OPERAND_PARENS|AXP_OPERAND_COMMA:
+ case AXP_OPERAND_IR | AXP_OPERAND_PARENS | AXP_OPERAND_COMMA:
if (tok[tokidx].X_op != O_cpregister
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
break;
case O_pregister:
case O_cpregister:
goto match_failed;
+
+ default:
+ break;
}
break;
default:
/* everything else should have been fake */
- abort();
+ abort ();
}
++tokidx;
}
match_failed:;
}
- while (++opcode-alpha_opcodes < alpha_num_opcodes
- && !strcmp(opcode->name, first_opcode->name));
+ while (++opcode - alpha_opcodes < alpha_num_opcodes
+ && !strcmp (opcode->name, first_opcode->name));
if (*pcpumatch)
- *pcpumatch = got_cpu_match;
+ *pcpumatch = got_cpu_match;
return NULL;
}
match. */
static const struct alpha_macro *
-find_macro_match(first_macro, tok, pntok)
+find_macro_match (first_macro, tok, pntok)
const struct alpha_macro *first_macro;
const expressionS *tok;
int *pntok;
tokidx = 0;
break;
+ /* index register */
case MACRO_IR:
if (tokidx >= ntok || tok[tokidx].X_op != O_register
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
++tokidx;
break;
+
+ /* parenthesized index register */
case MACRO_PIR:
if (tokidx >= ntok || tok[tokidx].X_op != O_pregister
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
++tokidx;
break;
+
+ /* optional parenthesized index register */
+ case MACRO_OPIR:
+ if (tokidx < ntok && tok[tokidx].X_op == O_pregister
+ && is_ir_num (tok[tokidx].X_add_number))
+ ++tokidx;
+ break;
+
+ /* leading comma with a parenthesized index register */
case MACRO_CPIR:
if (tokidx >= ntok || tok[tokidx].X_op != O_cpregister
- || !is_ir_num(tok[tokidx].X_add_number))
+ || !is_ir_num (tok[tokidx].X_add_number))
goto match_failed;
++tokidx;
break;
+
+ /* floating point register */
case MACRO_FPR:
if (tokidx >= ntok || tok[tokidx].X_op != O_register
- || !is_fpr_num(tok[tokidx].X_add_number))
+ || !is_fpr_num (tok[tokidx].X_add_number))
goto match_failed;
++tokidx;
break;
+ /* normal expression */
case MACRO_EXP:
if (tokidx >= ntok)
goto match_failed;
case O_register:
case O_pregister:
case O_cpregister:
+ case O_literal:
+ case O_lituse_base:
+ case O_lituse_bytoff:
+ case O_lituse_jsr:
+ case O_gpdisp:
+ case O_gprelhigh:
+ case O_gprellow:
+ case O_gprel:
+ case O_samegp:
goto match_failed;
+
+ default:
+ break;
}
++tokidx;
break;
-
+
match_failed:
while (*arg != MACRO_EOA)
++arg;
++arg;
}
}
- while (++macro-alpha_macros < alpha_num_macros
- && !strcmp(macro->name, first_macro->name));
+ while (++macro - alpha_macros < alpha_num_macros
+ && !strcmp (macro->name, first_macro->name));
return NULL;
}
/* Insert an operand value into an instruction. */
static unsigned
-insert_operand(insn, operand, val, file, line)
+insert_operand (insn, operand, val, file, line)
unsigned insn;
const struct alpha_operand *operand;
offsetT val;
if (val < min || val > max)
{
- const char *err =
- "operand out of range (%s not between %d and %d)";
- char buf[sizeof(val)*3+2];
+ const char *err =
+ _("operand out of range (%s not between %d and %d)");
+ char buf[sizeof (val) * 3 + 2];
- sprint_value(buf, val);
+ sprint_value (buf, val);
if (file)
- as_warn_where(file, line, err, buf, min, max);
+ as_warn_where (file, line, err, buf, min, max);
else
- as_warn(err, buf, min, max);
+ as_warn (err, buf, min, max);
}
}
{
const char *errmsg = NULL;
- insn = (*operand->insert)(insn, val, &errmsg);
+ insn = (*operand->insert) (insn, val, &errmsg);
if (errmsg)
- as_warn(errmsg);
+ as_warn (errmsg);
}
else
insn |= ((val & ((1 << operand->bits) - 1)) << operand->shift);
return insn;
}
-/*
+/*
* Turn an opcode description and a set of arguments into
* an instruction and a fixup.
*/
static void
-assemble_insn(opcode, tok, ntok, insn)
+assemble_insn (opcode, tok, ntok, insn, reloc)
const struct alpha_opcode *opcode;
const expressionS *tok;
int ntok;
struct alpha_insn *insn;
+ bfd_reloc_code_real_type reloc;
{
+ const struct alpha_operand *reloc_operand = NULL;
+ const expressionS *reloc_exp = NULL;
const unsigned char *argidx;
unsigned image;
int tokidx = 0;
- memset(insn, 0, sizeof(*insn));
+ memset (insn, 0, sizeof (*insn));
image = opcode->opcode;
for (argidx = opcode->operands; *argidx; ++argidx)
{
const struct alpha_operand *operand = &alpha_operands[*argidx];
- const expressionS *t;
+ const expressionS *t = (const expressionS *) 0;
if (operand->flags & AXP_OPERAND_FAKE)
{
/* fake operands take no value and generate no fixup */
- image = insert_operand(image, operand, 0, NULL, 0);
+ image = insert_operand (image, operand, 0, NULL, 0);
continue;
}
break;
case AXP_OPERAND_DEFAULT_ZERO:
{
- static const expressionS zero_exp = { 0, 0, 0, O_constant, 1 };
+ static expressionS zero_exp;
t = &zero_exp;
+ zero_exp.X_op = O_constant;
+ zero_exp.X_unsigned = 1;
}
break;
default:
- abort();
+ abort ();
}
}
else
case O_register:
case O_pregister:
case O_cpregister:
- image = insert_operand(image, operand, regno(t->X_add_number),
- NULL, 0);
+ image = insert_operand (image, operand, regno (t->X_add_number),
+ NULL, 0);
break;
case O_constant:
- image = insert_operand(image, operand, t->X_add_number, NULL, 0);
+ image = insert_operand (image, operand, t->X_add_number, NULL, 0);
+ assert (reloc_operand == NULL);
+ reloc_operand = operand;
+ reloc_exp = t;
break;
default:
- {
- struct alpha_fixup *fixup;
+ /* This is only 0 for fields that should contain registers,
+ which means this pattern shouldn't have matched. */
+ if (operand->default_reloc == 0)
+ abort ();
+
+ /* There is one special case for which an insn receives two
+ relocations, and thus the user-supplied reloc does not
+ override the operand reloc. */
+ if (operand->default_reloc == BFD_RELOC_ALPHA_HINT)
+ {
+ struct alpha_fixup *fixup;
- if (insn->nfixups >= MAX_INSN_FIXUPS)
- as_fatal("too many fixups");
+ if (insn->nfixups >= MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
- fixup = &insn->fixups[insn->nfixups++];
+ fixup = &insn->fixups[insn->nfixups++];
+ fixup->exp = *t;
+ fixup->reloc = BFD_RELOC_ALPHA_HINT;
+ }
+ else
+ {
+ if (reloc == BFD_RELOC_UNUSED)
+ reloc = operand->default_reloc;
- fixup->exp = *t;
- fixup->reloc = operand->default_reloc;
- }
+ assert (reloc_operand == NULL);
+ reloc_operand = operand;
+ reloc_exp = t;
+ }
break;
}
}
+ if (reloc != BFD_RELOC_UNUSED)
+ {
+ struct alpha_fixup *fixup;
+
+ if (insn->nfixups >= MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
+
+ /* ??? My but this is hacky. But the OSF/1 assembler uses the same
+ relocation tag for both ldah and lda with gpdisp. Choose the
+ correct internal relocation based on the opcode. */
+ if (reloc == BFD_RELOC_ALPHA_GPDISP)
+ {
+ if (strcmp (opcode->name, "ldah") == 0)
+ reloc = BFD_RELOC_ALPHA_GPDISP_HI16;
+ else if (strcmp (opcode->name, "lda") == 0)
+ reloc = BFD_RELOC_ALPHA_GPDISP_LO16;
+ else
+ as_bad (_("invalid relocation for instruction"));
+ }
+
+ /* If this is a real relocation (as opposed to a lituse hint), then
+ the relocation width should match the operand width. */
+ else if (reloc < BFD_RELOC_UNUSED)
+ {
+ reloc_howto_type *reloc_howto
+ = bfd_reloc_type_lookup (stdoutput, reloc);
+ if (reloc_howto->bitsize != reloc_operand->bits)
+ {
+ as_bad (_("invalid relocation for field"));
+ return;
+ }
+ }
+
+ fixup = &insn->fixups[insn->nfixups++];
+ if (reloc_exp)
+ fixup->exp = *reloc_exp;
+ else
+ fixup->exp.X_op = O_absent;
+ fixup->reloc = reloc;
+ }
+
insn->insn = image;
}
-/*
+/*
* Actually output an instruction with its fixup.
*/
static void
emit_insn (insn)
- struct alpha_insn *insn;
+ struct alpha_insn *insn;
{
char *f;
int i;
- /* Take care of alignment duties */
+ /* Take care of alignment duties. */
if (alpha_auto_align_on && alpha_current_align < 2)
- alpha_align (2, (char *) NULL, alpha_insn_label);
+ alpha_align (2, (char *) NULL, alpha_insn_label, 0);
if (alpha_current_align > 2)
alpha_current_align = 2;
alpha_insn_label = NULL;
f = frag_more (4);
md_number_to_chars (f, insn->insn, 4);
+#ifdef OBJ_ELF
+ dwarf2_emit_insn (4);
+#endif
+
/* Apply the fixups in order */
for (i = 0; i < insn->nfixups; ++i)
{
+ const struct alpha_operand *operand = (const struct alpha_operand *) 0;
struct alpha_fixup *fixup = &insn->fixups[i];
+ struct alpha_reloc_tag *info;
int size, pcrel;
fixS *fixP;
/* Some fixups are only used internally and so have no howto */
- if (fixup->reloc > BFD_RELOC_UNUSED)
- size = 4, pcrel = 0;
-#ifdef OBJ_ELF
- /* These relocation types are only used internally. */
- else if (fixup->reloc == BFD_RELOC_ALPHA_GPDISP_HI16
+ if ((int) fixup->reloc < 0)
+ {
+ operand = &alpha_operands[-(int) fixup->reloc];
+ size = 4;
+ pcrel = ((operand->flags & AXP_OPERAND_RELATIVE) != 0);
+ }
+ else if (fixup->reloc > BFD_RELOC_UNUSED
+ || fixup->reloc == BFD_RELOC_ALPHA_GPDISP_HI16
|| fixup->reloc == BFD_RELOC_ALPHA_GPDISP_LO16)
{
- size = 2, pcrel = 0;
+ size = 2;
+ pcrel = 0;
}
-#endif
else
{
- reloc_howto_type *reloc_howto
+ reloc_howto_type *reloc_howto
= bfd_reloc_type_lookup (stdoutput, fixup->reloc);
assert (reloc_howto);
size = bfd_get_reloc_size (reloc_howto);
+ assert (size >= 1 && size <= 4);
+
pcrel = reloc_howto->pc_relative;
}
- assert (size >= 1 && size <= 4);
fixP = fix_new_exp (frag_now, f - frag_now->fr_literal, size,
&fixup->exp, pcrel, fixup->reloc);
- /* Turn off complaints that the addend is too large for some fixups */
+ /* Turn off complaints that the addend is too large for some fixups,
+ and copy in the sequence number for the explicit relocations. */
switch (fixup->reloc)
{
+ case BFD_RELOC_ALPHA_HINT:
+ case BFD_RELOC_GPREL32:
+ case BFD_RELOC_GPREL16:
+ case BFD_RELOC_ALPHA_GPREL_HI16:
+ case BFD_RELOC_ALPHA_GPREL_LO16:
+ fixP->fx_no_overflow = 1;
+ break;
+
+ case BFD_RELOC_ALPHA_GPDISP_HI16:
+ fixP->fx_no_overflow = 1;
+ fixP->fx_addsy = section_symbol (now_seg);
+ fixP->fx_offset = 0;
+
+ info = get_alpha_reloc_tag (insn->sequence);
+ if (++info->n_master > 1)
+ as_bad (_("too many ldah insns for !gpdisp!%ld"), insn->sequence);
+ if (info->segment != now_seg)
+ as_bad (_("both insns for !gpdisp!%ld must be in the same section"),
+ insn->sequence);
+ fixP->tc_fix_data.info = info;
+ break;
+
case BFD_RELOC_ALPHA_GPDISP_LO16:
+ fixP->fx_no_overflow = 1;
+
+ info = get_alpha_reloc_tag (insn->sequence);
+ if (++info->n_slaves > 1)
+ as_bad (_("too many lda insns for !gpdisp!%ld"), insn->sequence);
+ if (info->segment != now_seg)
+ as_bad (_("both insns for !gpdisp!%ld must be in the same section"),
+ insn->sequence);
+ fixP->tc_fix_data.info = info;
+ info->slaves = fixP;
+ break;
+
case BFD_RELOC_ALPHA_LITERAL:
- case BFD_RELOC_GPREL32:
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
fixP->fx_no_overflow = 1;
+
+ info = get_alpha_reloc_tag (insn->sequence);
+ info->n_master++;
+ if (info->segment != now_seg)
+ info->multi_section_p = 1;
+ fixP->tc_fix_data.info = info;
break;
+
+ case DUMMY_RELOC_LITUSE_ADDR:
+ fixP->fx_offset = LITUSE_ADDR;
+ goto do_lituse;
+ case DUMMY_RELOC_LITUSE_BASE:
+ fixP->fx_offset = LITUSE_BASE;
+ goto do_lituse;
+ case DUMMY_RELOC_LITUSE_BYTOFF:
+ fixP->fx_offset = LITUSE_BYTOFF;
+ goto do_lituse;
+ case DUMMY_RELOC_LITUSE_JSR:
+ fixP->fx_offset = LITUSE_JSR;
+ do_lituse:
+ fixP->fx_addsy = section_symbol (now_seg);
+ fixP->fx_r_type = BFD_RELOC_ALPHA_LITUSE;
+
+ info = get_alpha_reloc_tag (insn->sequence);
+ info->n_slaves++;
+ fixP->tc_fix_data.info = info;
+ fixP->tc_fix_data.next_reloc = info->slaves;
+ info->slaves = fixP;
+ if (info->segment != now_seg)
+ info->multi_section_p = 1;
+ break;
+
default:
+ if ((int) fixup->reloc < 0)
+ {
+ if (operand->flags & AXP_OPERAND_NOOVERFLOW)
+ fixP->fx_no_overflow = 1;
+ }
break;
}
}
than one insn in an insn structure. */
static void
-assemble_tokens_to_insn(opname, tok, ntok, insn)
+assemble_tokens_to_insn (opname, tok, ntok, insn)
const char *opname;
const expressionS *tok;
int ntok;
opcode = find_opcode_match (opcode, tok, &ntok, &cpumatch);
if (opcode)
{
- assemble_insn (opcode, tok, ntok, insn);
+ assemble_insn (opcode, tok, ntok, insn, BFD_RELOC_UNUSED);
return;
}
else if (cpumatch)
- as_bad ("inappropriate arguments for opcode `%s'", opname);
+ as_bad (_("inappropriate arguments for opcode `%s'"), opname);
else
- as_bad ("opcode `%s' not supported for target %s", opname,
- alpha_target_name);
+ as_bad (_("opcode `%s' not supported for target %s"), opname,
+ alpha_target_name);
}
else
- as_bad ("unknown opcode `%s'", opname);
+ as_bad (_("unknown opcode `%s'"), opname);
}
/* Given an opcode name and a pre-tokenized set of arguments, take the
const struct alpha_opcode *opcode;
const struct alpha_macro *macro;
int cpumatch = 1;
+ bfd_reloc_code_real_type reloc = BFD_RELOC_UNUSED;
- /* search macros */
+#ifdef RELOC_OP_P
+ /* If a user-specified relocation is present, this is not a macro. */
+ if (ntok && USER_RELOC_P (tok[ntok - 1].X_op))
+ {
+ reloc = ALPHA_RELOC_TABLE (tok[ntok - 1].X_op)->reloc;
+ ntok--;
+ }
+ else
+#endif
if (local_macros_on)
{
macro = ((const struct alpha_macro *)
if (opcode)
{
struct alpha_insn insn;
- assemble_insn (opcode, tok, ntok, &insn);
+ assemble_insn (opcode, tok, ntok, &insn, reloc);
+
+ /* Copy the sequence number for the reloc from the reloc token. */
+ if (reloc != BFD_RELOC_UNUSED)
+ insn.sequence = tok[ntok].X_add_number;
+
emit_insn (&insn);
return;
}
}
-
+
if (found_something)
- if (cpumatch)
- as_bad ("inappropriate arguments for opcode `%s'", opname);
- else
- as_bad ("opcode `%s' not supported for target %s", opname,
- alpha_target_name);
+ {
+ if (cpumatch)
+ as_bad (_("inappropriate arguments for opcode `%s'"), opname);
+ else
+ as_bad (_("opcode `%s' not supported for target %s"), opname,
+ alpha_target_name);
+ }
else
- as_bad ("unknown opcode `%s'", opname);
+ as_bad (_("unknown opcode `%s'"), opname);
}
-
\f
/* Some instruction sets indexed by lg(size) */
static const char * const sextX_op[] = { "sextb", "sextw", "sextl", NULL };
static const char * const extXh_op[] = { NULL, "extwh", "extlh", "extqh" };
static const char * const mskXl_op[] = { "mskbl", "mskwl", "mskll", "mskql" };
static const char * const mskXh_op[] = { NULL, "mskwh", "msklh", "mskqh" };
+static const char * const stX_op[] = { "stb", "stw", "stl", "stq" };
+static const char * const ldX_op[] = { "ldb", "ldw", "ldll", "ldq" };
+static const char * const ldXu_op[] = { "ldbu", "ldwu", NULL, NULL };
/* Implement the ldgp macro. */
-static void
+static void
emit_ldgp (tok, ntok, unused)
const expressionS *tok;
- int ntok;
- void *unused;
+ int ntok ATTRIBUTE_UNUSED;
+ const PTR unused ATTRIBUTE_UNUSED;
{
#ifdef OBJ_AOUT
FIXME
expressionS newtok[3];
expressionS addend;
- /* We're going to need this symbol in md_apply_fix(). */
- (void) section_symbol (absolute_section);
-
#ifdef OBJ_ECOFF
if (regno (tok[2].X_add_number) == AXP_REG_PV)
ecoff_set_gp_prolog_size (0);
addend = tok[1];
#ifdef OBJ_ECOFF
- assert (addend.X_op == O_constant);
+ if (addend.X_op != O_constant)
+ as_bad (_("can not resolve expression"));
addend.X_op = O_symbol;
addend.X_add_symbol = alpha_gp_symbol;
#endif
insn.nfixups = 1;
insn.fixups[0].exp = addend;
insn.fixups[0].reloc = BFD_RELOC_ALPHA_GPDISP_HI16;
+ insn.sequence = next_sequence_num;
emit_insn (&insn);
set_tok_preg (newtok[2], tok[0].X_add_number);
-
+
assemble_tokens_to_insn ("lda", newtok, 3, &insn);
#ifdef OBJ_ECOFF
insn.nfixups = 1;
insn.fixups[0].exp = addend;
insn.fixups[0].reloc = BFD_RELOC_ALPHA_GPDISP_LO16;
+ insn.sequence = next_sequence_num--;
emit_insn (&insn);
#endif /* OBJ_ECOFF || OBJ_ELF */
segment_info_type *seginfo = seg_info (alpha_link_section);
fixS *fixp;
- offset = -basesym->sy_obj;
+ offset = - *symbol_get_obj (basesym);
/* @@ This assumes all entries in a given section will be of the same
size... Probably correct, but unwise to rely on. */
{
if (range_signed_16 (offset))
{
- return offset;
+ return offset;
}
}
}
i.e. "ldq $targ, LIT($gp); addq $targ, $0, $targ". Odd, perhaps,
but this is what OSF/1 does.
- Finally, the return value is true if the calling macro may emit a
- LITUSE reloc if otherwise appropriate. */
+ If explicit relocations of the form !literal!<number> are allowed,
+ and used, then explict_reloc with be an expression pointer.
-static int
+ Finally, the return value is nonzero if the calling macro may emit
+ a LITUSE reloc if otherwise appropriate; the return value is the
+ sequence number to use. */
+
+static long
load_expression (targreg, exp, pbasereg, poffset)
int targreg;
const expressionS *exp;
int *pbasereg;
expressionS *poffset;
{
- int emit_lituse = 0;
+ long emit_lituse = 0;
offsetT addend = exp->X_add_number;
int basereg = *pbasereg;
struct alpha_insn insn;
}
if (lit >= 0x8000)
- as_fatal ("overflow in literal (.lita) table");
+ as_fatal (_("overflow in literal (.lita) table"));
/* emit "ldq r, lit(gp)" */
if (basereg != alpha_gp_register && targreg == basereg)
{
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
if (targreg == AXP_REG_AT)
- as_bad ("macro requires $at while $at in use");
-
+ as_bad (_("macro requires $at while $at in use"));
+
set_tok_reg (newtok[0], AXP_REG_AT);
}
else
assert (insn.nfixups == 1);
insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITERAL;
+ insn.sequence = emit_lituse = next_sequence_num--;
#endif /* OBJ_ECOFF */
#ifdef OBJ_ELF
/* emit "ldq r, gotoff(gp)" */
if (basereg != alpha_gp_register && targreg == basereg)
{
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
if (targreg == AXP_REG_AT)
- as_bad ("macro requires $at while $at in use");
-
+ as_bad (_("macro requires $at while $at in use"));
+
set_tok_reg (newtok[0], AXP_REG_AT);
}
else
set_tok_reg (newtok[0], targreg);
- if (!range_signed_32 (addend)
- && (alpha_noat_on || targreg == AXP_REG_AT))
+ /* XXX: Disable this .got minimizing optimization so that we can get
+ better instruction offset knowledge in the compiler. This happens
+ very infrequently anyway. */
+ if (1
+ || (!range_signed_32 (addend)
+ && (alpha_noat_on || targreg == AXP_REG_AT)))
{
newtok[1] = *exp;
addend = 0;
assemble_tokens_to_insn ("ldq", newtok, 3, &insn);
assert (insn.nfixups == 1);
- insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITERAL;
+ insn.fixups[0].reloc = BFD_RELOC_ALPHA_ELF_LITERAL;
+ insn.sequence = emit_lituse = next_sequence_num--;
#endif /* OBJ_ELF */
#ifdef OBJ_EVAX
offsetT link;
- if (alpha_basereg_clobbered)
- {
- /* no basereg, reload basreg from 0(FP). */
- set_tok_reg (newtok[0], targreg);
- set_tok_const (newtok[1], 0);
- set_tok_preg (newtok[2], AXP_REG_FP);
- basereg = targreg;
- assemble_tokens ("ldq", newtok, 3, 0);
- }
-
/* Find symbol or symbol pointer in link section. */
if (exp->X_add_symbol == alpha_evax_proc.symbol)
}
#endif /* OBJ_EVAX */
- emit_insn(&insn);
-#ifndef OBJ_EVAX
- emit_lituse = 1;
+ emit_insn (&insn);
+#ifndef OBJ_EVAX
if (basereg != alpha_gp_register && basereg != AXP_REG_ZERO)
{
/* emit "addq r, base, r" */
assemble_tokens ("addq", newtok, 3, 0);
}
#endif
+
basereg = targreg;
}
break;
case O_subtract:
/* Assume that this difference expression will be resolved to an
- absolute value and that that value will fit in 16 bits. */
+ absolute value and that that value will fit in 16 bits. */
set_tok_reg (newtok[0], targreg);
newtok[1] = *exp;
set_tok_const (*poffset, 0);
return 0;
+ case O_big:
+ if (exp->X_add_number > 0)
+ as_bad (_("bignum invalid; zero assumed"));
+ else
+ as_bad (_("floating point number invalid; zero assumed"));
+ addend = 0;
+ break;
+
default:
- abort();
+ as_bad (_("can't handle expression"));
+ addend = 0;
+ break;
}
if (!range_signed_32 (addend))
{
offsetT lit;
+ long seq_num = next_sequence_num--;
- /* for 64-bit addends, just put it in the literal pool */
+ /* For 64-bit addends, just put it in the literal pool. */
#ifdef OBJ_EVAX
-
/* emit "ldq targreg, lit(basereg)" */
lit = add_to_link_pool (alpha_evax_proc.symbol,
section_symbol (absolute_section), addend);
set_tok_const (newtok[1], lit);
set_tok_preg (newtok[2], alpha_gp_register);
assemble_tokens ("ldq", newtok, 3, 0);
-
#else
if (alpha_lit8_section == NULL)
create_literal_section (".lit8",
&alpha_lit8_section,
&alpha_lit8_symbol);
- S_SET_VALUE (alpha_lit8_symbol, 0x8000);
+
+#ifdef OBJ_ECOFF
+ alpha_lit8_literal = add_to_literal_pool (alpha_lit8_symbol, 0x8000,
+ alpha_lita_section, 8);
+ if (alpha_lit8_literal >= 0x8000)
+ as_fatal (_("overflow in literal (.lita) table"));
+#endif
}
lit = add_to_literal_pool (NULL, addend, alpha_lit8_section, 8) - 0x8000;
if (lit >= 0x8000)
- as_fatal ("overflow in literal (.lit8) table");
+ as_fatal (_("overflow in literal (.lit8) table"));
- /* emit "ldq litreg, .lit8+lit" */
+ /* emit "lda litreg, .lit8+0x8000" */
if (targreg == basereg)
{
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
if (targreg == AXP_REG_AT)
- as_bad ("macro requires $at while $at in use");
+ as_bad (_("macro requires $at while $at in use"));
set_tok_reg (newtok[0], AXP_REG_AT);
}
else
set_tok_reg (newtok[0], targreg);
- set_tok_sym (newtok[1], alpha_lit8_symbol, lit);
+#ifdef OBJ_ECOFF
+ set_tok_sym (newtok[1], alpha_lita_symbol, alpha_lit8_literal);
+#endif
+#ifdef OBJ_ELF
+ set_tok_sym (newtok[1], alpha_lit8_symbol, 0x8000);
+#endif
+ set_tok_preg (newtok[2], alpha_gp_register);
+
+ assemble_tokens_to_insn ("ldq", newtok, 3, &insn);
+
+ assert (insn.nfixups == 1);
+#ifdef OBJ_ECOFF
+ insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITERAL;
+#endif
+#ifdef OBJ_ELF
+ insn.fixups[0].reloc = BFD_RELOC_ALPHA_ELF_LITERAL;
+#endif
+ insn.sequence = seq_num;
+
+ emit_insn (&insn);
+
+ /* emit "ldq litreg, lit(litreg)" */
+
+ set_tok_const (newtok[1], lit);
+ set_tok_preg (newtok[2], newtok[0].X_add_number);
- assemble_tokens ("ldq", newtok, 2, 1); /* note this does recurse */
+ assemble_tokens_to_insn ("ldq", newtok, 3, &insn);
+
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = seq_num;
+ emit_lituse = 0;
+
+ emit_insn (&insn);
/* emit "addq litreg, base, target" */
emit_lda (tok, ntok, unused)
const expressionS *tok;
int ntok;
- void *unused;
+ const PTR unused ATTRIBUTE_UNUSED;
{
int basereg;
static void
emit_ldah (tok, ntok, unused)
const expressionS *tok;
- int ntok;
- void *unused;
+ int ntok ATTRIBUTE_UNUSED;
+ const PTR unused ATTRIBUTE_UNUSED;
{
expressionS newtok[3];
emit_ir_load (tok, ntok, opname)
const expressionS *tok;
int ntok;
- void *opname;
+ const PTR opname;
{
- int basereg, lituse;
+ int basereg;
+ long lituse;
expressionS newtok[3];
struct alpha_insn insn;
newtok[0] = tok[0];
set_tok_preg (newtok[2], basereg);
- assemble_tokens_to_insn ((const char *)opname, newtok, 3, &insn);
+ assemble_tokens_to_insn ((const char *) opname, newtok, 3, &insn);
if (lituse)
{
assert (insn.nfixups < MAX_INSN_FIXUPS);
- if (insn.nfixups > 0)
- {
- memmove (&insn.fixups[1], &insn.fixups[0],
- sizeof(struct alpha_fixup) * insn.nfixups);
- }
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
insn.nfixups++;
- insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITUSE;
- insn.fixups[0].exp.X_op = O_constant;
- insn.fixups[0].exp.X_add_number = 1;
+ insn.sequence = lituse;
}
emit_insn (&insn);
-#if OBJ_EVAX
- /* special hack. If the basereg is clobbered for a call
- all lda's before the call don't have a basereg. */
- if ((tok[0].X_op == O_register)
- && (tok[0].X_add_number == alpha_gp_register))
- {
- alpha_basereg_clobbered = 1;
- }
-#endif
}
/* Handle fp register loads, and both integer and fp register stores.
emit_loadstore (tok, ntok, opname)
const expressionS *tok;
int ntok;
- void *opname;
+ const PTR opname;
{
- int basereg, lituse;
+ int basereg;
+ long lituse;
expressionS newtok[3];
struct alpha_insn insn;
-
+
if (ntok == 2)
basereg = (tok[1].X_op == O_constant ? AXP_REG_ZERO : alpha_gp_register);
else
basereg = tok[2].X_add_number;
- if (tok[1].X_op != O_constant || !range_signed_16(tok[1].X_add_number))
+ if (tok[1].X_op != O_constant || !range_signed_16 (tok[1].X_add_number))
{
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, &newtok[1]);
}
newtok[0] = tok[0];
set_tok_preg (newtok[2], basereg);
- assemble_tokens_to_insn ((const char *)opname, newtok, 3, &insn);
+ assemble_tokens_to_insn ((const char *) opname, newtok, 3, &insn);
if (lituse)
{
assert (insn.nfixups < MAX_INSN_FIXUPS);
- if (insn.nfixups > 0)
- {
- memmove (&insn.fixups[1], &insn.fixups[0],
- sizeof(struct alpha_fixup) * insn.nfixups);
- }
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
insn.nfixups++;
- insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITUSE;
- insn.fixups[0].exp.X_op = O_constant;
- insn.fixups[0].exp.X_add_number = 1;
+ insn.sequence = lituse;
}
emit_insn (&insn);
/* Load a half-word or byte as an unsigned value. */
-static void
+static void
emit_ldXu (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
- expressionS newtok[3];
+ if (alpha_target & AXP_OPCODE_BWX)
+ emit_ir_load (tok, ntok, ldXu_op[(long) vlgsize]);
+ else
+ {
+ expressionS newtok[3];
+ struct alpha_insn insn;
+ int basereg;
+ long lituse;
- if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
-
- /* emit "lda $at, exp" */
+ if (alpha_noat_on)
+ as_bad (_("macro requires $at register while noat in effect"));
- memcpy (newtok, tok, sizeof(expressionS)*ntok);
- newtok[0].X_add_number = AXP_REG_AT;
- assemble_tokens ("lda", newtok, ntok, 1);
+ if (ntok == 2)
+ basereg = (tok[1].X_op == O_constant
+ ? AXP_REG_ZERO : alpha_gp_register);
+ else
+ basereg = tok[2].X_add_number;
- /* emit "ldq_u targ, 0($at)" */
+ /* emit "lda $at, exp" */
- newtok[0] = tok[0];
- set_tok_const (newtok[1], 0);
- set_tok_preg (newtok[2], AXP_REG_AT);
- assemble_tokens ("ldq_u", newtok, 3, 1);
+ lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, NULL);
- /* emit "extXl targ, $at, targ" */
+ /* emit "ldq_u targ, 0($at)" */
- set_tok_reg (newtok[1], AXP_REG_AT);
- newtok[2] = newtok[0];
- assemble_tokens (extXl_op[(long)vlgsize], newtok, 3, 1);
+ newtok[0] = tok[0];
+ set_tok_const (newtok[1], 0);
+ set_tok_preg (newtok[2], basereg);
+ assemble_tokens_to_insn ("ldq_u", newtok, 3, &insn);
+
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
+
+ emit_insn (&insn);
+
+ /* emit "extXl targ, $at, targ" */
+
+ set_tok_reg (newtok[1], basereg);
+ newtok[2] = newtok[0];
+ assemble_tokens_to_insn (extXl_op[(long) vlgsize], newtok, 3, &insn);
+
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BYTOFF;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
+
+ emit_insn (&insn);
+ }
}
/* Load a half-word or byte as a signed value. */
-static void
+static void
emit_ldX (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
emit_ldXu (tok, ntok, vlgsize);
- assemble_tokens (sextX_op[(long)vlgsize], tok, 1, 1);
+ assemble_tokens (sextX_op[(long) vlgsize], tok, 1, 1);
}
/* Load an integral value from an unaligned address as an unsigned
emit_uldXu (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
- long lgsize = (long)vlgsize;
+ long lgsize = (long) vlgsize;
expressionS newtok[3];
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
/* emit "lda $at, exp" */
- memcpy (newtok, tok, sizeof(expressionS)*ntok);
+ memcpy (newtok, tok, sizeof (expressionS) * ntok);
newtok[0].X_add_number = AXP_REG_AT;
assemble_tokens ("lda", newtok, ntok, 1);
/* emit "ldq_u $t10, size-1($at)" */
set_tok_reg (newtok[0], AXP_REG_T10);
- set_tok_const (newtok[1], (1<<lgsize)-1);
+ set_tok_const (newtok[1], (1 << lgsize) - 1);
assemble_tokens ("ldq_u", newtok, 3, 1);
/* emit "extXl $t9, $at, $t9" */
newtok[2] = tok[0];
assemble_tokens ("or", newtok, 3, 1);
}
-
+
/* Load an integral value from an unaligned address as a signed value.
Note that quads should get funneled to the unsigned load since we
don't have to do the sign extension. */
emit_uldX (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
emit_uldXu (tok, ntok, vlgsize);
- assemble_tokens (sextX_op[(long)vlgsize], tok, 1, 1);
+ assemble_tokens (sextX_op[(long) vlgsize], tok, 1, 1);
}
/* Implement the ldil macro. */
emit_ldil (tok, ntok, unused)
const expressionS *tok;
int ntok;
- void *unused;
+ const PTR unused ATTRIBUTE_UNUSED;
{
expressionS newtok[2];
- memcpy (newtok, tok, sizeof(newtok));
+ memcpy (newtok, tok, sizeof (newtok));
newtok[1].X_add_number = sign_extend_32 (tok[1].X_add_number);
assemble_tokens ("lda", newtok, ntok, 1);
static void
emit_stX (tok, ntok, vlgsize)
const expressionS *tok;
- void *vlgsize;
+ int ntok;
+ const PTR vlgsize;
{
- int lgsize = (int)(long)vlgsize;
- expressionS newtok[3];
+ int lgsize = (int) (long) vlgsize;
- if (alpha_noat_on)
- as_bad("macro requires $at register while noat in effect");
+ if (alpha_target & AXP_OPCODE_BWX)
+ emit_loadstore (tok, ntok, stX_op[lgsize]);
+ else
+ {
+ expressionS newtok[3];
+ struct alpha_insn insn;
+ int basereg;
+ long lituse;
- /* emit "lda $at, exp" */
+ if (alpha_noat_on)
+ as_bad (_("macro requires $at register while noat in effect"));
- memcpy (newtok, tok, sizeof(expressionS)*ntok);
- newtok[0].X_add_number = AXP_REG_AT;
- assemble_tokens ("lda", newtok, ntok, 1);
+ if (ntok == 2)
+ basereg = (tok[1].X_op == O_constant
+ ? AXP_REG_ZERO : alpha_gp_register);
+ else
+ basereg = tok[2].X_add_number;
- /* emit "ldq_u $t9, 0($at)" */
+ /* emit "lda $at, exp" */
- set_tok_reg (newtok[0], AXP_REG_T9);
- set_tok_const (newtok[1], 0);
- set_tok_preg (newtok[2], AXP_REG_AT);
- assemble_tokens ("ldq_u", newtok, 3, 1);
+ lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, NULL);
- /* emit "insXl src, $at, $t10" */
+ /* emit "ldq_u $t9, 0($at)" */
- newtok[0] = tok[0];
- set_tok_reg (newtok[1], AXP_REG_AT);
- set_tok_reg (newtok[2], AXP_REG_T10);
- assemble_tokens (insXl_op[lgsize], newtok, 3, 1);
+ set_tok_reg (newtok[0], AXP_REG_T9);
+ set_tok_const (newtok[1], 0);
+ set_tok_preg (newtok[2], basereg);
+ assemble_tokens_to_insn ("ldq_u", newtok, 3, &insn);
- /* emit "mskXl $t9, $at, $t9" */
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
- set_tok_reg (newtok[0], AXP_REG_T9);
- newtok[2] = newtok[0];
- assemble_tokens (mskXl_op[lgsize], newtok, 3, 1);
+ emit_insn (&insn);
- /* emit "or $t9, $t10, $t9" */
+ /* emit "insXl src, $at, $t10" */
- set_tok_reg (newtok[1], AXP_REG_T10);
- assemble_tokens ("or", newtok, 3, 1);
+ newtok[0] = tok[0];
+ set_tok_reg (newtok[1], basereg);
+ set_tok_reg (newtok[2], AXP_REG_T10);
+ assemble_tokens_to_insn (insXl_op[lgsize], newtok, 3, &insn);
- /* emit "stq_u $t9, 0($at) */
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BYTOFF;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
- set_tok_const (newtok[1], 0);
- set_tok_preg (newtok[2], AXP_REG_AT);
- assemble_tokens ("stq_u", newtok, 3, 1);
+ emit_insn (&insn);
+
+ /* emit "mskXl $t9, $at, $t9" */
+
+ set_tok_reg (newtok[0], AXP_REG_T9);
+ newtok[2] = newtok[0];
+ assemble_tokens_to_insn (mskXl_op[lgsize], newtok, 3, &insn);
+
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BYTOFF;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
+
+ emit_insn (&insn);
+
+ /* emit "or $t9, $t10, $t9" */
+
+ set_tok_reg (newtok[1], AXP_REG_T10);
+ assemble_tokens ("or", newtok, 3, 1);
+
+ /* emit "stq_u $t9, 0($at) */
+
+ set_tok_const(newtok[1], 0);
+ set_tok_preg (newtok[2], AXP_REG_AT);
+ assemble_tokens_to_insn ("stq_u", newtok, 3, &insn);
+
+ if (lituse)
+ {
+ assert (insn.nfixups < MAX_INSN_FIXUPS);
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_BASE;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
+ insn.nfixups++;
+ insn.sequence = lituse;
+ }
+
+ emit_insn (&insn);
+ }
}
/* Store an integer to an unaligned address. */
emit_ustX (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
- int lgsize = (int)(long)vlgsize;
+ int lgsize = (int) (long) vlgsize;
expressionS newtok[3];
/* emit "lda $at, exp" */
- memcpy (newtok, tok, sizeof(expressionS)*ntok);
+ memcpy (newtok, tok, sizeof (expressionS) * ntok);
newtok[0].X_add_number = AXP_REG_AT;
assemble_tokens ("lda", newtok, ntok, 1);
/* emit "ldq_u $10, size-1($at)" */
set_tok_reg (newtok[0], AXP_REG_T10);
- set_tok_const (newtok[1], (1 << lgsize)-1);
+ set_tok_const (newtok[1], (1 << lgsize) - 1);
assemble_tokens ("ldq_u", newtok, 3, 1);
/* emit "insXl src, $at, $t11" */
/* emit "stq_u $t10, size-1($at)" */
set_tok_reg (newtok[0], AXP_REG_T10);
- set_tok_const (newtok[1], (1 << lgsize)-1);
+ set_tok_const (newtok[1], (1 << lgsize) - 1);
assemble_tokens ("stq_u", newtok, 3, 1);
}
emit_sextX (tok, ntok, vlgsize)
const expressionS *tok;
int ntok;
- void *vlgsize;
+ const PTR vlgsize;
{
- int bitshift = 64 - 8*(1 << (long)vlgsize);
- expressionS newtok[3];
+ long lgsize = (long) vlgsize;
- /* emit "sll src,bits,dst" */
+ if (alpha_target & AXP_OPCODE_BWX)
+ assemble_tokens (sextX_op[lgsize], tok, ntok, 0);
+ else
+ {
+ int bitshift = 64 - 8 * (1 << lgsize);
+ expressionS newtok[3];
- newtok[0] = tok[0];
- set_tok_const (newtok[1], bitshift);
- newtok[2] = tok[ntok - 1];
- assemble_tokens ("sll", newtok, 3, 1);
+ /* emit "sll src,bits,dst" */
- /* emit "sra dst,bits,dst" */
+ newtok[0] = tok[0];
+ set_tok_const (newtok[1], bitshift);
+ newtok[2] = tok[ntok - 1];
+ assemble_tokens ("sll", newtok, 3, 1);
- newtok[0] = newtok[2];
- assemble_tokens ("sra", newtok, 3, 1);
+ /* emit "sra dst,bits,dst" */
+
+ newtok[0] = newtok[2];
+ assemble_tokens ("sra", newtok, 3, 1);
+ }
}
/* Implement the division and modulus macros. */
/* Make register usage like in normal procedure call.
Don't clobber PV and RA. */
-static void
+static void
emit_division (tok, ntok, symname)
const expressionS *tok;
int ntok;
- void *symname;
+ const PTR symname;
{
/* DIVISION and MODULUS. Yech.
*
* mov R0,result
*
* with appropriate optimizations if R0,R16,R17 are the registers
- * specified by the compiler.
+ * specified by the compiler.
*/
int xr, yr, rr;
xr = regno (tok[0].X_add_number);
yr = regno (tok[1].X_add_number);
-
+
if (ntok < 3)
rr = xr;
else
/* They are in exactly the wrong order -- swap through AT */
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
set_tok_reg (newtok[0], AXP_REG_R16);
set_tok_reg (newtok[1], AXP_REG_AT);
{
set_tok_reg (newtok[0], xr);
set_tok_reg (newtok[1], AXP_REG_R16);
- assemble_tokens ("mov", newtok, 2, 1);
+ assemble_tokens ("mov", newtok, 2, 1);
}
if (yr != AXP_REG_R16 && yr != AXP_REG_R17)
}
}
- sym = symbol_find_or_make ((const char *)symname);
+ sym = symbol_find_or_make ((const char *) symname);
set_tok_reg (newtok[0], AXP_REG_AT);
set_tok_sym (newtok[1], sym, 0);
#else /* !OBJ_EVAX */
-static void
+static void
emit_division (tok, ntok, symname)
const expressionS *tok;
int ntok;
- void *symname;
+ const PTR symname;
{
/* DIVISION and MODULUS. Yech.
* Convert
* mov t12,result
*
* with appropriate optimizations if t10,t11,t12 are the registers
- * specified by the compiler.
+ * specified by the compiler.
*/
int xr, yr, rr;
xr = regno (tok[0].X_add_number);
yr = regno (tok[1].X_add_number);
-
+
if (ntok < 3)
rr = xr;
else
rr = regno (tok[2].X_add_number);
- sym = symbol_find_or_make ((const char *)symname);
+ sym = symbol_find_or_make ((const char *) symname);
/* Move the operands into the right place */
if (yr == AXP_REG_T10 && xr == AXP_REG_T11)
/* They are in exactly the wrong order -- swap through AT */
if (alpha_noat_on)
- as_bad ("macro requires $at register while noat in effect");
+ as_bad (_("macro requires $at register while noat in effect"));
set_tok_reg (newtok[0], AXP_REG_T10);
set_tok_reg (newtok[1], AXP_REG_AT);
{
set_tok_reg (newtok[0], xr);
set_tok_reg (newtok[1], AXP_REG_T10);
- assemble_tokens ("mov", newtok, 2, 1);
+ assemble_tokens ("mov", newtok, 2, 1);
}
if (yr != AXP_REG_T10 && yr != AXP_REG_T11)
emit_jsrjmp (tok, ntok, vopname)
const expressionS *tok;
int ntok;
- void *vopname;
+ const PTR vopname;
{
const char *opname = (const char *) vopname;
struct alpha_insn insn;
expressionS newtok[3];
- int r, tokidx = 0, lituse = 0;
+ int r, tokidx = 0;
+ long lituse = 0;
if (tokidx < ntok && tok[tokidx].X_op == O_register)
r = regno (tok[tokidx++].X_add_number);
assemble_tokens_to_insn (opname, newtok, 3, &insn);
- /* add the LITUSE fixup */
if (lituse)
{
assert (insn.nfixups < MAX_INSN_FIXUPS);
- if (insn.nfixups > 0)
- {
- memmove (&insn.fixups[1], &insn.fixups[0],
- sizeof(struct alpha_fixup) * insn.nfixups);
- }
+ insn.fixups[insn.nfixups].reloc = DUMMY_RELOC_LITUSE_JSR;
+ insn.fixups[insn.nfixups].exp.X_op = O_absent;
insn.nfixups++;
- insn.fixups[0].reloc = BFD_RELOC_ALPHA_LITUSE;
- insn.fixups[0].exp.X_op = O_constant;
- insn.fixups[0].exp.X_add_number = 3;
+ insn.sequence = lituse;
}
emit_insn (&insn);
-
-#if OBJ_EVAX
- alpha_basereg_clobbered = 0;
-
- /* reload PV from 0(FP) if it is our current base register. */
- if (alpha_gp_register == AXP_REG_PV)
- {
- set_tok_reg (newtok[0], AXP_REG_PV);
- set_tok_const (newtok[1], 0);
- set_tok_preg (newtok[2], AXP_REG_FP);
- assemble_tokens ("ldq", newtok, 3, 0);
- }
-#endif
}
/* The ret and jcr instructions differ from their instruction
emit_retjcr (tok, ntok, vopname)
const expressionS *tok;
int ntok;
- void *vopname;
+ const PTR vopname;
{
- const char *opname = (const char *)vopname;
+ const char *opname = (const char *) vopname;
expressionS newtok[3];
int r, tokidx = 0;
if (tokidx < ntok)
newtok[2] = tok[tokidx];
else
- set_tok_const (newtok[2], strcmp(opname, "ret") == 0);
+ set_tok_const (newtok[2], strcmp (opname, "ret") == 0);
assemble_tokens (opname, newtok, 3, 0);
}
int i;
{
+#ifdef OBJ_ELF
+ obj_elf_text (i);
+#else
s_text (i);
+#endif
alpha_insn_label = NULL;
alpha_auto_align_on = 1;
alpha_current_align = 0;
-}
+}
/* Handle the .data pseudo-op. This is like the usual one, but it
clears alpha_insn_label and restores auto alignment. */
s_alpha_data (i)
int i;
{
+#ifdef OBJ_ELF
+ obj_elf_data (i);
+#else
s_data (i);
+#endif
alpha_insn_label = NULL;
alpha_auto_align_on = 1;
alpha_current_align = 0;
-}
+}
-#ifndef OBJ_ELF
+#if defined (OBJ_ECOFF) || defined (OBJ_EVAX)
-/* Handle the OSF/1 .comm pseudo quirks. */
+/* Handle the OSF/1 and openVMS .comm pseudo quirks.
+ openVMS constructs a section for every common symbol. */
static void
s_alpha_comm (ignore)
offsetT temp;
register symbolS *symbolP;
+#ifdef OBJ_EVAX
+ segT current_section = now_seg;
+ int current_subsec = now_subseg;
+ segT new_seg;
+#endif
+
name = input_line_pointer;
c = get_symbol_end ();
}
if ((temp = get_absolute_expression ()) < 0)
{
- as_warn (".COMMon length (%ld.) <0! Ignored.", (long) temp);
+ as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
ignore_rest_of_line ();
return;
}
*p = 0;
symbolP = symbol_find_or_make (name);
+
+#ifdef OBJ_EVAX
+ /* Make a section for the common symbol. */
+ new_seg = subseg_new (xstrdup (name), 0);
+#endif
+
*p = c;
- if (S_IS_DEFINED (symbolP))
+#ifdef OBJ_EVAX
+ /* alignment might follow */
+ if (*input_line_pointer == ',')
{
- as_bad ("Ignoring attempt to re-define symbol");
+ offsetT align;
+
+ input_line_pointer++;
+ align = get_absolute_expression ();
+ bfd_set_section_alignment (stdoutput, new_seg, align);
+ }
+#endif
+
+ if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
+ {
+ as_bad (_("Ignoring attempt to re-define symbol"));
ignore_rest_of_line ();
return;
}
-#if OBJ_EVAX
- {
- /* Fill common area with zeros. */
- char *pfrag;
- segT current_seg = now_seg;
- subsegT current_subseg = now_subseg;
-
- subseg_set (bss_section, 1);
- frag_align (3, 0);
-
- symbolP->sy_frag = frag_now;
- pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP,
- temp, (char *)0);
-
- *pfrag = 0;
- S_SET_SEGMENT (symbolP, bss_section);
-
- subseg_set (current_seg, current_subseg);
- }
-#endif
-
+#ifdef OBJ_EVAX
+ if (bfd_section_size (stdoutput, new_seg) > 0)
+ {
+ if (bfd_section_size (stdoutput, new_seg) != temp)
+ as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
+ S_GET_NAME (symbolP),
+ (long) bfd_section_size (stdoutput, new_seg),
+ (long) temp);
+ }
+#else
if (S_GET_VALUE (symbolP))
{
if (S_GET_VALUE (symbolP) != (valueT) temp)
- as_bad ("Length of .comm \"%s\" is already %ld. Not changed to %ld.",
+ as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
S_GET_NAME (symbolP),
(long) S_GET_VALUE (symbolP),
(long) temp);
}
+#endif
else
{
+#ifdef OBJ_EVAX
+ subseg_set (new_seg, 0);
+ p = frag_more (temp);
+ new_seg->flags |= SEC_IS_COMMON;
+ if (! S_IS_DEFINED (symbolP))
+ S_SET_SEGMENT (symbolP, new_seg);
+#else
S_SET_VALUE (symbolP, (valueT) temp);
+#endif
S_SET_EXTERNAL (symbolP);
}
-#ifndef OBJ_EVAX
- know (symbolP->sy_frag == &zero_address_frag);
+#ifdef OBJ_EVAX
+ subseg_set (current_section, current_subsec);
#endif
+ know (symbol_get_frag (symbolP) == &zero_address_frag);
+
demand_empty_rest_of_line ();
}
#endif /* ! OBJ_ELF */
-#if defined (OBJ_ECOFF) || defined (OBJ_EVAX)
+#ifdef OBJ_ECOFF
/* Handle the .rdata pseudo-op. This is like the usual one, but it
clears alpha_insn_label and restores auto alignment. */
/* Handle the .section pseudo-op. This is like the usual one, but it
clears alpha_insn_label and restores auto alignment. */
-static void
+static void
s_alpha_section (ignore)
int ignore;
{
alpha_current_align = 0;
}
-#endif
+static void
+s_alpha_ent (dummy)
+ int dummy ATTRIBUTE_UNUSED;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_ent (0);
+ else
+ {
+ char *name, name_end;
+ name = input_line_pointer;
+ name_end = get_symbol_end ();
+
+ if (! is_name_beginner (*name))
+ {
+ as_warn (_(".ent directive has no name"));
+ *input_line_pointer = name_end;
+ }
+ else
+ {
+ symbolS *sym;
+
+ if (alpha_cur_ent_sym)
+ as_warn (_("nested .ent directives"));
+
+ sym = symbol_find_or_make (name);
+ symbol_get_bfdsym (sym)->flags |= BSF_FUNCTION;
+ alpha_cur_ent_sym = sym;
+
+ /* The .ent directive is sometimes followed by a number. Not sure
+ what it really means, but ignore it. */
+ *input_line_pointer = name_end;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ }
+ if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
+ (void) get_absolute_expression ();
+ }
+ demand_empty_rest_of_line ();
+ }
+}
-#ifdef OBJ_EVAX
static void
-s_alpha_link (ignore)
- int ignore;
+s_alpha_end (dummy)
+ int dummy ATTRIBUTE_UNUSED;
{
- int temp;
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_end (0);
+ else
+ {
+ char *name, name_end;
+ name = input_line_pointer;
+ name_end = get_symbol_end ();
- temp = get_absolute_expression ();
- subseg_new (".link", 0);
- demand_empty_rest_of_line ();
- alpha_insn_label = NULL;
- alpha_auto_align_on = 1;
- alpha_current_align = 0;
+ if (! is_name_beginner (*name))
+ {
+ as_warn (_(".end directive has no name"));
+ *input_line_pointer = name_end;
+ }
+ else
+ {
+ symbolS *sym;
+
+ sym = symbol_find (name);
+ if (sym != alpha_cur_ent_sym)
+ as_warn (_(".end directive names different symbol than .ent"));
+
+ /* Create an expression to calculate the size of the function. */
+ if (sym)
+ {
+ symbol_get_obj (sym)->size =
+ (expressionS *) xmalloc (sizeof (expressionS));
+ symbol_get_obj (sym)->size->X_op = O_subtract;
+ symbol_get_obj (sym)->size->X_add_symbol
+ = symbol_new ("L0\001", now_seg, frag_now_fix (), frag_now);
+ symbol_get_obj (sym)->size->X_op_symbol = sym;
+ symbol_get_obj (sym)->size->X_add_number = 0;
+ }
+
+ alpha_cur_ent_sym = NULL;
+
+ *input_line_pointer = name_end;
+ }
+ demand_empty_rest_of_line ();
+ }
}
+static void
+s_alpha_mask (fp)
+ int fp;
+{
+ if (ECOFF_DEBUGGING)
+ {
+ if (fp)
+ ecoff_directive_fmask (0);
+ else
+ ecoff_directive_mask (0);
+ }
+ else
+ discard_rest_of_line ();
+}
-/* .prologue */
+static void
+s_alpha_frame (dummy)
+ int dummy ATTRIBUTE_UNUSED;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_frame (0);
+ else
+ discard_rest_of_line ();
+}
static void
s_alpha_prologue (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
- alpha_basereg_clobbered = 0;
+ symbolS *sym;
+ int arg;
+
+ arg = get_absolute_expression ();
demand_empty_rest_of_line ();
- return;
+ if (ECOFF_DEBUGGING)
+ sym = ecoff_get_cur_proc_sym ();
+ else
+ sym = alpha_cur_ent_sym;
+ know (sym != NULL);
+
+ switch (arg)
+ {
+ case 0: /* No PV required. */
+ S_SET_OTHER (sym, STO_ALPHA_NOPV
+ | (S_GET_OTHER (sym) & ~STO_ALPHA_STD_GPLOAD));
+ break;
+ case 1: /* Std GP load. */
+ S_SET_OTHER (sym, STO_ALPHA_STD_GPLOAD
+ | (S_GET_OTHER (sym) & ~STO_ALPHA_STD_GPLOAD));
+ break;
+ case 2: /* Non-std use of PV. */
+ break;
+
+ default:
+ as_bad (_("Invalid argument %d to .prologue."), arg);
+ break;
+ }
}
+static char *first_file_directive;
+
+static void
+s_alpha_file (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ /* Save the first .file directive we see, so that we can change our
+ minds about whether ecoff debugging should or shouldn't be enabled. */
+ if (alpha_flag_mdebug < 0 && ! first_file_directive)
+ {
+ char *start = input_line_pointer;
+ size_t len;
+
+ discard_rest_of_line ();
+
+ len = input_line_pointer - start;
+ first_file_directive = xmalloc (len + 1);
+ memcpy (first_file_directive, start, len);
+ first_file_directive[len] = '\0';
+
+ input_line_pointer = start;
+ }
+
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_file (0);
+ else
+ dwarf2_directive_file (0);
+}
+
+static void
+s_alpha_loc (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ if (ECOFF_DEBUGGING)
+ ecoff_directive_loc (0);
+ else
+ dwarf2_directive_loc (0);
+}
+
+static void
+s_alpha_stab (n)
+ int n;
+{
+ /* If we've been undecided about mdebug, make up our minds in favour. */
+ if (alpha_flag_mdebug < 0)
+ {
+ segT sec = subseg_new (".mdebug", 0);
+ bfd_set_section_flags (stdoutput, sec, SEC_HAS_CONTENTS | SEC_READONLY);
+ bfd_set_section_alignment (stdoutput, sec, 3);
+
+ ecoff_read_begin_hook ();
+
+ if (first_file_directive)
+ {
+ char *save_ilp = input_line_pointer;
+ input_line_pointer = first_file_directive;
+ ecoff_directive_file (0);
+ input_line_pointer = save_ilp;
+ free (first_file_directive);
+ }
+
+ alpha_flag_mdebug = 1;
+ }
+ s_stab (n);
+}
+
+static void
+s_alpha_coff_wrapper (which)
+ int which;
+{
+ static void (* const fns[]) PARAMS ((int)) = {
+ ecoff_directive_begin,
+ ecoff_directive_bend,
+ ecoff_directive_def,
+ ecoff_directive_dim,
+ ecoff_directive_endef,
+ ecoff_directive_scl,
+ ecoff_directive_tag,
+ ecoff_directive_val,
+ };
+
+ assert (which >= 0 && which < (int) (sizeof (fns)/sizeof (*fns)));
+
+ if (ECOFF_DEBUGGING)
+ (*fns[which]) (0);
+ else
+ {
+ as_bad (_("ECOFF debugging is disabled."));
+ ignore_rest_of_line ();
+ }
+}
+#endif /* OBJ_ELF */
+
+#ifdef OBJ_EVAX
+
+/* Handle the section specific pseudo-op. */
+
+static void
+s_alpha_section (secid)
+ int secid;
+{
+ int temp;
+#define EVAX_SECTION_COUNT 5
+ static char *section_name[EVAX_SECTION_COUNT + 1] =
+ { "NULL", ".rdata", ".comm", ".link", ".ctors", ".dtors" };
+
+ if ((secid <= 0) || (secid > EVAX_SECTION_COUNT))
+ {
+ as_fatal (_("Unknown section directive"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+ temp = get_absolute_expression ();
+ subseg_new (section_name[secid], 0);
+ demand_empty_rest_of_line ();
+ alpha_insn_label = NULL;
+ alpha_auto_align_on = 1;
+ alpha_current_align = 0;
+}
/* Parse .ent directives. */
if (symexpr.X_op != O_symbol)
{
- as_fatal (".ent directive has no symbol");
+ as_fatal (_(".ent directive has no symbol"));
demand_empty_rest_of_line ();
return;
}
symbol = make_expr_symbol (&symexpr);
- symbol->bsym->flags |= BSF_FUNCTION;
+ symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION;
alpha_evax_proc.symbol = symbol;
demand_empty_rest_of_line ();
return;
}
-
/* Parse .frame <framreg>,<framesize>,RA,<rsa_offset> directives. */
static void
if (*input_line_pointer++ != ','
|| get_absolute_expression_and_terminator (&val) != ',')
{
- as_warn ("Bad .frame directive 1./2. param");
+ as_warn (_("Bad .frame directive 1./2. param"));
--input_line_pointer;
demand_empty_rest_of_line ();
return;
SKIP_WHITESPACE ();
if (*input_line_pointer++ != ',')
{
- as_warn ("Bad .frame directive 3./4. param");
+ as_warn (_("Bad .frame directive 3./4. param"));
--input_line_pointer;
demand_empty_rest_of_line ();
return;
if (now_seg != alpha_link_section)
{
- as_bad (".pdesc directive not in link (.link) section");
+ as_bad (_(".pdesc directive not in link (.link) section"));
demand_empty_rest_of_line ();
return;
}
if ((alpha_evax_proc.symbol == 0)
|| (!S_IS_DEFINED (alpha_evax_proc.symbol)))
{
- as_fatal (".pdesc has no matching .ent");
+ as_fatal (_(".pdesc has no matching .ent"));
demand_empty_rest_of_line ();
return;
}
- alpha_evax_proc.symbol->sy_obj = (valueT)seginfo->literal_pool_size;
+ *symbol_get_obj (alpha_evax_proc.symbol) =
+ (valueT) seginfo->literal_pool_size;
expression (&exp);
if (exp.X_op != O_symbol)
{
- as_warn (".pdesc directive has no entry symbol");
+ as_warn (_(".pdesc directive has no entry symbol"));
demand_empty_rest_of_line ();
return;
}
entry_sym = make_expr_symbol (&exp);
/* Save bfd symbol of proc desc in function symbol. */
- alpha_evax_proc.symbol->bsym->udata.p = (PTR)entry_sym->bsym;
+ symbol_get_bfdsym (alpha_evax_proc.symbol)->udata.p
+ = symbol_get_bfdsym (entry_sym);
SKIP_WHITESPACE ();
if (*input_line_pointer++ != ',')
{
- as_warn ("No comma after .pdesc <entryname>");
+ as_warn (_("No comma after .pdesc <entryname>"));
demand_empty_rest_of_line ();
return;
}
name = input_line_pointer;
name_end = get_symbol_end ();
- if (strncmp(name, "stack", 5) == 0)
+ if (strncmp (name, "stack", 5) == 0)
{
alpha_evax_proc.pdsckind = PDSC_S_K_KIND_FP_STACK;
}
- else if (strncmp(name, "reg", 3) == 0)
+ else if (strncmp (name, "reg", 3) == 0)
{
alpha_evax_proc.pdsckind = PDSC_S_K_KIND_FP_REGISTER;
}
- else if (strncmp(name, "null", 4) == 0)
+ else if (strncmp (name, "null", 4) == 0)
{
alpha_evax_proc.pdsckind = PDSC_S_K_KIND_NULL;
}
else
{
- as_fatal ("unknown procedure kind");
+ as_fatal (_("unknown procedure kind"));
demand_empty_rest_of_line ();
return;
}
md_flush_pending_output ();
#endif
- frag_align (3, 0);
+ frag_align (3, 0, 0);
p = frag_more (16);
fixp = fix_new (frag_now, p - frag_now->fr_literal, 8, 0, 0, 0, 0);
fixp->fx_done = 1;
seginfo->literal_pool_size += 16;
*p = alpha_evax_proc.pdsckind
- | ((alpha_evax_proc.framereg == 29) ? PDSC_S_M_BASE_REG_IS_FP : 0);
- *(p+1) = PDSC_S_M_NATIVE
- | PDSC_S_M_NO_JACKET;
+ | ((alpha_evax_proc.framereg == 29) ? PDSC_S_M_BASE_REG_IS_FP : 0);
+ *(p + 1) = PDSC_S_M_NATIVE | PDSC_S_M_NO_JACKET;
switch (alpha_evax_proc.pdsckind)
{
- case PDSC_S_K_KIND_NULL:
- *(p+2) = 0;
- *(p+3) = 0;
- break;
- case PDSC_S_K_KIND_FP_REGISTER:
- *(p+2) = alpha_evax_proc.fp_save;
- *(p+3) = alpha_evax_proc.ra_save;
- break;
- case PDSC_S_K_KIND_FP_STACK:
- md_number_to_chars (p+2, (valueT)alpha_evax_proc.rsa_offset, 2);
- break;
- default: /* impossible */
- break;
+ case PDSC_S_K_KIND_NULL:
+ *(p + 2) = 0;
+ *(p + 3) = 0;
+ break;
+ case PDSC_S_K_KIND_FP_REGISTER:
+ *(p + 2) = alpha_evax_proc.fp_save;
+ *(p + 3) = alpha_evax_proc.ra_save;
+ break;
+ case PDSC_S_K_KIND_FP_STACK:
+ md_number_to_chars (p + 2, (valueT) alpha_evax_proc.rsa_offset, 2);
+ break;
+ default: /* impossible */
+ break;
}
- *(p+4) = 0;
- *(p+5) = alpha_evax_proc.type & 0x0f;
+ *(p + 4) = 0;
+ *(p + 5) = alpha_evax_proc.type & 0x0f;
/* Signature offset. */
- md_number_to_chars (p+6, (valueT)0, 2);
+ md_number_to_chars (p + 6, (valueT) 0, 2);
- fix_new_exp (frag_now, p-frag_now->fr_literal+8, 8, &exp, 0, BFD_RELOC_64);
+ fix_new_exp (frag_now, p - frag_now->fr_literal+8, 8, &exp, 0, BFD_RELOC_64);
if (alpha_evax_proc.pdsckind == PDSC_S_K_KIND_NULL)
return;
seginfo->literal_pool_size += 8;
/* pdesc+16: Size. */
- md_number_to_chars (p, (valueT)alpha_evax_proc.framesize, 4);
+ md_number_to_chars (p, (valueT) alpha_evax_proc.framesize, 4);
- md_number_to_chars (p+4, (valueT)0, 2);
+ md_number_to_chars (p + 4, (valueT) 0, 2);
/* Entry length. */
- md_number_to_chars (p+6, alpha_evax_proc.prologue, 2);
+ md_number_to_chars (p + 6, alpha_evax_proc.prologue, 2);
if (alpha_evax_proc.pdsckind == PDSC_S_K_KIND_FP_REGISTER)
return;
/* pdesc+24: register masks. */
md_number_to_chars (p, alpha_evax_proc.imask, 4);
- md_number_to_chars (p+4, alpha_evax_proc.fmask, 4);
+ md_number_to_chars (p + 4, alpha_evax_proc.fmask, 4);
return;
}
+/* Support for crash debug on vms. */
+
+static void
+s_alpha_name (ignore)
+ int ignore;
+{
+ register char *p;
+ expressionS exp;
+ segment_info_type *seginfo = seg_info (alpha_link_section);
+
+ if (now_seg != alpha_link_section)
+ {
+ as_bad (_(".name directive not in link (.link) section"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ expression (&exp);
+ if (exp.X_op != O_symbol)
+ {
+ as_warn (_(".name directive has no symbol"));
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ demand_empty_rest_of_line ();
+
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
+ frag_align (3, 0, 0);
+ p = frag_more (8);
+ seginfo->literal_pool_size += 8;
+
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 8, &exp, 0, BFD_RELOC_64);
+
+ return;
+}
static void
s_alpha_linkage (ignore)
expression (&exp);
if (exp.X_op != O_symbol)
{
- as_fatal ("No symbol after .linkage");
+ as_fatal (_("No symbol after .linkage"));
}
else
{
return;
}
+static void
+s_alpha_code_address (ignore)
+ int ignore;
+{
+ expressionS exp;
+ char *p;
+
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
+ expression (&exp);
+ if (exp.X_op != O_symbol)
+ {
+ as_fatal (_("No symbol after .code_address"));
+ }
+ else
+ {
+ p = frag_more (8);
+ memset (p, 0, 8);
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 8, &exp, 0,\
+ BFD_RELOC_ALPHA_CODEADDR);
+ }
+ demand_empty_rest_of_line ();
+
+ return;
+}
static void
s_alpha_fp_save (ignore)
return;
}
-
static void
s_alpha_mask (ignore)
int ignore;
if (get_absolute_expression_and_terminator (&val) != ',')
{
- as_warn ("Bad .mask directive");
+ as_warn (_("Bad .mask directive"));
--input_line_pointer;
}
else
{
alpha_evax_proc.imask = val;
- (void)get_absolute_expression ();
+ (void) get_absolute_expression ();
}
demand_empty_rest_of_line ();
return;
}
-
static void
s_alpha_fmask (ignore)
int ignore;
if (get_absolute_expression_and_terminator (&val) != ',')
{
- as_warn ("Bad .fmask directive");
+ as_warn (_("Bad .fmask directive"));
--input_line_pointer;
}
else
*input_line_pointer = c;
demand_empty_rest_of_line ();
alpha_evax_proc.symbol = 0;
- alpha_basereg_clobbered = 0;
return;
}
-
static void
s_alpha_file (ignore)
int ignore;
{
- symbolS* s;
+ symbolS *s;
int length;
static char case_hack[32];
extern char *demand_copy_string PARAMS ((int *lenP));
- sprintf (case_hack, "<CASE:%01d%01d%01d%01d>",
- alpha_flag_hash_long_names,
- alpha_flag_show_after_trunc,
- alpha_flag_no_hash_mixed_case,
- alpha_vms_name_mapping);
+ sprintf (case_hack, "<CASE:%01d%01d>",
+ alpha_flag_hash_long_names, alpha_flag_show_after_trunc);
s = symbol_find_or_make (case_hack);
- s->bsym->flags |= BSF_FILE;
+ symbol_get_bfdsym (s)->flags |= BSF_FILE;
get_absolute_expression ();
s = symbol_find_or_make (demand_copy_string (&length));
- s->bsym->flags |= BSF_FILE;
+ symbol_get_bfdsym (s)->flags |= BSF_FILE;
demand_empty_rest_of_line ();
return;
static void
s_alpha_gprel32 (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
expressionS e;
char *p;
switch (e.X_op)
{
case O_constant:
- e.X_add_symbol = section_symbol(absolute_section);
+ e.X_add_symbol = section_symbol (absolute_section);
e.X_op = O_symbol;
/* FALLTHRU */
case O_symbol:
break;
default:
- abort();
+ abort ();
}
#else
#ifdef OBJ_ECOFF
#endif
if (alpha_auto_align_on && alpha_current_align < 2)
- alpha_align (2, (char *) NULL, alpha_insn_label);
+ alpha_align (2, (char *) NULL, alpha_insn_label, 0);
if (alpha_current_align > 2)
alpha_current_align = 2;
alpha_insn_label = NULL;
p = frag_more (4);
memset (p, 0, 4);
- fix_new_exp (frag_now, p-frag_now->fr_literal, 4,
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 4,
&e, 0, BFD_RELOC_GPREL32);
}
}
if (alpha_auto_align_on && alpha_current_align < log_size)
- alpha_align (log_size, (char *) NULL, alpha_insn_label);
+ alpha_align (log_size, (char *) NULL, alpha_insn_label, 0);
if (alpha_current_align > log_size)
alpha_current_align = log_size;
alpha_insn_label = NULL;
static void
s_alpha_proc (is_static)
- int is_static;
+ int is_static ATTRIBUTE_UNUSED;
{
char *name;
char c;
int temp;
/* Takes ".proc name,nargs" */
+ SKIP_WHITESPACE ();
name = input_line_pointer;
c = get_symbol_end ();
p = input_line_pointer;
if (*input_line_pointer != ',')
{
*p = 0;
- as_warn ("Expected comma after name \"%s\"", name);
+ as_warn (_("Expected comma after name \"%s\""), name);
*p = c;
temp = 0;
ignore_rest_of_line ();
input_line_pointer++;
temp = get_absolute_expression ();
}
- /* symbolP->sy_other = (signed char) temp; */
- as_warn ("unhandled: .proc %s,%d", name, temp);
+ /* *symbol_get_obj (symbolP) = (signed char) temp; */
+ as_warn (_("unhandled: .proc %s,%d"), name, temp);
demand_empty_rest_of_line ();
}
static void
s_alpha_set (x)
- int x;
+ int x ATTRIBUTE_UNUSED;
{
- char *name = input_line_pointer, ch, *s;
+ char *name, ch, *s;
int yesno = 1;
- while (!is_end_of_line[(unsigned char) *input_line_pointer])
- input_line_pointer++;
- ch = *input_line_pointer;
- *input_line_pointer = '\0';
+ SKIP_WHITESPACE ();
+ name = input_line_pointer;
+ ch = get_symbol_end ();
s = name;
if (s[0] == 'n' && s[1] == 'o')
else if (!strcmp ("volatile", s))
/* ignore */ ;
else
- as_warn ("Tried to .set unrecognized mode `%s'", name);
+ as_warn (_("Tried to .set unrecognized mode `%s'"), name);
*input_line_pointer = ch;
demand_empty_rest_of_line ();
static void
s_alpha_base (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
#if 0
if (first_32bit_quadrant)
{
/* not fatal, but it might not work in the end */
- as_warn ("File overrides no-base-register option.");
+ as_warn (_("File overrides no-base-register option."));
first_32bit_quadrant = 0;
}
#endif
if (alpha_gp_register < 0 || alpha_gp_register > 31)
{
alpha_gp_register = AXP_REG_GP;
- as_warn ("Bad base register, using $%d.", alpha_gp_register);
+ as_warn (_("Bad base register, using $%d."), alpha_gp_register);
}
demand_empty_rest_of_line ();
static void
s_alpha_align (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int align;
char fill, *pfill;
if (align > max_alignment)
{
align = max_alignment;
- as_bad ("Alignment too large: %d. assumed", align);
+ as_bad (_("Alignment too large: %d. assumed"), align);
}
else if (align < 0)
{
- as_warn ("Alignment negative: 0 assumed");
+ as_warn (_("Alignment negative: 0 assumed"));
align = 0;
}
if (align != 0)
{
alpha_auto_align_on = 1;
- alpha_align (align, pfill, alpha_insn_label);
+ alpha_align (align, pfill, alpha_insn_label, 1);
}
else
{
++log_size;
if (alpha_auto_align_on && alpha_current_align < log_size)
- alpha_align (log_size, (char *) NULL, alpha_insn_label);
+ alpha_align (log_size, (char *) NULL, alpha_insn_label, 0);
if (alpha_current_align > log_size)
alpha_current_align = log_size;
alpha_insn_label = NULL;
}
+
+/* Here come the .uword, .ulong, and .uquad explicitly unaligned
+ pseudos. We just turn off auto-alignment and call down to cons. */
+
+static void
+s_alpha_ucons (bytes)
+ int bytes;
+{
+ int hold = alpha_auto_align_on;
+ alpha_auto_align_on = 0;
+ cons (bytes);
+ alpha_auto_align_on = hold;
+}
+
+/* Switch the working cpu type. */
+
+static void
+s_alpha_arch (ignored)
+ int ignored ATTRIBUTE_UNUSED;
+{
+ char *name, ch;
+ const struct cpu_type *p;
+
+ SKIP_WHITESPACE ();
+ name = input_line_pointer;
+ ch = get_symbol_end ();
+
+ for (p = cpu_types; p->name; ++p)
+ if (strcmp (name, p->name) == 0)
+ {
+ alpha_target_name = p->name, alpha_target = p->flags;
+ goto found;
+ }
+ as_warn ("Unknown CPU identifier `%s'", name);
+
+found:
+ *input_line_pointer = ch;
+ demand_empty_rest_of_line ();
+}
\f
-/* The target specific pseudo-ops which we support. */
+#ifdef DEBUG1
+/* print token expression with alpha specific extension. */
-const pseudo_typeS md_pseudo_table[] =
+static void
+alpha_print_token (f, exp)
+ FILE *f;
+ const expressionS *exp;
{
- {"common", s_comm, 0}, /* is this used? */
-#ifndef OBJ_ELF
+ switch (exp->X_op)
+ {
+ case O_cpregister:
+ putc (',', f);
+ /* FALLTHRU */
+ case O_pregister:
+ putc ('(', f);
+ {
+ expressionS nexp = *exp;
+ nexp.X_op = O_register;
+ print_expr (f, &nexp);
+ }
+ putc (')', f);
+ break;
+ default:
+ print_expr (f, exp);
+ break;
+ }
+ return;
+}
+#endif
+\f
+/* The target specific pseudo-ops which we support. */
+
+const pseudo_typeS md_pseudo_table[] = {
+#ifdef OBJ_ECOFF
{"comm", s_alpha_comm, 0}, /* osf1 compiler does this */
+ {"rdata", s_alpha_rdata, 0},
#endif
{"text", s_alpha_text, 0},
{"data", s_alpha_data, 0},
-#if defined (OBJ_ECOFF) || defined (OBJ_EVAX)
- {"rdata", s_alpha_rdata, 0},
-#endif
#ifdef OBJ_ECOFF
{"sdata", s_alpha_sdata, 0},
#endif
#endif
#ifdef OBJ_EVAX
{ "pdesc", s_alpha_pdesc, 0},
+ { "name", s_alpha_name, 0},
{ "linkage", s_alpha_linkage, 0},
+ { "code_address", s_alpha_code_address, 0},
{ "ent", s_alpha_ent, 0},
{ "frame", s_alpha_frame, 0},
{ "fp_save", s_alpha_fp_save, 0},
{ "mask", s_alpha_mask, 0},
{ "fmask", s_alpha_fmask, 0},
- { "link", s_alpha_link, 0},
{ "end", s_alpha_end, 0},
{ "file", s_alpha_file, 0},
+ { "rdata", s_alpha_section, 1},
+ { "comm", s_alpha_comm, 0},
+ { "link", s_alpha_section, 3},
+ { "ctors", s_alpha_section, 4},
+ { "dtors", s_alpha_section, 5},
+#endif
+#ifdef OBJ_ELF
+ /* Frame related pseudos. */
+ {"ent", s_alpha_ent, 0},
+ {"end", s_alpha_end, 0},
+ {"mask", s_alpha_mask, 0},
+ {"fmask", s_alpha_mask, 1},
+ {"frame", s_alpha_frame, 0},
+ {"prologue", s_alpha_prologue, 0},
+ {"file", s_alpha_file, 5},
+ {"loc", s_alpha_loc, 9},
+ {"stabs", s_alpha_stab, 's'},
+ {"stabn", s_alpha_stab, 'n'},
+ /* COFF debugging related pseudos. */
+ {"begin", s_alpha_coff_wrapper, 0},
+ {"bend", s_alpha_coff_wrapper, 1},
+ {"def", s_alpha_coff_wrapper, 2},
+ {"dim", s_alpha_coff_wrapper, 3},
+ {"endef", s_alpha_coff_wrapper, 4},
+ {"scl", s_alpha_coff_wrapper, 5},
+ {"tag", s_alpha_coff_wrapper, 6},
+ {"val", s_alpha_coff_wrapper, 7},
+#else
+ {"prologue", s_ignore, 0},
#endif
{"gprel32", s_alpha_gprel32, 0},
{"t_floating", s_alpha_float_cons, 'd'},
{"livereg", s_ignore, 0},
{"base", s_alpha_base, 0}, /*??*/
{"option", s_ignore, 0},
- {"prologue", s_ignore, 0},
{"aent", s_ignore, 0},
{"ugen", s_ignore, 0},
{"eflag", s_ignore, 0},
{"skip", s_alpha_space, 0},
{"zero", s_alpha_space, 0},
+/* Unaligned data pseudos. */
+ {"uword", s_alpha_ucons, 2},
+ {"ulong", s_alpha_ucons, 4},
+ {"uquad", s_alpha_ucons, 8},
+
+#ifdef OBJ_ELF
+/* Dwarf wants these versions of unaligned. */
+ {"2byte", s_alpha_ucons, 2},
+ {"4byte", s_alpha_ucons, 4},
+ {"8byte", s_alpha_ucons, 8},
+#endif
+
/* We don't do any optimizing, so we can safely ignore these. */
{"noalias", s_ignore, 0},
{"alias", s_ignore, 0},
+ {"arch", s_alpha_arch, 0},
+
{NULL, 0, 0},
};
-
\f
/* Build a BFD section with its flags set appropriately for the .lita,
.lit8, or .lit4 sections. */
assert (alpha_gp_value == 0);
/* Get minus-one in whatever width... */
- alpha_gp_value = 0; alpha_gp_value--;
+ alpha_gp_value = 0;
+ alpha_gp_value--;
/* Select the smallest VMA of these existing sections. */
maybe_set_gp (alpha_lita_section);
S_SET_VALUE (alpha_gp_symbol, alpha_gp_value);
#ifdef DEBUG1
- printf ("Chose GP value of %lx\n", alpha_gp_value);
+ printf (_("Chose GP value of %lx\n"), alpha_gp_value);
#endif
}
#endif /* OBJ_ECOFF */
+#ifdef OBJ_ELF
+/* Map 's' to SHF_ALPHA_GPREL. */
+
+int
+alpha_elf_section_letter (letter, ptr_msg)
+ int letter;
+ char **ptr_msg;
+{
+ if (letter == 's')
+ return SHF_ALPHA_GPREL;
+
+ *ptr_msg = _("Bad .section directive: want a,s,w,x,M,S,G,T in string");
+ return 0;
+}
+
+/* Map SHF_ALPHA_GPREL to SEC_SMALL_DATA. */
+
+flagword
+alpha_elf_section_flags (flags, attr, type)
+ flagword flags;
+ int attr, type ATTRIBUTE_UNUSED;
+{
+ if (attr & SHF_ALPHA_GPREL)
+ flags |= SEC_SMALL_DATA;
+ return flags;
+}
+#endif /* OBJ_ELF */
+
/* Called internally to handle all alignment needs. This takes care
of eliding calls to frag_align if'n the cached current alignment
says we've already got it, as well as taking care of the auto-align
feature wrt labels. */
static void
-alpha_align (n, pfill, label)
+alpha_align (n, pfill, label, force)
int n;
char *pfill;
symbolS *label;
+ int force ATTRIBUTE_UNUSED;
{
if (alpha_current_align >= n)
return;
if (pfill == NULL)
{
- if (n > 2
- && (bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
- {
- static char const nop[4] = { 0x1f, 0x04, 0xff, 0x47 };
-
- /* First, make sure we're on a four-byte boundary, in case
- someone has been putting .byte values into the text
- section. The DEC assembler silently fills with unaligned
- no-op instructions. This will zero-fill, then nop-fill
- with proper alignment. */
- if (alpha_current_align < 2)
- frag_align (2, 0);
- frag_align_pattern (n, nop, sizeof nop);
- }
+ if (subseg_text_p (now_seg))
+ frag_align_code (n, 0);
else
- frag_align (n, 0);
+ frag_align (n, 0, 0);
}
else
- frag_align (n, *pfill);
+ frag_align (n, *pfill, 0);
alpha_current_align = n;
- if (label != NULL)
+ if (label != NULL && S_GET_SEGMENT (label) == now_seg)
{
- assert (S_GET_SEGMENT (label) == now_seg);
- label->sy_frag = frag_now;
+ symbol_set_frag (label, frag_now);
S_SET_VALUE (label, (valueT) frag_now_fix ());
}
- record_alignment(now_seg, n);
+ record_alignment (now_seg, n);
+
+ /* ??? If alpha_flag_relax && force && elf, record the requested alignment
+ in a reloc for the linker to see. */
+}
+
+/* This is called from HANDLE_ALIGN in write.c. Fill in the contents
+ of an rs_align_code fragment. */
+
+void
+alpha_handle_align (fragp)
+ fragS *fragp;
+{
+ static char const unop[4] = { 0x00, 0x00, 0xfe, 0x2f };
+ static char const nopunop[8] = {
+ 0x1f, 0x04, 0xff, 0x47,
+ 0x00, 0x00, 0xfe, 0x2f
+ };
+
+ int bytes, fix;
+ char *p;
+
+ if (fragp->fr_type != rs_align_code)
+ return;
+
+ bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
+ p = fragp->fr_literal + fragp->fr_fix;
+ fix = 0;
+
+ if (bytes & 3)
+ {
+ fix = bytes & 3;
+ memset (p, 0, fix);
+ p += fix;
+ bytes -= fix;
+ }
+
+ if (bytes & 4)
+ {
+ memcpy (p, unop, 4);
+ p += 4;
+ bytes -= 4;
+ fix += 4;
+ }
+
+ memcpy (p, nopunop, 8);
+
+ fragp->fr_fix += fix;
+ fragp->fr_var = 8;
}
/* The Alpha has support for some VAX floating point types, as well as for
projects / deliverable / binutils-gdb.git / blobdiff