/* tc-alpha.c - Processor-specific code for the DEC Alpha AXP CPU.
- Copyright (C) 1989, 93-98, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ 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.
#endif
#include <ctype.h>
-
\f
/* Local types */
#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];
- unsigned sequence[MAX_INSN_FIXUPS];
+ long sequence;
};
-enum alpha_macro_arg
-{
+enum alpha_macro_arg {
MACRO_EOA = 1,
MACRO_IR,
MACRO_PIR,
MACRO_CPIR,
MACRO_FPR,
MACRO_EXP,
- MACRO_LITERAL,
- MACRO_BASE,
- MACRO_BYTOFF,
- MACRO_JSR
};
-struct alpha_macro
-{
+struct alpha_macro {
const char *name;
void (*emit) PARAMS ((const expressionS *, int, const PTR));
const PTR arg;
#define O_pregister O_md1 /* O_register, in parentheses */
#define O_cpregister O_md2 /* + a leading comma */
-#ifdef RELOC_OP_P
/* Note, the alpha_reloc_op table below depends on the ordering
- of O_literal .. O_gprelow. */
+ of O_literal .. O_gpre16. */
#define O_literal O_md3 /* !literal relocation */
-#define O_lituse_base O_md4 /* !lituse_base relocation */
-#define O_lituse_bytoff O_md5 /* !lituse_bytoff relocation */
-#define O_lituse_jsr O_md6 /* !lituse_jsr relocation */
-#define O_gpdisp O_md7 /* !gpdisp relocation */
-#define O_gprelhigh O_md8 /* !gprelhigh relocation */
-#define O_gprellow O_md9 /* !gprellow relocation */
-
-#define USER_RELOC_P(R) ((R) >= O_literal && (R) <= O_gprellow)
-#endif
+#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 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_gprel)
/* Macros for extracting the type and number of encoded register tokens */
#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)
+#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. */
/* 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 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 ((unsigned, const struct alpha_operand *, offsetT, char *, unsigned));
static void assemble_insn
PARAMS ((const struct alpha_opcode *, const expressionS *, int,
- struct alpha_insn *));
+ 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 int load_expression
- PARAMS ((int, const expressionS *, int *, expressionS *,
- const expressionS *));
+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 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));
#endif
static void alpha_align PARAMS ((int, char *, symbolS *, int));
-
-#ifdef RELOC_OP_P
-static void alpha_adjust_symtab_relocs PARAMS ((bfd *, asection *, PTR));
-#endif
-
\f
/* Generic assembler global variables which must be defined by all
targets. */
struct option md_longopts[] = {
#define OPTION_32ADDR (OPTION_MD_BASE)
{ "32addr", no_argument, NULL, OPTION_32ADDR },
-#define OPTION_RELAX (OPTION_32ADDR+1)
+#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)
+#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
};
size_t md_longopts_size = sizeof (md_longopts);
-
\f
#ifdef OBJ_EVAX
#define AXP_REG_R0 0
that op-O_literal indexes into it. */
#define ALPHA_RELOC_TABLE(op) \
-&alpha_reloc_op[ ((!USER_RELOC_P (op)) \
+(&alpha_reloc_op[ ((!USER_RELOC_P (op)) \
? (abort (), 0) \
- : (int) (op) - (int)O_literal) ]
+ : (int) (op) - (int) O_literal) ])
-#define LITUSE_BASE 1
-#define LITUSE_BYTOFF 2
-#define LITUSE_JSR 3
+#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 */
- bfd_reloc_code_real_type reloc; /* relocation before frob */
operatorT op; /* which operator to use */
- int lituse; /* addened to specify lituse */
+ 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[] = {
-
- {
- "literal", /* name */
- sizeof ("literal")-1, /* length */
- BFD_RELOC_ALPHA_USER_LITERAL, /* reloc */
- O_literal, /* op */
- 0, /* lituse */
- },
-
- {
- "lituse_base", /* name */
- sizeof ("lituse_base")-1, /* length */
- BFD_RELOC_ALPHA_USER_LITUSE_BASE, /* reloc */
- O_lituse_base, /* op */
- LITUSE_BASE, /* lituse */
- },
-
- {
- "lituse_bytoff", /* name */
- sizeof ("lituse_bytoff")-1, /* length */
- BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF, /* reloc */
- O_lituse_bytoff, /* op */
- LITUSE_BYTOFF, /* lituse */
- },
-
- {
- "lituse_jsr", /* name */
- sizeof ("lituse_jsr")-1, /* length */
- BFD_RELOC_ALPHA_USER_LITUSE_JSR, /* reloc */
- O_lituse_jsr, /* op */
- LITUSE_JSR, /* lituse */
- },
-
- {
- "gpdisp", /* name */
- sizeof ("gpdisp")-1, /* length */
- BFD_RELOC_ALPHA_USER_GPDISP, /* reloc */
- O_gpdisp, /* op */
- 0, /* lituse */
- },
-
- {
- "gprelhigh", /* name */
- sizeof ("gprelhigh")-1, /* length */
- BFD_RELOC_ALPHA_USER_GPRELHIGH, /* reloc */
- O_gprelhigh, /* op */
- 0, /* lituse */
- },
-
- {
- "gprellow", /* name */
- sizeof ("gprellow")-1, /* length */
- BFD_RELOC_ALPHA_USER_GPRELLOW, /* reloc */
- O_gprellow, /* op */
- 0, /* lituse */
- },
+ 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)
};
+#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
-/* Whether a sequence number is valid. */
-#define ALPHA_RELOC_SEQUENCE_OK(X) ((X) > 0 && ((unsigned) (X)) == (X))
-
/* Structure to hold explict sequence information. */
-struct alpha_literal_tag
+struct alpha_reloc_tag
{
- fixS *lituse; /* head of linked list of !literals */
+ fixS *slaves; /* head of linked list of !literals */
segT segment; /* segment relocs are in or undefined_section*/
- int multi_section_p; /* True if more than one section was used */
- unsigned sequence; /* sequence # */
- unsigned n_literals; /* # of literals */
- unsigned n_lituses; /* # of lituses */
+ 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;
-#endif
+
+/* 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
-{
+static const struct cpu_type {
const char *name;
unsigned flags;
-} cpu_types[] =
-{
+} 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
static const struct alpha_macro alpha_macros[] = {
/* Load/Store macros */
{ "lda", emit_lda, NULL,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_LITERAL, MACRO_BASE, 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_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldl_l", emit_ir_load, "ldl_l",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq", emit_ir_load, "ldq",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_LITERAL, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq_l", emit_ir_load, "ldq_l",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldq_u", emit_ir_load, "ldq_u",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldf", emit_loadstore, "ldf",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldg", emit_loadstore, "ldg",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "lds", emit_loadstore, "lds",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "ldt", emit_loadstore, "ldt",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
-
- { "ldb", emit_ldX, (PTR)0,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ldbu", emit_ldXu, (PTR)0,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ldw", emit_ldX, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ldwu", emit_ldXu, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
-
- { "uldw", emit_uldX, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "uldwu", emit_uldXu, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "uldl", emit_uldX, (PTR)2,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "uldlu", emit_uldXu, (PTR)2,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "uldq", emit_uldXu, (PTR)3,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, 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_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stl_c", emit_loadstore, "stl_c",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq", emit_loadstore, "stq",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq_c", emit_loadstore, "stq_c",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stq_u", emit_loadstore, "stq_u",
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stf", emit_loadstore, "stf",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stg", emit_loadstore, "stg",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "sts", emit_loadstore, "sts",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
+ { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_EOA } },
{ "stt", emit_loadstore, "stt",
- { MACRO_FPR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
-
- { "stb", emit_stX, (PTR)0,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "stw", emit_stX, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ustw", emit_ustX, (PTR)1,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ustl", emit_ustX, (PTR)2,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, MACRO_EOA } },
- { "ustq", emit_ustX, (PTR)3,
- { MACRO_IR, MACRO_EXP, MACRO_OPIR, MACRO_BASE, 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, (PTR)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, (PTR)1,
+ { "sextw", emit_sextX, (PTR) 1,
{ MACRO_IR, MACRO_IR, MACRO_EOA,
MACRO_IR, MACRO_EOA,
/* MACRO_EXP, MACRO_IR, MACRO_EOA */ } },
MACRO_IR, MACRO_EXP, MACRO_EOA */ } },
{ "jsr", emit_jsrjmp, "jsr",
- { MACRO_PIR, MACRO_EXP, MACRO_JSR, MACRO_EOA,
- MACRO_PIR, MACRO_JSR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_JSR, MACRO_EOA,
- MACRO_EXP, MACRO_JSR, MACRO_EOA } },
+ { MACRO_PIR, MACRO_EXP, MACRO_EOA,
+ MACRO_PIR, MACRO_EOA,
+ MACRO_IR, MACRO_EXP, MACRO_EOA,
+ MACRO_EXP, MACRO_EOA } },
{ "jmp", emit_jsrjmp, "jmp",
- { MACRO_PIR, MACRO_EXP, MACRO_JSR, MACRO_EOA,
- MACRO_PIR, MACRO_JSR, MACRO_EOA,
- MACRO_IR, MACRO_EXP, MACRO_JSR, MACRO_EOA,
- MACRO_EXP, MACRO_JSR, MACRO_EOA } },
+ { MACRO_PIR, MACRO_EXP, MACRO_EOA,
+ MACRO_PIR, MACRO_EOA,
+ MACRO_IR, MACRO_EXP, MACRO_EOA,
+ MACRO_EXP, MACRO_EOA } },
{ "ret", emit_retjcr, "ret",
{ MACRO_IR, MACRO_EXP, MACRO_EOA,
MACRO_IR, MACRO_EOA,
/* 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, *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);
/* Some opcodes include modifiers of various sorts with a "/mod"
syntax, like the architecture manual suggests. However, for
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
{
char name[4];
sprintf (name, "$%d", i);
- alpha_register_table[i] = symbol_create(name, reg_section, i,
- &zero_address_frag);
+ alpha_register_table[i] = symbol_create (name, reg_section, i,
+ &zero_address_frag);
}
for (; i < 64; ++i)
{
char name[5];
- sprintf (name, "$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 */
#ifdef OBJ_ELF
if (ECOFF_DEBUGGING)
{
- 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);
+ 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);
-
-#ifdef RELOC_OP_P
/* Create literal lookup hash table. */
- alpha_literal_hash = hash_new();
-#endif
+ alpha_literal_hash = hash_new ();
+
+ subseg_set (text_section, 0);
}
/* The public interface to the instruction assembler. */
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;
}
break;
case 'G':
- g_switch_value = atoi(arg);
+ g_switch_value = atoi (arg);
break;
case 'm':
{
const struct cpu_type *p;
for (p = cpu_types; p->name; ++p)
- if (strcmp(arg, p->name) == 0)
+ 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;
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\
GPDISP. */
int
-md_apply_fix (fixP, valueP)
+md_apply_fix3 (fixP, valueP, seg)
fixS *fixP;
valueT *valueP;
+ segT seg;
{
char * const fixpos = fixP->fx_frag->fr_literal + fixP->fx_where;
valueT value = *valueP;
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 (now_seg);
+ fixP->fx_addsy = section_symbol (seg);
md_number_to_chars (fixpos, value, 2);
break;
/* 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 1;
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;
}
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;
}
case BFD_RELOC_ALPHA_LITERAL:
md_number_to_chars (fixpos, value, 2);
return 1;
-
- case BFD_RELOC_ALPHA_LITUSE:
- return 1;
#endif
-#ifdef OBJ_ELF
case BFD_RELOC_ALPHA_ELF_LITERAL:
case BFD_RELOC_ALPHA_LITUSE:
- return 1;
-#endif
-#ifdef OBJ_EVAX
case BFD_RELOC_ALPHA_LINKAGE:
case BFD_RELOC_ALPHA_CODEADDR:
return 1;
-#endif
-
-#ifdef RELOC_OP_P
- case BFD_RELOC_ALPHA_USER_LITERAL:
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- return 1;
-
- case BFD_RELOC_ALPHA_USER_GPDISP:
- case BFD_RELOC_ALPHA_USER_GPRELHIGH:
- case BFD_RELOC_ALPHA_USER_GPRELLOW:
- abort ();
-#endif
case BFD_RELOC_VTABLE_INHERIT:
case BFD_RELOC_VTABLE_ENTRY:
{
const struct alpha_operand *operand;
- if ((int)fixP->fx_r_type >= 0)
+ if ((int) fixP->fx_r_type >= 0)
as_fatal (_("unhandled relocation type %s"),
bfd_get_reloc_code_name (fixP->fx_r_type));
- assert (-(int)fixP->fx_r_type < (int)alpha_num_operands);
- operand = &alpha_operands[-(int)fixP->fx_r_type];
+ 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.
as_bad_where (fixP->fx_file, fixP->fx_line,
_("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;
}
return 1;
else
{
- as_warn_where(fixP->fx_file, fixP->fx_line,
- _("type %d reloc done?\n"), (int)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;
*/
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';
if (num >= 32)
break;
if (!alpha_noat_on && (num + is_float) == AXP_REG_AT)
- as_warn(_("Used $at without \".set noat\""));
+ 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;
case BFD_RELOC_ALPHA_GPDISP_HI16:
case BFD_RELOC_ALPHA_GPDISP_LO16:
case BFD_RELOC_ALPHA_GPDISP:
-#ifdef OBJ_ECOFF
case BFD_RELOC_ALPHA_LITERAL:
-#endif
-#ifdef OBJ_ELF
case BFD_RELOC_ALPHA_ELF_LITERAL:
-#endif
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:
case BFD_RELOC_ALPHA_CODEADDR:
-#endif
-#ifdef RELOC_OP_P
- case BFD_RELOC_ALPHA_USER_LITERAL:
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- case BFD_RELOC_ALPHA_USER_GPDISP:
- case BFD_RELOC_ALPHA_USER_GPRELHIGH:
- case BFD_RELOC_ALPHA_USER_GPRELLOW:
-#endif
case BFD_RELOC_VTABLE_INHERIT:
case BFD_RELOC_VTABLE_ENTRY:
return 1;
return 0;
default:
- assert((int)f->fx_r_type < 0 && -(int)f->fx_r_type < (int)alpha_num_operands);
+ assert ((int) f->fx_r_type < 0
+ && -(int) f->fx_r_type < (int) alpha_num_operands);
return 0;
}
}
case BFD_RELOC_ALPHA_GPDISP:
return 0;
-#ifdef OBJ_ECOFF
case BFD_RELOC_ALPHA_LITERAL:
-#endif
-#ifdef OBJ_ELF
case BFD_RELOC_ALPHA_ELF_LITERAL:
-#endif
-#ifdef RELOC_OP_P
- case BFD_RELOC_ALPHA_USER_LITERAL:
-#endif
-#ifdef OBJ_EVAX
+ case BFD_RELOC_ALPHA_LITUSE:
case BFD_RELOC_ALPHA_LINKAGE:
case BFD_RELOC_ALPHA_CODEADDR:
-#endif
return 1;
- case BFD_RELOC_ALPHA_LITUSE:
-#ifdef RELOC_OP_P
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- case BFD_RELOC_ALPHA_USER_GPDISP:
- case BFD_RELOC_ALPHA_USER_GPRELHIGH:
- case BFD_RELOC_ALPHA_USER_GPRELLOW:
-#endif
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:
return 1;
default:
- assert ((int)f->fx_r_type < 0
- && - (int)f->fx_r_type < (int)alpha_num_operands);
+ assert ((int) f->fx_r_type < 0
+ && - (int) f->fx_r_type < (int) alpha_num_operands);
return 1;
}
/*NOTREACHED*/
/* Make sure none of our internal relocations make it this far.
They'd better have been fully resolved by this point. */
- assert ((int)fixp->fx_r_type > 0);
+ assert ((int) fixp->fx_r_type > 0);
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
if (reloc->howto == NULL)
* 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_WEAK (fixp->fx_addsy))
- && !S_IS_COMMON(fixp->fx_addsy))
+ if ((S_IS_EXTERN (fixp->fx_addsy) || S_IS_WEAK (fixp->fx_addsy)
+ || (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_MERGE))
+ && !S_IS_COMMON (fixp->fx_addsy))
reloc->addend -= symbol_get_bfdsym (fixp->fx_addsy)->value;
#endif
}
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;
}
#endif /* OBJ_ECOFF */
\f
-#ifdef RELOC_OP_P
+static struct alpha_reloc_tag *
+get_alpha_reloc_tag (sequence)
+ long sequence;
+{
+ char buffer[ALPHA_RELOC_DIGITS];
+ struct alpha_reloc_tag *info;
-/* Before the relocations are written, reorder them, so that user supplied
- !lituse relocations follow the appropriate !literal relocations. Also
- convert the gas-internal relocations to the appropriate linker relocations.
- */
+ sprintf (buffer, "!%ld", sequence);
-void
-alpha_adjust_symtab ()
-{
- if (alpha_literal_hash)
+ info = (struct alpha_reloc_tag *) hash_find (alpha_literal_hash, buffer);
+ if (! info)
{
-#ifdef DEBUG2_ALPHA
- fprintf (stderr, "alpha_adjust_symtab called\n");
-#endif
+ size_t len = strlen (buffer);
+ const char *errmsg;
- /* Go over each section, reordering the relocations so that all of the
- explicit LITUSE's are adjacent to the explicit LITERAL's */
- bfd_map_over_sections (stdoutput, alpha_adjust_symtab_relocs, (char *) 0);
+ 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;
}
-\f
-/* Inner function to move LITUSE's next to the LITERAL. */
+/* 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)
fixS **prevP;
fixS *fixp;
fixS *next;
- fixS *lituse;
- int n_lituses = 0;
-
-#ifdef DEBUG2_ALPHA
- int n = 0;
- int n_literals = 0;
- int n_dup_literals = 0;
-#endif
+ 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 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 (! seginfo->fix_root)
return;
- /* First rebuild the fixup chain without the expicit lituse's. */
- prevP = &(seginfo->fix_root);
+ /* 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;
-#ifdef DEBUG2_ALPHA
- n++;
-#endif
+ fixp->fx_next = (fixS *) 0;
switch (fixp->fx_r_type)
{
- default:
- *prevP = fixp;
- prevP = &(fixp->fx_next);
-#ifdef DEBUG2_ALPHA
- fprintf (stderr,
- "alpha_adjust_symtab_relocs: 0x%lx, other relocation %s\n",
- (long)fixp,
- bfd_get_reloc_code_name (fixp->fx_r_type));
-#endif
- break;
-
- case BFD_RELOC_ALPHA_USER_LITERAL:
- *prevP = fixp;
- prevP = &(fixp->fx_next);
- /* prevent assembler from trying to adjust the offset */
-#ifdef DEBUG2_ALPHA
- n_literals++;
- if (fixp->tc_fix_data.info->n_literals != 1)
- n_dup_literals++;
- fprintf (stderr,
- "alpha_adjust_symtab_relocs: 0x%lx, !literal!%.6d, # literals = %2d\n",
- (long)fixp,
- fixp->tc_fix_data.info->sequence,
- fixp->tc_fix_data.info->n_literals);
-#endif
+ 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;
- /* do not link in lituse's */
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- n_lituses++;
- if (fixp->tc_fix_data.info->n_literals == 0)
+ 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 !literal!%d was found"),
+ _("No ldah !gpdisp!%ld was found"),
fixp->tc_fix_data.info->sequence);
-#ifdef DEBUG2_ALPHA
- fprintf (stderr,
- "alpha_adjust_symtab_relocs: 0x%lx, !lituse !%.6d, # lituses = %2d, next_lituse = 0x%lx\n",
- (long)fixp,
- fixp->tc_fix_data.info->sequence,
- fixp->tc_fix_data.info->n_lituses,
- (long)fixp->tc_fix_data.next_lituse);
-#endif
+ break;
+
+ default:
+ *prevP = fixp;
+ prevP = &fixp->fx_next;
break;
}
}
- /* If there were any lituses, go and add them to the chain, unless there is
- more than one !literal for a given sequence number. They are linked
- through the next_lituse field in reverse order, so as we go through the
- next_lituse chain, we effectively reverse the chain once again. If there
- was more than one !literal, we fall back to loading up the address w/o
- optimization. Also, if the !literals/!lituses are spread in different
- segments (happens in the Linux kernel semaphores), suppress the
- optimization. */
- if (n_lituses)
+ /* 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)
{
- for (fixp = seginfo->fix_root; fixp; fixp = fixp->fx_next)
+ next = fixp->fx_next;
+ switch (fixp->fx_r_type)
{
- 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)
{
- default:
- break;
-
- case BFD_RELOC_ALPHA_USER_LITERAL:
-#ifdef OBJ_ELF
- fixp->fx_r_type = BFD_RELOC_ALPHA_ELF_LITERAL;
-#else
- fixp->fx_r_type = BFD_RELOC_ALPHA_LITERAL; /* XXX check this */
-#endif
- if (fixp->tc_fix_data.info->n_literals == 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)
{
- for (lituse = fixp->tc_fix_data.info->lituse;
- lituse != (fixS *)0;
- lituse = lituse->tc_fix_data.next_lituse)
- {
- lituse->fx_next = fixp->fx_next;
- fixp->fx_next = lituse;
- }
+ slave->fx_next = fixp->fx_next;
+ fixp->fx_next = slave;
}
- break;
+ }
+ break;
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- fixp->fx_r_type = BFD_RELOC_ALPHA_LITUSE;
- 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;
}
}
-
-#ifdef DEBUG2_ALPHA
- fprintf (stderr, "alpha_adjust_symtab_relocs: %s, %d literal%s, %d duplicate literal%s, %d lituse%s\n\n",
- sec->name,
- n_literals, (n_literals == 1) ? "" : "s",
- n_dup_literals, (n_dup_literals == 1) ? "" : "s",
- n_lituses, (n_lituses == 1) ? "" : "s");
-#endif
}
-
-#endif /* RELOC_OP_P */
-
\f
#ifdef DEBUG_ALPHA
static void
case O_gpdisp: name = "O_gpdisp"; break;
case O_gprelhigh: name = "O_gprelhigh"; break;
case O_gprellow: name = "O_gprellow"; break;
- case O_md10: name = "O_md10"; break;
+ case O_gprel: name = "O_gprel"; break;
case O_md11: name = "O_md11"; break;
case O_md12: name = "O_md12"; break;
case O_md13: name = "O_md13"; 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);
+ (int) t->X_add_number);
}
fprintf (stderr, "\n");
fflush (stderr);
#ifdef DEBUG_ALPHA
expressionS *orig_tok = tok;
#endif
-#ifdef RELOC_OP_P
char *p;
const struct alpha_reloc_op_tag *r;
int c, i;
size_t len;
int reloc_found_p = 0;
-#endif
memset (tok, 0, sizeof (*tok) * ntok);
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 ();
if (!saw_arg)
goto err;
- for (p = ++input_line_pointer;
- ((c = *p) != '!' && c != ';' && c != '#' && c != ','
- && !is_end_of_line[c]);
- p++)
- ;
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ p = input_line_pointer;
+ c = get_symbol_end ();
/* Parse !relocation_type */
- len = p - input_line_pointer;
+ len = input_line_pointer - p;
if (len == 0)
{
as_bad (_("No relocation operand"));
goto err_report;
}
- if (c != '!')
+ 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 (_("No !sequence-number after !%s"), input_line_pointer);
+ as_bad (_("Unknown relocation operand: !%s"), p);
goto err_report;
}
- r = &alpha_reloc_op[0];
- for (i = alpha_num_reloc_op-1; i >= 0; i--, r++)
+ *input_line_pointer = c;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != '!')
{
- if (len == r->length
- && memcmp (input_line_pointer, r->name, len) == 0)
- break;
+ if (r->require_seq)
+ {
+ as_bad (_("no sequence number after !%s"), p);
+ goto err_report;
+ }
+
+ tok->X_add_number = 0;
}
- if (i < 0)
+ else
{
- as_bad (_("Unknown relocation operand: !%s"), input_line_pointer);
- goto err_report;
- }
-
- input_line_pointer = ++p;
+ if (! r->allow_seq)
+ {
+ as_bad (_("!%s does not use a sequence number"), p);
+ goto err_report;
+ }
- /* Parse !sequence_number */
- memset (tok, '\0', sizeof (expressionS));
- expression (tok);
+ input_line_pointer++;
- if (tok->X_op != O_constant
- || ! ALPHA_RELOC_SEQUENCE_OK (tok->X_add_number))
- {
- as_bad (_("Bad sequence number: !%s!%s"), r->name, input_line_pointer);
- goto err_report;
+ /* 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
+#endif /* RELOC_OP_P */
case ',':
++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;
-#ifdef RELOC_OP_P
err_report:
+#ifdef RELOC_OP_P
+ is_end_of_line[(unsigned char) '!'] = 0;
+#endif
input_line_pointer = old_input_line_pointer;
return TOKENIZE_ERROR_REPORT;
-#endif
}
/* 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;
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;
/* 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))
+ && 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;
case O_register:
case O_pregister:
case O_cpregister:
-#ifdef RELOC_OP_P
case O_literal:
case O_lituse_base:
case O_lituse_bytoff:
case O_gpdisp:
case O_gprelhigh:
case O_gprellow:
-#endif
+ case O_gprel:
goto match_failed;
default:
++tokidx;
break;
- /* optional !literal!<number> */
- case MACRO_LITERAL:
-#ifdef RELOC_OP_P
- if (tokidx < ntok && tok[tokidx].X_op == O_literal)
- tokidx++;
-#endif
- break;
-
- /* optional !lituse_base!<number> */
- case MACRO_BASE:
-#ifdef RELOC_OP_P
- if (tokidx < ntok && tok[tokidx].X_op == O_lituse_base)
- tokidx++;
-#endif
- break;
-
- /* optional !lituse_bytoff!<number> */
- case MACRO_BYTOFF:
-#ifdef RELOC_OP_P
- if (tokidx < ntok && tok[tokidx].X_op == O_lituse_bytoff)
- tokidx++;
-#endif
- break;
-
- /* optional !lituse_jsr!<number> */
- case MACRO_JSR:
-#ifdef RELOC_OP_P
- if (tokidx < ntok && tok[tokidx].X_op == O_lituse_jsr)
- tokidx++;
-#endif
- 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;
_("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);
}
}
*/
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;
for (argidx = opcode->operands; *argidx; ++argidx)
{
const struct alpha_operand *operand = &alpha_operands[*argidx];
- const expressionS *t = (const expressionS *)0;
+ 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;
}
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 ();
- if (insn->nfixups >= MAX_INSN_FIXUPS)
- as_fatal(_("too many fixups"));
+ /* 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;
- fixup = &insn->fixups[insn->nfixups++];
+ if (insn->nfixups >= MAX_INSN_FIXUPS)
+ as_fatal (_("too many fixups"));
- fixup->exp = *t;
- fixup->reloc = operand->default_reloc;
- }
+ fixup = &insn->fixups[insn->nfixups++];
+ fixup->exp = *t;
+ fixup->reloc = BFD_RELOC_ALPHA_HINT;
+ }
+ else
+ {
+ if (reloc == BFD_RELOC_UNUSED)
+ 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;
}
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, 0);
if (alpha_current_align > 2)
/* Apply the fixups in order */
for (i = 0; i < insn->nfixups; ++i)
{
- const struct alpha_operand *operand = (const struct alpha_operand *)0;
+ 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;
-#ifdef RELOC_OP_P
- char buffer[ALPHA_RELOC_DIGITS];
- struct alpha_literal_tag *info;
-#endif
/* Some fixups are only used internally and so have no howto */
- if ((int)fixup->reloc < 0)
+ if ((int) fixup->reloc < 0)
{
- operand = &alpha_operands[-(int)fixup->reloc];
+ operand = &alpha_operands[-(int) fixup->reloc];
size = 4;
pcrel = ((operand->flags & AXP_OPERAND_RELATIVE) != 0);
}
- else switch (fixup->reloc)
+ else if (fixup->reloc > BFD_RELOC_UNUSED
+ || fixup->reloc == BFD_RELOC_ALPHA_GPDISP_HI16
+ || fixup->reloc == BFD_RELOC_ALPHA_GPDISP_LO16)
{
-#ifdef OBJ_ELF
- /* These relocation types are only used internally. */
- case BFD_RELOC_ALPHA_GPDISP_HI16:
- case BFD_RELOC_ALPHA_GPDISP_LO16:
- size = 2;
- pcrel = 0;
- break;
-#endif
-#ifdef RELOC_OP_P
- /* and these also are internal only relocations */
- case BFD_RELOC_ALPHA_USER_LITERAL:
- case BFD_RELOC_ALPHA_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- case BFD_RELOC_ALPHA_USER_GPDISP:
- case BFD_RELOC_ALPHA_USER_GPRELHIGH:
- case BFD_RELOC_ALPHA_USER_GPRELLOW:
size = 2;
pcrel = 0;
- break;
-#endif
-
- default:
- {
- reloc_howto_type *reloc_howto
- = bfd_reloc_type_lookup (stdoutput, fixup->reloc);
- assert (reloc_howto);
+ }
+ else
+ {
+ reloc_howto_type *reloc_howto
+ = bfd_reloc_type_lookup (stdoutput, fixup->reloc);
+ assert (reloc_howto);
- size = bfd_get_reloc_size (reloc_howto);
- pcrel = reloc_howto->pc_relative;
- }
+ size = bfd_get_reloc_size (reloc_howto);
assert (size >= 1 && size <= 4);
- break;
+
+ pcrel = reloc_howto->pc_relative;
}
fixP = fix_new_exp (frag_now, f - frag_now->fr_literal, size,
and copy in the sequence number for the explicit relocations. */
switch (fixup->reloc)
{
- case BFD_RELOC_ALPHA_GPDISP_LO16:
-#ifdef OBJ_ECOFF
- case BFD_RELOC_ALPHA_LITERAL:
-#endif
-#ifdef OBJ_ELF
- case BFD_RELOC_ALPHA_ELF_LITERAL:
-#endif
+ 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;
-#ifdef RELOC_OP_P
- case BFD_RELOC_ALPHA_USER_LITERAL:
+ case BFD_RELOC_ALPHA_GPDISP_HI16:
fixP->fx_no_overflow = 1;
- sprintf (buffer, "!%u", insn->sequence[i]);
- info = ((struct alpha_literal_tag *)
- hash_find (alpha_literal_hash, buffer));
+ fixP->fx_addsy = section_symbol (now_seg);
+ fixP->fx_offset = 0;
- if (! info)
- {
- size_t len = strlen (buffer);
- const char *errmsg;
-
- info = ((struct alpha_literal_tag *)
- xcalloc (sizeof (struct alpha_literal_tag) + len, 1));
-
- info->segment = now_seg;
- info->sequence = insn->sequence[i];
- strcpy (info->string, buffer);
- errmsg = hash_insert (alpha_literal_hash, info->string, (PTR)info);
- if (errmsg)
- as_bad (errmsg);
- }
+ 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;
- ++info->n_literals;
+ 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)
- info->multi_section_p = 1;
-
+ 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_USER_LITUSE_BASE:
- case BFD_RELOC_ALPHA_USER_LITUSE_BYTOFF:
- case BFD_RELOC_ALPHA_USER_LITUSE_JSR:
- sprintf (buffer, "!%u", insn->sequence[i]);
- info = ((struct alpha_literal_tag *)
- hash_find (alpha_literal_hash, buffer));
+ case BFD_RELOC_ALPHA_LITERAL:
+ case BFD_RELOC_ALPHA_ELF_LITERAL:
+ fixP->fx_no_overflow = 1;
- if (! info)
- {
- size_t len = strlen (buffer);
- const char *errmsg;
-
- info = ((struct alpha_literal_tag *)
- xcalloc (sizeof (struct alpha_literal_tag) + len, 1));
-
- info->segment = now_seg;
- info->sequence = insn->sequence[i];
- strcpy (info->string, buffer);
- errmsg = hash_insert (alpha_literal_hash, info->string, (PTR)info);
- if (errmsg)
- as_bad (errmsg);
- }
- info->n_lituses++;
- fixP->tc_fix_data.info = info;
- fixP->tc_fix_data.next_lituse = info->lituse;
- info->lituse = fixP;
+ 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;
-#endif
default:
- if ((int)fixup->reloc < 0)
+ if ((int) fixup->reloc < 0)
{
if (operand->flags & AXP_OPERAND_NOOVERFLOW)
fixP->fx_no_overflow = 1;
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);
else
as_bad (_("opcode `%s' not supported for target %s"), opname,
- alpha_target_name);
+ alpha_target_name);
}
else
as_bad (_("unknown opcode `%s'"), opname);
const struct alpha_opcode *opcode;
const struct alpha_macro *macro;
int cpumatch = 1;
+ bfd_reloc_code_real_type reloc = BFD_RELOC_UNUSED;
- /* search macros */
- if (local_macros_on)
+ /* 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 if (local_macros_on)
{
macro = ((const struct alpha_macro *)
hash_find (alpha_macro_hash, opname));
}
}
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, opname);
- ntok--;
- }
-#endif
-
/* search opcodes */
opcode = (const struct alpha_opcode *) hash_find (alpha_opcode_hash, opname);
if (opcode)
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);
}
-
\f
/* Some instruction sets indexed by lg(size) */
static const char * const sextX_op[] = { "sextb", "sextw", "sextl", NULL };
expressionS newtok[3];
expressionS addend;
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, "ldgp");
- ntok--;
- }
-#endif
-
#ifdef OBJ_ECOFF
if (regno (tok[2].X_add_number) == AXP_REG_PV)
ecoff_set_gp_prolog_size (0);
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);
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 */
{
if (range_signed_16 (offset))
{
- return offset;
+ return offset;
}
}
}
If explicit relocations of the form !literal!<number> are allowed,
and used, then explict_reloc with be an expression pointer.
- Finally, the return value is true if the calling macro may emit a
- LITUSE reloc if otherwise appropriate. */
+ 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 int
-load_expression (targreg, exp, pbasereg, poffset, explicit_reloc)
+static long
+load_expression (targreg, exp, pbasereg, poffset)
int targreg;
const expressionS *exp;
int *pbasereg;
expressionS *poffset;
- const expressionS *explicit_reloc;
{
- int emit_lituse = 0;
+ long emit_lituse = 0;
offsetT addend = exp->X_add_number;
int basereg = *pbasereg;
struct alpha_insn insn;
assemble_tokens_to_insn ("ldq", newtok, 3, &insn);
- assert (explicit_reloc == (const expressionS *)0);
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)" */
/* 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)))
+ 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);
- if (!explicit_reloc)
- insn.fixups[0].reloc = BFD_RELOC_ALPHA_ELF_LITERAL;
- else
- {
-#ifdef RELOC_OP_P
- insn.fixups[0].reloc
- = (ALPHA_RELOC_TABLE (explicit_reloc->X_op))->reloc;
- insn.sequence[0] = explicit_reloc->X_add_number;
-#else
- abort ();
-#endif
- }
+ insn.fixups[0].reloc = BFD_RELOC_ALPHA_ELF_LITERAL;
+ insn.sequence = emit_lituse = next_sequence_num--;
#endif /* OBJ_ELF */
#ifdef OBJ_EVAX
offsetT link;
/* Find symbol or symbol pointer in link section. */
- assert (explicit_reloc == (const expressionS *)0);
if (exp->X_add_symbol == alpha_evax_proc.symbol)
{
if (range_signed_16 (addend))
}
#endif /* OBJ_EVAX */
- emit_insn(&insn);
+ emit_insn (&insn);
#ifndef OBJ_EVAX
- emit_lituse = 1;
-
if (basereg != alpha_gp_register && basereg != AXP_REG_ZERO)
{
/* emit "addq r, base, r" */
break;
case O_constant:
- assert (explicit_reloc == (const expressionS *)0);
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. */
- assert (explicit_reloc == (const expressionS *)0);
set_tok_reg (newtok[0], targreg);
newtok[1] = *exp;
set_tok_preg (newtok[2], basereg);
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)" */
#ifdef OBJ_ELF
insn.fixups[0].reloc = BFD_RELOC_ALPHA_ELF_LITERAL;
#endif
+ insn.sequence = seq_num;
emit_insn (&insn);
assemble_tokens_to_insn ("ldq", newtok, 3, &insn);
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_symbol;
- insn.fixups[0].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[0].exp.X_add_number = LITUSE_BASE;
+ insn.sequence = seq_num;
emit_lituse = 0;
emit_insn (&insn);
large constants. */
static void
-emit_lda (tok, ntok, opname)
+emit_lda (tok, ntok, unused)
const expressionS *tok;
int ntok;
- const PTR opname;
+ const PTR unused ATTRIBUTE_UNUSED;
{
int basereg;
- const expressionS *reloc = (const expressionS *)0;
-
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const struct alpha_reloc_op_tag *r;
-
- reloc = &tok[ntok-1];
- r = ALPHA_RELOC_TABLE (reloc->X_op);
- switch (reloc->X_op)
- {
- default:
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc->X_add_number, (const char *)opname);
-
- reloc = (const expressionS *)0;
- ntok--;
- break;
-
- case O_literal:
- ntok--;
- break;
-
- /* For lda $x,0($x)!lituse_base!y, don't use load_expression, since
- it is really too general for our needs. Instead just generate the
- lda directly. */
- case O_lituse_base:
- if (ntok != 4
- || tok[0].X_op != O_register
- || !is_ir_num(tok[0].X_add_number)
- || tok[1].X_op != O_constant
- || tok[2].X_op != O_pregister
- || !is_ir_num(tok[2].X_add_number))
- {
- as_bad (_("bad instruction format for lda !%s!%ld"), r->name,
- (long) reloc->X_add_number);
-
- reloc = (const expressionS *)0;
- ntok--;
- break;
- }
-
- emit_loadstore (tok, ntok, "lda");
- return;
- }
- }
-#endif
if (ntok == 2)
basereg = (tok[1].X_op == O_constant ? AXP_REG_ZERO : alpha_gp_register);
else
basereg = tok[2].X_add_number;
- (void) load_expression (tok[0].X_add_number, &tok[1], &basereg, NULL, reloc);
+ (void) load_expression (tok[0].X_add_number, &tok[1], &basereg, NULL);
}
/* The ldah macro differs from the ldah instruction in that it has $31
{
expressionS newtok[3];
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, "ldah");
- ntok--;
- }
-#endif
-
newtok[0] = tok[0];
newtok[1] = tok[1];
set_tok_preg (newtok[2], AXP_REG_ZERO);
int ntok;
const PTR opname;
{
- int basereg, lituse;
+ int basereg;
+ long lituse;
expressionS newtok[3];
struct alpha_insn insn;
-#ifdef RELOC_OP_P
- const expressionS *reloc = (const expressionS *)0;
-
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const struct alpha_reloc_op_tag *r;
-
- reloc = &tok[ntok-1];
- switch (reloc->X_op)
- {
- case O_lituse_base:
- ntok--;
- break;
-
- case O_literal:
- if (strcmp ((const char *)opname, "ldq") == 0)
- {
- emit_lda (tok, ntok, opname);
- return;
- }
-
- /* fall through */
- default:
- ntok--;
- r = ALPHA_RELOC_TABLE (reloc->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc->X_add_number, (const char *)opname);
- }
- }
-#endif
-
if (ntok == 2)
basereg = (tok[1].X_op == O_constant ? AXP_REG_ZERO : alpha_gp_register);
else
basereg = tok[2].X_add_number;
lituse = load_expression (tok[0].X_add_number, &tok[1], &basereg,
- &newtok[1], (const expressionS *)0);
+ &newtok[1]);
newtok[0] = tok[0];
set_tok_preg (newtok[2], basereg);
- assemble_tokens_to_insn ((const char *)opname, newtok, 3, &insn);
-
-#ifdef RELOC_OP_P
- if (reloc)
- {
- int nfixups = insn.nfixups;
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc->X_op);
-
- assert (nfixups < MAX_INSN_FIXUPS);
- insn.fixups[nfixups].reloc = r->reloc;
- insn.fixups[nfixups].exp.X_op = O_symbol;
- insn.fixups[nfixups].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[nfixups].exp.X_add_number = r->lituse;
- insn.sequence[nfixups] = reloc->X_add_number;
- insn.nfixups++;
- }
-#endif
+ 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_symbol;
- insn.fixups[0].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[0].exp.X_add_number = LITUSE_BASE;
+ insn.sequence = lituse;
}
emit_insn (&insn);
int ntok;
const PTR opname;
{
- int basereg, lituse;
+ int basereg;
+ long lituse;
expressionS newtok[3];
struct alpha_insn insn;
-#ifdef RELOC_OP_P
- const expressionS *reloc = (const expressionS *)0;
-
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- reloc = &tok[--ntok];
- if (reloc->X_op != O_lituse_base)
- {
- const struct alpha_reloc_op_tag *r = &alpha_reloc_op[ reloc->X_md ];
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc->X_add_number, (const char *)opname);
- }
- }
-#endif
-
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"));
- lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, &newtok[1],
- (const expressionS *)0);
+ lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, &newtok[1]);
}
else
{
newtok[0] = tok[0];
set_tok_preg (newtok[2], basereg);
- assemble_tokens_to_insn ((const char *)opname, newtok, 3, &insn);
-
-#ifdef RELOC_OP_P
- if (reloc)
- {
- int nfixups = insn.nfixups;
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc->X_op);
-
- assert (nfixups < MAX_INSN_FIXUPS);
- insn.fixups[nfixups].reloc = r->reloc;
- insn.fixups[nfixups].exp.X_op = O_symbol;
- insn.fixups[nfixups].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[nfixups].exp.X_add_number = r->lituse;
- insn.sequence[nfixups] = reloc->X_add_number;
- insn.nfixups++;
- }
-#endif
+ 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_symbol;
- insn.fixups[0].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[0].exp.X_add_number = LITUSE_BASE;
+ insn.sequence = lituse;
}
emit_insn (&insn);
const PTR vlgsize;
{
if (alpha_target & AXP_OPCODE_BWX)
- emit_ir_load (tok, ntok, ldXu_op[(long)vlgsize]);
+ emit_ir_load (tok, ntok, ldXu_op[(long) vlgsize]);
else
{
expressionS newtok[3];
-
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r
- = ALPHA_RELOC_TABLE (reloc_exp->X_op);
-
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, "ldbu/ldwu");
- ntok--;
- }
-#endif
+ struct alpha_insn insn;
+ int basereg;
+ long lituse;
if (alpha_noat_on)
as_bad (_("macro requires $at register while noat in effect"));
+ if (ntok == 2)
+ basereg = (tok[1].X_op == O_constant
+ ? AXP_REG_ZERO : alpha_gp_register);
+ else
+ basereg = tok[2].X_add_number;
+
/* emit "lda $at, exp" */
- memcpy (newtok, tok, sizeof (expressionS) * ntok);
- newtok[0].X_add_number = AXP_REG_AT;
- assemble_tokens ("lda", newtok, ntok, 1);
+ lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, NULL);
/* emit "ldq_u targ, 0($at)" */
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);
+ 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], AXP_REG_AT);
+ set_tok_reg (newtok[1], basereg);
newtok[2] = newtok[0];
- assemble_tokens (extXl_op[(long)vlgsize], newtok, 3, 1);
+ 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);
}
}
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
int ntok;
const PTR vlgsize;
{
- long lgsize = (long)vlgsize;
+ long lgsize = (long) vlgsize;
expressionS newtok[3];
if (alpha_noat_on)
/* 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" */
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. */
{
expressionS newtok[2];
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, "ldil");
- ntok--;
- }
-#endif
-
memcpy (newtok, tok, sizeof (newtok));
newtok[1].X_add_number = sign_extend_32 (tok[1].X_add_number);
int ntok;
const PTR vlgsize;
{
- int lgsize = (int) (long)vlgsize;
+ int lgsize = (int) (long) vlgsize;
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;
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 (ntok == 2)
+ basereg = (tok[1].X_op == O_constant
+ ? AXP_REG_ZERO : alpha_gp_register);
+ else
+ basereg = tok[2].X_add_number;
/* emit "lda $at, exp" */
- memcpy (newtok, tok, sizeof (expressionS) * ntok);
- newtok[0].X_add_number = AXP_REG_AT;
- assemble_tokens ("lda", newtok, ntok, 1);
+ lituse = load_expression (AXP_REG_AT, &tok[1], &basereg, NULL);
/* emit "ldq_u $t9, 0($at)" */
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);
+ 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 "insXl src, $at, $t10" */
newtok[0] = tok[0];
- set_tok_reg (newtok[1], AXP_REG_AT);
+ set_tok_reg (newtok[1], basereg);
set_tok_reg (newtok[2], AXP_REG_T10);
- assemble_tokens (insXl_op[lgsize], newtok, 3, 1);
+ assemble_tokens_to_insn (insXl_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 "mskXl $t9, $at, $t9" */
set_tok_reg (newtok[0], AXP_REG_T9);
newtok[2] = newtok[0];
- assemble_tokens (mskXl_op[lgsize], newtok, 3, 1);
+ 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" */
/* emit "stq_u $t9, 0($at) */
- set_tok_const (newtok[1], 0);
+ set_tok_const(newtok[1], 0);
set_tok_preg (newtok[2], AXP_REG_AT);
- assemble_tokens ("stq_u", newtok, 3, 1);
+ 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);
}
}
int ntok;
const PTR vlgsize;
{
- int lgsize = (int) (long)vlgsize;
+ int lgsize = (int) (long) vlgsize;
expressionS newtok[3];
/* emit "lda $at, exp" */
/* 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);
}
int ntok;
const PTR vlgsize;
{
- long lgsize = (long)vlgsize;
+ long lgsize = (long) vlgsize;
if (alpha_target & AXP_OPCODE_BWX)
assemble_tokens (sextX_op[lgsize], tok, ntok, 0);
int bitshift = 64 - 8 * (1 << lgsize);
expressionS newtok[3];
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r
- = ALPHA_RELOC_TABLE (reloc_exp->X_op);
-
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, "setxt");
- ntok--;
- }
-#endif
-
/* emit "sll src,bits,dst" */
newtok[0] = tok[0];
symbolS *sym;
expressionS newtok[3];
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, (char char *)symname);
- ntok--;
- }
-#endif
-
xr = regno (tok[0].X_add_number);
yr = regno (tok[1].X_add_number);
{
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);
symbolS *sym;
expressionS newtok[3];
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, (const char *)symname);
- ntok--;
- }
-#endif
-
xr = regno (tok[0].X_add_number);
yr = regno (tok[1].X_add_number);
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)
{
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)
const char *opname = (const char *) vopname;
struct alpha_insn insn;
expressionS newtok[3];
- int r, tokidx = 0, lituse = 0;
-
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, opname);
- ntok--;
- }
-#endif
+ int r, tokidx = 0;
+ long lituse = 0;
if (tokidx < ntok && tok[tokidx].X_op == O_register)
r = regno (tok[tokidx++].X_add_number);
else
{
int basereg = alpha_gp_register;
- lituse = load_expression (r = AXP_REG_PV, &tok[tokidx], &basereg, NULL,
- (const expressionS *)0);
+ lituse = load_expression (r = AXP_REG_PV, &tok[tokidx], &basereg, NULL);
}
#endif
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_symbol;
- insn.fixups[0].exp.X_add_symbol = section_symbol (now_seg);
- insn.fixups[0].exp.X_add_number = LITUSE_JSR;
+ insn.sequence = lituse;
}
emit_insn (&insn);
int ntok;
const PTR vopname;
{
- const char *opname = (const char *)vopname;
+ const char *opname = (const char *) vopname;
expressionS newtok[3];
int r, tokidx = 0;
-#ifdef RELOC_OP_P
- if (ntok && USER_RELOC_P (tok[ntok-1].X_op))
- {
- const expressionS *reloc_exp = &tok[ntok-1];
- const struct alpha_reloc_op_tag *r = ALPHA_RELOC_TABLE (reloc_exp->X_op);
- as_bad (_("Cannot use !%s!%d with %s"), r->name,
- (int)reloc_exp->X_add_number, opname);
- ntok--;
- }
-#endif
-
if (tokidx < ntok && tok[tokidx].X_op == O_register)
r = regno (tok[tokidx++].X_add_number);
else
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);
}
(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_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;
}
if (ECOFF_DEBUGGING)
{
if (fp)
- ecoff_directive_fmask (0);
+ ecoff_directive_fmask (0);
else
- ecoff_directive_mask (0);
+ ecoff_directive_mask (0);
}
else
discard_rest_of_line ();
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;
+ 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 char *first_file_directive;
static void
s_alpha_file (ignore)
/* 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);
+ 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;
+ input_line_pointer = first_file_directive;
ecoff_directive_file (0);
input_line_pointer = save_ilp;
free (first_file_directive);
{
int temp;
#define EVAX_SECTION_COUNT 5
- static char *section_name[EVAX_SECTION_COUNT+1] =
+ static char *section_name[EVAX_SECTION_COUNT + 1] =
{ "NULL", ".rdata", ".comm", ".link", ".ctors", ".dtors" };
if ((secid <= 0) || (secid > EVAX_SECTION_COUNT))
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;
}
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;
}
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);
+ fix_new_exp (frag_now, p - frag_now->fr_literal, 8, &exp, 0, BFD_RELOC_64);
return;
}
else
{
alpha_evax_proc.imask = val;
- (void)get_absolute_expression ();
+ (void) get_absolute_expression ();
}
demand_empty_rest_of_line ();
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:
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);
}
ch = get_symbol_end ();
for (p = cpu_types; p->name; ++p)
- if (strcmp(name, p->name) == 0)
+ if (strcmp (name, p->name) == 0)
{
- alpha_target_name = p->name, alpha_target = p->flags;
+ alpha_target_name = p->name, alpha_target = p->flags;
goto found;
}
- as_warn("Unknown CPU identifier `%s'", name);
+ as_warn ("Unknown CPU identifier `%s'", name);
found:
*input_line_pointer = ch;
demand_empty_rest_of_line ();
}
-
\f
-
#ifdef DEBUG1
/* print token expression with alpha specific extension. */
static void
-alpha_print_token(f, exp)
- FILE *f;
- const expressionS *exp;
+alpha_print_token (f, exp)
+ FILE *f;
+ const expressionS *exp;
{
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;
+ 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;
}
\f
/* The target specific pseudo-ops which we support. */
-const pseudo_typeS md_pseudo_table[] =
-{
+const pseudo_typeS md_pseudo_table[] = {
#ifdef OBJ_ECOFF
{"comm", s_alpha_comm, 0}, /* osf1 compiler does this */
{"rdata", s_alpha_rdata, 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);
/* This is called from HANDLE_ALIGN in write.c. Fill in the contents
of an rs_align_code fragment. */
-void
+void
alpha_handle_align (fragp)
fragS *fragp;
{
static char const unop[4] = { 0x00, 0x00, 0xe0, 0x2f };
static char const nopunop[8] = {
- 0x1f, 0x04, 0xff, 0x47,
- 0x00, 0x00, 0xe0, 0x2f
+ 0x1f, 0x04, 0xff, 0x47,
+ 0x00, 0x00, 0xe0, 0x2f
};
int bytes, fix;
projects / deliverable / binutils-gdb.git / blobdiff