/* tc-sparc.c -- Assemble for the SPARC
- Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
-
+ Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+
This file is part of GAS, the GNU Assembler.
-
+
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
-
+
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* static const char rcsid[] = "$Id$"; */
+#define cypress 1234
#include <stdio.h>
#include <ctype.h>
#include "as.h"
/* careful, this file includes data *declarations* */
-#include "sparc-opcode.h"
-
-void md_begin();
-void md_end();
-void md_number_to_chars();
-void md_assemble();
-char *md_atof();
-void md_convert_frag();
-void md_create_short_jump();
-void md_create_long_jump();
-int md_estimate_size_before_relax();
-void md_ri_to_chars();
-symbolS *md_undefined_symbol();
-static void sparc_ip();
+#include "opcode/sparc.h"
+
+static void sparc_ip PARAMS ((char *));
static enum sparc_architecture current_architecture = v6;
-static int architecture_requested = 0;
-static int warn_on_bump = 1;
+static int architecture_requested;
+static int warn_on_bump;
-const relax_typeS md_relax_table[] = {
- 0 };
+extern int target_big_endian;
+
+const relax_typeS md_relax_table[1];
/* handle of the OPCODE hash table */
static struct hash_control *op_hash = NULL;
-static void s_seg(), s_proc(), s_data1(), s_reserve(), s_common();
-extern void s_globl(), s_long(), s_short(), s_space(), cons();
-extern void s_align_bytes(), s_ignore();
-
-const pseudo_typeS md_pseudo_table[] = {
- { "align", s_align_bytes, 0 }, /* Defaulting is invalid (0) */
- { "common", s_common, 0 },
- { "global", s_globl, 0 },
- { "half", cons, 2 },
- { "optim", s_ignore, 0 },
- { "proc", s_proc, 0 },
- { "reserve", s_reserve, 0 },
- { "seg", s_seg, 0 },
- { "skip", s_space, 0 },
- { "word", cons, 4 },
- { NULL, 0, 0 },
+static void s_data1 PARAMS ((void));
+static void s_seg PARAMS ((int));
+static void s_proc PARAMS ((int));
+static void s_reserve PARAMS ((int));
+static void s_common PARAMS ((int));
+
+const pseudo_typeS md_pseudo_table[] =
+{
+ {"align", s_align_bytes, 0}, /* Defaulting is invalid (0) */
+ {"common", s_common, 0},
+ {"global", s_globl, 0},
+ {"half", cons, 2},
+ {"optim", s_ignore, 0},
+ {"proc", s_proc, 0},
+ {"reserve", s_reserve, 0},
+ {"seg", s_seg, 0},
+ {"skip", s_space, 0},
+ {"word", cons, 4},
+/* start-sanitize-v9 */
+#ifndef NO_V9
+ {"xword", cons, 8},
+#ifdef OBJ_ELF
+ {"uaxword", cons, 8},
+#endif
+#endif
+/* end-sanitize-v9 */
+#ifdef OBJ_ELF
+ /* these are specific to sparc/svr4 */
+ {"pushsection", obj_elf_section, 0},
+ {"popsection", obj_elf_previous, 0},
+ {"uaword", cons, 4},
+ {"uahalf", cons, 2},
+#endif
+ {NULL, 0, 0},
};
const int md_short_jump_size = 4;
const int md_long_jump_size = 4;
-const int md_reloc_size = 12; /* Size of relocation record */
+const int md_reloc_size = 12; /* Size of relocation record */
/* This array holds the chars that always start a comment. If the
pre-processor is disabled, these aren't very useful */
work if '/' isn't otherwise defined. */
const char line_comment_chars[] = "#";
+const char line_separator_chars[] = "";
+
/* Chars that can be used to separate mant from exp in floating point nums */
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "rRsSfFdDxXpP";
/* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
- changed in read.c . Ideally it shouldn't have to know about it at all,
- but nothing is ideal around here.
- */
+ changed in read.c. Ideally it shouldn't have to know about it at all,
+ but nothing is ideal around here. */
static unsigned char octal[256];
-#define isoctal(c) octal[c]
+#define isoctal(c) octal[(unsigned char) (c)]
static unsigned char toHex[256];
-struct sparc_it {
- char *error;
- unsigned long opcode;
- struct nlist *nlistp;
- expressionS exp;
- int pcrel;
- enum reloc_type reloc;
-} the_insn, set_insn;
+struct sparc_it
+ {
+ char *error;
+ unsigned long opcode;
+ struct nlist *nlistp;
+ expressionS exp;
+ int pcrel;
+ bfd_reloc_code_real_type reloc;
+ };
+
+struct sparc_it the_insn, set_insn;
-#ifdef __STDC__
-#if 0
-static void print_insn(struct sparc_it *insn);
-#endif
-static int getExpression(char *str);
-#else
#if 0
-static void print_insn();
-#endif
-static int getExpression();
+static void print_insn PARAMS ((struct sparc_it *insn));
#endif
+static int getExpression PARAMS ((char *str));
+
static char *expr_end;
static int special_case;
* sort of like s_lcomm
*
*/
-static void s_reserve() {
- char *name;
- char c;
- char *p;
- int temp;
- symbolS *symbolP;
-
- name = input_line_pointer;
- c = get_symbol_end();
- p = input_line_pointer;
- *p = c;
- SKIP_WHITESPACE();
- if (* input_line_pointer != ',') {
- as_bad("Expected comma after name");
- ignore_rest_of_line();
- return;
- }
- input_line_pointer ++;
- if ((temp = get_absolute_expression()) < 0) {
- as_bad("BSS length (%d.) <0! Ignored.", temp);
- ignore_rest_of_line();
- return;
- }
- *p = 0;
- symbolP = symbol_find_or_make(name);
- *p = c;
- if (strncmp(input_line_pointer, ",\"bss\"", 6) != 0) {
- as_bad("bad .reserve segment: `%s'", input_line_pointer);
- return;
- }
- input_line_pointer += 6;
- if (S_GET_OTHER(symbolP) == 0
- && S_GET_DESC(symbolP) == 0
- && ((S_GET_TYPE(symbolP) == N_BSS
- && S_GET_VALUE(symbolP) == local_bss_counter)
- || !S_IS_DEFINED(symbolP))) {
- S_SET_VALUE(symbolP, local_bss_counter);
- S_SET_SEGMENT(symbolP, SEG_BSS);
- symbolP->sy_frag = & bss_address_frag;
- local_bss_counter += temp;
- } else {
- as_warn("Ignoring attempt to re-define symbol from %d. to %d.",
- S_GET_VALUE(symbolP), local_bss_counter);
+#ifndef OBJ_ELF
+static int max_alignment = 15;
+#endif
+
+static void
+s_reserve (ignore)
+ int ignore;
+{
+ char *name;
+ char *p;
+ char c;
+ int align;
+ int size;
+ int temp;
+ symbolS *symbolP;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ p = input_line_pointer;
+ *p = c;
+ SKIP_WHITESPACE ();
+
+ if (*input_line_pointer != ',')
+ {
+ as_bad ("Expected comma after name");
+ ignore_rest_of_line ();
+ return;
+ }
+
+ ++input_line_pointer;
+
+ if ((size = get_absolute_expression ()) < 0)
+ {
+ as_bad ("BSS length (%d.) <0! Ignored.", size);
+ ignore_rest_of_line ();
+ return;
+ } /* bad length */
+
+ *p = 0;
+ symbolP = symbol_find_or_make (name);
+ *p = c;
+
+ if (strncmp (input_line_pointer, ",\"bss\"", 6) != 0
+ && strncmp (input_line_pointer, ",\".bss\"", 7) != 0)
+ {
+ as_bad ("bad .reserve segment: `%s'", input_line_pointer);
+ return;
+ }
+
+ if (input_line_pointer[2] == '.')
+ input_line_pointer += 7;
+ else
+ input_line_pointer += 6;
+ SKIP_WHITESPACE ();
+
+ if (*input_line_pointer == ',')
+ {
+ ++input_line_pointer;
+
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == '\n')
+ {
+ as_bad ("Missing alignment");
+ return;
}
- demand_empty_rest_of_line();
- return;
-} /* s_reserve() */
-
-static void s_common() {
- register char *name;
- register char c;
- register char *p;
- register int temp;
- register symbolS * symbolP;
-
- name = input_line_pointer;
- c = get_symbol_end();
- /* just after name is now '\0' */
- p = input_line_pointer;
- *p = c;
- SKIP_WHITESPACE();
- if (* input_line_pointer != ',') {
- as_bad("Expected comma after symbol-name");
- ignore_rest_of_line();
- return;
+
+ align = get_absolute_expression ();
+#ifndef OBJ_ELF
+ if (align > max_alignment)
+ {
+ align = max_alignment;
+ as_warn ("Alignment too large: %d. assumed.", align);
}
- input_line_pointer ++; /* skip ',' */
- if ((temp = get_absolute_expression ()) < 0) {
- as_bad(".COMMon length (%d.) <0! Ignored.", temp);
- ignore_rest_of_line();
- return;
+#endif
+ if (align < 0)
+ {
+ align = 0;
+ as_warn ("Alignment negative. 0 assumed.");
}
- *p = 0;
- symbolP = symbol_find_or_make(name);
- *p = c;
- if (S_IS_DEFINED(symbolP)) {
- as_bad("Ignoring attempt to re-define symbol");
- ignore_rest_of_line();
- return;
+
+ record_alignment (bss_section, align);
+
+ /* convert to a power of 2 alignment */
+ for (temp = 0; (align & 1) == 0; align >>= 1, ++temp);;
+
+ if (align != 1)
+ {
+ as_bad ("Alignment not a power of 2");
+ ignore_rest_of_line ();
+ return;
+ } /* not a power of two */
+
+ align = temp;
+ } /* if has optional alignment */
+ else
+ align = 0;
+
+ if ((S_GET_SEGMENT (symbolP) == bss_section
+ || !S_IS_DEFINED (symbolP))
+#ifdef OBJ_AOUT
+ && S_GET_OTHER (symbolP) == 0
+ && S_GET_DESC (symbolP) == 0
+#endif
+ )
+ {
+ if (! need_pass_2)
+ {
+ char *pfrag;
+ segT current_seg = now_seg;
+ subsegT current_subseg = now_subseg;
+
+ subseg_set (bss_section, 1); /* switch to bss */
+
+ if (align)
+ frag_align (align, 0); /* do alignment */
+
+ /* detach from old frag */
+ if (S_GET_SEGMENT(symbolP) == bss_section)
+ symbolP->sy_frag->fr_symbol = NULL;
+
+ symbolP->sy_frag = frag_now;
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP,
+ size, (char *)0);
+ *pfrag = 0;
+
+ S_SET_SEGMENT (symbolP, bss_section);
+
+ subseg_set (current_seg, current_subseg);
}
- if (S_GET_VALUE(symbolP) != 0) {
- if (S_GET_VALUE(symbolP) != temp) {
- as_warn("Length of .comm \"%s\" is already %d. Not changed to %d.",
- S_GET_NAME(symbolP), S_GET_VALUE(symbolP), temp);
- }
- } else {
- S_SET_VALUE(symbolP, temp);
- S_SET_EXTERNAL(symbolP);
+ }
+ else
+ {
+ as_warn("Ignoring attempt to re-define symbol %s.", name);
+ } /* if not redefining */
+
+ demand_empty_rest_of_line ();
+}
+
+static void
+s_common (ignore)
+ int ignore;
+{
+ char *name;
+ char c;
+ char *p;
+ int temp, size;
+ symbolS *symbolP;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ /* just after name is now '\0' */
+ p = input_line_pointer;
+ *p = c;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != ',')
+ {
+ as_bad ("Expected comma after symbol-name");
+ ignore_rest_of_line ();
+ return;
+ }
+ input_line_pointer++; /* skip ',' */
+ if ((temp = get_absolute_expression ()) < 0)
+ {
+ as_bad (".COMMon length (%d.) <0! Ignored.", temp);
+ ignore_rest_of_line ();
+ return;
+ }
+ size = temp;
+ *p = 0;
+ symbolP = symbol_find_or_make (name);
+ *p = c;
+ if (S_IS_DEFINED (symbolP))
+ {
+ as_bad ("Ignoring attempt to re-define symbol");
+ ignore_rest_of_line ();
+ return;
+ }
+ if (S_GET_VALUE (symbolP) != 0)
+ {
+ if (S_GET_VALUE (symbolP) != size)
+ {
+ as_warn ("Length of .comm \"%s\" is already %ld. Not changed to %d.",
+ S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
}
- know(symbolP->sy_frag == &zero_address_frag);
- if (strncmp(input_line_pointer, ",\"bss\"", 6) != 0
- && strncmp(input_line_pointer, ",\"data\"", 7) != 0) {
- p=input_line_pointer;
- while(*p && *p!='\n')
- p++;
- c= *p;
- *p='\0';
- as_bad("bad .common segment: `%s'", input_line_pointer);
- *p=c;
- return;
+ }
+ else
+ {
+#ifndef OBJ_ELF
+ S_SET_VALUE (symbolP, (valueT) size);
+ S_SET_EXTERNAL (symbolP);
+#endif
+ }
+ know (symbolP->sy_frag == &zero_address_frag);
+ if (*input_line_pointer != ',')
+ {
+ as_bad ("Expected comma after common length");
+ ignore_rest_of_line ();
+ return;
+ }
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != '"')
+ {
+ temp = get_absolute_expression ();
+#ifndef OBJ_ELF
+ if (temp > max_alignment)
+ {
+ temp = max_alignment;
+ as_warn ("Common alignment too large: %d. assumed", temp);
}
- input_line_pointer += 6 + (input_line_pointer[2] == 'd'); /* Skip either */
- demand_empty_rest_of_line();
- return;
-} /* s_common() */
-
-static void s_seg() {
-
- if (strncmp(input_line_pointer, "\"text\"", 6) == 0) {
- input_line_pointer += 6;
- s_text();
- return;
+#endif
+ if (temp < 0)
+ {
+ temp = 0;
+ as_warn ("Common alignment negative; 0 assumed");
}
- if (strncmp(input_line_pointer, "\"data\"", 6) == 0) {
- input_line_pointer += 6;
- s_data();
- return;
+#ifdef OBJ_ELF
+ if (symbolP->local)
+ {
+ segT old_sec;
+ int old_subsec;
+ char *p;
+ int align;
+
+ allocate_bss:
+ old_sec = now_seg;
+ old_subsec = now_subseg;
+ align = temp;
+ record_alignment (bss_section, align);
+ subseg_set (bss_section, 0);
+ if (align)
+ frag_align (align, 0);
+ if (S_GET_SEGMENT (symbolP) == bss_section)
+ symbolP->sy_frag->fr_symbol = 0;
+ symbolP->sy_frag = frag_now;
+ p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
+ (char *) 0);
+ *p = 0;
+ S_SET_SEGMENT (symbolP, bss_section);
+ S_CLEAR_EXTERNAL (symbolP);
+ subseg_set (old_sec, old_subsec);
}
- if (strncmp(input_line_pointer, "\"data1\"", 7) == 0) {
- input_line_pointer += 7;
- s_data1();
- return;
+ else
+#endif
+ {
+ allocate_common:
+ S_SET_VALUE (symbolP, (valueT) size);
+ S_SET_EXTERNAL (symbolP);
+ /* should be common, but this is how gas does it for now */
+ S_SET_SEGMENT (symbolP, &bfd_und_section);
}
- if (strncmp(input_line_pointer, "\"bss\"", 5) == 0) {
- input_line_pointer += 5;
- /* We only support 2 segments -- text and data -- for now, so
- things in the "bss segment" will have to go into data for now.
- You can still allocate SEG_BSS stuff with .lcomm or .reserve. */
- subseg_new(SEG_DATA, 255); /* FIXME-SOMEDAY */
- return;
+ }
+ else
+ {
+ input_line_pointer++;
+ /* @@ Some use the dot, some don't. Can we get some consistency?? */
+ if (*input_line_pointer == '.')
+ input_line_pointer++;
+ /* @@ Some say data, some say bss. */
+ if (strncmp (input_line_pointer, "bss\"", 4)
+ && strncmp (input_line_pointer, "data\"", 5))
+ {
+ while (*--input_line_pointer != '"')
+ ;
+ input_line_pointer--;
+ goto bad_common_segment;
}
- as_bad("Unknown segment type");
- demand_empty_rest_of_line();
- return;
-} /* s_seg() */
+ while (*input_line_pointer++ != '"')
+ ;
+ goto allocate_common;
+ }
+ demand_empty_rest_of_line ();
+ return;
+
+ {
+ bad_common_segment:
+ p = input_line_pointer;
+ while (*p && *p != '\n')
+ p++;
+ c = *p;
+ *p = '\0';
+ as_bad ("bad .common segment %s", input_line_pointer + 1);
+ *p = c;
+ input_line_pointer = p;
+ ignore_rest_of_line ();
+ return;
+ }
+}
+
+static void
+s_seg (ignore)
+ int ignore;
+{
-static void s_data1() {
- subseg_new(SEG_DATA, 1);
- demand_empty_rest_of_line();
- return;
-} /* s_data1() */
+ if (strncmp (input_line_pointer, "\"text\"", 6) == 0)
+ {
+ input_line_pointer += 6;
+ s_text (0);
+ return;
+ }
+ if (strncmp (input_line_pointer, "\"data\"", 6) == 0)
+ {
+ input_line_pointer += 6;
+ s_data (0);
+ return;
+ }
+ if (strncmp (input_line_pointer, "\"data1\"", 7) == 0)
+ {
+ input_line_pointer += 7;
+ s_data1 ();
+ return;
+ }
+ if (strncmp (input_line_pointer, "\"bss\"", 5) == 0)
+ {
+ input_line_pointer += 5;
+ /* We only support 2 segments -- text and data -- for now, so
+ things in the "bss segment" will have to go into data for now.
+ You can still allocate SEG_BSS stuff with .lcomm or .reserve. */
+ subseg_set (data_section, 255); /* FIXME-SOMEDAY */
+ return;
+ }
+ as_bad ("Unknown segment type");
+ demand_empty_rest_of_line ();
+}
+
+static void
+s_data1 ()
+{
+ subseg_set (data_section, 1);
+ demand_empty_rest_of_line ();
+}
-static void s_proc() {
- extern char is_end_of_line[];
-
- while (!is_end_of_line[*input_line_pointer]) {
- ++input_line_pointer;
- }
- ++input_line_pointer;
- return;
-} /* s_proc() */
+static void
+s_proc (ignore)
+ int ignore;
+{
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
+ {
+ ++input_line_pointer;
+ }
+ ++input_line_pointer;
+}
+
+/* start-sanitize-v9 */
+#ifndef NO_V9
+
+struct priv_reg_entry
+ {
+ char *name;
+ int regnum;
+ };
+
+struct priv_reg_entry priv_reg_table[] =
+{
+ {"tpc", 0},
+ {"tnpc", 1},
+ {"tstate", 2},
+ {"tt", 3},
+ {"tick", 4},
+ {"tba", 5},
+ {"pstate", 6},
+ {"tl", 7},
+ {"pil", 8},
+ {"cwp", 9},
+ {"cansave", 10},
+ {"canrestore", 11},
+ {"cleanwin", 12},
+ {"otherwin", 13},
+ {"wstate", 14},
+ {"fq", 15},
+ {"ver", 31},
+ {"", -1}, /* end marker */
+};
+
+struct membar_masks
+{
+ char *name;
+ unsigned int len;
+ unsigned int mask;
+};
+
+#define MEMBAR_MASKS_SIZE 7
+
+struct membar_masks membar_masks[MEMBAR_MASKS_SIZE] =
+{
+ {"Sync", 4, 0x40},
+ {"MemIssue", 8, 0x20},
+ {"Lookaside", 9, 0x10},
+ {"StoreStore", 10, 0x08},
+ {"LoadStore", 9, 0x04},
+ {"StoreLoad", 9, 0x02},
+ {"LoadLoad", 8, 0x01},
+};
+
+static int
+cmp_reg_entry (p, q)
+ struct priv_reg_entry *p, *q;
+{
+ return strcmp (q->name, p->name);
+}
+
+#endif
+/* end-sanitize-v9 */
/* This function is called once, at assembler startup time. It should
set up all the tables, etc. that the MD part of the assembler will need. */
-void md_begin() {
- register char *retval = NULL;
- int lose = 0;
- register unsigned int i = 0;
-
- op_hash = hash_new();
- if (op_hash == NULL)
- as_fatal("Virtual memory exhausted");
-
- while (i < NUMOPCODES) {
- const char *name = sparc_opcodes[i].name;
- retval = hash_insert(op_hash, name, &sparc_opcodes[i]);
- if(retval != NULL && *retval != '\0') {
- fprintf (stderr, "internal error: can't hash `%s': %s\n",
- sparc_opcodes[i].name, retval);
- lose = 1;
- }
- do
- {
- if (sparc_opcodes[i].match & sparc_opcodes[i].lose) {
- fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n",
- sparc_opcodes[i].name, sparc_opcodes[i].args);
- lose = 1;
- }
- ++i;
- } while (i < NUMOPCODES
- && !strcmp(sparc_opcodes[i].name, name));
- }
-
- if (lose)
- as_fatal("Broken assembler. No assembly attempted.");
-
- for (i = '0'; i < '8'; ++i)
- octal[i] = 1;
- for (i = '0'; i <= '9'; ++i)
- toHex[i] = i - '0';
- for (i = 'a'; i <= 'f'; ++i)
- toHex[i] = i + 10 - 'a';
- for (i = 'A'; i <= 'F'; ++i)
- toHex[i] = i + 10 - 'A';
-} /* md_begin() */
-
-void md_end() {
- return;
-} /* md_end() */
-
-void md_assemble(str)
-char *str;
+void
+md_begin ()
{
- char *toP;
- int rsd;
-
- know(str);
- sparc_ip(str);
-
- /* See if "set" operand is absolute and small; skip sethi if so. */
- if (special_case == SPECIAL_CASE_SET && the_insn.exp.X_seg == SEG_ABSOLUTE) {
- if (the_insn.exp.X_add_number >= -(1<<12)
- && the_insn.exp.X_add_number < (1<<12)) {
- the_insn.opcode = 0x80102000 /* or %g0,imm,... */
- | (the_insn.opcode & 0x3E000000) /* dest reg */
- | (the_insn.exp.X_add_number & 0x1FFF); /* imm */
- special_case = 0; /* No longer special */
- the_insn.reloc = NO_RELOC; /* No longer relocated */
- }
+ register const char *retval = NULL;
+ int lose = 0;
+ register unsigned int i = 0;
+
+ op_hash = hash_new ();
+
+ while (i < NUMOPCODES)
+ {
+ const char *name = sparc_opcodes[i].name;
+ retval = hash_insert (op_hash, name, &sparc_opcodes[i]);
+ if (retval != NULL)
+ {
+ fprintf (stderr, "internal error: can't hash `%s': %s\n",
+ sparc_opcodes[i].name, retval);
+ lose = 1;
}
-
- toP = frag_more(4);
- /* put out the opcode */
- md_number_to_chars(toP, the_insn.opcode, 4);
-
- /* put out the symbol-dependent stuff */
- if (the_insn.reloc != NO_RELOC) {
- fix_new(frag_now, /* which frag */
- (toP - frag_now->fr_literal), /* where */
- 4, /* size */
- the_insn.exp.X_add_symbol,
- the_insn.exp.X_subtract_symbol,
- the_insn.exp.X_add_number,
- the_insn.pcrel,
- the_insn.reloc);
+ do
+ {
+ if (sparc_opcodes[i].match & sparc_opcodes[i].lose)
+ {
+ fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n",
+ sparc_opcodes[i].name, sparc_opcodes[i].args);
+ lose = 1;
+ }
+ ++i;
}
- switch (special_case) {
-
- case SPECIAL_CASE_SET:
- special_case = 0;
- assert(the_insn.reloc == RELOC_HI22);
- /* See if "set" operand has no low-order bits; skip OR if so. */
- if (the_insn.exp.X_seg == SEG_ABSOLUTE
- && ((the_insn.exp.X_add_number & 0x3FF) == 0))
- return;
- toP = frag_more(4);
- rsd = (the_insn.opcode >> 25) & 0x1f;
- the_insn.opcode = 0x80102000 | (rsd << 25) | (rsd << 14);
- md_number_to_chars(toP, the_insn.opcode, 4);
- fix_new(frag_now, /* which frag */
- (toP - frag_now->fr_literal), /* where */
- 4, /* size */
- the_insn.exp.X_add_symbol,
- the_insn.exp.X_subtract_symbol,
- the_insn.exp.X_add_number,
- the_insn.pcrel,
- RELOC_LO10);
- return;
-
- case SPECIAL_CASE_FDIV:
- /* According to information leaked from Sun, the "fdiv" instructions
- on early SPARC machines would produce incorrect results sometimes.
- The workaround is to add an fmovs of the destination register to
- itself just after the instruction. This was true on machines
- with Weitek 1165 float chips, such as the Sun-4/260 and /280. */
- special_case = 0;
- assert(the_insn.reloc == NO_RELOC);
- toP = frag_more(4);
- rsd = (the_insn.opcode >> 25) & 0x1f;
- the_insn.opcode = 0x81A00020 | (rsd << 25) | rsd; /* fmovs dest,dest */
- md_number_to_chars(toP, the_insn.opcode, 4);
- return;
-
- case 0:
- return;
-
- default:
- abort();
- }
-} /* md_assemble() */
+ while (i < NUMOPCODES
+ && !strcmp (sparc_opcodes[i].name, name));
+ }
+
+ if (lose)
+ as_fatal ("Broken assembler. No assembly attempted.");
+
+ for (i = '0'; i < '8'; ++i)
+ octal[i] = 1;
+ for (i = '0'; i <= '9'; ++i)
+ toHex[i] = i - '0';
+ for (i = 'a'; i <= 'f'; ++i)
+ toHex[i] = i + 10 - 'a';
+ for (i = 'A'; i <= 'F'; ++i)
+ toHex[i] = i + 10 - 'A';
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+#ifdef sparcv9
+ current_architecture = v9;
+#endif
+
+ qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]),
+ sizeof (priv_reg_table[0]), cmp_reg_entry);
+#endif
+ /* end-sanitize-v9 */
-static void sparc_ip(str)
-char *str;
+ target_big_endian = 1;
+}
+
+void
+md_assemble (str)
+ char *str;
{
- char *error_message = "";
- char *s;
- const char *args;
- char c;
- struct sparc_opcode *insn;
- char *argsStart;
- unsigned long opcode;
- unsigned int mask;
- int match = 0;
- int comma = 0;
-
- for (s = str; islower(*s) || (*s >= '0' && *s <= '3'); ++s)
- ;
- switch (*s) {
-
- case '\0':
- break;
-
- case ',':
- comma = 1;
-
- /*FALLTHROUGH */
-
- case ' ':
- *s++ = '\0';
- break;
-
- default:
- as_bad("Unknown opcode: `%s'", str);
- exit(1);
- }
- if ((insn = (struct sparc_opcode *) hash_find(op_hash, str)) == NULL) {
- as_bad("Unknown opcode: `%s'", str);
- return;
+ char *toP;
+ int rsd;
+
+ know (str);
+ sparc_ip (str);
+
+ /* See if "set" operand is absolute and small; skip sethi if so. */
+ if (special_case == SPECIAL_CASE_SET
+ && the_insn.exp.X_op == O_constant)
+ {
+ if (the_insn.exp.X_add_number >= -(1 << 12)
+ && the_insn.exp.X_add_number < (1 << 12))
+ {
+ the_insn.opcode = 0x80102000 /* or %g0,imm,... */
+ | (the_insn.opcode & 0x3E000000) /* dest reg */
+ | (the_insn.exp.X_add_number & 0x1FFF); /* imm */
+ special_case = 0; /* No longer special */
+ the_insn.reloc = BFD_RELOC_NONE; /* No longer relocated */
}
- if (comma) {
- *--s = ',';
- }
- argsStart = s;
- for (;;) {
- opcode = insn->match;
- bzero(&the_insn, sizeof(the_insn));
- the_insn.reloc = NO_RELOC;
-
- /*
- * Build the opcode, checking as we go to make
- * sure that the operands match
- */
- for (args = insn->args; ; ++args) {
- switch (*args) {
-
- case 'M':
- case 'm':
- if (strncmp(s, "%asr", 4) == 0) {
- s += 4;
-
- if (isdigit(*s)) {
- long num = 0;
-
- while (isdigit(*s)) {
- num = num*10 + *s-'0';
- ++s;
- }
-
- if (num < 16 || 31 < num) {
- error_message = ": asr number must be between 15 and 31";
- goto error;
- } /* out of range */
-
- opcode |= (*args == 'M' ? RS1(num) : RD(num));
- continue;
- } else {
- error_message = ": expecting %asrN";
- goto error;
- } /* if %asr followed by a number. */
-
- } /* if %asr */
- break;
-
- /* start-sanitize-v9 */
+ }
+
+ toP = frag_more (4);
+ /* put out the opcode */
+ md_number_to_chars (toP, (valueT) the_insn.opcode, 4);
+
+ /* put out the symbol-dependent stuff */
+ if (the_insn.reloc != BFD_RELOC_NONE)
+ {
+ fix_new_exp (frag_now, /* which frag */
+ (toP - frag_now->fr_literal), /* where */
+ 4, /* size */
+ &the_insn.exp,
+ the_insn.pcrel,
+ the_insn.reloc);
+ }
+
+ switch (special_case)
+ {
+ case SPECIAL_CASE_SET:
+ special_case = 0;
+ assert (the_insn.reloc == BFD_RELOC_HI22);
+ /* See if "set" operand has no low-order bits; skip OR if so. */
+ if (the_insn.exp.X_op == O_constant
+ && ((the_insn.exp.X_add_number & 0x3FF) == 0))
+ return;
+ toP = frag_more (4);
+ rsd = (the_insn.opcode >> 25) & 0x1f;
+ the_insn.opcode = 0x80102000 | (rsd << 25) | (rsd << 14);
+ md_number_to_chars (toP, (valueT) the_insn.opcode, 4);
+ fix_new_exp (frag_now, /* which frag */
+ (toP - frag_now->fr_literal), /* where */
+ 4, /* size */
+ &the_insn.exp,
+ the_insn.pcrel,
+ BFD_RELOC_LO10);
+ return;
+
+ case SPECIAL_CASE_FDIV:
+ /* According to information leaked from Sun, the "fdiv" instructions
+ on early SPARC machines would produce incorrect results sometimes.
+ The workaround is to add an fmovs of the destination register to
+ itself just after the instruction. This was true on machines
+ with Weitek 1165 float chips, such as the Sun-4/260 and /280. */
+ special_case = 0;
+ assert (the_insn.reloc == BFD_RELOC_NONE);
+ toP = frag_more (4);
+ rsd = (the_insn.opcode >> 25) & 0x1f;
+ the_insn.opcode = 0x81A00020 | (rsd << 25) | rsd; /* fmovs dest,dest */
+ md_number_to_chars (toP, (valueT) the_insn.opcode, 4);
+ return;
+
+ case 0:
+ return;
+
+ default:
+ as_fatal ("failed sanity check.");
+ }
+}
+
+static void
+sparc_ip (str)
+ char *str;
+{
+ char *error_message = "";
+ char *s;
+ const char *args;
+ char c;
+ struct sparc_opcode *insn;
+ char *argsStart;
+ unsigned long opcode;
+ unsigned int mask = 0;
+ int match = 0;
+ int comma = 0;
+ long immediate_max = 0;
+
+ for (s = str; islower (*s) || (*s >= '0' && *s <= '3'); ++s)
+ ;
+ switch (*s)
+ {
+
+ case '\0':
+ break;
+
+ case ',':
+ comma = 1;
+
+ /*FALLTHROUGH */
+
+ case ' ':
+ *s++ = '\0';
+ break;
+
+ default:
+ as_bad ("Unknown opcode: `%s'", str);
+ exit (1);
+ }
+ if ((insn = (struct sparc_opcode *) hash_find (op_hash, str)) == NULL)
+ {
+ as_bad ("Unknown opcode: `%s'", str);
+ return;
+ }
+ if (comma)
+ {
+ *--s = ',';
+ }
+ argsStart = s;
+ for (;;)
+ {
+ opcode = insn->match;
+ memset (&the_insn, '\0', sizeof (the_insn));
+ the_insn.reloc = BFD_RELOC_NONE;
+
+ /*
+ * Build the opcode, checking as we go to make
+ * sure that the operands match
+ */
+ for (args = insn->args;; ++args)
+ {
+ switch (*args)
+ {
+
+ /* start-sanitize-v9 */
#ifndef NO_V9
- case 'I':
- the_insn.reloc = RELOC_11;
- goto immediate;
-
- case 'k':
- the_insn.reloc = RELOC_WDISP2_14;
- the_insn.pcrel = 1;
- goto immediate;
-
- case 'G':
- the_insn.reloc = RELOC_WDISP19;
- the_insn.pcrel = 1;
- goto immediate;
-
- case 'N':
- if (*s == 'p' && s[1] == 'n') {
- s += 2;
- continue;
- }
- break;
-
- case 'T':
- if (*s == 'p' && s[1] == 't') {
- s += 2;
- continue;
- }
- break;
-
- case 'Y':
- if (strncmp(s, "%amr", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case 'z':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "icc", 3) == 0) {
- s += 3;
- continue;
- }
- break;
-
- case 'Z':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "xcc", 3) == 0) {
- s += 3;
- continue;
- }
- break;
-
- case '6':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "fcc0", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case '7':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "fcc1", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case '8':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "fcc2", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case '9':
- if (*s == ' ') {
- ++s;
- }
- if (strncmp(s, "fcc3", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case 'P':
- if (strncmp(s, "%pc", 3) == 0) {
- s += 3;
- continue;
- }
- break;
-
- case 'E':
- if (strncmp(s, "%modes", 6) == 0) {
- s += 6;
- continue;
- }
- break;
-
- case 'W':
- if (strncmp(s, "%tick", 5) == 0) {
- s += 5;
- continue;
- }
- break;
+ case 'K':
+ {
+ int kmask = 0;
+ int i;
+
+ /* Parse a series of masks. */
+ if (*s == '#')
+ {
+ while (*s == '#')
+ {
+ ++s;
+ for (i = 0; i < MEMBAR_MASKS_SIZE; i++)
+ if (!strncmp (s, membar_masks[i].name,
+ membar_masks[i].len))
+ break;
+ if (i < MEMBAR_MASKS_SIZE)
+ {
+ kmask |= membar_masks[i].mask;
+ s += membar_masks[i].len;
+ }
+ else
+ {
+ error_message = ": invalid membar mask name";
+ goto error;
+ }
+ if (*s == '|')
+ ++s;
+ }
+ }
+ else
+ {
+ expressionS exp;
+ char *hold;
+ char *send;
+
+ hold = input_line_pointer;
+ input_line_pointer = s;
+ expression (&exp);
+ send = input_line_pointer;
+ input_line_pointer = hold;
+
+ kmask = exp.X_add_number;
+ if (exp.X_op != O_constant
+ || kmask < 0
+ || kmask > 127)
+ {
+ error_message = ": invalid membar mask number";
+ goto error;
+ }
+
+ s = send;
+ }
+
+ opcode |= SIMM13 (kmask);
+ continue;
+ }
+
+ case '*':
+ {
+ int prefetch_fcn = 0;
+
+ /* Parse a prefetch function. */
+ if (*s == '#')
+ {
+ s += 1;
+ if (!strncmp (s, "n_reads", 7))
+ prefetch_fcn = 0, s += 7;
+ else if (!strncmp (s, "one_read", 8))
+ prefetch_fcn = 1, s += 8;
+ else if (!strncmp (s, "n_writes", 8))
+ prefetch_fcn = 2, s += 8;
+ else if (!strncmp (s, "one_write", 9))
+ prefetch_fcn = 3, s += 9;
+ else if (!strncmp (s, "page", 4))
+ prefetch_fcn = 4, s += 4;
+ else
+ {
+ error_message = ": invalid prefetch function name";
+ goto error;
+ }
+ }
+ else if (isdigit (*s))
+ {
+ while (isdigit (*s))
+ {
+ prefetch_fcn = prefetch_fcn * 10 + *s - '0';
+ ++s;
+ }
+
+ if (prefetch_fcn < 0 || prefetch_fcn > 31)
+ {
+ error_message = ": invalid prefetch function number";
+ goto error;
+ }
+ }
+ else
+ {
+ error_message = ": unrecognizable prefetch function";
+ goto error;
+ }
+ opcode |= RD (prefetch_fcn);
+ continue;
+ }
+
+ case '!':
+ case '?':
+ /* Parse a privileged register. */
+ if (*s == '%')
+ {
+ struct priv_reg_entry *p = priv_reg_table;
+ unsigned int len = 9999999; /* init to make gcc happy */
+
+ s += 1;
+ while (p->name[0] > s[0])
+ p++;
+ while (p->name[0] == s[0])
+ {
+ len = strlen (p->name);
+ if (strncmp (p->name, s, len) == 0)
+ break;
+ p++;
+ }
+ if (p->name[0] != s[0])
+ {
+ error_message = ": unrecognizable privileged register";
+ goto error;
+ }
+ if (*args == '?')
+ opcode |= (p->regnum << 14);
+ else
+ opcode |= (p->regnum << 25);
+ s += len;
+ continue;
+ }
+ else
+ {
+ error_message = ": unrecognizable privileged register";
+ goto error;
+ }
+#endif
+ /* end-sanitize-v9 */
+
+ case 'M':
+ case 'm':
+ if (strncmp (s, "%asr", 4) == 0)
+ {
+ s += 4;
+
+ if (isdigit (*s))
+ {
+ long num = 0;
+
+ while (isdigit (*s))
+ {
+ num = num * 10 + *s - '0';
+ ++s;
+ }
+
+ if (num < 16 || 31 < num)
+ {
+ error_message = ": asr number must be between 15 and 31";
+ goto error;
+ } /* out of range */
+
+ opcode |= (*args == 'M' ? RS1 (num) : RD (num));
+ continue;
+ }
+ else
+ {
+ error_message = ": expecting %asrN";
+ goto error;
+ } /* if %asr followed by a number. */
+
+ } /* if %asr */
+ break;
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case 'I':
+ the_insn.reloc = BFD_RELOC_SPARC_11;
+ immediate_max = 0x03FF;
+ goto immediate;
+
+ case 'j':
+ the_insn.reloc = BFD_RELOC_SPARC_10;
+ immediate_max = 0x01FF;
+ goto immediate;
+
+ case 'k':
+ the_insn.reloc = /* RELOC_WDISP2_14 */ BFD_RELOC_SPARC_WDISP16;
+ the_insn.pcrel = 1;
+ goto immediate;
+
+ case 'G':
+ the_insn.reloc = BFD_RELOC_SPARC_WDISP19;
+ the_insn.pcrel = 1;
+ goto immediate;
+
+ case 'N':
+ if (*s == 'p' && s[1] == 'n')
+ {
+ s += 2;
+ continue;
+ }
+ break;
+
+ case 'T':
+ if (*s == 'p' && s[1] == 't')
+ {
+ s += 2;
+ continue;
+ }
+ break;
+
+ case 'z':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%icc", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
+
+ case 'Z':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%xcc", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
+
+ case '6':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%fcc0", 5) == 0)
+ {
+ s += 5;
+ continue;
+ }
+ break;
+
+ case '7':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%fcc1", 5) == 0)
+ {
+ s += 5;
+ continue;
+ }
+ break;
+
+ case '8':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%fcc2", 5) == 0)
+ {
+ s += 5;
+ continue;
+ }
+ break;
+
+ case '9':
+ if (*s == ' ')
+ {
+ ++s;
+ }
+ if (strncmp (s, "%fcc3", 5) == 0)
+ {
+ s += 5;
+ continue;
+ }
+ break;
+
+ case 'P':
+ if (strncmp (s, "%pc", 3) == 0)
+ {
+ s += 3;
+ continue;
+ }
+ break;
+
+ case 'W':
+ if (strncmp (s, "%tick", 5) == 0)
+ {
+ s += 5;
+ continue;
+ }
+ break;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
-
- case '\0': /* end of args */
- if (*s == '\0') {
- match = 1;
- }
- break;
-
- case '+':
- if (*s == '+') {
- ++s;
- continue;
- }
- if (*s == '-') {
- continue;
- }
- break;
-
- case '[': /* these must match exactly */
- case ']':
- case ',':
- case ' ':
- if (*s++ == *args)
- continue;
- break;
-
- case '#': /* must be at least one digit */
- if (isdigit(*s++)) {
- while (isdigit(*s)) {
- ++s;
- }
- continue;
- }
- break;
-
- case 'C': /* coprocessor state register */
- if (strncmp(s, "%csr", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case 'b': /* next operand is a coprocessor register */
- case 'c':
- case 'D':
- if (*s++ == '%' && *s++ == 'c' && isdigit(*s)) {
- mask = *s++;
- if (isdigit(*s)) {
- mask = 10 * (mask - '0') + (*s++ - '0');
- if (mask >= 32) {
- break;
- }
- } else {
- mask -= '0';
- }
- switch (*args) {
-
- case 'b':
- opcode |= mask << 14;
- continue;
-
- case 'c':
- opcode |= mask;
- continue;
-
- case 'D':
- opcode |= mask << 25;
- continue;
- }
- }
- break;
-
- case 'r': /* next operand must be a register */
- case '1':
- case '2':
- case 'd':
- if (*s++ == '%') {
- switch (c = *s++) {
-
- case 'f': /* frame pointer */
- if (*s++ == 'p') {
- mask = 0x1e;
- break;
- }
- goto error;
-
- case 'g': /* global register */
- if (isoctal(c = *s++)) {
- mask = c - '0';
- break;
- }
- goto error;
-
- case 'i': /* in register */
- if (isoctal(c = *s++)) {
- mask = c - '0' + 24;
- break;
- }
- goto error;
-
- case 'l': /* local register */
- if (isoctal(c = *s++)) {
- mask= (c - '0' + 16) ;
- break;
- }
- goto error;
-
- case 'o': /* out register */
- if (isoctal(c = *s++)) {
- mask= (c - '0' + 8) ;
- break;
- }
- goto error;
-
- case 's': /* stack pointer */
- if (*s++ == 'p') {
- mask= 0xe;
- break;
- }
- goto error;
-
- case 'r': /* any register */
- if (!isdigit(c = *s++)) {
- goto error;
- }
- /* FALLTHROUGH */
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- if (isdigit(*s)) {
- if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32) {
- goto error;
- }
- } else {
- c -= '0';
- }
- mask= c;
- break;
-
- default:
- goto error;
- }
- /*
+ /* end-sanitize-v9 */
+
+ case '\0': /* end of args */
+ if (*s == '\0')
+ {
+ match = 1;
+ }
+ break;
+
+ case '+':
+ if (*s == '+')
+ {
+ ++s;
+ continue;
+ }
+ if (*s == '-')
+ {
+ continue;
+ }
+ break;
+
+ case '[': /* these must match exactly */
+ case ']':
+ case ',':
+ case ' ':
+ if (*s++ == *args)
+ continue;
+ break;
+
+ case '#': /* must be at least one digit */
+ if (isdigit (*s++))
+ {
+ while (isdigit (*s))
+ {
+ ++s;
+ }
+ continue;
+ }
+ break;
+
+ case 'C': /* coprocessor state register */
+ if (strncmp (s, "%csr", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
+
+ case 'b': /* next operand is a coprocessor register */
+ case 'c':
+ case 'D':
+ if (*s++ == '%' && *s++ == 'c' && isdigit (*s))
+ {
+ mask = *s++;
+ if (isdigit (*s))
+ {
+ mask = 10 * (mask - '0') + (*s++ - '0');
+ if (mask >= 32)
+ {
+ break;
+ }
+ }
+ else
+ {
+ mask -= '0';
+ }
+ switch (*args)
+ {
+
+ case 'b':
+ opcode |= mask << 14;
+ continue;
+
+ case 'c':
+ opcode |= mask;
+ continue;
+
+ case 'D':
+ opcode |= mask << 25;
+ continue;
+ }
+ }
+ break;
+
+ case 'r': /* next operand must be a register */
+ case '1':
+ case '2':
+ case 'd':
+ if (*s++ == '%')
+ {
+ switch (c = *s++)
+ {
+
+ case 'f': /* frame pointer */
+ if (*s++ == 'p')
+ {
+ mask = 0x1e;
+ break;
+ }
+ goto error;
+
+ case 'g': /* global register */
+ if (isoctal (c = *s++))
+ {
+ mask = c - '0';
+ break;
+ }
+ goto error;
+
+ case 'i': /* in register */
+ if (isoctal (c = *s++))
+ {
+ mask = c - '0' + 24;
+ break;
+ }
+ goto error;
+
+ case 'l': /* local register */
+ if (isoctal (c = *s++))
+ {
+ mask = (c - '0' + 16);
+ break;
+ }
+ goto error;
+
+ case 'o': /* out register */
+ if (isoctal (c = *s++))
+ {
+ mask = (c - '0' + 8);
+ break;
+ }
+ goto error;
+
+ case 's': /* stack pointer */
+ if (*s++ == 'p')
+ {
+ mask = 0xe;
+ break;
+ }
+ goto error;
+
+ case 'r': /* any register */
+ if (!isdigit (c = *s++))
+ {
+ goto error;
+ }
+ /* FALLTHROUGH */
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ if (isdigit (*s))
+ {
+ if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32)
+ {
+ goto error;
+ }
+ }
+ else
+ {
+ c -= '0';
+ }
+ mask = c;
+ break;
+
+ default:
+ goto error;
+ }
+ /*
* Got the register, now figure out where
* it goes in the opcode.
*/
- switch (*args) {
-
- case '1':
- opcode |= mask << 14;
- continue;
-
- case '2':
- opcode |= mask;
- continue;
-
- case 'd':
- opcode |= mask << 25;
- continue;
-
- case 'r':
- opcode |= (mask << 25) | (mask << 14);
- continue;
- }
- }
- break;
-
- /* start-sanitize-v9 */
+ switch (*args)
+ {
+
+ case '1':
+ opcode |= mask << 14;
+ continue;
+
+ case '2':
+ opcode |= mask;
+ continue;
+
+ case 'd':
+ opcode |= mask << 25;
+ continue;
+
+ case 'r':
+ opcode |= (mask << 25) | (mask << 14);
+ continue;
+ }
+ }
+ break;
+
+ case 'e': /* next operand is a floating point register */
+ case 'v':
+ case 'V':
+
+ case 'f':
+ case 'B':
+ case 'R':
+
+ case 'g':
+ case 'H':
+ case 'J':
+ {
+ char format;
+
+ if (*s++ == '%'
+ && ((format = *s) == 'f')
+ && isdigit (*++s))
+ {
+ for (mask = 0; isdigit (*s); ++s)
+ {
+ mask = 10 * mask + (*s - '0');
+ } /* read the number */
+
+ if ((*args == 'v'
+ || *args == 'B'
+ || *args == 'H')
+ && (mask & 1))
+ {
+ break;
+ } /* register must be even numbered */
+
+ if ((*args == 'V'
+ || *args == 'R'
+ || *args == 'J')
+ && (mask & 3))
+ {
+ break;
+ } /* register must be multiple of 4 */
+
+/* start-sanitize-v9 */
#ifndef NO_V9
- case 'j':
+ if (mask >= 64)
+ {
+ error_message = ": There are only 64 f registers; [0-63]";
+ goto error;
+ } /* on error */
+ if (mask >= 32)
+ {
+ mask -= 31;
+ } /* wrap high bit */
+#else
+/* end-sanitize-v9 */
+ if (mask >= 32)
+ {
+ error_message = ": There are only 32 f registers; [0-31]";
+ goto error;
+ } /* on error */
+/* start-sanitize-v9 */
+#endif
+/* end-sanitize-v9 */
+ }
+ else
+ {
+ break;
+ } /* if not an 'f' register. */
+
+ switch (*args)
+ {
+
+ case 'v':
+ case 'V':
+ case 'e':
+ opcode |= RS1 (mask);
+ continue;
+
+
+ case 'f':
+ case 'B':
+ case 'R':
+ opcode |= RS2 (mask);
+ continue;
+
+ case 'g':
+ case 'H':
+ case 'J':
+ opcode |= RD (mask);
+ continue;
+ } /* pack it in. */
+
+ know (0);
+ break;
+ } /* float arg */
+
+ case 'F':
+ if (strncmp (s, "%fsr", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
+
+ case 'h': /* high 22 bits */
+ the_insn.reloc = BFD_RELOC_HI22;
+ goto immediate;
+
+ case 'l': /* 22 bit PC relative immediate */
+ the_insn.reloc = BFD_RELOC_SPARC_WDISP22;
+ the_insn.pcrel = 1;
+ goto immediate;
+
+ case 'L': /* 30 bit immediate */
+ the_insn.reloc = BFD_RELOC_32_PCREL_S2;
+ the_insn.pcrel = 1;
+ goto immediate;
+
+ case 'n': /* 22 bit immediate */
+ the_insn.reloc = BFD_RELOC_SPARC22;
+ goto immediate;
+
+ case 'i': /* 13 bit immediate */
+ /* What's the difference between base13 and 13? */
+ the_insn.reloc = BFD_RELOC_SPARC_BASE13;
+ immediate_max = 0x0FFF;
+
+ /*FALLTHROUGH */
+
+ immediate:
+ if (*s == ' ')
+ s++;
+ if (*s == '%')
+ {
+ if ((c = s[1]) == 'h' && s[2] == 'i')
+ {
+ the_insn.reloc = BFD_RELOC_HI22;
+ s += 3;
+ }
+ else if (c == 'l' && s[2] == 'o')
+ {
+ the_insn.reloc = BFD_RELOC_LO10;
+ s += 3;
+ }
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ else if (c == 'u'
+ && s[2] == 'h'
+ && s[3] == 'i')
+ {
+ the_insn.reloc = BFD_RELOC_SPARC_HH22;
+ s += 4;
+ }
+ else if (c == 'u'
+ && s[2] == 'l'
+ && s[3] == 'o')
+ {
+ the_insn.reloc = BFD_RELOC_SPARC_HM10;
+ s += 4;
+ }
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- case 'e': /* next operand is a floating point register */
- case 'f':
- case 'g':
- if (*s++ == '%' && *s++ == 'f' && isdigit(*s)) {
- mask = *s++;
- if (isdigit(*s)) {
- mask = 10 * (mask - '0') + (*s++ - '0');
- if (mask >= 32) {
- break;
- }
- } else {
- mask -= '0';
- }
- switch (*args) {
-
- case 'e':
- opcode |= RS1(mask);
- continue;
-
- case 'f':
- opcode |= RS2(mask);
- continue;
-
- case 'g':
- opcode |= RD(mask);
- continue;
- /* start-sanitize-v9 */
+ /* end-sanitize-v9 */
+ else
+ break;
+ }
+ /* Note that if the getExpression() fails, we will still
+ have created U entries in the symbol table for the
+ 'symbols' in the input string. Try not to create U
+ symbols for registers, etc. */
+ {
+ /* This stuff checks to see if the expression ends in
+ +%reg. If it does, it removes the register from
+ the expression, and re-sets 's' to point to the
+ right place. */
+
+ char *s1;
+
+ for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++);;
+
+ if (s1 != s && isdigit (s1[-1]))
+ {
+ if (s1[-2] == '%' && s1[-3] == '+')
+ {
+ s1 -= 3;
+ *s1 = '\0';
+ (void) getExpression (s);
+ *s1 = '+';
+ s = s1;
+ continue;
+ }
+ else if (strchr ("goli0123456789", s1[-2]) && s1[-3] == '%' && s1[-4] == '+')
+ {
+ s1 -= 4;
+ *s1 = '\0';
+ (void) getExpression (s);
+ *s1 = '+';
+ s = s1;
+ continue;
+ }
+ }
+ }
+ (void) getExpression (s);
+ s = expr_end;
+
+ if (the_insn.exp.X_op == O_constant
+ && the_insn.exp.X_add_symbol == 0
+ && the_insn.exp.X_op_symbol == 0)
+ {
+ /* start-sanitize-v9 */
#ifndef NO_V9
- case 'j':
- opcode |= (mask & 0x1f) << 9;
- continue;
+ switch (the_insn.reloc)
+ {
+ case BFD_RELOC_SPARC_HH22:
+ the_insn.reloc = BFD_RELOC_HI22;
+ the_insn.exp.X_add_number >>= 32;
+ break;
+ case BFD_RELOC_SPARC_HM10:
+ the_insn.reloc = BFD_RELOC_LO10;
+ the_insn.exp.X_add_number >>= 32;
+ break;
+ default:
+ break;
+ }
+#endif
+ /* end-sanitize-v9 */
+ /* Check for invalid constant values. Don't warn if
+ constant was inside %hi or %lo, since these
+ truncate the constant to fit. */
+ if (immediate_max != 0
+ && the_insn.reloc != BFD_RELOC_LO10
+ && the_insn.reloc != BFD_RELOC_HI22
+ && (the_insn.exp.X_add_number > immediate_max
+ || the_insn.exp.X_add_number < ~immediate_max))
+ as_bad ("constant value must be between %ld and %ld",
+ ~immediate_max, immediate_max);
+ }
+
+ /* Reset to prevent extraneous range check. */
+ immediate_max = 0;
+
+ continue;
+
+ case 'a':
+ if (*s++ == 'a')
+ {
+ opcode |= ANNUL;
+ continue;
+ }
+ break;
+
+ case 'A':
+ {
+/* start-sanitize-v9 */
+#ifdef NO_V9
+/* end-sanitize-v9 */
+ char *push = input_line_pointer;
+ expressionS e;
+
+ input_line_pointer = s;
+
+ expression (&e);
+ if (e.X_op == O_constant)
+ {
+ opcode |= e.X_add_number << 5;
+ s = input_line_pointer;
+ input_line_pointer = push;
+ continue;
+ } /* if absolute */
+
+ break;
+/* start-sanitize-v9 */
+#else
+ int asi = 0;
+
+ /* Parse an asi. */
+ if (*s == '#')
+ {
+ s += 1;
+ if (!strncmp (s, "ASI_AIUP", 8))
+ asi = 0x10, s += 8;
+ else if (!strncmp (s, "ASI_AIUS", 8))
+ asi = 0x11, s += 8;
+ else if (!strncmp (s, "ASI_PNF", 7))
+ asi = 0x82, s += 7;
+ else if (!strncmp (s, "ASI_SNF", 7))
+ asi = 0x83, s += 7;
+ else if (!strncmp (s, "ASI_P", 5))
+ asi = 0x80, s += 5;
+ else if (!strncmp (s, "ASI_S", 5))
+ asi = 0x81, s += 5;
+ else
+ {
+ error_message = ": invalid asi name";
+ goto error;
+ }
+ }
+ else if (isdigit (*s))
+ {
+ char *push = input_line_pointer;
+ input_line_pointer = s;
+ asi = get_absolute_expression ();
+ s = input_line_pointer;
+ input_line_pointer = push;
+
+ if (asi < 0 || asi > 255)
+ {
+ error_message = ": invalid asi number";
+ goto error;
+ }
+ }
+ else
+ {
+ error_message = ": unrecognizable asi";
+ goto error;
+ }
+ opcode |= ASI (asi);
+ continue;
+#endif
+/* end-sanitize-v9 */
+ } /* alternate space */
+
+ case 'p':
+ if (strncmp (s, "%psr", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
+
+ case 'q': /* floating point queue */
+ if (strncmp (s, "%fq", 3) == 0)
+ {
+ s += 3;
+ continue;
+ }
+ break;
+
+ case 'Q': /* coprocessor queue */
+ if (strncmp (s, "%cq", 3) == 0)
+ {
+ s += 3;
+ continue;
+ }
+ break;
+
+ case 'S':
+ if (strcmp (str, "set") == 0)
+ {
+ special_case = SPECIAL_CASE_SET;
+ continue;
+ }
+ else if (strncmp (str, "fdiv", 4) == 0)
+ {
+ special_case = SPECIAL_CASE_FDIV;
+ continue;
+ }
+ break;
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case 'o':
+ if (strncmp (s, "%asi", 4) != 0)
+ break;
+ s += 4;
+ continue;
+
+ case 's':
+ if (strncmp (s, "%fprs", 5) != 0)
+ break;
+ s += 5;
+ continue;
+
+ case 'E':
+ if (strncmp (s, "%ccr", 4) != 0)
+ break;
+ s += 4;
+ continue;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- }
- }
- break;
-
- case 'F':
- if (strncmp(s, "%fsr", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case 'h': /* high 22 bits */
- the_insn.reloc = RELOC_HI22;
- goto immediate;
-
- case 'l': /* 22 bit PC relative immediate */
- the_insn.reloc = RELOC_WDISP22;
- the_insn.pcrel = 1;
- goto immediate;
-
- case 'L': /* 30 bit immediate */
- the_insn.reloc = RELOC_WDISP30;
- the_insn.pcrel = 1;
- goto immediate;
-
- case 'i': /* 13 bit immediate */
- the_insn.reloc = RELOC_BASE13;
-
- /*FALLTHROUGH */
-
- immediate:
- if(*s==' ')
- s++;
- if (*s == '%') {
- if ((c = s[1]) == 'h' && s[2] == 'i') {
- the_insn.reloc = RELOC_HI22;
- s+=3;
- } else if (c == 'l' && s[2] == 'o') {
- the_insn.reloc = RELOC_LO10;
- s+=3;
- } else
- break;
- }
- /* Note that if the getExpression() fails, we will still have
- created U entries in the symbol table for the 'symbols'
- in the input string. Try not to create U symbols for
- registers, etc. */
- {
- /* This stuff checks to see if the expression ends
- in +%reg If it does, it removes the register from
- the expression, and re-sets 's' to point to the
- right place */
-
- char *s1;
-
- for(s1=s;*s1 && *s1!=','&& *s1!=']';s1++)
- ;
-
- if(s1!=s && isdigit(s1[-1])) {
- if(s1[-2]=='%' && s1[-3]=='+') {
- s1-=3;
- *s1='\0';
- (void)getExpression(s);
- *s1='+';
- s=s1;
- continue;
- } else if(strchr("goli0123456789",s1[-2]) && s1[-3]=='%' && s1[-4]=='+') {
- s1-=4;
- *s1='\0';
- (void)getExpression(s);
- *s1='+';
- s=s1;
- continue;
- }
- }
- }
- (void)getExpression(s);
- s = expr_end;
- continue;
-
- case 'a':
- if (*s++ == 'a') {
- opcode |= ANNUL;
- continue;
- }
- break;
-
- case 'A': /* alternate space */
- if (isdigit(*s)) {
- long num;
-
- num=0;
- while (isdigit(*s)) {
- num= num*10 + *s-'0';
- ++s;
- }
- opcode |= num<<5;
- continue;
- }
- break;
- /* abort(); */
-
- case 'p':
- if (strncmp(s, "%psr", 4) == 0) {
- s += 4;
- continue;
- }
- break;
-
- case 'q': /* floating point queue */
- if (strncmp(s, "%fq", 3) == 0) {
- s += 3;
- continue;
- }
- break;
-
- case 'Q': /* coprocessor queue */
- if (strncmp(s, "%cq", 3) == 0) {
- s += 3;
- continue;
- }
- break;
-
- case 'S':
- if (strcmp(str, "set") == 0) {
- special_case = SPECIAL_CASE_SET;
- continue;
- } else if (strncmp(str, "fdiv", 4) == 0) {
- special_case = SPECIAL_CASE_FDIV;
- continue;
- }
- break;
-
- case 't':
- if (strncmp(s, "%tbr", 4) != 0)
- break;
- s += 4;
- continue;
-
- case 'w':
- if (strncmp(s, "%wim", 4) != 0)
- break;
- s += 4;
- continue;
-
- case 'y':
- if (strncmp(s, "%y", 2) != 0)
- break;
- s += 2;
- continue;
-
- default:
- abort();
- } /* switch on arg code */
- break;
- } /* for each arg that we expect */
- error:
- if (match == 0) {
- /* Args don't match. */
- if (((unsigned) (&insn[1] - sparc_opcodes)) < NUMOPCODES
- && !strcmp(insn->name, insn[1].name)) {
- ++insn;
- s = argsStart;
- continue;
- } else {
- as_bad("Illegal operands%s", error_message);
- return;
- }
- } else {
- if (insn->architecture > current_architecture) {
- if (current_architecture != cypress
- && (!architecture_requested || warn_on_bump)) {
-
- if (warn_on_bump) {
- as_warn("architecture bumped from \"%s\" to \"%s\" on \"%s\"",
- architecture_pname[current_architecture],
- architecture_pname[insn->architecture],
- str);
- } /* if warning */
-
- current_architecture = insn->architecture;
- } else {
- as_bad("architecture mismatch on \"%s\" (\"%s\"). current architecture is \"%s\"",
- str,
- architecture_pname[insn->architecture],
- architecture_pname[current_architecture]);
- return;
- } /* if bump ok else error */
- } /* if architecture higher */
- } /* if no match */
+ /* end-sanitize-v9 */
+ case 't':
+ if (strncmp (s, "%tbr", 4) != 0)
break;
- } /* forever looking for a match */
+ s += 4;
+ continue;
- the_insn.opcode = opcode;
- return;
-} /* sparc_ip() */
+ case 'w':
+ if (strncmp (s, "%wim", 4) != 0)
+ break;
+ s += 4;
+ continue;
-static int getExpression(str)
-char *str;
-{
- char *save_in;
- segT seg;
-
- save_in = input_line_pointer;
- input_line_pointer = str;
- switch (seg = expression(&the_insn.exp)) {
-
- case SEG_ABSOLUTE:
- case SEG_TEXT:
- case SEG_DATA:
- case SEG_BSS:
- case SEG_UNKNOWN:
- case SEG_DIFFERENCE:
- case SEG_BIG:
- case SEG_ABSENT:
+ case 'y':
+ if (strncmp (s, "%y", 2) != 0)
break;
-
- default:
- the_insn.error = "bad segment";
- expr_end = input_line_pointer;
- input_line_pointer=save_in;
- return 1;
+ s += 2;
+ continue;
+
+ default:
+ as_fatal ("failed sanity check.");
+ } /* switch on arg code */
+ break;
+ } /* for each arg that we expect */
+ error:
+ if (match == 0)
+ {
+ /* Args don't match. */
+ if (((unsigned) (&insn[1] - sparc_opcodes)) < NUMOPCODES
+ && !strcmp (insn->name, insn[1].name))
+ {
+ ++insn;
+ s = argsStart;
+ continue;
+ }
+ else
+ {
+ as_bad ("Illegal operands%s", error_message);
+ return;
+ }
}
- expr_end = input_line_pointer;
- input_line_pointer = save_in;
- return 0;
-} /* getExpression() */
+ else
+ {
+ if (insn->architecture > current_architecture)
+ {
+ if ((!architecture_requested || warn_on_bump)
+ &&
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ !ARCHITECTURES_CONFLICT_P (current_architecture,
+ insn->architecture)
+#else
+ /* end-sanitize-v9 */
+ 1
+ /* start-sanitize-v9 */
+#endif
+ /* end-sanitize-v9 */
+ )
+ {
+ if (warn_on_bump)
+ {
+ as_warn ("architecture bumped from \"%s\" to \"%s\" on \"%s\"",
+ architecture_pname[current_architecture],
+ architecture_pname[insn->architecture],
+ str);
+ } /* if warning */
+
+ current_architecture = insn->architecture;
+ }
+ else
+ {
+ as_bad ("architecture mismatch on \"%s\" (\"%s\"). current architecture is \"%s\"",
+ str,
+ architecture_pname[insn->architecture],
+ architecture_pname[current_architecture]);
+ return;
+ } /* if bump ok else error */
+ } /* if architecture higher */
+ } /* if no match */
+
+ break;
+ } /* forever looking for a match */
+
+ the_insn.opcode = opcode;
+}
+
+static int
+getExpression (str)
+ char *str;
+{
+ char *save_in;
+ segT seg;
+
+ save_in = input_line_pointer;
+ input_line_pointer = str;
+ seg = expression (&the_insn.exp);
+ if (seg != absolute_section
+ && seg != text_section
+ && seg != data_section
+ && seg != bss_section
+ && seg != undefined_section)
+ {
+ the_insn.error = "bad segment";
+ expr_end = input_line_pointer;
+ input_line_pointer = save_in;
+ return 1;
+ }
+ expr_end = input_line_pointer;
+ input_line_pointer = save_in;
+ return 0;
+} /* getExpression() */
/*
This is identical to the md_atof in m68k.c. I think this is right,
but I'm not sure.
-
+
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 returned, or NULL on OK.
/* Equal to MAX_PRECISION in atof-ieee.c */
#define MAX_LITTLENUMS 6
-char *md_atof(type,litP,sizeP)
-char type;
-char *litP;
-int *sizeP;
+char *
+md_atof (type, litP, sizeP)
+ char type;
+ char *litP;
+ int *sizeP;
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
- char *atof_ieee();
-
- switch(type) {
-
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
-
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
-
- case 'x':
- case 'X':
- prec = 6;
- break;
-
- case 'p':
- case 'P':
- prec = 6;
- break;
-
- default:
- *sizeP=0;
- return "Bad call to MD_ATOF()";
- }
- t=atof_ieee(input_line_pointer,type,words);
- if(t)
- input_line_pointer=t;
- *sizeP=prec * sizeof(LITTLENUM_TYPE);
- for(wordP=words;prec--;) {
- md_number_to_chars(litP,(long)(*wordP++),sizeof(LITTLENUM_TYPE));
- litP+=sizeof(LITTLENUM_TYPE);
- }
- return ""; /* Someone should teach Dean about null pointers */
-} /* md_atof() */
+ int prec;
+ LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ LITTLENUM_TYPE *wordP;
+ char *t;
+ char *atof_ieee ();
+
+ switch (type)
+ {
+
+ case 'f':
+ case 'F':
+ case 's':
+ case 'S':
+ prec = 2;
+ break;
+
+ case 'd':
+ case 'D':
+ case 'r':
+ case 'R':
+ prec = 4;
+ break;
+
+ case 'x':
+ case 'X':
+ prec = 6;
+ break;
+
+ case 'p':
+ case 'P':
+ prec = 6;
+ break;
+
+ default:
+ *sizeP = 0;
+ return "Bad call to MD_ATOF()";
+ }
+ t = atof_ieee (input_line_pointer, type, words);
+ if (t)
+ input_line_pointer = t;
+ *sizeP = prec * sizeof (LITTLENUM_TYPE);
+ for (wordP = words; prec--;)
+ {
+ md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
+ }
+ return 0;
+}
/*
* Write out big-endian.
*/
-void md_number_to_chars(buf,val,n)
-char *buf;
-long val;
-int n;
+void
+md_number_to_chars (buf, val, n)
+ char *buf;
+ valueT val;
+ int n;
{
-
- switch(n) {
-
- case 4:
- *buf++ = val >> 24;
- *buf++ = val >> 16;
- case 2:
- *buf++ = val >> 8;
- case 1:
- *buf = val;
- break;
-
- default:
- abort();
- }
- return;
-} /* md_number_to_chars() */
+ number_to_chars_bigendian (buf, val, n);
+}
/* Apply a fixS to the frags, now that we know the value it ought to
hold. */
-void md_apply_fix(fixP, val)
-fixS *fixP;
-long val;
+int
+md_apply_fix (fixP, value)
+ fixS *fixP;
+ valueT *value;
{
- char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
-
- assert(fixP->fx_size == 4);
- assert(fixP->fx_r_type < NO_RELOC);
-
- fixP->fx_addnumber = val; /* Remember value for emit_reloc */
-
- /*
- * This is a hack. There should be a better way to
- * handle this.
- */
- if (fixP->fx_r_type == RELOC_WDISP30 && fixP->fx_addsy) {
- val += fixP->fx_where + fixP->fx_frag->fr_address;
- }
-
- switch (fixP->fx_r_type) {
-
- case RELOC_32:
- buf[0] = 0; /* val >> 24; */
- buf[1] = 0; /* val >> 16; */
- buf[2] = 0; /* val >> 8; */
- buf[3] = 0; /* val; */
- break;
-
-#if 0
- case RELOC_8: /* These don't seem to ever be needed. */
- case RELOC_16:
- case RELOC_DISP8:
- case RELOC_DISP16:
- case RELOC_DISP32:
-#endif
- case RELOC_WDISP30:
- val = (val >>= 2) + 1;
- buf[0] |= (val >> 24) & 0x3f;
- buf[1]= (val >> 16);
- buf[2] = val >> 8;
- buf[3] = val;
- break;
+ char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+ offsetT val;
- /* start-sanitize-v9 */
-#ifndef NO_V9
- case RELOC_11:
- if (val & 0x7ff) {
- as_bad("relocation overflow");
- } /* on overflow */
+ val = *value;
- buf[2] = (val >> 8) & 0x7;
- buf[3] = val & 0xff;
- break;
+ assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
- case RELOC_WDISP2_14:
- if (val & ~0xffff) {
- as_bad("relocation overflow.");
- } /* on overflow */
-
- val = (val >>= 2) + 1;
- buf[1] |= ((val >> 14) & 0x3) << 3;
- buf[2] |= (val >> 8) & 0x3f ;
- buf[3] = val & 0xff;
- break;
+ fixP->fx_addnumber = val; /* Remember value for emit_reloc */
- case RELOC_WDISP19:
- if (val & ~0x7ffff) {
- as_bad("relocation overflow.");
- } /* on overflow */
+#ifdef OBJ_ELF
+ /* FIXME: SPARC ELF relocations don't use an addend in the data
+ field itself. This whole approach should be somehow combined
+ with the calls to bfd_perform_relocation. */
+ if (fixP->fx_addsy != NULL)
+ return 1;
+#endif
- val = (val >>= 2) + 1;
- buf[1] |= (val >> 16) & 0x7;
- buf[2] = (val >> 8) & 0xff;
- buf[3] = val & 0xff;
- break;
+ /* This is a hack. There should be a better way to
+ handle this. Probably in terms of howto fields, once
+ we can look at these fixups in terms of howtos. */
+ if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy)
+ val += fixP->fx_where + fixP->fx_frag->fr_address;
+
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_16:
+ buf[0] = val >> 8;
+ buf[1] = val;
+ break;
+
+ case BFD_RELOC_32:
+ buf[0] = val >> 24;
+ buf[1] = val >> 16;
+ buf[2] = val >> 8;
+ buf[3] = val;
+ break;
+
+ case BFD_RELOC_32_PCREL_S2:
+ val = (val >>= 2) + 1;
+ buf[0] |= (val >> 24) & 0x3f;
+ buf[1] = (val >> 16);
+ buf[2] = val >> 8;
+ buf[3] = val;
+ break;
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case BFD_RELOC_64:
+ buf[0] = val >> 56;
+ buf[1] = val >> 48;
+ buf[2] = val >> 40;
+ buf[3] = val >> 32;
+ buf[4] = val >> 24;
+ buf[5] = val >> 16;
+ buf[6] = val >> 8;
+ buf[7] = val;
+ break;
+
+ case BFD_RELOC_SPARC_11:
+ if (((val > 0) && (val & ~0x7ff))
+ || ((val < 0) && (~(val - 1) & ~0x7ff)))
+ {
+ as_bad ("relocation overflow.");
+ } /* on overflow */
+
+ buf[2] |= (val >> 8) & 0x7;
+ buf[3] = val & 0xff;
+ break;
+
+ case BFD_RELOC_SPARC_10:
+ if (((val > 0) && (val & ~0x3ff))
+ || ((val < 0) && (~(val - 1) & ~0x3ff)))
+ {
+ as_bad ("relocation overflow.");
+ } /* on overflow */
+
+ buf[2] |= (val >> 8) & 0x3;
+ buf[3] = val & 0xff;
+ break;
+
+ case BFD_RELOC_SPARC_WDISP16:
+ if (((val > 0) && (val & ~0x3fffc))
+ || ((val < 0) && (~(val - 1) & ~0x3fffc)))
+ {
+ as_bad ("relocation overflow.");
+ } /* on overflow */
+
+ val = (val >>= 2) + 1;
+ buf[1] |= ((val >> 14) & 0x3) << 4;
+ buf[2] |= (val >> 8) & 0x3f;
+ buf[3] = val & 0xff;
+ break;
+
+ case BFD_RELOC_SPARC_WDISP19:
+ if (((val > 0) && (val & ~0x1ffffc))
+ || ((val < 0) && (~(val - 1) & ~0x1ffffc)))
+ {
+ as_bad ("relocation overflow.");
+ } /* on overflow */
+
+ val = (val >>= 2) + 1;
+ buf[1] |= (val >> 16) & 0x7;
+ buf[2] = (val >> 8) & 0xff;
+ buf[3] = val & 0xff;
+ break;
+
+ case BFD_RELOC_SPARC_HH22:
+ val >>= 32;
+ /* intentional fallthrough */
#endif /* NO_V9 */
- /* end-sanitize-v9 */
-
- case RELOC_HI22:
- if(!fixP->fx_addsy) {
- buf[1] |= (val >> 26) & 0x3f;
- buf[2] = val >> 18;
- buf[3] = val >> 10;
- } else {
- buf[2]=0;
- buf[3]=0;
- }
- break;
-#if 0
- case RELOC_22:
- case RELOC_13:
-#endif
- case RELOC_LO10:
- if(!fixP->fx_addsy) {
- buf[2] |= (val >> 8) & 0x03;
- buf[3] = val;
- } else
- buf[3]=0;
- break;
-#if 0
- case RELOC_SFA_BASE:
- case RELOC_SFA_OFF13:
- case RELOC_BASE10:
-#endif
- case RELOC_BASE13:
- buf[2] |= (val >> 8) & 0x1f;
- buf[3] = val;
- break;
-
- case RELOC_WDISP22:
- val = (val >>= 2) + 1;
- /* FALLTHROUGH */
- case RELOC_BASE22:
- buf[1] |= (val >> 16) & 0x3f;
- buf[2] = val >> 8;
- buf[3] = val;
- break;
-
-#if 0
- case RELOC_PC10:
- case RELOC_PC22:
- case RELOC_JMP_TBL:
- case RELOC_SEGOFF16:
- case RELOC_GLOB_DAT:
- case RELOC_JMP_SLOT:
- case RELOC_RELATIVE:
+ /* end-sanitize-v9 */
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case BFD_RELOC_SPARC_LM22:
#endif
-
- case NO_RELOC:
- default:
- as_bad("bad relocation type: 0x%02x", fixP->fx_r_type);
- break;
+ /* end-sanitize-v9 */
+ case BFD_RELOC_HI22:
+ if (!fixP->fx_addsy)
+ {
+ buf[1] |= (val >> 26) & 0x3f;
+ buf[2] = val >> 18;
+ buf[3] = val >> 10;
}
-} /* md_apply_fix() */
-
-/* should never be called for sparc */
-void md_create_short_jump(ptr, from_addr, to_addr, frag, to_symbol)
-char *ptr;
-long from_addr;
-long to_addr;
-fragS *frag;
-symbolS *to_symbol;
-{
- fprintf(stderr, "sparc_create_short_jmp\n");
- abort();
-} /* md_create_short_jump() */
-
-/* Translate internal representation of relocation info to target format.
-
- On sparc: first 4 bytes are normal unsigned long address, next three
- bytes are index, most sig. byte first. Byte 7 is broken up with
- bit 7 as external, bits 6 & 5 unused, and the lower
- five bits as relocation type. Next 4 bytes are long addend. */
-void md_ri_to_chars(the_bytes, ri)
-char *the_bytes;
-struct reloc_info_generic *ri;
-{
- /* this is easy */
- md_number_to_chars(the_bytes, ri->r_address, 4);
- /* now the fun stuff */
- the_bytes[4] = (ri->r_index >> 16) & 0x0ff;
- the_bytes[5] = (ri->r_index >> 8) & 0x0ff;
- the_bytes[6] = ri->r_index & 0x0ff;
- the_bytes[7] = ((ri->r_extern << 7) & 0x80) | (0 & 0x60) | (ri->r_type & 0x1F);
- /* Also easy */
- md_number_to_chars(&the_bytes[8], ri->r_addend, 4);
-} /* md_ri_to_chars() */
-
-/* should never be called for sparc */
-void md_convert_frag(fragP)
-register fragS *fragP;
-{
- fprintf(stderr, "sparc_convert_frag\n");
- abort();
-} /* md_convert_frag() */
-
-/* should never be called for sparc */
-void md_create_long_jump(ptr, from_addr, to_addr, frag, to_symbol)
-char *ptr;
-long from_addr, to_addr;
-fragS *frag;
-symbolS *to_symbol;
-{
- fprintf(stderr, "sparc_create_long_jump\n");
- abort();
-} /* md_create_long_jump() */
-
-/* should never be called for sparc */
-int md_estimate_size_before_relax(fragP, segtype)
-fragS *fragP;
-segT segtype;
+ else
+ {
+ buf[2] = 0;
+ buf[3] = 0;
+ }
+ break;
+
+ case BFD_RELOC_SPARC22:
+ if (val & ~0x003fffff)
+ {
+ as_bad ("relocation overflow");
+ } /* on overflow */
+ buf[1] |= (val >> 16) & 0x3f;
+ buf[2] = val >> 8;
+ buf[3] = val & 0xff;
+ break;
+
+ case BFD_RELOC_SPARC13:
+ if (val & ~0x00001fff)
+ {
+ as_bad ("relocation overflow");
+ } /* on overflow */
+ buf[2] |= (val >> 8) & 0x1f;
+ buf[3] = val & 0xff;
+ break;
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case BFD_RELOC_SPARC_HM10:
+ val >>= 32;
+ /* intentional fallthrough */
+#endif /* NO_V9 */
+ /* end-sanitize-v9 */
+
+ case BFD_RELOC_LO10:
+ if (!fixP->fx_addsy)
+ {
+ buf[2] |= (val >> 8) & 0x03;
+ buf[3] = val;
+ }
+ else
+ buf[3] = 0;
+ break;
+ case BFD_RELOC_SPARC_BASE13:
+ if (((val > 0) && (val & ~(offsetT)0x00001fff))
+ || ((val < 0) && (~(val - 1) & ~(offsetT)0x00001fff)))
+ {
+ as_bad ("relocation overflow");
+ }
+ buf[2] |= (val >> 8) & 0x1f;
+ buf[3] = val;
+ break;
+
+ case BFD_RELOC_SPARC_WDISP22:
+ val = (val >>= 2) + 1;
+ /* FALLTHROUGH */
+ case BFD_RELOC_SPARC_BASE22:
+ buf[1] |= (val >> 16) & 0x3f;
+ buf[2] = val >> 8;
+ buf[3] = val;
+ break;
+
+ case BFD_RELOC_NONE:
+ default:
+ as_bad ("bad or unhandled relocation type: 0x%02x", fixP->fx_r_type);
+ break;
+ }
+
+ return 1;
+}
+
+/* Translate internal representation of relocation info to BFD target
+ format. */
+arelent *
+tc_gen_reloc (section, fixp)
+ asection *section;
+ fixS *fixp;
{
- fprintf(stderr, "sparc_estimate_size_before_relax\n");
- abort();
- return 0;
-} /* md_estimate_size_before_relax() */
+ arelent *reloc;
+ bfd_reloc_code_real_type code;
+
+ reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent));
+ assert (reloc != 0);
+
+ reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
+ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
+
+ switch (fixp->fx_r_type)
+ {
+ case BFD_RELOC_16:
+ case BFD_RELOC_32:
+ case BFD_RELOC_HI22:
+ case BFD_RELOC_LO10:
+ case BFD_RELOC_32_PCREL_S2:
+ case BFD_RELOC_SPARC_BASE13:
+ case BFD_RELOC_SPARC_WDISP22:
+ /* start-sanitize-v9 */
+ case BFD_RELOC_64:
+ case BFD_RELOC_SPARC_10:
+ case BFD_RELOC_SPARC_11:
+ case BFD_RELOC_SPARC_HH22:
+ case BFD_RELOC_SPARC_HM10:
+ case BFD_RELOC_SPARC_LM22:
+ case BFD_RELOC_SPARC_PC_HH22:
+ case BFD_RELOC_SPARC_PC_HM10:
+ case BFD_RELOC_SPARC_PC_LM22:
+ /* end-sanitize-v9 */
+ code = fixp->fx_r_type;
+ break;
+ default:
+ abort ();
+ }
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
+ assert (reloc->howto != 0);
+ assert (!fixp->fx_pcrel == !reloc->howto->pc_relative);
+
+ /* @@ Why fx_addnumber sometimes and fx_offset other times? */
+ if (reloc->howto->pc_relative == 0)
+ reloc->addend = fixp->fx_addnumber;
+ else
+ reloc->addend = fixp->fx_offset - reloc->address;
+
+ return reloc;
+}
+
#if 0
/* for debugging only */
-static void print_insn(insn)
-struct sparc_it *insn;
+static void
+print_insn (insn)
+ struct sparc_it *insn;
{
- char *Reloc[] = {
- "RELOC_8",
- "RELOC_16",
- "RELOC_32",
- "RELOC_DISP8",
- "RELOC_DISP16",
- "RELOC_DISP32",
- "RELOC_WDISP30",
- "RELOC_WDISP22",
- "RELOC_HI22",
- "RELOC_22",
- "RELOC_13",
- "RELOC_LO10",
- "RELOC_SFA_BASE",
- "RELOC_SFA_OFF13",
- "RELOC_BASE10",
- "RELOC_BASE13",
- "RELOC_BASE22",
- "RELOC_PC10",
- "RELOC_PC22",
- "RELOC_JMP_TBL",
- "RELOC_SEGOFF16",
- "RELOC_GLOB_DAT",
- "RELOC_JMP_SLOT",
- "RELOC_RELATIVE",
- "NO_RELOC"
- };
-
- if (insn->error) {
- fprintf(stderr, "ERROR: %s\n");
- }
- fprintf(stderr, "opcode=0x%08x\n", insn->opcode);
- fprintf(stderr, "reloc = %s\n", Reloc[insn->reloc]);
- fprintf(stderr, "exp = {
-\n");
- fprintf(stderr, "\t\tX_add_symbol = %s\n",
- ((insn->exp.X_add_symbol != NULL)
- ? ((S_GET_NAME(insn->exp.X_add_symbol) != NULL)
- ? S_GET_NAME(insn->exp.X_add_symbol)
- : "???")
- : "0"));
- fprintf(stderr, "\t\tX_sub_symbol = %s\n",
- ((insn->exp.X_subtract_symbol != NULL)
- ? (S_GET_NAME(insn->exp.X_subtract_symbol)
- ? S_GET_NAME(insn->exp.X_subtract_symbol)
- : "???")
- : "0"));
- fprintf(stderr, "\t\tX_add_number = %d\n",
- insn->exp.X_add_number);
- fprintf(stderr, "}\n");
- return;
-} /* print_insn() */
+ const char *const Reloc[] = {
+ "RELOC_8",
+ "RELOC_16",
+ "RELOC_32",
+ "RELOC_DISP8",
+ "RELOC_DISP16",
+ "RELOC_DISP32",
+ "RELOC_WDISP30",
+ "RELOC_WDISP22",
+ "RELOC_HI22",
+ "RELOC_22",
+ "RELOC_13",
+ "RELOC_LO10",
+ "RELOC_SFA_BASE",
+ "RELOC_SFA_OFF13",
+ "RELOC_BASE10",
+ "RELOC_BASE13",
+ "RELOC_BASE22",
+ "RELOC_PC10",
+ "RELOC_PC22",
+ "RELOC_JMP_TBL",
+ "RELOC_SEGOFF16",
+ "RELOC_GLOB_DAT",
+ "RELOC_JMP_SLOT",
+ "RELOC_RELATIVE",
+ "NO_RELOC"
+ };
+
+ if (insn->error)
+ fprintf (stderr, "ERROR: %s\n");
+ fprintf (stderr, "opcode=0x%08x\n", insn->opcode);
+ fprintf (stderr, "reloc = %s\n", Reloc[insn->reloc]);
+ fprintf (stderr, "exp = {\n");
+ fprintf (stderr, "\t\tX_add_symbol = %s\n",
+ ((insn->exp.X_add_symbol != NULL)
+ ? ((S_GET_NAME (insn->exp.X_add_symbol) != NULL)
+ ? S_GET_NAME (insn->exp.X_add_symbol)
+ : "???")
+ : "0"));
+ fprintf (stderr, "\t\tX_sub_symbol = %s\n",
+ ((insn->exp.X_op_symbol != NULL)
+ ? (S_GET_NAME (insn->exp.X_op_symbol)
+ ? S_GET_NAME (insn->exp.X_op_symbol)
+ : "???")
+ : "0"));
+ fprintf (stderr, "\t\tX_add_number = %d\n",
+ insn->exp.X_add_number);
+ fprintf (stderr, "}\n");
+}
#endif
-/* Set the hook... */
-
-void emit_sparc_reloc();
-void (*md_emit_relocations)() = emit_sparc_reloc;
-
-/*
- * Sparc/AM29K relocations are completely different, so it needs
- * this machine dependent routine to emit them.
- */
-#if defined(OBJ_AOUT) || defined(OBJ_BOUT)
-void emit_sparc_reloc(fixP, segment_address_in_file)
-register fixS *fixP;
-relax_addressT segment_address_in_file;
-{
- struct reloc_info_generic ri;
- register symbolS *symbolP;
- extern char *next_object_file_charP;
- /* long add_number; */
-
- bzero((char *) &ri, sizeof(ri));
- for (; fixP; fixP = fixP->fx_next) {
-
- if (fixP->fx_r_type >= NO_RELOC) {
- fprintf(stderr, "fixP->fx_r_type = %d\n", fixP->fx_r_type);
- abort();
- }
-
- if ((symbolP = fixP->fx_addsy) != NULL) {
- ri.r_address = fixP->fx_frag->fr_address +
- fixP->fx_where - segment_address_in_file;
- if ((S_GET_TYPE(symbolP)) == N_UNDF) {
- ri.r_extern = 1;
- ri.r_index = symbolP->sy_number;
- } else {
- ri.r_extern = 0;
- ri.r_index = S_GET_TYPE(symbolP);
- }
- if (symbolP && symbolP->sy_frag) {
- ri.r_addend = symbolP->sy_frag->fr_address;
- }
- ri.r_type = fixP->fx_r_type;
- if (fixP->fx_pcrel) {
- /* ri.r_addend -= fixP->fx_where; */
- ri.r_addend -= ri.r_address;
- } else {
- ri.r_addend = fixP->fx_addnumber;
- }
-
- md_ri_to_chars(next_object_file_charP, &ri);
- next_object_file_charP += md_reloc_size;
- }
- }
- return;
-} /* emit_sparc_reloc() */
-#endif /* aout or bout */
-
/*
* md_parse_option
* Invocation line includes a switch not recognized by the base assembler.
* -bump
* Warn on architecture bumps. See also -A.
*
- * -Av6, -Av7, -Acypress, -Av8
+ * -Av6, -Av7, -Av8, -Asparclite
* Select the architecture. Instructions or features not
* supported by the selected architecture cause fatal errors.
*
*
* If an architecture is specified, all instructions must match
* that architecture. Any higher level instructions are flagged
- * as errors.
+ * as errors.
*
* if both an architecture and -bump are specified, the
* architecture starts at the specified level, but bumps are
* warnings.
*
- * Note that where cypress specific instructions conflict with
- * other instructions, the other instruction is assumed. Nothing
- * is upward compatible with cypress. Thus, to get the cypress
- * instruction set you MUST -Acypress.
+ * start-sanitize-v9
+ * -Av9
+ * Another architecture switch.
*
+ * Note:
+ * Bumping between incompatible architectures is always an
+ * error. For example, from sparclite to v9.
+ * end-sanitize-v9
*/
- /* start-sanitize-v9 */
- /* There is also a -Av9 architecture option. xoxorich. */
- /* end-sanitize-v9 */
-int md_parse_option(argP, cntP, vecP)
-char **argP;
-int *cntP;
-char ***vecP;
+
+int
+md_parse_option (argP, cntP, vecP)
+ char **argP;
+ int *cntP;
+ char ***vecP;
{
- char *p;
- const char **arch;
-
- if (!strcmp(*argP,"bump")){
- warn_on_bump = 1;
-
- } else if (**argP == 'A'){
- p = (*argP) + 1;
-
- for (arch = architecture_pname; *arch != NULL; ++arch){
- if (strcmp(p, *arch) == 0){
- break;
- } /* found a match */
- } /* walk the pname table */
-
- if (*arch == NULL){
- as_bad("unknown architecture: %s", p);
- } else {
- current_architecture = (enum sparc_architecture) (arch - architecture_pname);
- architecture_requested = 1;
- }
- } else {
- /* Unknown option */
- (*argP)++;
- return 0;
+ char *p;
+ const char **arch;
+
+ if (!strcmp (*argP, "bump"))
+ {
+ warn_on_bump = 1;
+
+ }
+ else if (**argP == 'A')
+ {
+ p = (*argP) + 1;
+
+ for (arch = architecture_pname; *arch != NULL; ++arch)
+ {
+ if (strcmp (p, *arch) == 0)
+ {
+ break;
+ } /* found a match */
+ } /* walk the pname table */
+
+ if (*arch == NULL)
+ {
+ as_bad ("unknown architecture: %s", p);
}
- **argP = '\0'; /* Done parsing this switch */
- return 1;
-} /* md_parse_option() */
+ else
+ {
+ current_architecture = (enum sparc_architecture) (arch - architecture_pname);
+ architecture_requested = 1;
+ }
+ }
+#ifdef OBJ_ELF
+ else if (**argP == 'V')
+ {
+ print_version_id ();
+ }
+ else if (**argP == 'Q')
+ {
+ /* Qy - do emit .comment
+ Qn - do not emit .comment */
+ }
+ else if (**argP == 's')
+ {
+ /* use .stab instead of .stab.excl */
+ }
+#endif
+ else if (strcmp (*argP, "sparc") == 0)
+ {
+ /* Ignore -sparc, used by SunOS make default .s.o rule. */
+ }
+ else
+ {
+ /* Unknown option */
+ (*argP)++;
+ return 0;
+ }
+ **argP = '\0'; /* Done parsing this switch */
+ return 1;
+} /* md_parse_option() */
/* We have no need to default values of symbols. */
/* ARGSUSED */
-symbolS *md_undefined_symbol(name)
-char *name;
+symbolS *
+md_undefined_symbol (name)
+ char *name;
{
- return 0;
-} /* md_undefined_symbol() */
+ return 0;
+} /* md_undefined_symbol() */
/* Parse an operand that is machine-specific.
We just return without modifying the expression if we have nothing
to do. */
/* ARGSUSED */
-void md_operand(expressionP)
-expressionS *expressionP;
+void
+md_operand (expressionP)
+ expressionS *expressionP;
{
-} /* md_operand() */
+}
/* Round up a section size to the appropriate boundary. */
-long md_section_align (segment, size)
-segT segment;
-long size;
+valueT
+md_section_align (segment, size)
+ segT segment;
+ valueT size;
{
- return (size + 7) & ~7; /* Round all sects to multiple of 8 */
-} /* md_section_align() */
+#ifdef OBJ_AOUT
+ /* Round all sects to multiple of 8 */
+ size = (size + 7) & (valueT) ~7;
+#endif
+ return size;
+}
/* Exactly what point is a PC-relative offset relative TO?
On the sparc, they're relative to the address of the offset, plus
its size. This gets us to the following instruction.
(??? Is this right? FIXME-SOON) */
-long md_pcrel_from(fixP)
-fixS *fixP;
+long
+md_pcrel_from (fixP)
+ fixS *fixP;
{
- return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address;
-} /* md_pcrel_from() */
-
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
+ return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address;
+}
-/* end of tp-sparc.c */
+/* end of tc-sparc.c */
projects / binutils.git / blobdiff