/* 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"
+#include "read.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"
+
+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 ();
static enum sparc_architecture current_architecture = v6;
static int architecture_requested = 0;
-static int warn_on_bump = 1;
+static int warn_on_bump = 0;
-const relax_typeS md_relax_table[] = {
- 0 };
+const relax_typeS md_relax_table[] =
+{
+ 0};
/* 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_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},
};
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";
#define isoctal(c) octal[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;
-
-#ifdef __STDC__
+struct sparc_it
+ {
+ char *error;
+ unsigned long opcode;
+ struct nlist *nlistp;
+ expressionS exp;
+ int pcrel;
+ enum reloc_type reloc;
+ } the_insn, set_insn;
+
+#if __STDC__ == 1
#if 0
-static void print_insn(struct sparc_it *insn);
+static void print_insn (struct sparc_it *insn);
#endif
-static int getExpression(char *str);
-#else
+static int getExpression (char *str);
+#else /* not __STDC__ */
#if 0
-static void print_insn();
-#endif
-static int getExpression();
+static void print_insn ();
#endif
+static int getExpression ();
+#endif /* not __STDC__ */
+
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);
- }
- 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;
- }
- input_line_pointer ++; /* skip ',' */
- if ((temp = get_absolute_expression ()) < 0) {
- as_bad(".COMMon length (%d.) <0! Ignored.", temp);
- ignore_rest_of_line();
- return;
- }
- *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) != 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);
- }
- 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;
+static int max_alignment = 15;
+
+static void
+s_reserve ()
+{
+ 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)
+ {
+ as_bad ("bad .reserve segment: `%s'", input_line_pointer);
+ return;
+ } /* if not bss */
+
+ 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;
}
- 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;
+
+ align = get_absolute_expression ();
+ if (align > max_alignment)
+ {
+ align = max_alignment;
+ as_warn ("Alignment too large: %d. assumed.", align);
}
- if (strncmp(input_line_pointer, "\"data\"", 6) == 0) {
- input_line_pointer += 6;
- s_data();
- return;
+ else if (align < 0)
+ {
+ align = 0;
+ as_warn ("Alignment negative. 0 assumed.");
}
- if (strncmp(input_line_pointer, "\"data1\"", 7) == 0) {
- input_line_pointer += 7;
- s_data1();
- return;
+#ifdef MANY_SEGMENTS
+#define SEG_BSS SEG_E2
+ record_alignment (SEG_E2, align);
+#else
+ record_alignment (SEG_BSS, align);
+#endif
+
+ /* 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;
+
+ /* Align */
+ align = ~((~0) << align); /* Convert to a mask */
+ local_bss_counter = (local_bss_counter + align) & (~align);
+ } /* if has optional alignment */
+
+ if (S_GET_OTHER (symbolP) == 0
+ && S_GET_DESC (symbolP) == 0
+ && ((S_GET_SEGMENT (symbolP) == SEG_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 += size;
+ }
+ else
+ {
+ as_warn ("Ignoring attempt to re-define symbol from %d. to %d.",
+ S_GET_VALUE (symbolP), local_bss_counter);
+ } /* if not redefining */
+
+ 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;
+ }
+ input_line_pointer++; /* skip ',' */
+ if ((temp = get_absolute_expression ()) < 0)
+ {
+ as_bad (".COMMon length (%d.) <0! Ignored.", temp);
+ ignore_rest_of_line ();
+ return;
+ }
+ *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) != temp)
+ {
+ as_warn ("Length of .comm \"%s\" is already %d. Not changed to %d.",
+ S_GET_NAME (symbolP), S_GET_VALUE (symbolP), temp);
}
- if (strncmp(input_line_pointer, "\"bss\"", 5) == 0) {
- input_line_pointer += 5;
- /* We only support 2 segments -- text and data -- for now, so
+ }
+ else
+ {
+ S_SET_VALUE (symbolP, temp);
+ S_SET_EXTERNAL (symbolP);
+ }
+ 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;
+ }
+ 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;
+ }
+ if (strncmp (input_line_pointer, "\"data\"", 6) == 0)
+ {
+ input_line_pointer += 6;
+ s_data ();
+ 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_new(SEG_DATA, 255); /* FIXME-SOMEDAY */
- return;
- }
- as_bad("Unknown segment type");
- demand_empty_rest_of_line();
- return;
-} /* s_seg() */
+ subseg_new (SEG_DATA, 255); /* FIXME-SOMEDAY */
+ return;
+ }
+ as_bad ("Unknown segment type");
+ demand_empty_rest_of_line ();
+ return;
+} /* s_seg() */
+
+static void
+s_data1 ()
+{
+ subseg_new (SEG_DATA, 1);
+ demand_empty_rest_of_line ();
+ return;
+} /* s_data1() */
-static void s_data1() {
- subseg_new(SEG_DATA, 1);
- demand_empty_rest_of_line();
- return;
-} /* s_data1() */
+static void
+s_proc ()
+{
+ extern char is_end_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() */
+ while (!is_end_of_line[*input_line_pointer])
+ {
+ ++input_line_pointer;
+ }
+ ++input_line_pointer;
+ return;
+} /* s_proc() */
+
+/* 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},
+ {"fpq", 15},
+ {"ver", 31},
+ {"", -1}, /* end marker */
+};
+
+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));
+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;
}
-
- 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() */
+ 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';
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ 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 */
+} /* md_begin() */
-void md_assemble(str)
-char *str;
+void
+md_end ()
{
- 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 */
- }
- }
-
- 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);
+ return;
+} /* md_end() */
+
+void
+md_assemble (str)
+ char *str;
+{
+ 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 */
}
- 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
+ }
+
+ 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);
+ }
+ 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() */
-
-static void sparc_ip(str)
-char *str;
+ 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:
+ as_fatal ("failed sanity check.");
+ }
+} /* md_assemble() */
+
+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;
- 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;
- }
- if (comma) {
- *--s = ',';
- }
- argsStart = s;
- for (;;) {
- opcode = insn->match;
- bzero(&the_insn, sizeof(the_insn));
- the_insn.reloc = NO_RELOC;
-
- /*
+ 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 = 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 */
+ for (args = insn->args;; ++args)
+ {
+ switch (*args)
+ {
+
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ case 'K':
+ {
+ /* Load is 0; Store is 1.
+ We compute the mask based on the values
+ we find in S. OK is set set
+ if we see something we don't like. */
+ int ok = 1;
+ int mask = 0;
+ while (ok == 1)
+ {
+ int lo = 0, hi = 0;
+ if (*s == '#')
+ {
+ s += 1;
+ if (!(lo = (s[0] == 'S')))
+ ok = (s[0] == 'L');
+ if (!(hi = (s[1] == 'S')))
+ ok = (s[1] == 'L');
+ mask |= (1 << ((hi << 1) | lo));
+ s += 2;
+ }
+ else
+ {
+ /* Parse a number, somehow. */
+ ok = 0;
+ }
+ if (s[2] != '|')
+ break;
+ }
+ if (!ok)
+ {
+ error_message = "unrecognizable mmask";
+ goto error;
+ }
+ opcode |= SIMM13 (mask);
+ continue;
+ }
+
+ case '*':
+ /* Parse a prefetch function. */
+ if (*s == '#')
+ {
+ int prefetch_fcn = 0;
+
+ 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 = "unrecognizable prefetch fucntion";
+ goto error;
+ }
+ }
+ else
+ {
+ /* Parse a number, somehow. */
+ error_message = "unrecognizable prefetch fucntion";
+ goto error;
+ }
+ continue;
+
+ case '!':
+ case '?':
+ /* Parse a privileged register. */
+ if (*s == '%')
+ {
+ struct priv_reg_entry *p = priv_reg_table;
+ int len;
+
+ 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 = 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 'I':
+ the_insn.reloc = RELOC_11;
+ immediate_max = 0x03FF;
+ goto immediate;
+
+ case 'j':
+ the_insn.reloc = RELOC_10;
+ immediate_max = 0x01FF;
+ 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 '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 '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++ == '%'
+
+ /* start-sanitize-v9 */
#ifndef NO_V9
- case 'j':
+ && ((format = *s) == 'f'
+ || *s == 'd'
+ || *s == 'q')
+#else
+ /* end-sanitize-v9 */
+ && ((format = *s) == 'f')
+
+ /* start-sanitize-v9 */
#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 */
+ && 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 */
+
+ if (format == 'f')
+ {
+ if (mask >= 32)
+ {
+ error_message = ": There are only 32 f registers; [0-31]";
+ goto error;
+ } /* on error */
+ /* start-sanitize-v9 */
#ifndef NO_V9
- case 'j':
- opcode |= (mask & 0x1f) << 9;
- continue;
+ }
+ else
+ {
+ if (format == 'd')
+ {
+ if (mask >= 64)
+ {
+ error_message = ": There are only 32 d registers [0, 2, ... 62].";
+ goto error;
+ }
+ else if (mask & 1)
+ {
+ error_message = ": Only even numbered d registers exist.";
+ goto error;
+ } /* on error */
+
+ }
+ else if (format == 'q')
+ {
+ if (mask >= 64)
+ {
+ error_message =
+ ": There are only 16 q registers [0, 4, ... 60].";
+ goto error;
+ }
+ else if (mask & 3)
+ {
+ error_message =
+ ": Only q registers evenly divisible by four exist.";
+ goto error;
+ } /* on error */
+ }
+ else
+ {
+ know (0);
+ } /* depending on format */
+
+ if (mask >= 32)
+ {
+ mask -= 31;
+ } /* wrap high bit */
#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;
- /* start-sanitize-v9 */
+ /* end-sanitize-v9 */
+ } /* if not an 'f' register. */
+ } /* on error */
+
+ 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 = 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 'n': /* 22 bit immediate */
+ the_insn.reloc = RELOC_22;
+ goto immediate;
+
+ case 'i': /* 13 bit immediate */
+ the_insn.reloc = RELOC_BASE13;
+ immediate_max = 0x0FFF;
+
+ /*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;
+ /* start-sanitize-v9 */
#ifndef NO_V9
- } else if (c == 'h'
- && s[2] == 'h'
- && s[3] == 'i') {
- the_insn.reloc = RELOC_HHI22;
- s += 4;
-
- } else if (c == 'h'
- && s[2] == 'l'
- && s[3] == 'o') {
- the_insn.reloc = RELOC_HLO10;
- s += 4;
+ }
+ else if (c == 'u'
+ && s[2] == 'h'
+ && s[3] == 'i')
+ {
+ the_insn.reloc = RELOC_HHI22;
+ s += 4;
+
+ }
+ else if (c == 'u'
+ && s[2] == 'l'
+ && s[3] == 'o')
+ {
+ the_insn.reloc = RELOC_HLO10;
+ s += 4;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- } else
- break;
- }
- /* Note that if the getExpression() fails, we
+ /* 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
+ 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 */
+
+ 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;
+
+ /* 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 != RELOC_LO10
+ && the_insn.reloc != RELOC_HI22
+ /* start-sanitize-v9 */
+#ifndef NO_V9
+ && the_insn.reloc != RELOC_HLO10
+ && the_insn.reloc != RELOC_HHI22
+#endif
+ /* end-sanitize-v9 */
+ && the_insn.exp.X_add_symbol == 0
+ && the_insn.exp.X_subtract_symbol == 0
+ && the_insn.exp.X_seg == SEG_ABSOLUTE
+ && (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':
+ {
+ char *push = input_line_pointer;
+ expressionS e;
+
+ input_line_pointer = s;
+
+ if (expression (&e) == SEG_ABSOLUTE)
+ {
+ opcode |= e.X_add_number << 5;
+ s = input_line_pointer;
+ input_line_pointer = push;
+ continue;
+ } /* if absolute */
break;
- } /* forever looking for a match */
+ } /* alternate space */
- the_insn.opcode = opcode;
- return;
-} /* sparc_ip() */
+ case 'p':
+ if (strncmp (s, "%psr", 4) == 0)
+ {
+ s += 4;
+ continue;
+ }
+ break;
-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 '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;
-
- default:
- the_insn.error = "bad segment";
- expr_end = input_line_pointer;
- input_line_pointer=save_in;
- return 1;
+ 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 */
+
+ 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:
+ 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;
+ return;
+} /* sparc_ip() */
+
+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:
+ break;
+
+ default:
+ 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, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
+ }
+ return ""; /* Someone should teach Dean about null pointers */
+} /* md_atof() */
/*
* 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;
+ long 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() */
+
+ switch (n)
+ {
+
+ case 4:
+ *buf++ = val >> 24;
+ *buf++ = val >> 16;
+ case 2:
+ *buf++ = val >> 8;
+ case 1:
+ *buf = val;
+ break;
+
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ return;
+} /* md_number_to_chars() */
/* 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;
+void
+md_apply_fix (fixP, val)
+ fixS *fixP;
+ long val;
{
- 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;
- /* start-sanitize-v9 */
-#ifndef NO_V9
- case RELOC_11:
- if (val & 0x7ff) {
- as_bad("relocation overflow");
- } /* on overflow */
+ assert (fixP->fx_size == 4);
+ assert (fixP->fx_r_type < NO_RELOC);
- buf[2] = (val >> 8) & 0x7;
- buf[3] = val & 0xff;
- break;
-
- case RELOC_WDISP2_14:
- if (val & ~0xffff) {
- as_bad("relocation overflow.");
- } /* on overflow */
+ fixP->fx_addnumber = val; /* Remember value for emit_reloc */
- val = (val >>= 2) + 1;
- buf[1] |= ((val >> 14) & 0x3) << 3;
- buf[2] |= (val >> 8) & 0x3f ;
- buf[3] = val & 0xff;
- break;
+ /*
+ * 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;
+ }
- case RELOC_WDISP19:
- if (val & ~0x7ffff) {
- as_bad("relocation overflow.");
- } /* on overflow */
+ switch (fixP->fx_r_type)
+ {
- val = (val >>= 2) + 1;
- buf[1] |= (val >> 16) & 0x7;
- buf[2] = (val >> 8) & 0xff;
- buf[3] = val & 0xff;
- break;
+ case RELOC_32:
+ buf[0] = 0; /* val >> 24; */
+ buf[1] = 0; /* val >> 16; */
+ buf[2] = 0; /* val >> 8; */
+ buf[3] = 0; /* val; */
+ break;
- case RELOC_HHI22:
- 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:
+ case RELOC_8: /* These don't seem to ever be needed. */
+ case RELOC_16:
+ case RELOC_DISP8:
+ case RELOC_DISP16:
+ case RELOC_DISP32:
#endif
-
- /* start-sanitize-v9 */
+ case RELOC_WDISP30:
+ 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 RELOC_HLO10:
- val >>= 32;
- /* intentional fallthrough */
+ case RELOC_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 RELOC_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 RELOC_WDISP2_14:
+ 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) << 3;
+ buf[2] |= (val >> 8) & 0x3f;
+ buf[3] = val & 0xff;
+ break;
+
+ case RELOC_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 RELOC_HHI22:
+ val >>= 32;
+ /* intentional fallthrough */
#endif /* NO_V9 */
- /* end-sanitize-v9 */
-
- case RELOC_LO10:
- if(!fixP->fx_addsy) {
- buf[2] |= (val >> 8) & 0x03;
- buf[3] = val;
- } else
- buf[3]=0;
- break;
+ /* 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;
+
+ case RELOC_22:
+ if (val & ~0x003fffff)
+ {
+ as_bad ("relocation overflow");
+ } /* on overflow */
+ buf[1] |= (val >> 16) & 0x3f;
+ buf[2] = val >> 8;
+ buf[3] = val & 0xff;
+ break;
+
+ case RELOC_13:
+ 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 RELOC_HLO10:
+ val >>= 32;
+ /* intentional fallthrough */
+#endif /* NO_V9 */
+ /* end-sanitize-v9 */
+
+ 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:
+ 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;
-
+ case RELOC_BASE13:
+ if (((val > 0) && (val & ~0x00001fff))
+ || ((val < 0) && (~(val - 1) & ~0x00001fff)))
+ {
+ as_bad ("relocation overflow");
+ } /* on overflow */
+ 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:
+ case RELOC_PC10:
+ case RELOC_PC22:
+ case RELOC_JMP_TBL:
+ case RELOC_SEGOFF16:
+ case RELOC_GLOB_DAT:
+ case RELOC_JMP_SLOT:
+ case RELOC_RELATIVE:
#endif
-
- case NO_RELOC:
- default:
- as_bad("bad relocation type: 0x%02x", fixP->fx_r_type);
- break;
- }
-} /* md_apply_fix() */
+
+ case NO_RELOC:
+ default:
+ as_bad ("bad relocation type: 0x%02x", fixP->fx_r_type);
+ break;
+ }
+} /* 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;
+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() */
+ as_fatal ("sparc_create_short_jmp\n");
+} /* 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. */
/* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com */
-void md_ri_to_chars(the_bytes, ri)
-char *the_bytes;
-struct reloc_info_generic *ri;
+void
+tc_aout_fix_to_chars (where, fixP, segment_address_in_file)
+ char *where;
+ fixS *fixP;
+ relax_addressT segment_address_in_file;
{
- /* 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() */
+ long r_index;
+ long r_extern;
+ long r_addend = 0;
+ long r_address;
+
+ know (fixP->fx_addsy);
+
+ if (!S_IS_DEFINED (fixP->fx_addsy))
+ {
+ r_extern = 1;
+ r_index = fixP->fx_addsy->sy_number;
+ }
+ else
+ {
+ r_extern = 0;
+ r_index = S_GET_TYPE (fixP->fx_addsy);
+ }
+
+ /* this is easy */
+ md_number_to_chars (where,
+ r_address = fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
+ 4);
+
+ /* now the fun stuff */
+ where[4] = (r_index >> 16) & 0x0ff;
+ where[5] = (r_index >> 8) & 0x0ff;
+ where[6] = r_index & 0x0ff;
+ where[7] = ((r_extern << 7) & 0x80) | (0 & 0x60) | (fixP->fx_r_type & 0x1F);
+
+ /* Also easy */
+ if (fixP->fx_addsy->sy_frag)
+ {
+ r_addend = fixP->fx_addsy->sy_frag->fr_address;
+ }
+
+ if (fixP->fx_pcrel)
+ {
+ r_addend += fixP->fx_offset - r_address;
+ }
+ else
+ {
+ r_addend = fixP->fx_addnumber;
+ }
+
+ md_number_to_chars (&where[8], r_addend, 4);
+
+ return;
+} /* tc_aout_fix_to_chars() */
/* should never be called for sparc */
-void md_convert_frag(fragP)
-register fragS *fragP;
+void
+md_convert_frag (headers, fragP)
+ object_headers *headers;
+ register fragS *fragP;
{
- fprintf(stderr, "sparc_convert_frag\n");
- abort();
-} /* md_convert_frag() */
+ as_fatal ("sparc_convert_frag\n");
+} /* 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;
+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() */
+ as_fatal ("sparc_create_long_jump\n");
+} /* md_create_long_jump() */
/* should never be called for sparc */
-int md_estimate_size_before_relax(fragP, segtype)
-fragS *fragP;
-segT segtype;
+int
+md_estimate_size_before_relax (fragP, segtype)
+ fragS *fragP;
+ segT segtype;
{
- fprintf(stderr, "sparc_estimate_size_before_relax\n");
- abort();
- return 0;
-} /* md_estimate_size_before_relax() */
+ as_fatal ("sparc_estimate_size_before_relax\n");
+ return (1);
+} /* md_estimate_size_before_relax() */
#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() */
+ 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() */
+
#endif
/* Set the hook... */
-void emit_sparc_reloc();
-void (*md_emit_relocations)() = emit_sparc_reloc;
+/* void emit_sparc_reloc();
+ void (*md_emit_relocations)() = emit_sparc_reloc; */
+
+#ifdef comment
/*
* 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;
+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;
- }
+ struct reloc_info_generic ri;
+ register symbolS *symbolP;
+ extern char *next_object_file_charP;
+ /* long add_number; */
+
+ memset ((char *) &ri, '\0', sizeof (ri));
+ for (; fixP; fixP = fixP->fx_next)
+ {
+
+ if (fixP->fx_r_type >= NO_RELOC)
+ {
+ as_fatal ("fixP->fx_r_type = %d\n", fixP->fx_r_type);
}
- return;
-} /* emit_sparc_reloc() */
+
+ 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 */
+#endif /* comment */
/*
* md_parse_option
* -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
+ * 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;
+/* 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;
{
- 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);
+ }
+ else
+ {
+ current_architecture = (enum sparc_architecture) (arch - architecture_pname);
+ architecture_requested = 1;
}
- **argP = '\0'; /* Done parsing this switch */
- return 1;
-} /* md_parse_option() */
+ }
+ 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() */
+} /* md_operand() */
/* Round up a section size to the appropriate boundary. */
-long md_section_align (segment, size)
-segT segment;
-long size;
+long
+md_section_align (segment, size)
+ segT segment;
+ long size;
{
- return (size + 7) & ~7; /* Round all sects to multiple of 8 */
-} /* md_section_align() */
+ return (size + 7) & ~7; /* Round all sects to multiple of 8 */
+} /* md_section_align() */
/* 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() */
+
+void
+tc_aout_pre_write_hook (headers)
+ object_headers *headers;
{
- return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address;
-} /* md_pcrel_from() */
+ H_SET_VERSION (headers, 1);
+ return;
+} /* tc_aout_pre_write_hook() */
/*
* Local Variables:
* End:
*/
-/* end of tp-sparc.c */
+/* end of tc-sparc.c */
projects / deliverable / binutils-gdb.git / blobdiff