static int warn_on_bump = 0;
const relax_typeS md_relax_table[] = {
- 0 };
+ 0 };
/* handle of the OPCODE hash table */
static struct hash_control *op_hash = NULL;
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 },
+ { "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;
static unsigned char toHex[256];
struct sparc_it {
- char *error;
-unsigned long opcode;
-struct nlist *nlistp;
-expressionS exp;
-int pcrel;
-enum reloc_type reloc;
+ char *error;
+ unsigned long opcode;
+ struct nlist *nlistp;
+ expressionS exp;
+ int pcrel;
+ enum reloc_type reloc;
} the_insn, set_insn;
#if __STDC__ == 1
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;
+ 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 == '\n') {
- as_bad("Missing alignment");
- return;
- }
- align = get_absolute_expression();
- if (align > max_alignment){
- align = max_alignment;
- as_warn("Alignment too large: %d. assumed.", align);
- } else if (align < 0) {
- align = 0;
- as_warn("Alignment negative. 0 assumed.");
+ 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;
+ }
+
+ align = get_absolute_expression();
+ if (align > max_alignment){
+ align = max_alignment;
+ as_warn("Alignment too large: %d. assumed.", align);
+ } else if (align < 0) {
+ align = 0;
+ as_warn("Alignment negative. 0 assumed.");
+ }
#ifdef MANY_SEGMENTS
#define SEG_BSS SEG_E2
- record_alignment(SEG_E2, align);
+ record_alignment(SEG_E2, align);
#else
- record_alignment(SEG_BSS, align);
+ 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 */
- /* 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 (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 */
- /* 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;
+ 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);
+ 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);
}
- } 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;
+ 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;
- }
- 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;
+ 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 */
+ 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;
- }
- 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;
+ demand_empty_rest_of_line();
+ return;
} /* s_data1() */
static void s_proc() {
extern char is_end_of_line[];
-
- while (!is_end_of_line[*input_line_pointer]) {
+
+ while (!is_end_of_line[*input_line_pointer]) {
+ ++input_line_pointer;
+ }
++input_line_pointer;
- }
- ++input_line_pointer;
- return;
+ 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;
+ 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));
}
- 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';
+
+ 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_end() {
} /* md_end() */
void md_assemble(str)
- char *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 */
- }
- }
-
- 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) {
+ char *toP;
+ int rsd;
- 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;
+ 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 */
+ }
+ }
- 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 */
+ /* put out the opcode */
md_number_to_chars(toP, the_insn.opcode, 4);
- return;
- case 0:
- return;
-
- default:
- as_fatal("failed sanity check.");
- }
+ /* 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:
+ as_fatal("failed sanity check.");
+ }
} /* md_assemble() */
static void sparc_ip(str)
- char *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;
-
- for (s = str; islower(*s) || (*s >= '0' && *s <= '3'); ++s)
- ;
- switch (*s) {
-
- case '\0':
- break;
-
- case ',':
- comma = 1;
-
- /*FALLTHROUGH */
-
- case ' ':
- *s++ = '\0';
- break;
+ 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;
- 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) {
+ for (s = str; islower(*s) || (*s >= '0' && *s <= '3'); ++s)
+ ;
+ switch (*s) {
- 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;
-#endif /* NO_V9 */
- /* end-sanitize-v9 */
-
- case '\0': /* end of args */
- if (*s == '\0') {
- match = 1;
- }
+ case '\0':
break;
- case '+':
- if (*s == '+') {
- ++s;
- continue;
- }
- if (*s == '-') {
- continue;
- }
- break;
+ case ',':
+ comma = 1;
- 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;
+ /*FALLTHROUGH */
- case 'C': /* coprocessor state register */
- if (strncmp(s, "%csr", 4) == 0) {
- s += 4;
- continue;
- }
+ case ' ':
+ *s++ = '\0';
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;
+ 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;
- 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) {
+ /*
+ * 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 '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 {
- 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 */
+ 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 'j':
- case 'u':
- case 'U':
+ 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;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- 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 */
+ /* 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 */
+#ifndef NO_V9
+ case 'j':
+ case 'u':
+ case 'U':
+#endif /* NO_V9 */
+ /* end-sanitize-v9 */
+ 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
- && ((format = *s) == 'f'
- || *s == 'd'
- || *s == 'q')
+ && ((format = *s) == 'f'
+ || *s == 'd'
+ || *s == 'q')
#else
- /* end-sanitize-v9 */
- && ((format = *s) == 'f')
-
- /* start-sanitize-v9 */
+ /* end-sanitize-v9 */
+ && ((format = *s) == 'f')
+
+ /* start-sanitize-v9 */
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- && isdigit(*++s)) {
-
-
-
- for (mask = 0; isdigit(*s); ++s) {
- mask = 10 * mask + (*s - '0');
- } /* read the number */
-
- if ((*args == 'u'
- || *args == 'v'
- || *args == 'B'
- || *args == 'H')
- && (mask & 1)) {
- break;
- } /* register must be even numbered */
-
- if ((*args == 'U'
- || *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 */
+ /* end-sanitize-v9 */
+ && isdigit(*++s)) {
+
+
+
+ for (mask = 0; isdigit(*s); ++s) {
+ mask = 10 * mask + (*s - '0');
+ } /* read the number */
+
+ if ((*args == 'u'
+ || *args == 'v'
+ || *args == 'B'
+ || *args == 'H')
+ && (mask & 1)) {
+ break;
+ } /* register must be even numbered */
+
+ if ((*args == 'U'
+ || *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
- } 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 */
+ } 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 */
- } /* if not an 'f' register. */
- } /* on error */
-
- switch (*args) {
- /* start-sanitize-v9 */
+ /* end-sanitize-v9 */
+ } /* if not an 'f' register. */
+ } /* on error */
+
+ switch (*args) {
+ /* start-sanitize-v9 */
#ifndef NO_V9
- case 'j':
- case 'u':
- case 'U':
- opcode |= (mask & 0x1f) << 9;
- continue;
+ case 'j':
+ case 'u':
+ case 'U':
+ opcode |= (mask & 0x1f) << 9;
+ continue;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
-
- 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;
-
- /*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 */
+
+ 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;
+
+ /*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 == '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;
#endif /* NO_V9 */
- /* end-sanitize-v9 */
- } else
+ /* 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;
+ 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;
+ } /* 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 's':
+ if (strncmp (s, "%usr", 4) != 0)
+ break;
+ s += 4;
+ continue;
+
+ case 'o':
+ if (strncmp (s, "%asi", 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;
- }
- /* 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': {
- 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;
- } /* 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;
+ } /* 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 ((!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 */
- 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:
- 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;
- }
- } else {
- if (insn->architecture > current_architecture) {
- if (!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 */
+ } /* forever looking for a match */
- break;
- } /* forever looking for a match */
-
- the_insn.opcode = opcode;
- return;
+ the_insn.opcode = opcode;
+ return;
} /* sparc_ip() */
static int getExpression(str)
- char *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;
+ char *save_in;
+ segT seg;
- default:
- the_insn.error = "bad segment";
+ 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 1;
- }
- expr_end = input_line_pointer;
- input_line_pointer = save_in;
- return 0;
+ input_line_pointer = save_in;
+ return 0;
} /* getExpression() */
#define MAX_LITTLENUMS 6
char *md_atof(type,litP,sizeP)
- char type;
- char *litP;
- int *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;
+ int prec;
+ LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ LITTLENUM_TYPE *wordP;
+ char *t;
+ char *atof_ieee();
- 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 */
+ 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;
+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:
- as_fatal("failed sanity check.");
- }
- return;
+ 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;
+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) {
+ char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+
+ assert(fixP->fx_size == 4);
+ assert(fixP->fx_r_type < NO_RELOC);
- case RELOC_32:
- buf[0] = 0; /* val >> 24; */
- buf[1] = 0; /* val >> 16; */
- buf[2] = 0; /* val >> 8; */
- buf[3] = 0; /* val; */
- break;
+ 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:
+ 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;
-
- /* 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_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_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 */
+ 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_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_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 */
+ /* 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 */
+ 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;
+ /* 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:
+ 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;
- }
+
+ 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;
+char *ptr;
+long from_addr;
+long to_addr;
+fragS *frag;
+symbolS *to_symbol;
{
- as_fatal("sparc_create_short_jmp\n");
+ as_fatal("sparc_create_short_jmp\n");
} /* md_create_short_jump() */
/* Translate internal representation of relocation info to target format.
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 tc_aout_fix_to_chars(where, fixP, segment_address_in_file)
- char *where;
- fixS *fixP;
- relax_addressT segment_address_in_file;
+void
+tc_aout_fix_to_chars(where, fixP, segment_address_in_file)
+ char *where;
+ fixS *fixP;
+ relax_addressT segment_address_in_file;
{
- long r_index;
- long r_extern;
- long r_addend = 0;
- long r_address;
-
- know(fixP->fx_addsy);
-
- if ((S_GET_TYPE(fixP->fx_addsy)) == N_UNDF) {
- 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 -= r_address;
- } else {
- r_addend = fixP->fx_addnumber;
- }
-
- md_number_to_chars(&where[8], r_addend, 4);
-
- return;
+ 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(headers, fragP)
- object_headers *headers;
- register fragS *fragP;
+object_headers *headers;
+register fragS *fragP;
{
- as_fatal("sparc_convert_frag\n");
+ 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;
+char *ptr;
+long from_addr, to_addr;
+fragS *frag;
+symbolS *to_symbol;
{
- as_fatal("sparc_create_long_jump\n");
+ 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;
+fragS *fragP;
+segT segtype;
{
- as_fatal("sparc_estimate_size_before_relax\n");
- return(1);
+ 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;
+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 = {
+ 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;
+ 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
*/
#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;
+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; */
-
- 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);
- }
+ struct reloc_info_generic ri;
+ register symbolS *symbolP;
+ extern char *next_object_file_charP;
+ /* long add_number; */
- 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;
+ 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);
+ }
+
+ 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;
+ return;
} /* emit_sparc_reloc() */
#endif /* aout or bout */
#endif /* comment */
* -bump
* Warn on architecture bumps. See also -A.
*
- * -Av6, -Av7, -Av8
+ * -Av6, -Av7, -Av8, -Asparclite
* Select the architecture. Instructions or features not
* supported by the selected architecture cause fatal errors.
*
* architecture starts at the specified level, but bumps are
* warnings.
*
+ * 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;
+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 */
+ char *p;
+ const char **arch;
- if (*arch == NULL){
- as_bad("unknown architecture: %s", p);
+ 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 {
- current_architecture = (enum sparc_architecture) (arch - architecture_pname);
- architecture_requested = 1;
+ /* Unknown option */
+ (*argP)++;
+ return 0;
}
- } else {
- /* Unknown option */
- (*argP)++;
- return 0;
- }
- **argP = '\0'; /* Done parsing this switch */
- return 1;
+ **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;
+char *name;
{
- return 0;
+ return 0;
} /* md_undefined_symbol() */
/* Parse an operand that is machine-specific.
/* ARGSUSED */
void md_operand(expressionP)
- expressionS *expressionP;
+expressionS *expressionP;
{
} /* md_operand() */
/* Round up a section size to the appropriate boundary. */
long md_section_align (segment, size)
- segT segment;
- long size;
+segT segment;
+long size;
{
- return (size + 7) & ~7; /* Round all sects to multiple of 8 */
+ return (size + 7) & ~7; /* Round all sects to multiple of 8 */
} /* md_section_align() */
/* Exactly what point is a PC-relative offset relative TO?
its size. This gets us to the following instruction.
(??? Is this right? FIXME-SOON) */
long md_pcrel_from(fixP)
- fixS *fixP;
+fixS *fixP;
{
- return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address;
+ 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;
+object_headers *headers;
{
- H_SET_VERSION(headers, 1);
- return;
+ H_SET_VERSION(headers, 1);
+ return;
} /* tc_aout_pre_write_hook() */
/*
projects / binutils-gdb.git / commitdiff