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authorNick Clifton <nickc@redhat.com>1997-09-02 23:01:27 +0000
committerNick Clifton <nickc@redhat.com>1997-09-02 23:01:27 +0000
commitccf107185ddeb528a78477da60102d721edbb398 (patch)
treea25a6747c3b99ef5c788ec806e28f6f4059d3087 /gas/config
parent134f75d8bab7faf55c0514e949949a1d61026967 (diff)
downloadgdb-ccf107185ddeb528a78477da60102d721edbb398.zip
gdb-ccf107185ddeb528a78477da60102d721edbb398.tar.gz
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Support for new relocations added. Support for SDA/TDA/ZDA sections added.
Diffstat (limited to 'gas/config')
-rw-r--r--gas/config/tc-v850.c486
-rw-r--r--gas/config/tc-v850.h39
2 files changed, 328 insertions, 197 deletions
diff --git a/gas/config/tc-v850.c b/gas/config/tc-v850.c
index 0f4117b..0646b63 100644
--- a/gas/config/tc-v850.c
+++ b/gas/config/tc-v850.c
@@ -64,6 +64,16 @@ const relax_typeS md_relax_table[] = {
};
+static segT sdata_section = NULL;
+static segT tdata_section = NULL;
+static segT zdata_section = NULL;
+static segT sbss_section = NULL;
+static segT tbss_section = NULL;
+static segT zbss_section = NULL;
+static segT rosdata_section = NULL;
+static segT rozdata_section = NULL;
+
+
/* local functions */
static unsigned long v850_insert_operand
PARAMS ((unsigned long insn, const struct v850_operand *operand,
@@ -74,13 +84,77 @@ static unsigned long v850_insert_operand
#define MAX_INSN_FIXUPS (5)
struct v850_fixup
{
- expressionS exp;
- int opindex;
+ expressionS exp;
+ int opindex;
bfd_reloc_code_real_type reloc;
};
struct v850_fixup fixups[MAX_INSN_FIXUPS];
static int fc;
+void
+v850_sdata (int ignore)
+{
+ subseg_set (sdata_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_tdata (int ignore)
+{
+ subseg_set (tdata_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_zdata (int ignore)
+{
+ subseg_set (zdata_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_sbss (int ignore)
+{
+ subseg_set (sbss_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_tbss (int ignore)
+{
+ subseg_set (tbss_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_zbss (int ignore)
+{
+ subseg_set (zbss_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_rosdata (int ignore)
+{
+ subseg_set (rosdata_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
+void
+v850_rozdata (int ignore)
+{
+ subseg_set (rozdata_section, (subsegT) get_absolute_expression ());
+
+ demand_empty_rest_of_line ();
+}
+
static void
v850_section (int arg)
{
@@ -103,6 +177,8 @@ void
v850_bss (int ignore)
{
register int temp = get_absolute_expression ();
+
+ obj_elf_section_change_hook();
subseg_set (bss_section, (subsegT) temp);
@@ -112,9 +188,12 @@ v850_bss (int ignore)
void
v850_offset (int ignore)
{
- register int temp = get_absolute_expression ();
+ int temp = get_absolute_expression ();
+
+ temp -= frag_now_fix();
- subseg_set (now_seg, (subsegT) temp);
+ if (temp > 0)
+ (void) frag_more (temp);
demand_empty_rest_of_line ();
}
@@ -122,6 +201,14 @@ v850_offset (int ignore)
/* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] =
{
+ {"sdata", v850_sdata, 0},
+ {"tdata", v850_tdata, 0},
+ {"zdata", v850_zdata, 0},
+ {"sbss", v850_sbss, 0},
+ {"tbss", v850_tbss, 0},
+ {"zbss", v850_zbss, 0},
+ {"rosdata", v850_rosdata, 0},
+ {"rozdata", v850_rozdata, 0},
{"bss", v850_bss, 0},
{"offset", v850_offset, 0},
{"section", v850_section, 0},
@@ -135,12 +222,12 @@ static struct hash_control *v850_hash;
/* This table is sorted. Suitable for searching by a binary search. */
static const struct reg_name pre_defined_registers[] =
{
- { "ep", 30 }, /* ep - element ptr */
- { "gp", 4 }, /* gp - global ptr */
- { "hp", 2 }, /* hp - handler stack ptr */
- { "lp", 31 }, /* lp - link ptr */
- { "r0", 0 },
- { "r1", 1 },
+ { "ep", 30 }, /* ep - element ptr */
+ { "gp", 4 }, /* gp - global ptr */
+ { "hp", 2 }, /* hp - handler stack ptr */
+ { "lp", 31 }, /* lp - link ptr */
+ { "r0", 0 },
+ { "r1", 1 },
{ "r10", 10 },
{ "r11", 11 },
{ "r12", 12 },
@@ -151,7 +238,7 @@ static const struct reg_name pre_defined_registers[] =
{ "r17", 17 },
{ "r18", 18 },
{ "r19", 19 },
- { "r2", 2 },
+ { "r2", 2 },
{ "r20", 20 },
{ "r21", 21 },
{ "r22", 22 },
@@ -162,17 +249,17 @@ static const struct reg_name pre_defined_registers[] =
{ "r27", 27 },
{ "r28", 28 },
{ "r29", 29 },
- { "r3", 3 },
+ { "r3", 3 },
{ "r30", 30 },
{ "r31", 31 },
- { "r4", 4 },
- { "r5", 5 },
- { "r6", 6 },
- { "r7", 7 },
- { "r8", 8 },
- { "r9", 9 },
- { "sp", 3 }, /* sp - stack ptr */
- { "tp", 5 }, /* tp - text ptr */
+ { "r4", 4 },
+ { "r5", 5 },
+ { "r6", 6 },
+ { "r7", 7 },
+ { "r8", 8 },
+ { "r9", 9 },
+ { "sp", 3 }, /* sp - stack ptr */
+ { "tp", 5 }, /* tp - text ptr */
{ "zero", 0 },
};
#define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct reg_name))
@@ -187,26 +274,26 @@ static const struct reg_name system_registers[] =
{ "dbpc", 18 },
{ "dbpsw", 19 },
/* end-sanitize-v850e */
- { "ecr", 4 },
- { "eipc", 0 },
- { "eipsw", 1 },
- { "fepc", 2 },
- { "fepsw", 3 },
- { "psw", 5 },
+ { "ecr", 4 },
+ { "eipc", 0 },
+ { "eipsw", 1 },
+ { "fepc", 2 },
+ { "fepsw", 3 },
+ { "psw", 5 },
};
#define SYSREG_NAME_CNT (sizeof (system_registers) / sizeof (struct reg_name))
static const struct reg_name cc_names[] =
{
- { "c", 0x1 },
- { "e", 0x2 },
+ { "c", 0x1 },
+ { "e", 0x2 },
{ "ge", 0xe },
{ "gt", 0xf },
- { "h", 0xb },
- { "l", 0x1 },
+ { "h", 0xb },
+ { "l", 0x1 },
{ "le", 0x7 },
{ "lt", 0x6 },
- { "n", 0x4 },
+ { "n", 0x4 },
{ "nc", 0x9 },
{ "ne", 0xa },
{ "nh", 0x3 },
@@ -215,11 +302,11 @@ static const struct reg_name cc_names[] =
{ "nv", 0x8 },
{ "nz", 0xa },
{ "p", 0xc },
- { "s", 0x4 },
+ { "s", 0x4 },
{ "sa", 0xd },
- { "t", 0x5 },
- { "v", 0x0 },
- { "z", 0x2 },
+ { "t", 0x5 },
+ { "v", 0x0 },
+ { "z", 0x2 },
};
#define CC_NAME_CNT (sizeof(cc_names) / sizeof(struct reg_name))
@@ -229,9 +316,9 @@ static const struct reg_name cc_names[] =
static int
reg_name_search (regs, regcount, name)
- const struct reg_name *regs;
- int regcount;
- const char *name;
+ const struct reg_name * regs;
+ int regcount;
+ const char * name;
{
int middle, low, high;
int cmp;
@@ -267,18 +354,18 @@ reg_name_search (regs, regcount, name)
*/
static boolean
register_name (expressionP)
- expressionS *expressionP;
+ expressionS * expressionP;
{
- int reg_number;
- char *name;
- char *start;
- char c;
+ int reg_number;
+ char * name;
+ char * start;
+ char c;
/* Find the spelling of the operand */
start = name = input_line_pointer;
c = get_symbol_end ();
-
+
reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
* input_line_pointer = c; /* put back the delimiting char */
@@ -319,10 +406,10 @@ system_register_name (expressionP, accept_numbers)
expressionS * expressionP;
boolean accept_numbers;
{
- int reg_number;
- char *name;
- char *start;
- char c;
+ int reg_number;
+ char * name;
+ char * start;
+ char c;
/* Find the spelling of the operand */
start = name = input_line_pointer;
@@ -388,10 +475,10 @@ static boolean
cc_name (expressionP)
expressionS *expressionP;
{
- int reg_number;
- char *name;
- char *start;
- char c;
+ int reg_number;
+ char * name;
+ char * start;
+ char c;
/* Find the spelling of the operand */
start = name = input_line_pointer;
@@ -684,21 +771,21 @@ md_parse_option (c, arg)
symbolS *
md_undefined_symbol (name)
- char *name;
+ char * name;
{
return 0;
}
char *
md_atof (type, litp, sizep)
- int type;
- char *litp;
- int *sizep;
+ int type;
+ char * litp;
+ int * sizep;
{
- int prec;
+ int prec;
LITTLENUM_TYPE words[4];
- char *t;
- int i;
+ char * t;
+ int i;
switch (type)
{
@@ -734,9 +821,9 @@ md_atof (type, litp, sizep)
/* Very gross. */
void
md_convert_frag (abfd, sec, fragP)
- bfd *abfd;
- asection *sec;
- fragS *fragP;
+ bfd * abfd;
+ asection * sec;
+ fragS * fragP;
{
subseg_change (sec, 0);
if (fragP->fr_subtype == 0)
@@ -771,8 +858,8 @@ md_convert_frag (abfd, sec, fragP)
valueT
md_section_align (seg, addr)
- asection *seg;
- valueT addr;
+ asection * seg;
+ valueT addr;
{
int align = bfd_get_section_alignment (stdoutput, seg);
return ((addr + (1 << align) - 1) & (-1 << align));
@@ -781,9 +868,11 @@ md_section_align (seg, addr)
void
md_begin ()
{
- char *prev_name = "";
- register const struct v850_opcode *op;
+ char * prev_name = "";
+ register const struct v850_opcode * op;
+ flagword applicable;
+
v850_hash = hash_new();
/* Insert unique names into hash table. The V850 instruction set
@@ -791,7 +880,7 @@ md_begin ()
on the operands. This hash table then provides a quick index to
the first opcode with a particular name in the opcode table. */
- op = v850_opcodes;
+ op = v850_opcodes;
while (op->name)
{
if (strcmp (prev_name, op->name))
@@ -803,26 +892,64 @@ md_begin ()
}
bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
- fprintf (stderr, "set to %d\n", 0 );
/* start-sanitize-v850e */
bfd_set_arch_mach (stdoutput, TARGET_ARCH, bfd_mach_v850e);
- fprintf (stderr, "set to %d\n", bfd_mach_v850e);
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
bfd_set_arch_mach (stdoutput, TARGET_ARCH, bfd_mach_v850eq);
- fprintf (stderr, "set to %d\n", bfd_mach_v850eq);
/* end-sanitize-v850eq */
+
+ applicable = bfd_applicable_section_flags (stdoutput);
+
+ sdata_section = subseg_new (".sdata", 0);
+ bfd_set_section_flags (stdoutput, sdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
+
+ tdata_section = subseg_new (".tdata", 0);
+ bfd_set_section_flags (stdoutput, tdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
+
+ zdata_section = subseg_new (".zdata", 0);
+ bfd_set_section_flags (stdoutput, zdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS));
+
+ sbss_section = subseg_new (".sbss", 0);
+ bfd_set_section_flags (stdoutput, sbss_section, applicable & SEC_ALLOC);
+
+ tbss_section = subseg_new (".tbss", 0);
+ bfd_set_section_flags (stdoutput, tbss_section, applicable & SEC_ALLOC);
+
+ zbss_section = subseg_new (".zbss", 0);
+ bfd_set_section_flags (stdoutput, zbss_section, applicable & SEC_ALLOC);
+
+ rosdata_section = subseg_new (".rosdata", 0);
+ bfd_set_section_flags (stdoutput, rosdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY));
+
+ rozdata_section = subseg_new (".rozdata", 0);
+ bfd_set_section_flags (stdoutput, rozdata_section, applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY));
}
+
+/* Warning: The code in this function relies upon the definitions
+ in the v850_operands[] array (defined in opcodes/v850-opc.c)
+ matching the hard coded values conatined herein. */
+
static bfd_reloc_code_real_type
-v850_reloc_prefix ()
+v850_reloc_prefix (const struct v850_operand * operand)
{
- if (strncmp(input_line_pointer, "hi0(", 4) == 0)
+ boolean paren_skipped = false;
+
+
+ /* Skip leading opening parenthesis. */
+ if (* input_line_pointer == '(')
+ {
+ ++ input_line_pointer;
+ paren_skipped = true;
+ }
+
+ if (strncmp (input_line_pointer, "hi0(", 4) == 0)
{
input_line_pointer += 3;
return BFD_RELOC_HI16;
}
- if (strncmp(input_line_pointer, "hi(", 3) == 0)
+ if (strncmp (input_line_pointer, "hi(", 3) == 0)
{
input_line_pointer += 2;
return BFD_RELOC_HI16_S;
@@ -836,56 +963,55 @@ v850_reloc_prefix ()
if (strncmp (input_line_pointer, "sdaoff(", 7) == 0)
{
input_line_pointer += 6;
- return BFD_RELOC_V850_SDA_OFFSET;
+
+ if (operand == NULL) return BFD_RELOC_V850_SDA_16_16_OFFSET;
+ if (operand->bits == 15 && operand->shift == 17) return BFD_RELOC_V850_SDA_15_16_OFFSET;
+ /* start-sanitize-v850e */
+ if (operand->bits == -1) return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET;
+ /* end-sanitize-v850e */
+
+ assert (operand->bits == 16);
+ assert (operand->shift == 16);
+
+ return BFD_RELOC_V850_SDA_16_16_OFFSET;
}
-
+
if (strncmp (input_line_pointer, "zdaoff(", 7) == 0)
{
input_line_pointer += 6;
- return BFD_RELOC_V850_ZDA_OFFSET;
+
+ if (operand == NULL) return BFD_RELOC_V850_ZDA_16_16_OFFSET;
+ if (operand->bits == 15 && operand->shift == 17) return BFD_RELOC_V850_ZDA_15_16_OFFSET;
+ /* start-sanitize-v850e */
+ if (operand->bits == -1) return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET;
+ /* end-sanitize-v850e */
+
+ assert (operand->bits == 16);
+ assert (operand->shift == 16);
+
+ return BFD_RELOC_V850_ZDA_16_16_OFFSET;
}
-
+
if (strncmp (input_line_pointer, "tdaoff(", 7) == 0)
{
input_line_pointer += 6;
- return BFD_RELOC_V850_TDA_OFFSET;
- }
-
- /* Disgusting */
- if (strncmp(input_line_pointer, "(hi0(", 5) == 0)
- {
- input_line_pointer += 4;
- return BFD_RELOC_HI16;
- }
- if (strncmp(input_line_pointer, "(hi(", 4) == 0)
- {
- input_line_pointer += 3;
- return BFD_RELOC_HI16_S;
- }
- if (strncmp (input_line_pointer, "(lo(", 4) == 0)
- {
- input_line_pointer += 3;
- return BFD_RELOC_LO16;
- }
-
- if (strncmp (input_line_pointer, "(sdaoff(", 8) == 0)
- {
- input_line_pointer += 7;
- return BFD_RELOC_V850_SDA_OFFSET;
- }
-
- if (strncmp (input_line_pointer, "(zdaoff(", 8) == 0)
- {
- input_line_pointer += 7;
- return BFD_RELOC_V850_ZDA_OFFSET;
- }
-
- if (strncmp (input_line_pointer, "(tdaoff(", 8) == 0)
- {
- input_line_pointer += 7;
- return BFD_RELOC_V850_TDA_OFFSET;
+
+ if (operand == NULL) return BFD_RELOC_V850_TDA_7_7_OFFSET;
+ if (operand->bits == 6 && operand->shift == 1) return BFD_RELOC_V850_TDA_6_8_OFFSET;
+ /* start-sanitize-v850e */
+ if (operand->bits == 4 && operand->insert != NULL) return BFD_RELOC_V850_TDA_4_5_OFFSET;
+ if (operand->bits == 4 && operand->insert == NULL) return BFD_RELOC_V850_TDA_4_4_OFFSET;
+ /* end-sanitize-v850e */
+
+ assert (operand->bits == 7);
+
+ return operand->insert != NULL ? BFD_RELOC_V850_TDA_7_8_OFFSET : BFD_RELOC_V850_TDA_7_7_OFFSET;
}
+ if (paren_skipped)
+ /* Restore skipped character. */
+ -- input_line_pointer;
+
return BFD_RELOC_UNUSED;
}
@@ -905,13 +1031,11 @@ md_assemble (str)
char * f;
int i;
int match;
- bfd_reloc_code_real_type reloc;
boolean extra_data_after_insn = false;
unsigned extra_data_len;
unsigned long extra_data;
char * saved_input_line_pointer;
-
/* Get the opcode. */
for (s = str; *s != '\0' && ! isspace (*s); s++)
continue;
@@ -954,6 +1078,7 @@ md_assemble (str)
const struct v850_operand * operand;
char * hold;
expressionS ex;
+ bfd_reloc_code_real_type reloc;
if (next_opindex == 0)
{
@@ -977,10 +1102,10 @@ md_assemble (str)
hold = input_line_pointer;
input_line_pointer = str;
-/*fprintf (stderr, "operand: %s index = %d, opcode = %s\n", input_line_pointer, opindex_ptr - opcode->operands, opcode->name );*/
+/* fprintf (stderr, "operand: %s index = %d, opcode = %s\n", input_line_pointer, opindex_ptr - opcode->operands, opcode->name ); */
/* lo(), hi(), hi0(), etc... */
- if ((reloc = v850_reloc_prefix()) != BFD_RELOC_UNUSED)
+ if ((reloc = v850_reloc_prefix (operand)) != BFD_RELOC_UNUSED)
{
expression (& ex);
@@ -1014,6 +1139,7 @@ md_assemble (str)
}
default:
+ as_bad ( "AAARG -> unhandled constant reloc");
break;
}
@@ -1025,13 +1151,9 @@ md_assemble (str)
if (fc > MAX_INSN_FIXUPS)
as_fatal ("too many fixups");
- /* Adjust any offsets for sst.{h,w}/sld.{h,w} instructions */
- if (operand->flags & V850_OPERAND_ADJUST_SHORT_MEMORY)
- ex.X_add_number >>= 1;
-
- fixups[fc].exp = ex;
- fixups[fc].opindex = *opindex_ptr;
- fixups[fc].reloc = reloc;
+ fixups[ fc ].exp = ex;
+ fixups[ fc ].opindex = * opindex_ptr;
+ fixups[ fc ].reloc = reloc;
fc++;
}
}
@@ -1056,7 +1178,7 @@ md_assemble (str)
{
if (!system_register_name (& ex, true))
{
- errmsg = "UGG invalid system register name";
+ errmsg = "invalid system register name";
}
}
else if ((operand->flags & V850_OPERAND_EP) != 0)
@@ -1170,7 +1292,7 @@ md_assemble (str)
if (errmsg)
goto error;
-/*fprintf (stderr, "insn: %x, operand %d, op: %d, add_number: %d\n", insn, opindex_ptr - opcode->operands, ex.X_op, ex.X_add_number );*/
+/* fprintf (stderr, "insn: %x, operand %d, op: %d, add_number: %d\n", insn, opindex_ptr - opcode->operands, ex.X_op, ex.X_add_number ); */
switch (ex.X_op)
{
@@ -1199,9 +1321,10 @@ md_assemble (str)
/* We need to generate a fixup for this expression. */
if (fc >= MAX_INSN_FIXUPS)
as_fatal ("too many fixups");
- fixups[fc].exp = ex;
- fixups[fc].opindex = *opindex_ptr;
- fixups[fc].reloc = BFD_RELOC_UNUSED;
+
+ fixups[ fc ].exp = ex;
+ fixups[ fc ].opindex = * opindex_ptr;
+ fixups[ fc ].reloc = BFD_RELOC_UNUSED;
++fc;
break;
}
@@ -1226,7 +1349,7 @@ md_assemble (str)
continue;
}
- as_bad ("%s", errmsg);
+ as_bad (errmsg);
ignore_rest_of_line ();
input_line_pointer = saved_input_line_pointer;
return;
@@ -1275,8 +1398,9 @@ md_assemble (str)
if (extra_data_after_insn)
{
- f = frag_more (extra_data_len);
- md_number_to_chars (f, extra_data, extra_data_len);
+ char * g = frag_more (extra_data_len);
+
+ md_number_to_chars (g, extra_data, extra_data_len);
extra_data_after_insn = false;
}
@@ -1287,35 +1411,32 @@ md_assemble (str)
BFD_RELOC_UNUSED plus the operand index. This lets us easily
handle fixups for any operand type, although that is admittedly
not a very exciting feature. We pick a BFD reloc type in
- md_apply_fix. */
+ md_apply_fix. */
for (i = 0; i < fc; i++)
{
- const struct v850_operand *operand;
+ const struct v850_operand * operand;
- operand = &v850_operands[fixups[i].opindex];
+ operand = & v850_operands[ fixups[i].opindex ];
+
if (fixups[i].reloc != BFD_RELOC_UNUSED)
{
- reloc_howto_type *reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
- int size;
- int offset;
- fixS *fixP;
+ reloc_howto_type * reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
+ int size;
+ int address;
+ fixS * fixP;
if (!reloc_howto)
abort();
size = bfd_get_reloc_size (reloc_howto);
- /* The "size" of a TDA_OFFSET reloc varies depending
- on what kind of instruction it's used in! */
- if (reloc_howto->type == 11 && insn_size > 2)
- size = 2;
-
- if (size < 1 || size > 4)
+ if (size != 2 && size != 4) /* XXX this will abort on an R_V850_8 reloc - is this reloc actually used ? */
abort();
- offset = 4 - size;
- fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, size,
- &fixups[i].exp,
+ address = (f - frag_now->fr_literal) + insn_size - size;
+
+ fixP = fix_new_exp (frag_now, address, size,
+ & fixups[i].exp,
reloc_howto->pc_relative,
fixups[i].reloc);
@@ -1331,46 +1452,49 @@ md_assemble (str)
else
{
fix_new_exp (frag_now, f - frag_now->fr_literal, 4,
- &fixups[i].exp,
+ & fixups[i].exp,
1 /* FIXME: V850_OPERAND_RELATIVE ??? */,
((bfd_reloc_code_real_type)
(fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
}
}
-
+
input_line_pointer = saved_input_line_pointer;
}
-/* if while processing a fixup, a reloc really needs to be created */
-/* then it is done here */
+/* If while processing a fixup, a reloc really needs to be created */
+/* then it is done here. */
arelent *
tc_gen_reloc (seg, fixp)
- asection *seg;
- fixS *fixp;
+ asection * seg;
+ fixS * fixp;
{
- arelent *reloc;
- reloc = (arelent *) xmalloc (sizeof (arelent));
- reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
- reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
- reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
+ arelent * reloc;
+
+ reloc = (arelent *) xmalloc (sizeof (arelent));
+ reloc->sym_ptr_ptr = & fixp->fx_addsy->bsym;
+ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
+
if (reloc->howto == (reloc_howto_type *) NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
"reloc %d not supported by object file format", (int)fixp->fx_r_type);
return NULL;
}
+
reloc->addend = fixp->fx_addnumber;
- /* printf("tc_gen_reloc: addr=%x addend=%x\n", reloc->address, reloc->addend); */
+
return reloc;
}
/* Assume everything will fit in two bytes, then expand as necessary. */
int
md_estimate_size_before_relax (fragp, seg)
- fragS *fragp;
- asection *seg;
+ fragS * fragp;
+ asection * seg;
{
fragp->fr_var = 4;
return 2;
@@ -1379,7 +1503,7 @@ md_estimate_size_before_relax (fragp, seg)
long
md_pcrel_from (fixp)
- fixS *fixp;
+ fixS * fixp;
{
/* If the symbol is undefined, or in a section other than our own,
then let the linker figure it out. */
@@ -1393,20 +1517,20 @@ md_pcrel_from (fixp)
int
md_apply_fix3 (fixp, valuep, seg)
- fixS *fixp;
- valueT *valuep;
- segT seg;
+ fixS * fixp;
+ valueT * valuep;
+ segT seg;
{
valueT value;
- char *where;
+ char * where;
if (fixp->fx_addsy == (symbolS *) NULL)
{
- value = *valuep;
+ value = * valuep;
fixp->fx_done = 1;
}
else if (fixp->fx_pcrel)
- value = *valuep;
+ value = * valuep;
else
{
value = fixp->fx_offset;
@@ -1423,17 +1547,15 @@ md_apply_fix3 (fixp, valuep, seg)
}
}
- /* printf("md_apply_fix: value=0x%x type=%d\n", value, fixp->fx_r_type); */
-
if ((int) fixp->fx_r_type >= (int) BFD_RELOC_UNUSED)
{
- int opindex;
- const struct v850_operand *operand;
- char *where;
- unsigned long insn;
+ int opindex;
+ const struct v850_operand * operand;
+ char * where;
+ unsigned long insn;
opindex = (int) fixp->fx_r_type - (int) BFD_RELOC_UNUSED;
- operand = &v850_operands[opindex];
+ operand = & v850_operands[ opindex ];
/* Fetch the instruction, insert the fully resolved operand
value, and stuff the instruction back again.
@@ -1442,10 +1564,10 @@ md_apply_fix3 (fixp, valuep, seg)
format! */
where = fixp->fx_frag->fr_literal + fixp->fx_where;
- insn = bfd_getl32((unsigned char *) where);
+ insn = bfd_getl32 ((unsigned char *) where);
insn = v850_insert_operand (insn, operand, (offsetT) value,
fixp->fx_file, fixp->fx_line);
- bfd_putl32((bfd_vma) insn, (unsigned char *) where);
+ bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
if (fixp->fx_done)
{
@@ -1477,11 +1599,11 @@ md_apply_fix3 (fixp, valuep, seg)
if (fixp->fx_size == 1)
*where = value & 0xff;
if (fixp->fx_size == 2)
- bfd_putl16(value & 0xffff, (unsigned char *) where);
+ bfd_putl16 (value & 0xffff, (unsigned char *) where);
if (fixp->fx_size == 4)
- bfd_putl32(value, (unsigned char *) where);
+ bfd_putl32 (value, (unsigned char *) where);
}
-
+
fixp->fx_addnumber = value;
return 1;
}
@@ -1555,7 +1677,7 @@ parse_cons_expression_v850 (exp)
expressionS *exp;
{
/* See if there's a reloc prefix like hi() we have to handle. */
- hold_cons_reloc = v850_reloc_prefix ();
+ hold_cons_reloc = v850_reloc_prefix (NULL);
/* Do normal expression parsing. */
expression (exp);
diff --git a/gas/config/tc-v850.h b/gas/config/tc-v850.h
index d76215b..cfd6cfa 100644
--- a/gas/config/tc-v850.h
+++ b/gas/config/tc-v850.h
@@ -1,5 +1,5 @@
/* tc-v850.h -- Header file for tc-v850.c.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@@ -14,11 +14,14 @@
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#define TC_V850
+#define TARGET_BYTES_BIG_ENDIAN 0
+
#ifndef BFD_ASSEMBLER
#error V850 support requires BFD_ASSEMBLER
#endif
@@ -34,24 +37,13 @@
/* Permit temporary numeric labels. */
#define LOCAL_LABELS_FB 1
-#define LOCAL_LABEL(name) ((name[0] == '.' \
- && (name[1] == 'L' || name[1] == '.')) \
- || (name[0] == '_' && name[1] == '.' && name[2] == 'L' \
- && name[3] == '_'))
-
-#define FAKE_LABEL_NAME ".L0\001"
#define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */
/* We don't need to handle .word strangely. */
#define WORKING_DOT_WORD
#define md_number_to_chars number_to_chars_littleendian
-
-/* In theory, we could adjust TDA relocs; it just means more hackery
- to bfd/elf32-v850.c. Not adjusting them is easier at the moment. */
-#define tc_fix_adjustable(FIX) \
- (!(FIX)->fx_pcrel && (FIX)->fx_r_type != BFD_RELOC_V850_TDA_OFFSET)
-
+
/* We need to handle lo(), hi(), etc etc in .hword, .word, etc
directives, so we have to parse "cons" expressions ourselves. */
#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_cons_expression_v850 (EXP)
@@ -59,3 +51,20 @@
extern const struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
+
+/* This section must be in the small data area (pointed to by GP). */
+#define SHF_V850_GPREL 0x10000000
+/* This section must be in the tiny data area (pointed to by EP). */
+#define SHF_V850_EPREL 0x20000000
+/* This section must be in the zero data area (pointed to by R0). */
+#define SHF_V850_R0REL 0x40000000
+
+#define ELF_TC_SPECIAL_SECTIONS \
+ { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
+ { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
+ { ".rosdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_GPREL }, \
+ { ".tdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL }, \
+ { ".zdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
+ { ".rozdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_R0REL }, \
+ { ".zbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+