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authorIan Lance Taylor <ian@airs.com>1993-07-07 17:23:39 +0000
committerIan Lance Taylor <ian@airs.com>1993-07-07 17:23:39 +0000
commit918692a5cc5fa2dab2fa9018c4db22af7a79b99f (patch)
treef9460661fc3a750c4c2aa3f42e4f0345cedb8167 /gas/config
parent76c64db09fb49969a69440d82ca21a10b7971019 (diff)
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* config/mips-opcode.h: Moved to opcode/mips.h.
* config/tc-mips.c: Include opcode/mips.h rather than mips-opcode.h. (append_insn): An extra NOP is only needed after instructions which set HI or LO, not after instructions which read it. (macro_build, mips_ip): Support new 'E', 'G' and 'B' arguments. (macro): cfc1 and ctc1 now take "t,G" rather than "t,d". * config/tc-mips.h (struct mips_opcode): Don't define. * config/mips-big.mt, config/mips-lit.mt (TARG_CPU_DEPENDENTS): Set to $(srcdir)/../include/opcode/mips.h. Get the MIPS assembler up to speed with other gas changes: * config/obj-ecoff.c (ecoff_set_vma, ecoff_frob_symbol): Removed; don't change the symbol value. (ecoff_build_symbols, ecoff_build_procs, ecoff_frob_file): Use bfd_asymbol_value rather than S_GET_VALUE to include section vma in symbol value. (ecoff_frob_file): Ignore BSF_SECTION_SYM symbols, since ECOFF doesn't output them. Set the vma of sections. * config/obj-ecoff.h: Don't define obj_frob_symbol. * config/tc-mips.c (tc_gen_reloc): Adjustment by section vma is no longer necessary. (various): use valueT rather than long.
Diffstat (limited to 'gas/config')
-rw-r--r--gas/config/.Sanitize1
-rw-r--r--gas/config/mips-big.mt1
-rw-r--r--gas/config/mips-lit.mt1
-rw-r--r--gas/config/obj-ecoff.c154
-rw-r--r--gas/config/tc-mips.c57
-rw-r--r--gas/config/tc-mips.h14
6 files changed, 135 insertions, 93 deletions
diff --git a/gas/config/.Sanitize b/gas/config/.Sanitize
index 79b1eb2..b4ee3c1 100644
--- a/gas/config/.Sanitize
+++ b/gas/config/.Sanitize
@@ -63,7 +63,6 @@ m88k-opcode.h
m88k.patches
mips-big.mt
mips-lit.mt
-mips-opcode.h
obj-aout.c
obj-aout.h
obj-bout.c
diff --git a/gas/config/mips-big.mt b/gas/config/mips-big.mt
index 31e773a..a26f484 100644
--- a/gas/config/mips-big.mt
+++ b/gas/config/mips-big.mt
@@ -1 +1,2 @@
TDEFINES=-DTARGET_BYTES_BIG_ENDIAN
+TARG_CPU_DEPENDENTS=$(srcdir)/../include/opcode/mips.h
diff --git a/gas/config/mips-lit.mt b/gas/config/mips-lit.mt
index 9e240e8..9faa183 100644
--- a/gas/config/mips-lit.mt
+++ b/gas/config/mips-lit.mt
@@ -1 +1,2 @@
TDEFINES=-DTARGET_BYTES_LITTLE_ENDIAN
+TARG_CPU_DEPENDENTS=$(srcdir)/../include/opcode/mips.h
diff --git a/gas/config/obj-ecoff.c b/gas/config/obj-ecoff.c
index 35567f1..69ecbc2 100644
--- a/gas/config/obj-ecoff.c
+++ b/gas/config/obj-ecoff.c
@@ -35,6 +35,9 @@
/* Why isn't this in coff/sym.h? */
#define ST_RFDESCAPE 0xfff
+/* Why isn't this in listing.h? */
+extern int listing;
+
/* The ECOFF file format uses COFF style sections, but with a unique
debugging format. We just build generic BFD sections since BFD
knows how to write them out. The debugging format, however, we
@@ -975,7 +978,7 @@ static const efdr_t init_file =
0, /* rfdBase: index into the file indirect table */
0, /* crfd: count file indirect entries */
langC, /* lang: language for this file */
- 1, /* fMerge: whether this file can be merged */
+ 0, /* fMerge: whether this file can be merged */
0, /* fReadin: true if read in (not just created) */
#ifdef TARGET_BYTES_BIG_ENDIAN
1, /* fBigendian: if 1, compiled on big endian machine */
@@ -1479,7 +1482,6 @@ static long ecoff_build_ss PARAMS ((char **buf, char **bufend,
long offset));
static long ecoff_build_fdr PARAMS ((char **buf, char **bufend,
long offset));
-static void ecoff_set_vma PARAMS ((void));
static page_t *allocate_cluster PARAMS ((unsigned long npages));
static page_t *allocate_page PARAMS ((void));
static scope_t *allocate_scope PARAMS ((void));
@@ -1563,8 +1565,6 @@ void
obj_read_begin_hook ()
{
tag_hash = hash_new ();
- if (tag_hash == (struct hash_control *) NULL)
- as_fatal ("Can't create hash table");
top_tag_head = allocate_thead ();
top_tag_head->first_tag = (tag_t *) NULL;
top_tag_head->free = (thead_t *) NULL;
@@ -1578,6 +1578,8 @@ void
obj_symbol_new_hook (symbolP)
symbolS *symbolP;
{
+ if (cur_file_ptr == (efdr_t *) NULL)
+ add_file ((const char *) NULL, 0);
symbolP->ecoff_file = cur_file_ptr;
symbolP->ecoff_symbol = 0;
symbolP->ecoff_undefined = 0;
@@ -1679,7 +1681,7 @@ add_ecoff_symbol (str, type, storage, sym_value, value, indx)
register thead_t *ptag_head;
register tag_t *ptag;
register tag_t *ptag_next;
- register varray_t *vp = &cur_file_ptr->symbols;
+ register varray_t *vp;
register int scope_delta = 0;
shash_t *hash_ptr = (shash_t *) NULL;
@@ -2266,6 +2268,11 @@ add_file (file_name, indx)
}
}
+#ifndef NO_LISTING
+ if (listing)
+ listing_source_file (file_name);
+#endif
+
/* If we're creating stabs, then we don't actually make a new FDR.
Instead, we just create a stabs symbol. */
if (stabs_seen)
@@ -2307,8 +2314,6 @@ add_file (file_name, indx)
/* Allocate the string hash table. */
fil_ptr->str_hash = hash_new ();
- if (fil_ptr->str_hash == (struct hash_control *) NULL)
- as_fatal ("Can't create hash table");
/* Make sure 0 byte in string table is null */
add_string (&fil_ptr->strings,
@@ -3216,6 +3221,7 @@ obj_ecoff_loc (ignore)
int ignore;
{
lineno_list_t *list;
+ int lineno;
if (cur_file_ptr == (efdr_t *) NULL)
{
@@ -3236,6 +3242,13 @@ obj_ecoff_loc (ignore)
get_absolute_expression ();
SKIP_WHITESPACE ();
+ lineno = get_absolute_expression ();
+
+#ifndef NO_LISTING
+ if (listing)
+ listing_source_line (lineno);
+#endif
+
/* If we're building stabs, then output a special label rather than
ECOFF line number info. */
if (stabs_seen)
@@ -3243,7 +3256,7 @@ obj_ecoff_loc (ignore)
(void) add_ecoff_symbol ((char *) NULL, st_Label, sc_Text,
symbol_new ("L0\001", now_seg,
frag_now_fix (), frag_now),
- 0, get_absolute_expression ());
+ 0, lineno);
return;
}
@@ -3254,7 +3267,7 @@ obj_ecoff_loc (ignore)
list->proc = cur_proc_ptr;
list->frag = frag_now;
list->paddr = frag_now_fix ();
- list->lineno = get_absolute_expression ();
+ list->lineno = lineno;
/* A .loc directive will sometimes appear before a .ent directive,
which means that cur_proc_ptr will be NULL here. Arrange to
@@ -3332,6 +3345,12 @@ obj_ecoff_stab (type)
st_t st;
sc_t sc;
+ if (cur_file_ptr == (efdr_t *) NULL)
+ {
+ add_file ((const char *) NULL, 0);
+ save_file_ptr = cur_file_ptr;
+ }
+
if (stabs_seen == 0)
mark_stabs (0);
@@ -3393,6 +3412,11 @@ obj_ecoff_stab (type)
code = (symint_t) get_absolute_expression ();
+#ifndef NO_LISTING
+ if (listing)
+ listing_source_line (code);
+#endif
+
if (*input_line_pointer++ != ',')
{
as_warn ("Bad .stab%c directive", type);
@@ -3423,6 +3447,11 @@ obj_ecoff_stab (type)
}
else
{
+#ifndef NO_LISTING
+ if (listing && (code == N_SO || code == N_SOL))
+ listing_source_file (string);
+#endif
+
/* The next number is sometimes the line number of the
declaration. We have nowhere to put it, so we just ignore
it. */
@@ -3551,6 +3580,9 @@ ecoff_build_lineno (buf, bufend, offset, linecntptr)
long iline;
long totcount;
+ if (linecntptr != (long *) NULL)
+ *linecntptr = 0;
+
bufptr = *buf + offset;
file = (efdr_t *) NULL;
@@ -3591,6 +3623,9 @@ ecoff_build_lineno (buf, bufend, offset, linecntptr)
/* The cline field is ill-documented. This is a guess
at the right value. */
file->fdr.cline = totcount + count;
+ if (linecntptr != (long *) NULL)
+ *linecntptr += totcount + count;
+ totcount = 0;
}
if (l->file != file)
@@ -3710,10 +3745,10 @@ ecoff_build_lineno (buf, bufend, offset, linecntptr)
file->fdr.cline = totcount;
}
- c = ecoff_longword_adjust (buf, bufend, c, &bufptr);
-
if (linecntptr != (long *) NULL)
- *linecntptr = totcount;
+ *linecntptr += totcount;
+
+ c = ecoff_longword_adjust (buf, bufend, c, &bufptr);
return c;
}
@@ -3815,11 +3850,20 @@ ecoff_build_symbols (buf,
{
know (sym_ptr->proc_ptr != (proc_t *) NULL);
sym_ptr->ecoff_sym.value =
- (S_GET_VALUE (as_sym)
- - S_GET_VALUE (sym_ptr->proc_ptr->sym->as_sym));
+ (bfd_asymbol_value (as_sym->bsym)
+ - bfd_asymbol_value (sym_ptr->proc_ptr->sym
+ ->as_sym->bsym));
}
else
- sym_ptr->ecoff_sym.value = S_GET_VALUE (as_sym);
+ sym_ptr->ecoff_sym.value =
+ bfd_asymbol_value (as_sym->bsym);
+
+ /* Set st_Proc to st_StaticProc for local
+ functions. */
+ if (sym_ptr->ecoff_sym.st == st_Proc
+ && S_IS_DEFINED (as_sym)
+ && ! S_IS_EXTERNAL (as_sym))
+ sym_ptr->ecoff_sym.st = st_StaticProc;
/* Get the type and storage class based on where
the symbol actually wound up. Traditionally,
@@ -3878,6 +3922,8 @@ ecoff_build_symbols (buf,
sc = sc_Bss;
else if (strcmp (segname, ".sbss") == 0)
sc = sc_SBss;
+ else if (seg == &bfd_abs_section)
+ sc = sc_Abs;
else
abort ();
@@ -3955,8 +4001,8 @@ ecoff_build_symbols (buf,
know (as_sym != (symbolS *) NULL);
know (begin_ptr->as_sym != (symbolS *) NULL);
sym_ptr->ecoff_sym.value =
- (S_GET_VALUE (as_sym)
- - S_GET_VALUE (begin_ptr->as_sym));
+ (bfd_asymbol_value (as_sym->bsym)
+ - bfd_asymbol_value (begin_ptr->as_sym->bsym));
}
else if (begin_type == st_Block
&& sym_ptr->ecoff_sym.sc != (int) sc_Info)
@@ -3964,8 +4010,9 @@ ecoff_build_symbols (buf,
know (as_sym != (symbolS *) NULL);
know (sym_ptr->proc_ptr != (proc_t *) NULL);
sym_ptr->ecoff_sym.value =
- (S_GET_VALUE (as_sym)
- - S_GET_VALUE (sym_ptr->proc_ptr->sym->as_sym));
+ (bfd_asymbol_value (as_sym->bsym)
+ - bfd_asymbol_value (sym_ptr->proc_ptr->sym
+ ->as_sym->bsym));
}
}
@@ -4008,6 +4055,12 @@ ecoff_build_symbols (buf,
memset (&ext, 0, sizeof ext);
ext.asym = sym_ptr->ecoff_sym;
+ if (sym_ptr->ecoff_sym.st == st_Proc
+ || sym_ptr->ecoff_sym.st == st_StaticProc)
+ {
+ know (local);
+ ext.asym.index = isym - ifilesym - 1;
+ }
ext.ifd = fil_ptr->file_index;
ext.asym.iss = add_string (ext_strings,
ext_str_hash,
@@ -4043,11 +4096,13 @@ ecoff_build_procs (buf, bufend, offset)
long offset;
{
struct pdr_ext *pdr_out;
+ int first_fil;
long iproc;
vlinks_t *file_link;
pdr_out = (struct pdr_ext *) (*buf + offset);
+ first_fil = 1;
iproc = 0;
/* The procedures are stored by file. */
@@ -4090,10 +4145,13 @@ ecoff_build_procs (buf, bufend, offset)
{
unsigned long adr;
- adr = S_GET_VALUE (proc_ptr->sym->as_sym);
+ adr = bfd_asymbol_value (proc_ptr->sym->as_sym->bsym);
if (first)
{
- fil_ptr->fdr.adr = adr;
+ if (first_fil)
+ first_fil = 0;
+ else
+ fil_ptr->fdr.adr = adr;
first = 0;
}
proc_ptr->pdr.adr = adr - fil_ptr->fdr.adr;
@@ -4349,42 +4407,6 @@ ecoff_build_fdr (buf, bufend, offset)
return offset + ifile * sizeof (struct fdr_ext);
}
-/* Set the vma for all the sections. */
-
-static void
-ecoff_set_vma ()
-{
- register bfd_vma addr;
- register asection *sec;
-
- addr = 0;
- for (sec = stdoutput->sections; sec != (asection *) NULL; sec = sec->next)
- {
- bfd_set_section_vma (stdoutput, sec, addr);
- addr += bfd_section_size (stdoutput, sec);
- }
-}
-
-/* Adjust the value of a symbol by the vma of the section. */
-
-void
-ecoff_frob_symbol (sym)
- symbolS *sym;
-{
- static int setvma = 0;
-
- if (! setvma)
- {
- ecoff_set_vma ();
- setvma = 1;
- }
-
- S_SET_VALUE (sym,
- (S_GET_VALUE (sym)
- + bfd_get_section_vma (stdoutput,
- bfd_get_section (sym->bsym))));
-}
-
/* Swap out the symbols and debugging information for BFD. */
void
@@ -4395,6 +4417,8 @@ ecoff_frob_file ()
efdr_t *fil_ptr;
efdr_t *hold_file_ptr;
proc_t * hold_proc_ptr;
+ bfd_vma addr;
+ asection *sec;
symbolS *sym;
HDRR *hdr;
char *buf;
@@ -4442,6 +4466,14 @@ ecoff_frob_file ()
(symint_t) 0);
}
+ /* Set the section VMA values. */
+ addr = 0;
+ for (sec = stdoutput->sections; sec != (asection *) NULL; sec = sec->next)
+ {
+ bfd_set_section_vma (stdoutput, sec, addr);
+ addr += bfd_section_size (stdoutput, sec);
+ }
+
/* Look through the symbols. Add debugging information for each
symbol that has not already received it. */
hold_file_ptr = cur_file_ptr;
@@ -4450,12 +4482,13 @@ ecoff_frob_file ()
for (sym = symbol_rootP; sym != (symbolS *) NULL; sym = symbol_next (sym))
{
if (sym->ecoff_symbol
- || sym->ecoff_file == (efdr_t *) NULL)
+ || sym->ecoff_file == (efdr_t *) NULL
+ || (sym->bsym->flags & BSF_SECTION_SYM) != 0)
continue;
cur_file_ptr = sym->ecoff_file;
add_ecoff_symbol ((const char *) NULL, st_Nil, sc_Nil, sym,
- S_GET_VALUE (sym), indexNil);
+ bfd_asymbol_value (sym->bsym), indexNil);
}
cur_proc_ptr = hold_proc_ptr;
cur_file_ptr = hold_file_ptr;
@@ -4571,6 +4604,9 @@ ecoff_frob_file ()
hdr->magic = magicSym;
/* FIXME: what should hdr->vstamp be? */
+
+ bfd_set_symtab (stdoutput, bfd_get_outsymbols (stdoutput),
+ hdr->isymMax + hdr->iextMax);
}
/* Allocate a cluster of pages. */
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index 6a5e79f..709b5d5 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -38,7 +38,7 @@
#endif /* NO_VARARGS */
#endif /* NO_STDARG */
-#include "mips-opcode.h"
+#include "opcode/mips.h"
#define AT 1
#define GP 28
@@ -212,7 +212,7 @@ const pseudo_typeS md_pseudo_table[] =
const relax_typeS md_relax_table[] =
{
- 0
+ { 0 }
};
@@ -287,7 +287,9 @@ md_assemble (str)
/* set the default alignment for the text section (2**2) */
/* This should go in md_begin but text_section isn't initialized then */
record_alignment (text_section, 2);
+#ifdef OBJ_ECOFF
bfd_set_gp_size (stdoutput, g_switch_value);
+#endif
init = 1;
}
@@ -389,7 +391,7 @@ append_insn (ip, address_expr, reloc_type)
};
/* One extra nop */
- if (ip->insn_mo->pinfo & INSN_EXTRA_DELAY)
+ if (ip->insn_mo->pinfo & (INSN_READ_HI | INSN_READ_LO))
{
f = frag_more (4);
md_number_to_chars (f, 0, 4);
@@ -508,6 +510,7 @@ macro_build (counter, ep, name, fmt, va_alist)
case 't':
case 'w':
+ case 'E':
insn.insn_opcode |= va_arg (args, int) << 16;
continue;
@@ -518,6 +521,7 @@ macro_build (counter, ep, name, fmt, va_alist)
continue;
case 'd':
+ case 'G':
insn.insn_opcode |= va_arg (args, int) << 11;
continue;
@@ -534,6 +538,10 @@ macro_build (counter, ep, name, fmt, va_alist)
insn.insn_opcode |= va_arg (args, int) << 6;
continue;
+ case 'B':
+ insn.insn_opcode |= va_arg (args, int) << 6;
+ continue;
+
case 'b':
case 's':
case 'r':
@@ -1776,18 +1784,18 @@ macro (ip)
*/
save_reorder_condition = mips_noreorder;
mips_noreorder = 1;
- macro_build (&icnt, NULL, "cfc1", "t,d", treg, 31);
- macro_build (&icnt, NULL, "cfc1", "t,d", treg, 31);
+ macro_build (&icnt, NULL, "cfc1", "t,G", treg, 31);
+ macro_build (&icnt, NULL, "cfc1", "t,G", treg, 31);
macro_build (&icnt, NULL, "nop", "");
expr1.X_add_number = 3;
macro_build (&icnt, &expr1, "ori", "t,r,i", AT, treg);
expr1.X_add_number = 2;
macro_build (&icnt, &expr1, "xori", "t,r,i", AT, AT);
- macro_build (&icnt, NULL, "ctc1", "t,d", AT, 31);
+ macro_build (&icnt, NULL, "ctc1", "t,G", AT, 31);
macro_build (&icnt, NULL, "nop", "");
macro_build (&icnt, NULL,
mask == M_TRUNCWD ? "cvt.w.d" : "cvt.w.s", "D,S", dreg, sreg);
- macro_build (&icnt, NULL, "ctc1", "t,d", treg, 31);
+ macro_build (&icnt, NULL, "ctc1", "t,G", treg, 31);
macro_build (&icnt, NULL, "nop", "");
mips_noreorder = save_reorder_condition;
break;
@@ -2025,6 +2033,16 @@ mips_ip (str, ip)
s = expr_end;
continue;
+ case 'B': /* syscall code */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if ((unsigned) imm_expr.X_add_number > 0xfffff)
+ as_warn ("Illegal syscall code (%d)", imm_expr.X_add_number);
+ ip->insn_opcode |= imm_expr.X_add_number << 6;
+ imm_expr.X_seg = absent_section;
+ s = expr_end;
+ continue;
+
case 'b': /* base register */
case 'd': /* destination register */
case 's': /* source register */
@@ -2032,6 +2050,8 @@ mips_ip (str, ip)
case 'r': /* both target and source */
case 'v': /* both dest and source */
case 'w': /* both dest and target */
+ case 'E': /* coprocessor target register */
+ case 'G': /* coprocessor destination register */
s_reset = s;
if (s[0] == '$')
{
@@ -2094,10 +2114,12 @@ mips_ip (str, ip)
ip->insn_opcode |= regno << 21;
break;
case 'd':
+ case 'G':
ip->insn_opcode |= regno << 11;
break;
case 'w':
case 't':
+ case 'E':
ip->insn_opcode |= regno << 16;
}
lastregno = regno;
@@ -2424,7 +2446,7 @@ md_atof (type, litP, sizeP)
void
md_number_to_chars (buf, val, n)
char *buf;
- long val;
+ valueT val;
int n;
{
switch (byte_order)
@@ -2527,7 +2549,7 @@ md_pcrel_from (fixP)
int
md_apply_fix (fixP, valueP)
fixS *fixP;
- long *valueP;
+ valueT *valueP;
{
unsigned char *buf;
long insn, value;
@@ -2577,7 +2599,7 @@ md_apply_fix (fixP, valueP)
return 0;
}
insn |= value & 0xFFFF;
- md_number_to_chars (buf, insn, 4);
+ md_number_to_chars ((char *) buf, insn, 4);
break;
default:
@@ -2628,10 +2650,12 @@ printInsn (oc)
continue;
case 'd':
+ case 'G':
printf ("$%d", dreg);
continue;
case 't':
+ case 'E':
printf ("$%d", treg);
continue;
@@ -3042,23 +3066,14 @@ tc_gen_reloc (section, fixp)
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
assert (reloc->howto != 0);
-#ifdef OBJ_ECOFF
- /* FIXME: This does the right thing, but it's confusing. There
- should be a more coherent approach, but I don't know what it
- would be. */
- reloc->addend -=
- bfd_get_section_vma (stdoutput,
- bfd_get_section (fixp->fx_addsy->bsym));
-#endif
-
return reloc;
}
/* should never be called */
-long
+valueT
md_section_align (seg, addr)
asection *seg;
- long addr;
+ valueT addr;
{
int align = bfd_get_section_alignment (stdoutput, seg);
diff --git a/gas/config/tc-mips.h b/gas/config/tc-mips.h
index b0fb9f7..c4f7563 100644
--- a/gas/config/tc-mips.h
+++ b/gas/config/tc-mips.h
@@ -24,16 +24,14 @@
#define TARGET_ARCH bfd_arch_mips
-#define NO_LISTING
#define ONLY_STANDARD_ESCAPES
#define BACKSLASH_V
#define WORKING_DOT_WORD 1
#define OLD_FLOAT_READS
+#define REPEAT_CONS_EXPRESSIONS
#define LOCAL_LABELS_FB
-#ifdef OBJ_ECOFF
-#define LOCAL_LABEL(name) ((name)[0] == '$' && (name)[1] == 'L')
-#endif
+#define LOCAL_LABEL(name) ((name)[0] == '$')
#define md_undefined_symbol(name) (0)
#define md_operand(x)
@@ -72,14 +70,6 @@
#endif /* OBJ_ECOFF */
#endif /* ! defined (TARGET_FORMAT) */
-struct mips_opcode {
- const char *name;
- const char *args;
- unsigned long match;
- unsigned long mask; /* used only for error checking */
- unsigned long pinfo; /* Information used for insn/pipeline scheduling. */
-};
-
struct mips_cl_insn {
unsigned long insn_opcode;
const struct mips_opcode *insn_mo;