From 9153e64334091324175eaf23b791af4475b633ae Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Tue, 9 Sep 1997 23:12:59 +0000 Subject: [PATCH] Add new holio() reloc prefix. --- gas/ChangeLog | 6 +++ gas/config/tc-v850.c | 87 +++++++++++++++++++++++++++++++++----------- 2 files changed, 71 insertions(+), 22 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index 0f6718f6d1..22c5f23c5b 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,11 @@ Tue Sep 9 10:19:37 1997 Nick Clifton +start-sanitize-v850e + * doc/c-v850.texi (V850 Opcodes): Document new reloc prefix. + * config/tc-v850.c (v850_reloc_prefix): Add hilo() reloc prefix. + * config/tc-v850.c (md_assemble): Add support for BFD_RELOC_32. +end-sanitize-v850e + * doc/c-v850.texi: Document new pseudo ops and command line options. diff --git a/gas/config/tc-v850.c b/gas/config/tc-v850.c index 41d9949d63..294650a20b 100644 --- a/gas/config/tc-v850.c +++ b/gas/config/tc-v850.c @@ -330,7 +330,7 @@ static const struct reg_name cc_names[] = { "v", 0x0 }, { "z", 0x2 }, }; -#define CC_NAME_CNT (sizeof(cc_names) / sizeof(struct reg_name)) +#define CC_NAME_CNT (sizeof (cc_names) / sizeof (struct reg_name)) /* reg_name_search does a binary search of the given register table to see if "name" is a valid regiter name. Returns the register @@ -991,7 +991,7 @@ md_begin () /* 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. */ + matching the hard coded values contained herein. */ static bfd_reloc_code_real_type v850_reloc_prefix (const struct v850_operand * operand) @@ -1021,6 +1021,13 @@ v850_reloc_prefix (const struct v850_operand * operand) input_line_pointer += 2; return BFD_RELOC_LO16; } +/* start-sanitize-v850e */ + if (strncmp (input_line_pointer, "hilo(", 5) == 0) + { + input_line_pointer += 4; + return BFD_RELOC_32; + } +/* end-sanitize-v850e */ if (strncmp (input_line_pointer, "sdaoff(", 7) == 0) { @@ -1199,7 +1206,22 @@ md_assemble (str) ex.X_add_number = SEXT16 (temp); break; } - + +/* start-sanitize-v850e */ + case BFD_RELOC_32: + if ((operand->flags & V850E_IMMEDIATE32) == 0) + { + errmsg = "use bigger instruction"; + goto error; + } + + extra_data_after_insn = true; + extra_data_len = 4; + extra_data = ex.X_add_number; + ex.X_add_number = 0; + break; +/* end-sanitize-v850e */ + default: as_bad ( "AAARG -> unhandled constant reloc"); break; @@ -1210,6 +1232,20 @@ md_assemble (str) } else { + if (reloc == BFD_RELOC_32) + { + if ((operand->flags & V850E_IMMEDIATE32) == 0) + { + errmsg = "use bigger instruction"; + goto error; + } + + extra_data_after_insn = true; + extra_data_len = 4; + extra_data = ex.X_add_number; + ex.X_add_number = 0; + } + if (fc > MAX_INSN_FIXUPS) as_fatal ("too many fixups"); @@ -1272,7 +1308,7 @@ md_assemble (str) errmsg = "invalid condition code name"; } } - /* start-sanitize-v850e */ +/* start-sanitize-v850e */ else if (operand->flags & V850E_PUSH_POP) { errmsg = parse_register_list (& insn, operand); @@ -1281,8 +1317,6 @@ md_assemble (str) ex.X_op = O_constant; ex.X_add_number = 0; } - /* end-sanitize-v850e */ - /* start-sanitize-v850e */ else if (operand->flags & V850E_IMMEDIATE16) { expression (& ex); @@ -1304,8 +1338,6 @@ md_assemble (str) extra_data = ex.X_add_number; ex.X_add_number = 0; } - /* end-sanitize-v850e */ - /* start-sanitize-v850e */ else if (operand->flags & V850E_IMMEDIATE32) { expression (& ex); @@ -1318,7 +1350,7 @@ md_assemble (str) extra_data = ex.X_add_number; ex.X_add_number = 0; } - /* end-sanitize-v850e */ +/* end-sanitize-v850e */ else if (register_name (&ex) && (operand->flags & V850_OPERAND_REG) == 0) { @@ -1460,9 +1492,9 @@ md_assemble (str) if (extra_data_after_insn) { - char * g = frag_more (extra_data_len); + f = frag_more (extra_data_len); - md_number_to_chars (g, extra_data, extra_data_len); + md_number_to_chars (f, extra_data, extra_data_len); extra_data_after_insn = false; } @@ -1477,12 +1509,15 @@ md_assemble (str) for (i = 0; i < fc; i++) { const struct v850_operand * operand; - + bfd_reloc_code_real_type reloc; + operand = & v850_operands[ fixups[i].opindex ]; + + reloc = fixups[i].reloc; - if (fixups[i].reloc != BFD_RELOC_UNUSED) + if (reloc != BFD_RELOC_UNUSED) { - reloc_howto_type * reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); + reloc_howto_type * reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); int size; int address; fixS * fixP; @@ -1496,13 +1531,18 @@ md_assemble (str) abort(); address = (f - frag_now->fr_literal) + insn_size - size; - + + if (reloc == BFD_RELOC_32) + { + address += 2; + } + fixP = fix_new_exp (frag_now, address, size, & fixups[i].exp, reloc_howto->pc_relative, - fixups[i].reloc); + reloc); - switch (fixups[i].reloc) + switch (reloc) { case BFD_RELOC_LO16: case BFD_RELOC_HI16: @@ -1541,11 +1581,14 @@ tc_gen_reloc (seg, fixp) 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); + + xfree (reloc); + return NULL; } @@ -1564,7 +1607,6 @@ md_estimate_size_before_relax (fragp, seg) return 2; } - long md_pcrel_from (fixp) fixS * fixp; @@ -1615,7 +1657,6 @@ md_apply_fix3 (fixp, valuep, seg) { int opindex; const struct v850_operand * operand; - char * where; unsigned long insn; opindex = (int) fixp->fx_r_type - (int) BFD_RELOC_UNUSED; @@ -1648,6 +1689,8 @@ md_apply_fix3 (fixp, valuep, seg) fixp->fx_r_type = BFD_RELOC_V850_9_PCREL; else { + /* fprintf (stderr, "bits: %d, insn: %x\n", operand->bits, insn); */ + as_bad_where(fixp->fx_file, fixp->fx_line, "unresolved expression that must be resolved"); fixp->fx_done = 1; @@ -1660,9 +1703,9 @@ md_apply_fix3 (fixp, valuep, seg) where = fixp->fx_frag->fr_literal + fixp->fx_where; if (fixp->fx_size == 1) *where = value & 0xff; - if (fixp->fx_size == 2) + else if (fixp->fx_size == 2) bfd_putl16 (value & 0xffff, (unsigned char *) where); - if (fixp->fx_size == 4) + else if (fixp->fx_size == 4) bfd_putl32 (value, (unsigned char *) where); } -- 2.34.1