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2010-02-12 Tristan Gingold <gingold@adacore.com> Douglas B Rupp <rupp@gnat.com> * config/tc-ia64.c (enum reloc_func): Add FUNC_SLOTCOUNT_RELOC. (DUMMY_RELOC_IA64_SLOTCOUNT): Added. (pseudo_func): Add an entry for slotcount. (md_begin): Initialize slotcount pseudo symbol. (ia64_parse_name): Handle @slotcount parameter. (ia64_gen_real_reloc_type): Handle slotcount. (md_apply_fix): Ditto. * doc/c-ia64.texi (IA-64-Relocs): Document @slotcount. gas/testsuite/ 2010-02-12 Tristan Gingold <gingold@adacore.com> * gas/ia64/slotcount.s, gas/ia64/slotcount.s: New test. * gas/ia64/ia64.exp: Add slotcount test (vms only).
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Tristan Gingold
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8e9c5e020f
commit
9d0e849713
@ -1,3 +1,15 @@
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2010-02-12 Tristan Gingold <gingold@adacore.com>
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Douglas B Rupp <rupp@gnat.com>
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* config/tc-ia64.c (enum reloc_func): Add FUNC_SLOTCOUNT_RELOC.
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(DUMMY_RELOC_IA64_SLOTCOUNT): Added.
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(pseudo_func): Add an entry for slotcount.
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(md_begin): Initialize slotcount pseudo symbol.
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(ia64_parse_name): Handle @slotcount parameter.
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(ia64_gen_real_reloc_type): Handle slotcount.
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(md_apply_fix): Ditto.
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* doc/c-ia64.texi (IA-64-Relocs): Document @slotcount.
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2010-02-11 Sterling Augustine <sterling@jaw.hq.tensilica.com>
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* config/tc-xtensa.c (istack_init): Don't call memset.
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@ -103,6 +103,9 @@ enum reloc_func
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FUNC_LT_DTP_RELATIVE,
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FUNC_LT_TP_RELATIVE,
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FUNC_IPLT_RELOC,
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#ifdef TE_VMS
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FUNC_SLOTCOUNT_RELOC,
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#endif
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};
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enum reg_symbol
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@ -163,6 +166,11 @@ struct label_fix
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bfd_boolean dw2_mark_labels;
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};
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#ifdef TE_VMS
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/* An internally used relocation. */
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#define DUMMY_RELOC_IA64_SLOTCOUNT (BFD_RELOC_UNUSED + 1)
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#endif
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/* This is the endianness of the current section. */
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extern int target_big_endian;
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@ -575,6 +583,9 @@ pseudo_func[] =
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{ NULL, 0, { 0 } }, /* placeholder for FUNC_LT_DTP_RELATIVE */
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{ NULL, 0, { 0 } }, /* placeholder for FUNC_LT_TP_RELATIVE */
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{ "iplt", PSEUDO_FUNC_RELOC, { 0 } },
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#ifdef TE_VMS
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{ "slotcount", PSEUDO_FUNC_RELOC, { 0 } },
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#endif
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/* mbtype4 constants: */
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{ "alt", PSEUDO_FUNC_CONST, { 0xa } },
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@ -7158,6 +7169,12 @@ md_begin (void)
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symbol_new (".<iplt>", undefined_section, FUNC_IPLT_RELOC,
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&zero_address_frag);
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#ifdef TE_VMS
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pseudo_func[FUNC_SLOTCOUNT_RELOC].u.sym =
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symbol_new (".<slotcount>", undefined_section, FUNC_SLOTCOUNT_RELOC,
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&zero_address_frag);
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#endif
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if (md.tune != itanium1)
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{
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/* Convert MFI NOPs bundles into MMI NOPs bundles. */
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@ -7744,6 +7761,15 @@ ia64_parse_name (char *name, expressionS *e, char *nextcharP)
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}
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/* Skip ')'. */
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++input_line_pointer;
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#ifdef TE_VMS
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if (idx == FUNC_SLOTCOUNT_RELOC)
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{
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/* @slotcount can accept any expression. Canonicalize. */
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e->X_add_symbol = make_expr_symbol (e);
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e->X_op = O_symbol;
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e->X_add_number = 0;
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}
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#endif
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if (e->X_op != O_symbol)
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{
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if (e->X_op != O_pseudo_fixup)
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@ -11109,6 +11135,11 @@ ia64_gen_real_reloc_type (struct symbol *sym, bfd_reloc_code_real_type r_type)
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}
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break;
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#ifdef TE_VMS
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case FUNC_SLOTCOUNT_RELOC:
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return DUMMY_RELOC_IA64_SLOTCOUNT;
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#endif
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default:
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abort ();
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}
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@ -11278,12 +11309,48 @@ md_apply_fix (fixS *fix, valueT *valP, segT seg ATTRIBUTE_UNUSED)
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S_SET_THREAD_LOCAL (fix->fx_addsy);
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break;
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#ifdef TE_VMS
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case DUMMY_RELOC_IA64_SLOTCOUNT:
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as_bad_where (fix->fx_file, fix->fx_line,
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_("cannot resolve @slotcount parameter"));
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fix->fx_done = 1;
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return;
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#endif
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default:
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break;
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}
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}
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else if (fix->tc_fix_data.opnd == IA64_OPND_NIL)
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{
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#ifdef TE_VMS
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if (fix->fx_r_type == DUMMY_RELOC_IA64_SLOTCOUNT)
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{
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/* For @slotcount, convert an addresses difference to a slots
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difference. */
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valueT v;
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v = (value >> 4) * 3;
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switch (value & 0x0f)
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{
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case 0:
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case 1:
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case 2:
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v += value & 0x0f;
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break;
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case 0x0f:
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v += 2;
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break;
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case 0x0e:
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v += 1;
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break;
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default:
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as_bad (_("invalid @slotcount value"));
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}
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value = v;
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}
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#endif
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if (fix->tc_fix_data.bigendian)
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number_to_chars_bigendian (fixpos, value, fix->fx_size);
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else
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@ -120,7 +120,7 @@ Reference Guide.
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* IA-64-Chars:: Special Characters
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* IA-64-Regs:: Register Names
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* IA-64-Bits:: Bit Names
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@c * IA-64-Relocs:: Relocations // to be written
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* IA-64-Relocs:: Relocations
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@end menu
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@node IA-64-Chars
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@ -170,6 +170,21 @@ the @samp{ssm}/@samp{sum} and @samp{rsm}/@samp{rum}
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instructions, but they can be used anywhere else where an integer
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constant is expected.
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@node IA-64-Relocs
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@subsection Relocations
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@cindex IA-64 relocations
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In addition to the standard IA-64 relocations, the following relocations are
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implemented by @code{@value{AS}}:
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@table @code
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@item @@slotcount(@var{V})
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Convert the address offset @var{V} into a slot count. This pseudo
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function is available only on VMS. The expression @var{V} must be
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known at assembly time: it can't reference undefined symbols or symbols in
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different sections.
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@end table
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@node IA-64 Opcodes
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@section Opcodes
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For detailed information on the IA-64 machine instruction set, see the
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@ -1,3 +1,8 @@
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2010-02-12 Tristan Gingold <gingold@adacore.com>
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* gas/ia64/slotcount.s, gas/ia64/slotcount.s: New test.
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* gas/ia64/ia64.exp: Add slotcount test (vms only).
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2010-02-10 Quentin Neill <quentin.neill@amd.com>
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Sebastian Pop <sebastian.pop@amd.com>
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@ -89,4 +89,9 @@ if [istarget "ia64-*"] then {
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run_dump_test "operand-or"
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run_list_test "hint.b-err" ""
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run_list_test "hint.b-warn" "-mhint.b=warning"
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if [istarget "ia64-*-*vms*"] then {
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run_dump_test "slotcount"
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}
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}
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10
gas/testsuite/gas/ia64/slotcount.d
Normal file
10
gas/testsuite/gas/ia64/slotcount.d
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@ -0,0 +1,10 @@
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#objdump: -s -j .slot_test
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#name: ia64 slotcount
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.*: +file format .*
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Contents of section .slot_test:
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0000 04000000 01000000 02000000 03000000 ................
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0010 04000000 05000000 06000000 07000000 ................
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0020 08000000 02000000 06000000 03000000 ................
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0030 02000000 ....
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51
gas/testsuite/gas/ia64/slotcount.s
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51
gas/testsuite/gas/ia64/slotcount.s
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@ -0,0 +1,51 @@
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.section .slot_test0,"",@progbits
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data4.ua @slotcount(.L1-.L0)
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.text
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.align 16
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foo:
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[.L0:]
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mov r2 = r12
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[.L1:]
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mov r8 = r14
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[.L2:]
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;;
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mov r12 = r2
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[.L3:]
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{
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.mii
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nop 0
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[.L4:]
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nop 0
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[.L5:]
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nop 0
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}
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{
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[.L6:]
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nop 0
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[.L7:]
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nop 0
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[.L8:]
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br.ret.sptk.many b0
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;;
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}
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.section .slot_test,"",@progbits
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// data4.ua @slotcount(.Lundef)
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data4.ua @slotcount(17)
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data4.ua @slotcount(.L1-.L0) // 1
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data4.ua @slotcount(.L2-.L0) // 2
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data4.ua @slotcount(.L3-.L0) // 3
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data4.ua @slotcount(.L4-.L0) // 4
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data4.ua @slotcount(.L5-.L0) // 5
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data4.ua @slotcount(.L6-.L0) // 6
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data4.ua @slotcount(.L7-.L0) // 7
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data4.ua @slotcount(.L8-.L0) // 8
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data4.ua @slotcount(.L3-.L1) // 2
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data4.ua @slotcount(.L8-.L2) // 6
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data4.ua @slotcount(.L4-.L1) // 3
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data4.ua @slotcount(.L4-.L2) // 2
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// data4.ua @slotcount(.L2-.Lundef)
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