X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fcgen.c;h=67b9b16186e288d50efc724afeb8263ce7026771;hb=411863a44d47767443870273ecd7d6f51c84fcac;hp=d334e663756ac79fdf228d33889d1738650ec7d3;hpb=232431a0610f083088404423488b392a79e120c5;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/cgen.c b/gas/cgen.c index d334e66375..67b9b16186 100644 --- a/gas/cgen.c +++ b/gas/cgen.c @@ -29,6 +29,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "cgen.h" #include "dwarf2dbg.h" +static void queue_fixup PARAMS ((int, int, expressionS *)); + /* Opcode table descriptor, must be set by md_begin. */ CGEN_CPU_DESC gas_cgen_cpu_desc; @@ -103,8 +105,8 @@ queue_fixup (opindex, opinfo, expP) to keep track of how many fixup chains have been stored and which elements of the array they are in. - The algorithms used are the same as in the old scheme. Other than the - "array-ness" of the whole thing, the functionality is identical to the + The algorithms used are the same as in the old scheme. Other than the + "array-ness" of the whole thing, the functionality is identical to the old scheme. gas_cgen_initialize_saved_fixups_array(): @@ -171,7 +173,7 @@ gas_cgen_restore_fixups (i) } num_fixups = stored_fixups[i].num_fixups_in_chain; - memcpy (fixups,stored_fixups[i].fixup_chain, + memcpy (fixups, stored_fixups[i].fixup_chain, (sizeof (stored_fixups[i].fixup_chain[0])) * num_fixups); stored_fixups[i].num_fixups_in_chain = 0; } @@ -221,7 +223,7 @@ gas_cgen_swap_fixups (i) At this point we do not use a bfd_reloc_code_real_type for operands residing in the insn, but instead just use the operand index. This lets us easily handle fixups for any - operand type. We pick a BFD reloc type in md_apply_fix. */ + operand type. We pick a BFD reloc type in md_apply_fix3. */ fixS * gas_cgen_record_fixup (frag, where, insn, length, operand, opinfo, symbol, offset) @@ -261,7 +263,7 @@ gas_cgen_record_fixup (frag, where, insn, length, operand, opinfo, symbol, offse At this point we do not use a bfd_reloc_code_real_type for operands residing in the insn, but instead just use the operand index. This lets us easily handle fixups for any - operand type. We pick a BFD reloc type in md_apply_fix. */ + operand type. We pick a BFD reloc type in md_apply_fix3. */ fixS * gas_cgen_record_fixup_exp (frag, where, insn, length, operand, opinfo, exp) @@ -322,7 +324,7 @@ gas_cgen_parse_operand (cd, want, strP, opindex, opinfo, resultP, valueP) static char *hold; static enum cgen_parse_operand_result *resultP_1; #endif - const char *errmsg = NULL; + const char *errmsg; expressionS exp; if (want == CGEN_PARSE_OPERAND_INIT) @@ -348,6 +350,7 @@ gas_cgen_parse_operand (cd, want, strP, opindex, opinfo, resultP, valueP) expr_jmp_buf_p = 1; expression (&exp); expr_jmp_buf_p = 0; + errmsg = NULL; *strP = input_line_pointer; input_line_pointer = hold; @@ -566,14 +569,14 @@ gas_cgen_finish_insn (insn, buf, length, relax_p, result) handles the rest. bfd_install_relocation (or some other bfd function) should handle them all. */ -int -gas_cgen_md_apply_fix3 (fixP, valueP, seg) +void +gas_cgen_md_apply_fix3 (fixP, valP, seg) fixS * fixP; - valueT * valueP; + valueT * valP; segT seg ATTRIBUTE_UNUSED; { char *where = fixP->fx_frag->fr_literal + fixP->fx_where; - valueT value; + valueT value = * valP; /* Canonical name, since used a lot. */ CGEN_CPU_DESC cd = gas_cgen_cpu_desc; @@ -589,15 +592,15 @@ gas_cgen_md_apply_fix3 (fixP, valueP, seg) result of md_pcrel_from. This is confusing. */ if (fixP->fx_addsy == (symbolS *) NULL) - { - value = *valueP; - fixP->fx_done = 1; - } + fixP->fx_done = 1; + else if (fixP->fx_pcrel) - value = *valueP; + ; + else { value = fixP->fx_offset; + if (fixP->fx_subsy != (symbolS *) NULL) { if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section) @@ -651,7 +654,7 @@ gas_cgen_md_apply_fix3 (fixP, valueP, seg) } if (fixP->fx_done) - return 1; + return; /* The operand isn't fully resolved. Determine a BFD reloc value based on the operand information and leave it to @@ -659,16 +662,15 @@ gas_cgen_md_apply_fix3 (fixP, valueP, seg) partial_inplace == false. */ reloc_type = md_cgen_lookup_reloc (insn, operand, fixP); + if (reloc_type != BFD_RELOC_NONE) - { - fixP->fx_r_type = reloc_type; - } + fixP->fx_r_type = reloc_type; else { as_bad_where (fixP->fx_file, fixP->fx_line, _("unresolved expression that must be resolved")); fixP->fx_done = 1; - return 1; + return; } } else if (fixP->fx_done) @@ -703,8 +705,6 @@ gas_cgen_md_apply_fix3 (fixP, valueP, seg) See the comment describing fx_addnumber in write.h. This field is misnamed (or misused :-). */ fixP->fx_addnumber = value; - - return 1; } /* Translate internal representation of relocation info to BFD target format.