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https://gitlab.com/freepascal.org/fpc/source.git
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+ implemented most necessary methods
This commit is contained in:
Jonas Maebe
parent
f4180329fc
commit
56ddb9a0af
@ -32,592 +32,222 @@ unit agas;
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;
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type
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palphaattasmlist=^talphaattasmlist;
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talphaattasmlist=object(tasmlist)
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procedure WriteTree(p:paasmoutput);virtual;
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procedure WriteAsmList;virtual;
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{$ifdef GDB}
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procedure WriteFileLineInfo(var fileinfo : tfileposinfo);
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{$endif}
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paicpuattasmlist=^taicpuattasmlist;
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taicpuattasmlist=object(tasmlist)
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function getreferencestring(var ref : treference) : string; Virtual;
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function getopstr_jmp(const o:toper) : string; Virtual;
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procedure WriteInstruction (P : Pai); virtual;
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procedure cond2str(op: tasnop; c: tasmcond): string;
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{ to construct the output for conditional branches }
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function branchmode(o: tasmop): string[4];
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end;
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implementation
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const
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op2str : array[tasmop] of string[14] = ('<none>',
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'add','add_','addo','addo_','addc','addc_','addco','addco_,
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'adde','adde_','addeo','addeo_','addi','addic','addic_','addis,
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'addme','addme_','addmeo','addmeo_','addze','addze_','addzeo,
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'addzeo_','and','and_','andc','andc_','andi_','andis_','b,
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att_op2str : array[tasmop] of string[14] = ('<none>',
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'add','add.','addo','addo.','addc','addc.','addco','addco.,
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'adde','adde.','addeo','addeo.','addi','addic','addic.','addis,
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'addme','addme.','addmeo','addmeo.','addze','addze.','addzeo,
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'addzeo.','and','and.','andc','andc.','andi.','andis.','b,
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'ba','bl','bla','bc','bca','bcl','bcla','bcctr','bcctrl','bclr,
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'bclrl','cmp','cmpi','cmpl','cmpli','cntlzw','cntlzw_','crand,
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'bclrl','cmp','cmpi','cmpl','cmpli','cntlzw','cntlzw.','crand,
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'crandc','creqv','crnand','crnor','cror','crorc','crxor','dcba,
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'dcbf','dcbi','dcbst','dcbt','divw','divw_','divwo','divwo_,
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'divwu','divwu_','divwuo','divwuo_','eciwx','ecowx','eieio','eqv,
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'eqv_','extsb','extsb_','extsh','extsh_','fabs','fabs_','fadd,
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'fadd_','fadds','fadds_','fcompo','fcmpu','fctiw','fctw_','fctwz,
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'fctwz_','fdiv','fdiv_','fdivs','fdivs_','fmadd','fmadd_','fmadds,
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'fmadds_','fmr','fmsub','fmsub_','fmsubs','fmsubs_','fmul','fmul_,
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'fmuls','fmuls_','fnabs','fnabs_','fneg','fneg_','fnmadd,
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'fnmadd_','fnmadds','fnmadds_','fnmsub','fnmsub_','fnmsubs,
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'fnmsubs_','fres','fres_','frsp','frsp_','frsqrte','frsqrte_,
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'fsel','fsel_','fsqrt','fsqrt_','fsqrts','fsqrts_','fsub','fsub_,
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'fsubs','fsubs_','icbi','isync','lbz','lbzu','lbzux','lbzx,
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'dcbf','dcbi','dcbst','dcbt','divw','divw.','divwo','divwo.,
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'divwu','divwu.','divwuo','divwuo.','eciwx','ecowx','eieio','eqv,
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'eqv.','extsb','extsb.','extsh','extsh.','fabs','fabs.','fadd,
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'fadd.','fadds','fadds.','fcompo','fcmpu','fctiw','fctw.','fctwz,
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'fctwz.','fdiv','fdiv.','fdivs','fdivs.','fmadd','fmadd.','fmadds,
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'fmadds.','fmr','fmsub','fmsub.','fmsubs','fmsubs.','fmul','fmul.,
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'fmuls','fmuls.','fnabs','fnabs.','fneg','fneg.','fnmadd,
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'fnmadd.','fnmadds','fnmadds.','fnmsub','fnmsub.','fnmsubs,
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'fnmsubs.','fres','fres.','frsp','frsp.','frsqrte','frsqrte.,
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'fsel','fsel.','fsqrt','fsqrt.','fsqrts','fsqrts.','fsub','fsub.,
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'fsubs','fsubs.','icbi','isync','lbz','lbzu','lbzux','lbzx,
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'lfd','lfdu','lfdux','lfdx','lfs','lfsu','lfsux','lfsx','lha,
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'lhau','lhaux','lhax','hbrx','lhz','lhzu','lhzux','lhzx','lmw,
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'lswi','lswx','lwarx','lwbrx','lwz','lwzu','lwzux','lwzx','mcrf,
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'mcrfs','lcrxe','mfcr','mffs','maffs_','mfmsr','mfspr','mfsr,
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'mfsrin','mftb','mtfcrf','mtfd0','mtfsb1','mtfsf','mtfsf_,
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'mtfsfi','mtfsfi_','mtmsr','mtspr','mtsr','mtsrin','mulhw,
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'mulhw_','mulhwu','mulhwu_','mulli','mullh','mullw_','mullwo,
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'mullwo_','nand','nand_','neg','neg_','nego','nego_','nor','nor_,
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'or','or_','orc','orc_','ori','oris', 'rfi', 'rlwimi', 'rlwimi_',
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'rlwinm', 'tlwinm_','rlwnm','sc','slw', 'slw_', 'sraw', 'sraw_,
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'srawi', 'srawi_','srw', 'srw_', 'stb', 'stbu', 'stbux','stbx','stfd',
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'mcrfs','lcrxe','mfcr','mffs','maffs.','mfmsr','mfspr','mfsr,
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'mfsrin','mftb','mtfcrf','mtfd0','mtfsb1','mtfsf','mtfsf.,
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'mtfsfi','mtfsfi.','mtmsr','mtspr','mtsr','mtsrin','mulhw,
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'mulhw.','mulhwu','mulhwu.','mulli','mullh','mullw.','mullwo,
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'mullwo.','nand','nand.','neg','neg.','nego','nego.','nor','nor.,
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'or','or.','orc','orc.','ori','oris', 'rfi', 'rlwimi', 'rlwimi.',
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'rlwinm', 'tlwinm.','rlwnm','sc','slw', 'slw.', 'sraw', 'sraw.,
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'srawi', 'srawi.','srw', 'srw.', 'stb', 'stbu', 'stbux','stbx','stfd',
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'stfdu', 'stfdux', 'stfdx', 'stfiwx', 'stfs', 'stfsu', 'stfsux', 'stfsx',
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'sth', 'sthbrx', 'sthu', 'sthux', 'sthx', 'stmw', 'stswi', 'stswx', 'stw',
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'stwbrx', 'stwx_', 'stwu', 'stwux', 'stwx', 'subf', 'subf_', 'subfo',
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'subfo_', 'subfc', 'subc_', 'subfco', 'subfco_', 'subfe', 'subfe_',
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'subfeo', 'subfeo_', 'subfic', 'subfme', 'subfme_', 'subfmeo', 'subfmeo_,
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'subfze', 'subfze_', 'subfzeo', 'subfzeo_', 'sync', 'tlbia', 'tlbie,
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'tlbsync', 'tw', 'twi', 'xor', 'xor_', 'xori', 'xoris',
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'stwbrx', 'stwx.', 'stwu', 'stwux', 'stwx', 'subf', 'subf.', 'subfo',
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'subfo.', 'subfc', 'subc.', 'subfco', 'subfco.', 'subfe', 'subfe.',
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'subfeo', 'subfeo.', 'subfic', 'subfme', 'subfme.', 'subfmeo', 'subfmeo.,
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'subfze', 'subfze.', 'subfzeo', 'subfzeo.', 'sync', 'tlbia', 'tlbie,
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'tlbsync', 'tw', 'twi', 'xor', 'xor.', 'xori', 'xoris',
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{ some simplified mnemonics }
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'subi', 'subis', 'subic', 'subic_', 'sub', 'sub_', 'subo', 'subo_',
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'subc', 'subc_', 'subco', '_subco_', 'cmpwi', 'cmpw', 'cmplwi', 'cmplw',
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'extlwi', 'extlwi_', 'extrwi', 'extrwi_', 'inslwi', 'inslwi_', 'insrwi',
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'insrwi_', 'rotlwi', 'rotlwi_', 'rotlw', 'rotlw_', 'slwi', 'slwi_',
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'srwi', 'srwi_', 'clrlwi', 'clrlwi_', 'clrrwi', 'clrrwi_', 'clrslwi',
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'clrslwi_', 'blr', 'bctr', 'blrl', 'bctrl', 'crset', 'crclr', 'crmove',
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'subi', 'subis', 'subic', 'subic.', 'sub', 'sub.', 'subo', 'subo.',
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'subc', 'subc.', 'subco', '.subco.', 'cmpwi', 'cmpw', 'cmplwi', 'cmplw',
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'extlwi', 'extlwi.', 'extrwi', 'extrwi.', 'inslwi', 'inslwi.', 'insrwi',
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'insrwi.', 'rotlwi', 'rotlwi.', 'rotlw', 'rotlw.', 'slwi', 'slwi.',
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'srwi', 'srwi.', 'clrlwi', 'clrlwi.', 'clrrwi', 'clrrwi.', 'clrslwi',
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'clrslwi.', 'blr', 'bctr', 'blrl', 'bctrl', 'crset', 'crclr', 'crmove',
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'crnot', 'mt', 'mf','nop', 'li', 'la', 'mr','not', 'mtcr');
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{$ifdef GDB}
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procedure talphaattasmlist.WriteFileLineInfo(var fileinfo : tfileposinfo);
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var
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curr_n : byte;
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begin
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if not (cs_debuginfo in aktmoduleswitches) then
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exit;
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{ file changed ? (must be before line info) }
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if (fileinfo.fileindex<>0) and
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(stabslastfileinfo.fileindex<>fileinfo.fileindex) then
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begin
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infile:=current_module^.sourcefiles^.get_file(fileinfo.fileindex);
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if includecount=0 then
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curr_n:=n_sourcefile
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else
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curr_n:=n_includefile;
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if (infile^.path^<>'') then
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begin
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AsmWriteLn(#9'.stabs "'+lower(BsToSlash(FixPath(infile^.path^,false)))+'",'+
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tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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end;
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AsmWriteLn(#9'.stabs "'+lower(FixFileName(infile^.name^))+'",'+
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tostr(curr_n)+',0,0,'+'Ltext'+ToStr(IncludeCount));
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AsmWriteLn('Ltext'+ToStr(IncludeCount)+':');
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inc(includecount);
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end;
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{ line changed ? }
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if (stabslastfileinfo.line<>fileinfo.line) and (fileinfo.line<>0) then
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begin
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if (n_line=n_textline) and assigned(funcname) and
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(target_os.use_function_relative_addresses) then
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begin
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AsmWriteLn(target_asm.labelprefix+'l'+tostr(linecount)+':');
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AsmWrite(#9'.stabn '+tostr(n_line)+',0,'+tostr(fileinfo.line)+','+
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target_asm.labelprefix+'l'+tostr(linecount)+' - ');
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AsmWritePChar(FuncName);
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AsmLn;
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inc(linecount);
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end
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else
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AsmWriteLn(#9'.stabd'#9+tostr(n_line)+',0,'+tostr(fileinfo.line));
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end;
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stabslastfileinfo:=fileinfo;
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end;
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{$endif GDB}
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procedure talphaattasmlist.WriteTree(p:paasmoutput);
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const
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allocstr : array[boolean] of string[10]=(' released',' allocated');
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type
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t64bitarray = array[0..7] of byte;
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t32bitarray = array[0..3] of byte;
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function taicpuattasmlist.getreferencestring(var ref : treference) : string;
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var
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ch : char;
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hp : pai;
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consttyp : tait;
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s : string;
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found : boolean;
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i,pos,l : longint;
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co : comp;
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sin : single;
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d : double;
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e : extended;
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op : tasmop;
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calljmp,
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do_line : boolean;
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sep : char;
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s : string;
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begin
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if not assigned(p) then
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exit;
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do_line:=(cs_debuginfo in aktmoduleswitches) or (cs_asm_source in aktglobalswitches);
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hp:=pai(p^.first);
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while assigned(hp) do
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if ref.is_immediate then
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begin
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aktfilepos:=hp^.fileinfo;
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if do_line then
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begin
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{ I think it is better to write stabs before source line PM }
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{$ifdef GDB}
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{ write stabs }
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if cs_debuginfo in aktmoduleswitches then
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begin
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if not (hp^.typ in [
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ait_label,
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ait_regalloc,ait_tempalloc,
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ait_stabn,ait_stabs,ait_section,
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ait_cut,ait_marker,ait_align,ait_stab_function_name]) then
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begin
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WriteFileLineInfo(hp^.fileinfo);
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end;
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end;
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{$endif GDB}
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{ load infile }
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if lastfileinfo.fileindex<>hp^.fileinfo.fileindex then
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begin
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infile:=current_module^.sourcefiles^.get_file(hp^.fileinfo.fileindex);
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{ open only if needed !! }
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if (cs_asm_source in aktglobalswitches) then
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infile^.open;
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{ avoid unnecessary reopens of the same file !! }
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lastfileinfo.fileindex:=hp^.fileinfo.fileindex;
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{ be sure to change line !! }
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lastfileinfo.line:=-1;
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end;
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{ write source }
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if (cs_asm_source in aktglobalswitches) and
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not (hp^.typ in [
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ait_label,
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ait_stabn,ait_stabs,ait_section,
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ait_cut,ait_align,ait_stab_function_name]) then
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begin
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if (infile<>lastinfile) and assigned(lastinfile) then
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begin
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AsmWriteLn(target_asm.comment+'['+infile^.name^+']');
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lastinfile^.close;
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end;
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if (hp^.fileinfo.line<>lastfileinfo.line) and
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(hp^.fileinfo.line<infile^.maxlinebuf) then
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begin
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if (hp^.fileinfo.line<>0) and
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(infile^.linebuf^[hp^.fileinfo.line]>=0) then
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AsmWriteLn(target_asm.comment+'['+tostr(hp^.fileinfo.line)+'] '+
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fixline(infile^.GetLineStr(hp^.fileinfo.line)));
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{ set it to a negative value !
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to make that is has been read already !! PM }
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infile^.linebuf^[hp^.fileinfo.line]:=-infile^.linebuf^[hp^.fileinfo.line]-1;
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end;
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lastfileinfo:=hp^.fileinfo;
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lastinfile:=infile;
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end;
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end;
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case hp^.typ of
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ait_comment :
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Begin
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AsmWrite(target_asm.comment);
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AsmWritePChar(pai_asm_comment(hp)^.str);
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AsmLn;
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End;
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ait_regalloc :
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begin
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if (cs_asm_regalloc in aktglobalswitches) then
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AsmWriteLn(target_asm.comment+'Register '+att_reg2str[pairegalloc(hp)^.reg]+
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allocstr[pairegalloc(hp)^.allocation]);
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end;
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ait_tempalloc :
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begin
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if (cs_asm_tempalloc in aktglobalswitches) then
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AsmWriteLn(target_asm.comment+'Temp '+tostr(paitempalloc(hp)^.temppos)+','+
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tostr(paitempalloc(hp)^.tempsize)+allocstr[paitempalloc(hp)^.allocation]);
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end;
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ait_align :
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begin
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AsmWrite(#9'.balign '+tostr(pai_align(hp)^.aligntype));
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if pai_align(hp)^.use_op then
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AsmWrite(','+tostr(pai_align(hp)^.fillop));
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AsmLn;
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end;
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ait_section :
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begin
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if pai_section(hp)^.sec<>sec_none then
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begin
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AsmLn;
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AsmWriteLn(ait_section2str(pai_section(hp)^.sec));
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{$ifdef GDB}
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lastfileinfo.line:=-1;
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{$endif GDB}
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end;
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end;
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ait_datablock :
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begin
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if pai_datablock(hp)^.is_global then
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AsmWrite(#9'.comm'#9)
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else
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AsmWrite(#9'.lcomm'#9);
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AsmWrite(pai_datablock(hp)^.sym^.name);
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AsmWriteLn(','+tostr(pai_datablock(hp)^.size));
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end;
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ait_const_32bit,
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ait_const_16bit,
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ait_const_8bit :
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begin
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AsmWrite(ait_const2str[hp^.typ]+tostr(pai_const(hp)^.value));
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consttyp:=hp^.typ;
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l:=0;
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repeat
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found:=(not (Pai(hp^.next)=nil)) and (Pai(hp^.next)^.typ=consttyp);
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if found then
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begin
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hp:=Pai(hp^.next);
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s:=','+tostr(pai_const(hp)^.value);
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AsmWrite(s);
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inc(l,length(s));
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end;
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until (not found) or (l>line_length);
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AsmLn;
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end;
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ait_const_symbol :
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begin
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AsmWrite(#9'.long'#9+pai_const_symbol(hp)^.sym^.name);
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if pai_const_symbol(hp)^.offset>0 then
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AsmWrite('+'+tostr(pai_const_symbol(hp)^.offset))
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else if pai_const_symbol(hp)^.offset<0 then
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AsmWrite(tostr(pai_const_symbol(hp)^.offset));
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AsmLn;
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end;
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ait_const_rva :
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AsmWriteLn(#9'.rva'#9+pai_const_symbol(hp)^.sym^.name);
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ait_real_64bit :
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begin
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if do_line then
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AsmWriteLn(target_asm.comment+double2str(pai_real_64bit(hp)^.value));
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d:=pai_real_64bit(hp)^.value;
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AsmWrite(#9'.byte'#9);
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for i:=0 to 7 do
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begin
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if i<>0 then
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AsmWrite(',');
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AsmWrite(tostr(t64bitarray(d)[i]));
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end;
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AsmLn;
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end;
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ait_real_32bit :
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begin
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if do_line then
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AsmWriteLn(target_asm.comment+single2str(pai_real_32bit(hp)^.value));
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sin:=pai_real_32bit(hp)^.value;
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AsmWrite(#9'.byte'#9);
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for i:=0 to 3 do
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begin
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if i<>0 then
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AsmWrite(',');
|
||||
AsmWrite(tostr(t32bitarray(sin)[i]));
|
||||
end;
|
||||
AsmLn;
|
||||
end;
|
||||
|
||||
ait_comp_64bit :
|
||||
begin
|
||||
if do_line then
|
||||
AsmWriteLn(target_asm.comment+comp2str(pai_comp_64bit(hp)^.value));
|
||||
AsmWrite(#9'.byte'#9);
|
||||
{$ifdef FPC}
|
||||
co:=comp(pai_comp_64bit(hp)^.value);
|
||||
{$else}
|
||||
co:=pai_comp_64bit(hp)^.value;
|
||||
{$endif}
|
||||
for i:=0 to 7 do
|
||||
begin
|
||||
if i<>0 then
|
||||
AsmWrite(',');
|
||||
AsmWrite(tostr(t64bitarray(co)[i]));
|
||||
end;
|
||||
AsmLn;
|
||||
end;
|
||||
|
||||
ait_direct :
|
||||
begin
|
||||
AsmWritePChar(pai_direct(hp)^.str);
|
||||
AsmLn;
|
||||
{$IfDef GDB}
|
||||
if strpos(pai_direct(hp)^.str,'.data')<>nil then
|
||||
n_line:=n_dataline
|
||||
else if strpos(pai_direct(hp)^.str,'.text')<>nil then
|
||||
n_line:=n_textline
|
||||
else if strpos(pai_direct(hp)^.str,'.bss')<>nil then
|
||||
n_line:=n_bssline;
|
||||
{$endif GDB}
|
||||
end;
|
||||
|
||||
ait_string :
|
||||
begin
|
||||
pos:=0;
|
||||
for i:=1 to pai_string(hp)^.len do
|
||||
begin
|
||||
if pos=0 then
|
||||
begin
|
||||
AsmWrite(#9'.ascii'#9'"');
|
||||
pos:=20;
|
||||
end;
|
||||
ch:=pai_string(hp)^.str[i-1];
|
||||
case ch of
|
||||
#0, {This can't be done by range, because a bug in FPC}
|
||||
#1..#31,
|
||||
#128..#255 : s:='\'+tostr(ord(ch) shr 6)+tostr((ord(ch) and 63) shr 3)+tostr(ord(ch) and 7);
|
||||
'"' : s:='\"';
|
||||
'\' : s:='\\';
|
||||
else
|
||||
s:=ch;
|
||||
end;
|
||||
AsmWrite(s);
|
||||
inc(pos,length(s));
|
||||
if (pos>line_length) or (i=pai_string(hp)^.len) then
|
||||
begin
|
||||
AsmWriteLn('"');
|
||||
pos:=0;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
ait_label :
|
||||
begin
|
||||
if (pai_label(hp)^.l^.is_used) then
|
||||
begin
|
||||
if pai_label(hp)^.l^.typ=AS_GLOBAL then
|
||||
AsmWriteLn('.globl'#9+pai_label(hp)^.l^.name);
|
||||
AsmWriteLn(pai_label(hp)^.l^.name+':');
|
||||
end;
|
||||
end;
|
||||
|
||||
ait_symbol :
|
||||
begin
|
||||
if pai_symbol(hp)^.is_global then
|
||||
AsmWriteLn('.globl'#9+pai_symbol(hp)^.sym^.name);
|
||||
if target_info.target=target_i386_linux then
|
||||
begin
|
||||
AsmWrite(#9'.type'#9+pai_symbol(hp)^.sym^.name);
|
||||
if assigned(pai(hp^.next)) and
|
||||
(pai(hp^.next)^.typ in [ait_const_symbol,ait_const_rva,
|
||||
ait_const_32bit,ait_const_16bit,ait_const_8bit,ait_datablock,
|
||||
ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit]) then
|
||||
AsmWriteLn(',@object')
|
||||
else
|
||||
AsmWriteLn(',@function');
|
||||
if pai_symbol(hp)^.sym^.size>0 then
|
||||
AsmWriteLn(#9'.size'#9+pai_symbol(hp)^.sym^.name+', '+tostr(pai_symbol(hp)^.sym^.size));
|
||||
end;
|
||||
AsmWriteLn(pai_symbol(hp)^.sym^.name+':');
|
||||
end;
|
||||
|
||||
ait_symbol_end :
|
||||
begin
|
||||
if target_info.target=target_i386_linux then
|
||||
begin
|
||||
s:=target_asm.labelprefix+'e'+tostr(symendcount);
|
||||
inc(symendcount);
|
||||
AsmWriteLn(s+':');
|
||||
AsmWriteLn(#9'.size'#9+pai_symbol(hp)^.sym^.name+', '+s+' - '+pai_symbol(hp)^.sym^.name);
|
||||
end;
|
||||
end;
|
||||
|
||||
ait_instruction :
|
||||
begin
|
||||
|
||||
op:=paicpu(hp)^.opcode;
|
||||
calljmp:=is_calljmp(op);
|
||||
{ call maybe not translated to calll }
|
||||
s:=#9+att_op2str[op]+cond2str[paicpu(hp)^.condition];
|
||||
if (not calljmp) and
|
||||
(not att_nosuffix[op]) and
|
||||
not(
|
||||
(paicpu(hp)^.oper[0].typ=top_reg) and
|
||||
(paicpu(hp)^.oper[0].reg in [R_ST..R_ST7])
|
||||
) then
|
||||
s:=s+att_opsize2str[paicpu(hp)^.opsize];
|
||||
{ process operands }
|
||||
if paicpu(hp)^.ops<>0 then
|
||||
begin
|
||||
{ call and jmp need an extra handling }
|
||||
{ this code is only called if jmp isn't a labeled instruction }
|
||||
if calljmp then
|
||||
s:=s+#9+getopstr_jmp(paicpu(hp)^.oper[0])
|
||||
else
|
||||
begin
|
||||
for i:=0to paicpu(hp)^.ops-1 do
|
||||
begin
|
||||
if i=0 then
|
||||
sep:=#9
|
||||
else
|
||||
sep:=',';
|
||||
s:=s+sep+getopstr(paicpu(hp)^.oper[i])
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
AsmWriteLn(s);
|
||||
end;
|
||||
|
||||
{$ifdef GDB}
|
||||
ait_stabs :
|
||||
begin
|
||||
AsmWrite(#9'.stabs ');
|
||||
AsmWritePChar(pai_stabs(hp)^.str);
|
||||
AsmLn;
|
||||
end;
|
||||
|
||||
ait_stabn :
|
||||
begin
|
||||
AsmWrite(#9'.stabn ');
|
||||
AsmWritePChar(pai_stabn(hp)^.str);
|
||||
AsmLn;
|
||||
end;
|
||||
|
||||
ait_force_line :
|
||||
stabslastfileinfo.line:=0;
|
||||
|
||||
ait_stab_function_name:
|
||||
funcname:=pai_stab_function_name(hp)^.str;
|
||||
{$endif GDB}
|
||||
|
||||
ait_cut :
|
||||
begin
|
||||
if SmartAsm then
|
||||
begin
|
||||
{ only reset buffer if nothing has changed }
|
||||
if AsmSize=AsmStartSize then
|
||||
AsmClear
|
||||
else
|
||||
begin
|
||||
AsmClose;
|
||||
DoAssemble;
|
||||
if pai_cut(hp)^.EndName then
|
||||
IsEndFile:=true;
|
||||
AsmCreate;
|
||||
end;
|
||||
{ avoid empty files }
|
||||
while assigned(hp^.next) and (pai(hp^.next)^.typ in [ait_cut,ait_section,ait_comment]) do
|
||||
begin
|
||||
if pai(hp^.next)^.typ=ait_section then
|
||||
lastsec:=pai_section(hp^.next)^.sec;
|
||||
hp:=pai(hp^.next);
|
||||
end;
|
||||
{$ifdef GDB}
|
||||
{ force write of filename }
|
||||
FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
|
||||
includecount:=0;
|
||||
funcname:=nil;
|
||||
WriteFileLineInfo(hp^.fileinfo);
|
||||
{$endif GDB}
|
||||
if lastsec<>sec_none then
|
||||
AsmWriteLn(ait_section2str(lastsec));
|
||||
AsmStartSize:=AsmSize;
|
||||
end;
|
||||
end;
|
||||
|
||||
ait_marker :
|
||||
;
|
||||
|
||||
else
|
||||
internalerror(10000);
|
||||
end;
|
||||
hp:=pai(hp^.next);
|
||||
end;
|
||||
end;
|
||||
|
||||
|
||||
procedure talphaattasmlist.WriteAsmList;
|
||||
var
|
||||
p:dirstr;
|
||||
n:namestr;
|
||||
e:extstr;
|
||||
{$ifdef GDB}
|
||||
fileinfo : tfileposinfo;
|
||||
{$endif GDB}
|
||||
|
||||
begin
|
||||
{$ifdef EXTDEBUG}
|
||||
if assigned(current_module^.mainsource) then
|
||||
Comment(v_info,'Start writing GNU-styled assembler output for '+current_module^.mainsource^);
|
||||
{$endif}
|
||||
|
||||
LastSec:=sec_none;
|
||||
{$ifdef GDB}
|
||||
FillChar(stabslastfileinfo,sizeof(stabslastfileinfo),0);
|
||||
{$endif GDB}
|
||||
FillChar(lastfileinfo,sizeof(lastfileinfo),0);
|
||||
LastInfile:=nil;
|
||||
|
||||
if assigned(current_module^.mainsource) then
|
||||
fsplit(current_module^.mainsource^,p,n,e)
|
||||
internalerror(1000101);
|
||||
exit;
|
||||
end
|
||||
else
|
||||
begin
|
||||
p:=inputdir;
|
||||
n:=inputfile;
|
||||
e:=inputextension;
|
||||
with ref do
|
||||
begin
|
||||
inc(offset,offsetfixup);
|
||||
if (offset < -32768) or (offset > 32767) then
|
||||
internalerror(19991);
|
||||
s:='';
|
||||
if assigned(symbol) then
|
||||
s:=s+symbol^.name + symaddr2str[symaddr];
|
||||
if offset<0 then
|
||||
s:=s+tostr(offset)
|
||||
else
|
||||
if (offset>0) then
|
||||
begin
|
||||
if assigned(symbol) then
|
||||
s:=s+'+'+tostr(offset)
|
||||
else
|
||||
s:=s+tostr(offset);
|
||||
end;
|
||||
if (index=R_NO) and (base<>R_NO) then
|
||||
s:=s+'('+att_reg2str[base]+')'
|
||||
else if (index<>R_NO) and (base<>R_NO) and (offset = 0) then
|
||||
s:=s+att_reg2str[base]+','+att_reg2str[index]
|
||||
else if (index<>R_NO) or (base<>R_NO)) then
|
||||
internalerror(19992);
|
||||
end;
|
||||
end;
|
||||
{ to get symify to work }
|
||||
AsmWriteLn(#9'.file "'+FixFileName(n+e)+'"');
|
||||
|
||||
{$ifdef GDB}
|
||||
n_line:=n_bssline;
|
||||
funcname:=nil;
|
||||
linecount:=1;
|
||||
includecount:=0;
|
||||
fileinfo.fileindex:=1;
|
||||
fileinfo.line:=1;
|
||||
{ Write main file }
|
||||
WriteFileLineInfo(fileinfo);
|
||||
{$endif GDB}
|
||||
AsmStartSize:=AsmSize;
|
||||
symendcount:=0;
|
||||
|
||||
countlabelref:=false;
|
||||
If (cs_debuginfo in aktmoduleswitches) then
|
||||
WriteTree(debuglist);
|
||||
WriteTree(codesegment);
|
||||
WriteTree(datasegment);
|
||||
WriteTree(consts);
|
||||
WriteTree(rttilist);
|
||||
Writetree(resourcestringlist);
|
||||
WriteTree(bsssegment);
|
||||
Writetree(importssection);
|
||||
Writetree(exportssection);
|
||||
Writetree(resourcesection);
|
||||
countlabelref:=true;
|
||||
|
||||
AsmLn;
|
||||
{$ifdef EXTDEBUG}
|
||||
if assigned(current_module^.mainsource) then
|
||||
comment(v_info,'Done writing att-styled assembler output for '+current_module^.mainsource^);
|
||||
{$endif EXTDEBUG}
|
||||
getreferencestring:=s;
|
||||
end;
|
||||
|
||||
function taicpuattasmlist.getopstr_jmp(const o:toper) : string;
|
||||
var
|
||||
hs : string;
|
||||
begin
|
||||
case o.typ of
|
||||
top_reg :
|
||||
getopstr_jmp:=att_reg2str[o.reg];
|
||||
{ no top_ref jumping for powerpc }
|
||||
top_const :
|
||||
getopstr_jmp:=tostr(o.val);
|
||||
top_symbol :
|
||||
begin
|
||||
hs:=o.sym^.name;
|
||||
if o.symofs>0 then
|
||||
hs:=hs+'+'+tostr(o.symofs)
|
||||
else
|
||||
if o.symofs<0 then
|
||||
hs:=hs+tostr(o.symofs);
|
||||
getopstr_jmp:=hs;
|
||||
end;
|
||||
else
|
||||
internalerror(10001);
|
||||
end;
|
||||
end;
|
||||
|
||||
|
||||
Procedure taicpuattasmlist.WriteInstruction (P : Pai);
|
||||
var op: TAsmOp;
|
||||
s: string;
|
||||
i: byte;
|
||||
begin
|
||||
op:=paicpu(hp)^.opcode;
|
||||
if not is_calljmp(o) then
|
||||
s:=#9+att_op2str[op];
|
||||
else
|
||||
{ direct BO/BI in op[0] and op[1] not supported, put them in condition! }
|
||||
s:=s+cond2str(op,paicpu(hp)^.condition)+
|
||||
getopstr_jmp(paicpu(hp)^.oper[0])
|
||||
else
|
||||
{ process operands }
|
||||
begin
|
||||
if paicpu(hp)^.ops<>0 then
|
||||
begin
|
||||
if not is_calljmp(op) then
|
||||
sep := ','
|
||||
else sep := '#9';
|
||||
for i:=0 to paicpu(hp)^.ops-1 do
|
||||
begin
|
||||
s:=s+sep+getopstr(paicpu(hp)^.oper[i])
|
||||
sep:=',';
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
AsmWriteLn(s);
|
||||
end;
|
||||
|
||||
procedure taicpuattasmlist.cond2str(op: tasmop; c: tasmcond): string;
|
||||
{ note: no checking is performed whether the given combination of }
|
||||
{ conditions is valid }
|
||||
var tempstr: sintrg;
|
||||
begin
|
||||
tempstr := '#9';
|
||||
case c.simple of
|
||||
false: cond2str := tempstr+att_op2str[op]+'#9'+tostr(c.bo)+','+
|
||||
tostr(c.bi);
|
||||
true:
|
||||
if (op >= A_B) and (op <= A_BCLRL) then
|
||||
case c.cond of
|
||||
{ unconditional branch }
|
||||
CF_NONE: condstr := tempstr+op2str(op);
|
||||
{ bdnzt etc }
|
||||
else
|
||||
begin
|
||||
tempstr := tempstr+'b'+asmcondflag2str[c.cond]+
|
||||
branchmode(op)+'#9';
|
||||
case op of
|
||||
CF_LT..CF_NU:
|
||||
cond2str := tempstr+att_reg2str[c.cr];
|
||||
CF_T..CF_DZF:
|
||||
cond2str := tempstr+tostr(c.crbit);
|
||||
end;
|
||||
end;
|
||||
end
|
||||
{ we have a trap instruction }
|
||||
{ not yet implementer !!!!!!!!!!!!!!!!!!!!! }
|
||||
{ else
|
||||
begin
|
||||
case tempstr := 'tw';}
|
||||
end;
|
||||
end;
|
||||
|
||||
function taicpuattasmlist.branchmode(o: tasmop): string[4];
|
||||
var tempstr: string[4];
|
||||
begin
|
||||
tempstr := '';
|
||||
case o of
|
||||
A_BCCTR,A_BCCTRL: tempstr := 'ctr'
|
||||
A_BCLR,A_BCLRL: tempstr := 'lr'
|
||||
case o of
|
||||
A_BL,A_BLA,A_BCL,A_BCLA,A_BCCTRL,A_BCLRL: tempstr := tempstr+'l';
|
||||
end;
|
||||
case o of
|
||||
A_BA,A_BLA,A_BCA,A_BCLA: tempstr:=tempstr+'a';
|
||||
end;
|
||||
branchmode := tempstr;
|
||||
end;
|
||||
|
||||
end.
|
||||
{
|
||||
$Log$
|
||||
Revision 1.2 1999-08-25 12:00:22 jonas
|
||||
Revision 1.3 1999-09-03 13:15:47 jonas
|
||||
+ implemented most necessary methods
|
||||
|
||||
Revision 1.2 1999/08/25 12:00:22 jonas
|
||||
* changed pai386, paippc and paiapha (same for tai*) to paicpu (taicpu)
|
||||
|
||||
Revision 1.1 1999/08/03 23:37:52 jonas
|
||||
|
||||
Loading…
Reference in New Issue
Block a user