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@@ -25,7 +25,7 @@ unit cgobj;
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interface
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interface
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uses
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uses
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- cobjects,aasm,symtable,symconst,cpuasm,cpubase;
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+ cobjects,aasm,symtable,symconst,cpuasm,cpubase,cgbase,cpuinfo;
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type
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type
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qword = comp;
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qword = comp;
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@@ -48,6 +48,11 @@ unit cgobj;
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procedure g_copyvalueparas(list : paasmoutput;p : pnamedindexobject);
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procedure g_copyvalueparas(list : paasmoutput;p : pnamedindexobject);
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procedure g_finalizetempansistrings(list : paasmoutput);
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procedure g_finalizetempansistrings(list : paasmoutput);
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+ { finalizes data of type t }
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+ { if is_already_ref is true then the routines assumes }
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+ { that r points to the data to finalizes }
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+ procedure g_finalize(list : paasmoutput;t : pdef;const ref : treference;is_already_ref : boolean);
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+
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procedure g_entrycode(list : paasmoutput;
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procedure g_entrycode(list : paasmoutput;
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const proc_names : tstringcontainer;make_global : boolean;
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const proc_names : tstringcontainer;make_global : boolean;
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stackframe : longint;var parasize : longint;
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stackframe : longint;var parasize : longint;
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@@ -57,35 +62,64 @@ unit cgobj;
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nostackframe,inlined : boolean);
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nostackframe,inlined : boolean);
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{ string helper routines }
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{ string helper routines }
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- procedure g_decransiref(const ref : treference);
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+ procedure g_decrstrref(list : paasmoutput;const ref : treference;t : pdef);
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procedure g_removetemps(list : paasmoutput;p : plinkedlist);
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procedure g_removetemps(list : paasmoutput;p : plinkedlist);
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{**********************************}
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{**********************************}
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{ these methods must be overriden: }
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{ these methods must be overriden: }
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- procedure a_push_reg(list : paasmoutput;r : tregister);virtual;
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- procedure a_call_name(list : paasmoutput;const s : string;
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- offset : longint);virtual;
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-
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- procedure a_load8_const_reg(list : paasmoutput;b : byte;register : tregister);virtual;
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- procedure a_load16_const_reg(list : paasmoutput;w : word;register : tregister);virtual;
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- procedure a_load32_const_reg(list : paasmoutput;l : longint;register : tregister);virtual;
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- procedure a_load64_const_reg(list : paasmoutput;q : qword;register : tregister);virtual;
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-
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- procedure a_load8_reg_ref(list : paasmoutput;register : tregister;const ref : treference);virtual;
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- procedure a_load16_reg_ref(list : paasmoutput;register : tregister;const ref : treference);virtual;
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- procedure a_load32_reg_ref(list : paasmoutput;register : tregister;const ref : treference);virtual;
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- procedure a_load64_reg_ref(list : paasmoutput;register : tregister;const ref : treference);virtual;
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- procedure a_load8_ref_reg(list : paasmoutput;const ref : treference;register : tregister);virtual;
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- procedure a_load16_ref_reg(list : paasmoutput;const ref : treference;register : tregister);virtual;
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- procedure a_load32_ref_reg(list : paasmoutput;const ref : treference;register : tregister);virtual;
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- procedure a_load64_ref_reg(list : paasmoutput;const ref : treference;register : tregister);virtual;
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+ { Remarks:
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+ * If a method specifies a size you have only to take care
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+ of that number of bits, i.e. load_const_reg with OP_8 must
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+ only load the lower 8 bit of the specified register
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+ the rest of the register can be undefined
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+ if necessary the compiler will call a method
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+ to zero or sign extend the register
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+ * The a_load_XX_XX with OP_64 needn't to be
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+ implemented for 32 bit
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+ processors, the code generator takes care of that
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+ * the addr size is for work with the natural pointer
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+ size
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+ * the procedures without fpu/mm are only for integer usage
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+ * normally the first location is the source and the
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+ second the destination
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+ }
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- procedure a_loadaddress_ref_reg(list : paasmoutput;ref : treference;r : tregister);virtual;
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+ procedure a_call_name(list : paasmoutput;const s : string;
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+ offset : longint);virtual;
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+ procedure a_push_reg(list : paasmoutput;r : tregister);virtual;
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+ { move instructions }
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+ procedure a_load_const_reg(list : paasmoutput;size : tcgsize;a : aword;register : tregister);virtual;
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+ procedure a_load_reg_ref(list : paasmoutput;size : tcgsize;register : tregister;const ref : treference);virtual;
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+ procedure a_load_ref_reg(list : paasmoutput;size : tcgsize;const ref : treference;register : tregister);virtual;
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+ procedure a_load_reg_reg(list : paasmoutput;size : tcgsize;reg1,reg2 : tregister);virtual;
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+
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+ { comparison operations }
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+ procedure a_cmp_reg_const_label(list : paasmoutput;size : tcgsize;cmp_op : topcmp;b : byte;reg : tregister;
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+ l : pasmlabel);virtual;
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+ procedure a_cmp_reg_reg_label(list : paasmoutput;size : tcgsize;cmp_op : topcmp;reg1,reg2 : tregister;l : pasmlabel);
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+ procedure a_cmp_reg_ref_label(list : paasmoutput;size : tcgsize;cmp_op : topcmp;reg : tregister;l : pasmlabel);
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+ procedure a_cmp_ref_const_label(list : paasmoutput;size : tcgsize;cmp_op : topcmp;l : longint;reg : tregister;
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+ l : pasmlabel);
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+
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+ procedure a_loadaddress_ref_reg(list : paasmoutput;const ref : treference;r : tregister);virtual;
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procedure g_stackframe_entry(list : paasmoutput;localsize : longint);virtual;
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procedure g_stackframe_entry(list : paasmoutput;localsize : longint);virtual;
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procedure g_maybe_loadself(list : paasmoutput);virtual;
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procedure g_maybe_loadself(list : paasmoutput);virtual;
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+ { restores the frame pointer at procedure exit, for the }
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+ { i386 it generates a simple leave }
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+ procedure g_restore_frame_pointer(list : paasmoutput);virtual;
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+
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+ { some processors like the PPC doesn't allow to change the stack in }
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+ { a procedure, so we need to maintain an extra stack for the }
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+ { result values of setjmp in exception code }
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+ { this two procedures are for pushing an exception value, }
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+ { they can use the scratch registers }
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+ procedure g_push_exception_value_reg(list : paasmoutput;reg : tregister);virtual;
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+ procedure g_push_exception_value_const(list : paasmoutput;reg : tregister);virtual;
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+ { that procedure pops a exception value }
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+ procedure g_pop_exception_value_reg(list : paasmoutput;reg : tregister);virtual;
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{********************************************************}
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{********************************************************}
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{ these methods can be overriden for extra functionality }
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{ these methods can be overriden for extra functionality }
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@@ -97,22 +131,26 @@ unit cgobj;
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procedure g_profilecode(list : paasmoutput);virtual;
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procedure g_profilecode(list : paasmoutput);virtual;
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procedure g_stackcheck(list : paasmoutput;stackframesize : longint);virtual;
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procedure g_stackcheck(list : paasmoutput;stackframesize : longint);virtual;
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- procedure a_load8_const_ref(list : paasmoutput;b : byte;const ref : treference);virtual;
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- procedure a_load16_const_ref(list : paasmoutput;w : word;const ref : treference);virtual;
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- procedure a_load32_const_ref(list : paasmoutput;l : longint;const ref : treference);virtual;
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- procedure a_load64_const_ref(list : paasmoutput;q : qword;const ref : treference);virtual;
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+ procedure a_load_const_ref(list : paasmoutput;size : tcgsize;a : aword;const ref : treference);virtual;
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+
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{ passing parameters, per default the parameter is pushed }
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{ passing parameters, per default the parameter is pushed }
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{ nr gives the number of the parameter (enumerated from }
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{ nr gives the number of the parameter (enumerated from }
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{ left to right), this allows to move the parameter to }
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{ left to right), this allows to move the parameter to }
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{ register, if the cpu supports register calling }
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{ register, if the cpu supports register calling }
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{ conventions }
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{ conventions }
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- procedure a_param_reg(list : paasmoutput;r : tregister;nr : longint);virtual;
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- procedure a_param8_const(list : paasmoutput;b : byte;nr : longint);virtual;
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- procedure a_param16_const(list : paasmoutput;w : word;nr : longint);virtual;
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- procedure a_param32_const(list : paasmoutput;l : longint;nr : longint);virtual;
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- procedure a_param64_const(list : paasmoutput;q : qword;nr : longint);virtual;
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+ procedure a_param_reg(list : paasmoutput;size : tcgsize;r : tregister;nr : longint);virtual;
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+ procedure a_param_const(list : paasmoutput;size : tcgsize;a : aword;nr : longint);virtual;
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+ procedure a_param_ref(list : paasmoutput;size : tcgsize;const r : treference;nr : longint);virtual;
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+ procedure a_paramaddr_ref(list : paasmoutput;const r : treference;nr : longint);virtual;
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+
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{ uses the addr of ref as param, was emitpushreferenceaddr }
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{ uses the addr of ref as param, was emitpushreferenceaddr }
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procedure a_param_ref_addr(list : paasmoutput;r : treference;nr : longint);virtual;
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procedure a_param_ref_addr(list : paasmoutput;r : treference;nr : longint);virtual;
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+ procedure a_label(list : paasmoutput;l : pasmlabel);virtual;
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+
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+ { allocates register r by inserting a pai_realloc record }
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+ procedure a_reg_alloc(list : paasmoutput;r : tregister);
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+ { deallocates register r by inserting a pa_regdealloc record}
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+ procedure a_reg_dealloc(list : paasmoutput;r : tregister);
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end;
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end;
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var
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var
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@@ -122,8 +160,11 @@ unit cgobj;
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uses
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uses
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globals,globtype,options,files,gdb,systems,
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globals,globtype,options,files,gdb,systems,
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- ppu,cgbase,verbose,types,tgobj,tgcpu
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- ;
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+ ppu,verbose,types,tgobj,tgcpu;
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+
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+{*****************************************************************************
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+ basic functionallity
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+******************************************************************************}
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constructor tcg.init;
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constructor tcg.init;
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@@ -135,6 +176,18 @@ unit cgobj;
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begin
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begin
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end;
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end;
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+ procedure tcg.a_reg_alloc(list : paasmoutput;r : tregister);
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+
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+ begin
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+ list^.concat(new(pairegalloc,alloc(r)));
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+ end;
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+
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+ procedure tcg.a_reg_dealloc(list : paasmoutput;r : tregister);
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+
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+ begin
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+ list^.concat(new(pairegalloc,dealloc(r)));
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+ end;
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+
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{*****************************************************************************
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{*****************************************************************************
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this methods must be overridden for extra functionality
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this methods must be overridden for extra functionality
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******************************************************************************}
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******************************************************************************}
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@@ -158,47 +211,31 @@ unit cgobj;
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for better code generation these methods should be overridden
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for better code generation these methods should be overridden
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******************************************************************************}
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******************************************************************************}
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- procedure tcg.a_param_reg(list : paasmoutput;r : tregister;nr : longint);
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+ procedure tcg.a_param_reg(list : paasmoutput;size : tcgsize;r : tregister;nr : longint);
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begin
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begin
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a_push_reg(list,r);
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a_push_reg(list,r);
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end;
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end;
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- procedure tcg.a_param8_const(list : paasmoutput;b : byte;nr : longint);
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+ procedure tcg.a_param_const(list : paasmoutput;size : tcgsize;a : aword;nr : longint);
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begin
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begin
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{!!!!!!!! a_push_const8(list,b); }
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{!!!!!!!! a_push_const8(list,b); }
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end;
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end;
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- procedure tcg.a_param16_const(list : paasmoutput;w : word;nr : longint);
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-
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- begin
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- {!!!!!!!! a_push_const16(list,w); }
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- end;
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-
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- procedure tcg.a_param32_const(list : paasmoutput;l : longint;nr : longint);
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-
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- begin
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- {!!!!!!!! a_push_const32(list,l); }
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- end;
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-
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- procedure tcg.a_param64_const(list : paasmoutput;q : qword;nr : longint);
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-
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- begin
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- {!!!!!!!! a_push_const64(list,q); }
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- end;
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-
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procedure tcg.a_param_ref_addr(list : paasmoutput;r : treference;nr : longint);
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procedure tcg.a_param_ref_addr(list : paasmoutput;r : treference;nr : longint);
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begin
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begin
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+ a_reg_alloc(list,scratch_register);
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a_loadaddress_ref_reg(list,r,scratch_register);
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a_loadaddress_ref_reg(list,r,scratch_register);
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- a_param_reg(list,scratch_register,nr);
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+ a_param_reg(list,OS_ADDR,scratch_register,nr);
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+ a_reg_dealloc(list,scratch_register);
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end;
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end;
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procedure tcg.g_stackcheck(list : paasmoutput;stackframesize : longint);
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procedure tcg.g_stackcheck(list : paasmoutput;stackframesize : longint);
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begin
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begin
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- a_param32_const(list,stackframesize,1);
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+ a_param_const(list,OS_32,stackframesize,1);
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a_call_name_ext(list,'FPC_STACKCHECK',0);
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a_call_name_ext(list,'FPC_STACKCHECK',0);
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end;
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end;
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@@ -209,32 +246,13 @@ unit cgobj;
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a_call_name(list,s,offset);
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a_call_name(list,s,offset);
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end;
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end;
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- procedure tcg.a_load8_const_ref(list : paasmoutput;b : byte;const ref : treference);
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-
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- begin
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- a_load8_const_reg(list,b,scratch_register);
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- a_load8_reg_ref(list,scratch_register,ref);
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- end;
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-
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- procedure tcg.a_load16_const_ref(list : paasmoutput;w : word;const ref : treference);
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-
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- begin
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- a_load16_const_reg(list,w,scratch_register);
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- a_load16_reg_ref(list,scratch_register,ref);
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- end;
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-
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- procedure tcg.a_load32_const_ref(list : paasmoutput;l : longint;const ref : treference);
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-
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- begin
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- a_load32_const_reg(list,l,scratch_register);
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- a_load32_reg_ref(list,scratch_register,ref);
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- end;
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-
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- procedure tcg.a_load64_const_ref(list : paasmoutput;q : qword;const ref : treference);
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+ procedure tcg.a_load_const_ref(list : paasmoutput;size : tcgsize;a : aword;const ref : treference);
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begin
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begin
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- a_load64_const_reg(list,q,scratch_register);
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- a_load64_reg_ref(list,scratch_register,ref);
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+ a_reg_alloc(list,scratch_register);
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+ a_load_const_reg(list,size,a,scratch_register);
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+ a_load_reg_ref(list,size,scratch_register,ref);
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+ a_reg_dealloc(list,scratch_register);
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end;
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end;
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{*****************************************************************************
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{*****************************************************************************
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@@ -256,7 +274,7 @@ unit cgobj;
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begin
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begin
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if is_ansistring(hp^.typ) then
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if is_ansistring(hp^.typ) then
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begin
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begin
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- g_decransiref(hp^.address);
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+ g_decrstrref(list,hp^.address,hp^.typ);
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tg.ungetiftemp(hp^.address);
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tg.ungetiftemp(hp^.address);
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end;
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end;
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hp:=ptemptodestroy(hp^.next);
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hp:=ptemptodestroy(hp^.next);
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@@ -264,18 +282,49 @@ unit cgobj;
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tg.popusedregisters(pushedregs);
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tg.popusedregisters(pushedregs);
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end;
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end;
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- procedure tcg.g_decransiref(const ref : treference);
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+ procedure tcg.g_decrstrref(list : paasmoutput;const ref : treference;t : pdef);
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+
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+ var
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+ pushedregs : tpushed;
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begin
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begin
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- {!!!!!!!!!}
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- { emitpushreferenceaddr(exprasmlist,ref);
|
|
|
|
- emitcall('FPC_ANSISTR_DECR_REF',true); }
|
|
|
|
|
|
+ tg.pushusedregisters(pushedregs,$ff);
|
|
|
|
+ a_param_ref_addr(list,ref,1);
|
|
|
|
+ if is_ansistring(t) then
|
|
|
|
+ a_call_name(list,'FPC_ANSISTR_DECR_REF',0)
|
|
|
|
+ else if is_widestring(t) then
|
|
|
|
+ a_call_name(list,'FPC_WIDESTR_DECR_REF',0)
|
|
|
|
+ else internalerror(58993);
|
|
|
|
+ tg.popusedregisters(pushedregs);
|
|
end;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
{*****************************************************************************
|
|
Code generation for subroutine entry- and exit code
|
|
Code generation for subroutine entry- and exit code
|
|
*****************************************************************************}
|
|
*****************************************************************************}
|
|
|
|
|
|
|
|
+ procedure tcg.g_finalize(list : paasmoutput;t : pdef;const ref : treference;is_already_ref : boolean);
|
|
|
|
+
|
|
|
|
+ var
|
|
|
|
+ r : treference;
|
|
|
|
+
|
|
|
|
+ begin
|
|
|
|
+ if is_ansistring(t) or
|
|
|
|
+ is_widestring(t) then
|
|
|
|
+ begin
|
|
|
|
+ g_decrstrref(list,ref,t);
|
|
|
|
+ end
|
|
|
|
+ else
|
|
|
|
+ begin
|
|
|
|
+ reset_reference(r);
|
|
|
|
+ r.symbol:=t^.get_inittable_label;
|
|
|
|
+ a_param_ref_addr(list,r,2);
|
|
|
|
+ if is_already_ref then
|
|
|
|
+ a_paramaddr_ref(list,ref,1)
|
|
|
|
+ else
|
|
|
|
+ a_param_ref_addr(list,ref,1);
|
|
|
|
+ a_call_name(list,'FPC_FINALIZE',0);
|
|
|
|
+ end;
|
|
|
|
+ end;
|
|
{ generates the code for initialisation of local data }
|
|
{ generates the code for initialisation of local data }
|
|
procedure tcg.g_initialize_data(list : paasmoutput;p : psym);
|
|
procedure tcg.g_initialize_data(list : paasmoutput;p : psym);
|
|
|
|
|
|
@@ -409,8 +458,8 @@ unit cgobj;
|
|
begin
|
|
begin
|
|
if (r in registers_saved_on_cdecl) then
|
|
if (r in registers_saved_on_cdecl) then
|
|
if (r in (tg.availabletempregsint+
|
|
if (r in (tg.availabletempregsint+
|
|
- tg.availabletempregsfpu+
|
|
|
|
- tg.availabletempregsmm)) then
|
|
|
|
|
|
+ tg.availabletempregsfpu+
|
|
|
|
+ tg.availabletempregsmm)) then
|
|
begin
|
|
begin
|
|
if not(r in tg.usedinproc) then
|
|
if not(r in tg.usedinproc) then
|
|
a_push_reg(list,r)
|
|
a_push_reg(list,r)
|
|
@@ -458,9 +507,9 @@ unit cgobj;
|
|
begin
|
|
begin
|
|
hr.symbol:=newasmsymbol('U_'+target_info.system_unit+'_ISCONSOLE');
|
|
hr.symbol:=newasmsymbol('U_'+target_info.system_unit+'_ISCONSOLE');
|
|
if apptype=at_cui then
|
|
if apptype=at_cui then
|
|
- a_load8_const_ref(list,1,hr)
|
|
|
|
|
|
+ a_load_const_ref(list,OS_8,1,hr)
|
|
else
|
|
else
|
|
- a_load8_const_ref(list,0,hr);
|
|
|
|
|
|
+ a_load_const_ref(list,OS_8,0,hr);
|
|
dispose(hr.symbol,done);
|
|
dispose(hr.symbol,done);
|
|
end;
|
|
end;
|
|
|
|
|
|
@@ -508,7 +557,7 @@ unit cgobj;
|
|
reset_reference(hr);
|
|
reset_reference(hr);
|
|
hr.offset:=procinfo.retoffset;
|
|
hr.offset:=procinfo.retoffset;
|
|
hr.base:=procinfo.framepointer;
|
|
hr.base:=procinfo.framepointer;
|
|
- a_load32_const_ref(list,0,hr);
|
|
|
|
|
|
+ a_load_const_ref(list,OS_32,0,hr);
|
|
end;
|
|
end;
|
|
|
|
|
|
_list:=list;
|
|
_list:=list;
|
|
@@ -575,6 +624,7 @@ unit cgobj;
|
|
p : pchar;
|
|
p : pchar;
|
|
{$endif GDB}
|
|
{$endif GDB}
|
|
noreraiselabel : pasmlabel;
|
|
noreraiselabel : pasmlabel;
|
|
|
|
+ hr : treference;
|
|
|
|
|
|
begin
|
|
begin
|
|
if aktexitlabel^.is_used then
|
|
if aktexitlabel^.is_used then
|
|
@@ -587,8 +637,10 @@ unit cgobj;
|
|
a_call_name(list,'FPC_DISPOSE_CLASS',0)
|
|
a_call_name(list,'FPC_DISPOSE_CLASS',0)
|
|
else
|
|
else
|
|
begin
|
|
begin
|
|
- a_load32_const_reg(list,procinfo._class^.vmt_offset,scratch_register);
|
|
|
|
|
|
+ a_reg_alloc(list,scratch_register);
|
|
|
|
+ a_load_const_reg(list,OS_32,procinfo._class^.vmt_offset,scratch_register);
|
|
a_call_name(list,'FPC_HELP_DESTRUCTOR',0);
|
|
a_call_name(list,'FPC_HELP_DESTRUCTOR',0);
|
|
|
|
+ a_reg_dealloc(list,scratch_register);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
@@ -610,12 +662,11 @@ unit cgobj;
|
|
getlabel(noreraiselabel);
|
|
getlabel(noreraiselabel);
|
|
|
|
|
|
a_call_name(list,'FPC_POPADDRSTACK',0);
|
|
a_call_name(list,'FPC_POPADDRSTACK',0);
|
|
|
|
+ a_reg_alloc(list,accumulator);
|
|
|
|
+ g_pop_exception_value_reg(list,accumulator);
|
|
|
|
+ a_cmp_reg_const_label(list,OS_32,OC_EQ,0,accumulator,noreraiselabel);
|
|
|
|
+ a_reg_dealloc(list,accumulator);
|
|
|
|
|
|
- list^.concat(new(pai386,
|
|
|
|
- op_reg(A_POP,S_L,R_EAX)));
|
|
|
|
- list^.concat(new(pai386,
|
|
|
|
- op_reg_reg(A_TEST,S_L,R_EAX,R_EAX)));
|
|
|
|
- emitjmp(C_E,noreraiselabel);
|
|
|
|
{ must be the return value finalized before reraising the exception? }
|
|
{ must be the return value finalized before reraising the exception? }
|
|
if (procinfo.retdef<>pdef(voiddef)) and
|
|
if (procinfo.retdef<>pdef(voiddef)) and
|
|
(procinfo.retdef^.needs_inittable) and
|
|
(procinfo.retdef^.needs_inittable) and
|
|
@@ -625,11 +676,11 @@ unit cgobj;
|
|
reset_reference(hr);
|
|
reset_reference(hr);
|
|
hr.offset:=procinfo.retoffset;
|
|
hr.offset:=procinfo.retoffset;
|
|
hr.base:=procinfo.framepointer;
|
|
hr.base:=procinfo.framepointer;
|
|
- finalize(procinfo.retdef,hr,ret_in_param(procinfo.retdef));
|
|
|
|
|
|
+ g_finalize(list,procinfo.retdef,hr,ret_in_param(procinfo.retdef));
|
|
end;
|
|
end;
|
|
|
|
|
|
a_call_name(list,'FPC_RERAISE',0);
|
|
a_call_name(list,'FPC_RERAISE',0);
|
|
- exprasmlist^.concat(new(pai_label,init(noreraiselabel)));
|
|
|
|
|
|
+ a_label(list,noreraiselabel);
|
|
end;
|
|
end;
|
|
|
|
|
|
{ call __EXIT for main program }
|
|
{ call __EXIT for main program }
|
|
@@ -639,26 +690,29 @@ unit cgobj;
|
|
{ handle return value }
|
|
{ handle return value }
|
|
if not(po_assembler in aktprocsym^.definition^.procoptions) then
|
|
if not(po_assembler in aktprocsym^.definition^.procoptions) then
|
|
if (aktprocsym^.definition^.proctypeoption<>potype_constructor) then
|
|
if (aktprocsym^.definition^.proctypeoption<>potype_constructor) then
|
|
- handle_return_value(inlined)
|
|
|
|
|
|
+ { handle_return_value(inlined) }
|
|
else
|
|
else
|
|
- begin
|
|
|
|
- { successful constructor deletes the zero flag }
|
|
|
|
- { and returns self in eax }
|
|
|
|
- exprasmlist^.concat(new(pai_label,init(quickexitlabel)));
|
|
|
|
- { eax must be set to zero if the allocation failed !!! }
|
|
|
|
- exprasmlist^.concat(new(pai386,op_reg_reg(A_MOV,S_L,R_ESI,R_EAX)));
|
|
|
|
- exprasmlist^.concat(new(pai386,op_reg_reg(A_OR,S_L,R_EAX,R_EAX)));
|
|
|
|
- end;
|
|
|
|
|
|
+ begin
|
|
|
|
+ { return self in EAX }
|
|
|
|
+ a_label(list,quickexitlabel);
|
|
|
|
+ a_reg_alloc(list,accumulator);
|
|
|
|
+ a_load_reg_reg(list,OS_ADDR,self_pointer,accumulator);
|
|
|
|
+ a_reg_dealloc(list,self_pointer);
|
|
|
|
+ a_label(list,quickexitlabel);
|
|
|
|
+ { we can't clear the zero flag because the Alpha }
|
|
|
|
+ { for example doesn't have flags, we have to compare }
|
|
|
|
+ { the accu. in the caller }
|
|
|
|
+ end;
|
|
|
|
|
|
{ stabs uses the label also ! }
|
|
{ stabs uses the label also ! }
|
|
if aktexit2label^.is_used or
|
|
if aktexit2label^.is_used or
|
|
((cs_debuginfo in aktmoduleswitches) and not inlined) then
|
|
((cs_debuginfo in aktmoduleswitches) and not inlined) then
|
|
- exprasmlist^.concat(new(pai_label,init(aktexit2label)));
|
|
|
|
- { gives problems for long mangled names }
|
|
|
|
- {list^.concat(new(pai_symbol,init(aktprocsym^.definition^.mangledname+'_end')));}
|
|
|
|
|
|
+ a_label(list,aktexit2label);
|
|
|
|
|
|
|
|
+{$ifdef dummy}
|
|
{ should we restore edi ? }
|
|
{ should we restore edi ? }
|
|
{ for all i386 gcc implementations }
|
|
{ for all i386 gcc implementations }
|
|
|
|
+ {!!!!!!!!!!! I don't know how to handle register saving yet }
|
|
if (po_savestdregs in aktprocsym^.definition^.procoptions) then
|
|
if (po_savestdregs in aktprocsym^.definition^.procoptions) then
|
|
begin
|
|
begin
|
|
if (aktprocsym^.definition^.usedregisters and ($80 shr byte(R_EBX)))<>0 then
|
|
if (aktprocsym^.definition^.usedregisters and ($80 shr byte(R_EBX)))<>0 then
|
|
@@ -673,22 +727,20 @@ unit cgobj;
|
|
aktprocsym^.definition^.usedregisters or not ($80 shr byte(R_EBX));
|
|
aktprocsym^.definition^.usedregisters or not ($80 shr byte(R_EBX));
|
|
}
|
|
}
|
|
end;
|
|
end;
|
|
-
|
|
|
|
|
|
+{$endif dummy}
|
|
if not(nostackframe) and not inlined then
|
|
if not(nostackframe) and not inlined then
|
|
- exprasmlist^.concat(new(pai386,op_none(A_LEAVE,S_NO)));
|
|
|
|
-{$ifdef i386}
|
|
|
|
- { parameters are limited to 65535 bytes because }
|
|
|
|
- { ret allows only imm16 }
|
|
|
|
- if (parasize>65535) and not(pocall_clearstack in aktprocsym^.definition^.proccalloptions) then
|
|
|
|
- CGMessage(cg_e_parasize_too_big);
|
|
|
|
-{$endif i386}
|
|
|
|
|
|
+ g_restore_frame_pointer(list);
|
|
{ at last, the return is generated }
|
|
{ at last, the return is generated }
|
|
|
|
|
|
if not inlined then
|
|
if not inlined then
|
|
- if (po_interrupt in aktprocsym^.definition^.procoptions) then
|
|
|
|
- generate_interrupt_stackframe_exit
|
|
|
|
|
|
+ if po_interrupt in aktprocsym^.definition^.procoptions then
|
|
|
|
+ g_interrupt_stackframe_exit(list)
|
|
else
|
|
else
|
|
begin
|
|
begin
|
|
|
|
+ { parameters are limited to 65535 bytes because }
|
|
|
|
+ { ret allows only imm16 }
|
|
|
|
+ if (parasize>65535) and not(pocall_clearstack in aktprocsym^.definition^.proccalloptions) then
|
|
|
|
+ CGMessage(cg_e_parasize_too_big);
|
|
{Routines with the poclearstack flag set use only a ret.}
|
|
{Routines with the poclearstack flag set use only a ret.}
|
|
{ also routines with parasize=0 }
|
|
{ also routines with parasize=0 }
|
|
if (parasize=0) or (pocall_clearstack in aktprocsym^.definition^.proccalloptions) then
|
|
if (parasize=0) or (pocall_clearstack in aktprocsym^.definition^.proccalloptions) then
|
|
@@ -697,7 +749,7 @@ unit cgobj;
|
|
exprasmlist^.concat(new(pai386,op_const(A_RET,S_NO,parasize)));
|
|
exprasmlist^.concat(new(pai386,op_const(A_RET,S_NO,parasize)));
|
|
end;
|
|
end;
|
|
|
|
|
|
- exprasmlist^.concat(new(pai_symbol_end,initname(aktprocsym^.definition^.mangledname)));
|
|
|
|
|
|
+ list^.concat(new(pai_symbol_end,initname(aktprocsym^.definition^.mangledname)));
|
|
|
|
|
|
{$ifdef GDB}
|
|
{$ifdef GDB}
|
|
if (cs_debuginfo in aktmoduleswitches) and not inlined then
|
|
if (cs_debuginfo in aktmoduleswitches) and not inlined then
|
|
@@ -706,21 +758,21 @@ unit cgobj;
|
|
if assigned(procinfo._class) then
|
|
if assigned(procinfo._class) then
|
|
if (not assigned(procinfo.parent) or
|
|
if (not assigned(procinfo.parent) or
|
|
not assigned(procinfo.parent^._class)) then
|
|
not assigned(procinfo.parent^._class)) then
|
|
- exprasmlist^.concat(new(pai_stabs,init(strpnew(
|
|
|
|
|
|
+ list^.concat(new(pai_stabs,init(strpnew(
|
|
'"$t:v'+procinfo._class^.numberstring+'",'+
|
|
'"$t:v'+procinfo._class^.numberstring+'",'+
|
|
- tostr(N_PSYM)+',0,0,'+tostr(procinfo.esi_offset)))))
|
|
|
|
|
|
+ tostr(N_PSYM)+',0,0,'+tostr(procinfo.selfpointer_offset)))))
|
|
else
|
|
else
|
|
- exprasmlist^.concat(new(pai_stabs,init(strpnew(
|
|
|
|
|
|
+ list^.concat(new(pai_stabs,init(strpnew(
|
|
'"$t:r'+procinfo._class^.numberstring+'",'+
|
|
'"$t:r'+procinfo._class^.numberstring+'",'+
|
|
tostr(N_RSYM)+',0,0,'+tostr(GDB_i386index[R_ESI])))));
|
|
tostr(N_RSYM)+',0,0,'+tostr(GDB_i386index[R_ESI])))));
|
|
|
|
|
|
if (pdef(aktprocsym^.definition^.retdef) <> pdef(voiddef)) then
|
|
if (pdef(aktprocsym^.definition^.retdef) <> pdef(voiddef)) then
|
|
if ret_in_param(aktprocsym^.definition^.retdef) then
|
|
if ret_in_param(aktprocsym^.definition^.retdef) then
|
|
- exprasmlist^.concat(new(pai_stabs,init(strpnew(
|
|
|
|
|
|
+ list^.concat(new(pai_stabs,init(strpnew(
|
|
'"'+aktprocsym^.name+':X*'+aktprocsym^.definition^.retdef^.numberstring+'",'+
|
|
'"'+aktprocsym^.name+':X*'+aktprocsym^.definition^.retdef^.numberstring+'",'+
|
|
tostr(N_PSYM)+',0,0,'+tostr(procinfo.retoffset)))))
|
|
tostr(N_PSYM)+',0,0,'+tostr(procinfo.retoffset)))))
|
|
else
|
|
else
|
|
- exprasmlist^.concat(new(pai_stabs,init(strpnew(
|
|
|
|
|
|
+ list^.concat(new(pai_stabs,init(strpnew(
|
|
'"'+aktprocsym^.name+':X'+aktprocsym^.definition^.retdef^.numberstring+'",'+
|
|
'"'+aktprocsym^.name+':X'+aktprocsym^.definition^.retdef^.numberstring+'",'+
|
|
tostr(N_PSYM)+',0,0,'+tostr(procinfo.retoffset)))));
|
|
tostr(N_PSYM)+',0,0,'+tostr(procinfo.retoffset)))));
|
|
|
|
|
|
@@ -740,9 +792,8 @@ unit cgobj;
|
|
+aktprocsym^.definition^.mangledname+'_end'))));}
|
|
+aktprocsym^.definition^.mangledname+'_end'))));}
|
|
end;
|
|
end;
|
|
{$endif GDB}
|
|
{$endif GDB}
|
|
- exprasmlist:=oldexprasmlist;
|
|
|
|
-
|
|
|
|
end;
|
|
end;
|
|
|
|
+
|
|
{*****************************************************************************
|
|
{*****************************************************************************
|
|
some abstract definitions
|
|
some abstract definitions
|
|
****************************************************************************}
|
|
****************************************************************************}
|
|
@@ -760,43 +811,55 @@ unit cgobj;
|
|
abstract;
|
|
abstract;
|
|
end;
|
|
end;
|
|
|
|
|
|
- procedure tcg.a_load_const8_ref(list : paasmoutput;b : byte;const ref : treference);
|
|
|
|
|
|
+ procedure tcg.a_load_const_ref(list : paasmoutput;a : aword;const ref : treference);
|
|
|
|
|
|
begin
|
|
begin
|
|
abstract;
|
|
abstract;
|
|
end;
|
|
end;
|
|
|
|
|
|
- procedure tcg.a_load_const16_ref(list : paasmoutput;w : word;const ref : treference);
|
|
|
|
|
|
+ procedure tcg.g_stackframe_entry(list : paasmoutput;localsize : longint);
|
|
|
|
|
|
begin
|
|
begin
|
|
abstract;
|
|
abstract;
|
|
end;
|
|
end;
|
|
|
|
|
|
- procedure tcg.a_load_const32_ref(list : paasmoutput;l : longint;const ref : treference);
|
|
|
|
|
|
+ procedure tcg.g_maybe_loadself(list : paasmoutput);
|
|
|
|
|
|
begin
|
|
begin
|
|
abstract;
|
|
abstract;
|
|
end;
|
|
end;
|
|
|
|
|
|
- procedure tcg.a_load_const64_ref(list : paasmoutput;q : qword;const ref : treference);
|
|
|
|
|
|
+ procedure tcg.g_restore_frame_pointer(list : paasmoutput);
|
|
|
|
|
|
begin
|
|
begin
|
|
abstract;
|
|
abstract;
|
|
end;
|
|
end;
|
|
|
|
|
|
- procedure tcg.g_stackframe_entry(list : paasmoutput;localsize : longint);
|
|
|
|
|
|
+ procedure tcg.a_loadaddress_ref_reg(list : paasmoutput;ref : treference;r : tregister);
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begin
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begin
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abstract;
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abstract;
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end;
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end;
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- procedure tcg.g_maybe_loadself(list : paasmoutput);
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+ procedure tcg.g_push_exception_value_reg(list : paasmoutput;reg : tregister);
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begin
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begin
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abstract;
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abstract;
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end;
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end;
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- procedure tcg.a_loadaddress_ref_reg(list : paasmoutput;ref : treference;r : tregister);
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+ procedure tcg.g_push_exception_value_const(list : paasmoutput;reg : tregister);
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+
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+ begin
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+ abstract;
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+ end;
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+
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+ procedure g_pop_exception_value_reg(list : paasmoutput;reg : tregister);
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+
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+ begin
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+ abstract;
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+ end;
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+
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+ procedure a_param_ref(list : paasmoutput;const r : treference;nr : longint);virtual;
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begin
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begin
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abstract;
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abstract;
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@@ -805,7 +868,10 @@ unit cgobj;
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end.
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end.
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{
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{
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$Log$
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$Log$
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- Revision 1.12 1999-08-05 17:10:56 florian
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+ Revision 1.13 1999-08-06 13:26:50 florian
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+ * more changes ...
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+
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+ Revision 1.12 1999/08/05 17:10:56 florian
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* some more additions, especially procedure
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* some more additions, especially procedure
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exit code generation
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exit code generation
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