ref: c8b187f9db503465460d8bafa2d7a758bbcf59ca
dir: /libinterp/conv.c/
#include "lib9.h" #include "isa.h" #include "interp.h" #include "mathi.h" enum { TOKI0, TOKI1, TOKI2, TOKI3, TOKSB, TOKFP }; #include "tab.h" typedef struct Addr Addr; struct Addr { uchar mode; Adr a; }; #pragma varargck type "a" Addr* char* opnam[256]; int iconv(Fmt*); int aconv(Fmt*); int aconv(Fmt *f) { Addr *a; char buf[64]; a = va_arg(f->args, Addr*); if(a == nil) return fmtstrcpy(f, "AZ"); switch(a->mode & AMASK) { case AFP: sprint(buf, "%zd(fp)", a->a.ind); break; case AMP: sprint(buf, "%zd(mp)", a->a.ind); break; case AIMM: sprint(buf, "$%zd", a->a.imm); break; case AIND|AFP: sprint(buf, "%d(%d(fp))", a->a.i.s, a->a.i.f); break; case AIND|AMP: sprint(buf, "%d(%d(mp))", a->a.i.s, a->a.i.f); break; } return fmtstrcpy(f, buf); } int Dconv(Fmt *f) { int j; Inst *i; Addr s, d; char buf[128]; static int init; if(init == 0) { for(j = 0; keywds[j].name != nil; j++) opnam[keywds[j].op] = keywds[j].name; fmtinstall('a', aconv); init = 1; } i = va_arg(f->args, Inst*); if(i == nil) return fmtstrcpy(f, "IZ"); switch(keywds[i->op].terminal) { case TOKI0: sprint(buf, "%s", opnam[i->op]); break; case TOKI1: d.a = i->d; d.mode = UDST(i->add); sprint(buf, "%s\t%a", opnam[i->op], &d); break; case TOKI3: d.a = i->d; d.mode = UDST(i->add); s.a = i->s; s.mode = USRC(i->add); switch(i->add&ARM) { default: sprint(buf, "%s\t%a, %a", opnam[i->op], &s, &d); break; case AXIMM: sprint(buf, "%s\t%a, $%d, %a", opnam[i->op], &s, i->reg, &d); break; case AXINF: sprint(buf, "%s\t%a, %d(fp), %a", opnam[i->op], &s, i->reg, &d); break; case AXINM: sprint(buf, "%s\t%a, %d(mp), %a", opnam[i->op], &s, i->reg, &d); break; } break; case TOKI2: d.a = i->d; d.mode = UDST(i->add); s.a = i->s; s.mode = USRC(i->add); sprint(buf, "%s\t%a, %a", opnam[i->op], &s, &d); break; } return fmtstrcpy(f, buf); }