// 386 support defn acidinit() // Called after all the init modules are loaded { bplist = {}; bpfmt = 'b'; srcpath = { "./", "/sys/src/libc/port/", "/sys/src/libc/9sys/", "/sys/src/libc/386/" }; srcfiles = {}; // list of loaded files srctext = {}; // the text of the files } defn linkreg(addr) { return 0; } defn stk() // trace { _stk(*PC, *SP, 0, 0); } defn lstk() // trace with locals { _stk(*PC, *SP, 0, 1); } defn gpr() // print general(hah hah!) purpose registers { print("AX\t", *AX, " BX\t", *BX, " CX\t", *CX, " DX\t", *DX, "\n"); print("DI\t", *DI, " SI\t", *SI, " BP\t", *BP, "\n"); } defn spr() // print special processor registers { local pc; local cause; pc = *PC; print("PC\t", pc, " ", fmt(pc, 'a'), " "); pfl(pc); print("SP\t", *SP, " ECODE ", *ECODE, " EFLAG ", *EFLAGS, "\n"); print("CS\t", *CS, " DS\t ", *DS, " SS\t", *SS, "\n"); print("GS\t", *GS, " FS\t ", *FS, " ES\t", *ES, "\n"); cause = *TRAP; print("TRAP\t", cause, " ", reason(cause), "\n"); } defn regs() // print all registers { spr(); gpr(); } defn fpr() { print("F0\t", *F0, "\n"); print("F1\t", *F1, "\n"); print("F2\t", *F2, "\n"); print("F3\t", *F3, "\n"); print("F4\t", *F4, "\n"); print("F5\t", *F5, "\n"); print("F6\t", *F6, "\n"); print("F7\t", *F7, "\n"); print("control\t", *fmt(E0, 'x'), "\n"); print("status\t", *fmt(E1, 'x'), "\n"); print("tag\t", *fmt(E2, 'x'), "\n"); print("ip offset\t", *fmt(E3, 'X'), "\n"); print("cs selector\t", *fmt(E4, 'x'), "\n"); print("opcode\t", *fmt(E4>>8, 'x'), "\n"); print("data operand offset\t", *fmt(E5, 'x'), "\n"); print("operand selector\t", *fmt(E6, 'x'), "\n"); } defn mmregs() { print("MM0\t", *MM0, " MM1\t", *MM1, "\n"); print("MM2\t", *MM2, " MM3\t", *MM3, "\n"); print("MM4\t", *MM4, " MM5\t", *MM5, "\n"); print("MM6\t", *MM6, " MM7\t", *MM7, "\n"); } defn pstop(pid) { local l; local pc; pc = *PC; print(pid,": ", reason(*TRAP), "\t"); print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n"); if notes then { if notes[0] != "sys: breakpoint" then { print("Notes pending:\n"); l = notes; while l do { print("\t", head l, "\n"); l = tail l; } } } } aggr Ureg { 'U' 0 di; 'U' 4 si; 'U' 8 bp; 'U' 12 nsp; 'U' 16 bx; 'U' 20 dx; 'U' 24 cx; 'U' 28 ax; 'U' 32 gs; 'U' 36 fs; 'U' 40 es; 'U' 44 ds; 'U' 48 trap; 'U' 52 ecode; 'U' 56 pc; 'U' 60 cs; 'U' 64 flags; { 'U' 68 usp; 'U' 68 sp; }; 'U' 72 ss; }; defn Ureg(addr) { complex Ureg addr; print(" di ", addr.di, "\n"); print(" si ", addr.si, "\n"); print(" bp ", addr.bp, "\n"); print(" nsp ", addr.nsp, "\n"); print(" bx ", addr.bx, "\n"); print(" dx ", addr.dx, "\n"); print(" cx ", addr.cx, "\n"); print(" ax ", addr.ax, "\n"); print(" gs ", addr.gs, "\n"); print(" fs ", addr.fs, "\n"); print(" es ", addr.es, "\n"); print(" ds ", addr.ds, "\n"); print(" trap ", addr.trap, "\n"); print(" ecode ", addr.ecode, "\n"); print(" pc ", addr.pc, "\n"); print(" cs ", addr.cs, "\n"); print(" flags ", addr.flags, "\n"); print(" sp ", addr.sp, "\n"); print(" ss ", addr.ss, "\n"); }; sizeofUreg = 76; print("/sys/lib/acid/386");