// 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/amd64/" }; srcfiles = {}; // list of loaded files srctext = {}; // the text of the files } defn linkreg(addr) { return {}; } defn stk() // trace { _stk({"PC", *PC, "SP", *SP}, 0); } defn lstk() // trace with locals { _stk({"PC", *PC, "SP", *SP}, 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"); print("R8\t", *R8, " R9\t", *R9, " R10\t", *R10, " R11\t", *R11, "\n"); print("R12\t", *R12, " R13\t", *R13, " R14\t", *R14, " R15\t", *R15, "\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, " FLAGS ", *FLAGS, "\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 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 pfixstop(pid) { if *fmt(*PC-1, 'b') == 0xCC then { // Linux stops us after the breakpoint, not at it *PC = *PC-1; } } defn pstop(pid) { local l; local pc; local why; pc = *PC; // FIgure out why we stopped. if *fmt(pc, 'b') == 0xCC then { why = "breakpoint"; // fix up instruction for print; will put back later *pc = @pc; } else if *(pc-2\x) == 0x80CD then { pc = pc-2; why = "system call"; } else why = "stopped"; if printstopped then { print(pid,": ", why, "\t"); print(fmt(pc, 'a'), "\t", *fmt(pc, 'i'), "\n"); } if why == "breakpoint" then *fmt(pc, bpfmt) = bpinst; if printstopped && 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 { 'Y' 0 ax; 'Y' 8 bx; 'Y' 16 cx; 'Y' 24 dx; 'Y' 32 si; 'Y' 40 di; 'Y' 48 bp; 'Y' 56 r8; 'Y' 64 r9; 'Y' 72 r10; 'Y' 80 r11; 'Y' 88 r12; 'Y' 96 r13; 'Y' 104 r14; 'Y' 112 r15; 'u' 120 ds; 'u' 122 es; 'u' 124 fs; 'u' 126 gs; 'Y' 128 type; 'Y' 136 error; 'Y' 144 pc; 'Y' 152 cs; 'Y' 160 flags; 'Y' 168 sp; 'Y' 176 ss; }; defn Ureg(addr) { complex Ureg addr; print(" ax ", addr.ax, "\n"); print(" bx ", addr.bx, "\n"); print(" cx ", addr.cx, "\n"); print(" dx ", addr.dx, "\n"); print(" si ", addr.si, "\n"); print(" di ", addr.di, "\n"); print(" bp ", addr.bp, "\n"); print(" r8 ", addr.r8, "\n"); print(" r9 ", addr.r9, "\n"); print(" r10 ", addr.r10, "\n"); print(" r11 ", addr.r11, "\n"); print(" r12 ", addr.r12, "\n"); print(" r13 ", addr.r13, "\n"); print(" r14 ", addr.r14, "\n"); print(" r15 ", addr.r15, "\n"); print(" ds ", addr.ds, "\n"); print(" es ", addr.es, "\n"); print(" fs ", addr.fs, "\n"); print(" gs ", addr.gs, "\n"); print(" type ", addr.type, "\n"); print(" error ", addr.error, "\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 = 184; aggr freebsd_amd64_siginfo { 'X' 0 signo; 'X' 4 errno; 'X' 8 code; 'X' 12 pid; 'X' 16 uid; 'X' 20 status; 'Y' 24 addr; 'Y' 32 sigval; 's' 40 reason; }; defn freebsd_amd64_siginfo(addr) { complex freebsd_amd64_siginfo addr; print(" signo ", addr.signo, "\n"); print(" errno ", addr.errno, "\n"); print(" code ", addr.code, "\n"); print(" pid ", addr.pid, "\n"); print(" uid ", addr.uid, "\n"); print(" status ", addr.status, "\n"); print(" addr ", addr.addr, "\n"); print(" sigval ", addr.sigval, "\n"); }; aggr freebsd_amd64_ucontext { 'X' 0 sigmask0; 'X' 4 sigmask1; 'X' 8 sigmask2; 'X' 12 sigmask3; 'Y' 16 onstack; 'Y' 24 rdi; 'Y' 32 rsi; 'Y' 40 rdx; 'Y' 48 rcx; 'Y' 56 r8; 'Y' 64 r9; 'Y' 72 rax; 'Y' 80 rbx; 'Y' 88 rbp; 'Y' 96 r10; 'Y' 104 r11; 'Y' 112 r12; 'Y' 120 r13; 'Y' 128 r14; 'Y' 136 r15; 'X' 144 trapno; 'x' 148 fs; 'x' 150 gs; 'Y' 152 addr; 'X' 160 flags; 'x' 164 es; 'x' 166 ds; 'Y' 168 err; 'Y' 176 rip; 'Y' 184 cs; 'Y' 192 rflags; 'Y' 200 rsp; 'Y' 208 ss; 'Y' 216 len; 'Y' 224 fpformat; 'Y' 232 ownedfp; 'Y' 240 fpstate0; 'Y' 752 fsbase; 'Y' 760 gsbase; }; defn freebsd_amd64_ucontext(addr) { complex freebsd_amd64_ucontext addr; print(" sigmask0 ", addr.sigmask0, "\n"); print(" sigmask1 ", addr.sigmask1, "\n"); print(" sigmask2 ", addr.sigmask2, "\n"); print(" sigmask3 ", addr.sigmask3, "\n"); print(" onstack ", addr.onstack, "\n"); print(" rdi ", addr.rdi, "\n"); print(" rsi ", addr.rsi, "\n"); print(" rdx ", addr.rdx, "\n"); print(" rcx ", addr.rcx, "\n"); print(" r8 ", addr.r8, "\n"); print(" r9 ", addr.r9, "\n"); print(" rax ", addr.rax, "\n"); print(" rbx ", addr.rbx, "\n"); print(" rbp ", addr.rbp, "\n"); print(" r10 ", addr.r10, "\n"); print(" r11 ", addr.r11, "\n"); print(" r12 ", addr.r12, "\n"); print(" r13 ", addr.r13, "\n"); print(" r14 ", addr.r14, "\n"); print(" r15 ", addr.r15, "\n"); print(" trapno ", addr.trapno, "\n"); print(" fs ", addr.fs, "\n"); print(" gs ", addr.gs, "\n"); print(" addr ", addr.addr, "\n"); print(" flags ", addr.flags, "\n"); print(" es ", addr.es, "\n"); print(" ds ", addr.ds, "\n"); print(" err ", addr.err, "\n"); print(" rip ", addr.rip, "\n"); print(" cs ", addr.cs, "\n"); print(" rflags ", addr.rflags, "\n"); print(" rsp ", addr.rsp, "\n"); print(" ss ", addr.ss, "\n"); print(" len ", addr.len, "\n"); print(" fpformat ", addr.fpformat, "\n"); print(" ownedfp ", addr.ownedfp, "\n"); print(" fpstate0 ", addr.fpstate0, "\n"); print(" fsbase ", addr.fsbase, "\n"); print(" gsbase ", addr.gsbase, "\n"); } // aggr Linkdebug // { // 'X' 0 version; // 'X' 4 map; // }; // // aggr Linkmap // { // 'X' 0 addr; // 'X' 4 name; // 'X' 8 dynsect; // 'X' 12 next; // 'X' 16 prev; // }; // // defn // linkdebug() // { // local a; // // if !havesymbol("_DYNAMIC") then // return 0; // // a = _DYNAMIC; // while *a != 0 do { // if *a == 21 then // 21 == DT_DEBUG // return *(a+4); // a = a+8; // } // return 0; // } // // defn // dynamicmap() // { // if systype == "linux" || systype == "freebsd" then { // local r, m, n; // // r = linkdebug(); // if r then { // complex Linkdebug r; // m = r.map; // n = 0; // while m != 0 && n < 100 do { // complex Linkmap m; // if m.name && *(m.name\b) && access(*(m.name\s)) then // print("textfile({\"", *(m.name\s), "\", ", m.addr\X, "});\n"); // m = m.next; // n = n+1; // } // } // } // } // */ defn acidmap() { // dynamicmap(); acidtypes(); } print(acidfile);