diff options
Diffstat (limited to 'acid/amd64')
| -rw-r--r-- | acid/amd64 | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/acid/amd64 b/acid/amd64 new file mode 100644 index 00000000..09bc4eb8 --- /dev/null +++ b/acid/amd64 @@ -0,0 +1,247 @@ +// 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 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); |