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https://gitlab.os-k.eu/os-k-team/kvisc.git
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125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#include <pc/arch.h>
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char *cond_suffixes[] =
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{
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"-",
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"c", "o", "z", "s", "p",
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"a", "ae", "b", "be",
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"g", "ge", "l", "le",
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"cxz",
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"?"
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};
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static void dump_acc(ctx_t *ctx, acc_t *p)
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{
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uint mfmt;
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if (p->type == A_REG)
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log("%s", ctx->r[p->reg].name);
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else if (p->type == A_IMM64)
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{
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if (p->val < 0xA)
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log("%lu", p->val);
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else
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log("0x%lX", p->val);
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}
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else
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{
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log("%c[", getmempref(p->mlen));
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mfmt = p->type & AM_MFMT_MASK;
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if (mfmt == AM_IMM64)
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log("0x%lX]", p->addr);
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else if (mfmt == AM_RR)
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{
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if (p->reg1 && p->reg2)
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log("%s+%s]", ctx->r[p->reg1].name, ctx->r[p->reg2].name);
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else log("%s]", ctx->r[p->reg1 ? p->reg1 : p->reg2].name);
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}
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else if (mfmt == AM_RRI)
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{
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if (p->reg1 && p->reg2)
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log("%s+%s+%hd]", ctx->r[p->reg1].name,
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ctx->r[p->reg2].name, p->imm2);
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else log("%s+%d]", ctx->r[p->reg1 ? p->reg1 : p->reg2].name, p->imm2);
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}
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else if (mfmt == AM_RRII)
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{
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if (p->reg1)
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log("%s+%s*%u+%hd]",
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ctx->r[p->reg1].name,
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ctx->r[p->reg2].name,
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p->imm1, p->imm2);
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else
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log("%s*%u+%hd]",
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ctx->r[p->reg2].name,
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p->imm1, p->imm2);
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}
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}
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}
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void dump_instr(ctx_t *ctx,
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instr_t *in,
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acc_t *p1,
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acc_t *p2,
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bool lock,
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bool rep,
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uint cond,
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ulong pc)
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{
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log("0x%lX: ", pc);
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if (lock)
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log("lock");
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if (rep)
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log(" rep");
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if (cond)
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{
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log(".");
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if (cond & (1 << 4))
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{
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cond &= ~(1 << 4);
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log("n");
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}
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assert(cond <= sizeof(cond_suffixes)/sizeof(char *));
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log("%s", cond_suffixes[cond]);
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}
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if (!rep)
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log("\t\t");
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else
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log("\t");
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log("%s\t", in->name);
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if (p1) {
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dump_acc(ctx, p1);
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if (p2) {
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log(", ");
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dump_acc(ctx, p2);
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}
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}
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log("\n");
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}
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