thumb2 and stuff

1 files changed, 69 insertions, 0 deletions

diff --git a/test/test-td-simple.c b/test/test-td-simple.c
new file mode 100644
index 0000000..9844fbd
--- /dev/null
+++ b/test/test-td-simple.c
@@ -0,0 +1,69 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "dis.h"
+
+typedef struct { bool modify; } tdis_ret;
+typedef struct tc {
+    uint32_t pc;
+    uint32_t op;
+    uint32_t newop;
+    uint32_t newval[4];
+
+} *tdis_ctx;
+#define P(x) P_##x
+
+NOINLINE UNUSED
+static tdis_ret P_data(struct tc *ctx, unsigned o0, unsigned o1, unsigned o2, unsigned o3, unsigned out_mask) {
+    printf("data: %08x\n", ctx->op);
+    unsigned os[] = {o0, o1, o2, o3};
+    for(size_t i = 0; i < 4; i++) {
+        unsigned val = os[i];
+        if(val == -1u)
+            break;
+        printf("    reg %x: %s\n", val, out_mask & (1 << i) ? "out" : "in");
+        ctx->newval[i] = i;
+    }
+    return (tdis_ret) {true};
+}
+
+NOINLINE UNUSED
+static tdis_ret P_pcrel(struct tc *ctx, UNUSED uint32_t dpc, UNUSED unsigned reg, UNUSED bool is_load) {
+    printf("adr: %08x\n", ctx->op);
+    return (tdis_ret) {false};
+}
+
+NOINLINE UNUSED
+static tdis_ret P_ret(struct tc *ctx) {
+    printf("ret: %08x\n", ctx->op);
+    return (tdis_ret) {false};
+}
+
+NOINLINE UNUSED
+static tdis_ret P_branch(struct tc *ctx, UNUSED uint32_t dpc) {
+    printf("branch: %08x\n", ctx->op);
+    return (tdis_ret) {false};
+}
+
+NOINLINE UNUSED
+static tdis_ret P_unidentified(struct tc *ctx) {
+    printf("unidentified: %08x\n", ctx->op);
+    return (tdis_ret) {false};
+}
+
+NOINLINE UNUSED
+static tdis_ret P_bad(struct tc *ctx) {
+    printf("bad: %08x\n", ctx->op);
+    return (tdis_ret) {false};
+}
+
+#include HDR
+
+int main(UNUSED int argc, char **argv) {
+    struct tc ctx;
+    ctx.pc = 0xdead0000;
+    ctx.op = (uint32_t) strtoll(argv[1] ? argv[1] : "deadbeef", NULL, 16);
+    PDIS(&ctx);
+    printf("==> %x\n", ctx.newop);
+
+}