static void set_sw_breakpoint(struct context *ctx,
const struct dbg_request* req)
{
struct breakpoint* bp = sys_malloc_zero(sizeof(*bp));
byte* orig_data_ptr;
assert(sizeof(int_3_insn) == req->mem.len);
bp->addr = req->mem.addr;
orig_data_ptr = read_child_data(ctx, 1, bp->addr);
bp->overwritten_data = *orig_data_ptr;
sys_free((void**)&orig_data_ptr);
write_child_data_n(ctx->child_tid,
sizeof(int_3_insn), bp->addr, &int_3_insn);
add_breakpoint(bp);
}
void memcpy_child(struct context *ctx, void *dest, void *src, int size)
{
void *tmp = read_child_data(ctx, size, src);
write_child_data(ctx, size, dest, tmp);
free(tmp);
}