C++ (Cpp) __gdb_setup_reg_op Examples

Example #1

File: gdbstub_vmm.c Project: my33love/ramooflax

static void gdb_vmm_wr_sysreg(uint8_t *data, size_t len)
{
   raw64_t  *reg, value;
   size_t   size;

   if(!__gdb_setup_reg_op(data, len, &reg, &size, &value, 1, 1))
   {
      debug(GDBSTUB_CMD, "write sysreg failed\n");
      return;
   }

   if(reg == (raw64_t*)&__cr0 && __resolve_cr0_wr((cr0_reg_t*)&value) == VM_FAIL)
      goto __err;
   else if(reg == (raw64_t*)&__cr3 && __resolve_cr3_wr((cr3_reg_t*)&value) == VM_FAIL)
      goto __err;
   else if(reg == (raw64_t*)&__cr4 && __resolve_cr4_wr((cr4_reg_t*)&value) == VM_FAIL)
      goto __err;
   else
      reg->raw = value.raw;

   gdb_ok();
   return;

__err:
   debug(GDBSTUB_CMD, "invalid wr to control register\n");
   gdb_err_inv();
}

Example #2

File: gdbstub_cmd.c Project: clflush/ramooflax

static void gdb_cmd_rd_reg(uint8_t *data, size_t len)
{
   raw64_t *reg;
   size_t  size;

   if(!__gdb_setup_reg_op(data, len, &reg, &size, 0, 0, 0))
      return;

   size *= 2; /* to nibbles */
   gdb_add_number(reg->raw, size, 1);
   gdb_send_packet();
}

Example #3

File: gdbstub_vmm.c Project: my33love/ramooflax

static void gdb_vmm_rd_sysreg(uint8_t *data, size_t len)
{
   raw64_t *reg;
   size_t  size;

   if(!__gdb_setup_reg_op(data, len, &reg, &size, 0, 0, 1))
   {
      debug(GDBSTUB_CMD, "read sysreg failed\n");
      return;
   }

   size *= 2; /* to nibbles */
   gdb_add_number(reg->raw, size, 1);
   gdb_send_packet();
}

Example #4

File: gdbstub_cmd.c Project: clflush/ramooflax

static void gdb_cmd_wr_reg(uint8_t *data, size_t len)
{
   raw64_t  *reg, value;
   size_t   size;

   if(!__gdb_setup_reg_op(data, len, &reg, &size, &value, 1, 0))
      return;

   switch(size)
   {
   case 2: reg->wlow = value.wlow; break;
   case 4: reg->low  = value.low;  break;
   case 8: reg->raw  = value.raw;  break;
   }

   gdb_ok();
}