You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

115 lines
3.1 KiB

/* BEGIN_LEGAL
Copyright (c) 2021 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
END_LEGAL */
#include "xed/xed-interface.h"
#include "xed/xed-enc2-m64-a64.h"
#include <stdio.h>
#include <stdlib.h>
static xed_uint32_t test_push_reg(xed_uint8_t* output_buffer,
xed_reg_enum_t reg)
{
xed_enc2_req_t request;
xed_enc2_req_t_init(&request, output_buffer);
xed_enc_push_r64(&request,reg);
return xed_enc2_encoded_length(&request);
}
static xed_uint32_t test_push_reg_short(xed_uint8_t* output_buffer,
xed_reg_enum_t reg)
{
xed_enc2_req_t request;
xed_enc2_req_t_init(&request, output_buffer);
xed_enc_push_r64_vr1(&request,reg);
return xed_enc2_encoded_length(&request);
}
static void disassemble(xed_decoded_inst_t* xedd)
{
xed_bool_t ok;
xed_print_info_t pi;
#define XBUFLEN 200
char buf[XBUFLEN];
xed_init_print_info(&pi);
pi.p = xedd;
pi.blen = XBUFLEN;
pi.buf = buf;
pi.buf[0]=0; //allow use of strcat
ok = xed_format_generic(&pi);
if (ok)
printf("Disassembly: %s\n", buf);
else
printf("Disassembly: %%ERROR%%\n");
}
static int decode(xed_uint8_t* buf, xed_uint32_t len) {
xed_decoded_inst_t xedd;
xed_error_enum_t err;
xed_state_t dstate;
static int first = 1;
if (first) {
xed_tables_init();
first = 0;
}
xed_state_zero(&dstate);
dstate.mmode=XED_MACHINE_MODE_LONG_64;
xed_decoded_inst_zero_set_mode(&xedd, &dstate);
err = xed_decode(&xedd, buf, len);
if (err == XED_ERROR_NONE) {
disassemble(&xedd);
return 0;
}
printf("ERROR: %s\n", xed_error_enum_t2str(err));
return 1;
}
static void dump(xed_uint8_t* buf, xed_uint32_t len) {
xed_uint_t i;
for(i=0;i<len;i++)
printf("%02x ",buf[i]);
}
int main(int argc, char** argv) {
xed_uint8_t output_buffer[XED_MAX_INSTRUCTION_BYTES];
xed_uint32_t enclen;
int retval=0, r=0,i=0;
xed_reg_enum_t reg=XED_REG_INVALID;
for(i=0;i<2;i++) {
for (reg = XED_REG_RAX; reg<=XED_REG_R15; reg++) {
if (i==0)
enclen = test_push_reg_short(output_buffer,reg);
else
enclen = test_push_reg(output_buffer,reg);
printf("Encoded: ");
dump(output_buffer, enclen);
printf("\n");
r = decode(output_buffer, enclen);
retval += r;
printf("decode returned %d\n\n",r);
}
}
return retval;
(void)argc; (void)argv;
}