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111 lines
2.5 KiB
111 lines
2.5 KiB
3 years ago
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/* BEGIN_LEGAL
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Copyright (c) 2021 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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END_LEGAL */
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// to avoid empty compilation unit on no-decoder compiles
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#include "xed/xed-interface.h"
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#if defined(XED_DECODER)
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#include "xed-examples-util.h"
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#include "xed-disas-hex.h"
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#include <stdlib.h>
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#include <assert.h>
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static FILE*
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open_file(char const* const path, char const* const mode)
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{
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FILE* f;
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#if defined(XED_MSVC8_OR_LATER) && !defined(PIN_CRT)
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errno_t err;
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err = fopen_s(&f,path, mode);
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#else
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int err=0;
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f = fopen(path, mode);
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err = (f==0);
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#endif
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if (err) {
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fprintf(stderr, "Could not open file: %s\n", path);
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exit(1);
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}
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return f;
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}
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static int read_byte(FILE* f, xed_uint8_t* b) {
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int r;
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unsigned int i;
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#if defined(_WIN32) && !defined(PIN_CRT)
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r = fscanf_s(f,"%2x", &i);
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#else
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r = fscanf(f,"%2x", &i);
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#endif
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if (b)
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*b = (xed_uint8_t)i;
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return r;
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}
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void
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xed_disas_hex(xed_disas_info_t* fi)
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{
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xed_uint8_t* region = 0;
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unsigned int len = 0;
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unsigned int i = 0;
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xed_uint8_t b = 0;
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FILE* f = 0;
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// read file once to get length
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f = open_file(fi->input_file_name, "r");
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while (read_byte(f,0) != -1)
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{
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len++;
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}
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fclose(f);
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region = (xed_uint8_t*) malloc(len);
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if (region == 0) {
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fprintf(stderr,"ERROR: Could not malloc region for hex file\n");
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exit(1);
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}
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// read file again to read the bytes
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f = open_file(fi->input_file_name, "r");
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while (read_byte(f,&b) != -1)
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{
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assert(i < len);
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region[i++] = b;
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}
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fclose(f);
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assert(i==len);
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fi->s = (unsigned char*)region;
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fi->a = (unsigned char*)region;
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fi->q = (unsigned char*)(region) + len; // end of region
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fi->runtime_vaddr = 0;
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fi->runtime_vaddr_disas_start = 0;
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fi->runtime_vaddr_disas_end = 0;
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fi->symfn = 0;
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fi->caller_symbol_data = 0;
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fi->line_number_info_fn = 0;
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xed_disas_test(fi);
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if (fi->xml_format == 0)
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xed_print_decode_stats(fi);
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}
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#endif
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