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/************************************************************************* | |
> File Name: bin2obj.c | |
> Author: weijie.yuan | |
> Mail: yuanweijie1993@gmail.com | |
> Created Time: Tue 23 Jul 2019 03:59:31 PM CST | |
************************************************************************/ | |
#include <stdio.h> | |
#include <elf.h> | |
/************************************************************************* | |
$ gcc -c bin2obj.c -o bin2obj.o # check format and architecture | |
$ objcopy -I binary -O elf64-x86-64 -B i386:x86-64 nhxc.wav audio.o | |
$ objdump -x audio.o | |
$ gcc -c bin2obj.c -o bin2obj.o | |
$ g++ bin2obj.o audio.o -o bin2obj | |
$ ./bin2obj | |
************************************************************************/ | |
extern _binary_nhxc_wav_start; | |
extern _binary_nhxc_wav_end; | |
extern _binary_nhxc_wav_size; | |
int main() { | |
printf("binary to object:\n"); | |
printf("elf head: %ld\n", sizeof(Elf64_Ehdr)); | |
printf("_binary_nhxc_wav_size: %p\n_binary_nhxc_wav_end: %p\n_binary_nhxc_wav_size: %p\n", &_binary_nhxc_wav_start, &_binary_nhxc_wav_end, &_binary_nhxc_wav_size); | |
unsigned char * audio_buf = (unsigned char *)&_binary_nhxc_wav_start; | |
unsigned long size = (unsigned long)&_binary_nhxc_wav_size; | |
FILE *fp = fopen("./out.wav", "wb"); | |
if (!fp) { | |
fprintf(stderr, "fopen failed!\n"); | |
return -1; | |
} | |
fwrite(audio_buf, size, 1, fp); | |
fclose(fp); | |
return 0; | |
} |