binary_output.h

 
#ifndef BACKENDS_TOFINO_BF_ASM_BINARY_OUTPUT_H_
#define BACKENDS_TOFINO_BF_ASM_BINARY_OUTPUT_H_
 
#include <iomanip>
#include <iostream>
 
namespace binout {
 
class tag {
    char data[4] = {0, 0, 0, 0};
 
 public:
    tag(char ch) { data[3] = ch; }  // NOLINT(runtime/explicit)
    friend std::ostream &operator<<(std::ostream &out, const tag &e) {
        return out.write(e.data, 4);
    }
};
 
class byte4 {
    char data[4];
 
 public:
    byte4(uint32_t v) {  // NOLINT(runtime/explicit)
        data[0] = v & 0xff;
        data[1] = (v >> 8) & 0xff;
        data[2] = (v >> 16) & 0xff;
        data[3] = (v >> 24) & 0xff;
    }
    friend std::ostream &operator<<(std::ostream &out, const byte4 &e) {
        return out.write(e.data, 4);
    }
};
 
class byte8 {
    char data[8];
 
 public:
    byte8(uint64_t v) {  // NOLINT(runtime/explicit)
        data[0] = v & 0xff;
        data[1] = (v >> 8) & 0xff;
        data[2] = (v >> 16) & 0xff;
        data[3] = (v >> 24) & 0xff;
        data[4] = (v >> 32) & 0xff;
        data[5] = (v >> 40) & 0xff;
        data[6] = (v >> 48) & 0xff;
        data[7] = (v >> 56) & 0xff;
    }
    friend std::ostream &operator<<(std::ostream &out, const byte8 &e) {
        return out.write(e.data, 8);
    }
};
 
}  // end namespace binout
 
#endif /* BACKENDS_TOFINO_BF_ASM_BINARY_OUTPUT_H_ */