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#ifndef HEXUTIL_GDB_H_
#define HEXUTIL_GDB_H_
#ifdef __cplusplus
extern "C"
{
#endif
#include <stdint.h>
namespace melonDS
{
inline static uint8_t hex2nyb(uint8_t v)
{
if (v >= '0' && v <= '9') return v - '0';
else if (v >= 'A' && v <= 'F') return v - 'A' + 0xa;
else if (v >= 'a' && v <= 'f') return v - 'a' + 0xa;
else
{
__builtin_trap();
return 0xcc;
}
}
inline static uint8_t nyb2hex(uint8_t v)
{
v &= 0xf;
if (v >= 0xa) return v - 0xa + 'a';
else return v - 0x0 + '0';
}
inline static void hexfmt8(uint8_t* dst, uint8_t v)
{
dst[0] = nyb2hex(v>>4);
dst[1] = nyb2hex(v>>0);
}
inline static uint8_t unhex8(const uint8_t* src)
{
return (hex2nyb(src[0]) << 4) | hex2nyb(src[1]);
}
inline static void hexfmt16(uint8_t* dst, uint16_t v)
{
dst[0] = nyb2hex(v>> 4);
dst[1] = nyb2hex(v>> 0);
dst[2] = nyb2hex(v>>12);
dst[3] = nyb2hex(v>> 8);
}
inline static uint16_t unhex16(const uint8_t* src)
{
return unhex8(&src[0*2]) | ((uint16_t)unhex8(&src[1*2]) << 8);
}
inline static void hexfmt32(uint8_t* dst, uint32_t v)
{
for (size_t i = 0; i < 4; ++i, v >>= 8)
{
dst[2*i+0] = nyb2hex(v>>4);
dst[2*i+1] = nyb2hex(v>>0);
}
}
inline static uint32_t unhex32(const uint8_t* src)
{
uint32_t v = 0;
for (size_t i = 0; i < 4; ++i)
{
v |= (uint32_t)unhex8(&src[i*2]) << (i*8);
}
return v;
}
#ifdef __cplusplus
}
#endif
}
#endif
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