mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 07:39:56 -06:00
346dd4006e
* Reorganize namespaces - Most types are now moved into the `melonDS` namespace - Only good chance to do this for a while, since a big refactor is next * Fix the build
79 lines
1.3 KiB
C++
79 lines
1.3 KiB
C++
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#ifndef HEXUTIL_GDB_H_
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#define HEXUTIL_GDB_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdint.h>
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namespace melonDS
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{
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inline static uint8_t hex2nyb(uint8_t v)
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{
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if (v >= '0' && v <= '9') return v - '0';
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else if (v >= 'A' && v <= 'F') return v - 'A' + 0xa;
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else if (v >= 'a' && v <= 'f') return v - 'a' + 0xa;
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else
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{
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__builtin_trap();
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return 0xcc;
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}
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}
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inline static uint8_t nyb2hex(uint8_t v)
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{
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v &= 0xf;
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if (v >= 0xa) return v - 0xa + 'a';
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else return v - 0x0 + '0';
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}
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inline static void hexfmt8(uint8_t* dst, uint8_t v)
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{
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dst[0] = nyb2hex(v>>4);
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dst[1] = nyb2hex(v>>0);
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}
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inline static uint8_t unhex8(const uint8_t* src)
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{
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return (hex2nyb(src[0]) << 4) | hex2nyb(src[1]);
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}
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inline static void hexfmt16(uint8_t* dst, uint16_t v)
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{
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dst[0] = nyb2hex(v>> 4);
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dst[1] = nyb2hex(v>> 0);
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dst[2] = nyb2hex(v>>12);
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dst[3] = nyb2hex(v>> 8);
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}
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inline static uint16_t unhex16(const uint8_t* src)
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{
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return unhex8(&src[0*2]) | ((uint16_t)unhex8(&src[1*2]) << 8);
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}
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inline static void hexfmt32(uint8_t* dst, uint32_t v)
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{
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for (size_t i = 0; i < 4; ++i, v >>= 8)
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{
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dst[2*i+0] = nyb2hex(v>>4);
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dst[2*i+1] = nyb2hex(v>>0);
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}
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}
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inline static uint32_t unhex32(const uint8_t* src)
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{
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uint32_t v = 0;
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for (size_t i = 0; i < 4; ++i)
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{
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v |= (uint32_t)unhex8(&src[i*2]) << (i*8);
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}
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return v;
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}
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#ifdef __cplusplus
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}
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#endif
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}
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#endif
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