Atmosphere/thermosphere/src/gdb/remote_command.c

/*
*   This file is part of Luma3DS.
*   Copyright (C) 2016-2019 Aurora Wright, TuxSH
*
*   SPDX-License-Identifier: (MIT OR GPL-2.0-or-later)
*/

#include <string.h>

#include "remote_command.h"
#include "net.h"
struct
{
    const char *name;
    GDBCommandHandler handler;
} remoteCommandHandlers[] = {
};

static const char *GDB_SkipSpaces(const char *pos)
{
    const char *nextpos;
    for (nextpos = pos; *nextpos != 0 && ((*nextpos >= 9 && *nextpos <= 13) || *nextpos == ' '); nextpos++);
    return nextpos;
}

GDB_DECLARE_QUERY_HANDLER(Rcmd)
{
    char commandData[GDB_BUF_LEN / 2 + 1];
    char *endpos;
    const char *errstr = "Unrecognized command.\n";
    size_t len = strlen(ctx->commandData);

    if(len == 0 || (len % 2) == 1 || GDB_DecodeHex(commandData, ctx->commandData, len / 2) != len / 2) {
        return GDB_ReplyErrno(ctx, EILSEQ);
    }
    commandData[len / 2] = 0;

    for (endpos = commandData; !(*endpos >= 9 && *endpos <= 13) && *endpos != ' ' && *endpos != 0; endpos++);

    char *nextpos = (char *)GDB_SkipSpaces(endpos);
    *endpos = 0;

    for (size_t i = 0; i < sizeof(remoteCommandHandlers) / sizeof(remoteCommandHandlers[0]); i++) {
        if (strcmp(commandData, remoteCommandHandlers[i].name) == 0) {
            ctx->commandData = nextpos;
            return remoteCommandHandlers[i].handler(ctx);
        }
    }

    return GDB_SendHexPacket(ctx, errstr, strlen(errstr));
}