Decode the arguments passed to cap_fcntls_get() and cap_fcntls_limit().
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26c048c814
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bed418c8bd
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=315496
@ -45,6 +45,7 @@ enum Argtype { None = 1, Hex, Octal, Int, UInt, LongHex, Name, Ptr, Stat, Ioctl,
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Pathconf, Rforkflags, ExitStatus, Waitoptions, Idtype, Procctl,
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LinuxSockArgs, Umtxop, Atfd, Atflags, Timespec2, Accessmode, Long,
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Sysarch, ExecArgs, ExecEnv, PipeFds, QuadHex, Utrace, IntArray, Pipe2,
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CapFcntlRights,
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CloudABIAdvice, CloudABIClockID, ClouduABIFDSFlags,
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CloudABIFDStat, CloudABIFileStat, CloudABIFileType,
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@ -92,6 +92,10 @@ static struct syscall decoded_syscalls[] = {
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{ Int, 3 } } },
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{ .name = "break", .ret_type = 1, .nargs = 1,
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.args = { { Ptr, 0 } } },
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{ .name = "cap_fcntls_get", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { CapFcntlRights | OUT, 1 } } },
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{ .name = "cap_fcntls_limit", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { CapFcntlRights, 1 } } },
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{ .name = "chdir", .ret_type = 1, .nargs = 1,
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.args = { { Name, 0 } } },
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{ .name = "chflags", .ret_type = 1, .nargs = 2,
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@ -791,6 +795,18 @@ print_mask_arg(bool (*decoder)(FILE *, int, int *), FILE *fp, int value)
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fprintf(fp, "|0x%x", rem);
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}
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static void
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print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), FILE *fp,
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uint32_t value)
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{
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uint32_t rem;
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if (!decoder(fp, value, &rem))
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fprintf(fp, "0x%x", rem);
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else if (rem != 0)
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fprintf(fp, "|0x%x", rem);
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}
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#ifndef __LP64__
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/*
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* Add argument padding to subsequent system calls afater a Quad
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@ -1832,6 +1848,20 @@ print_arg(struct syscall_args *sc, unsigned long *args, long *retval,
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case Pipe2:
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print_mask_arg(sysdecode_pipe2_flags, fp, args[sc->offset]);
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break;
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case CapFcntlRights: {
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uint32_t rights;
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if (sc->type & OUT) {
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if (get_struct(pid, (void *)args[sc->offset], &rights,
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sizeof(rights)) == -1) {
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fprintf(fp, "0x%lx", args[sc->offset]);
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break;
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}
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} else
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rights = args[sc->offset];
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print_mask_arg32(sysdecode_cap_fcntlrights, fp, rights);
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break;
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}
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case CloudABIAdvice:
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fputs(xlookup(cloudabi_advice, args[sc->offset]), fp);
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