cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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waitid_options.c (768B)

      1// SPDX-License-Identifier: LGPL-2.1
      2#include <sys/types.h>
      3#include <sys/wait.h>
      4
      5static size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size,
      6						    struct syscall_arg *arg)
      7{
      8	bool show_prefix = arg->show_string_prefix;
      9	const char *prefix = "W";
     10	int printed = 0, options = arg->val;
     11
     12#define	P_OPTION(n) \
     13	if (options & W##n) { \
     14		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "",  #n); \
     15		options &= ~W##n; \
     16	}
     17
     18	P_OPTION(NOHANG);
     19	P_OPTION(UNTRACED);
     20	P_OPTION(CONTINUED);
     21#undef P_OPTION
     22
     23	if (options)
     24		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options);
     25
     26	return printed;
     27}
     28
     29#define SCA_WAITID_OPTIONS syscall_arg__scnprintf_waitid_options