memcheck/tests/darwin/scalar.h

   1 #include <assert.h>
   2 #include <errno.h>
   3 #include <fcntl.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6
   7 #include "pub_tool_basics.h"
   8 #include "vki/vki-scnums-darwin.h"
   9 #include "pub_tool_vkiscnums.h"
  10
  11 // Since we use vki_unistd.h, we can't include <unistd.h>.  So we have to
  12 // declare this ourselves.
  13 extern int syscall (int __sysno, ...);
  14
  15 // Thorough syscall scalar arg checking.  Also serves as thorough checking
  16 // for (very) basic syscall use.  Generally not trying to do anything
  17 // meaningful with the syscalls.
  18
  19 #define GO(__NR_xxx, N, s) \
  20    fprintf(stderr, "-----------------------------------------------------\n"  \
  21                    "x%lx(%d):%20s %s\n"                                       \
  22                    "-----------------------------------------------------\n", \
  23                    (unsigned long)__NR_xxx, N, #__NR_xxx, s);
  24
  25 #define GO_UNIMP(n, s) \
  26    fprintf(stderr, "-----------------------------------------------------\n"  \
  27                    "%-17s%s\n"                                                \
  28                    "-----------------------------------------------------\n", \
  29                    "("#n"):     ", s);
  30
  31 #define SY(__NR_xxx, args...)    res = syscall(__NR_xxx, ##args);
  32
  33 #define FAIL  assert(-1 == res);
  34 #define SUCC  assert(-1 != res);
  35 #define SUCC_OR_FAIL    /* no test */
  36
  37 #define FAILx(E) \
  38    do { \
  39       int myerrno = errno; \
  40       if (-1 == res) { \
  41          if (E == myerrno) { \
  42             /* as expected */ \
  43          } else { \
  44          fprintf(stderr, "Expected error %s (%d), got %d\n", #E, E, myerrno); \
  45          exit(1); \
  46          } \
  47       } else { \
  48          fprintf(stderr, "Expected error %s (%d), got success\n", #E, E); \
  49          exit(1); \
  50       } \
  51    } while (0);
  52
  53 #define SUCC_OR_FAILx(E) \
  54    do { \
  55       int myerrno = errno; \
  56       if (-1 == res) { \
  57          if (E == myerrno) { \
  58             /* as expected */ \
  59          } else { \
  60          fprintf(stderr, "Expected error %s (%d), got %d\n", #E, E, myerrno); \
  61          exit(1); \
  62          } \
  63       } \
  64    } while (0);