none/tests/x86-solaris/coredump_single_thread_sse.c

   1 /* Tests that Valgrind coredump support for SSE registers works correctly
   2    by producing a core dump analyzable by mdb.
   3    Basic register set is tested in coredump_single_thread. */
   4
   5 #include <stdio.h>
   6 #include <sys/types.h>
   7
   8 __attribute__((noinline))
   9 static void inner(void)
  10 {
  11    /* Set XMM registers to apriori known values.
  12       Unfortunately there is no instruction to load
  13       an immediate value directly into xmm register. */
  14    __asm__ __volatile__("\n"
  15       "pushl $0x12345678\n"
  16       "pushl $0x9abcdef0\n"
  17       "pushl $0xfedbca98\n"
  18       "pushl $0x76543210\n"
  19       "movups (%%esp), %%xmm0\n"
  20       "pushl $0x23456789\n"
  21       "pushl $0x09876543\n"
  22       "pushl $0x21fedcba\n"
  23       "pushl $0x9467feca\n"
  24       "movups (%%esp), %%xmm1\n"
  25       "pushl $0xabcdabcd\n"
  26       "pushl $0xcedecede\n"
  27       "pushl $0xfabafaba\n"
  28       "pushl $0x50656754\n"
  29       "movups (%%esp), %%xmm2\n"
  30       "pushl $0x03050608\n"
  31       "pushl $0x1d1b4b15\n"
  32       "pushl $0x25272120\n"
  33       "pushl $0x373a3d35\n"
  34       "movups (%%esp), %%xmm3\n"
  35       "pushl $0x9abcdef0\n"
  36       "pushl $0x76543210\n"
  37       "pushl $0x12345678\n"
  38       "pushl $0xfedbca98\n"
  39       "movups (%%esp), %%xmm4\n"
  40       "pushl $0x9467feca\n"
  41       "pushl $0x23456789\n"
  42       "pushl $0x21fedcba\n"
  43       "pushl $0x09876543\n"
  44       "movups (%%esp), %%xmm5\n"
  45       "pushl $0x50656754\n"
  46       "pushl $0xcedecede\n"
  47       "pushl $0xabcdabcd\n"
  48       "pushl $0xfabafaba\n"
  49       "movups (%%esp), %%xmm6\n"
  50       "pushl $0x373a3d35\n"
  51       "pushl $0x1d1b4b15\n"
  52       "pushl $0x03050608\n"
  53       "pushl $0x25272120\n"
  54       "movups (%%esp), %%xmm7\n"
  55       "movl $0x1, %%eax\n"
  56       "movl $0x1234, (%%eax)\n"  // should cause SEGV here
  57       : // no output registers
  58       : // no input registers
  59       : "memory", "%xmm0", "%xmm1", "%xmm2", "%xmm3",
  60                   "%xmm4", "%xmm5", "%xmm6", "%xmm7");
  61 }
  62
  63 __attribute__((noinline))
  64 static void outer(void)
  65 {
  66    inner();
  67 }
  68
  69 int main(int argc, const char *argv[])
  70 {
  71    outer();
  72    return 0;
  73 }