diff options
Diffstat (limited to 'testsuite/systemtap.base/inlinedvars.c')
-rw-r--r-- | testsuite/systemtap.base/inlinedvars.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/testsuite/systemtap.base/inlinedvars.c b/testsuite/systemtap.base/inlinedvars.c new file mode 100644 index 00000000..2756323e --- /dev/null +++ b/testsuite/systemtap.base/inlinedvars.c @@ -0,0 +1,43 @@ +static inline int +m(char *name, int i, long j) +{ + // Random syntactical block to be inlined. + // Mimics what STAP_PROBE macro does a bit. + do { + volatile __typeof__(name) p_name = name; + volatile __typeof__(i) p_i = i; + volatile __typeof__(j) p_j = j; + // empty asm to force locals into regs. + inlined_label: asm volatile ("" :: "g"(p_name), "g"(p_i), "g"(p_j)); + } while (0); + return i + 32; +} + +/* XXX PR10537 label() doesn't select multiple instances. +static inline int +call(int pi, long pj) +{ + volatile ic = pi - 42; + volatile jc = pj + 42; + return m("call", ic, jc); +} + +static inline int +call2(int pi2, long pj2) +{ + volatile ic2 = pi2 + 64; + volatile jc2 = pj2 - 64; + return m("call2", ic2, jc2); +} +*/ + +int +main (int argc, char **argv) +{ + volatile int i = 64; + volatile long j = 42; + i = 54;// XXX PR10537 call(i, j); + j = 150; // XXX PR10537 call2(i, j); + m("main", i, j); + return 0; +} |