utrace/master git kernel build (commit #g938482e
git systemtap
gcc rawhide 4.4.2 20091027

./stap -p4 -e   'probe kernel.function("build_zonelists_node") {println($pgdat)}'
cc1: warnings being treated as errors
/var/tmp/stapaEBDoB/stap_e2d2cd60c17ba18011c161e1c932409d_1093.c: In function
‘function__dwarf_tvar_get_pgdat_0’:
/var/tmp/stapaEBDoB/stap_e2d2cd60c17ba18011c161e1c932409d_1093.c:148: error:
this decimal constant is unsigned only in ISO C90
make[1]: *** [/var/tmp/stapaEBDoB/stap_e2d2cd60c17ba18011c161e1c932409d_1093.o]
Error 1
make: *** [_module_/var/tmp/stapaEBDoB] Error 2
Pass 4: compilation failed.  Try again with another '--vp 0001' option.



static void function__dwarf_tvar_get_pgdat_0 (struct context* __restrict__ c) {
  struct function__dwarf_tvar_get_pgdat_0_locals *  __restrict__ l =
    & c->locals[c->nesting+1].function__dwarf_tvar_get_pgdat_0;
...
  {
    intptr_t addr;
    { // synthesized
    addr = 3231800064L;
    }
    { // synthesized
    { uint32_t value = addr; addr = value; }
    }
    THIS->__retvalue = addr;
  }


The addr literal is out of range for a signed 32-bit long.
Even with the needed cast inserted, such an address may need to be
relocated with _stp_relocate() at run time.

-- 
           Summary: loc2c/vta: synthetic address range warning/error during
                    -p4
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=11074

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