[Bug dyninst/15052] New: externalvar.exp fails with dyninst

["dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15052

             Bug #: 15052
           Summary: externalvar.exp fails with dyninst
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dyninst
        AssignedTo: systemtap@sourceware.org
        ReportedBy: dsmith@redhat.com
    Classification: Unclassified


Commit 421edbd added dyninst support to the
testsuite/systemtap.base/externalvar.exp testcase. Every dyninst test fails,
with compilation errors:

====
cmd: stap --runtime=dyninst -d
/discer.farm/es/scratch/dsmith/systemtap/rawhide-64/testsuite/libexternalvar.so
-d /discer.farm/es/scratch/dsmith/systemtap/rawhide-64/testsuite/externalvar -c
/discer.farm/es/scratch/dsmith/systemtap/rawhide-64/testsuite/externalvar
../../src/testsuite/systemtap.base/externalvar.stp
cmd output: /tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:
In function 'function__dwarf_tvar_get_lib_s_20':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:1763:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:1763:163:
note: each undeclared identifier is reported only once for each function it
appears in
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_lib_s_21':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:1830:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_lib_s_22':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:1897:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_lib_s_26':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:1964:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_lib_s_27':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2023:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_lib_s_28':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2093:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_libvar_18':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2163:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_lib_s_23':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2717:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_lib_s_24':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2784:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_lib_s_25':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2851:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_lib_s_29':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2918:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_lib_s_31':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:2977:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'function__dwarf_tvar_get_stat_libvar_19':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3047:163:
error: 'current' undeclared (first use in this function)
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'systemtap_module_init':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3926:3:
error: implicit declaration of function '_stp_vma_init'
[-Werror=implicit-function-declaration]
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3930:5:
error: implicit declaration of function 'stap_start_task_finder'
[-Werror=implicit-function-declaration]
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3932:7:
error: implicit declaration of function 'stap_stop_task_finder'
[-Werror=implicit-function-declaration]
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3946:5:
error: implicit declaration of function 'stap_task_finder_post_init'
[-Werror=implicit-function-declaration]
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: In function
'systemtap_module_exit':
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:3981:3:
error: implicit declaration of function '_stp_vma_done'
[-Werror=implicit-function-declaration]
In file included from /usr/local/share/systemtap/runtime/dyninst/sym.c:2:0,
                 from /usr/local/share/systemtap/runtime/dyninst/runtime.h:127,
                 from /usr/local/share/systemtap/runtime/runtime.h:28,
                 from
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c:21:
/tmp/stapBAGO8A/stap_35d9039386514fc1089dd9c31c183d48_27486_src.c: At top
level:
/usr/local/share/systemtap/runtime/dyninst/../sym.h:111:22: error:
'_stp_umodule_relocate' used but never defined [-Werror]
cc1: all warnings being treated as errors
WARNING: gcc exited with status: 1
Pass 4: compilation failed. [man error::pass4]
FAIL: externalvar-m64-dyninst
====

It looks like there is some kernel code sneaking in there - references to
"current", the task_finder, etc. It also looks _stp_umodule_relocate() may need
a dyninst version.

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