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    SubjectRe: [tip:perf/core] perf probe: Support DW_OP_call_frame_cfa in debuginfo
    Hi,

    Robert Richter wrote:
    > On 15.04.10 07:29:18, tip-bot for Masami Hiramatsu wrote:
    >> diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
    >> index 2a27132..310ce89 100644
    >> --- a/tools/perf/util/probe-finder.h
    >> +++ b/tools/perf/util/probe-finder.h
    >> @@ -42,6 +42,7 @@ struct probe_finder {
    >> struct list_head lcache; /* Line cache for lazy match */
    >>
    >> /* For variable searching */
    >> + Dwarf_CFI *cfi; /* Call Frame Information */
    >
    > I get the following complile error:
    >
    > gcc -o builtin-probe.o -c -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Wformat-y2k -Wshadow -Winit-self -Wpacked -Wredundant-decls -Wstack-protector -Wstrict-aliasing=3 -Wswitch-default -Wswitch-enum -Wno-system-headers -Wundef -Wvolatile-register-var -Wwrite-strings -Wbad-function-cast -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wstrict-prototypes -Wdeclaration-after-statement -fstack-protector-all -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Iutil/include -I/usr/include/elfutils -DDWARF_SUPPORT -DNO_NEWT_SUPPORT -DNO_LIBPERL -DSHA1_HEADER='<openssl/sha.h>' builtin-probe.c
    > In file included from builtin-probe.c:43:
    > util/probe-finder.h:45: error: expected specifier-qualifier-list before ‘Dwarf_CFI’
    > make: *** [builtin-probe.o] Error 1
    > build script error: 2
    >
    > git grep only finds the following:
    >
    > $ git grep Dwarf_CFI
    > tools/perf/util/probe-finder.h: Dwarf_CFI *cfi; /* Call Frame Information */
    >
    > Am I missing something?

    Hmm, it seems that Dwarf_CFI is not defined in library.
    (it is defined as a type in /usr/include/elfutils/libdw.h)
    Could you tell me what version of elfutils you are using?

    Thank you,


    --
    Masami Hiramatsu
    e-mail: mhiramat@redhat.com
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