perf probe: Use elfutils-libdw for analyzing debuginfo

Newer gcc introduces newer & richer debuginfo, and only libdw
in elfutils project can support it. So perf probe moves onto
elfutils-libdw from libdwarf.

Changes in v3:
 - Cast Dwarf_Addr/Dwarf_Word to uintmax_t for printf-formats.
 - Recover a sign-prefix which was removed in v2 by mistake.

Changes in v2:
 - Fix a type-casting bug in Makefile.
 - Cast Dwarf_Addr/Dwarf_Word to unsigned long long for printf-formats.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
LKML-Reference: <20100225133542.6725.34724.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 11 insertions, 11 deletions

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index c3e61194f4c6..d8d3f0525895 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -128,7 +128,7 @@ static void evaluate_probe_point(struct probe_point *pp)
                     pp->function);
 }
 
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 static int open_vmlinux(void)
 {
         if (map__load(session.kmaps[MAP__FUNCTION], NULL) < 0) {
@@ -156,7 +156,7 @@ static const char * const probe_usage[] = {
         "perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
         "perf probe [<options>] --del '[GROUP:]EVENT' ...",
         "perf probe --list",
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
         "perf probe --line 'LINEDESC'",
 #endif
         NULL
@@ -165,7 +165,7 @@ static const char * const probe_usage[] = {
 static const struct option options[] = {
         OPT_BOOLEAN('v', "verbose", &verbose,
                     "be more verbose (show parsed arguments, etc)"),
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
                    "file", "vmlinux pathname"),
 #endif
@@ -174,7 +174,7 @@ static const struct option options[] = {
         OPT_CALLBACK('d', "del", NULL, "[GROUP:]EVENT", "delete a probe event.",
                 opt_del_probe_event),
         OPT_CALLBACK('a', "add", NULL,
-#ifdef NO_LIBDWARF
+#ifdef NO_DWARF_SUPPORT
                 "[EVENT=]FUNC[+OFFS|%return] [ARG ...]",
 #else
                 "[EVENT=]FUNC[+OFFS|%return|:RLN][@SRC]|SRC:ALN [ARG ...]",
@@ -185,7 +185,7 @@ static const struct option options[] = {
                 "\t\tFUNC:\tFunction name\n"
                 "\t\tOFFS:\tOffset from function entry (in byte)\n"
                 "\t\t%return:\tPut the probe at function return\n"
-#ifdef NO_LIBDWARF
+#ifdef NO_DWARF_SUPPORT
                 "\t\tARG:\tProbe argument (only \n"
 #else
                 "\t\tSRC:\tSource code path\n"
@@ -197,7 +197,7 @@ static const struct option options[] = {
                 opt_add_probe_event),
         OPT_BOOLEAN('f', "force", &session.force_add, "forcibly add events"
                     " with existing name"),
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
         OPT_CALLBACK('L', "line", NULL,
                      "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]",
                      "Show source code lines.", opt_show_lines),
@@ -225,7 +225,7 @@ static void init_vmlinux(void)
 int cmd_probe(int argc, const char **argv, const char *prefix __used)
 {
         int i, ret;
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
         int fd;
 #endif
         struct probe_point *pp;
@@ -261,7 +261,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
                 return 0;
         }
 
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
         if (session.show_lines) {
                 if (session.nr_probe != 0 || session.dellist) {
                         pr_warning("  Error: Don't use --line with"
@@ -292,9 +292,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
         init_vmlinux();
 
         if (session.need_dwarf)
-#ifdef NO_LIBDWARF
+#ifdef NO_DWARF_SUPPORT
                 die("Debuginfo-analysis is not supported");
-#else   /* !NO_LIBDWARF */
+#else   /* !NO_DWARF_SUPPORT */
                 pr_debug("Some probes require debuginfo.\n");
 
         fd = open_vmlinux();
@@ -335,7 +335,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
         close(fd);
 
 end_dwarf:
-#endif /* !NO_LIBDWARF */
+#endif /* !NO_DWARF_SUPPORT */
 
         /* Synthesize probes without dwarf */
         for (i = 0; i < session.nr_probe; i++) {