1 files changed, 7 insertions, 11 deletions

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 1e6c65ebbd80..c171a243d05b 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -333,8 +333,8 @@ static void show_location(Dwarf_Op *op, struct probe_finder *pf)
                 die("%u exceeds max register number.", regn);
 
         if (deref)
-                ret = snprintf(pf->buf, pf->len, " %s=+%ju(%s)",
-                               pf->var, (uintmax_t)offs, regs);
+                ret = snprintf(pf->buf, pf->len, " %s=%+jd(%s)",
+                               pf->var, (intmax_t)offs, regs);
         else
                 ret = snprintf(pf->buf, pf->len, " %s=%s", pf->var, regs);
         DIE_IF(ret < 0);
@@ -352,8 +352,7 @@ static void show_variable(Dwarf_Die *vr_die, struct probe_finder *pf)
         if (dwarf_attr(vr_die, DW_AT_location, &attr) == NULL)
                 goto error;
         /* TODO: handle more than 1 exprs */
-        ret = dwarf_getlocation_addr(&attr, (pf->addr - pf->cu_base),
-                                     &expr, &nexpr, 1);
+        ret = dwarf_getlocation_addr(&attr, pf->addr, &expr, &nexpr, 1);
         if (ret <= 0 || nexpr == 0)
                 goto error;
 
@@ -437,8 +436,7 @@ static void show_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
 
         /* Get the frame base attribute/ops */
         dwarf_attr(sp_die, DW_AT_frame_base, &fb_attr);
-        ret = dwarf_getlocation_addr(&fb_attr, (pf->addr - pf->cu_base),
-                                     &pf->fb_ops, &nops, 1);
+        ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1);
         if (ret <= 0 || nops == 0)
                 pf->fb_ops = NULL;
 
@@ -455,6 +453,9 @@ static void show_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
         /* *pf->fb_ops will be cached in libdw. Don't free it. */
         pf->fb_ops = NULL;
 
+        if (pp->found == MAX_PROBES)
+                die("Too many( > %d) probe point found.\n", MAX_PROBES);
+
         pp->probes[pp->found] = strdup(tmp);
         pp->found++;
 }
@@ -641,7 +642,6 @@ static void find_probe_point_by_func(struct probe_finder *pf)
 int find_probe_point(int fd, struct probe_point *pp)
 {
         struct probe_finder pf = {.pp = pp};
-        int ret;
         Dwarf_Off off, noff;
         size_t cuhl;
         Dwarf_Die *diep;
@@ -668,10 +668,6 @@ int find_probe_point(int fd, struct probe_point *pp)
                         pf.fname = NULL;
 
                 if (!pp->file || pf.fname) {
-                        /* Save CU base address (for frame_base) */
-                        ret = dwarf_lowpc(&pf.cu_die, &pf.cu_base);
-                        if (ret != 0)
-                                pf.cu_base = 0;
                         if (pp->function)
                                 find_probe_point_by_func(&pf);
                         else if (pp->lazy_line)