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yaml
---
r: 234358
b: refs/heads/master
c: 5069ed8
h: refs/heads/master
v: v3
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Masami Hiramatsu authored and Arnaldo Carvalho de Melo committed Jan 24, 2011
1 parent 0039f51 commit d4a170b
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Showing 2 changed files with 49 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4cc9cec636e7f78aba7f17606ac13cac07ea5787
refs/heads/master: 5069ed86be3c2f28bcdf7fae1374ec0c325aafba
56 changes: 48 additions & 8 deletions trunk/tools/perf/util/probe-finder.c
Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,19 @@ static bool die_compare_name(Dwarf_Die *dw_die, const char *tname)
return name ? (strcmp(tname, name) == 0) : false;
}

/* Get callsite line number of inline-function instance */
static int die_get_call_lineno(Dwarf_Die *in_die)
{
Dwarf_Attribute attr;
Dwarf_Word ret;

if (!dwarf_attr(in_die, DW_AT_call_line, &attr))
return -ENOENT;

dwarf_formudata(&attr, &ret);
return (int)ret;
}

/* Get type die */
static Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem)
{
Expand Down Expand Up @@ -463,27 +476,54 @@ typedef int (* line_walk_handler_t) (const char *fname, int lineno,
Dwarf_Addr addr, void *data);

struct __line_walk_param {
const char *fname;
line_walk_handler_t handler;
void *data;
int retval;
};

/* Walk on decl lines in given DIE */
static int __die_walk_funclines_cb(Dwarf_Die *in_die, void *data)
{
struct __line_walk_param *lw = data;
Dwarf_Addr addr;
int lineno;

if (dwarf_tag(in_die) == DW_TAG_inlined_subroutine) {
lineno = die_get_call_lineno(in_die);
if (lineno > 0 && dwarf_entrypc(in_die, &addr) == 0) {
lw->retval = lw->handler(lw->fname, lineno, addr,
lw->data);
if (lw->retval != 0)
return DIE_FIND_CB_FOUND;
}
}
return DIE_FIND_CB_SIBLING;
}

/* Walk on lines of blocks included in given DIE */
static int __die_walk_funclines(Dwarf_Die *sp_die,
line_walk_handler_t handler, void *data)
{
const char *fname;
struct __line_walk_param lw = {
.handler = handler,
.data = data,
.retval = 0,
};
Dwarf_Die die_mem;
Dwarf_Addr addr;
int lineno, ret = 0;
int lineno;

/* Handle function declaration line */
fname = dwarf_decl_file(sp_die);
if (fname && dwarf_decl_line(sp_die, &lineno) == 0 &&
lw.fname = dwarf_decl_file(sp_die);
if (lw.fname && dwarf_decl_line(sp_die, &lineno) == 0 &&
dwarf_entrypc(sp_die, &addr) == 0) {
ret = handler(fname, lineno, addr, data);
lw.retval = handler(lw.fname, lineno, addr, data);
if (lw.retval != 0)
goto done;
}

return ret;
die_find_child(sp_die, __die_walk_funclines_cb, &lw, &die_mem);
done:
return lw.retval;
}

static int __die_walk_culines_cb(Dwarf_Die *sp_die, void *data)
Expand Down

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