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perf probe: Remove redundant dwarf functions

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Since there are dwarf_bitsize, dwarf_bitoffset and dwarf_bytesize
defined in libdw, we don't need die_get_bit_size, die_get_bit_offset
and die_get_byte_size anymore.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20110627072721.6528.2747.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2011-06-27 16:27:21 +09:00 committed by Steven Rostedt
parent bad03ae476
commit bcfc082150
1 changed files with 13 additions and 37 deletions
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50
tools/perf/util/probe-finder.c
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@ -361,36 +361,6 @@ static bool die_is_signed_type(Dwarf_Die *tp_die)
ret == DW_ATE_signed_fixed);
}
static int die_get_byte_size(Dwarf_Die *tp_die)
{
Dwarf_Word ret;
if (die_get_attr_udata(tp_die, DW_AT_byte_size, &ret))
return 0;
return (int)ret;
}
static int die_get_bit_size(Dwarf_Die *tp_die)
{
Dwarf_Word ret;
if (die_get_attr_udata(tp_die, DW_AT_bit_size, &ret))
return 0;
return (int)ret;
}
static int die_get_bit_offset(Dwarf_Die *tp_die)
{
Dwarf_Word ret;
if (die_get_attr_udata(tp_die, DW_AT_bit_offset, &ret))
return 0;
return (int)ret;
}
/* Get data_member_location offset */
static int die_get_data_member_location(Dwarf_Die *mb_die, Dwarf_Word *offs)
{
@ -882,6 +852,7 @@ static int convert_variable_type(Dwarf_Die *vr_die,
struct probe_trace_arg_ref **ref_ptr = &tvar->ref;
Dwarf_Die type;
char buf[16];
int bsize, boffs, total;
int ret;
/* TODO: check all types */
@ -891,11 +862,15 @@ static int convert_variable_type(Dwarf_Die *vr_die,
return (tvar->type == NULL) ? -ENOMEM : 0;
}
if (die_get_bit_size(vr_die) != 0) {
bsize = dwarf_bitsize(vr_die);
if (bsize > 0) {
/* This is a bitfield */
ret = snprintf(buf, 16, "b%d@%d/%zd", die_get_bit_size(vr_die),
die_get_bit_offset(vr_die),
BYTES_TO_BITS(die_get_byte_size(vr_die)));
boffs = dwarf_bitoffset(vr_die);
total = dwarf_bytesize(vr_die);
if (boffs < 0 || total < 0)
return -ENOENT;
ret = snprintf(buf, 16, "b%d@%d/%zd", bsize, boffs,
BYTES_TO_BITS(total));
goto formatted;
}
@ -943,10 +918,11 @@ static int convert_variable_type(Dwarf_Die *vr_die,
return (tvar->type == NULL) ? -ENOMEM : 0;
}
ret = BYTES_TO_BITS(die_get_byte_size(&type));
if (!ret)
ret = dwarf_bytesize(&type);
if (ret <= 0)
/* No size ... try to use default type */
return 0;
ret = BYTES_TO_BITS(ret);
/* Check the bitwidth */
if (ret > MAX_BASIC_TYPE_BITS) {
@ -1010,7 +986,7 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
else
*ref_ptr = ref;
}
ref->offset += die_get_byte_size(&type) * field->index;
ref->offset += dwarf_bytesize(&type) * field->index;
if (!field->next)
/* Save vr_die for converting types */
memcpy(die_mem, vr_die, sizeof(*die_mem));