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pahole: Add --first_obj_only 

For now --encode_ctf/-Z only encodes the tags in the first object file
(CU) in a multi-obj/CU file, so for regtest sake, for now, introduce
this option.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-08-24 15:13:58 -03:00
parent 3221454ae3
commit 95734d9437
1 changed files with 13 additions and 1 deletions
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14
pahole.c
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@ -23,6 +23,7 @@
#include "ctf_encoder.h"
static bool ctf_encode;
static bool first_obj_only;
static uint8_t class__include_anonymous;
static uint8_t class__include_nested_anonymous;
@ -735,6 +736,7 @@ ARGP_PROGRAM_VERSION_HOOK_DEF = dwarves_print_version;
#define ARGP_flat_arrays 300
#define ARGP_show_private_classes 301
#define ARGP_fixup_silly_bitfields 302
#define ARGP_first_obj_only 303
static const struct argp_option pahole__options[] = {
{
@ -942,6 +944,11 @@ static const struct argp_option pahole__options[] = {
.key = ARGP_fixup_silly_bitfields,
.doc = "Fix silly bitfields such as int foo:32",
},
{
.name = "first_obj_only",
.key = ARGP_first_obj_only,
.doc = "Only process the first object file in the binary",
},
{
.name = NULL,
}
@ -1015,6 +1022,8 @@ static error_t pahole__options_parser(int key, char *arg,
conf.show_only_data_members = 1; break;
case ARGP_fixup_silly_bitfields:
conf_load.fixup_silly_bitfields = 1; break;
case ARGP_first_obj_only:
first_obj_only = true; break;
default:
return ARGP_ERR_UNKNOWN;
}
@ -1072,7 +1081,7 @@ static enum load_steal_kind pahole_stealer(struct cu *cu,
int ret = LSK__STOLEN;
if (!cu__filter(cu))
goto dump_it;
goto filter_it;
if (ctf_encode) {
cu__encode_ctf(cu);
@ -1150,6 +1159,9 @@ dump_and_stop:
ret = LSK__STOP_LOADING;
}
dump_it:
if (first_obj_only)
ret = LSK__STOP_LOADING;
filter_it:
cu__delete(cu);
return ret;
}