Release 4.11 tools/perf/util/syscalltbl.c
/*
* System call table mapper
*
* (C) 2016 Arnaldo Carvalho de Melo <acme@redhat.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include "syscalltbl.h"
#include <stdlib.h>
#ifdef HAVE_SYSCALL_TABLE
#include <linux/compiler.h>
#include <string.h>
#include "util.h"
#if defined(__x86_64__)
#include <asm/syscalls_64.c>
const int syscalltbl_native_max_id = SYSCALLTBL_x86_64_MAX_ID;
static const char **syscalltbl_native = syscalltbl_x86_64;
#endif
struct syscall {
int id;
const char *name;
};
static int syscallcmpname(const void *vkey, const void *ventry)
{
const char *key = vkey;
const struct syscall *entry = ventry;
return strcmp(key, entry->name);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
static int syscallcmp(const void *va, const void *vb)
{
const struct syscall *a = va, *b = vb;
return strcmp(a->name, b->name);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 41 | 100.00% | 1 | 100.00% |
| Total | 41 | 100.00% | 1 | 100.00% |
static int syscalltbl__init_native(struct syscalltbl *tbl)
{
int nr_entries = 0, i, j;
struct syscall *entries;
for (i = 0; i <= syscalltbl_native_max_id; ++i)
if (syscalltbl_native[i])
++nr_entries;
entries = tbl->syscalls.entries = malloc(sizeof(struct syscall) * nr_entries);
if (tbl->syscalls.entries == NULL)
return -1;
for (i = 0, j = 0; i <= syscalltbl_native_max_id; ++i) {
if (syscalltbl_native[i]) {
entries[j].name = syscalltbl_native[i];
entries[j].id = i;
++j;
}
}
qsort(tbl->syscalls.entries, nr_entries, sizeof(struct syscall), syscallcmp);
tbl->syscalls.nr_entries = nr_entries;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 163 | 100.00% | 1 | 100.00% |
| Total | 163 | 100.00% | 1 | 100.00% |
struct syscalltbl *syscalltbl__new(void)
{
struct syscalltbl *tbl = malloc(sizeof(*tbl));
if (tbl) {
if (syscalltbl__init_native(tbl)) {
free(tbl);
return NULL;
}
}
return tbl;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 49 | 100.00% | 2 | 100.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
void syscalltbl__delete(struct syscalltbl *tbl)
{
zfree(&tbl->syscalls.entries);
free(tbl);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
const char *syscalltbl__name(const struct syscalltbl *tbl __maybe_unused, int id)
{
return id <= syscalltbl_native_max_id ? syscalltbl_native[id]: NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
int syscalltbl__id(struct syscalltbl *tbl, const char *name)
{
struct syscall *sc = bsearch(name, tbl->syscalls.entries,
tbl->syscalls.nr_entries, sizeof(*sc),
syscallcmpname);
return sc ? sc->id : -1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 55 | 100.00% | 1 | 100.00% |
| Total | 55 | 100.00% | 1 | 100.00% |
#else /* HAVE_SYSCALL_TABLE */
#include <libaudit.h>
struct syscalltbl *syscalltbl__new(void)
{
struct syscalltbl *tbl = malloc(sizeof(*tbl));
if (tbl)
tbl->audit_machine = audit_detect_machine();
return tbl;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 37 | 100.00% | 2 | 100.00% |
| Total | 37 | 100.00% | 2 | 100.00% |
void syscalltbl__delete(struct syscalltbl *tbl)
{
free(tbl);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
const char *syscalltbl__name(const struct syscalltbl *tbl, int id)
{
return audit_syscall_to_name(id, tbl->audit_machine);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
int syscalltbl__id(struct syscalltbl *tbl, const char *name)
{
return audit_name_to_syscall(name, tbl->audit_machine);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
#endif /* HAVE_SYSCALL_TABLE */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 573 | 100.00% | 3 | 100.00% |
| Total | 573 | 100.00% | 3 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.