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Merge commit 'v2.6.37-rc1' into kbuild/kbuild

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This commit is contained in:
Michal Marek 2010-12-14 22:01:55 +01:00
commit 8990c1bc4b
15045 changed files with 1540689 additions and 1108997 deletions
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2
scripts/basic/Makefile
View file

@ -9,7 +9,7 @@
# fixdep: Used to generate dependency information during build process
# docproc: Used in Documentation/DocBook
hostprogs-y := fixdep docproc hash
hostprogs-y := fixdep docproc
always := $(hostprogs-y)
# fixdep is needed to compile other host programs

132
scripts/basic/docproc.c
View file

@ -34,12 +34,14 @@
*
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
@ -54,6 +56,7 @@ typedef void FILEONLY(char * file);
FILEONLY *internalfunctions;
FILEONLY *externalfunctions;
FILEONLY *symbolsonly;
FILEONLY *findall;
typedef void FILELINE(char * file, char * line);
FILELINE * singlefunctions;
@ -65,12 +68,30 @@ FILELINE * docsection;
#define KERNELDOCPATH "scripts/"
#define KERNELDOC "kernel-doc"
#define DOCBOOK "-docbook"
#define LIST "-list"
#define FUNCTION "-function"
#define NOFUNCTION "-nofunction"
#define NODOCSECTIONS "-no-doc-sections"
static char *srctree, *kernsrctree;
static char **all_list = NULL;
static int all_list_len = 0;
static void consume_symbol(const char *sym)
{
int i;
for (i = 0; i < all_list_len; i++) {
if (!all_list[i])
continue;
if (strcmp(sym, all_list[i]))
continue;
all_list[i] = NULL;
break;
}
}
static void usage (void)
{
fprintf(stderr, "Usage: docproc {doc|depend} file\n");
@ -248,6 +269,7 @@ static void docfunctions(char * filename, char * type)
struct symfile * sym = &symfilelist[i];
for (j=0; j < sym->symbolcnt; j++) {
vec[idx++] = type;
consume_symbol(sym->symbollist[j].name);
vec[idx++] = sym->symbollist[j].name;
}
}
@ -287,6 +309,11 @@ static void singfunc(char * filename, char * line)
vec[idx++] = &line[i];
}
}
for (i = 0; i < idx; i++) {
if (strcmp(vec[i], FUNCTION))
continue;
consume_symbol(vec[i + 1]);
}
vec[idx++] = filename;
vec[idx] = NULL;
exec_kernel_doc(vec);
@ -306,6 +333,13 @@ static void docsect(char *filename, char *line)
if (*s == '\n')
*s = '\0';
if (asprintf(&s, "DOC: %s", line) < 0) {
perror("asprintf");
exit(1);
}
consume_symbol(s);
free(s);
vec[0] = KERNELDOC;
vec[1] = DOCBOOK;
vec[2] = FUNCTION;
@ -315,6 +349,84 @@ static void docsect(char *filename, char *line)
exec_kernel_doc(vec);
}
static void find_all_symbols(char *filename)
{
char *vec[4]; /* kerneldoc -list file NULL */
pid_t pid;
int ret, i, count, start;
char real_filename[PATH_MAX + 1];
int pipefd[2];
char *data, *str;
size_t data_len = 0;
vec[0] = KERNELDOC;
vec[1] = LIST;
vec[2] = filename;
vec[3] = NULL;
if (pipe(pipefd)) {
perror("pipe");
exit(1);
}
switch (pid=fork()) {
case -1:
perror("fork");
exit(1);
case 0:
close(pipefd[0]);
dup2(pipefd[1], 1);
memset(real_filename, 0, sizeof(real_filename));
strncat(real_filename, kernsrctree, PATH_MAX);
strncat(real_filename, "/" KERNELDOCPATH KERNELDOC,
PATH_MAX - strlen(real_filename));
execvp(real_filename, vec);
fprintf(stderr, "exec ");
perror(real_filename);
exit(1);
default:
close(pipefd[1]);
data = malloc(4096);
do {
while ((ret = read(pipefd[0],
data + data_len,
4096)) > 0) {
data_len += ret;
data = realloc(data, data_len + 4096);
}
} while (ret == -EAGAIN);
if (ret != 0) {
perror("read");
exit(1);
}
waitpid(pid, &ret ,0);
}
if (WIFEXITED(ret))
exitstatus |= WEXITSTATUS(ret);
else
exitstatus = 0xff;
count = 0;
/* poor man's strtok, but with counting */
for (i = 0; i < data_len; i++) {
if (data[i] == '\n') {
count++;
data[i] = '\0';
}
}
start = all_list_len;
all_list_len += count;
all_list = realloc(all_list, sizeof(char *) * all_list_len);
str = data;
for (i = 0; i < data_len && start != all_list_len; i++) {
if (data[i] == '\0') {
all_list[start] = str;
str = data + i + 1;
start++;
}
}
}
/*
* Parse file, calling action specific functions for:
* 1) Lines containing !E
@ -322,7 +434,8 @@ static void docsect(char *filename, char *line)
* 3) Lines containing !D
* 4) Lines containing !F
* 5) Lines containing !P
* 6) Default lines - lines not matching the above
* 6) Lines containing !C
* 7) Default lines - lines not matching the above
*/
static void parse_file(FILE *infile)
{
@ -365,6 +478,12 @@ static void parse_file(FILE *infile)
s++;
docsection(line + 2, s);
break;
case 'C':
while (*s && !isspace(*s)) s++;
*s = '\0';
if (findall)
findall(line+2);
break;
default:
defaultline(line);
}
@ -380,6 +499,7 @@ static void parse_file(FILE *infile)
int main(int argc, char *argv[])
{
FILE * infile;
int i;
srctree = getenv("SRCTREE");
if (!srctree)
@ -415,6 +535,7 @@ int main(int argc, char *argv[])
symbolsonly = find_export_symbols;
singlefunctions = noaction2;
docsection = noaction2;
findall = find_all_symbols;
parse_file(infile);
/* Rewind to start from beginning of file again */
@ -425,8 +546,16 @@ int main(int argc, char *argv[])
symbolsonly = printline;
singlefunctions = singfunc;
docsection = docsect;
findall = NULL;
parse_file(infile);
for (i = 0; i < all_list_len; i++) {
if (!all_list[i])
continue;
fprintf(stderr, "Warning: didn't use docs for %s\n",
all_list[i]);
}
}
else if (strcmp("depend", argv[1]) == 0)
{
@ -439,6 +568,7 @@ int main(int argc, char *argv[])
symbolsonly = adddep;
singlefunctions = adddep2;
docsection = adddep2;
findall = adddep;
parse_file(infile);
printf("\n");
}

64
scripts/basic/hash.c
View file

@ -1,64 +0,0 @@
/*
* Copyright (C) 2008 Red Hat, Inc., Jason Baron <jbaron@redhat.com>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DYNAMIC_DEBUG_HASH_BITS 6
static const char *program;
static void usage(void)
{
printf("Usage: %s <djb2|r5> <modname>\n", program);
exit(1);
}
/* djb2 hashing algorithm by Dan Bernstein. From:
* http://www.cse.yorku.ca/~oz/hash.html
*/
static unsigned int djb2_hash(char *str)
{
unsigned long hash = 5381;
int c;
c = *str;
while (c) {
hash = ((hash << 5) + hash) + c;
c = *++str;
}
return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1));
}
static unsigned int r5_hash(char *str)
{
unsigned long hash = 0;
int c;
c = *str;
while (c) {
hash = (hash + (c << 4) + (c >> 4)) * 11;
c = *++str;
}
return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1));
}
int main(int argc, char *argv[])
{
program = argv[0];
if (argc != 3)
usage();
if (!strcmp(argv[1], "djb2"))
printf("%d\n", djb2_hash(argv[2]));
else if (!strcmp(argv[1], "r5"))
printf("%d\n", r5_hash(argv[2]));
else
usage();
exit(0);
}