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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 14:06:38 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-15 14:06:38 -0800
commit762fb1ddd561aac5b14afac19287672b99242811 (patch)
treecd52819d17e3d73d18f8b45cbcf602a731c1d420 /scripts
parentf13399f033ae3d49e1808bacabd83d116844c94e (diff)
parent480f439c3db0d45d817d66caf3fa8e81a6fac01a (diff)
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek: - LTO fixes, but the kallsyms part had to be reverted - Pass -Werror=implicit-int and -Werror=strict-prototypes to the compiler by default - snprintf fix in modpost - remove GREP_OPTIONS from the environment to be immune against exotic grep option settings * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kallsyms: Revert back to 128 max symbol length Kbuild: Ignore GREP_OPTIONS env variable scripts: kallsyms: Use %zu to print 'size_t' scripts/bloat-o-meter: use .startswith rather than fragile slicing scripts/bloat-o-meter: ignore changes in the size of linux_banner kbuild: replace unbounded sprintf call in modpost kbuild, bloat-o-meter: fix static detection Kbuild: Handle longer symbols in kallsyms.c kbuild: Increase kallsyms max symbol length Makefile: enable -Werror=implicit-int and -Werror=strict-prototypes by default
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/bloat-o-meter7
-rw-r--r--scripts/kallsyms.c6
-rw-r--r--scripts/mod/sumversion.c2
3 files changed, 11 insertions, 4 deletions
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 6129020c41a..549d0ab8c66 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -19,9 +19,10 @@ def getsizes(file):
size, type, name = l[:-1].split()
if type in "tTdDbBrR":
# strip generated symbols
- if name[:6] == "__mod_": continue
- # function names begin with '.' on 64-bit powerpc
- if "." in name[1:]: name = "static." + name.split(".")[0]
+ if name.startswith("__mod_"): continue
+ if name == "linux_banner": continue
+ # statics and some other optimizations adds random .NUMBER
+ name = re.sub(r'\.[0-9]+', '', name)
sym[name] = sym.get(name, 0) + int(size, 16)
return sym
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 9a11f9f799f..10085de886f 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -115,6 +115,12 @@ static int read_symbol(FILE *in, struct sym_entry *s)
fprintf(stderr, "Read error or end of file.\n");
return -1;
}
+ if (strlen(str) > KSYM_NAME_LEN) {
+ fprintf(stderr, "Symbol %s too long for kallsyms (%zu vs %d).\n"
+ "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
+ str, strlen(str), KSYM_NAME_LEN);
+ return -1;
+ }
sym = str;
/* skip prefix char */
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 9dfcd6d988d..deb2994b04c 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -416,7 +416,7 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
basename = strrchr(modname, '/') + 1;
else
basename = modname;
- sprintf(filelist, "%s/%.*s.mod", modverdir,
+ snprintf(filelist, sizeof(filelist), "%s/%.*s.mod", modverdir,
(int) strlen(basename) - 2, basename);
file = grab_file(filelist, &len);