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Kbuild: Handle longer symbols in kallsyms.c

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Also warn for too long symbols

v2: Add missing newline. Use 255 max (Joe Perches)
Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Michal Marek <[email protected]>
This commit is contained in:
Andi Kleen authored and Michal Marek committed 2013-11-06 22:25:49 +01:00
1 parent eea0e9cbb9
commit f3462aa952
1 file changed
+7 -1
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scripts/kallsyms.c
+7 -1
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@@ -27,7 +27,7 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
#endif
#define KSYM_NAME_LEN 128
#define KSYM_NAME_LEN 255
struct sym_entry {
unsigned long long addr;
@@ -111,6 +111,12 @@ 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 (%lu 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 */