Kbuild: Handle longer symbols in kallsyms.c
Also warn for too long symbols v2: Add missing newline. Use 255 max (Joe Perches) Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
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1 changed files with 7 additions and 1 deletions
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@ -27,7 +27,7 @@
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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#endif
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#endif
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#define KSYM_NAME_LEN 128
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#define KSYM_NAME_LEN 255
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struct sym_entry {
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struct sym_entry {
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unsigned long long addr;
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unsigned long long addr;
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@ -111,6 +111,12 @@ static int read_symbol(FILE *in, struct sym_entry *s)
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fprintf(stderr, "Read error or end of file.\n");
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fprintf(stderr, "Read error or end of file.\n");
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return -1;
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return -1;
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}
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}
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if (strlen(str) > KSYM_NAME_LEN) {
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fprintf(stderr, "Symbol %s too long for kallsyms (%lu vs %d).\n"
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"Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
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str, strlen(str), KSYM_NAME_LEN);
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return -1;
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}
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sym = str;
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sym = str;
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/* skip prefix char */
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/* skip prefix char */
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