From: Keith Owens <kaos@sgi.com>
To: linux-kernel@vger.kernel.org
Cc: akpm@osdl.org
Subject: [patch 2.6.10-rc1] Include useful absolute symbols in kallsyms
Date: Fri, 29 Oct 2004 19:37:01 +1000 [thread overview]
Message-ID: <19397.1099042621@kao2.melbourne.sgi.com> (raw)
Some absolute symbols are useful, they can even appear in back traces.
Tweak kallsyms to retain the useful absolute symbols.
Signed-off-by: Keith Owens <kaos@sgi.com>
---
This list is from ia64, add absolute symbols from other architectures
as required.
Index: linux/scripts/kallsyms.c
===================================================================
--- linux.orig/scripts/kallsyms.c Fri Oct 29 17:01:13 2004
+++ linux/scripts/kallsyms.c Fri Oct 29 18:31:05 2004
@@ -121,7 +121,14 @@ read_symbol(FILE *in, struct sym_entry *
_sinittext = s->addr;
else if (strcmp(str, "_einittext") == 0)
_einittext = s->addr;
- else if (toupper(s->type) == 'A' || toupper(s->type) == 'U')
+ else if (toupper(s->type) == 'A') {
+ /* Keep these useful absolute symbols */
+ if (strcmp(str, "__kernel_syscall_via_break") &&
+ strcmp(str, "__kernel_syscall_via_epc") &&
+ strcmp(str, "__kernel_sigtramp") &&
+ strcmp(str, "__gp"))
+ return -1;
+ } else if (toupper(s->type) == 'U')
return -1;
/* include the type field in the symbol name, so that it gets
next reply other threads:[~2004-10-29 9:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-29 9:37 Keith Owens [this message]
2004-10-30 23:15 ` Sam Ravnborg
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