From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: linux-kbuild@vger.kernel.org
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 13/16] scripts/kallsyms: move ignored symbol types to is_ignored_symbol()
Date: Sun, 24 Nov 2019 01:04:41 +0900 [thread overview]
Message-ID: <20191123160444.11251-14-yamada.masahiro@socionext.com> (raw)
In-Reply-To: <20191123160444.11251-1-yamada.masahiro@socionext.com>
Collect the ignored patterns to is_ignored_symbol().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
Changes in v2: None
scripts/kallsyms.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 04a1dd16edcf..d90a6133d7b8 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -137,6 +137,21 @@ static bool is_ignored_symbol(const char *name, char type)
return true;
}
+ if (type == 'U' || type == 'u')
+ return true;
+ /* exclude debugging symbols */
+ if (type == 'N' || type == 'n')
+ return true;
+
+ if (toupper(type) == 'A') {
+ /* Keep these useful absolute symbols */
+ if (strcmp(name, "__kernel_syscall_via_break") &&
+ strcmp(name, "__kernel_syscall_via_epc") &&
+ strcmp(name, "__kernel_sigtramp") &&
+ strcmp(name, "__gp"))
+ return true;
+ }
+
return false;
}
@@ -188,21 +203,6 @@ static int read_symbol(FILE *in, struct sym_entry *s)
else if (check_symbol_range(sym, s->addr, text_ranges,
ARRAY_SIZE(text_ranges)) == 0)
/* nothing to do */;
- else if (toupper(stype) == 'A')
- {
- /* Keep these useful absolute symbols */
- if (strcmp(sym, "__kernel_syscall_via_break") &&
- strcmp(sym, "__kernel_syscall_via_epc") &&
- strcmp(sym, "__kernel_sigtramp") &&
- strcmp(sym, "__gp"))
- return -1;
-
- }
- else if (toupper(stype) == 'U')
- return -1;
- /* exclude debugging symbols */
- else if (stype == 'N' || stype == 'n')
- return -1;
/* include the type field in the symbol name, so that it gets
* compressed together */
--
2.17.1
next prev parent reply other threads:[~2019-11-23 16:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-23 16:04 [PATCH v2 00/16] scripts/kallsyms: various cleanups and optimizations Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 01/16] scripts/kallsyms: remove unneeded #ifndef ARRAY_SIZE Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 02/16] scripts/kallsyms: fix definitely-lost memory leak Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 03/16] scripts/kallsyms: shrink table before sorting it Masahiro Yamada
2019-12-07 22:19 ` Olof Johansson
2019-11-23 16:04 ` [PATCH v2 04/16] scripts/kallsyms: set relative_base more effectively Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 05/16] scripts/kallsyms: remove redundant is_arm_mapping_symbol() Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 06/16] scripts/kallsyms: remove unneeded length check for prefix matching Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 07/16] scripts/kallsyms: add sym_name() to mitigate cast ugliness Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 08/16] scripts/kallsyms: replace prefix_underscores_count() with strspn() Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 09/16] scripts/kallsyms: make find_token() return (unsigned char *) Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 10/16] scripts/kallsyms: add const qualifiers where possible Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 11/16] scripts/kallsyms: skip ignored symbols very early Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 12/16] scripts/kallsyms: move more patterns to the ignored_prefixes array Masahiro Yamada
2019-11-23 16:04 ` Masahiro Yamada [this message]
2020-07-20 1:46 ` [PATCH v2 13/16] scripts/kallsyms: move ignored symbol types to is_ignored_symbol() Finn Thain
2020-07-20 5:34 ` Masahiro Yamada
2020-07-21 4:00 ` Finn Thain
2019-11-23 16:04 ` [PATCH v2 14/16] scripts/kallsyms: make check_symbol_range() void function Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 15/16] scripts/kallsyms: put check_symbol_range() calls close together Masahiro Yamada
2019-11-23 16:04 ` [PATCH v2 16/16] scripts/kallsyms: remove redundant initializers Masahiro Yamada
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