* [PATCH 1/2] kallsyms: squash output_address()
@ 2024-09-07 8:53 Masahiro Yamada
2024-09-07 8:53 ` [PATCH 2/2] kallsyms: change overflow variable to bool type Masahiro Yamada
0 siblings, 1 reply; 2+ messages in thread
From: Masahiro Yamada @ 2024-09-07 8:53 UTC (permalink / raw)
To: linux-kbuild; +Cc: linux-kernel, Masahiro Yamada
After commit 64e166099b69 ("kallsyms: get rid of code for absolute,
kallsyms"), there is only one call site for output_address(). Squash it.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kallsyms.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index c70458e68ece..f6bb7fb2536b 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -292,15 +292,6 @@ static void output_label(const char *label)
printf("%s:\n", label);
}
-/* Provide proper symbols relocatability by their '_text' relativeness. */
-static void output_address(unsigned long long addr)
-{
- if (_text <= addr)
- printf("\tPTR\t_text + %#llx\n", addr - _text);
- else
- printf("\tPTR\t_text - %#llx\n", _text - addr);
-}
-
/* uncompress a compressed symbol. When this function is called, the best table
* might still be compressed itself, so the function needs to be recursive */
static int expand_symbol(const unsigned char *data, int len, char *result)
@@ -488,7 +479,11 @@ static void write_src(void)
printf("\n");
output_label("kallsyms_relative_base");
- output_address(relative_base);
+ /* Provide proper symbols relocatability by their '_text' relativeness. */
+ if (_text <= relative_base)
+ printf("\tPTR\t_text + %#llx\n", relative_base - _text);
+ else
+ printf("\tPTR\t_text - %#llx\n", _text - relative_base);
printf("\n");
sort_symbols_by_name();
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 2/2] kallsyms: change overflow variable to bool type
2024-09-07 8:53 [PATCH 1/2] kallsyms: squash output_address() Masahiro Yamada
@ 2024-09-07 8:53 ` Masahiro Yamada
0 siblings, 0 replies; 2+ messages in thread
From: Masahiro Yamada @ 2024-09-07 8:53 UTC (permalink / raw)
To: linux-kbuild; +Cc: linux-kernel, Masahiro Yamada
Change the 'overflow' variable to bool. Also, remove unnecessary
parentheses.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/kallsyms.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index f6bb7fb2536b..03852da3d249 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -455,17 +455,17 @@ static void write_src(void)
*/
long long offset;
- int overflow;
+ bool overflow;
if (!absolute_percpu) {
offset = table[i]->addr - relative_base;
- overflow = (offset < 0 || offset > UINT_MAX);
+ overflow = offset < 0 || offset > UINT_MAX;
} else if (symbol_absolute(table[i])) {
offset = table[i]->addr;
- overflow = (offset < 0 || offset > INT_MAX);
+ overflow = offset < 0 || offset > INT_MAX;
} else {
offset = relative_base - table[i]->addr - 1;
- overflow = (offset < INT_MIN || offset >= 0);
+ overflow = offset < INT_MIN || offset >= 0;
}
if (overflow) {
fprintf(stderr, "kallsyms failure: "
--
2.43.0
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