"Fossies" - the Fresh Open Source Software Archive 
Member "ipfire-2.x-2.27-core174/src/patches/cpufrequtils/0006-aperf-fix-compilation-on-x86-32-with-fPIC.patch" (7 Apr 2023, 1245 Bytes) of package /linux/misc/ipfire-2.x-2.27-core174.tar.gz:
As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) Diff source code syntax highlighting (style:
standard) with prefixed line numbers.
Alternatively you can here
view or
download the uninterpreted source code file.
1 From 9085ce6f615d9d2e0182d3ce029b882835bd0a6b Mon Sep 17 00:00:00 2001
2 From: Matt Turner <mattst88@gmail.com>
3 Date: Tue, 26 Jul 2011 19:28:31 -0400
4 Subject: [PATCH 6/8] aperf: fix compilation on x86-32 with -fPIC
5
6 ebx is used to store the GOT pointer when compiled with -fPIC, so it's
7 not usable by inline assembly.
8
9 https://bugs.gentoo.org/375967
10
11 Signed-off-by: Matt Turner <mattst88@gmail.com>
12 Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
13 ---
14 utils/cpuid.h | 14 +++++++++++++-
15 1 file changed, 13 insertions(+), 1 deletion(-)
16
17 diff --git a/utils/cpuid.h b/utils/cpuid.h
18 index 2bac69a..53da789 100644
19 --- a/utils/cpuid.h
20 +++ b/utils/cpuid.h
21 @@ -5,9 +5,21 @@ static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
22 unsigned int *ecx, unsigned int *edx)
23 {
24 /* ecx is often an input as well as an output. */
25 - asm volatile("cpuid"
26 + asm volatile(
27 +#if defined(__i386__) && defined(__PIC__)
28 + "push %%ebx\n"
29 + "cpuid\n"
30 + "movl %%ebx, %1\n"
31 + "pop %%ebx\n"
32 +#else
33 + "cpuid\n"
34 +#endif
35 : "=a" (*eax),
36 +#if defined(__i386__) && defined(__PIC__)
37 + "=r" (*ebx),
38 +#else
39 "=b" (*ebx),
40 +#endif
41 "=c" (*ecx),
42 "=d" (*edx)
43 : "0" (*eax), "2" (*ecx));
44 --
45 1.7.10
46