blob: 045f06a9aafc0244a0eec5ba134a0fcf81f63b76 [file] [log] [blame]
Andrew Geissler5f350902021-07-23 13:09:54 -04001From 82386110e67cf75c224e9817fce55e6b0f143266 Mon Sep 17 00:00:00 2001
2From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
3Date: Mon, 8 Feb 2021 07:23:54 +0100
4Subject: [PATCH] src/privsep-linux.c: add support for arc (#28)
5
6Fix the following build failure:
7
8privsep-linux.c:206:4: error: #error "Platform does not support seccomp filter yet"
9 # error "Platform does not support seccomp filter yet"
10 ^~~~~
11In file included from privsep-linux.c:36:
12privsep-linux.c:213:38: error: 'SECCOMP_AUDIT_ARCH' undeclared here (not in a function); did you mean 'SECCOMP_ALLOW_ARG'?
13 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, SECCOMP_AUDIT_ARCH, 1, 0),
14 ^~~~~~~~~~~~~~~~~~
15
16It should be noted that AUDIT_ARCH_{ARCOMPACT,ARCV2} is only defined
17since kernel 5.2 and
18https://github.com/torvalds/linux/commit/67f2a8a29311841ba6ab9b0e2d1b8f1e9978cd84
19
20Detection of arc compact and arc v2 have been "copy/pasted" from
21https://github.com/wbx-github/uclibc-ng/commit/afab56958f1cbb47b831ee3ebff231dfbae74af2
22
23Fixes:
24 - http://autobuild.buildroot.org/results/d29083700a80dd647621eed06faeeae03f0587d3
25
26Upstream-Status: Backport [https://github.com/NetworkConfiguration/dhcpcd/commit/82386110e67cf75c224e9817fce55e6b0f143266]
27
28Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
29Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
30---
31 src/privsep-linux.c | 16 ++++++++++++++++
32 1 file changed, 16 insertions(+)
33
34diff --git a/src/privsep-linux.c b/src/privsep-linux.c
35index 402667af..21d41a9a 100644
36--- a/src/privsep-linux.c
37+++ b/src/privsep-linux.c
38@@ -149,6 +149,22 @@ ps_root_sendnetlink(struct dhcpcd_ctx *ctx, int protocol, struct msghdr *msg)
39 # define SECCOMP_AUDIT_ARCH AUDIT_ARCH_I386
40 #elif defined(__x86_64__)
41 # define SECCOMP_AUDIT_ARCH AUDIT_ARCH_X86_64
42+#elif defined(__arc__)
43+# if defined(__A7__)
44+# if (BYTE_ORDER == LITTLE_ENDIAN)
45+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACT
46+# else
47+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACTBE
48+# endif
49+# elif defined(__HS__)
50+# if (BYTE_ORDER == LITTLE_ENDIAN)
51+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2
52+# else
53+# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2BE
54+# endif
55+# else
56+# error "Platform does not support seccomp filter yet"
57+# endif
58 #elif defined(__arm__)
59 # ifndef EM_ARM
60 # define EM_ARM 40
61--
622.16.2
63