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* [Buildroot] [PATCH v4 1/4] package/llvm: add BPF backend
@ 2020-11-07  0:28 Romain Naour
  2020-11-07  0:28 ` [Buildroot] [PATCH v4 2/4] package/bcc: new package Romain Naour
                   ` (2 more replies)
  0 siblings, 3 replies; 13+ messages in thread
From: Romain Naour @ 2020-11-07  0:28 UTC (permalink / raw)
  To: buildroot

From: Jugurtha BELKALEM <jugurtha.belkalem@smile.fr>

bcc is a front-end tool for eBPF :
https://github.com/iovisor/bcc/blob/master/README.md.
eBPF is the most powerful Linux tracer, and bcc
allows to write eBPF scripts in C and PYTHON3.

BCC requires enabling LLVM backend BPF support.

Signed-off-by: Jugurtha BELKALEM <jugurtha.belkalem@smile.fr>
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Qais Yousef <qais.yousef@arm.com>
---
 package/llvm/Config.in | 6 ++++++
 package/llvm/llvm.mk   | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/package/llvm/Config.in b/package/llvm/Config.in
index 1d21d879da..6ec2ffcfe6 100644
--- a/package/llvm/Config.in
+++ b/package/llvm/Config.in
@@ -47,6 +47,12 @@ config BR2_PACKAGE_LLVM_RTTI
 
 	  https://llvm.org/docs/HowToSetUpLLVMStyleRTTI.html
 
+config BR2_PACKAGE_LLVM_BPF
+	bool "BPF backend"
+	help
+	  Build BPF target. Select this option if you are going
+	  to install bcc on the target.
+
 endif
 
 comment "llvm needs a toolchain w/ wchar, threads, C++, gcc >= 4.8, dynamic library"
diff --git a/package/llvm/llvm.mk b/package/llvm/llvm.mk
index 24d033d124..48a298191c 100644
--- a/package/llvm/llvm.mk
+++ b/package/llvm/llvm.mk
@@ -61,6 +61,11 @@ ifeq ($(BR2_PACKAGE_LLVM_AMDGPU),y)
 LLVM_TARGETS_TO_BUILD += AMDGPU
 endif
 
+# Build BPF backend
+ifeq ($(BR2_PACKAGE_LLVM_BPF),y)
+LLVM_TARGETS_TO_BUILD += BPF
+endif
+
 # Use native llvm-tblgen from host-llvm (needed for cross-compilation)
 LLVM_CONF_OPTS += -DLLVM_TABLEGEN=$(HOST_DIR)/bin/llvm-tblgen
 
-- 
2.25.4

^ permalink raw reply related	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2020-12-20 15:15 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-11-07  0:28 [Buildroot] [PATCH v4 1/4] package/llvm: add BPF backend Romain Naour
2020-11-07  0:28 ` [Buildroot] [PATCH v4 2/4] package/bcc: new package Romain Naour
2020-11-29 15:14   ` Qais Yousef
2020-12-06 16:59     ` Romain Naour
2020-12-17 18:44       ` Qais Yousef
2020-12-20 15:15         ` Romain Naour
2020-11-07  0:28 ` [Buildroot] [PATCH v4 3/4] package/libbpf: " Romain Naour
2020-11-29 15:27   ` Qais Yousef
2020-12-06 17:09     ` Romain Naour
2020-12-17 18:48       ` Qais Yousef
2020-11-07  0:28 ` [Buildroot] [PATCH v4 4/4] package/bpftrace: " Romain Naour
2020-11-29 15:34   ` Qais Yousef
2020-12-06 17:13     ` Romain Naour

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