| Message ID | 20201220151203.2206747-1-romain.naour@gmail.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [PATCHv6,1/5] package/llvm: add BPF backend | expand |
On 20/12/2020 16:11, Romain Naour wrote: > 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> > Tested-by: Qais Yousef <qais.yousef@arm.com> > Reviewed-by: Qais Yousef <qais.yousef@arm.com> > Cc: Qais Yousef <qais.yousef@arm.com> Applied to master, thanks. Regards, Arnout > --- > 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=$(HOST_DIR)/bin/llvm-tblgen > >
On 20/05/2021 22:04, Arnout Vandecappelle wrote: > > > On 20/12/2020 16:11, Romain Naour wrote: >> From: Jugurtha BELKALEM <jugurtha.belkalem@smile.fr> >> >> bcc is a front-end tool for eBPF : >> https://github.com/iovisor/bcc/blob/master/README.md. >> eBPF is the most powerful Linux tracer, and bcc >> allows to write eBPF scripts in C and PYTHON3. >> >> BCC requires enabling LLVM backend BPF support. >> >> Signed-off-by: Jugurtha BELKALEM <jugurtha.belkalem@smile.fr> >> Signed-off-by: Romain Naour <romain.naour@gmail.com> >> Tested-by: Qais Yousef <qais.yousef@arm.com> >> Reviewed-by: Qais Yousef <qais.yousef@arm.com> >> Cc: Qais Yousef <qais.yousef@arm.com> > > Applied to master, thanks. I mean to next! Regards, Arnout > > Regards, > Arnout > >> --- >> package/llvm/Config.in | 6 ++++++ >> package/llvm/llvm.mk | 5 +++++ >> 2 files changed, 11 insertions(+) >> >> diff --git a/package/llvm/Config.in b/package/llvm/Config.in >> index 1d21d879da..6ec2ffcfe6 100644 >> --- a/package/llvm/Config.in >> +++ b/package/llvm/Config.in >> @@ -47,6 +47,12 @@ config BR2_PACKAGE_LLVM_RTTI >> >> https://llvm.org/docs/HowToSetUpLLVMStyleRTTI.html >> >> +config BR2_PACKAGE_LLVM_BPF >> + bool "BPF backend" >> + help >> + Build BPF target. Select this option if you are going >> + to install bcc on the target. >> + >> endif >> >> comment "llvm needs a toolchain w/ wchar, threads, C++, gcc >= 4.8, dynamic library" >> diff --git a/package/llvm/llvm.mk b/package/llvm/llvm.mk >> index 24d033d124..48a298191c 100644 >> --- a/package/llvm/llvm.mk >> +++ b/package/llvm/llvm.mk >> @@ -61,6 +61,11 @@ ifeq ($(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 >> >>
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