diff options
Diffstat (limited to 'meta-oe/recipes-test/syzkaller/syzkaller/0001-sys-targets-targets.go-allow-users-to-override-hardc.patch')
| -rw-r--r-- | meta-oe/recipes-test/syzkaller/syzkaller/0001-sys-targets-targets.go-allow-users-to-override-hardc.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta-oe/recipes-test/syzkaller/syzkaller/0001-sys-targets-targets.go-allow-users-to-override-hardc.patch b/meta-oe/recipes-test/syzkaller/syzkaller/0001-sys-targets-targets.go-allow-users-to-override-hardc.patch new file mode 100644 index 0000000000..61f4351651 --- /dev/null +++ b/meta-oe/recipes-test/syzkaller/syzkaller/0001-sys-targets-targets.go-allow-users-to-override-hardc.patch @@ -0,0 +1,62 @@ +From aca1030d29f627314d13884ebc7b2c313d718df7 Mon Sep 17 00:00:00 2001 +From: Ovidiu Panait <ovidiu.panait@windriver.com> +Date: Wed, 13 Apr 2022 17:17:54 +0300 +Subject: [PATCH] sys/targets/targets.go: allow users to override hardcoded + cross-compilers + +Currently, cross compiler names are hardcoded for each os/arch combo. However, +toolchain tuples differ, especially when using vendor provided toolchains. +Allow users to specify the cross compiler for an os/arch combo using +SYZ_CC_<os>_<arch> environment variables. + +Also, remove hardcoded "-march=armv6" flag to fix compilation on arm. + +Upstream-Status: Inappropriate [embedded specific] + +Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com> +--- + sys/targets/targets.go | 19 +++++++++++-------- + 1 file changed, 11 insertions(+), 8 deletions(-) + +--- a/sys/targets/targets.go ++++ b/sys/targets/targets.go +@@ -262,7 +262,6 @@ var List = map[string]map[string]*Target + PtrSize: 4, + PageSize: 4 << 10, + LittleEndian: true, +- CFlags: []string{"-D__LINUX_ARM_ARCH__=6", "-march=armv6"}, + Triple: "arm-linux-gnueabi", + KernelArch: "arm", + KernelHeaderArch: "arm", +@@ -700,12 +699,16 @@ func initTarget(target *Target, OS, arch + for i := range target.CFlags { + target.replaceSourceDir(&target.CFlags[i], sourceDir) + } +- if OS == Linux && arch == runtime.GOARCH { +- // Don't use cross-compiler for native compilation, there are cases when this does not work: +- // https://github.com/google/syzkaller/pull/619 +- // https://github.com/google/syzkaller/issues/387 +- // https://github.com/google/syzkaller/commit/06db3cec94c54e1cf720cdd5db72761514569d56 +- target.Triple = "" ++ if OS == Linux { ++ if cc := os.Getenv("SYZ_CC_" + OS + "_" + arch); cc != "" { ++ target.CCompiler = cc ++ } else if arch == runtime.GOARCH { ++ // Don't use cross-compiler for native compilation, there are cases when this does not work: ++ // https://github.com/google/syzkaller/pull/619 ++ // https://github.com/google/syzkaller/issues/387 ++ // https://github.com/google/syzkaller/commit/06db3cec94c54e1cf720cdd5db72761514569d56 ++ target.Triple = "" ++ } + } + if target.CCompiler == "" { + target.setCompiler(useClang) +@@ -839,7 +842,7 @@ func (target *Target) lazyInit() { + // On CI we want to fail loudly if cross-compilation breaks. + // Also fail if SOURCEDIR_GOOS is set b/c in that case user probably assumes it will work. + if (target.OS != runtime.GOOS || !runningOnCI) && getSourceDir(target) == "" { +- if _, err := exec.LookPath(target.CCompiler); err != nil { ++ if _, err := exec.LookPath(strings.Fields(target.CCompiler)[0]); err != nil { + target.BrokenCompiler = fmt.Sprintf("%v is missing (%v)", target.CCompiler, err) + return + } |