sys: consolidate info about various targets

Info about targets (like C arch/CFLAGS) is required in multiple places:
extract.sh
syz-extract
syz-sysgen
csource
vm/qemu
...

Consolidate it in one place and use that in syz-sysgen.

1 files changed, 55 insertions, 0 deletions

diff --git a/sys/sys.go b/sys/sys.go
index f41d68dbc..d5ddd6028 100644
--- a/sys/sys.go
+++ b/sys/sys.go
@@ -6,3 +6,58 @@ package sys
 import (
 	_ "github.com/google/syzkaller/sys/linux"
 )
+
+type Target struct {
+	PtrSize            uint64
+	CArch              []string
+	CFlags             []string
+	CCompiler          string
+	KernelArch         string
+	KernelHeaderArch   string
+	KernelCrossCompile string
+}
+
+var Targets = map[string]map[string]*Target{
+	"linux": map[string]*Target{
+		"amd64": {
+			PtrSize:          8,
+			CArch:            []string{"__x86_64__"},
+			CFlags:           []string{"-m64"},
+			CCompiler:        "x86_64-linux-gnu-",
+			KernelArch:       "x86_64",
+			KernelHeaderArch: "x86",
+		},
+		"386": {
+			PtrSize:          4,
+			CArch:            []string{"__i386__"},
+			CFlags:           []string{"-m32"},
+			CCompiler:        "x86_64-linux-gnu-",
+			KernelArch:       "i386",
+			KernelHeaderArch: "x86",
+		},
+		"arm64": {
+			PtrSize:          8,
+			CArch:            []string{"__aarch64__"},
+			CFlags:           []string{},
+			CCompiler:        "aarch64-linux-gnu-",
+			KernelArch:       "arm64",
+			KernelHeaderArch: "arm64",
+		},
+		"arm": {
+			PtrSize:          4,
+			CArch:            []string{"__arm__"},
+			CFlags:           []string{"-D__LINUX_ARM_ARCH__=6", "-march=armv6t2", "-m32"},
+			CCompiler:        "arm-linux-gnueabihf-",
+			KernelArch:       "arm",
+			KernelHeaderArch: "arm",
+		},
+		"ppc64le": {
+			PtrSize:          8,
+			CArch:            []string{"__ppc64__", "__PPC64__", "__powerpc64__"},
+			CFlags:           []string{"-D__powerpc64__"},
+			CCompiler:        "powerpc64le-linux-gnu-",
+			KernelArch:       "powerpc",
+			KernelHeaderArch: "powerpc",
+		},
+	},
+}