1 files changed, 82 insertions, 0 deletions

diff --git a/meta/classes-recipe/linuxloader.bbclass b/meta/classes-recipe/linuxloader.bbclass
new file mode 100644
index 0000000000..1dfb95e31d
--- /dev/null
+++ b/meta/classes-recipe/linuxloader.bbclass
@@ -0,0 +1,82 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+def get_musl_loader_arch(d):
+    import re
+    ldso_arch = "NotSupported"
+
+    targetarch = d.getVar("TARGET_ARCH")
+    if targetarch.startswith("microblaze"):
+        ldso_arch = "microblaze${@bb.utils.contains('TUNE_FEATURES', 'bigendian', '', 'el', d)}"
+    elif targetarch.startswith("mips"):
+        ldso_arch = "mips${ABIEXTENSION}${MIPSPKGSFX_BYTE}${MIPSPKGSFX_R6}${MIPSPKGSFX_ENDIAN}${@['', '-sf'][d.getVar('TARGET_FPU') == 'soft']}"
+    elif targetarch == "powerpc":
+        ldso_arch = "powerpc${@['', '-sf'][d.getVar('TARGET_FPU') == 'soft']}"
+    elif targetarch.startswith("powerpc64"):
+        ldso_arch = "powerpc64${@bb.utils.contains('TUNE_FEATURES', 'bigendian', '', 'le', d)}"
+    elif targetarch == "x86_64":
+        ldso_arch = "x86_64"
+    elif re.search("i.86", targetarch):
+        ldso_arch = "i386"
+    elif targetarch.startswith("arm"):
+        ldso_arch = "arm${ARMPKGSFX_ENDIAN}${ARMPKGSFX_EABI}"
+    elif targetarch.startswith("aarch64"):
+        ldso_arch = "aarch64${ARMPKGSFX_ENDIAN_64}"
+    elif targetarch.startswith("riscv64"):
+        ldso_arch = "riscv64${@['', '-sf'][d.getVar('TARGET_FPU') == 'soft']}"
+    elif targetarch.startswith("riscv32"):
+        ldso_arch = "riscv32${@['', '-sf'][d.getVar('TARGET_FPU') == 'soft']}"
+    return ldso_arch
+
+def get_musl_loader(d):
+    import re
+    return "/lib/ld-musl-" + get_musl_loader_arch(d) + ".so.1"
+
+def get_glibc_loader(d):
+    import re
+
+    dynamic_loader = "NotSupported"
+    targetarch = d.getVar("TARGET_ARCH")
+    if targetarch in ["powerpc", "microblaze"]:
+        dynamic_loader = "${base_libdir}/ld.so.1"
+    elif targetarch in ["mipsisa32r6el", "mipsisa32r6", "mipsisa64r6el", "mipsisa64r6"]:
+        dynamic_loader = "${base_libdir}/ld-linux-mipsn8.so.1"
+    elif targetarch.startswith("mips"):
+        dynamic_loader = "${base_libdir}/ld.so.1"
+    elif targetarch == "powerpc64le":
+        dynamic_loader = "${base_libdir}/ld64.so.2"
+    elif targetarch == "powerpc64":
+        dynamic_loader = "${base_libdir}/ld64.so.1"
+    elif targetarch == "x86_64":
+        dynamic_loader = "${base_libdir}/ld-linux-x86-64.so.2"
+    elif re.search("i.86", targetarch):
+        dynamic_loader = "${base_libdir}/ld-linux.so.2"
+    elif targetarch == "arm":
+        dynamic_loader = "${base_libdir}/ld-linux${@['-armhf', ''][d.getVar('TARGET_FPU') == 'soft']}.so.3"
+    elif targetarch.startswith("aarch64"):
+        dynamic_loader = "${base_libdir}/ld-linux-aarch64${ARMPKGSFX_ENDIAN_64}.so.1"
+    elif targetarch.startswith("riscv64"):
+        dynamic_loader = "${base_libdir}/ld-linux-riscv64-lp64${@['d', ''][d.getVar('TARGET_FPU') == 'soft']}.so.1"
+    elif targetarch.startswith("riscv32"):
+        dynamic_loader = "${base_libdir}/ld-linux-riscv32-ilp32${@['d', ''][d.getVar('TARGET_FPU') == 'soft']}.so.1"
+    return dynamic_loader
+
+def get_linuxloader(d):
+    overrides = d.getVar("OVERRIDES").split(":")
+
+    if "libc-baremetal" in overrides:
+        return "NotSupported"
+
+    if "libc-musl" in overrides:
+        dynamic_loader = get_musl_loader(d)
+    else:
+        dynamic_loader = get_glibc_loader(d)
+    return dynamic_loader
+
+get_linuxloader[vardepvalue] = "${@get_linuxloader(d)}"
+get_musl_loader[vardepvalue] = "${@get_musl_loader(d)}"
+get_musl_loader_arch[vardepvalue] = "${@get_musl_loader_arch(d)}"
+get_glibc_loader[vardepvalue] = "${@get_glibc_loader(d)}"