m1n1: toolchain: llvm: Link with --pie

ld.lld started with 21.1 using 0x200000 as image base conflicting with
the fixed address of 0x1238 for the .text section used in m1n1's asm.py.
Linking as position independent executable avoids this.

Signed-off-by: Janne Grunau <[email protected]>

Author: jannau

proxyclient/m1n1/toolchain.py

@@ -145,7 +145,7 @@ def _set_tools_clang(self, clangdir: str, llddir: str = None):
 
         # pylint: disable=invalid-name
         self.CC = clangdir + "clang --target=" + self.ARCH + " " + self.CFLAGS
-        self.LD = llddir + "ld.lld -maarch64elf"
+        self.LD = llddir + "ld.lld -maarch64elf --pie"
         self.OBJCOPY = clangdir + "llvm-objcopy"
         self.OBJDUMP = clangdir + "llvm-objdump"
         self.NM = clangdir + "llvm-nm"

tests/python/test_proxyclient/test_m1n1/test_toolchain.py

@@ -55,7 +55,7 @@ class TestToolchain:
                     "use_clang": True,
                     "has_brew": True,
                     "CC": "/opt/homebrew/opt/llvm/bin/clang --target=aarch64-linux-gnu- -pipe -Wall -march=armv8.4-a",
-                    "LD": "/opt/homebrew/opt/lld/bin/ld.lld -maarch64elf",
+                    "LD": "/opt/homebrew/opt/lld/bin/ld.lld -maarch64elf --pie",
                     "OBJCOPY": "/opt/homebrew/opt/llvm/bin/llvm-objcopy",
                     "OBJDUMP": "/opt/homebrew/opt/llvm/bin/llvm-objdump",
                     "NM": "/opt/homebrew/opt/llvm/bin/llvm-nm",
@@ -100,7 +100,7 @@ class TestToolchain:
                     "use_clang": True,
                     "has_brew": True,
                     "CC": "/usr/local/opt/llvm/bin/clang --target=aarch64-linux-gnu- -pipe -Wall -march=armv8.4-a",
-                    "LD": "/usr/local/opt/lld/bin/ld.lld -maarch64elf",
+                    "LD": "/usr/local/opt/lld/bin/ld.lld -maarch64elf --pie",
                     "OBJCOPY": "/usr/local/opt/llvm/bin/llvm-objcopy",
                     "OBJDUMP": "/usr/local/opt/llvm/bin/llvm-objdump",
                     "NM": "/usr/local/opt/llvm/bin/llvm-nm",
@@ -115,7 +115,7 @@ class TestToolchain:
                     "use_clang": True,
                     "has_brew": False,
                     "CC": "/usr/local/bin/clang --target=aarch64-none-elf- -pipe -Wall -march=armv8.4-a",
-                    "LD": "/usr/local/bin/ld.lld -maarch64elf",
+                    "LD": "/usr/local/bin/ld.lld -maarch64elf --pie",
                     "OBJCOPY": "/usr/local/bin/llvm-objcopy",
                     "OBJDUMP": "/usr/local/bin/llvm-objdump",
                     "NM": "/usr/local/bin/llvm-nm",
@@ -130,7 +130,7 @@ class TestToolchain:
                     "use_clang": True,
                     "has_brew": False,
                     "CC": "/usr/local/bin/clang --target=aarch64-none-elf- -pipe -Wall -march=armv8.4-a",
-                    "LD": "/usr/local/bin/ld.lld -maarch64elf",
+                    "LD": "/usr/local/bin/ld.lld -maarch64elf --pie",
                     "OBJCOPY": "/usr/local/bin/llvm-objcopy",
                     "OBJDUMP": "/usr/local/bin/llvm-objdump",
                     "NM": "/usr/local/bin/llvm-nm",