GP-6007: Updated NDS32 analyzer and elf relocation handler and test

fixups

Ghidra/Extensions/SleighDevTools/pcodetest/c_src/misc_BODY.c

@@ -16,6 +16,14 @@
 #include "pcode_test.h"
 #include "big_struct.h"
 
+#ifdef HAS_LIBC
+#include <string.h>
+#else
+void *memset(void *b, int c, size_t len);
+void *memcpy(void *dst, const void *src, size_t n);
+int memcmp(const void *s1, const void *s2, size_t n);
+#endif
+
 static i4 int_expectedValue;
 static i4 int_actualValue;
 

Ghidra/Extensions/SleighDevTools/pcodetest/defaults.py

@@ -47,12 +47,14 @@ pcodeTestDefaults.has_vector = 0
 pcodeTestDefaults.small_build = 0
 pcodeTestDefaults.ld_library_path = ''
 pcodeTestDefaults.toolchain_type = 'gcc'
-pcodeTestDefaults.compile_exe = 'bin/gcc'
-pcodeTestDefaults.objdump_exe = 'bin/objdump'
+pcodeTestDefaults.compile_exe = 'gcc'
+pcodeTestDefaults.objdump_exe = 'objdump'
 pcodeTestDefaults.objdump_option = ''
-pcodeTestDefaults.readelf_exe = 'bin/readelf'
-pcodeTestDefaults.nm_exe = 'bin/nm'
-pcodeTestDefaults.strip_exe = 'bin/strip'
+pcodeTestDefaults.readelf_exe = 'readelf'
+pcodeTestDefaults.exec_dir = 'bin/'
+pcodeTestDefaults.exec_prefix = ''
+pcodeTestDefaults.nm_exe = 'nm'
+pcodeTestDefaults.strip_exe = 'strip'
 pcodeTestDefaults.variants = {'O0': '-O0', 'O3': '-O3'}
 pcodeTestDefaults.proc_test = ''
 pcodeTestDefaults.force = False

Ghidra/Extensions/SleighDevTools/pcodetest/pcode_defs.py

@@ -436,7 +436,7 @@ PCodeTest({
     'name': 'NDS32BE',
     'build_all': 1,
     'toolchain': 'NDS32/nds32be-elf',
-    'ccflags': '',
+    'ccflags': '-mbig-endian',
     'cclibs': '-lgcc',
     'language_id': 'NDS32:BE:32:default',
 })
@@ -444,9 +444,20 @@ PCodeTest({
 PCodeTest({
     'name': 'NDS32LE',
     'build_all': 1,
-    'toolchain': 'NDS32/nds32le-elf',
+    'toolchain': 'NDS32/nds32le-elf',#'NDS32/nds32le-linux-glibc-v5d',
+    'ccflags': '-mlittle-endian -EL',
+    'cclibs': '-lgcc',
+    'language_id': 'NDS32:LE:32:default',
+})
+
+PCodeTest({
+    'name': 'NDS32AS',
+    'build_all': 1,
+    'toolchain': 'NDS32/nds32le-elf-mculib-v3s',
+    'exec_prefix': 'nds32le-elf-',
     'ccflags': '',
     'cclibs': '-lgcc',
+    'gcc_version': '12.2.0',
     'language_id': 'NDS32:LE:32:default',
 })
 

Ghidra/Extensions/SleighDevTools/pcodetest/pcodetest.py

@@ -88,7 +88,13 @@ class PCodeTestBuild(BuildUtil):
     def main(self):
 
         # make sure compiler exists and runnable
-
+        self.config.compile_exe = self.config.exec_dir + self.config.exec_prefix + self.config.compile_exe
+        self.config.build_exe = self.config.exec_dir + str(self.config.exec_prefix) + str(self.config.build_exe)
+        self.config.strip_exe = self.config.exec_dir + str(self.config.exec_prefix) + str(self.config.strip_exe)
+        self.config.objdump_exe = self.config.exec_dir + str(self.config.exec_prefix) + str(self.config.objdump_exe)
+        self.config.readelf_exe = self.config.exec_dir + str(self.config.exec_prefix) + str(self.config.readelf_exe)
+        self.config.nm_exe = self.config.exec_dir + str(self.config.exec_prefix) + str(self.config.nm_exe)
+        
         if not self.is_executable_file(self.which('compile_exe')):
             self.log_err(self.config.format('build the Toolchain before compilation'))
             return
@@ -427,6 +433,7 @@ class PCodeBuildGCC(PCodeTestBuild):
         self.set_library_path(self.config.ld_library_path)
 
         # Construct the compile/link command line and execute it
+            
         cmp = self.which('compile_exe')
         cmd = [cmp] + input_files + self.cflags(output_file)  + [opt_cflag, '-B', self.dirname(cmp), '-o', output_file]
         out, err = self.run(cmd)