embed gdb python script to autoload dso symbols

include/dlfcn.h

@@ -40,6 +40,38 @@ typedef struct {
 extern "C" {
 #endif
 
+// Embedded GDB script to auto-load DSO symbols
+#ifndef N64_DSO
+asm(
+".pushsection \".debug_gdb_scripts\", \"MS\",@progbits,1\n"
+".byte 4\n"
+".ascii \"gdb.inlined-script-dso-autoload\\n\"\n"
+".ascii \"import gdb\\n\"\n"
+".ascii \"class BreakpointDsoLoad(gdb.Breakpoint):\\n\"\n"
+".ascii \"  def stop(self):\\n\"\n"
+".ascii \"    frame = gdb.selected_frame()\\n\"\n"
+".ascii \"    src_elf = gdb.execute('printf \\\"%s\\\", module->src_elf', False, True)\\n\"\n"
+".ascii \"    prog_base = int(gdb.execute('printf \\\"%x\\\", module->prog_base', False, True), 16)\\n\"\n"
+".ascii \"    print(\\\"Loading overlay: \\\", src_elf, \\\"(text:\\\", hex(prog_base), \\\")\\\")\\n\"\n"
+".ascii \"    gdb.execute(\\\"add-symbol-file -readnow \\\" + src_elf + \\\" \\\" + hex(prog_base), False, True)\\n\"\n"
+".ascii \"    return False\\n\"\n"
+".ascii \"class BreakpointDsoFree(gdb.Breakpoint):\\n\"\n"
+".ascii \"  def stop(self):\\n\"\n"
+".ascii \"    frame = gdb.selected_frame()\\n\"\n"
+".ascii \"    src_elf = gdb.execute('printf \\\"%s\\\", module->src_elf', False, True)\\n\"\n"
+".ascii \"    prog_base = int(gdb.execute('printf \\\"%x\\\", module->prog_base', False, True), 16)\\n\"\n"
+".ascii \"    print(\\\"Unloading overlay: \\\", src_elf, \\\"(text:\\\", hex(prog_base), \\\")\\\")\\n\"\n"
+".ascii \"    gdb.execute(\\\"remove-symbol-file -a \\\" + hex(prog_base), False, True)\\n\"\n"
+".ascii \"    return False\\n\"\n"
+".ascii \"bp_load = BreakpointDsoLoad(\\\"__dl_insert_module\\\")\\n\"\n"
+".ascii \"bp_load.silent = True\\n\"\n"
+".ascii \"bl_free = BreakpointDsoFree(\\\"__dl_remove_module\\\")\\n\"\n"
+".ascii \"bl_free.silent = True\\n\"\n"
+".byte 0\n"
+".popsection\n"
+);
+#endif
+
 /**
  * @brief Open dynamic library
  *