a minimal working demo on bare metal

1 files changed, 74 insertions, 0 deletions

diff --git a/src/arch/x86_64/linker.ld b/src/arch/x86_64/linker.ld
new file mode 100644
index 0000000..7a03770
--- /dev/null
+++ b/src/arch/x86_64/linker.ld
@@ -0,0 +1,74 @@
+SECTIONS
+{
+   . = 0x100000;     /* system's start address */
+
+   .text :
+   {
+      *(".text")
+      *(".text.*")
+      *(".text$")
+      *(".init")
+      *(".fini")
+      *(".gnu.linkonce.*")
+   }
+
+   .init_array :
+   {
+      PROVIDE_HIDDEN (__init_array_start = .);
+      KEEP (*(SORT(.init_array.*)))
+      KEEP (*(.init_array))
+      KEEP (*(".ctors"))
+      KEEP (*(".ctor"))
+      PROVIDE_HIDDEN (__init_array_end = .);
+   }
+
+   .fini_array :
+   {
+      PROVIDE_HIDDEN (__fini_array_start = .);
+      KEEP (*(SORT(.fini_array.*)))
+      KEEP (*(.fini_array))
+      KEEP (*(".dtors"))
+      KEEP (*(".dtor"))
+      PROVIDE_HIDDEN (__fini_array_end = .);
+   }
+
+   .data :
+   {
+      *(".data")
+      *(".data$")
+      *(".rodata")
+      *(".rodata.*")
+      *(".got")
+      *(".got.plt")
+      *(".eh_frame")
+      *(".eh_fram")
+      *(".jcr")
+      *(".note.*")
+   }
+
+   .bss : 
+   {
+      ___BSS_START__ = .;
+      *(".bss")
+      *(".bss.*")
+      ___BSS_END__ = .;
+   }
+
+   /* global page table for 64-bit long mode */
+   .global_pagetable ALIGN(4096) (NOLOAD) :
+   {
+      *(".global_pagetable")
+   }
+
+/*
+   /DISCARD/ :
+   {
+      *(".note")
+      *(".comment")
+      *(".debug_line")
+      *(".debug_info")
+      *(".debug_abbrev")
+      *(".debug_aranges")
+   }
+*/
+}