[PATCH 3/8] x86/EFI: program headers are an ELF concept

[Jan Beulich <jbeulich@xxxxxxxx>]

While they apparently do no harm when building xen.efi, their use is
potentially misleading. Conditionalize their use to be for just the ELF
binary we produce.

No change to the resulting binaries.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -34,13 +34,19 @@ OUTPUT_FORMAT(FORMAT, FORMAT, FORMAT)
 
 OUTPUT_ARCH(i386:x86-64)
 
+#ifndef EFI
 PHDRS
 {
   text PT_LOAD ;
-#if (defined(BUILD_ID) || defined (CONFIG_PVH_GUEST)) && !defined(EFI)
+#if defined(BUILD_ID) || defined(CONFIG_PVH_GUEST)
   note PT_NOTE ;
 #endif
 }
+#define PHDR(x) :x
+#else
+#define PHDR(x)
+#endif
+
 SECTIONS
 {
 #if !defined(EFI)
@@ -83,7 +89,7 @@ SECTIONS
        *(.text.kexec)
        *(.gnu.warning)
        _etext = .;             /* End of text section */
-  } :text = 0x9090
+  } PHDR(text) = 0x9090
 
   . = ALIGN(SECTION_ALIGN);
   __2M_text_end = .;
@@ -134,7 +140,7 @@ SECTIONS
        *(SORT(.data.vpci.*))
        __end_vpci_array = .;
 #endif
-  } :text
+  } PHDR(text)
 
 #if defined(CONFIG_PVH_GUEST) && !defined(EFI)
   DECL_SECTION(.note.Xen) {
@@ -160,7 +166,7 @@ SECTIONS
        __note_gnu_build_id_start = .;
        *(.buildid)
        __note_gnu_build_id_end = .;
-  } :text
+  }
 #endif
 #endif
 
@@ -260,7 +266,7 @@ SECTIONS
        *(SORT(.data.vpci.*))
        __end_vpci_array = .;
 #endif
-  } :text
+  } PHDR(text)
 
   . = ALIGN(SECTION_ALIGN);
   __init_end = .;
@@ -281,7 +287,7 @@ SECTIONS
        *(.data.paramhypfs)
        __paramhypfs_end = .;
 #endif
-  } :text
+  } PHDR(text)
 
   DECL_SECTION(.data) {
        *(.data.page_aligned)
@@ -289,7 +295,7 @@ SECTIONS
        *(.data.rel)
        *(.data.rel.*)
        CONSTRUCTORS
-  } :text
+  } PHDR(text)
 
   DECL_SECTION(.bss) {
        __bss_start = .;
@@ -306,7 +312,7 @@ SECTIONS
        *(.bss)
        . = ALIGN(POINTER_ALIGN);
        __bss_end = .;
-  } :text
+  } PHDR(text)
   _end = . ;
 
   . = ALIGN(SECTION_ALIGN);
@@ -316,12 +322,12 @@ SECTIONS
   . = ALIGN(4);
   DECL_SECTION(.reloc) {
     *(.reloc)
-  } :text
+  }
   /* Trick the linker into setting the image size to exactly 16Mb. */
   . = ALIGN(__section_alignment__);
   DECL_SECTION(.pad) {
     . = ALIGN(MB(16));
-  } :text
+  }
 #endif
 
 #ifndef XEN_BUILD_EFI