powerpc32 vDSO: linker script indentation

This cleans up the formatting in the vDSO linker script, mostly just the
use of whitespace.  It's intended to approximate the kernel standard
conventions for indenting C, treating elements of the linker script about
like initialized variable definitions.
Signed-off-by: Roland McGrath <roland@redhat.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/powerpc/kernel/vdso32/vdso32.lds.S

-
 /*
  * This is the infamous ld script for the 32 bits vdso
  * library
  */
 #include <asm/vdso.h>
 
-/* Default link addresses for the vDSOs */
 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
 OUTPUT_ARCH(powerpc:common)
 ENTRY(_start)
@@ -13,6 +11,7 @@ ENTRY(_start)
 SECTIONS
 {
 	. = VDSO32_LBASE + SIZEOF_HEADERS;
+
 	.hash          	: { *(.hash) }			:text
 	.gnu.hash      	: { *(.gnu.hash) }
 	.dynsym        	: { *(.dynsym) }
@@ -23,28 +22,25 @@ SECTIONS
 
 	.note		: { *(.note.*) }		:text	:note
 
-  . = ALIGN (16);
-  .text :
-  {
+	. = ALIGN(16);
+	.text		: {
 		*(.text .stub .text.* .gnu.linkonce.t.*)
 	}
-  PROVIDE (__etext = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
+	PROVIDE(__etext = .);
+	PROVIDE(_etext = .);
+	PROVIDE(etext = .);
 
 	. = ALIGN(8);
-  __ftr_fixup : {
-    *(__ftr_fixup)
-  }
+	__ftr_fixup	: { *(__ftr_fixup) }
 
 #ifdef CONFIG_PPC64
 	. = ALIGN(8);
-  __fw_ftr_fixup : {
-    *(__fw_ftr_fixup)
-  }
+	__fw_ftr_fixup	: { *(__fw_ftr_fixup) }
 #endif
 
-  /* Other stuff is appended to the text segment: */
+	/*
+	 * Other stuff is appended to the text segment:
+	 */
 	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
 	.rodata1	: { *(.rodata1) }
 
@@ -59,10 +55,10 @@ SECTIONS
 
 	_end = .;
 	__end = .;
-  PROVIDE (end = .);
-
+	PROVIDE(end = .);
 
-  /* Stabs debugging sections are here too
+	/*
+	 * Stabs debugging sections are here too.
 	 */
 	.stab 0 : { *(.stab) }
 	.stabstr 0 : { *(.stabstr) }
@@ -71,15 +67,22 @@ SECTIONS
 	.stab.index 0 : { *(.stab.index) }
 	.stab.indexstr 0 : { *(.stab.indexstr) }
 	.comment       0 : { *(.comment) }
+
+	/*
+	 * DWARF debug sections.
+	 * Symbols in the DWARF debugging sections are relative to the beginning
+	 * of the section so we begin them at 0.
+	 */
+	/* DWARF 1 */
 	.debug          0 : { *(.debug) }
 	.line           0 : { *(.line) }
-
+	/* GNU DWARF 1 extensions */
 	.debug_srcinfo  0 : { *(.debug_srcinfo) }
 	.debug_sfnames  0 : { *(.debug_sfnames) }
-
+	/* DWARF 1.1 and DWARF 2 */
 	.debug_aranges  0 : { *(.debug_aranges) }
 	.debug_pubnames 0 : { *(.debug_pubnames) }
-
+	/* DWARF 2 */
 	.debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
 	.debug_abbrev   0 : { *(.debug_abbrev) }
 	.debug_line     0 : { *(.debug_line) }
@@ -87,27 +90,36 @@ SECTIONS
 	.debug_str      0 : { *(.debug_str) }
 	.debug_loc      0 : { *(.debug_loc) }
 	.debug_macinfo  0 : { *(.debug_macinfo) }
-
+	/* SGI/MIPS DWARF 2 extensions */
 	.debug_weaknames 0 : { *(.debug_weaknames) }
 	.debug_funcnames 0 : { *(.debug_funcnames) }
 	.debug_typenames 0 : { *(.debug_typenames) }
 	.debug_varnames  0 : { *(.debug_varnames) }
 
-  /DISCARD/ : { *(.note.GNU-stack) }
-  /DISCARD/ : { *(.data .data.* .gnu.linkonce.d.* .sdata*) }
-  /DISCARD/ : { *(.bss .sbss .dynbss .dynsbss) }
+	/DISCARD/	: {
+		*(.note.GNU-stack)
+		*(.data .data.* .gnu.linkonce.d.* .sdata*)
+		*(.bss .sbss .dynbss .dynsbss)
+	}
 }
 
+/*
+ * Very old versions of ld do not recognize this name token; use the constant.
+ */
+#define PT_GNU_EH_FRAME	0x6474e550
 
+/*
+ * We must supply the ELF program headers explicitly to get just one
+ * PT_LOAD segment, and set the flags explicitly to make segments read-only.
+ */
 PHDRS
 {
 	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
-  note PT_NOTE FLAGS(4); /* PF_R */
 	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
-  eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
+	note		PT_NOTE FLAGS(4);		/* PF_R */
+	eh_frame_hdr	PT_GNU_EH_FRAME;
 }
 
-
 /*
  * This controls what symbols we export from the DSO.
  */
@@ -115,7 +127,11 @@ VERSION
 {
 	VDSO_VERSION_STRING {
 	global:
-	__kernel_datapage_offset; /* Has to be there for the kernel to find */
+		/*
+		 * Has to be there for the kernel to find
+		 */
+		__kernel_datapage_offset;
+
 		__kernel_get_syscall_map;
 		__kernel_gettimeofday;
 		__kernel_clock_gettime;
@@ -125,6 +141,7 @@ VERSION
 		__kernel_sync_dicache_p5;
 		__kernel_sigtramp32;
 		__kernel_sigtramp_rt32;
+
 	local: *;
 	};
 }