vmlinux.lds.h: Replace RO_DATA_SECTION with RO_DATA

Finish renaming RO_DATA_SECTION to RO_DATA. (Calling this a "section"
is a lie, since it's multiple sections and section flags cannot be
applied to the macro.)
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> # s390
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Will Deacon <will@kernel.org>
Cc: x86-ml <x86@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-13-keescook@chromium.org

arch/arc/kernel/vmlinux.lds.S

@@ -95,7 +95,7 @@ SECTIONS
 	_etext = .;
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 
 	/*
 	 * 1. this is .data essentially

arch/c6x/kernel/vmlinux.lds.S

@@ -82,7 +82,7 @@ SECTIONS
 
 	EXCEPTION_TABLE(16)
 
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	.const :
 	{
 		*(.const .const.* .gnu.linkonce.r.*)

arch/csky/kernel/vmlinux.lds.S

@@ -49,7 +49,7 @@ SECTIONS
 
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 

arch/h8300/kernel/vmlinux.lds.S

@@ -38,7 +38,7 @@ SECTIONS
 	_etext = . ;
 	}
 	EXCEPTION_TABLE(16)
-	RO_DATA_SECTION(4)
+	RO_DATA(4)
 	ROMEND = .;
 #if defined(CONFIG_ROMKERNEL)
 	. = RAMTOP;

arch/hexagon/kernel/vmlinux.lds.S

@@ -50,7 +50,7 @@ SECTIONS
 
 	_sdata = .;
 		RW_DATA_SECTION(32,PAGE_SIZE,_THREAD_SIZE)
-		RO_DATA_SECTION(PAGE_SIZE)
+		RO_DATA(PAGE_SIZE)
 	_edata = .;
 
 	EXCEPTION_TABLE(16)

arch/m68k/kernel/vmlinux-nommu.lds

@@ -60,7 +60,7 @@ SECTIONS {
 #endif
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 

arch/nds32/kernel/vmlinux.lds.S

@@ -53,7 +53,7 @@ SECTIONS
 	_etext = .;			/* End of text and rodata section */
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata  =  .;
 

arch/nios2/kernel/vmlinux.lds.S

@@ -49,7 +49,7 @@ SECTIONS
 	__init_end = .;
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 

arch/openrisc/kernel/vmlinux.lds.S

@@ -67,8 +67,8 @@ SECTIONS
 
 	_sdata = .;
 
-	/* Page alignment required for RO_DATA_SECTION */
-	RO_DATA_SECTION(PAGE_SIZE)
+	/* Page alignment required for RO_DATA */
+	RO_DATA(PAGE_SIZE)
 	_e_kernel_ro = .;
 
 	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */

arch/parisc/kernel/vmlinux.lds.S

@@ -109,7 +109,7 @@ SECTIONS
 	_sdata = .;
 
 	/* Architecturally we need to keep __gp below 0x1000000 and thus
-	 * in front of RO_DATA_SECTION() which stores lots of tracepoint
+	 * in front of RO_DATA() which stores lots of tracepoint
 	 * and ftrace symbols. */
 #ifdef CONFIG_64BIT
 	. = ALIGN(16);
@@ -127,7 +127,7 @@ SECTIONS
 	}
 #endif
 
-	RO_DATA_SECTION(8)
+	RO_DATA(8)
 
 	/* RO because of BUILDTIME_EXTABLE_SORT */
 	EXCEPTION_TABLE(8)

arch/riscv/kernel/vmlinux.lds.S

@@ -52,7 +52,7 @@ SECTIONS
 
 	/* Start of data section */
 	_sdata = .;
-	RO_DATA_SECTION(L1_CACHE_BYTES)
+	RO_DATA(L1_CACHE_BYTES)
 	.srodata : {
 		*(.srodata*)
 	}

arch/s390/kernel/vmlinux.lds.S

@@ -52,7 +52,7 @@ SECTIONS
 		_etext = .;		/* End of text section */
 	} :text = 0x0700
 
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 
 	. = ALIGN(PAGE_SIZE);
 	_sdata = .;		/* Start of data section */

arch/unicore32/kernel/vmlinux.lds.S

@@ -43,7 +43,7 @@ SECTIONS
 	_etext = .;
 
 	_sdata = .;
-	RO_DATA_SECTION(PAGE_SIZE)
+	RO_DATA(PAGE_SIZE)
 	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	_edata = .;
 

include/asm-generic/vmlinux.lds.h

@@ -23,7 +23,7 @@
  *	_etext = .;
  *
  *      _sdata = .;
- *	RO_DATA_SECTION(PAGE_SIZE)
+ *	RO_DATA(PAGE_SIZE)
  *	RW_DATA_SECTION(...)
  *	_edata = .;
  *
@@ -363,7 +363,7 @@
 /*
  * Read only Data
  */
-#define RO_DATA_SECTION(align)						\
+#define RO_DATA(align)							\
 	. = ALIGN((align));						\
 	.rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {		\
 		__start_rodata = .;					\
@@ -518,9 +518,6 @@
 	. = ALIGN((align));						\
 	__end_rodata = .;
 
-/* All archs are supposed to use RO_DATA() */
-#define RO_DATA(align)  RO_DATA_SECTION(align)
-
 /*
  * .text section. Map to function alignment to avoid address changes
  * during second ld run in second ld pass when generating System.map