ppc64: add asm/sections.h

arch/ppc64/boot/main.c

@@ -45,7 +45,7 @@ char *avail_high;
 unsigned int heap_use;
 unsigned int heap_max;
 
-extern char _end[];
+extern char _start[];
 extern char _vmlinux_start[];
 extern char _vmlinux_end[];
 extern char _sysmap_start[];
@@ -85,7 +85,6 @@ void
 start(unsigned long a1, unsigned long a2, void *promptr)
 {
 	unsigned long i, claim_addr, claim_size;
-	extern char _start;
 	struct bi_record *bi_recs;
 	kernel_entry_t kernel_entry;
 	Elf64_Ehdr *elf64;
@@ -101,7 +100,7 @@ start(unsigned long a1, unsigned long a2, void *promptr)
 	if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4)
 		exit();
 
-	printf("zImage starting: loaded at 0x%x\n\r", (unsigned)&_start);
+	printf("zImage starting: loaded at 0x%x\n\r", (unsigned)_start);
 
 #if 0
 	sysmap.size = (unsigned long)(_sysmap_end - _sysmap_start);

arch/ppc64/kernel/iSeries_setup.c

@@ -39,6 +39,7 @@
 #include "iSeries_setup.h"
 #include <asm/naca.h>
 #include <asm/paca.h>
+#include <asm/sections.h>
 #include <asm/iSeries/LparData.h>
 #include <asm/iSeries/HvCallHpt.h>
 #include <asm/iSeries/HvLpConfig.h>
@@ -91,9 +92,6 @@ extern unsigned long embedded_sysmap_end;
 extern unsigned long iSeries_recal_tb;
 extern unsigned long iSeries_recal_titan;
 
-extern char _stext;
-extern char _etext;
-
 static int mf_initialized = 0;
 
 struct MemoryBlock {
@@ -387,7 +385,7 @@ iSeries_init(unsigned long r3, unsigned long r4, unsigned long r5,
                         if (p > cmd_line && p[-1] != ' ')
                                 continue;
                         dprof_shift = simple_strtoul(q, &q, 0);
-			dprof_len = (unsigned long)&_etext - (unsigned long)&_stext;
+			dprof_len = (unsigned long)_etext - (unsigned long)_stext;
 			dprof_len >>= dprof_shift;
 			size = ((dprof_len * sizeof(unsigned int)) + (PAGE_SIZE-1)) & PAGE_MASK;
 			dprof_buffer = (unsigned int *)((klimit + (PAGE_SIZE-1)) & PAGE_MASK);
@@ -868,7 +866,7 @@ static void iSeries_setup_dprofile(void)
 			paca[i].prof_shift = dprof_shift;
 			paca[i].prof_len = dprof_len-1;
 			paca[i].prof_buffer = dprof_buffer;
-			paca[i].prof_stext = (unsigned *)&_stext;
+			paca[i].prof_stext = (unsigned *)_stext;
 			mb();
 			paca[i].prof_enabled = 1;
 		}

arch/ppc64/kernel/process.c

@@ -46,6 +46,7 @@
 #include <asm/iSeries/HvCallHpt.h>
 #include <asm/hardirq.h>
 #include <asm/cputable.h>
+#include <asm/sections.h>
 
 struct task_struct *last_task_used_math = NULL;
 
@@ -424,8 +425,6 @@ void initialize_paca_hardware_interrupt_stack(void)
 	}
 }
 
-extern char _stext[], _etext[], __init_begin[], __init_end[];
-
 char *ppc_find_proc_name(unsigned *p, char *buf, unsigned buflen)
 {
 	unsigned long tb_flags;

arch/ppc64/kernel/setup.c

@@ -38,6 +38,7 @@
 #include <asm/paca.h>
 #include <asm/ppcdebug.h>
 #include <asm/time.h>
+#include <asm/sections.h>
 
 extern unsigned long klimit;
 /* extern void *stab; */
@@ -489,7 +490,6 @@ extern void sort_exception_table(void);
 void __init setup_arch(char **cmdline_p)
 {
 	extern int panic_timeout;
-	extern char _etext[], _edata[];
 	extern void do_init_bootmem(void);
 
 	calibrate_delay = ppc64_calibrate_delay;
@@ -516,7 +516,7 @@ void __init setup_arch(char **cmdline_p)
 	init_mm.start_code = PAGE_OFFSET;
 	init_mm.end_code = (unsigned long) _etext;
 	init_mm.end_data = (unsigned long) _edata;
-	init_mm.brk = (unsigned long) klimit;
+	init_mm.brk = klimit;
 	
 	/* Save unparsed command line copy for /proc/cmdline */
 	strcpy(saved_command_line, cmd_line);

arch/ppc64/kernel/time.c

@@ -58,10 +58,10 @@
 #include <asm/iSeries/HvCallXm.h>
 #endif
 #include <asm/uaccess.h>
-
 #include <asm/time.h>
 #include <asm/ppcdebug.h>
 #include <asm/prom.h>
+#include <asm/sections.h>
 
 void smp_local_timer_interrupt(struct pt_regs *);
 
@@ -108,7 +108,6 @@ static inline void ppc64_do_profile(struct pt_regs *regs)
 {
 	unsigned long nip;
 	extern unsigned long prof_cpu_mask;
-	extern char _stext;
 
 	profile_hook(regs);
 
@@ -127,7 +126,7 @@ static inline void ppc64_do_profile(struct pt_regs *regs)
 	if (!((1<<smp_processor_id()) & prof_cpu_mask))
 		return;
 
-	nip -= (unsigned long) &_stext;
+	nip -= (unsigned long)_stext;
 	nip >>= prof_shift;
 	/*
 	 * Don't ignore out-of-bounds EIP values silently,

arch/ppc64/kernel/traps.c

@@ -348,12 +348,12 @@ check_bug_trap(struct pt_regs *regs)
 		/* this is a WARN_ON rather than BUG/BUG_ON */
 		printk(KERN_ERR "Badness in %s at %s:%d\n",
 		       bug->function, bug->file,
-		       bug->line & ~BUG_WARNING_TRAP);
+		      (unsigned int)bug->line & ~BUG_WARNING_TRAP);
 		dump_stack();
 		return 1;
 	}
 	printk(KERN_CRIT "kernel BUG in %s at %s:%d!\n",
-	       bug->function, bug->file, bug->line);
+	       bug->function, bug->file, (unsigned int)bug->line);
 	return 0;
 }
 

arch/ppc64/mm/init.c

@@ -57,8 +57,8 @@
 #include <asm/processor.h>
 #include <asm/mmzone.h>
 #include <asm/cputable.h>
-
 #include <asm/ppcdebug.h>
+#include <asm/sections.h>
 
 #ifdef CONFIG_PPC_ISERIES
 #include <asm/iSeries/iSeries_dma.h>
@@ -69,9 +69,6 @@ int mem_init_done;
 unsigned long ioremap_bot = IMALLOC_BASE;
 
 extern pgd_t swapper_pg_dir[];
-extern char __init_begin, __init_end;
-extern char _start[], _end[];
-extern char _stext[], etext[];
 extern struct task_struct *current_set[NR_CPUS];
 
 extern pgd_t ioremap_dir[];
@@ -384,15 +381,15 @@ void free_initmem(void)
 {
 	unsigned long addr;
 
-	addr = (unsigned long)(&__init_begin);
-	for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
+	addr = (unsigned long)__init_begin;
+	for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(addr));
 		set_page_count(virt_to_page(addr), 1);
 		free_page(addr);
 		totalram_pages++;
 	}
 	printk ("Freeing unused kernel memory: %luk freed\n",
-		(&__init_end - &__init_begin) >> 10);
+		((unsigned long)__init_end - (unsigned long)__init_begin) >> 10);
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -589,11 +586,11 @@ void __init mem_init(void)
 	     addr += PAGE_SIZE) {
 		if (!PageReserved(virt_to_page(addr)))
 			continue;
-		if (addr < (ulong) etext)
+		if (addr < (unsigned long)_etext)
 			codepages++;
 
-		else if (addr >= (unsigned long)&__init_begin
-			 && addr < (unsigned long)&__init_end)
+		else if (addr >= (unsigned long)__init_begin
+			 && addr < (unsigned long)__init_end)
 			initpages++;
 		else if (addr < klimit)
 			datapages++;

include/asm-ppc64/sections.h

+#ifndef _PPC64_SECTIONS_H
+#define _PPC64_SECTIONS_H
+
+extern char _end[];
+
+#include <asm-generic/sections.h>
+
+#endif