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Subject[PATCH] s390 (7/13): gcc 3.3 adaptions.
Date
updates for compiling with gcc-3.3pre

- add -finline-limit=10000 to make it build
- drop .eh_frame elf section from vmlinux
- fix common warnings inn asm headers
- make dasd compile
- Don't warn about signed/unsigned comparisions
- fix inline syscall macros

diff -urN linux-2.5.62/arch/s390/Makefile linux-2.5.62-s390/arch/s390/Makefile
--- linux-2.5.62/arch/s390/Makefile Mon Feb 17 23:56:00 2003
+++ linux-2.5.62-s390/arch/s390/Makefile Mon Feb 24 18:24:21 2003
@@ -18,7 +18,7 @@
LDFLAGS_vmlinux := -e start
LDFLAGS_BLOB := --format binary --oformat elf32-s390

-CFLAGS += -pipe -fno-strength-reduce
+CFLAGS += -pipe -fno-strength-reduce -finline-limit=10000 -Wno-sign-compare

head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o

diff -urN linux-2.5.62/arch/s390/vmlinux.lds.S linux-2.5.62-s390/arch/s390/vmlinux.lds.S
--- linux-2.5.62/arch/s390/vmlinux.lds.S Mon Feb 17 23:56:11 2003
+++ linux-2.5.62-s390/arch/s390/vmlinux.lds.S Mon Feb 24 18:24:21 2003
@@ -64,6 +64,9 @@
__setup_start = .;
.init.setup : { *(.init.setup) }
__setup_end = .;
+ __start___param = .;
+ __param : { *(__param) }
+ __stop___param = .;
__initcall_start = .;
.initcall.init : {
*(.initcall1.init)
@@ -98,6 +101,7 @@
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
+ *(.eh_frame)
}

/* Stabs debugging sections. */
diff -urN linux-2.5.62/arch/s390x/Makefile linux-2.5.62-s390/arch/s390x/Makefile
--- linux-2.5.62/arch/s390x/Makefile Mon Feb 17 23:56:15 2003
+++ linux-2.5.62-s390/arch/s390x/Makefile Mon Feb 24 18:24:21 2003
@@ -19,7 +19,7 @@
MODFLAGS += -fpic -D__PIC__
LDFLAGS_BLOB := --format binary --oformat elf64-s390

-CFLAGS += -pipe -fno-strength-reduce
+CFLAGS += -pipe -fno-strength-reduce -finline-limit=10000 -Wno-sign-compare

head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o

diff -urN linux-2.5.62/arch/s390x/vmlinux.lds.S linux-2.5.62-s390/arch/s390x/vmlinux.lds.S
--- linux-2.5.62/arch/s390x/vmlinux.lds.S Mon Feb 17 23:56:10 2003
+++ linux-2.5.62-s390/arch/s390x/vmlinux.lds.S Mon Feb 24 18:24:21 2003
@@ -64,6 +64,9 @@
__setup_start = .;
.init.setup : { *(.init.setup) }
__setup_end = .;
+ __start___param = .;
+ __param : { *(__param) }
+ __stop___param = .;
__initcall_start = .;
.initcall.init : {
*(.initcall1.init)
@@ -98,6 +101,7 @@
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
+ *(.eh_frame)
}

/* Stabs debugging sections. */
diff -urN linux-2.5.62/drivers/s390/block/dasd_eckd.h linux-2.5.62-s390/drivers/s390/block/dasd_eckd.h
--- linux-2.5.62/drivers/s390/block/dasd_eckd.h Mon Feb 17 23:56:13 2003
+++ linux-2.5.62-s390/drivers/s390/block/dasd_eckd.h Mon Feb 24 18:24:21 2003
@@ -5,7 +5,7 @@
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
*
- * $Revision: 1.5 $
+ * $Revision: 1.6 $
*
* History of changes
*
@@ -109,7 +109,7 @@
unsigned char cfw:1; /* Cache fast write */
unsigned char dfw:1; /* DASD fast write */
} __attribute__ ((packed)) attributes;
- __u16 short blk_size; /* Blocksize */
+ __u16 blk_size; /* Blocksize */
__u16 fast_write_id;
__u8 ga_additional; /* Global Attributes Additional */
__u8 ga_extended; /* Global Attributes Extended */
diff -urN linux-2.5.62/include/asm-s390/bitops.h linux-2.5.62-s390/include/asm-s390/bitops.h
--- linux-2.5.62/include/asm-s390/bitops.h Mon Feb 17 23:55:50 2003
+++ linux-2.5.62-s390/include/asm-s390/bitops.h Mon Feb 24 18:24:21 2003
@@ -469,7 +469,7 @@
* This routine doesn't need to be atomic.
*/

-static inline int __test_bit(int nr, volatile unsigned long *ptr)
+static inline int __test_bit(int nr, const volatile unsigned long *ptr)
{
unsigned long addr;
unsigned char ch;
@@ -480,7 +480,7 @@
}

static inline int
-__constant_test_bit(int nr, volatile unsigned long * addr) {
+__constant_test_bit(int nr, const volatile unsigned long * addr) {
return (((volatile char *) addr)[(nr>>3)^3] & (1<<(nr&7))) != 0;
}

diff -urN linux-2.5.62/include/asm-s390/idals.h linux-2.5.62-s390/include/asm-s390/idals.h
--- linux-2.5.62/include/asm-s390/idals.h Mon Feb 17 23:55:52 2003
+++ linux-2.5.62-s390/include/asm-s390/idals.h Mon Feb 24 18:24:21 2003
@@ -191,10 +191,10 @@
__idal_buffer_is_needed(struct idal_buffer *ib)
{
#ifdef CONFIG_ARCH_S390X
- return ib->size > (4096 << ib->page_order) ||
+ return ib->size > (4096ul << ib->page_order) ||
idal_is_needed(ib->data[0], ib->size);
#else
- return ib->size > (4096 << ib->page_order);
+ return ib->size > (4096ul << ib->page_order);
#endif
}

diff -urN linux-2.5.62/include/asm-s390/unistd.h linux-2.5.62-s390/include/asm-s390/unistd.h
--- linux-2.5.62/include/asm-s390/unistd.h Mon Feb 24 18:18:38 2003
+++ linux-2.5.62-s390/include/asm-s390/unistd.h Mon Feb 24 18:24:21 2003
@@ -266,27 +266,29 @@

#define _syscall0(type,name) \
type name(void) { \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) { \
register type1 __arg1 asm("2") = arg1; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -294,15 +296,16 @@
type name(type1 arg1, type2 arg2) { \
register type1 __arg1 asm("2") = arg1; \
register type2 __arg2 asm("3") = arg2; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -311,16 +314,17 @@
register type1 __arg1 asm("2") = arg1; \
register type2 __arg2 asm("3") = arg2; \
register type3 __arg3 asm("4") = arg3; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
"d" (__arg3) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -331,17 +335,18 @@
register type2 __arg2 asm("3") = arg2; \
register type3 __arg3 asm("4") = arg3; \
register type4 __arg4 asm("5") = arg4; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
"d" (__arg3), \
"d" (__arg4) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -354,11 +359,11 @@
register type3 __arg3 asm("4") = arg3; \
register type4 __arg4 asm("5") = arg4; \
register type5 __arg5 asm("6") = arg5; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
@@ -366,6 +371,7 @@
"d" (__arg4), \
"d" (__arg5) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

diff -urN linux-2.5.62/include/asm-s390x/bitops.h linux-2.5.62-s390/include/asm-s390x/bitops.h
--- linux-2.5.62/include/asm-s390x/bitops.h Mon Feb 17 23:56:59 2003
+++ linux-2.5.62-s390/include/asm-s390x/bitops.h Mon Feb 24 18:24:21 2003
@@ -473,7 +473,7 @@
* This routine doesn't need to be atomic.
*/

-static inline int __test_bit(unsigned long nr, volatile unsigned long *ptr)
+static inline int __test_bit(unsigned long nr, const volatile unsigned long *ptr)
{
unsigned long addr;
unsigned char ch;
@@ -484,7 +484,7 @@
}

static inline int
-__constant_test_bit(unsigned long nr, volatile unsigned long *addr) {
+__constant_test_bit(unsigned long nr, const volatile unsigned long *addr) {
return (((volatile char *) addr)[(nr>>3)^7] & (1<<(nr&7))) != 0;
}

diff -urN linux-2.5.62/include/asm-s390x/idals.h linux-2.5.62-s390/include/asm-s390x/idals.h
--- linux-2.5.62/include/asm-s390x/idals.h Mon Feb 17 23:56:22 2003
+++ linux-2.5.62-s390/include/asm-s390x/idals.h Mon Feb 24 18:24:21 2003
@@ -191,10 +191,10 @@
__idal_buffer_is_needed(struct idal_buffer *ib)
{
#ifdef CONFIG_ARCH_S390X
- return ib->size > (4096 << ib->page_order) ||
+ return ib->size > (4096ul << ib->page_order) ||
idal_is_needed(ib->data[0], ib->size);
#else
- return ib->size > (4096 << ib->page_order);
+ return ib->size > (4096ul << ib->page_order);
#endif
}

diff -urN linux-2.5.62/include/asm-s390x/unistd.h linux-2.5.62-s390/include/asm-s390x/unistd.h
--- linux-2.5.62/include/asm-s390x/unistd.h Mon Feb 24 18:18:38 2003
+++ linux-2.5.62-s390/include/asm-s390x/unistd.h Mon Feb 24 18:24:21 2003
@@ -233,27 +233,29 @@

#define _syscall0(type,name) \
type name(void) { \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) { \
register type1 __arg1 asm("2") = arg1; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -261,15 +263,16 @@
type name(type1 arg1, type2 arg2) { \
register type1 __arg1 asm("2") = arg1; \
register type2 __arg2 asm("3") = arg2; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -278,16 +281,17 @@
register type1 __arg1 asm("2") = arg1; \
register type2 __arg2 asm("3") = arg2; \
register type3 __arg3 asm("4") = arg3; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
"d" (__arg3) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -298,17 +302,18 @@
register type2 __arg2 asm("3") = arg2; \
register type3 __arg3 asm("4") = arg3; \
register type4 __arg4 asm("5") = arg4; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
"d" (__arg3), \
"d" (__arg4) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

@@ -321,11 +326,11 @@
register type3 __arg3 asm("4") = arg3; \
register type4 __arg4 asm("5") = arg4; \
register type5 __arg5 asm("6") = arg5; \
- register long __res asm("2"); \
+ register long __svcres asm("2"); \
+ long __res; \
__asm__ __volatile__ ( \
" svc %b1\n" \
- " lgr %0,2" \
- : "=d" (__res) \
+ : "=d" (__svcres) \
: "i" (__NR_##name), \
"0" (__arg1), \
"d" (__arg2), \
@@ -333,6 +338,7 @@
"d" (__arg4), \
"d" (__arg5) \
: _svc_clobber ); \
+ __res = __svcres; \
__syscall_return(type,__res); \
}

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