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-rw-r--r--arch/s390/kernel/vdso64/Makefile3
-rw-r--r--arch/s390/kernel/vdso64/clock_getres.S5
-rw-r--r--arch/s390/kernel/vdso64/clock_gettime.S21
-rw-r--r--arch/s390/kernel/vdso64/getcpu.S5
-rw-r--r--arch/s390/kernel/vdso64/gettimeofday.S9
5 files changed, 35 insertions, 8 deletions
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index f81ae7998883..15b1ceafc4c1 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -10,6 +10,9 @@ obj-vdso64 = gettimeofday.o clock_getres.o clock_gettime.o note.o getcpu.o
targets := $(obj-vdso64) vdso64.so vdso64.so.dbg
obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
+KBUILD_AFLAGS += -DBUILD_VDSO
+KBUILD_CFLAGS += -DBUILD_VDSO
+
KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS))
KBUILD_AFLAGS_64 += -m64 -s
diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S
index faf5213b15df..081435398e0a 100644
--- a/arch/s390/kernel/vdso64/clock_getres.S
+++ b/arch/s390/kernel/vdso64/clock_getres.S
@@ -9,13 +9,14 @@
#include <asm/vdso.h>
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
+#include <asm/dwarf.h>
.text
.align 4
.globl __kernel_clock_getres
.type __kernel_clock_getres,@function
__kernel_clock_getres:
- .cfi_startproc
+ CFI_STARTPROC
larl %r1,4f
cghi %r2,__CLOCK_REALTIME_COARSE
je 0f
@@ -43,7 +44,7 @@ __kernel_clock_getres:
2: lghi %r1,__NR_clock_getres /* fallback to svc */
svc 0
br %r14
+ CFI_ENDPROC
3: .quad __CLOCK_REALTIME_RES
4: .quad __CLOCK_COARSE_RES
- .cfi_endproc
.size __kernel_clock_getres,.-__kernel_clock_getres
diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S
index 6046b3bfca46..fac3ab5ec83a 100644
--- a/arch/s390/kernel/vdso64/clock_gettime.S
+++ b/arch/s390/kernel/vdso64/clock_gettime.S
@@ -9,14 +9,17 @@
#include <asm/vdso.h>
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
+#include <asm/dwarf.h>
.text
.align 4
.globl __kernel_clock_gettime
.type __kernel_clock_gettime,@function
__kernel_clock_gettime:
- .cfi_startproc
+ CFI_STARTPROC
aghi %r15,-16
+ CFI_DEF_CFA_OFFSET 176
+ CFI_VAL_OFFSET 15, -160
larl %r5,_vdso_data
cghi %r2,__CLOCK_REALTIME_COARSE
je 4f
@@ -53,9 +56,13 @@ __kernel_clock_gettime:
stg %r1,8(%r3) /* store tp->tv_nsec */
lghi %r2,0
aghi %r15,16
+ CFI_DEF_CFA_OFFSET 160
+ CFI_RESTORE 15
br %r14
/* CLOCK_MONOTONIC_COARSE */
+ CFI_DEF_CFA_OFFSET 176
+ CFI_VAL_OFFSET 15, -160
3: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */
tmll %r4,0x0001 /* pending update ? loop */
jnz 3b
@@ -108,9 +115,13 @@ __kernel_clock_gettime:
stg %r1,8(%r3) /* store tp->tv_nsec */
lghi %r2,0
aghi %r15,16
+ CFI_DEF_CFA_OFFSET 160
+ CFI_RESTORE 15
br %r14
/* CPUCLOCK_VIRT for this thread */
+ CFI_DEF_CFA_OFFSET 176
+ CFI_VAL_OFFSET 15, -160
9: lghi %r4,0
icm %r0,15,__VDSO_ECTG_OK(%r5)
jz 12f
@@ -131,15 +142,21 @@ __kernel_clock_gettime:
stg %r4,8(%r3)
lghi %r2,0
aghi %r15,16
+ CFI_DEF_CFA_OFFSET 160
+ CFI_RESTORE 15
br %r14
/* Fallback to system call */
+ CFI_DEF_CFA_OFFSET 176
+ CFI_VAL_OFFSET 15, -160
12: lghi %r1,__NR_clock_gettime
svc 0
aghi %r15,16
+ CFI_DEF_CFA_OFFSET 160
+ CFI_RESTORE 15
br %r14
+ CFI_ENDPROC
13: .quad 1000000000
14: .quad 19342813113834067
- .cfi_endproc
.size __kernel_clock_gettime,.-__kernel_clock_gettime
diff --git a/arch/s390/kernel/vdso64/getcpu.S b/arch/s390/kernel/vdso64/getcpu.S
index e9c34364d97b..2446e9dac8ab 100644
--- a/arch/s390/kernel/vdso64/getcpu.S
+++ b/arch/s390/kernel/vdso64/getcpu.S
@@ -8,13 +8,14 @@
*/
#include <asm/vdso.h>
#include <asm/asm-offsets.h>
+#include <asm/dwarf.h>
.text
.align 4
.globl __kernel_getcpu
.type __kernel_getcpu,@function
__kernel_getcpu:
- .cfi_startproc
+ CFI_STARTPROC
la %r4,0
sacf 256
l %r5,__VDSO_CPU_NR(%r4)
@@ -28,5 +29,5 @@ __kernel_getcpu:
st %r4,0(%r3)
3: lghi %r2,0
br %r14
- .cfi_endproc
+ CFI_ENDPROC
.size __kernel_getcpu,.-__kernel_getcpu
diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S
index cc9dbc27da6f..6e1f0b421695 100644
--- a/arch/s390/kernel/vdso64/gettimeofday.S
+++ b/arch/s390/kernel/vdso64/gettimeofday.S
@@ -9,14 +9,17 @@
#include <asm/vdso.h>
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
+#include <asm/dwarf.h>
.text
.align 4
.globl __kernel_gettimeofday
.type __kernel_gettimeofday,@function
__kernel_gettimeofday:
- .cfi_startproc
+ CFI_STARTPROC
aghi %r15,-16
+ CFI_ADJUST_CFA_OFFSET 16
+ CFI_VAL_OFFSET 15, -160
larl %r5,_vdso_data
0: ltgr %r3,%r3 /* check if tz is NULL */
je 1f
@@ -58,8 +61,10 @@ __kernel_gettimeofday:
stg %r0,8(%r2) /* store tv->tv_usec */
4: lghi %r2,0
aghi %r15,16
+ CFI_ADJUST_CFA_OFFSET -16
+ CFI_RESTORE 15
br %r14
+ CFI_ENDPROC
5: .quad 1000000000
.long 274877907
- .cfi_endproc
.size __kernel_gettimeofday,.-__kernel_gettimeofday
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