diff options
| -rw-r--r-- | arch/sparc/include/asm/thread_info_64.h | 4 | ||||
| -rw-r--r-- | arch/sparc/vdso/Makefile | 3 | ||||
| -rw-r--r-- | arch/sparc/vdso/checkundef.sh | 10 |
3 files changed, 16 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 7fb676360928..20255471e653 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -121,8 +121,12 @@ struct thread_info { } /* how to get the thread information struct from C */ +#ifndef BUILD_VDSO register struct thread_info *current_thread_info_reg asm("g6"); #define current_thread_info() (current_thread_info_reg) +#else +extern struct thread_info *current_thread_info(void); +#endif /* thread information allocation */ #if PAGE_SHIFT == 13 diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile index a9e3a4f633a7..a6e18ca4cc18 100644 --- a/arch/sparc/vdso/Makefile +++ b/arch/sparc/vdso/Makefile @@ -111,7 +111,8 @@ $(obj)/vdso32.so.dbg: FORCE \ quiet_cmd_vdso = VDSO $@ cmd_vdso = $(LD) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ - -T $(filter %.lds,$^) $(filter %.o,$^) + -T $(filter %.lds,$^) $(filter %.o,$^) && \ + sh $(srctree)/$(src)/checkundef.sh '$(OBJDUMP)' '$@' VDSO_LDFLAGS = -shared $(call ld-option, --hash-style=both) \ $(call ld-option, --build-id) -Bsymbolic diff --git a/arch/sparc/vdso/checkundef.sh b/arch/sparc/vdso/checkundef.sh new file mode 100644 index 000000000000..2d85876ffc32 --- /dev/null +++ b/arch/sparc/vdso/checkundef.sh @@ -0,0 +1,10 @@ +#!/bin/sh +objdump="$1" +file="$2" +$objdump -t "$file" | grep '*UUND*' | grep -v '#scratch' > /dev/null 2>&1 +if [ $? -eq 1 ]; then + exit 0 +else + echo "$file: undefined symbols found" >&2 + exit 1 +fi |