powerpc: Create DOTSYM to wrap dot symbol usage

There are a few places we have to use dot symbols with the
current ABI - the syscall table and the kvm hcall table.

Wrap both of these with a new macro called DOTSYM so it will
be easy to transition away from dot symbols in a future ABI.

Signed-off-by: Anton Blanchard <anton@samba.org>

diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 35b23a6..61992d8 100644 (file)
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -223,6 +223,8 @@ name: \
        .type GLUE(.,name),@function; \
 GLUE(.,name):
 
+#define DOTSYM(a)      GLUE(.,a)
+
 #else /* 32-bit */
 
 #define _ENTRY(n)      \

diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 3ddf702..ac062f5 100644 (file)
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -62,7 +62,7 @@ COMPAT_SYS_SPU(fcntl)
 SYSCALL(ni_syscall)
 SYSCALL_SPU(setpgid)
 SYSCALL(ni_syscall)
-SYSX(sys_ni_syscall,sys_olduname, sys_olduname)
+SYSX(sys_ni_syscall,sys_olduname,sys_olduname)
 SYSCALL_SPU(umask)
 SYSCALL_SPU(chroot)
 COMPAT_SYS(ustat)
@@ -258,7 +258,7 @@ SYSCALL_SPU(tgkill)
 COMPAT_SYS_SPU(utimes)
 COMPAT_SYS_SPU(statfs64)
 COMPAT_SYS_SPU(fstatfs64)
-SYSX(sys_ni_syscall, ppc_fadvise64_64, ppc_fadvise64_64)
+SYSX(sys_ni_syscall,ppc_fadvise64_64,ppc_fadvise64_64)
 PPC_SYS_SPU(rtas)
 OLDSYS(debug_setcontext)
 SYSCALL(ni_syscall)
@@ -295,7 +295,7 @@ SYSCALL_SPU(mkdirat)
 SYSCALL_SPU(mknodat)
 SYSCALL_SPU(fchownat)
 COMPAT_SYS_SPU(futimesat)
-SYSX_SPU(sys_newfstatat, sys_fstatat64, sys_fstatat64)
+SYSX_SPU(sys_newfstatat,sys_fstatat64,sys_fstatat64)
 SYSCALL_SPU(unlinkat)
 SYSCALL_SPU(renameat)
 SYSCALL_SPU(linkat)

diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index 75822f9..895c50c 100644 (file)
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -17,12 +17,12 @@
 #include <asm/ppc_asm.h>
 
 #ifdef CONFIG_PPC64
-#define SYSCALL(func)          .llong  .sys_##func,.sys_##func
-#define COMPAT_SYS(func)       .llong  .sys_##func,.compat_sys_##func
-#define PPC_SYS(func)          .llong  .ppc_##func,.ppc_##func
-#define OLDSYS(func)           .llong  .sys_ni_syscall,.sys_ni_syscall
-#define SYS32ONLY(func)                .llong  .sys_ni_syscall,.compat_sys_##func
-#define SYSX(f, f3264, f32)    .llong  .f,.f3264
+#define SYSCALL(func)          .llong  DOTSYM(sys_##func),DOTSYM(sys_##func)
+#define COMPAT_SYS(func)       .llong  DOTSYM(sys_##func),DOTSYM(compat_sys_##func)
+#define PPC_SYS(func)          .llong  DOTSYM(ppc_##func),DOTSYM(ppc_##func)
+#define OLDSYS(func)           .llong  DOTSYM(sys_ni_syscall),DOTSYM(sys_ni_syscall)
+#define SYS32ONLY(func)                .llong  DOTSYM(sys_ni_syscall),DOTSYM(compat_sys_##func)
+#define SYSX(f, f3264, f32)    .llong  DOTSYM(f),DOTSYM(f3264)
 #else
 #define SYSCALL(func)          .long   sys_##func
 #define COMPAT_SYS(func)       .long   sys_##func

diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 7cfabe3..e9593f5 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1795,16 +1795,16 @@ hcall_real_fallback:
        .globl  hcall_real_table
 hcall_real_table:
        .long   0               /* 0 - unused */
-       .long   .kvmppc_h_remove - hcall_real_table
-       .long   .kvmppc_h_enter - hcall_real_table
-       .long   .kvmppc_h_read - hcall_real_table
+       .long   DOTSYM(kvmppc_h_remove) - hcall_real_table
+       .long   DOTSYM(kvmppc_h_enter) - hcall_real_table
+       .long   DOTSYM(kvmppc_h_read) - hcall_real_table
        .long   0               /* 0x10 - H_CLEAR_MOD */
        .long   0               /* 0x14 - H_CLEAR_REF */
-       .long   .kvmppc_h_protect - hcall_real_table
-       .long   .kvmppc_h_get_tce - hcall_real_table
-       .long   .kvmppc_h_put_tce - hcall_real_table
+       .long   DOTSYM(kvmppc_h_protect) - hcall_real_table
+       .long   DOTSYM(kvmppc_h_get_tce) - hcall_real_table
+       .long   DOTSYM(kvmppc_h_put_tce) - hcall_real_table
        .long   0               /* 0x24 - H_SET_SPRG0 */
-       .long   .kvmppc_h_set_dabr - hcall_real_table
+       .long   DOTSYM(kvmppc_h_set_dabr) - hcall_real_table
        .long   0               /* 0x2c */
        .long   0               /* 0x30 */
        .long   0               /* 0x34 */
@@ -1820,11 +1820,11 @@ hcall_real_table:
        .long   0               /* 0x5c */
        .long   0               /* 0x60 */
 #ifdef CONFIG_KVM_XICS
-       .long   .kvmppc_rm_h_eoi - hcall_real_table
-       .long   .kvmppc_rm_h_cppr - hcall_real_table
-       .long   .kvmppc_rm_h_ipi - hcall_real_table
+       .long   DOTSYM(kvmppc_rm_h_eoi) - hcall_real_table
+       .long   DOTSYM(kvmppc_rm_h_cppr) - hcall_real_table
+       .long   DOTSYM(kvmppc_rm_h_ipi) - hcall_real_table
        .long   0               /* 0x70 - H_IPOLL */
-       .long   .kvmppc_rm_h_xirr - hcall_real_table
+       .long   DOTSYM(kvmppc_rm_h_xirr) - hcall_real_table
 #else
        .long   0               /* 0x64 - H_EOI */
        .long   0               /* 0x68 - H_CPPR */
@@ -1858,7 +1858,7 @@ hcall_real_table:
        .long   0               /* 0xd4 */
        .long   0               /* 0xd8 */
        .long   0               /* 0xdc */
-       .long   .kvmppc_h_cede - hcall_real_table
+       .long   DOTSYM(kvmppc_h_cede) - hcall_real_table
        .long   0               /* 0xe4 */
        .long   0               /* 0xe8 */
        .long   0               /* 0xec */
@@ -1875,11 +1875,11 @@ hcall_real_table:
        .long   0               /* 0x118 */
        .long   0               /* 0x11c */
        .long   0               /* 0x120 */
-       .long   .kvmppc_h_bulk_remove - hcall_real_table
+       .long   DOTSYM(kvmppc_h_bulk_remove) - hcall_real_table
        .long   0               /* 0x128 */
        .long   0               /* 0x12c */
        .long   0               /* 0x130 */
-       .long   .kvmppc_h_set_xdabr - hcall_real_table
+       .long   DOTSYM(kvmppc_h_set_xdabr) - hcall_real_table
 hcall_real_table_end:
 
 ignore_hdec: